diff options
Diffstat (limited to 'drivers/clk')
74 files changed, 2401 insertions, 492 deletions
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index 99ddc1478493..5401d4a00eba 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -1,5 +1,11 @@ # SPDX-License-Identifier: GPL-2.0 +config HAVE_CLK + bool + help + The <linux/clk.h> calls support software clock gating and + thus are a key power management tool on many systems. + config CLKDEV_LOOKUP bool select HAVE_CLK @@ -7,8 +13,18 @@ config CLKDEV_LOOKUP config HAVE_CLK_PREPARE bool -config COMMON_CLK +config HAVE_LEGACY_CLK # TODO: Remove once all legacy users are migrated bool + select HAVE_CLK + help + Select this option when the clock API in <linux/clk.h> is implemented + by platform/architecture code. This method is deprecated. Modern + code should select COMMON_CLK instead and not define a custom + 'struct clk'. + +menuconfig COMMON_CLK + bool "Common Clock Framework" + depends on !HAVE_LEGACY_CLK select HAVE_CLK_PREPARE select CLKDEV_LOOKUP select SRCU @@ -20,8 +36,7 @@ config COMMON_CLK Architectures utilizing the common struct clk should select this option. -menu "Common Clock Framework" - depends on COMMON_CLK +if COMMON_CLK config COMMON_CLK_WM831X tristate "Clock driver for WM831x/2x PMICs" @@ -362,4 +377,4 @@ source "drivers/clk/ti/Kconfig" source "drivers/clk/uniphier/Kconfig" source "drivers/clk/zynqmp/Kconfig" -endmenu +endif diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index f4169cc2fd31..a178e4b6001f 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -104,10 +104,11 @@ obj-$(CONFIG_COMMON_CLK_SAMSUNG) += samsung/ obj-$(CONFIG_CLK_SIFIVE) += sifive/ obj-$(CONFIG_ARCH_SIRF) += sirf/ obj-$(CONFIG_ARCH_SOCFPGA) += socfpga/ +obj-$(CONFIG_ARCH_AGILEX) += socfpga/ +obj-$(CONFIG_ARCH_STRATIX10) += socfpga/ obj-$(CONFIG_PLAT_SPEAR) += spear/ obj-$(CONFIG_ARCH_SPRD) += sprd/ obj-$(CONFIG_ARCH_STI) += st/ -obj-$(CONFIG_ARCH_STRATIX10) += socfpga/ obj-$(CONFIG_ARCH_SUNXI) += sunxi/ obj-$(CONFIG_SUNXI_CCU) += sunxi-ng/ obj-$(CONFIG_ARCH_TEGRA) += tegra/ diff --git a/drivers/clk/at91/at91rm9200.c b/drivers/clk/at91/at91rm9200.c index c44a431b6c97..38bdb4981315 100644 --- a/drivers/clk/at91/at91rm9200.c +++ b/drivers/clk/at91/at91rm9200.c @@ -98,9 +98,9 @@ static void __init at91rm9200_pmc_setup(struct device_node *np) if (IS_ERR(regmap)) return; - at91rm9200_pmc = pmc_data_allocate(PMC_MAIN + 1, + at91rm9200_pmc = pmc_data_allocate(PMC_PLLBCK + 1, nck(at91rm9200_systemck), - nck(at91rm9200_periphck), 0); + nck(at91rm9200_periphck), 0, 4); if (!at91rm9200_pmc) return; @@ -123,12 +123,16 @@ static void __init at91rm9200_pmc_setup(struct device_node *np) if (IS_ERR(hw)) goto err_free; + at91rm9200_pmc->chws[PMC_PLLACK] = hw; + hw = at91_clk_register_pll(regmap, "pllbck", "mainck", 1, &at91rm9200_pll_layout, &rm9200_pll_characteristics); if (IS_ERR(hw)) goto err_free; + at91rm9200_pmc->chws[PMC_PLLBCK] = hw; + parent_names[0] = slowxtal_name; parent_names[1] = "mainck"; parent_names[2] = "pllack"; @@ -159,6 +163,8 @@ static void __init at91rm9200_pmc_setup(struct device_node *np) &at91rm9200_programmable_layout); if (IS_ERR(hw)) goto err_free; + + at91rm9200_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(at91rm9200_systemck); i++) { @@ -187,7 +193,7 @@ static void __init at91rm9200_pmc_setup(struct device_node *np) return; err_free: - pmc_data_free(at91rm9200_pmc); + kfree(at91rm9200_pmc); } /* * While the TCB can be used as the clocksource, the system timer is most likely diff --git a/drivers/clk/at91/at91sam9260.c b/drivers/clk/at91/at91sam9260.c index a9d4234758d7..6d0723aa8b13 100644 --- a/drivers/clk/at91/at91sam9260.c +++ b/drivers/clk/at91/at91sam9260.c @@ -352,9 +352,10 @@ static void __init at91sam926x_pmc_setup(struct device_node *np, if (IS_ERR(regmap)) return; - at91sam9260_pmc = pmc_data_allocate(PMC_MAIN + 1, + at91sam9260_pmc = pmc_data_allocate(PMC_PLLBCK + 1, ndck(data->sck, data->num_sck), - ndck(data->pck, data->num_pck), 0); + ndck(data->pck, data->num_pck), + 0, data->num_progck); if (!at91sam9260_pmc) return; @@ -398,12 +399,16 @@ static void __init at91sam926x_pmc_setup(struct device_node *np, if (IS_ERR(hw)) goto err_free; + at91sam9260_pmc->chws[PMC_PLLACK] = hw; + hw = at91_clk_register_pll(regmap, "pllbck", "mainck", 1, data->pllb_layout, data->pllb_characteristics); if (IS_ERR(hw)) goto err_free; + at91sam9260_pmc->chws[PMC_PLLBCK] = hw; + parent_names[0] = slck_name; parent_names[1] = "mainck"; parent_names[2] = "pllack"; @@ -434,6 +439,8 @@ static void __init at91sam926x_pmc_setup(struct device_node *np, &at91rm9200_programmable_layout); if (IS_ERR(hw)) goto err_free; + + at91sam9260_pmc->pchws[i] = hw; } for (i = 0; i < data->num_sck; i++) { @@ -462,7 +469,7 @@ static void __init at91sam926x_pmc_setup(struct device_node *np, return; err_free: - pmc_data_free(at91sam9260_pmc); + kfree(at91sam9260_pmc); } static void __init at91sam9260_pmc_setup(struct device_node *np) diff --git a/drivers/clk/at91/at91sam9g45.c b/drivers/clk/at91/at91sam9g45.c index 38a7d2d2df0c..9873b583c260 100644 --- a/drivers/clk/at91/at91sam9g45.c +++ b/drivers/clk/at91/at91sam9g45.c @@ -115,9 +115,9 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np) if (IS_ERR(regmap)) return; - at91sam9g45_pmc = pmc_data_allocate(PMC_MAIN + 1, + at91sam9g45_pmc = pmc_data_allocate(PMC_PLLACK + 1, nck(at91sam9g45_systemck), - nck(at91sam9g45_periphck), 0); + nck(at91sam9g45_periphck), 0, 2); if (!at91sam9g45_pmc) return; @@ -143,6 +143,8 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np) if (IS_ERR(hw)) goto err_free; + at91sam9g45_pmc->chws[PMC_PLLACK] = hw; + hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck"); if (IS_ERR(hw)) goto err_free; @@ -182,6 +184,8 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np) &at91sam9g45_programmable_layout); if (IS_ERR(hw)) goto err_free; + + at91sam9g45_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(at91sam9g45_systemck); i++) { @@ -210,7 +214,7 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np) return; err_free: - pmc_data_free(at91sam9g45_pmc); + kfree(at91sam9g45_pmc); } /* * The TCB is used as the clocksource so its clock is needed early. This means diff --git a/drivers/clk/at91/at91sam9n12.c b/drivers/clk/at91/at91sam9n12.c index 8bb39d2ba84b..630dc5d87171 100644 --- a/drivers/clk/at91/at91sam9n12.c +++ b/drivers/clk/at91/at91sam9n12.c @@ -128,8 +128,8 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np) if (IS_ERR(regmap)) return; - at91sam9n12_pmc = pmc_data_allocate(PMC_MAIN + 1, - nck(at91sam9n12_systemck), 31, 0); + at91sam9n12_pmc = pmc_data_allocate(PMC_PLLBCK + 1, + nck(at91sam9n12_systemck), 31, 0, 2); if (!at91sam9n12_pmc) return; @@ -162,11 +162,15 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np) if (IS_ERR(hw)) goto err_free; + at91sam9n12_pmc->chws[PMC_PLLACK] = hw; + hw = at91_clk_register_pll(regmap, "pllbck", "mainck", 1, &at91rm9200_pll_layout, &pllb_characteristics); if (IS_ERR(hw)) goto err_free; + at91sam9n12_pmc->chws[PMC_PLLBCK] = hw; + parent_names[0] = slck_name; parent_names[1] = "mainck"; parent_names[2] = "plladivck"; @@ -198,6 +202,8 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np) &at91sam9x5_programmable_layout); if (IS_ERR(hw)) goto err_free; + + at91sam9n12_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(at91sam9n12_systemck); i++) { @@ -228,7 +234,7 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np) return; err_free: - pmc_data_free(at91sam9n12_pmc); + kfree(at91sam9n12_pmc); } /* * The TCB is used as the clocksource so its clock is needed early. This means diff --git a/drivers/clk/at91/at91sam9rl.c b/drivers/clk/at91/at91sam9rl.c index 77fe83a73bf4..0d1cc44b056f 100644 --- a/drivers/clk/at91/at91sam9rl.c +++ b/drivers/clk/at91/at91sam9rl.c @@ -87,9 +87,9 @@ static void __init at91sam9rl_pmc_setup(struct device_node *np) if (IS_ERR(regmap)) return; - at91sam9rl_pmc = pmc_data_allocate(PMC_MAIN + 1, + at91sam9rl_pmc = pmc_data_allocate(PMC_PLLACK + 1, nck(at91sam9rl_systemck), - nck(at91sam9rl_periphck), 0); + nck(at91sam9rl_periphck), 0, 2); if (!at91sam9rl_pmc) return; @@ -105,6 +105,8 @@ static void __init at91sam9rl_pmc_setup(struct device_node *np) if (IS_ERR(hw)) goto err_free; + at91sam9rl_pmc->chws[PMC_PLLACK] = hw; + hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck"); if (IS_ERR(hw)) goto err_free; @@ -138,6 +140,8 @@ static void __init at91sam9rl_pmc_setup(struct device_node *np) &at91rm9200_programmable_layout); if (IS_ERR(hw)) goto err_free; + + at91sam9rl_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(at91sam9rl_systemck); i++) { @@ -166,6 +170,6 @@ static void __init at91sam9rl_pmc_setup(struct device_node *np) return; err_free: - pmc_data_free(at91sam9rl_pmc); + kfree(at91sam9rl_pmc); } CLK_OF_DECLARE_DRIVER(at91sam9rl_pmc, "atmel,at91sam9rl-pmc", at91sam9rl_pmc_setup); diff --git a/drivers/clk/at91/at91sam9x5.c b/drivers/clk/at91/at91sam9x5.c index 086cf0b4955c..0ce3da080287 100644 --- a/drivers/clk/at91/at91sam9x5.c +++ b/drivers/clk/at91/at91sam9x5.c @@ -150,8 +150,8 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, if (IS_ERR(regmap)) return; - at91sam9x5_pmc = pmc_data_allocate(PMC_MAIN + 1, - nck(at91sam9x5_systemck), 31, 0); + at91sam9x5_pmc = pmc_data_allocate(PMC_PLLACK + 1, + nck(at91sam9x5_systemck), 31, 0, 2); if (!at91sam9x5_pmc) return; @@ -184,6 +184,8 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, if (IS_ERR(hw)) goto err_free; + at91sam9x5_pmc->chws[PMC_PLLACK] = hw; + hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck"); if (IS_ERR(hw)) goto err_free; @@ -227,6 +229,8 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, &at91sam9x5_programmable_layout); if (IS_ERR(hw)) goto err_free; + + at91sam9x5_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(at91sam9x5_systemck); i++) { @@ -278,7 +282,7 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, return; err_free: - pmc_data_free(at91sam9x5_pmc); + kfree(at91sam9x5_pmc); } static void __init at91sam9g15_pmc_setup(struct device_node *np) diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c index b71515acdec1..20ee9dccee78 100644 --- a/drivers/clk/at91/pmc.c +++ b/drivers/clk/at91/pmc.c @@ -67,6 +67,10 @@ struct clk_hw *of_clk_hw_pmc_get(struct of_phandle_args *clkspec, void *data) if (idx < pmc_data->ngck) return pmc_data->ghws[idx]; break; + case PMC_TYPE_PROGRAMMABLE: + if (idx < pmc_data->npck) + return pmc_data->pchws[idx]; + break; default: break; } @@ -76,48 +80,34 @@ struct clk_hw *of_clk_hw_pmc_get(struct of_phandle_args *clkspec, void *data) return ERR_PTR(-EINVAL); } -void pmc_data_free(struct pmc_data *pmc_data) -{ - kfree(pmc_data->chws); - kfree(pmc_data->shws); - kfree(pmc_data->phws); - kfree(pmc_data->ghws); -} - struct pmc_data *pmc_data_allocate(unsigned int ncore, unsigned int nsystem, - unsigned int nperiph, unsigned int ngck) + unsigned int nperiph, unsigned int ngck, + unsigned int npck) { - struct pmc_data *pmc_data = kzalloc(sizeof(*pmc_data), GFP_KERNEL); + unsigned int num_clks = ncore + nsystem + nperiph + ngck + npck; + struct pmc_data *pmc_data; + pmc_data = kzalloc(struct_size(pmc_data, hwtable, num_clks), + GFP_KERNEL); if (!pmc_data) return NULL; pmc_data->ncore = ncore; - pmc_data->chws = kcalloc(ncore, sizeof(struct clk_hw *), GFP_KERNEL); - if (!pmc_data->chws) - goto err; + pmc_data->chws = pmc_data->hwtable; pmc_data->nsystem = nsystem; - pmc_data->shws = kcalloc(nsystem, sizeof(struct clk_hw *), GFP_KERNEL); - if (!pmc_data->shws) - goto err; + pmc_data->shws = pmc_data->chws + ncore; pmc_data->nperiph = nperiph; - pmc_data->phws = kcalloc(nperiph, sizeof(struct clk_hw *), GFP_KERNEL); - if (!pmc_data->phws) - goto err; + pmc_data->phws = pmc_data->shws + nsystem; pmc_data->ngck = ngck; - pmc_data->ghws = kcalloc(ngck, sizeof(struct clk_hw *), GFP_KERNEL); - if (!pmc_data->ghws) - goto err; + pmc_data->ghws = pmc_data->phws + nperiph; - return pmc_data; - -err: - pmc_data_free(pmc_data); + pmc_data->npck = npck; + pmc_data->pchws = pmc_data->ghws + ngck; - return NULL; + return pmc_data; } #ifdef CONFIG_PM @@ -274,8 +264,11 @@ static int __init pmc_register_ops(void) struct device_node *np; np = of_find_matching_node(NULL, sama5d2_pmc_dt_ids); + if (!np) + return -ENODEV; pmcreg = device_node_to_regmap(np); + of_node_put(np); if (IS_ERR(pmcreg)) return PTR_ERR(pmcreg); diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h index 9b8db9cdcda5..df616f2937e7 100644 --- a/drivers/clk/at91/pmc.h +++ b/drivers/clk/at91/pmc.h @@ -24,6 +24,10 @@ struct pmc_data { struct clk_hw **phws; unsigned int ngck; struct clk_hw **ghws; + unsigned int npck; + struct clk_hw **pchws; + + struct clk_hw *hwtable[]; }; struct clk_range { @@ -94,8 +98,8 @@ struct clk_pcr_layout { #define ndck(a, s) (a[s - 1].id + 1) #define nck(a) (a[ARRAY_SIZE(a) - 1].id + 1) struct pmc_data *pmc_data_allocate(unsigned int ncore, unsigned int nsystem, - unsigned int nperiph, unsigned int ngck); -void pmc_data_free(struct pmc_data *pmc_data); + unsigned int nperiph, unsigned int ngck, + unsigned int npck); int of_at91_get_clk_range(struct device_node *np, const char *propname, struct clk_range *range); diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c index cc19e8fb83be..3e20aa68259f 100644 --- a/drivers/clk/at91/sam9x60.c +++ b/drivers/clk/at91/sam9x60.c @@ -182,10 +182,10 @@ static void __init sam9x60_pmc_setup(struct device_node *np) if (IS_ERR(regmap)) return; - sam9x60_pmc = pmc_data_allocate(PMC_MAIN + 1, + sam9x60_pmc = pmc_data_allocate(PMC_PLLACK + 1, nck(sam9x60_systemck), nck(sam9x60_periphck), - nck(sam9x60_gck)); + nck(sam9x60_gck), 8); if (!sam9x60_pmc) return; @@ -214,6 +214,8 @@ static void __init sam9x60_pmc_setup(struct device_node *np) if (IS_ERR(hw)) goto err_free; + sam9x60_pmc->chws[PMC_PLLACK] = hw; + hw = sam9x60_clk_register_pll(regmap, &pmc_pll_lock, "upllck", "main_osc", 1, &upll_characteristics); if (IS_ERR(hw)) @@ -255,6 +257,8 @@ static void __init sam9x60_pmc_setup(struct device_node *np) &sam9x60_programmable_layout); if (IS_ERR(hw)) goto err_free; + + sam9x60_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(sam9x60_systemck); i++) { @@ -299,7 +303,7 @@ static void __init sam9x60_pmc_setup(struct device_node *np) return; err_free: - pmc_data_free(sam9x60_pmc); + kfree(sam9x60_pmc); } /* Some clks are used for a clocksource */ CLK_OF_DECLARE(sam9x60_pmc, "microchip,sam9x60-pmc", sam9x60_pmc_setup); diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c index ff7e3f727082..d69421d71daf 100644 --- a/drivers/clk/at91/sama5d2.c +++ b/drivers/clk/at91/sama5d2.c @@ -89,6 +89,7 @@ static const struct { { .n = "i2s1_clk", .id = 55, .r = { .min = 0, .max = 83000000 }, }, { .n = "can0_clk", .id = 56, .r = { .min = 0, .max = 83000000 }, }, { .n = "can1_clk", .id = 57, .r = { .min = 0, .max = 83000000 }, }, + { .n = "ptc_clk", .id = 58, .r = { .min = 0, .max = 83000000 }, }, { .n = "classd_clk", .id = 59, .r = { .min = 0, .max = 83000000 }, }, }; @@ -166,10 +167,10 @@ static void __init sama5d2_pmc_setup(struct device_node *np) if (IS_ERR(regmap)) return; - sama5d2_pmc = pmc_data_allocate(PMC_I2S1_MUX + 1, + sama5d2_pmc = pmc_data_allocate(PMC_AUDIOPLLCK + 1, nck(sama5d2_systemck), nck(sama5d2_periph32ck), - nck(sama5d2_gck)); + nck(sama5d2_gck), 3); if (!sama5d2_pmc) return; @@ -202,6 +203,8 @@ static void __init sama5d2_pmc_setup(struct device_node *np) if (IS_ERR(hw)) goto err_free; + sama5d2_pmc->chws[PMC_PLLACK] = hw; + hw = at91_clk_register_audio_pll_frac(regmap, "audiopll_fracck", "mainck"); if (IS_ERR(hw)) @@ -217,6 +220,8 @@ static void __init sama5d2_pmc_setup(struct device_node *np) if (IS_ERR(hw)) goto err_free; + sama5d2_pmc->chws[PMC_AUDIOPLLCK] = hw; + regmap_sfr = syscon_regmap_lookup_by_compatible("atmel,sama5d2-sfr"); if (IS_ERR(regmap_sfr)) regmap_sfr = NULL; @@ -267,6 +272,8 @@ static void __init sama5d2_pmc_setup(struct device_node *np) &sama5d2_programmable_layout); if (IS_ERR(hw)) goto err_free; + + sama5d2_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(sama5d2_systemck); i++) { @@ -350,6 +357,6 @@ static void __init sama5d2_pmc_setup(struct device_node *np) return; err_free: - pmc_data_free(sama5d2_pmc); + kfree(sama5d2_pmc); } CLK_OF_DECLARE_DRIVER(sama5d2_pmc, "atmel,sama5d2-pmc", sama5d2_pmc_setup); diff --git a/drivers/clk/at91/sama5d3.c b/drivers/clk/at91/sama5d3.c index 88506f909c08..5e4e44dd4c37 100644 --- a/drivers/clk/at91/sama5d3.c +++ b/drivers/clk/at91/sama5d3.c @@ -125,9 +125,9 @@ static void __init sama5d3_pmc_setup(struct device_node *np) if (IS_ERR(regmap)) return; - sama5d3_pmc = pmc_data_allocate(PMC_MAIN + 1, + sama5d3_pmc = pmc_data_allocate(PMC_PLLACK + 1, nck(sama5d3_systemck), - nck(sama5d3_periphck), 0); + nck(sama5d3_periphck), 0, 3); if (!sama5d3_pmc) return; @@ -158,6 +158,8 @@ static void __init sama5d3_pmc_setup(struct device_node *np) if (IS_ERR(hw)) goto err_free; + sama5d3_pmc->chws[PMC_PLLACK] = hw; + hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck"); if (IS_ERR(hw)) goto err_free; @@ -201,6 +203,8 @@ static void __init sama5d3_pmc_setup(struct device_node *np) &at91sam9x5_programmable_layout); if (IS_ERR(hw)) goto err_free; + + sama5d3_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(sama5d3_systemck); i++) { @@ -231,7 +235,7 @@ static void __init sama5d3_pmc_setup(struct device_node *np) return; err_free: - pmc_data_free(sama5d3_pmc); + kfree(sama5d3_pmc); } /* * The TCB is used as the clocksource so its clock is needed early. This means diff --git a/drivers/clk/at91/sama5d4.c b/drivers/clk/at91/sama5d4.c index a6dee4a3b6e4..662ff5fa6e98 100644 --- a/drivers/clk/at91/sama5d4.c +++ b/drivers/clk/at91/sama5d4.c @@ -140,9 +140,9 @@ static void __init sama5d4_pmc_setup(struct device_node *np) if (IS_ERR(regmap)) return; - sama5d4_pmc = pmc_data_allocate(PMC_MCK2 + 1, + sama5d4_pmc = pmc_data_allocate(PMC_PLLACK + 1, nck(sama5d4_systemck), - nck(sama5d4_periph32ck), 0); + nck(sama5d4_periph32ck), 0, 3); if (!sama5d4_pmc) return; @@ -173,6 +173,8 @@ static void __init sama5d4_pmc_setup(struct device_node *np) if (IS_ERR(hw)) goto err_free; + sama5d4_pmc->chws[PMC_PLLACK] = hw; + hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck"); if (IS_ERR(hw)) goto err_free; @@ -224,6 +226,8 @@ static void __init sama5d4_pmc_setup(struct device_node *np) &at91sam9x5_programmable_layout); if (IS_ERR(hw)) goto err_free; + + sama5d4_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(sama5d4_systemck); i++) { @@ -267,6 +271,6 @@ static void __init sama5d4_pmc_setup(struct device_node *np) return; err_free: - pmc_data_free(sama5d4_pmc); + kfree(sama5d4_pmc); } CLK_OF_DECLARE_DRIVER(sama5d4_pmc, "atmel,sama5d4-pmc", sama5d4_pmc_setup); diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c index ded13ccf768e..6bb7efa12037 100644 --- a/drivers/clk/bcm/clk-bcm2835.c +++ b/drivers/clk/bcm/clk-bcm2835.c @@ -396,8 +396,8 @@ out: } static void bcm2835_debugfs_regset(struct bcm2835_cprman *cprman, u32 base, - struct debugfs_reg32 *regs, size_t nregs, - struct dentry *dentry) + const struct debugfs_reg32 *regs, + size_t nregs, struct dentry *dentry) { struct debugfs_regset32 *regset; @@ -1240,7 +1240,7 @@ static u8 bcm2835_clock_get_parent(struct clk_hw *hw) return (src & CM_SRC_MASK) >> CM_SRC_SHIFT; } -static struct debugfs_reg32 bcm2835_debugfs_clock_reg32[] = { +static const struct debugfs_reg32 bcm2835_debugfs_clock_reg32[] = { { .name = "ctl", .offset = 0, @@ -1296,8 +1296,9 @@ static const struct clk_ops bcm2835_vpu_clock_clk_ops = { }; static struct clk_hw *bcm2835_register_pll(struct bcm2835_cprman *cprman, - const struct bcm2835_pll_data *data) + const void *data) { + const struct bcm2835_pll_data *pll_data = data; struct bcm2835_pll *pll; struct clk_init_data init; int ret; @@ -1307,7 +1308,7 @@ static struct clk_hw *bcm2835_register_pll(struct bcm2835_cprman *cprman, /* All of the PLLs derive from the external oscillator. */ init.parent_names = &cprman->real_parent_names[0]; init.num_parents = 1; - init.name = data->name; + init.name = pll_data->name; init.ops = &bcm2835_pll_clk_ops; init.flags = CLK_IGNORE_UNUSED; @@ -1316,7 +1317,7 @@ static struct clk_hw *bcm2835_register_pll(struct bcm2835_cprman *cprman, return NULL; pll->cprman = cprman; - pll->data = data; + pll->data = pll_data; pll->hw.init = &init; ret = devm_clk_hw_register(cprman->dev, &pll->hw); @@ -1327,35 +1328,36 @@ static struct clk_hw *bcm2835_register_pll(struct bcm2835_cprman *cprman, static struct clk_hw * bcm2835_register_pll_divider(struct bcm2835_cprman *cprman, - const struct bcm2835_pll_divider_data *data) + const void *data) { + const struct bcm2835_pll_divider_data *divider_data = data; struct bcm2835_pll_divider *divider; struct clk_init_data init; const char *divider_name; int ret; - if (data->fixed_divider != 1) { + if (divider_data->fixed_divider != 1) { divider_name = devm_kasprintf(cprman->dev, GFP_KERNEL, - "%s_prediv", data->name); + "%s_prediv", divider_data->name); if (!divider_name) return NULL; } else { - divider_name = data->name; + divider_name = divider_data->name; } memset(&init, 0, sizeof(init)); - init.parent_names = &data->source_pll; + init.parent_names = ÷r_data->source_pll; init.num_parents = 1; init.name = divider_name; init.ops = &bcm2835_pll_divider_clk_ops; - init.flags = data->flags | CLK_IGNORE_UNUSED; + init.flags = divider_data->flags | CLK_IGNORE_UNUSED; divider = devm_kzalloc(cprman->dev, sizeof(*divider), GFP_KERNEL); if (!divider) return NULL; - divider->div.reg = cprman->regs + data->a2w_reg; + divider->div.reg = cprman->regs + divider_data->a2w_reg; divider->div.shift = A2W_PLL_DIV_SHIFT; divider->div.width = A2W_PLL_DIV_BITS; divider->div.flags = CLK_DIVIDER_MAX_AT_ZERO; @@ -1364,7 +1366,7 @@ bcm2835_register_pll_divider(struct bcm2835_cprman *cprman, divider->div.table = NULL; divider->cprman = cprman; - divider->data = data; + divider->data = divider_data; ret = devm_clk_hw_register(cprman->dev, ÷r->div.hw); if (ret) @@ -1374,20 +1376,22 @@ bcm2835_register_pll_divider(struct bcm2835_cprman *cprman, * PLLH's channels have a fixed divide by 10 afterwards, which * is what our consumers are actually using. */ - if (data->fixed_divider != 1) { - return clk_hw_register_fixed_factor(cprman->dev, data->name, + if (divider_data->fixed_divider != 1) { + return clk_hw_register_fixed_factor(cprman->dev, + divider_data->name, divider_name, CLK_SET_RATE_PARENT, 1, - data->fixed_divider); + divider_data->fixed_divider); } return ÷r->div.hw; } static struct clk_hw *bcm2835_register_clock(struct bcm2835_cprman *cprman, - const struct bcm2835_clock_data *data) + const void *data) { + const struct bcm2835_clock_data *clock_data = data; struct bcm2835_clock *clock; struct clk_init_data init; const char *parents[1 << CM_SRC_BITS]; @@ -1398,8 +1402,8 @@ static struct clk_hw *bcm2835_register_clock(struct bcm2835_cprman *cprman, * Replace our strings referencing parent clocks with the * actual clock-output-name of the parent. */ - for (i = 0; i < data->num_mux_parents; i++) { - parents[i] = data->parents[i]; + for (i = 0; i < clock_data->num_mux_parents; i++) { + parents[i] = clock_data->parents[i]; ret = match_string(cprman_parent_names, ARRAY_SIZE(cprman_parent_names), @@ -1410,18 +1414,18 @@ static struct clk_hw *bcm2835_register_clock(struct bcm2835_cprman *cprman, memset(&init, 0, sizeof(init)); init.parent_names = parents; - init.num_parents = data->num_mux_parents; - init.name = data->name; - init.flags = data->flags | CLK_IGNORE_UNUSED; + init.num_parents = clock_data->num_mux_parents; + init.name = clock_data->name; + init.flags = clock_data->flags | CLK_IGNORE_UNUSED; /* * Pass the CLK_SET_RATE_PARENT flag if we are allowed to propagate * rate changes on at least of the parents. */ - if (data->set_rate_parent) + if (clock_data->set_rate_parent) init.flags |= CLK_SET_RATE_PARENT; - if (data->is_vpu_clock) { + if (clock_data->is_vpu_clock) { init.ops = &bcm2835_vpu_clock_clk_ops; } else { init.ops = &bcm2835_clock_clk_ops; @@ -1430,7 +1434,7 @@ static struct clk_hw *bcm2835_register_clock(struct bcm2835_cprman *cprman, /* If the clock wasn't actually enabled at boot, it's not * critical. */ - if (!(cprman_read(cprman, data->ctl_reg) & CM_ENABLE)) + if (!(cprman_read(cprman, clock_data->ctl_reg) & CM_ENABLE)) init.flags &= ~CLK_IS_CRITICAL; } @@ -1439,7 +1443,7 @@ static struct clk_hw *bcm2835_register_clock(struct bcm2835_cprman *cprman, return NULL; clock->cprman = cprman; - clock->data = data; + clock->data = clock_data; clock->hw.init = &init; ret = devm_clk_hw_register(cprman->dev, &clock->hw); @@ -1448,25 +1452,27 @@ static struct clk_hw *bcm2835_register_clock(struct bcm2835_cprman *cprman, return &clock->hw; } -static struct clk *bcm2835_register_gate(struct bcm2835_cprman *cprman, - const struct bcm2835_gate_data *data) +static struct clk_hw *bcm2835_register_gate(struct bcm2835_cprman *cprman, + const void *data) { - return clk_register_gate(cprman->dev, data->name, data->parent, - CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE, - cprman->regs + data->ctl_reg, - CM_GATE_BIT, 0, &cprman->regs_lock); + const struct bcm2835_gate_data *gate_data = data; + + return clk_hw_register_gate(cprman->dev, gate_data->name, + gate_data->parent, + CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE, + cprman->regs + gate_data->ctl_reg, + CM_GATE_BIT, 0, &cprman->regs_lock); } -typedef struct clk_hw *(*bcm2835_clk_register)(struct bcm2835_cprman *cprman, - const void *data); struct bcm2835_clk_desc { - bcm2835_clk_register clk_register; + struct clk_hw *(*clk_register)(struct bcm2835_cprman *cprman, + const void *data); unsigned int supported; const void *data; }; /* assignment helper macros for different clock types */ -#define _REGISTER(f, s, ...) { .clk_register = (bcm2835_clk_register)f, \ +#define _REGISTER(f, s, ...) { .clk_register = f, \ .supported = s, \ .data = __VA_ARGS__ } #define REGISTER_PLL(s, ...) _REGISTER(&bcm2835_register_pll, \ diff --git a/drivers/clk/clk-ast2600.c b/drivers/clk/clk-ast2600.c index 392d01705b97..99afc949925f 100644 --- a/drivers/clk/clk-ast2600.c +++ b/drivers/clk/clk-ast2600.c @@ -642,14 +642,22 @@ static const u32 ast2600_a0_axi_ahb_div_table[] = { 2, 2, 3, 5, }; -static const u32 ast2600_a1_axi_ahb_div_table[] = { - 4, 6, 2, 4, +static const u32 ast2600_a1_axi_ahb_div0_tbl[] = { + 3, 2, 3, 4, +}; + +static const u32 ast2600_a1_axi_ahb_div1_tbl[] = { + 3, 4, 6, 8, +}; + +static const u32 ast2600_a1_axi_ahb200_tbl[] = { + 3, 4, 3, 4, 2, 2, 2, 2, }; static void __init aspeed_g6_cc(struct regmap *map) { struct clk_hw *hw; - u32 val, div, chip_id, axi_div, ahb_div; + u32 val, div, divbits, chip_id, axi_div, ahb_div; clk_hw_register_fixed_rate(NULL, "clkin", NULL, 0, 25000000); @@ -679,11 +687,22 @@ static void __init aspeed_g6_cc(struct regmap *map) else axi_div = 2; + divbits = (val >> 11) & 0x3; regmap_read(map, ASPEED_G6_SILICON_REV, &chip_id); - if (chip_id & BIT(16)) - ahb_div = ast2600_a1_axi_ahb_div_table[(val >> 11) & 0x3]; - else + if (chip_id & BIT(16)) { + if (!divbits) { + ahb_div = ast2600_a1_axi_ahb200_tbl[(val >> 8) & 0x3]; + if (val & BIT(16)) + ahb_div *= 2; + } else { + if (val & BIT(16)) + ahb_div = ast2600_a1_axi_ahb_div1_tbl[divbits]; + else + ahb_div = ast2600_a1_axi_ahb_div0_tbl[divbits]; + } + } else { ahb_div = ast2600_a0_axi_ahb_div_table[(val >> 11) & 0x3]; + } hw = clk_hw_register_fixed_factor(NULL, "ahb", "hpll", 0, 1, axi_div * ahb_div); aspeed_g6_clk_data->hws[ASPEED_CLK_AHB] = hw; diff --git a/drivers/clk/imx/Kconfig b/drivers/clk/imx/Kconfig index 01eadee88d66..db0253fa3d64 100644 --- a/drivers/clk/imx/Kconfig +++ b/drivers/clk/imx/Kconfig @@ -10,25 +10,25 @@ config MXC_CLK_SCU config CLK_IMX8MM bool "IMX8MM CCM Clock Driver" - depends on ARCH_MXC && ARM64 + depends on ARCH_MXC help Build the driver for i.MX8MM CCM Clock Driver config CLK_IMX8MN bool "IMX8MN CCM Clock Driver" - depends on ARCH_MXC && ARM64 + depends on ARCH_MXC help Build the driver for i.MX8MN CCM Clock Driver config CLK_IMX8MP bool "IMX8MP CCM Clock Driver" - depends on ARCH_MXC && ARM64 + depends on ARCH_MXC help Build the driver for i.MX8MP CCM Clock Driver config CLK_IMX8MQ bool "IMX8MQ CCM Clock Driver" - depends on ARCH_MXC && ARM64 + depends on ARCH_MXC help Build the driver for i.MX8MQ CCM Clock Driver diff --git a/drivers/clk/imx/clk-composite-8m.c b/drivers/clk/imx/clk-composite-8m.c index 99773519b5a5..d2b5af826f2c 100644 --- a/drivers/clk/imx/clk-composite-8m.c +++ b/drivers/clk/imx/clk-composite-8m.c @@ -124,6 +124,52 @@ static const struct clk_ops imx8m_clk_composite_divider_ops = { .set_rate = imx8m_clk_composite_divider_set_rate, }; +static u8 imx8m_clk_composite_mux_get_parent(struct clk_hw *hw) +{ + return clk_mux_ops.get_parent(hw); +} + +static int imx8m_clk_composite_mux_set_parent(struct clk_hw *hw, u8 index) +{ + struct clk_mux *mux = to_clk_mux(hw); + u32 val = clk_mux_index_to_val(mux->table, mux->flags, index); + unsigned long flags = 0; + u32 reg; + + if (mux->lock) + spin_lock_irqsave(mux->lock, flags); + + reg = readl(mux->reg); + reg &= ~(mux->mask << mux->shift); + val = val << mux->shift; + reg |= val; + /* + * write twice to make sure non-target interface + * SEL_A/B point the same clk input. + */ + writel(reg, mux->reg); + writel(reg, mux->reg); + + if (mux->lock) + spin_unlock_irqrestore(mux->lock, flags); + + return 0; +} + +static int +imx8m_clk_composite_mux_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + return clk_mux_ops.determine_rate(hw, req); +} + + +static const struct clk_ops imx8m_clk_composite_mux_ops = { + .get_parent = imx8m_clk_composite_mux_get_parent, + .set_parent = imx8m_clk_composite_mux_set_parent, + .determine_rate = imx8m_clk_composite_mux_determine_rate, +}; + struct clk_hw *imx8m_clk_hw_composite_flags(const char *name, const char * const *parent_names, int num_parents, void __iomem *reg, @@ -136,6 +182,7 @@ struct clk_hw *imx8m_clk_hw_composite_flags(const char *name, struct clk_gate *gate = NULL; struct clk_mux *mux = NULL; const struct clk_ops *divider_ops; + const struct clk_ops *mux_ops; mux = kzalloc(sizeof(*mux), GFP_KERNEL); if (!mux) @@ -157,10 +204,17 @@ struct clk_hw *imx8m_clk_hw_composite_flags(const char *name, div->shift = PCG_DIV_SHIFT; div->width = PCG_CORE_DIV_WIDTH; divider_ops = &clk_divider_ops; + mux_ops = &imx8m_clk_composite_mux_ops; + } else if (composite_flags & IMX_COMPOSITE_BUS) { + div->shift = PCG_PREDIV_SHIFT; + div->width = PCG_PREDIV_WIDTH; + divider_ops = &imx8m_clk_composite_divider_ops; + mux_ops = &imx8m_clk_composite_mux_ops; } else { div->shift = PCG_PREDIV_SHIFT; div->width = PCG_PREDIV_WIDTH; divider_ops = &imx8m_clk_composite_divider_ops; + mux_ops = &clk_mux_ops; } div->lock = &imx_ccm_lock; @@ -176,7 +230,7 @@ struct clk_hw *imx8m_clk_hw_composite_flags(const char *name, gate->lock = &imx_ccm_lock; hw = clk_hw_register_composite(NULL, name, parent_names, num_parents, - mux_hw, &clk_mux_ops, div_hw, + mux_hw, mux_ops, div_hw, divider_ops, gate_hw, &clk_gate_ops, flags); if (IS_ERR(hw)) goto fail; diff --git a/drivers/clk/imx/clk-gate2.c b/drivers/clk/imx/clk-gate2.c index ce0060e8873e..b87ab3c3ba1e 100644 --- a/drivers/clk/imx/clk-gate2.c +++ b/drivers/clk/imx/clk-gate2.c @@ -41,21 +41,26 @@ static int clk_gate2_enable(struct clk_hw *hw) struct clk_gate2 *gate = to_clk_gate2(hw); u32 reg; unsigned long flags; + int ret = 0; spin_lock_irqsave(gate->lock, flags); if (gate->share_count && (*gate->share_count)++ > 0) goto out; - reg = readl(gate->reg); - reg &= ~(3 << gate->bit_idx); - reg |= gate->cgr_val << gate->bit_idx; - writel(reg, gate->reg); + if (gate->flags & IMX_CLK_GATE2_SINGLE_BIT) { + ret = clk_gate_ops.enable(hw); + } else { + reg = readl(gate->reg); + reg &= ~(3 << gate->bit_idx); + reg |= gate->cgr_val << gate->bit_idx; + writel(reg, gate->reg); + } out: spin_unlock_irqrestore(gate->lock, flags); - return 0; + return ret; } static void clk_gate2_disable(struct clk_hw *hw) @@ -73,9 +78,13 @@ static void clk_gate2_disable(struct clk_hw *hw) goto out; } - reg = readl(gate->reg); - reg &= ~(3 << gate->bit_idx); - writel(reg, gate->reg); + if (gate->flags & IMX_CLK_GATE2_SINGLE_BIT) { + clk_gate_ops.disable(hw); + } else { + reg = readl(gate->reg); + reg &= ~(3 << gate->bit_idx); + writel(reg, gate->reg); + } out: spin_unlock_irqrestore(gate->lock, flags); @@ -95,6 +104,9 @@ static int clk_gate2_is_enabled(struct clk_hw *hw) { struct clk_gate2 *gate = to_clk_gate2(hw); + if (gate->flags & IMX_CLK_GATE2_SINGLE_BIT) + return clk_gate_ops.is_enabled(hw); + return clk_gate2_reg_is_enabled(gate->reg, gate->bit_idx); } @@ -104,6 +116,9 @@ static void clk_gate2_disable_unused(struct clk_hw *hw) unsigned long flags; u32 reg; + if (gate->flags & IMX_CLK_GATE2_SINGLE_BIT) + return; + spin_lock_irqsave(gate->lock, flags); if (!gate->share_count || *gate->share_count == 0) { diff --git a/drivers/clk/imx/clk-imx6ul.c b/drivers/clk/imx/clk-imx6ul.c index dafc8806b03e..5dbb6a937732 100644 --- a/drivers/clk/imx/clk-imx6ul.c +++ b/drivers/clk/imx/clk-imx6ul.c @@ -503,7 +503,7 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) clk_prepare_enable(hws[IMX6UL_CLK_USBPHY2_GATE]->clk); } - clk_set_parent(hws[IMX6UL_CLK_CAN_SEL]->clk, hws[IMX6UL_CLK_PLL3_60M]->clk); + clk_set_parent(hws[IMX6UL_CLK_CAN_SEL]->clk, hws[IMX6UL_CLK_PLL3_80M]->clk); if (clk_on_imx6ul()) clk_set_parent(hws[IMX6UL_CLK_SIM_PRE_SEL]->clk, hws[IMX6UL_CLK_PLL3_USB_OTG]->clk); else if (clk_on_imx6ull()) diff --git a/drivers/clk/imx/clk-imx7ulp.c b/drivers/clk/imx/clk-imx7ulp.c index 3710aa0dee9b..634c0b6636b0 100644 --- a/drivers/clk/imx/clk-imx7ulp.c +++ b/drivers/clk/imx/clk-imx7ulp.c @@ -29,7 +29,7 @@ static const char * const ddr_sels[] = { "apll_pfd_sel", "dummy", "dummy", "dum static const char * const nic_sels[] = { "firc", "ddr_clk", }; static const char * const periph_plat_sels[] = { "dummy", "nic1_bus_clk", "nic1_clk", "ddr_clk", "apll_pfd2", "apll_pfd1", "apll_pfd0", "upll", }; static const char * const periph_bus_sels[] = { "dummy", "sosc_bus_clk", "dummy", "firc_bus_clk", "rosc", "nic1_bus_clk", "nic1_clk", "spll_bus_clk", }; -static const char * const arm_sels[] = { "divcore", "dummy", "dummy", "hsrun_divcore", }; +static const char * const arm_sels[] = { "core", "dummy", "dummy", "hsrun_core", }; /* used by sosc/sirc/firc/ddr/spll/apll dividers */ static const struct clk_div_table ulp_div_table[] = { @@ -121,7 +121,9 @@ static void __init imx7ulp_clk_scg1_init(struct device_node *np) hws[IMX7ULP_CLK_DDR_SEL] = imx_clk_hw_mux_flags("ddr_sel", base + 0x30, 24, 2, ddr_sels, ARRAY_SIZE(ddr_sels), CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE); hws[IMX7ULP_CLK_CORE_DIV] = imx_clk_hw_divider_flags("divcore", "scs_sel", base + 0x14, 16, 4, CLK_SET_RATE_PARENT); + hws[IMX7ULP_CLK_CORE] = imx_clk_hw_cpu("core", "divcore", hws[IMX7ULP_CLK_CORE_DIV]->clk, hws[IMX7ULP_CLK_SYS_SEL]->clk, hws[IMX7ULP_CLK_SPLL_SEL]->clk, hws[IMX7ULP_CLK_FIRC]->clk); hws[IMX7ULP_CLK_HSRUN_CORE_DIV] = imx_clk_hw_divider_flags("hsrun_divcore", "hsrun_scs_sel", base + 0x1c, 16, 4, CLK_SET_RATE_PARENT); + hws[IMX7ULP_CLK_HSRUN_CORE] = imx_clk_hw_cpu("hsrun_core", "hsrun_divcore", hws[IMX7ULP_CLK_HSRUN_CORE_DIV]->clk, hws[IMX7ULP_CLK_HSRUN_SYS_SEL]->clk, hws[IMX7ULP_CLK_SPLL_SEL]->clk, hws[IMX7ULP_CLK_FIRC]->clk); hws[IMX7ULP_CLK_DDR_DIV] = imx_clk_hw_divider_gate("ddr_clk", "ddr_sel", CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, base + 0x30, 0, 3, 0, ulp_div_table, &imx_ccm_lock); @@ -270,7 +272,7 @@ static void __init imx7ulp_clk_smc1_init(struct device_node *np) base = of_iomap(np, 0); WARN_ON(!base); - hws[IMX7ULP_CLK_ARM] = imx_clk_hw_mux_flags("arm", base + 0x10, 8, 2, arm_sels, ARRAY_SIZE(arm_sels), CLK_IS_CRITICAL); + hws[IMX7ULP_CLK_ARM] = imx_clk_hw_mux_flags("arm", base + 0x10, 8, 2, arm_sels, ARRAY_SIZE(arm_sels), CLK_SET_RATE_PARENT); imx_check_clk_hws(hws, clk_data->num); diff --git a/drivers/clk/imx/clk-imx8mm.c b/drivers/clk/imx/clk-imx8mm.c index 925670438f23..b793264c21c6 100644 --- a/drivers/clk/imx/clk-imx8mm.c +++ b/drivers/clk/imx/clk-imx8mm.c @@ -416,9 +416,9 @@ static int imx8mm_clocks_probe(struct platform_device *pdev) return PTR_ERR(base); /* Core Slice */ - hws[IMX8MM_CLK_A53_SRC] = imx_clk_hw_mux2("arm_a53_src", base + 0x8000, 24, 3, imx8mm_a53_sels, ARRAY_SIZE(imx8mm_a53_sels)); - hws[IMX8MM_CLK_A53_CG] = imx_clk_hw_gate3("arm_a53_cg", "arm_a53_src", base + 0x8000, 28); - hws[IMX8MM_CLK_A53_DIV] = imx_clk_hw_divider2("arm_a53_div", "arm_a53_cg", base + 0x8000, 0, 3); + hws[IMX8MM_CLK_A53_DIV] = imx8m_clk_hw_composite_core("arm_a53_div", imx8mm_a53_sels, base + 0x8000); + hws[IMX8MM_CLK_A53_CG] = hws[IMX8MM_CLK_A53_DIV]; + hws[IMX8MM_CLK_A53_SRC] = hws[IMX8MM_CLK_A53_DIV]; hws[IMX8MM_CLK_M4_CORE] = imx8m_clk_hw_composite_core("arm_m4_core", imx8mm_m4_sels, base + 0x8080); hws[IMX8MM_CLK_VPU_CORE] = imx8m_clk_hw_composite_core("vpu_core", imx8mm_vpu_sels, base + 0x8100); @@ -444,21 +444,21 @@ static int imx8mm_clocks_probe(struct platform_device *pdev) /* BUS */ hws[IMX8MM_CLK_MAIN_AXI] = imx8m_clk_hw_composite_critical("main_axi", imx8mm_main_axi_sels, base + 0x8800); - hws[IMX8MM_CLK_ENET_AXI] = imx8m_clk_hw_composite("enet_axi", imx8mm_enet_axi_sels, base + 0x8880); + hws[IMX8MM_CLK_ENET_AXI] = imx8m_clk_hw_composite_bus("enet_axi", imx8mm_enet_axi_sels, base + 0x8880); hws[IMX8MM_CLK_NAND_USDHC_BUS] = imx8m_clk_hw_composite_critical("nand_usdhc_bus", imx8mm_nand_usdhc_sels, base + 0x8900); - hws[IMX8MM_CLK_VPU_BUS] = imx8m_clk_hw_composite("vpu_bus", imx8mm_vpu_bus_sels, base + 0x8980); - hws[IMX8MM_CLK_DISP_AXI] = imx8m_clk_hw_composite("disp_axi", imx8mm_disp_axi_sels, base + 0x8a00); - hws[IMX8MM_CLK_DISP_APB] = imx8m_clk_hw_composite("disp_apb", imx8mm_disp_apb_sels, base + 0x8a80); - hws[IMX8MM_CLK_DISP_RTRM] = imx8m_clk_hw_composite("disp_rtrm", imx8mm_disp_rtrm_sels, base + 0x8b00); - hws[IMX8MM_CLK_USB_BUS] = imx8m_clk_hw_composite("usb_bus", imx8mm_usb_bus_sels, base + 0x8b80); - hws[IMX8MM_CLK_GPU_AXI] = imx8m_clk_hw_composite("gpu_axi", imx8mm_gpu_axi_sels, base + 0x8c00); - hws[IMX8MM_CLK_GPU_AHB] = imx8m_clk_hw_composite("gpu_ahb", imx8mm_gpu_ahb_sels, base + 0x8c80); + hws[IMX8MM_CLK_VPU_BUS] = imx8m_clk_hw_composite_bus("vpu_bus", imx8mm_vpu_bus_sels, base + 0x8980); + hws[IMX8MM_CLK_DISP_AXI] = imx8m_clk_hw_composite_bus("disp_axi", imx8mm_disp_axi_sels, base + 0x8a00); + hws[IMX8MM_CLK_DISP_APB] = imx8m_clk_hw_composite_bus("disp_apb", imx8mm_disp_apb_sels, base + 0x8a80); + hws[IMX8MM_CLK_DISP_RTRM] = imx8m_clk_hw_composite_bus("disp_rtrm", imx8mm_disp_rtrm_sels, base + 0x8b00); + hws[IMX8MM_CLK_USB_BUS] = imx8m_clk_hw_composite_bus("usb_bus", imx8mm_usb_bus_sels, base + 0x8b80); + hws[IMX8MM_CLK_GPU_AXI] = imx8m_clk_hw_composite_bus("gpu_axi", imx8mm_gpu_axi_sels, base + 0x8c00); + hws[IMX8MM_CLK_GPU_AHB] = imx8m_clk_hw_composite_bus("gpu_ahb", imx8mm_gpu_ahb_sels, base + 0x8c80); hws[IMX8MM_CLK_NOC] = imx8m_clk_hw_composite_critical("noc", imx8mm_noc_sels, base + 0x8d00); hws[IMX8MM_CLK_NOC_APB] = imx8m_clk_hw_composite_critical("noc_apb", imx8mm_noc_apb_sels, base + 0x8d80); /* AHB */ hws[IMX8MM_CLK_AHB] = imx8m_clk_hw_composite_critical("ahb", imx8mm_ahb_sels, base + 0x9000); - hws[IMX8MM_CLK_AUDIO_AHB] = imx8m_clk_hw_composite("audio_ahb", imx8mm_audio_ahb_sels, base + 0x9100); + hws[IMX8MM_CLK_AUDIO_AHB] = imx8m_clk_hw_composite_bus("audio_ahb", imx8mm_audio_ahb_sels, base + 0x9100); /* IPG */ hws[IMX8MM_CLK_IPG_ROOT] = imx_clk_hw_divider2("ipg_root", "ahb", base + 0x9080, 0, 1); @@ -614,9 +614,6 @@ static int imx8mm_clocks_probe(struct platform_device *pdev) hws[IMX8MM_ARM_PLL_OUT]->clk, hws[IMX8MM_CLK_A53_DIV]->clk); - clk_hw_set_parent(hws[IMX8MM_CLK_A53_SRC], hws[IMX8MM_SYS_PLL1_800M]); - clk_hw_set_parent(hws[IMX8MM_CLK_A53_CORE], hws[IMX8MM_ARM_PLL_OUT]); - imx_check_clk_hws(hws, IMX8MM_CLK_END); ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_hw_data); diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c index 0bc7070235bd..213cc37b3173 100644 --- a/drivers/clk/imx/clk-imx8mn.c +++ b/drivers/clk/imx/clk-imx8mn.c @@ -413,9 +413,9 @@ static int imx8mn_clocks_probe(struct platform_device *pdev) } /* CORE */ - hws[IMX8MN_CLK_A53_SRC] = imx_clk_hw_mux2("arm_a53_src", base + 0x8000, 24, 3, imx8mn_a53_sels, ARRAY_SIZE(imx8mn_a53_sels)); - hws[IMX8MN_CLK_A53_CG] = imx_clk_hw_gate3("arm_a53_cg", "arm_a53_src", base + 0x8000, 28); - hws[IMX8MN_CLK_A53_DIV] = imx_clk_hw_divider2("arm_a53_div", "arm_a53_cg", base + 0x8000, 0, 3); + hws[IMX8MN_CLK_A53_DIV] = imx8m_clk_hw_composite_core("arm_a53_div", imx8mn_a53_sels, base + 0x8000); + hws[IMX8MN_CLK_A53_SRC] = hws[IMX8MN_CLK_A53_DIV]; + hws[IMX8MN_CLK_A53_CG] = hws[IMX8MN_CLK_A53_DIV]; hws[IMX8MN_CLK_GPU_CORE] = imx8m_clk_hw_composite_core("gpu_core", imx8mn_gpu_core_sels, base + 0x8180); hws[IMX8MN_CLK_GPU_SHADER] = imx8m_clk_hw_composite_core("gpu_shader", imx8mn_gpu_shader_sels, base + 0x8200); @@ -432,17 +432,17 @@ static int imx8mn_clocks_probe(struct platform_device *pdev) /* BUS */ hws[IMX8MN_CLK_MAIN_AXI] = imx8m_clk_hw_composite_critical("main_axi", imx8mn_main_axi_sels, base + 0x8800); - hws[IMX8MN_CLK_ENET_AXI] = imx8m_clk_hw_composite("enet_axi", imx8mn_enet_axi_sels, base + 0x8880); - hws[IMX8MN_CLK_NAND_USDHC_BUS] = imx8m_clk_hw_composite("nand_usdhc_bus", imx8mn_nand_usdhc_sels, base + 0x8900); - hws[IMX8MN_CLK_DISP_AXI] = imx8m_clk_hw_composite("disp_axi", imx8mn_disp_axi_sels, base + 0x8a00); - hws[IMX8MN_CLK_DISP_APB] = imx8m_clk_hw_composite("disp_apb", imx8mn_disp_apb_sels, base + 0x8a80); - hws[IMX8MN_CLK_USB_BUS] = imx8m_clk_hw_composite("usb_bus", imx8mn_usb_bus_sels, base + 0x8b80); - hws[IMX8MN_CLK_GPU_AXI] = imx8m_clk_hw_composite("gpu_axi", imx8mn_gpu_axi_sels, base + 0x8c00); - hws[IMX8MN_CLK_GPU_AHB] = imx8m_clk_hw_composite("gpu_ahb", imx8mn_gpu_ahb_sels, base + 0x8c80); + hws[IMX8MN_CLK_ENET_AXI] = imx8m_clk_hw_composite_bus("enet_axi", imx8mn_enet_axi_sels, base + 0x8880); + hws[IMX8MN_CLK_NAND_USDHC_BUS] = imx8m_clk_hw_composite_bus("nand_usdhc_bus", imx8mn_nand_usdhc_sels, base + 0x8900); + hws[IMX8MN_CLK_DISP_AXI] = imx8m_clk_hw_composite_bus("disp_axi", imx8mn_disp_axi_sels, base + 0x8a00); + hws[IMX8MN_CLK_DISP_APB] = imx8m_clk_hw_composite_bus("disp_apb", imx8mn_disp_apb_sels, base + 0x8a80); + hws[IMX8MN_CLK_USB_BUS] = imx8m_clk_hw_composite_bus("usb_bus", imx8mn_usb_bus_sels, base + 0x8b80); + hws[IMX8MN_CLK_GPU_AXI] = imx8m_clk_hw_composite_bus("gpu_axi", imx8mn_gpu_axi_sels, base + 0x8c00); + hws[IMX8MN_CLK_GPU_AHB] = imx8m_clk_hw_composite_bus("gpu_ahb", imx8mn_gpu_ahb_sels, base + 0x8c80); hws[IMX8MN_CLK_NOC] = imx8m_clk_hw_composite_critical("noc", imx8mn_noc_sels, base + 0x8d00); hws[IMX8MN_CLK_AHB] = imx8m_clk_hw_composite_critical("ahb", imx8mn_ahb_sels, base + 0x9000); - hws[IMX8MN_CLK_AUDIO_AHB] = imx8m_clk_hw_composite("audio_ahb", imx8mn_audio_ahb_sels, base + 0x9100); + hws[IMX8MN_CLK_AUDIO_AHB] = imx8m_clk_hw_composite_bus("audio_ahb", imx8mn_audio_ahb_sels, base + 0x9100); hws[IMX8MN_CLK_IPG_ROOT] = imx_clk_hw_divider2("ipg_root", "ahb", base + 0x9080, 0, 1); hws[IMX8MN_CLK_IPG_AUDIO_ROOT] = imx_clk_hw_divider2("ipg_audio_root", "audio_ahb", base + 0x9180, 0, 1); hws[IMX8MN_CLK_DRAM_CORE] = imx_clk_hw_mux2_flags("dram_core_clk", base + 0x9800, 24, 1, imx8mn_dram_core_sels, ARRAY_SIZE(imx8mn_dram_core_sels), CLK_IS_CRITICAL); @@ -565,9 +565,6 @@ static int imx8mn_clocks_probe(struct platform_device *pdev) hws[IMX8MN_ARM_PLL_OUT]->clk, hws[IMX8MN_CLK_A53_DIV]->clk); - clk_hw_set_parent(hws[IMX8MN_CLK_A53_SRC], hws[IMX8MN_SYS_PLL1_800M]); - clk_hw_set_parent(hws[IMX8MN_CLK_A53_CORE], hws[IMX8MN_ARM_PLL_OUT]); - imx_check_clk_hws(hws, IMX8MN_CLK_END); ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_hw_data); diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c index 41469e2cc3de..b4d9db9d5bf1 100644 --- a/drivers/clk/imx/clk-imx8mp.c +++ b/drivers/clk/imx/clk-imx8mp.c @@ -486,16 +486,16 @@ static int imx8mp_clocks_probe(struct platform_device *pdev) hws[IMX8MP_SYS_PLL2] = imx_clk_hw_pll14xx("sys_pll2", "sys_pll2_ref_sel", anatop_base + 0x104, &imx_1416x_pll); hws[IMX8MP_SYS_PLL3] = imx_clk_hw_pll14xx("sys_pll3", "sys_pll3_ref_sel", anatop_base + 0x114, &imx_1416x_pll); - hws[IMX8MP_AUDIO_PLL1_BYPASS] = imx_clk_hw_mux_flags("audio_pll1_bypass", anatop_base, 4, 1, audio_pll1_bypass_sels, ARRAY_SIZE(audio_pll1_bypass_sels), CLK_SET_RATE_PARENT); - hws[IMX8MP_AUDIO_PLL2_BYPASS] = imx_clk_hw_mux_flags("audio_pll2_bypass", anatop_base + 0x14, 4, 1, audio_pll2_bypass_sels, ARRAY_SIZE(audio_pll2_bypass_sels), CLK_SET_RATE_PARENT); - hws[IMX8MP_VIDEO_PLL1_BYPASS] = imx_clk_hw_mux_flags("video_pll1_bypass", anatop_base + 0x28, 4, 1, video_pll1_bypass_sels, ARRAY_SIZE(video_pll1_bypass_sels), CLK_SET_RATE_PARENT); - hws[IMX8MP_DRAM_PLL_BYPASS] = imx_clk_hw_mux_flags("dram_pll_bypass", anatop_base + 0x50, 4, 1, dram_pll_bypass_sels, ARRAY_SIZE(dram_pll_bypass_sels), CLK_SET_RATE_PARENT); - hws[IMX8MP_GPU_PLL_BYPASS] = imx_clk_hw_mux_flags("gpu_pll_bypass", anatop_base + 0x64, 4, 1, gpu_pll_bypass_sels, ARRAY_SIZE(gpu_pll_bypass_sels), CLK_SET_RATE_PARENT); - hws[IMX8MP_VPU_PLL_BYPASS] = imx_clk_hw_mux_flags("vpu_pll_bypass", anatop_base + 0x74, 4, 1, vpu_pll_bypass_sels, ARRAY_SIZE(vpu_pll_bypass_sels), CLK_SET_RATE_PARENT); - hws[IMX8MP_ARM_PLL_BYPASS] = imx_clk_hw_mux_flags("arm_pll_bypass", anatop_base + 0x84, 4, 1, arm_pll_bypass_sels, ARRAY_SIZE(arm_pll_bypass_sels), CLK_SET_RATE_PARENT); - hws[IMX8MP_SYS_PLL1_BYPASS] = imx_clk_hw_mux_flags("sys_pll1_bypass", anatop_base + 0x94, 4, 1, sys_pll1_bypass_sels, ARRAY_SIZE(sys_pll1_bypass_sels), CLK_SET_RATE_PARENT); - hws[IMX8MP_SYS_PLL2_BYPASS] = imx_clk_hw_mux_flags("sys_pll2_bypass", anatop_base + 0x104, 4, 1, sys_pll2_bypass_sels, ARRAY_SIZE(sys_pll2_bypass_sels), CLK_SET_RATE_PARENT); - hws[IMX8MP_SYS_PLL3_BYPASS] = imx_clk_hw_mux_flags("sys_pll3_bypass", anatop_base + 0x114, 4, 1, sys_pll3_bypass_sels, ARRAY_SIZE(sys_pll3_bypass_sels), CLK_SET_RATE_PARENT); + hws[IMX8MP_AUDIO_PLL1_BYPASS] = imx_clk_hw_mux_flags("audio_pll1_bypass", anatop_base, 16, 1, audio_pll1_bypass_sels, ARRAY_SIZE(audio_pll1_bypass_sels), CLK_SET_RATE_PARENT); + hws[IMX8MP_AUDIO_PLL2_BYPASS] = imx_clk_hw_mux_flags("audio_pll2_bypass", anatop_base + 0x14, 16, 1, audio_pll2_bypass_sels, ARRAY_SIZE(audio_pll2_bypass_sels), CLK_SET_RATE_PARENT); + hws[IMX8MP_VIDEO_PLL1_BYPASS] = imx_clk_hw_mux_flags("video_pll1_bypass", anatop_base + 0x28, 16, 1, video_pll1_bypass_sels, ARRAY_SIZE(video_pll1_bypass_sels), CLK_SET_RATE_PARENT); + hws[IMX8MP_DRAM_PLL_BYPASS] = imx_clk_hw_mux_flags("dram_pll_bypass", anatop_base + 0x50, 16, 1, dram_pll_bypass_sels, ARRAY_SIZE(dram_pll_bypass_sels), CLK_SET_RATE_PARENT); + hws[IMX8MP_GPU_PLL_BYPASS] = imx_clk_hw_mux_flags("gpu_pll_bypass", anatop_base + 0x64, 28, 1, gpu_pll_bypass_sels, ARRAY_SIZE(gpu_pll_bypass_sels), CLK_SET_RATE_PARENT); + hws[IMX8MP_VPU_PLL_BYPASS] = imx_clk_hw_mux_flags("vpu_pll_bypass", anatop_base + 0x74, 28, 1, vpu_pll_bypass_sels, ARRAY_SIZE(vpu_pll_bypass_sels), CLK_SET_RATE_PARENT); + hws[IMX8MP_ARM_PLL_BYPASS] = imx_clk_hw_mux_flags("arm_pll_bypass", anatop_base + 0x84, 28, 1, arm_pll_bypass_sels, ARRAY_SIZE(arm_pll_bypass_sels), CLK_SET_RATE_PARENT); + hws[IMX8MP_SYS_PLL1_BYPASS] = imx_clk_hw_mux_flags("sys_pll1_bypass", anatop_base + 0x94, 28, 1, sys_pll1_bypass_sels, ARRAY_SIZE(sys_pll1_bypass_sels), CLK_SET_RATE_PARENT); + hws[IMX8MP_SYS_PLL2_BYPASS] = imx_clk_hw_mux_flags("sys_pll2_bypass", anatop_base + 0x104, 28, 1, sys_pll2_bypass_sels, ARRAY_SIZE(sys_pll2_bypass_sels), CLK_SET_RATE_PARENT); + hws[IMX8MP_SYS_PLL3_BYPASS] = imx_clk_hw_mux_flags("sys_pll3_bypass", anatop_base + 0x114, 28, 1, sys_pll3_bypass_sels, ARRAY_SIZE(sys_pll3_bypass_sels), CLK_SET_RATE_PARENT); hws[IMX8MP_AUDIO_PLL1_OUT] = imx_clk_hw_gate("audio_pll1_out", "audio_pll1_bypass", anatop_base, 13); hws[IMX8MP_AUDIO_PLL2_OUT] = imx_clk_hw_gate("audio_pll2_out", "audio_pll2_bypass", anatop_base + 0x14, 13); @@ -504,79 +504,82 @@ static int imx8mp_clocks_probe(struct platform_device *pdev) hws[IMX8MP_GPU_PLL_OUT] = imx_clk_hw_gate("gpu_pll_out", "gpu_pll_bypass", anatop_base + 0x64, 11); hws[IMX8MP_VPU_PLL_OUT] = imx_clk_hw_gate("vpu_pll_out", "vpu_pll_bypass", anatop_base + 0x74, 11); hws[IMX8MP_ARM_PLL_OUT] = imx_clk_hw_gate("arm_pll_out", "arm_pll_bypass", anatop_base + 0x84, 11); - hws[IMX8MP_SYS_PLL1_OUT] = imx_clk_hw_gate("sys_pll1_out", "sys_pll1_bypass", anatop_base + 0x94, 11); - hws[IMX8MP_SYS_PLL2_OUT] = imx_clk_hw_gate("sys_pll2_out", "sys_pll2_bypass", anatop_base + 0x104, 11); hws[IMX8MP_SYS_PLL3_OUT] = imx_clk_hw_gate("sys_pll3_out", "sys_pll3_bypass", anatop_base + 0x114, 11); - hws[IMX8MP_SYS_PLL1_40M] = imx_clk_hw_fixed_factor("sys_pll1_40m", "sys_pll1_out", 1, 20); - hws[IMX8MP_SYS_PLL1_80M] = imx_clk_hw_fixed_factor("sys_pll1_80m", "sys_pll1_out", 1, 10); - hws[IMX8MP_SYS_PLL1_100M] = imx_clk_hw_fixed_factor("sys_pll1_100m", "sys_pll1_out", 1, 8); - hws[IMX8MP_SYS_PLL1_133M] = imx_clk_hw_fixed_factor("sys_pll1_133m", "sys_pll1_out", 1, 6); - hws[IMX8MP_SYS_PLL1_160M] = imx_clk_hw_fixed_factor("sys_pll1_160m", "sys_pll1_out", 1, 5); - hws[IMX8MP_SYS_PLL1_200M] = imx_clk_hw_fixed_factor("sys_pll1_200m", "sys_pll1_out", 1, 4); - hws[IMX8MP_SYS_PLL1_266M] = imx_clk_hw_fixed_factor("sys_pll1_266m", "sys_pll1_out", 1, 3); - hws[IMX8MP_SYS_PLL1_400M] = imx_clk_hw_fixed_factor("sys_pll1_400m", "sys_pll1_out", 1, 2); + hws[IMX8MP_SYS_PLL1_40M_CG] = imx_clk_hw_gate("sys_pll1_40m_cg", "sys_pll1_bypass", anatop_base + 0x94, 27); + hws[IMX8MP_SYS_PLL1_80M_CG] = imx_clk_hw_gate("sys_pll1_80m_cg", "sys_pll1_bypass", anatop_base + 0x94, 25); + hws[IMX8MP_SYS_PLL1_100M_CG] = imx_clk_hw_gate("sys_pll1_100m_cg", "sys_pll1_bypass", anatop_base + 0x94, 23); + hws[IMX8MP_SYS_PLL1_133M_CG] = imx_clk_hw_gate("sys_pll1_133m_cg", "sys_pll1_bypass", anatop_base + 0x94, 21); + hws[IMX8MP_SYS_PLL1_160M_CG] = imx_clk_hw_gate("sys_pll1_160m_cg", "sys_pll1_bypass", anatop_base + 0x94, 19); + hws[IMX8MP_SYS_PLL1_200M_CG] = imx_clk_hw_gate("sys_pll1_200m_cg", "sys_pll1_bypass", anatop_base + 0x94, 17); + hws[IMX8MP_SYS_PLL1_266M_CG] = imx_clk_hw_gate("sys_pll1_266m_cg", "sys_pll1_bypass", anatop_base + 0x94, 15); + hws[IMX8MP_SYS_PLL1_400M_CG] = imx_clk_hw_gate("sys_pll1_400m_cg", "sys_pll1_bypass", anatop_base + 0x94, 13); + hws[IMX8MP_SYS_PLL1_OUT] = imx_clk_hw_gate("sys_pll1_out", "sys_pll1_bypass", anatop_base + 0x94, 11); + + hws[IMX8MP_SYS_PLL1_40M] = imx_clk_hw_fixed_factor("sys_pll1_40m", "sys_pll1_40m_cg", 1, 20); + hws[IMX8MP_SYS_PLL1_80M] = imx_clk_hw_fixed_factor("sys_pll1_80m", "sys_pll1_80m_cg", 1, 10); + hws[IMX8MP_SYS_PLL1_100M] = imx_clk_hw_fixed_factor("sys_pll1_100m", "sys_pll1_100m_cg", 1, 8); + hws[IMX8MP_SYS_PLL1_133M] = imx_clk_hw_fixed_factor("sys_pll1_133m", "sys_pll1_133m_cg", 1, 6); + hws[IMX8MP_SYS_PLL1_160M] = imx_clk_hw_fixed_factor("sys_pll1_160m", "sys_pll1_160m_cg", 1, 5); + hws[IMX8MP_SYS_PLL1_200M] = imx_clk_hw_fixed_factor("sys_pll1_200m", "sys_pll1_200m_cg", 1, 4); + hws[IMX8MP_SYS_PLL1_266M] = imx_clk_hw_fixed_factor("sys_pll1_266m", "sys_pll1_266m_cg", 1, 3); + hws[IMX8MP_SYS_PLL1_400M] = imx_clk_hw_fixed_factor("sys_pll1_400m", "sys_pll1_400m_cg", 1, 2); hws[IMX8MP_SYS_PLL1_800M] = imx_clk_hw_fixed_factor("sys_pll1_800m", "sys_pll1_out", 1, 1); - hws[IMX8MP_SYS_PLL2_50M] = imx_clk_hw_fixed_factor("sys_pll2_50m", "sys_pll2_out", 1, 20); - hws[IMX8MP_SYS_PLL2_100M] = imx_clk_hw_fixed_factor("sys_pll2_100m", "sys_pll2_out", 1, 10); - hws[IMX8MP_SYS_PLL2_125M] = imx_clk_hw_fixed_factor("sys_pll2_125m", "sys_pll2_out", 1, 8); - hws[IMX8MP_SYS_PLL2_166M] = imx_clk_hw_fixed_factor("sys_pll2_166m", "sys_pll2_out", 1, 6); - hws[IMX8MP_SYS_PLL2_200M] = imx_clk_hw_fixed_factor("sys_pll2_200m", "sys_pll2_out", 1, 5); - hws[IMX8MP_SYS_PLL2_250M] = imx_clk_hw_fixed_factor("sys_pll2_250m", "sys_pll2_out", 1, 4); - hws[IMX8MP_SYS_PLL2_333M] = imx_clk_hw_fixed_factor("sys_pll2_333m", "sys_pll2_out", 1, 3); - hws[IMX8MP_SYS_PLL2_500M] = imx_clk_hw_fixed_factor("sys_pll2_500m", "sys_pll2_out", 1, 2); + hws[IMX8MP_SYS_PLL2_50M_CG] = imx_clk_hw_gate("sys_pll2_50m_cg", "sys_pll2_bypass", anatop_base + 0x104, 27); + hws[IMX8MP_SYS_PLL2_100M_CG] = imx_clk_hw_gate("sys_pll2_100m_cg", "sys_pll2_bypass", anatop_base + 0x104, 25); + hws[IMX8MP_SYS_PLL2_125M_CG] = imx_clk_hw_gate("sys_pll2_125m_cg", "sys_pll2_bypass", anatop_base + 0x104, 23); + hws[IMX8MP_SYS_PLL2_166M_CG] = imx_clk_hw_gate("sys_pll2_166m_cg", "sys_pll2_bypass", anatop_base + 0x104, 21); + hws[IMX8MP_SYS_PLL2_200M_CG] = imx_clk_hw_gate("sys_pll2_200m_cg", "sys_pll2_bypass", anatop_base + 0x104, 19); + hws[IMX8MP_SYS_PLL2_250M_CG] = imx_clk_hw_gate("sys_pll2_250m_cg", "sys_pll2_bypass", anatop_base + 0x104, 17); + hws[IMX8MP_SYS_PLL2_333M_CG] = imx_clk_hw_gate("sys_pll2_333m_cg", "sys_pll2_bypass", anatop_base + 0x104, 15); + hws[IMX8MP_SYS_PLL2_500M_CG] = imx_clk_hw_gate("sys_pll2_500m_cg", "sys_pll2_bypass", anatop_base + 0x104, 13); + hws[IMX8MP_SYS_PLL2_OUT] = imx_clk_hw_gate("sys_pll2_out", "sys_pll2_bypass", anatop_base + 0x104, 11); + + hws[IMX8MP_SYS_PLL2_50M] = imx_clk_hw_fixed_factor("sys_pll2_50m", "sys_pll2_50m_cg", 1, 20); + hws[IMX8MP_SYS_PLL2_100M] = imx_clk_hw_fixed_factor("sys_pll2_100m", "sys_pll2_100m_cg", 1, 10); + hws[IMX8MP_SYS_PLL2_125M] = imx_clk_hw_fixed_factor("sys_pll2_125m", "sys_pll2_125m_cg", 1, 8); + hws[IMX8MP_SYS_PLL2_166M] = imx_clk_hw_fixed_factor("sys_pll2_166m", "sys_pll2_166m_cg", 1, 6); + hws[IMX8MP_SYS_PLL2_200M] = imx_clk_hw_fixed_factor("sys_pll2_200m", "sys_pll2_200m_cg", 1, 5); + hws[IMX8MP_SYS_PLL2_250M] = imx_clk_hw_fixed_factor("sys_pll2_250m", "sys_pll2_250m_cg", 1, 4); + hws[IMX8MP_SYS_PLL2_333M] = imx_clk_hw_fixed_factor("sys_pll2_333m", "sys_pll2_333m_cg", 1, 3); + hws[IMX8MP_SYS_PLL2_500M] = imx_clk_hw_fixed_factor("sys_pll2_500m", "sys_pll2_500m_cg", 1, 2); hws[IMX8MP_SYS_PLL2_1000M] = imx_clk_hw_fixed_factor("sys_pll2_1000m", "sys_pll2_out", 1, 1); - hws[IMX8MP_CLK_A53_SRC] = imx_clk_hw_mux2("arm_a53_src", ccm_base + 0x8000, 24, 3, imx8mp_a53_sels, ARRAY_SIZE(imx8mp_a53_sels)); - hws[IMX8MP_CLK_M7_SRC] = imx_clk_hw_mux2("arm_m7_src", ccm_base + 0x8080, 24, 3, imx8mp_m7_sels, ARRAY_SIZE(imx8mp_m7_sels)); - hws[IMX8MP_CLK_ML_SRC] = imx_clk_hw_mux2("ml_src", ccm_base + 0x8100, 24, 3, imx8mp_ml_sels, ARRAY_SIZE(imx8mp_ml_sels)); - hws[IMX8MP_CLK_GPU3D_CORE_SRC] = imx_clk_hw_mux2("gpu3d_core_src", ccm_base + 0x8180, 24, 3, imx8mp_gpu3d_core_sels, ARRAY_SIZE(imx8mp_gpu3d_core_sels)); - hws[IMX8MP_CLK_GPU3D_SHADER_SRC] = imx_clk_hw_mux2("gpu3d_shader_src", ccm_base + 0x8200, 24, 3, imx8mp_gpu3d_shader_sels, ARRAY_SIZE(imx8mp_gpu3d_shader_sels)); - hws[IMX8MP_CLK_GPU2D_SRC] = imx_clk_hw_mux2("gpu2d_src", ccm_base + 0x8280, 24, 3, imx8mp_gpu2d_sels, ARRAY_SIZE(imx8mp_gpu2d_sels)); - hws[IMX8MP_CLK_AUDIO_AXI_SRC] = imx_clk_hw_mux2("audio_axi_src", ccm_base + 0x8300, 24, 3, imx8mp_audio_axi_sels, ARRAY_SIZE(imx8mp_audio_axi_sels)); - hws[IMX8MP_CLK_HSIO_AXI_SRC] = imx_clk_hw_mux2("hsio_axi_src", ccm_base + 0x8380, 24, 3, imx8mp_hsio_axi_sels, ARRAY_SIZE(imx8mp_hsio_axi_sels)); - hws[IMX8MP_CLK_MEDIA_ISP_SRC] = imx_clk_hw_mux2("media_isp_src", ccm_base + 0x8400, 24, 3, imx8mp_media_isp_sels, ARRAY_SIZE(imx8mp_media_isp_sels)); - hws[IMX8MP_CLK_A53_CG] = imx_clk_hw_gate3("arm_a53_cg", "arm_a53_src", ccm_base + 0x8000, 28); - hws[IMX8MP_CLK_M4_CG] = imx_clk_hw_gate3("arm_m7_cg", "arm_m7_src", ccm_base + 0x8080, 28); - hws[IMX8MP_CLK_ML_CG] = imx_clk_hw_gate3("ml_cg", "ml_src", ccm_base + 0x8100, 28); - hws[IMX8MP_CLK_GPU3D_CORE_CG] = imx_clk_hw_gate3("gpu3d_core_cg", "gpu3d_core_src", ccm_base + 0x8180, 28); - hws[IMX8MP_CLK_GPU3D_SHADER_CG] = imx_clk_hw_gate3("gpu3d_shader_cg", "gpu3d_shader_src", ccm_base + 0x8200, 28); - hws[IMX8MP_CLK_GPU2D_CG] = imx_clk_hw_gate3("gpu2d_cg", "gpu2d_src", ccm_base + 0x8280, 28); - hws[IMX8MP_CLK_AUDIO_AXI_CG] = imx_clk_hw_gate3("audio_axi_cg", "audio_axi_src", ccm_base + 0x8300, 28); - hws[IMX8MP_CLK_HSIO_AXI_CG] = imx_clk_hw_gate3("hsio_axi_cg", "hsio_axi_src", ccm_base + 0x8380, 28); - hws[IMX8MP_CLK_MEDIA_ISP_CG] = imx_clk_hw_gate3("media_isp_cg", "media_isp_src", ccm_base + 0x8400, 28); - hws[IMX8MP_CLK_A53_DIV] = imx_clk_hw_divider2("arm_a53_div", "arm_a53_cg", ccm_base + 0x8000, 0, 3); - hws[IMX8MP_CLK_M7_DIV] = imx_clk_hw_divider2("arm_m7_div", "arm_m7_cg", ccm_base + 0x8080, 0, 3); - hws[IMX8MP_CLK_ML_DIV] = imx_clk_hw_divider2("ml_div", "ml_cg", ccm_base + 0x8100, 0, 3); - hws[IMX8MP_CLK_GPU3D_CORE_DIV] = imx_clk_hw_divider2("gpu3d_core_div", "gpu3d_core_cg", ccm_base + 0x8180, 0, 3); - hws[IMX8MP_CLK_GPU3D_SHADER_DIV] = imx_clk_hw_divider2("gpu3d_shader_div", "gpu3d_shader_cg", ccm_base + 0x8200, 0, 3); - hws[IMX8MP_CLK_GPU2D_DIV] = imx_clk_hw_divider2("gpu2d_div", "gpu2d_cg", ccm_base + 0x8280, 0, 3); - hws[IMX8MP_CLK_AUDIO_AXI_DIV] = imx_clk_hw_divider2("audio_axi_div", "audio_axi_cg", ccm_base + 0x8300, 0, 3); - hws[IMX8MP_CLK_HSIO_AXI_DIV] = imx_clk_hw_divider2("hsio_axi_div", "hsio_axi_cg", ccm_base + 0x8380, 0, 3); - hws[IMX8MP_CLK_MEDIA_ISP_DIV] = imx_clk_hw_divider2("media_isp_div", "media_isp_cg", ccm_base + 0x8400, 0, 3); + hws[IMX8MP_CLK_A53_DIV] = imx8m_clk_hw_composite_core("arm_a53_div", imx8mp_a53_sels, ccm_base + 0x8000); + hws[IMX8MP_CLK_A53_SRC] = hws[IMX8MP_CLK_A53_DIV]; + hws[IMX8MP_CLK_A53_CG] = hws[IMX8MP_CLK_A53_DIV]; + hws[IMX8MP_CLK_M7_CORE] = imx8m_clk_hw_composite_core("m7_core", imx8mp_m7_sels, ccm_base + 0x8080); + hws[IMX8MP_CLK_ML_CORE] = imx8m_clk_hw_composite_core("ml_core", imx8mp_ml_sels, ccm_base + 0x8100); + hws[IMX8MP_CLK_GPU3D_CORE] = imx8m_clk_hw_composite_core("gpu3d_core", imx8mp_gpu3d_core_sels, ccm_base + 0x8180); + hws[IMX8MP_CLK_GPU3D_SHADER_CORE] = imx8m_clk_hw_composite("gpu3d_shader_core", imx8mp_gpu3d_shader_sels, ccm_base + 0x8200); + hws[IMX8MP_CLK_GPU2D_CORE] = imx8m_clk_hw_composite("gpu2d_core", imx8mp_gpu2d_sels, ccm_base + 0x8280); + hws[IMX8MP_CLK_AUDIO_AXI] = imx8m_clk_hw_composite("audio_axi", imx8mp_audio_axi_sels, ccm_base + 0x8300); + hws[IMX8MP_CLK_AUDIO_AXI_SRC] = hws[IMX8MP_CLK_AUDIO_AXI]; + hws[IMX8MP_CLK_HSIO_AXI] = imx8m_clk_hw_composite("hsio_axi", imx8mp_hsio_axi_sels, ccm_base + 0x8380); + hws[IMX8MP_CLK_MEDIA_ISP] = imx8m_clk_hw_composite("media_isp", imx8mp_media_isp_sels, ccm_base + 0x8400); /* CORE SEL */ hws[IMX8MP_CLK_A53_CORE] = imx_clk_hw_mux2("arm_a53_core", ccm_base + 0x9880, 24, 1, imx8mp_a53_core_sels, ARRAY_SIZE(imx8mp_a53_core_sels)); hws[IMX8MP_CLK_MAIN_AXI] = imx8m_clk_hw_composite_critical("main_axi", imx8mp_main_axi_sels, ccm_base + 0x8800); - hws[IMX8MP_CLK_ENET_AXI] = imx8m_clk_hw_composite("enet_axi", imx8mp_enet_axi_sels, ccm_base + 0x8880); + hws[IMX8MP_CLK_ENET_AXI] = imx8m_clk_hw_composite_bus("enet_axi", imx8mp_enet_axi_sels, ccm_base + 0x8880); hws[IMX8MP_CLK_NAND_USDHC_BUS] = imx8m_clk_hw_composite_critical("nand_usdhc_bus", imx8mp_nand_usdhc_sels, ccm_base + 0x8900); - hws[IMX8MP_CLK_VPU_BUS] = imx8m_clk_hw_composite("vpu_bus", imx8mp_vpu_bus_sels, ccm_base + 0x8980); - hws[IMX8MP_CLK_MEDIA_AXI] = imx8m_clk_hw_composite("media_axi", imx8mp_media_axi_sels, ccm_base + 0x8a00); - hws[IMX8MP_CLK_MEDIA_APB] = imx8m_clk_hw_composite("media_apb", imx8mp_media_apb_sels, ccm_base + 0x8a80); - hws[IMX8MP_CLK_HDMI_APB] = imx8m_clk_hw_composite("hdmi_apb", imx8mp_media_apb_sels, ccm_base + 0x8b00); - hws[IMX8MP_CLK_HDMI_AXI] = imx8m_clk_hw_composite("hdmi_axi", imx8mp_media_axi_sels, ccm_base + 0x8b80); - hws[IMX8MP_CLK_GPU_AXI] = imx8m_clk_hw_composite("gpu_axi", imx8mp_gpu_axi_sels, ccm_base + 0x8c00); - hws[IMX8MP_CLK_GPU_AHB] = imx8m_clk_hw_composite("gpu_ahb", imx8mp_gpu_ahb_sels, ccm_base + 0x8c80); + hws[IMX8MP_CLK_VPU_BUS] = imx8m_clk_hw_composite_bus("vpu_bus", imx8mp_vpu_bus_sels, ccm_base + 0x8980); + hws[IMX8MP_CLK_MEDIA_AXI] = imx8m_clk_hw_composite_bus("media_axi", imx8mp_media_axi_sels, ccm_base + 0x8a00); + hws[IMX8MP_CLK_MEDIA_APB] = imx8m_clk_hw_composite_bus("media_apb", imx8mp_media_apb_sels, ccm_base + 0x8a80); + hws[IMX8MP_CLK_HDMI_APB] = imx8m_clk_hw_composite_bus("hdmi_apb", imx8mp_media_apb_sels, ccm_base + 0x8b00); + hws[IMX8MP_CLK_HDMI_AXI] = imx8m_clk_hw_composite_bus("hdmi_axi", imx8mp_media_axi_sels, ccm_base + 0x8b80); + hws[IMX8MP_CLK_GPU_AXI] = imx8m_clk_hw_composite_bus("gpu_axi", imx8mp_gpu_axi_sels, ccm_base + 0x8c00); + hws[IMX8MP_CLK_GPU_AHB] = imx8m_clk_hw_composite_bus("gpu_ahb", imx8mp_gpu_ahb_sels, ccm_base + 0x8c80); hws[IMX8MP_CLK_NOC] = imx8m_clk_hw_composite_critical("noc", imx8mp_noc_sels, ccm_base + 0x8d00); hws[IMX8MP_CLK_NOC_IO] = imx8m_clk_hw_composite_critical("noc_io", imx8mp_noc_io_sels, ccm_base + 0x8d80); - hws[IMX8MP_CLK_ML_AXI] = imx8m_clk_hw_composite("ml_axi", imx8mp_ml_axi_sels, ccm_base + 0x8e00); - hws[IMX8MP_CLK_ML_AHB] = imx8m_clk_hw_composite("ml_ahb", imx8mp_ml_ahb_sels, ccm_base + 0x8e80); + hws[IMX8MP_CLK_ML_AXI] = imx8m_clk_hw_composite_bus("ml_axi", imx8mp_ml_axi_sels, ccm_base + 0x8e00); + hws[IMX8MP_CLK_ML_AHB] = imx8m_clk_hw_composite_bus("ml_ahb", imx8mp_ml_ahb_sels, ccm_base + 0x8e80); hws[IMX8MP_CLK_AHB] = imx8m_clk_hw_composite_critical("ahb_root", imx8mp_ahb_sels, ccm_base + 0x9000); - hws[IMX8MP_CLK_AUDIO_AHB] = imx8m_clk_hw_composite("audio_ahb", imx8mp_audio_ahb_sels, ccm_base + 0x9100); - hws[IMX8MP_CLK_MIPI_DSI_ESC_RX] = imx8m_clk_hw_composite("mipi_dsi_esc_rx", imx8mp_mipi_dsi_esc_rx_sels, ccm_base + 0x9200); + hws[IMX8MP_CLK_AUDIO_AHB] = imx8m_clk_hw_composite_bus("audio_ahb", imx8mp_audio_ahb_sels, ccm_base + 0x9100); + hws[IMX8MP_CLK_MIPI_DSI_ESC_RX] = imx8m_clk_hw_composite_bus("mipi_dsi_esc_rx", imx8mp_mipi_dsi_esc_rx_sels, ccm_base + 0x9200); hws[IMX8MP_CLK_IPG_ROOT] = imx_clk_hw_divider2("ipg_root", "ahb_root", ccm_base + 0x9080, 0, 1); hws[IMX8MP_CLK_IPG_AUDIO_ROOT] = imx_clk_hw_divider2("ipg_audio_root", "audio_ahb", ccm_base + 0x9180, 0, 1); @@ -695,8 +698,8 @@ static int imx8mp_clocks_probe(struct platform_device *pdev) hws[IMX8MP_CLK_SDMA1_ROOT] = imx_clk_hw_gate4("sdma1_root_clk", "ipg_root", ccm_base + 0x43a0, 0); hws[IMX8MP_CLK_ENET_QOS_ROOT] = imx_clk_hw_gate4("enet_qos_root_clk", "sim_enet_root_clk", ccm_base + 0x43b0, 0); hws[IMX8MP_CLK_SIM_ENET_ROOT] = imx_clk_hw_gate4("sim_enet_root_clk", "enet_axi", ccm_base + 0x4400, 0); - hws[IMX8MP_CLK_GPU2D_ROOT] = imx_clk_hw_gate4("gpu2d_root_clk", "gpu2d_div", ccm_base + 0x4450, 0); - hws[IMX8MP_CLK_GPU3D_ROOT] = imx_clk_hw_gate4("gpu3d_root_clk", "gpu3d_core_div", ccm_base + 0x4460, 0); + hws[IMX8MP_CLK_GPU2D_ROOT] = imx_clk_hw_gate4("gpu2d_root_clk", "gpu2d_core", ccm_base + 0x4450, 0); + hws[IMX8MP_CLK_GPU3D_ROOT] = imx_clk_hw_gate4("gpu3d_root_clk", "gpu3d_core", ccm_base + 0x4460, 0); hws[IMX8MP_CLK_SNVS_ROOT] = imx_clk_hw_gate4("snvs_root_clk", "ipg_root", ccm_base + 0x4470, 0); hws[IMX8MP_CLK_UART1_ROOT] = imx_clk_hw_gate4("uart1_root_clk", "uart1", ccm_base + 0x4490, 0); hws[IMX8MP_CLK_UART2_ROOT] = imx_clk_hw_gate4("uart2_root_clk", "uart2", ccm_base + 0x44a0, 0); @@ -713,7 +716,7 @@ static int imx8mp_clocks_probe(struct platform_device *pdev) hws[IMX8MP_CLK_GPU_ROOT] = imx_clk_hw_gate4("gpu_root_clk", "gpu_axi", ccm_base + 0x4570, 0); hws[IMX8MP_CLK_VPU_VC8KE_ROOT] = imx_clk_hw_gate4("vpu_vc8ke_root_clk", "vpu_vc8000e", ccm_base + 0x4590, 0); hws[IMX8MP_CLK_VPU_G2_ROOT] = imx_clk_hw_gate4("vpu_g2_root_clk", "vpu_g2", ccm_base + 0x45a0, 0); - hws[IMX8MP_CLK_NPU_ROOT] = imx_clk_hw_gate4("npu_root_clk", "ml_div", ccm_base + 0x45b0, 0); + hws[IMX8MP_CLK_NPU_ROOT] = imx_clk_hw_gate4("npu_root_clk", "ml_core", ccm_base + 0x45b0, 0); hws[IMX8MP_CLK_HSIO_ROOT] = imx_clk_hw_gate4("hsio_root_clk", "ipg_root", ccm_base + 0x45c0, 0); hws[IMX8MP_CLK_MEDIA_APB_ROOT] = imx_clk_hw_gate2_shared2("media_apb_root_clk", "media_apb", ccm_base + 0x45d0, 0, &share_count_media); hws[IMX8MP_CLK_MEDIA_AXI_ROOT] = imx_clk_hw_gate2_shared2("media_axi_root_clk", "media_axi", ccm_base + 0x45d0, 0, &share_count_media); @@ -721,7 +724,7 @@ static int imx8mp_clocks_probe(struct platform_device *pdev) hws[IMX8MP_CLK_MEDIA_CAM2_PIX_ROOT] = imx_clk_hw_gate2_shared2("media_cam2_pix_root_clk", "media_cam2_pix", ccm_base + 0x45d0, 0, &share_count_media); hws[IMX8MP_CLK_MEDIA_DISP1_PIX_ROOT] = imx_clk_hw_gate2_shared2("media_disp1_pix_root_clk", "media_disp1_pix", ccm_base + 0x45d0, 0, &share_count_media); hws[IMX8MP_CLK_MEDIA_DISP2_PIX_ROOT] = imx_clk_hw_gate2_shared2("media_disp2_pix_root_clk", "media_disp2_pix", ccm_base + 0x45d0, 0, &share_count_media); - hws[IMX8MP_CLK_MEDIA_ISP_ROOT] = imx_clk_hw_gate2_shared2("media_isp_root_clk", "media_isp_div", ccm_base + 0x45d0, 0, &share_count_media); + hws[IMX8MP_CLK_MEDIA_ISP_ROOT] = imx_clk_hw_gate2_shared2("media_isp_root_clk", "media_isp", ccm_base + 0x45d0, 0, &share_count_media); hws[IMX8MP_CLK_USDHC3_ROOT] = imx_clk_hw_gate4("usdhc3_root_clk", "usdhc3", ccm_base + 0x45e0, 0); hws[IMX8MP_CLK_HDMI_ROOT] = imx_clk_hw_gate4("hdmi_root_clk", "hdmi_axi", ccm_base + 0x45f0, 0); @@ -735,9 +738,6 @@ static int imx8mp_clocks_probe(struct platform_device *pdev) hws[IMX8MP_ARM_PLL_OUT]->clk, hws[IMX8MP_CLK_A53_DIV]->clk); - clk_hw_set_parent(hws[IMX8MP_CLK_A53_SRC], hws[IMX8MP_SYS_PLL1_800M]); - clk_hw_set_parent(hws[IMX8MP_CLK_A53_CORE], hws[IMX8MP_ARM_PLL_OUT]); - imx_check_clk_hws(hws, IMX8MP_CLK_END); of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_hw_data); diff --git a/drivers/clk/imx/clk-imx8mq.c b/drivers/clk/imx/clk-imx8mq.c index fdc68db68de5..a64aace213c2 100644 --- a/drivers/clk/imx/clk-imx8mq.c +++ b/drivers/clk/imx/clk-imx8mq.c @@ -405,9 +405,9 @@ static int imx8mq_clocks_probe(struct platform_device *pdev) return PTR_ERR(base); /* CORE */ - hws[IMX8MQ_CLK_A53_SRC] = imx_clk_hw_mux2("arm_a53_src", base + 0x8000, 24, 3, imx8mq_a53_sels, ARRAY_SIZE(imx8mq_a53_sels)); - hws[IMX8MQ_CLK_A53_CG] = imx_clk_hw_gate3_flags("arm_a53_cg", "arm_a53_src", base + 0x8000, 28, CLK_IS_CRITICAL); - hws[IMX8MQ_CLK_A53_DIV] = imx_clk_hw_divider2("arm_a53_div", "arm_a53_cg", base + 0x8000, 0, 3); + hws[IMX8MQ_CLK_A53_DIV] = imx8m_clk_hw_composite_core("arm_a53_div", imx8mq_a53_sels, base + 0x8000); + hws[IMX8MQ_CLK_A53_CG] = hws[IMX8MQ_CLK_A53_DIV]; + hws[IMX8MQ_CLK_A53_SRC] = hws[IMX8MQ_CLK_A53_DIV]; hws[IMX8MQ_CLK_M4_CORE] = imx8m_clk_hw_composite_core("arm_m4_core", imx8mq_arm_m4_sels, base + 0x8080); hws[IMX8MQ_CLK_VPU_CORE] = imx8m_clk_hw_composite_core("vpu_core", imx8mq_vpu_sels, base + 0x8100); @@ -432,22 +432,22 @@ static int imx8mq_clocks_probe(struct platform_device *pdev) /* BUS */ hws[IMX8MQ_CLK_MAIN_AXI] = imx8m_clk_hw_composite_critical("main_axi", imx8mq_main_axi_sels, base + 0x8800); - hws[IMX8MQ_CLK_ENET_AXI] = imx8m_clk_hw_composite("enet_axi", imx8mq_enet_axi_sels, base + 0x8880); - hws[IMX8MQ_CLK_NAND_USDHC_BUS] = imx8m_clk_hw_composite("nand_usdhc_bus", imx8mq_nand_usdhc_sels, base + 0x8900); - hws[IMX8MQ_CLK_VPU_BUS] = imx8m_clk_hw_composite("vpu_bus", imx8mq_vpu_bus_sels, base + 0x8980); - hws[IMX8MQ_CLK_DISP_AXI] = imx8m_clk_hw_composite("disp_axi", imx8mq_disp_axi_sels, base + 0x8a00); - hws[IMX8MQ_CLK_DISP_APB] = imx8m_clk_hw_composite("disp_apb", imx8mq_disp_apb_sels, base + 0x8a80); - hws[IMX8MQ_CLK_DISP_RTRM] = imx8m_clk_hw_composite("disp_rtrm", imx8mq_disp_rtrm_sels, base + 0x8b00); - hws[IMX8MQ_CLK_USB_BUS] = imx8m_clk_hw_composite("usb_bus", imx8mq_usb_bus_sels, base + 0x8b80); - hws[IMX8MQ_CLK_GPU_AXI] = imx8m_clk_hw_composite("gpu_axi", imx8mq_gpu_axi_sels, base + 0x8c00); - hws[IMX8MQ_CLK_GPU_AHB] = imx8m_clk_hw_composite("gpu_ahb", imx8mq_gpu_ahb_sels, base + 0x8c80); + hws[IMX8MQ_CLK_ENET_AXI] = imx8m_clk_hw_composite_bus("enet_axi", imx8mq_enet_axi_sels, base + 0x8880); + hws[IMX8MQ_CLK_NAND_USDHC_BUS] = imx8m_clk_hw_composite_bus("nand_usdhc_bus", imx8mq_nand_usdhc_sels, base + 0x8900); + hws[IMX8MQ_CLK_VPU_BUS] = imx8m_clk_hw_composite_bus("vpu_bus", imx8mq_vpu_bus_sels, base + 0x8980); + hws[IMX8MQ_CLK_DISP_AXI] = imx8m_clk_hw_composite_bus("disp_axi", imx8mq_disp_axi_sels, base + 0x8a00); + hws[IMX8MQ_CLK_DISP_APB] = imx8m_clk_hw_composite_bus("disp_apb", imx8mq_disp_apb_sels, base + 0x8a80); + hws[IMX8MQ_CLK_DISP_RTRM] = imx8m_clk_hw_composite_bus("disp_rtrm", imx8mq_disp_rtrm_sels, base + 0x8b00); + hws[IMX8MQ_CLK_USB_BUS] = imx8m_clk_hw_composite_bus("usb_bus", imx8mq_usb_bus_sels, base + 0x8b80); + hws[IMX8MQ_CLK_GPU_AXI] = imx8m_clk_hw_composite_bus("gpu_axi", imx8mq_gpu_axi_sels, base + 0x8c00); + hws[IMX8MQ_CLK_GPU_AHB] = imx8m_clk_hw_composite_bus("gpu_ahb", imx8mq_gpu_ahb_sels, base + 0x8c80); hws[IMX8MQ_CLK_NOC] = imx8m_clk_hw_composite_critical("noc", imx8mq_noc_sels, base + 0x8d00); hws[IMX8MQ_CLK_NOC_APB] = imx8m_clk_hw_composite_critical("noc_apb", imx8mq_noc_apb_sels, base + 0x8d80); /* AHB */ /* AHB clock is used by the AHB bus therefore marked as critical */ hws[IMX8MQ_CLK_AHB] = imx8m_clk_hw_composite_critical("ahb", imx8mq_ahb_sels, base + 0x9000); - hws[IMX8MQ_CLK_AUDIO_AHB] = imx8m_clk_hw_composite("audio_ahb", imx8mq_audio_ahb_sels, base + 0x9100); + hws[IMX8MQ_CLK_AUDIO_AHB] = imx8m_clk_hw_composite_bus("audio_ahb", imx8mq_audio_ahb_sels, base + 0x9100); /* IPG */ hws[IMX8MQ_CLK_IPG_ROOT] = imx_clk_hw_divider2("ipg_root", "ahb", base + 0x9080, 0, 1); @@ -599,9 +599,6 @@ static int imx8mq_clocks_probe(struct platform_device *pdev) hws[IMX8MQ_ARM_PLL_OUT]->clk, hws[IMX8MQ_CLK_A53_DIV]->clk); - clk_hw_set_parent(hws[IMX8MQ_CLK_A53_SRC], hws[IMX8MQ_SYS1_PLL_800M]); - clk_hw_set_parent(hws[IMX8MQ_CLK_A53_CORE], hws[IMX8MQ_ARM_PLL_OUT]); - imx_check_clk_hws(hws, IMX8MQ_CLK_END); err = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_hw_data); diff --git a/drivers/clk/imx/clk-pll14xx.c b/drivers/clk/imx/clk-pll14xx.c index a83bbbee77d9..f9eb189b93c0 100644 --- a/drivers/clk/imx/clk-pll14xx.c +++ b/drivers/clk/imx/clk-pll14xx.c @@ -378,9 +378,9 @@ static const struct clk_ops clk_pll1443x_ops = { .set_rate = clk_pll1443x_set_rate, }; -struct clk_hw *imx_clk_hw_pll14xx(const char *name, const char *parent_name, - void __iomem *base, - const struct imx_pll14xx_clk *pll_clk) +struct clk_hw *imx_dev_clk_hw_pll14xx(struct device *dev, const char *name, + const char *parent_name, void __iomem *base, + const struct imx_pll14xx_clk *pll_clk) { struct clk_pll14xx *pll; struct clk_hw *hw; @@ -426,7 +426,7 @@ struct clk_hw *imx_clk_hw_pll14xx(const char *name, const char *parent_name, hw = &pll->hw; - ret = clk_hw_register(NULL, hw); + ret = clk_hw_register(dev, hw); if (ret) { pr_err("%s: failed to register pll %s %d\n", __func__, name, ret); diff --git a/drivers/clk/imx/clk-pllv3.c b/drivers/clk/imx/clk-pllv3.c index df91a8244fb4..a7db93030e02 100644 --- a/drivers/clk/imx/clk-pllv3.c +++ b/drivers/clk/imx/clk-pllv3.c @@ -7,6 +7,7 @@ #include <linux/clk-provider.h> #include <linux/delay.h> #include <linux/io.h> +#include <linux/iopoll.h> #include <linux/slab.h> #include <linux/jiffies.h> #include <linux/err.h> @@ -25,6 +26,8 @@ #define IMX7_ENET_PLL_POWER (0x1 << 5) #define IMX7_DDR_PLL_POWER (0x1 << 20) +#define PLL_LOCK_TIMEOUT 10000 + /** * struct clk_pllv3 - IMX PLL clock version 3 * @clk_hw: clock source @@ -53,23 +56,14 @@ struct clk_pllv3 { static int clk_pllv3_wait_lock(struct clk_pllv3 *pll) { - unsigned long timeout = jiffies + msecs_to_jiffies(10); u32 val = readl_relaxed(pll->base) & pll->power_bit; /* No need to wait for lock when pll is not powered up */ if ((pll->powerup_set && !val) || (!pll->powerup_set && val)) return 0; - /* Wait for PLL to lock */ - do { - if (readl_relaxed(pll->base) & BM_PLL_LOCK) - break; - if (time_after(jiffies, timeout)) - break; - usleep_range(50, 500); - } while (1); - - return readl_relaxed(pll->base) & BM_PLL_LOCK ? 0 : -ETIMEDOUT; + return readl_relaxed_poll_timeout(pll->base, val, val & BM_PLL_LOCK, + 500, PLL_LOCK_TIMEOUT); } static int clk_pllv3_prepare(struct clk_hw *hw) diff --git a/drivers/clk/imx/clk-sscg-pll.c b/drivers/clk/imx/clk-sscg-pll.c index d4a2be16d132..773d8a545cdf 100644 --- a/drivers/clk/imx/clk-sscg-pll.c +++ b/drivers/clk/imx/clk-sscg-pll.c @@ -72,7 +72,6 @@ struct clk_sscg_pll_setup { int divr2, divf2; int divq; int bypass; - uint64_t vco1; uint64_t vco2; uint64_t fout; @@ -86,11 +85,8 @@ struct clk_sscg_pll_setup { struct clk_sscg_pll { struct clk_hw hw; const struct clk_ops ops; - void __iomem *base; - struct clk_sscg_pll_setup setup; - u8 parent; u8 bypass1; u8 bypass2; @@ -194,7 +190,6 @@ static int clk_sscg_pll2_find_setup(struct clk_sscg_pll_setup *setup, struct clk_sscg_pll_setup *temp_setup, uint64_t ref) { - int ret; if (ref < PLL_STAGE1_MIN_FREQ || ref > PLL_STAGE1_MAX_FREQ) @@ -253,7 +248,6 @@ static int clk_sscg_pll1_find_setup(struct clk_sscg_pll_setup *setup, struct clk_sscg_pll_setup *temp_setup, uint64_t ref) { - int ret; if (ref < PLL_REF_MIN_FREQ || ref > PLL_REF_MAX_FREQ) @@ -280,7 +274,6 @@ static int clk_sscg_pll_find_setup(struct clk_sscg_pll_setup *setup, temp_setup.fout_request = rate; switch (try_bypass) { - case PLL_BYPASS2: if (prate == rate) { setup->bypass = PLL_BYPASS2; @@ -288,11 +281,9 @@ static int clk_sscg_pll_find_setup(struct clk_sscg_pll_setup *setup, ret = 0; } break; - case PLL_BYPASS1: ret = clk_sscg_pll2_find_setup(setup, &temp_setup, prate); break; - case PLL_BYPASS_NONE: ret = clk_sscg_pll1_find_setup(setup, &temp_setup, prate); break; @@ -301,7 +292,6 @@ static int clk_sscg_pll_find_setup(struct clk_sscg_pll_setup *setup, return ret; } - static int clk_sscg_pll_is_prepared(struct clk_hw *hw) { struct clk_sscg_pll *pll = to_clk_sscg_pll(hw); diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h index f074dd8ec42e..16adbc34e05f 100644 --- a/drivers/clk/imx/clk.h +++ b/drivers/clk/imx/clk.h @@ -5,6 +5,8 @@ #include <linux/spinlock.h> #include <linux/clk-provider.h> +#define IMX_CLK_GATE2_SINGLE_BIT 1 + extern spinlock_t imx_ccm_lock; void imx_check_clocks(struct clk *clks[], unsigned int count); @@ -131,9 +133,9 @@ struct clk *imx_clk_pll14xx(const char *name, const char *parent_name, #define imx_clk_pll14xx(name, parent_name, base, pll_clk) \ to_clk(imx_clk_hw_pll14xx(name, parent_name, base, pll_clk)) -struct clk_hw *imx_clk_hw_pll14xx(const char *name, const char *parent_name, - void __iomem *base, - const struct imx_pll14xx_clk *pll_clk); +struct clk_hw *imx_dev_clk_hw_pll14xx(struct device *dev, const char *name, + const char *parent_name, void __iomem *base, + const struct imx_pll14xx_clk *pll_clk); struct clk_hw *imx_clk_hw_pllv1(enum imx_pllv1_type type, const char *name, const char *parent, void __iomem *base); @@ -240,6 +242,13 @@ static inline struct clk *to_clk(struct clk_hw *hw) return hw->clk; } +static inline struct clk_hw *imx_clk_hw_pll14xx(const char *name, const char *parent_name, + void __iomem *base, + const struct imx_pll14xx_clk *pll_clk) +{ + return imx_dev_clk_hw_pll14xx(NULL, name, parent_name, base, pll_clk); +} + static inline struct clk_hw *imx_clk_hw_fixed(const char *name, int rate) { return clk_hw_register_fixed_rate(NULL, name, NULL, 0, rate); @@ -310,6 +319,13 @@ static inline struct clk_hw *imx_clk_hw_gate(const char *name, const char *paren shift, 0, &imx_ccm_lock); } +static inline struct clk_hw *imx_dev_clk_hw_gate(struct device *dev, const char *name, + const char *parent, void __iomem *reg, u8 shift) +{ + return clk_hw_register_gate(dev, name, parent, CLK_SET_RATE_PARENT, reg, + shift, 0, &imx_ccm_lock); +} + static inline struct clk_hw *imx_clk_hw_gate_dis(const char *name, const char *parent, void __iomem *reg, u8 shift) { @@ -355,6 +371,17 @@ static inline struct clk_hw *imx_clk_hw_gate2_shared2(const char *name, &imx_ccm_lock, share_count); } +static inline struct clk_hw *imx_dev_clk_hw_gate_shared(struct device *dev, + const char *name, const char *parent, + void __iomem *reg, u8 shift, + unsigned int *share_count) +{ + return clk_hw_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT | + CLK_OPS_PARENT_ENABLE, reg, shift, 0x3, + IMX_CLK_GATE2_SINGLE_BIT, + &imx_ccm_lock, share_count); +} + static inline struct clk *imx_clk_gate2_cgr(const char *name, const char *parent, void __iomem *reg, u8 shift, u8 cgr_val) { @@ -411,6 +438,15 @@ static inline struct clk_hw *imx_clk_hw_mux(const char *name, void __iomem *reg, width, 0, &imx_ccm_lock); } +static inline struct clk_hw *imx_dev_clk_hw_mux(struct device *dev, + const char *name, void __iomem *reg, u8 shift, + u8 width, const char * const *parents, int num_parents) +{ + return clk_hw_register_mux(dev, name, parents, num_parents, + CLK_SET_RATE_NO_REPARENT | CLK_SET_PARENT_GATE, + reg, shift, width, 0, &imx_ccm_lock); +} + static inline struct clk *imx_clk_mux2(const char *name, void __iomem *reg, u8 shift, u8 width, const char * const *parents, int num_parents) @@ -473,11 +509,25 @@ static inline struct clk_hw *imx_clk_hw_mux_flags(const char *name, reg, shift, width, 0, &imx_ccm_lock); } +static inline struct clk_hw *imx_dev_clk_hw_mux_flags(struct device *dev, + const char *name, + void __iomem *reg, u8 shift, + u8 width, + const char * const *parents, + int num_parents, + unsigned long flags) +{ + return clk_hw_register_mux(dev, name, parents, num_parents, + flags | CLK_SET_RATE_NO_REPARENT, + reg, shift, width, 0, &imx_ccm_lock); +} + struct clk_hw *imx_clk_hw_cpu(const char *name, const char *parent_name, struct clk *div, struct clk *mux, struct clk *pll, struct clk *step); #define IMX_COMPOSITE_CORE BIT(0) +#define IMX_COMPOSITE_BUS BIT(1) struct clk_hw *imx8m_clk_hw_composite_flags(const char *name, const char * const *parent_names, @@ -486,6 +536,12 @@ struct clk_hw *imx8m_clk_hw_composite_flags(const char *name, u32 composite_flags, unsigned long flags); +#define imx8m_clk_hw_composite_bus(name, parent_names, reg) \ + imx8m_clk_hw_composite_flags(name, parent_names, \ + ARRAY_SIZE(parent_names), reg, \ + IMX_COMPOSITE_BUS, \ + CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE) + #define imx8m_clk_hw_composite_core(name, parent_names, reg) \ imx8m_clk_hw_composite_flags(name, parent_names, \ ARRAY_SIZE(parent_names), reg, \ diff --git a/drivers/clk/meson/g12a.c b/drivers/clk/meson/g12a.c index fad616cac01e..30c15766ebb1 100644 --- a/drivers/clk/meson/g12a.c +++ b/drivers/clk/meson/g12a.c @@ -3702,7 +3702,9 @@ static struct clk_regmap g12a_hdmi = { /* * The MALI IP is clocked by two identical clocks (mali_0 and mali_1) - * muxed by a glitch-free switch. + * muxed by a glitch-free switch. The CCF can manage this glitch-free + * mux because it does top-to-bottom updates the each clock tree and + * switches to the "inactive" one when CLK_SET_RATE_GATE is set. */ static const struct clk_parent_data g12a_mali_0_1_parent_data[] = { { .fw_name = "xtal", }, @@ -3726,7 +3728,13 @@ static struct clk_regmap g12a_mali_0_sel = { .ops = &clk_regmap_mux_ops, .parent_data = g12a_mali_0_1_parent_data, .num_parents = 8, - .flags = CLK_SET_RATE_NO_REPARENT, + /* + * Don't request the parent to change the rate because + * all GPU frequencies can be derived from the fclk_* + * clocks and one special GP0_PLL setting. This is + * important because we need the MPLL clocks for audio. + */ + .flags = 0, }, }; @@ -3743,7 +3751,7 @@ static struct clk_regmap g12a_mali_0_div = { &g12a_mali_0_sel.hw }, .num_parents = 1, - .flags = CLK_SET_RATE_NO_REPARENT, + .flags = CLK_SET_RATE_PARENT, }, }; @@ -3759,7 +3767,7 @@ static struct clk_regmap g12a_mali_0 = { &g12a_mali_0_div.hw }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_GATE | CLK_SET_RATE_PARENT, }, }; @@ -3774,7 +3782,13 @@ static struct clk_regmap g12a_mali_1_sel = { .ops = &clk_regmap_mux_ops, .parent_data = g12a_mali_0_1_parent_data, .num_parents = 8, - .flags = CLK_SET_RATE_NO_REPARENT, + /* + * Don't request the parent to change the rate because + * all GPU frequencies can be derived from the fclk_* + * clocks and one special GP0_PLL setting. This is + * important because we need the MPLL clocks for audio. + */ + .flags = 0, }, }; @@ -3791,7 +3805,7 @@ static struct clk_regmap g12a_mali_1_div = { &g12a_mali_1_sel.hw }, .num_parents = 1, - .flags = CLK_SET_RATE_NO_REPARENT, + .flags = CLK_SET_RATE_PARENT, }, }; @@ -3807,7 +3821,7 @@ static struct clk_regmap g12a_mali_1 = { &g12a_mali_1_div.hw }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_GATE | CLK_SET_RATE_PARENT, }, }; @@ -3827,7 +3841,7 @@ static struct clk_regmap g12a_mali = { .ops = &clk_regmap_mux_ops, .parent_hws = g12a_mali_parent_hws, .num_parents = 2, - .flags = CLK_SET_RATE_NO_REPARENT, + .flags = CLK_SET_RATE_PARENT, }, }; diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c index 5fd6a574f8c3..0a68af6eec3d 100644 --- a/drivers/clk/meson/gxbb.c +++ b/drivers/clk/meson/gxbb.c @@ -957,7 +957,9 @@ static struct clk_regmap gxbb_sar_adc_clk = { /* * The MALI IP is clocked by two identical clocks (mali_0 and mali_1) - * muxed by a glitch-free switch. + * muxed by a glitch-free switch. The CCF can manage this glitch-free + * mux because it does top-to-bottom updates the each clock tree and + * switches to the "inactive" one when CLK_SET_RATE_GATE is set. */ static const struct clk_parent_data gxbb_mali_0_1_parent_data[] = { @@ -980,14 +982,15 @@ static struct clk_regmap gxbb_mali_0_sel = { .hw.init = &(struct clk_init_data){ .name = "mali_0_sel", .ops = &clk_regmap_mux_ops, - /* - * bits 10:9 selects from 8 possible parents: - * xtal, gp0_pll, mpll2, mpll1, fclk_div7, - * fclk_div4, fclk_div3, fclk_div5 - */ .parent_data = gxbb_mali_0_1_parent_data, .num_parents = 8, - .flags = CLK_SET_RATE_NO_REPARENT, + /* + * Don't request the parent to change the rate because + * all GPU frequencies can be derived from the fclk_* + * clocks and one special GP0_PLL setting. This is + * important because we need the MPLL clocks for audio. + */ + .flags = 0, }, }; @@ -1004,7 +1007,7 @@ static struct clk_regmap gxbb_mali_0_div = { &gxbb_mali_0_sel.hw }, .num_parents = 1, - .flags = CLK_SET_RATE_NO_REPARENT, + .flags = CLK_SET_RATE_PARENT, }, }; @@ -1020,7 +1023,7 @@ static struct clk_regmap gxbb_mali_0 = { &gxbb_mali_0_div.hw }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_GATE | CLK_SET_RATE_PARENT, }, }; @@ -1033,14 +1036,15 @@ static struct clk_regmap gxbb_mali_1_sel = { .hw.init = &(struct clk_init_data){ .name = "mali_1_sel", .ops = &clk_regmap_mux_ops, - /* - * bits 10:9 selects from 8 possible parents: - * xtal, gp0_pll, mpll2, mpll1, fclk_div7, - * fclk_div4, fclk_div3, fclk_div5 - */ .parent_data = gxbb_mali_0_1_parent_data, .num_parents = 8, - .flags = CLK_SET_RATE_NO_REPARENT, + /* + * Don't request the parent to change the rate because + * all GPU frequencies can be derived from the fclk_* + * clocks and one special GP0_PLL setting. This is + * important because we need the MPLL clocks for audio. + */ + .flags = 0, }, }; @@ -1057,7 +1061,7 @@ static struct clk_regmap gxbb_mali_1_div = { &gxbb_mali_1_sel.hw }, .num_parents = 1, - .flags = CLK_SET_RATE_NO_REPARENT, + .flags = CLK_SET_RATE_PARENT, }, }; @@ -1073,7 +1077,7 @@ static struct clk_regmap gxbb_mali_1 = { &gxbb_mali_1_div.hw }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_GATE | CLK_SET_RATE_PARENT, }, }; @@ -1093,7 +1097,7 @@ static struct clk_regmap gxbb_mali = { .ops = &clk_regmap_mux_ops, .parent_hws = gxbb_mali_parent_hws, .num_parents = 2, - .flags = CLK_SET_RATE_NO_REPARENT, + .flags = CLK_SET_RATE_PARENT, }, }; diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c index 34a70c4b4899..edc09d050ecf 100644 --- a/drivers/clk/meson/meson8b.c +++ b/drivers/clk/meson/meson8b.c @@ -1077,7 +1077,7 @@ static struct clk_regmap meson8b_vid_pll_in_sel = { * Meson8m2: vid2_pll */ .parent_hws = (const struct clk_hw *[]) { - &meson8b_hdmi_pll_dco.hw + &meson8b_hdmi_pll_lvds_out.hw }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, @@ -1213,7 +1213,7 @@ static struct clk_regmap meson8b_vclk_in_en = { static struct clk_regmap meson8b_vclk_div1_gate = { .data = &(struct clk_regmap_gate_data){ - .offset = HHI_VID_CLK_DIV, + .offset = HHI_VID_CLK_CNTL, .bit_idx = 0, }, .hw.init = &(struct clk_init_data){ @@ -1243,7 +1243,7 @@ static struct clk_fixed_factor meson8b_vclk_div2_div = { static struct clk_regmap meson8b_vclk_div2_div_gate = { .data = &(struct clk_regmap_gate_data){ - .offset = HHI_VID_CLK_DIV, + .offset = HHI_VID_CLK_CNTL, .bit_idx = 1, }, .hw.init = &(struct clk_init_data){ @@ -1273,7 +1273,7 @@ static struct clk_fixed_factor meson8b_vclk_div4_div = { static struct clk_regmap meson8b_vclk_div4_div_gate = { .data = &(struct clk_regmap_gate_data){ - .offset = HHI_VID_CLK_DIV, + .offset = HHI_VID_CLK_CNTL, .bit_idx = 2, }, .hw.init = &(struct clk_init_data){ @@ -1303,7 +1303,7 @@ static struct clk_fixed_factor meson8b_vclk_div6_div = { static struct clk_regmap meson8b_vclk_div6_div_gate = { .data = &(struct clk_regmap_gate_data){ - .offset = HHI_VID_CLK_DIV, + .offset = HHI_VID_CLK_CNTL, .bit_idx = 3, }, .hw.init = &(struct clk_init_data){ @@ -1333,7 +1333,7 @@ static struct clk_fixed_factor meson8b_vclk_div12_div = { static struct clk_regmap meson8b_vclk_div12_div_gate = { .data = &(struct clk_regmap_gate_data){ - .offset = HHI_VID_CLK_DIV, + .offset = HHI_VID_CLK_CNTL, .bit_idx = 4, }, .hw.init = &(struct clk_init_data){ @@ -1725,7 +1725,7 @@ static struct clk_regmap meson8b_hdmi_sys_sel = { }, .hw.init = &(struct clk_init_data){ .name = "hdmi_sys_sel", - .ops = &clk_regmap_mux_ro_ops, + .ops = &clk_regmap_mux_ops, /* FIXME: all other parents are unknown */ .parent_data = &(const struct clk_parent_data) { .fw_name = "xtal", @@ -1745,7 +1745,7 @@ static struct clk_regmap meson8b_hdmi_sys_div = { }, .hw.init = &(struct clk_init_data){ .name = "hdmi_sys_div", - .ops = &clk_regmap_divider_ro_ops, + .ops = &clk_regmap_divider_ops, .parent_hws = (const struct clk_hw *[]) { &meson8b_hdmi_sys_sel.hw }, @@ -1761,7 +1761,7 @@ static struct clk_regmap meson8b_hdmi_sys = { }, .hw.init = &(struct clk_init_data) { .name = "hdmi_sys", - .ops = &clk_regmap_gate_ro_ops, + .ops = &clk_regmap_gate_ops, .parent_hws = (const struct clk_hw *[]) { &meson8b_hdmi_sys_div.hw }, @@ -1918,6 +1918,13 @@ static struct clk_regmap meson8b_mali = { }, }; +static const struct reg_sequence meson8m2_gp_pll_init_regs[] = { + { .reg = HHI_GP_PLL_CNTL2, .def = 0x59c88000 }, + { .reg = HHI_GP_PLL_CNTL3, .def = 0xca463823 }, + { .reg = HHI_GP_PLL_CNTL4, .def = 0x0286a027 }, + { .reg = HHI_GP_PLL_CNTL5, .def = 0x00003000 }, +}; + static const struct pll_params_table meson8m2_gp_pll_params_table[] = { PLL_PARAMS(182, 3), { /* sentinel */ }, @@ -1951,6 +1958,8 @@ static struct clk_regmap meson8m2_gp_pll_dco = { .width = 1, }, .table = meson8m2_gp_pll_params_table, + .init_regs = meson8m2_gp_pll_init_regs, + .init_count = ARRAY_SIZE(meson8m2_gp_pll_init_regs), }, .hw.init = &(struct clk_init_data){ .name = "gp_pll_dco", @@ -2063,7 +2072,7 @@ static struct clk_regmap meson8b_vpu_0 = { &meson8b_vpu_0_div.hw }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_GATE | CLK_SET_RATE_PARENT, }, }; @@ -2134,10 +2143,18 @@ static struct clk_regmap meson8b_vpu_1 = { &meson8b_vpu_1_div.hw }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_GATE | CLK_SET_RATE_PARENT, }, }; +/* + * The VPU clock has two two identical clock trees (vpu_0 and vpu_1) + * muxed by a glitch-free switch on Meson8b and Meson8m2. The CCF can + * actually manage this glitch-free mux because it does top-to-bottom + * updates the each clock tree and switches to the "inactive" one when + * CLK_SET_RATE_GATE is set. + * Meson8 only has vpu_0 and no glitch-free mux. + */ static struct clk_regmap meson8b_vpu = { .data = &(struct clk_regmap_mux_data){ .offset = HHI_VPU_CLK_CNTL, @@ -2152,7 +2169,7 @@ static struct clk_regmap meson8b_vpu = { &meson8b_vpu_1.hw, }, .num_parents = 2, - .flags = CLK_SET_RATE_NO_REPARENT, + .flags = CLK_SET_RATE_PARENT, }, }; @@ -3506,54 +3523,87 @@ static struct clk_regmap *const meson8b_clk_regmaps[] = { static const struct meson8b_clk_reset_line { u32 reg; u8 bit_idx; + bool active_low; } meson8b_clk_reset_bits[] = { [CLKC_RESET_L2_CACHE_SOFT_RESET] = { - .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 30 + .reg = HHI_SYS_CPU_CLK_CNTL0, + .bit_idx = 30, + .active_low = false, }, [CLKC_RESET_AXI_64_TO_128_BRIDGE_A5_SOFT_RESET] = { - .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 29 + .reg = HHI_SYS_CPU_CLK_CNTL0, + .bit_idx = 29, + .active_low = false, }, [CLKC_RESET_SCU_SOFT_RESET] = { - .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 28 + .reg = HHI_SYS_CPU_CLK_CNTL0, + .bit_idx = 28, + .active_low = false, }, [CLKC_RESET_CPU3_SOFT_RESET] = { - .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 27 + .reg = HHI_SYS_CPU_CLK_CNTL0, + .bit_idx = 27, + .active_low = false, }, [CLKC_RESET_CPU2_SOFT_RESET] = { - .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 26 + .reg = HHI_SYS_CPU_CLK_CNTL0, + .bit_idx = 26, + .active_low = false, }, [CLKC_RESET_CPU1_SOFT_RESET] = { - .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 25 + .reg = HHI_SYS_CPU_CLK_CNTL0, + .bit_idx = 25, + .active_low = false, }, [CLKC_RESET_CPU0_SOFT_RESET] = { - .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 24 + .reg = HHI_SYS_CPU_CLK_CNTL0, + .bit_idx = 24, + .active_low = false, }, [CLKC_RESET_A5_GLOBAL_RESET] = { - .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 18 + .reg = HHI_SYS_CPU_CLK_CNTL0, + .bit_idx = 18, + .active_low = false, }, [CLKC_RESET_A5_AXI_SOFT_RESET] = { - .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 17 + .reg = HHI_SYS_CPU_CLK_CNTL0, + .bit_idx = 17, + .active_low = false, }, [CLKC_RESET_A5_ABP_SOFT_RESET] = { - .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 16 + .reg = HHI_SYS_CPU_CLK_CNTL0, + .bit_idx = 16, + .active_low = false, }, [CLKC_RESET_AXI_64_TO_128_BRIDGE_MMC_SOFT_RESET] = { - .reg = HHI_SYS_CPU_CLK_CNTL1, .bit_idx = 30 + .reg = HHI_SYS_CPU_CLK_CNTL1, + .bit_idx = 30, + .active_low = false, }, [CLKC_RESET_VID_CLK_CNTL_SOFT_RESET] = { - .reg = HHI_VID_CLK_CNTL, .bit_idx = 15 + .reg = HHI_VID_CLK_CNTL, + .bit_idx = 15, + .active_low = false, }, [CLKC_RESET_VID_DIVIDER_CNTL_SOFT_RESET_POST] = { - .reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 7 + .reg = HHI_VID_DIVIDER_CNTL, + .bit_idx = 7, + .active_low = false, }, [CLKC_RESET_VID_DIVIDER_CNTL_SOFT_RESET_PRE] = { - .reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 3 + .reg = HHI_VID_DIVIDER_CNTL, + .bit_idx = 3, + .active_low = false, }, [CLKC_RESET_VID_DIVIDER_CNTL_RESET_N_POST] = { - .reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 1 + .reg = HHI_VID_DIVIDER_CNTL, + .bit_idx = 1, + .active_low = true, }, [CLKC_RESET_VID_DIVIDER_CNTL_RESET_N_PRE] = { - .reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 0 + .reg = HHI_VID_DIVIDER_CNTL, + .bit_idx = 0, + .active_low = true, }, }; @@ -3562,22 +3612,22 @@ static int meson8b_clk_reset_update(struct reset_controller_dev *rcdev, { struct meson8b_clk_reset *meson8b_clk_reset = container_of(rcdev, struct meson8b_clk_reset, reset); - unsigned long flags; const struct meson8b_clk_reset_line *reset; + unsigned int value = 0; + unsigned long flags; if (id >= ARRAY_SIZE(meson8b_clk_reset_bits)) return -EINVAL; reset = &meson8b_clk_reset_bits[id]; + if (assert != reset->active_low) + value = BIT(reset->bit_idx); + spin_lock_irqsave(&meson_clk_lock, flags); - if (assert) - regmap_update_bits(meson8b_clk_reset->regmap, reset->reg, - BIT(reset->bit_idx), BIT(reset->bit_idx)); - else - regmap_update_bits(meson8b_clk_reset->regmap, reset->reg, - BIT(reset->bit_idx), 0); + regmap_update_bits(meson8b_clk_reset->regmap, reset->reg, + BIT(reset->bit_idx), value); spin_unlock_irqrestore(&meson_clk_lock, flags); diff --git a/drivers/clk/meson/meson8b.h b/drivers/clk/meson/meson8b.h index c889fbeec30f..cd38ae2a9cb5 100644 --- a/drivers/clk/meson/meson8b.h +++ b/drivers/clk/meson/meson8b.h @@ -20,6 +20,10 @@ * [0] http://dn.odroid.com/S805/Datasheet/S805_Datasheet%20V0.8%2020150126.pdf */ #define HHI_GP_PLL_CNTL 0x40 /* 0x10 offset in data sheet */ +#define HHI_GP_PLL_CNTL2 0x44 /* 0x11 offset in data sheet */ +#define HHI_GP_PLL_CNTL3 0x48 /* 0x12 offset in data sheet */ +#define HHI_GP_PLL_CNTL4 0x4C /* 0x13 offset in data sheet */ +#define HHI_GP_PLL_CNTL5 0x50 /* 0x14 offset in data sheet */ #define HHI_VIID_CLK_DIV 0x128 /* 0x4a offset in data sheet */ #define HHI_VIID_CLK_CNTL 0x12c /* 0x4b offset in data sheet */ #define HHI_GCLK_MPEG0 0x140 /* 0x50 offset in data sheet */ @@ -146,7 +150,6 @@ #define CLKID_CTS_VDAC0 171 #define CLKID_HDMI_SYS_SEL 172 #define CLKID_HDMI_SYS_DIV 173 -#define CLKID_HDMI_SYS 174 #define CLKID_MALI_0_SEL 175 #define CLKID_MALI_0_DIV 176 #define CLKID_MALI_0 177 diff --git a/drivers/clk/renesas/Kconfig b/drivers/clk/renesas/Kconfig index ac2dd92ce2ef..9eb79bf90643 100644 --- a/drivers/clk/renesas/Kconfig +++ b/drivers/clk/renesas/Kconfig @@ -8,6 +8,7 @@ config CLK_RENESAS select CLK_R7S9210 if ARCH_R7S9210 select CLK_R8A73A4 if ARCH_R8A73A4 select CLK_R8A7740 if ARCH_R8A7740 + select CLK_R8A7742 if ARCH_R8A7742 select CLK_R8A7743 if ARCH_R8A7743 || ARCH_R8A7744 select CLK_R8A7745 if ARCH_R8A7745 select CLK_R8A77470 if ARCH_R8A77470 @@ -55,6 +56,10 @@ config CLK_R8A7740 select CLK_RENESAS_CPG_MSTP select CLK_RENESAS_DIV6 +config CLK_R8A7742 + bool "RZ/G1H clock support" if COMPILE_TEST + select CLK_RCAR_GEN2_CPG + config CLK_R8A7743 bool "RZ/G1M clock support" if COMPILE_TEST select CLK_RCAR_GEN2_CPG @@ -90,12 +95,10 @@ config CLK_R8A7779 config CLK_R8A7790 bool "R-Car H2 clock support" if COMPILE_TEST select CLK_RCAR_GEN2_CPG - select CLK_RENESAS_DIV6 config CLK_R8A7791 bool "R-Car M2-W/N clock support" if COMPILE_TEST select CLK_RCAR_GEN2_CPG - select CLK_RENESAS_DIV6 config CLK_R8A7792 bool "R-Car V2H clock support" if COMPILE_TEST @@ -104,7 +107,6 @@ config CLK_R8A7792 config CLK_R8A7794 bool "R-Car E2 clock support" if COMPILE_TEST select CLK_RCAR_GEN2_CPG - select CLK_RENESAS_DIV6 config CLK_R8A7795 bool "R-Car H3 clock support" if COMPILE_TEST diff --git a/drivers/clk/renesas/Makefile b/drivers/clk/renesas/Makefile index 4a722bc5aac7..a4066f9b34ef 100644 --- a/drivers/clk/renesas/Makefile +++ b/drivers/clk/renesas/Makefile @@ -5,6 +5,7 @@ obj-$(CONFIG_CLK_RZA1) += clk-rz.o obj-$(CONFIG_CLK_R7S9210) += r7s9210-cpg-mssr.o obj-$(CONFIG_CLK_R8A73A4) += clk-r8a73a4.o obj-$(CONFIG_CLK_R8A7740) += clk-r8a7740.o +obj-$(CONFIG_CLK_R8A7742) += r8a7742-cpg-mssr.o obj-$(CONFIG_CLK_R8A7743) += r8a7743-cpg-mssr.o obj-$(CONFIG_CLK_R8A7745) += r8a7745-cpg-mssr.o obj-$(CONFIG_CLK_R8A77470) += r8a77470-cpg-mssr.o diff --git a/drivers/clk/renesas/r8a7742-cpg-mssr.c b/drivers/clk/renesas/r8a7742-cpg-mssr.c new file mode 100644 index 000000000000..e919828668a4 --- /dev/null +++ b/drivers/clk/renesas/r8a7742-cpg-mssr.c @@ -0,0 +1,275 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a7742 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2020 Renesas Electronics Corp. + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a7742-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen2-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A7742_CLK_OSC, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_USB_EXTAL, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL3, + CLK_PLL1_DIV2, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a7742_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("usb_extal", CLK_USB_EXTAL), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN2_MAIN, CLK_EXTAL), + DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN2_PLL0, CLK_MAIN), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN2_PLL1, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN2_PLL3, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + + /* Core Clock Outputs */ + DEF_BASE("z", R8A7742_CLK_Z, CLK_TYPE_GEN2_Z, CLK_PLL0), + DEF_BASE("lb", R8A7742_CLK_LB, CLK_TYPE_GEN2_LB, CLK_PLL1), + DEF_BASE("sdh", R8A7742_CLK_SDH, CLK_TYPE_GEN2_SDH, CLK_PLL1), + DEF_BASE("sd0", R8A7742_CLK_SD0, CLK_TYPE_GEN2_SD0, CLK_PLL1), + DEF_BASE("sd1", R8A7742_CLK_SD1, CLK_TYPE_GEN2_SD1, CLK_PLL1), + DEF_BASE("qspi", R8A7742_CLK_QSPI, CLK_TYPE_GEN2_QSPI, CLK_PLL1_DIV2), + DEF_BASE("rcan", R8A7742_CLK_RCAN, CLK_TYPE_GEN2_RCAN, CLK_USB_EXTAL), + + DEF_FIXED("z2", R8A7742_CLK_Z2, CLK_PLL1, 2, 1), + DEF_FIXED("zg", R8A7742_CLK_ZG, CLK_PLL1, 3, 1), + DEF_FIXED("zx", R8A7742_CLK_ZX, CLK_PLL1, 3, 1), + DEF_FIXED("zs", R8A7742_CLK_ZS, CLK_PLL1, 6, 1), + DEF_FIXED("hp", R8A7742_CLK_HP, CLK_PLL1, 12, 1), + DEF_FIXED("b", R8A7742_CLK_B, CLK_PLL1, 12, 1), + DEF_FIXED("p", R8A7742_CLK_P, CLK_PLL1, 24, 1), + DEF_FIXED("cl", R8A7742_CLK_CL, CLK_PLL1, 48, 1), + DEF_FIXED("m2", R8A7742_CLK_M2, CLK_PLL1, 8, 1), + DEF_FIXED("zb3", R8A7742_CLK_ZB3, CLK_PLL3, 4, 1), + DEF_FIXED("zb3d2", R8A7742_CLK_ZB3D2, CLK_PLL3, 8, 1), + DEF_FIXED("ddr", R8A7742_CLK_DDR, CLK_PLL3, 8, 1), + DEF_FIXED("mp", R8A7742_CLK_MP, CLK_PLL1_DIV2, 15, 1), + DEF_FIXED("cp", R8A7742_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("r", R8A7742_CLK_R, CLK_PLL1, 49152, 1), + DEF_FIXED("osc", R8A7742_CLK_OSC, CLK_PLL1, 12288, 1), + + DEF_DIV6P1("sd2", R8A7742_CLK_SD2, CLK_PLL1_DIV2, 0x078), + DEF_DIV6P1("sd3", R8A7742_CLK_SD3, CLK_PLL1_DIV2, 0x26c), + DEF_DIV6P1("mmc0", R8A7742_CLK_MMC0, CLK_PLL1_DIV2, 0x240), + DEF_DIV6P1("mmc1", R8A7742_CLK_MMC1, CLK_PLL1_DIV2, 0x244), +}; + +static const struct mssr_mod_clk r8a7742_mod_clks[] __initconst = { + DEF_MOD("msiof0", 0, R8A7742_CLK_MP), + DEF_MOD("vcp1", 100, R8A7742_CLK_ZS), + DEF_MOD("vcp0", 101, R8A7742_CLK_ZS), + DEF_MOD("vpc1", 102, R8A7742_CLK_ZS), + DEF_MOD("vpc0", 103, R8A7742_CLK_ZS), + DEF_MOD("tmu1", 111, R8A7742_CLK_P), + DEF_MOD("3dg", 112, R8A7742_CLK_ZG), + DEF_MOD("2d-dmac", 115, R8A7742_CLK_ZS), + DEF_MOD("fdp1-2", 117, R8A7742_CLK_ZS), + DEF_MOD("fdp1-1", 118, R8A7742_CLK_ZS), + DEF_MOD("fdp1-0", 119, R8A7742_CLK_ZS), + DEF_MOD("tmu3", 121, R8A7742_CLK_P), + DEF_MOD("tmu2", 122, R8A7742_CLK_P), + DEF_MOD("cmt0", 124, R8A7742_CLK_R), + DEF_MOD("tmu0", 125, R8A7742_CLK_CP), + DEF_MOD("vsp1du1", 127, R8A7742_CLK_ZS), + DEF_MOD("vsp1du0", 128, R8A7742_CLK_ZS), + DEF_MOD("vsp1-sy", 131, R8A7742_CLK_ZS), + DEF_MOD("scifa2", 202, R8A7742_CLK_MP), + DEF_MOD("scifa1", 203, R8A7742_CLK_MP), + DEF_MOD("scifa0", 204, R8A7742_CLK_MP), + DEF_MOD("msiof2", 205, R8A7742_CLK_MP), + DEF_MOD("scifb0", 206, R8A7742_CLK_MP), + DEF_MOD("scifb1", 207, R8A7742_CLK_MP), + DEF_MOD("msiof1", 208, R8A7742_CLK_MP), + DEF_MOD("msiof3", 215, R8A7742_CLK_MP), + DEF_MOD("scifb2", 216, R8A7742_CLK_MP), + DEF_MOD("sys-dmac1", 218, R8A7742_CLK_ZS), + DEF_MOD("sys-dmac0", 219, R8A7742_CLK_ZS), + DEF_MOD("iic2", 300, R8A7742_CLK_HP), + DEF_MOD("tpu0", 304, R8A7742_CLK_CP), + DEF_MOD("mmcif1", 305, R8A7742_CLK_MMC1), + DEF_MOD("scif2", 310, R8A7742_CLK_P), + DEF_MOD("sdhi3", 311, R8A7742_CLK_SD3), + DEF_MOD("sdhi2", 312, R8A7742_CLK_SD2), + DEF_MOD("sdhi1", 313, R8A7742_CLK_SD1), + DEF_MOD("sdhi0", 314, R8A7742_CLK_SD0), + DEF_MOD("mmcif0", 315, R8A7742_CLK_MMC0), + DEF_MOD("iic0", 318, R8A7742_CLK_HP), + DEF_MOD("pciec", 319, R8A7742_CLK_MP), + DEF_MOD("iic1", 323, R8A7742_CLK_HP), + DEF_MOD("usb3.0", 328, R8A7742_CLK_MP), + DEF_MOD("cmt1", 329, R8A7742_CLK_R), + DEF_MOD("usbhs-dmac0", 330, R8A7742_CLK_HP), + DEF_MOD("usbhs-dmac1", 331, R8A7742_CLK_HP), + DEF_MOD("rwdt", 402, R8A7742_CLK_R), + DEF_MOD("irqc", 407, R8A7742_CLK_CP), + DEF_MOD("intc-sys", 408, R8A7742_CLK_ZS), + DEF_MOD("audio-dmac1", 501, R8A7742_CLK_HP), + DEF_MOD("audio-dmac0", 502, R8A7742_CLK_HP), + DEF_MOD("thermal", 522, CLK_EXTAL), + DEF_MOD("pwm", 523, R8A7742_CLK_P), + DEF_MOD("usb-ehci", 703, R8A7742_CLK_MP), + DEF_MOD("usbhs", 704, R8A7742_CLK_HP), + DEF_MOD("hscif1", 716, R8A7742_CLK_ZS), + DEF_MOD("hscif0", 717, R8A7742_CLK_ZS), + DEF_MOD("scif1", 720, R8A7742_CLK_P), + DEF_MOD("scif0", 721, R8A7742_CLK_P), + DEF_MOD("du2", 722, R8A7742_CLK_ZX), + DEF_MOD("du1", 723, R8A7742_CLK_ZX), + DEF_MOD("du0", 724, R8A7742_CLK_ZX), + DEF_MOD("lvds1", 725, R8A7742_CLK_ZX), + DEF_MOD("lvds0", 726, R8A7742_CLK_ZX), + DEF_MOD("r-gp2d", 807, R8A7742_CLK_ZX), + DEF_MOD("vin3", 808, R8A7742_CLK_ZG), + DEF_MOD("vin2", 809, R8A7742_CLK_ZG), + DEF_MOD("vin1", 810, R8A7742_CLK_ZG), + DEF_MOD("vin0", 811, R8A7742_CLK_ZG), + DEF_MOD("etheravb", 812, R8A7742_CLK_HP), + DEF_MOD("ether", 813, R8A7742_CLK_P), + DEF_MOD("sata1", 814, R8A7742_CLK_ZS), + DEF_MOD("sata0", 815, R8A7742_CLK_ZS), + DEF_MOD("imr-x2-1", 820, R8A7742_CLK_ZG), + DEF_MOD("imr-x2-0", 821, R8A7742_CLK_HP), + DEF_MOD("imr-lsx2-1", 822, R8A7742_CLK_P), + DEF_MOD("imr-lsx2-0", 823, R8A7742_CLK_ZS), + DEF_MOD("gpio5", 907, R8A7742_CLK_CP), + DEF_MOD("gpio4", 908, R8A7742_CLK_CP), + DEF_MOD("gpio3", 909, R8A7742_CLK_CP), + DEF_MOD("gpio2", 910, R8A7742_CLK_CP), + DEF_MOD("gpio1", 911, R8A7742_CLK_CP), + DEF_MOD("gpio0", 912, R8A7742_CLK_CP), + DEF_MOD("can1", 915, R8A7742_CLK_P), + DEF_MOD("can0", 916, R8A7742_CLK_P), + DEF_MOD("qspi_mod", 917, R8A7742_CLK_QSPI), + DEF_MOD("iicdvfs", 926, R8A7742_CLK_CP), + DEF_MOD("i2c3", 928, R8A7742_CLK_HP), + DEF_MOD("i2c2", 929, R8A7742_CLK_HP), + DEF_MOD("i2c1", 930, R8A7742_CLK_HP), + DEF_MOD("i2c0", 931, R8A7742_CLK_HP), + DEF_MOD("ssi-all", 1005, R8A7742_CLK_P), + DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), + DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), + DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), + DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), + DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), + DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), + DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), + DEF_MOD("scu-all", 1017, R8A7742_CLK_P), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)), + DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)), + DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), + DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), + DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), + DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), + DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), + DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)), +}; + +static const unsigned int r8a7742_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ + MOD_CLK_ID(408), /* INTC-SYS (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL3 + * 14 13 19 (MHz) *1 *1 + *--------------------------------------------------- + * 0 0 0 15 x172/2 x208/2 x106 + * 0 0 1 15 x172/2 x208/2 x88 + * 0 1 0 20 x130/2 x156/2 x80 + * 0 1 1 20 x130/2 x156/2 x66 + * 1 0 0 26 / 2 x200/2 x240/2 x122 + * 1 0 1 26 / 2 x200/2 x240/2 x102 + * 1 1 0 30 / 2 x172/2 x208/2 x106 + * 1 1 1 30 / 2 x172/2 x208/2 x88 + * + * *1 : Table 7.5a indicates VCO output (PLLx = VCO/2) + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 12) | \ + (((md) & BIT(13)) >> 12) | \ + (((md) & BIT(19)) >> 19)) + +static const struct rcar_gen2_cpg_pll_config cpg_pll_configs[8] __initconst = { + /* EXTAL div PLL1 mult PLL3 mult */ + { 1, 208, 106, }, + { 1, 208, 88, }, + { 1, 156, 80, }, + { 1, 156, 66, }, + { 2, 240, 122, }, + { 2, 240, 102, }, + { 2, 208, 106, }, + { 2, 208, 88, }, +}; + +static int __init r8a7742_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen2_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + + return rcar_gen2_cpg_init(cpg_pll_config, 2, cpg_mode); +} + +const struct cpg_mssr_info r8a7742_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a7742_core_clks, + .num_core_clks = ARRAY_SIZE(r8a7742_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a7742_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a7742_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a7742_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a7742_crit_mod_clks), + + /* Callbacks */ + .init = r8a7742_cpg_mssr_init, + .cpg_clk_register = rcar_gen2_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r9a06g032-clocks.c b/drivers/clk/renesas/r9a06g032-clocks.c index 1907ee195a08..d900f6bf53d0 100644 --- a/drivers/clk/renesas/r9a06g032-clocks.c +++ b/drivers/clk/renesas/r9a06g032-clocks.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * R9A09G032 clock driver + * R9A06G032 clock driver * * Copyright (C) 2018 Renesas Electronics Europe Limited * @@ -338,8 +338,8 @@ clk_rdesc_get(struct r9a06g032_priv *clocks, } /* - * This implements the R9A09G032 clock gate 'driver'. We cannot use the system's - * clock gate framework as the gates on the R9A09G032 have a special enabling + * This implements the R9A06G032 clock gate 'driver'. We cannot use the system's + * clock gate framework as the gates on the R9A06G032 have a special enabling * sequence, therefore we use this little proxy. */ struct r9a06g032_clk_gate { diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c index a2663fbbd7a5..dcb6e2706d37 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.c +++ b/drivers/clk/renesas/renesas-cpg-mssr.c @@ -673,6 +673,12 @@ static const struct of_device_id cpg_mssr_match[] = { .data = &r7s9210_cpg_mssr_info, }, #endif +#ifdef CONFIG_CLK_R8A7742 + { + .compatible = "renesas,r8a7742-cpg-mssr", + .data = &r8a7742_cpg_mssr_info, + }, +#endif #ifdef CONFIG_CLK_R8A7743 { .compatible = "renesas,r8a7743-cpg-mssr", @@ -812,7 +818,8 @@ static int cpg_mssr_suspend_noirq(struct device *dev) /* Save module registers with bits under our control */ for (reg = 0; reg < ARRAY_SIZE(priv->smstpcr_saved); reg++) { if (priv->smstpcr_saved[reg].mask) - priv->smstpcr_saved[reg].val = + priv->smstpcr_saved[reg].val = priv->stbyctrl ? + readb(priv->base + STBCR(reg)) : readl(priv->base + SMSTPCR(reg)); } @@ -872,8 +879,9 @@ static int cpg_mssr_resume_noirq(struct device *dev) } if (!i) - dev_warn(dev, "Failed to enable SMSTP %p[0x%x]\n", - priv->base + SMSTPCR(reg), oldval & mask); + dev_warn(dev, "Failed to enable %s%u[0x%x]\n", + priv->stbyctrl ? "STB" : "SMSTP", reg, + oldval & mask); } return 0; diff --git a/drivers/clk/renesas/renesas-cpg-mssr.h b/drivers/clk/renesas/renesas-cpg-mssr.h index 3b852ba0ecec..55a18ef0efaf 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.h +++ b/drivers/clk/renesas/renesas-cpg-mssr.h @@ -155,6 +155,7 @@ struct cpg_mssr_info { }; extern const struct cpg_mssr_info r7s9210_cpg_mssr_info; +extern const struct cpg_mssr_info r8a7742_cpg_mssr_info; extern const struct cpg_mssr_info r8a7743_cpg_mssr_info; extern const struct cpg_mssr_info r8a7745_cpg_mssr_info; extern const struct cpg_mssr_info r8a77470_cpg_mssr_info; diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index c9e5a1fb6653..fea33399a632 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -540,7 +540,7 @@ static const struct samsung_div_clock exynos5800_div_clks[] __initconst = { static const struct samsung_gate_clock exynos5800_gate_clks[] __initconst = { GATE(CLK_ACLK550_CAM, "aclk550_cam", "mout_user_aclk550_cam", - GATE_BUS_TOP, 24, 0, 0), + GATE_BUS_TOP, 24, CLK_IS_CRITICAL, 0), GATE(CLK_ACLK432_SCALER, "aclk432_scaler", "mout_user_aclk432_scaler", GATE_BUS_TOP, 27, CLK_IS_CRITICAL, 0), }; @@ -943,25 +943,25 @@ static const struct samsung_gate_clock exynos5x_gate_clks[] __initconst = { GATE(0, "aclk300_jpeg", "mout_user_aclk300_jpeg", GATE_BUS_TOP, 4, CLK_IGNORE_UNUSED, 0), GATE(0, "aclk333_432_isp0", "mout_user_aclk333_432_isp0", - GATE_BUS_TOP, 5, 0, 0), + GATE_BUS_TOP, 5, CLK_IS_CRITICAL, 0), GATE(0, "aclk300_gscl", "mout_user_aclk300_gscl", GATE_BUS_TOP, 6, CLK_IS_CRITICAL, 0), GATE(0, "aclk333_432_gscl", "mout_user_aclk333_432_gscl", GATE_BUS_TOP, 7, CLK_IGNORE_UNUSED, 0), GATE(0, "aclk333_432_isp", "mout_user_aclk333_432_isp", - GATE_BUS_TOP, 8, 0, 0), + GATE_BUS_TOP, 8, CLK_IS_CRITICAL, 0), GATE(CLK_PCLK66_GPIO, "pclk66_gpio", "mout_user_pclk66_gpio", GATE_BUS_TOP, 9, CLK_IGNORE_UNUSED, 0), GATE(0, "aclk66_psgen", "mout_user_aclk66_psgen", GATE_BUS_TOP, 10, CLK_IGNORE_UNUSED, 0), GATE(0, "aclk266_isp", "mout_user_aclk266_isp", - GATE_BUS_TOP, 13, 0, 0), + GATE_BUS_TOP, 13, CLK_IS_CRITICAL, 0), GATE(0, "aclk166", "mout_user_aclk166", GATE_BUS_TOP, 14, CLK_IGNORE_UNUSED, 0), GATE(CLK_ACLK333, "aclk333", "mout_user_aclk333", GATE_BUS_TOP, 15, CLK_IS_CRITICAL, 0), GATE(0, "aclk400_isp", "mout_user_aclk400_isp", - GATE_BUS_TOP, 16, 0, 0), + GATE_BUS_TOP, 16, CLK_IS_CRITICAL, 0), GATE(0, "aclk400_mscl", "mout_user_aclk400_mscl", GATE_BUS_TOP, 17, CLK_IS_CRITICAL, 0), GATE(0, "aclk200_disp1", "mout_user_aclk200_disp1", @@ -1161,9 +1161,11 @@ static const struct samsung_gate_clock exynos5x_gate_clks[] __initconst = { GATE_IP_GSCL1, 3, 0, 0), GATE(CLK_SMMU_FIMCL1, "smmu_fimcl1", "dout_gscl_blk_333", GATE_IP_GSCL1, 4, 0, 0), - GATE(CLK_GSCL_WA, "gscl_wa", "sclk_gscl_wa", GATE_IP_GSCL1, 12, 0, 0), - GATE(CLK_GSCL_WB, "gscl_wb", "sclk_gscl_wb", GATE_IP_GSCL1, 13, 0, 0), - GATE(CLK_SMMU_FIMCL3, "smmu_fimcl3,", "dout_gscl_blk_333", + GATE(CLK_GSCL_WA, "gscl_wa", "sclk_gscl_wa", GATE_IP_GSCL1, 12, + CLK_IS_CRITICAL, 0), + GATE(CLK_GSCL_WB, "gscl_wb", "sclk_gscl_wb", GATE_IP_GSCL1, 13, + CLK_IS_CRITICAL, 0), + GATE(CLK_SMMU_FIMCL3, "smmu_fimcl3", "dout_gscl_blk_333", GATE_IP_GSCL1, 16, 0, 0), GATE(CLK_FIMC_LITE3, "fimc_lite3", "aclk333_432_gscl", GATE_IP_GSCL1, 17, 0, 0), diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c index 4b1aa9382ad2..6f29ecd0442e 100644 --- a/drivers/clk/samsung/clk-exynos5433.c +++ b/drivers/clk/samsung/clk-exynos5433.c @@ -1706,7 +1706,8 @@ static const struct samsung_gate_clock peric_gate_clks[] __initconst = { GATE(CLK_SCLK_PCM1, "sclk_pcm1", "sclk_pcm1_peric", ENABLE_SCLK_PERIC, 7, CLK_SET_RATE_PARENT, 0), GATE(CLK_SCLK_I2S1, "sclk_i2s1", "sclk_i2s1_peric", - ENABLE_SCLK_PERIC, 6, CLK_SET_RATE_PARENT, 0), + ENABLE_SCLK_PERIC, 6, + CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0), GATE(CLK_SCLK_SPI2, "sclk_spi2", "sclk_spi2_peric", ENABLE_SCLK_PERIC, 5, CLK_SET_RATE_PARENT, 0), GATE(CLK_SCLK_SPI1, "sclk_spi1", "sclk_spi1_peric", ENABLE_SCLK_PERIC, diff --git a/drivers/clk/samsung/clk-s3c2443.c b/drivers/clk/samsung/clk-s3c2443.c index 5f30fe72cd51..c7aba1e1af70 100644 --- a/drivers/clk/samsung/clk-s3c2443.c +++ b/drivers/clk/samsung/clk-s3c2443.c @@ -387,7 +387,7 @@ void __init s3c2443_common_clk_init(struct device_node *np, unsigned long xti_f, ARRAY_SIZE(s3c2450_gates)); samsung_clk_register_alias(ctx, s3c2450_aliases, ARRAY_SIZE(s3c2450_aliases)); - /* fall through - as s3c2450 extends the s3c2416 clocks */ + fallthrough; /* as s3c2450 extends the s3c2416 clocks */ case S3C2416: samsung_clk_register_div(ctx, s3c2416_dividers, ARRAY_SIZE(s3c2416_dividers)); diff --git a/drivers/clk/socfpga/Makefile b/drivers/clk/socfpga/Makefile index ce5aa7802eb8..bf736f8d201a 100644 --- a/drivers/clk/socfpga/Makefile +++ b/drivers/clk/socfpga/Makefile @@ -3,3 +3,5 @@ obj-$(CONFIG_ARCH_SOCFPGA) += clk.o clk-gate.o clk-pll.o clk-periph.o obj-$(CONFIG_ARCH_SOCFPGA) += clk-pll-a10.o clk-periph-a10.o clk-gate-a10.o obj-$(CONFIG_ARCH_STRATIX10) += clk-s10.o obj-$(CONFIG_ARCH_STRATIX10) += clk-pll-s10.o clk-periph-s10.o clk-gate-s10.o +obj-$(CONFIG_ARCH_AGILEX) += clk-agilex.o +obj-$(CONFIG_ARCH_AGILEX) += clk-pll-s10.o clk-periph-s10.o clk-gate-s10.o diff --git a/drivers/clk/socfpga/clk-agilex.c b/drivers/clk/socfpga/clk-agilex.c new file mode 100644 index 000000000000..699527f7e764 --- /dev/null +++ b/drivers/clk/socfpga/clk-agilex.c @@ -0,0 +1,454 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2019, Intel Corporation + */ +#include <linux/slab.h> +#include <linux/clk-provider.h> +#include <linux/of_device.h> +#include <linux/of_address.h> +#include <linux/platform_device.h> + +#include <dt-bindings/clock/agilex-clock.h> + +#include "stratix10-clk.h" + +static const struct clk_parent_data pll_mux[] = { + { .fw_name = "osc1", + .name = "osc1", }, + { .fw_name = "cb-intosc-hs-div2-clk", + .name = "cb-intosc-hs-div2-clk", }, + { .fw_name = "f2s-free-clk", + .name = "f2s-free-clk", }, +}; + +static const struct clk_parent_data cntr_mux[] = { + { .fw_name = "main_pll", + .name = "main_pll", }, + { .fw_name = "periph_pll", + .name = "periph_pll", }, + { .fw_name = "osc1", + .name = "osc1", }, + { .fw_name = "cb-intosc-hs-div2-clk", + .name = "cb-intosc-hs-div2-clk", }, + { .fw_name = "f2s-free-clk", + .name = "f2s-free-clk", }, +}; + +static const struct clk_parent_data boot_mux[] = { + { .fw_name = "osc1", + .name = "osc1", }, + { .fw_name = "cb-intosc-hs-div2-clk", + .name = "cb-intosc-hs-div2-clk", }, +}; + +static const struct clk_parent_data mpu_free_mux[] = { + { .fw_name = "main_pll_c0", + .name = "main_pll_c0", }, + { .fw_name = "peri_pll_c0", + .name = "peri_pll_c0", }, + { .fw_name = "osc1", + .name = "osc1", }, + { .fw_name = "cb-intosc-hs-div2-clk", + .name = "cb-intosc-hs-div2-clk", }, + { .fw_name = "f2s-free-clk", + .name = "f2s-free-clk", }, +}; + +static const struct clk_parent_data noc_free_mux[] = { + { .fw_name = "main_pll_c1", + .name = "main_pll_c1", }, + { .fw_name = "peri_pll_c1", + .name = "peri_pll_c1", }, + { .fw_name = "osc1", + .name = "osc1", }, + { .fw_name = "cb-intosc-hs-div2-clk", + .name = "cb-intosc-hs-div2-clk", }, + { .fw_name = "f2s-free-clk", + .name = "f2s-free-clk", }, +}; + +static const struct clk_parent_data emaca_free_mux[] = { + { .fw_name = "main_pll_c2", + .name = "main_pll_c2", }, + { .fw_name = "peri_pll_c2", + .name = "peri_pll_c2", }, + { .fw_name = "osc1", + .name = "osc1", }, + { .fw_name = "cb-intosc-hs-div2-clk", + .name = "cb-intosc-hs-div2-clk", }, + { .fw_name = "f2s-free-clk", + .name = "f2s-free-clk", }, +}; + +static const struct clk_parent_data emacb_free_mux[] = { + { .fw_name = "main_pll_c3", + .name = "main_pll_c3", }, + { .fw_name = "peri_pll_c3", + .name = "peri_pll_c3", }, + { .fw_name = "osc1", + .name = "osc1", }, + { .fw_name = "cb-intosc-hs-div2-clk", + .name = "cb-intosc-hs-div2-clk", }, + { .fw_name = "f2s-free-clk", + .name = "f2s-free-clk", }, +}; + +static const struct clk_parent_data emac_ptp_free_mux[] = { + { .fw_name = "main_pll_c3", + .name = "main_pll_c3", }, + { .fw_name = "peri_pll_c3", + .name = "peri_pll_c3", }, + { .fw_name = "osc1", + .name = "osc1", }, + { .fw_name = "cb-intosc-hs-div2-clk", + .name = "cb-intosc-hs-div2-clk", }, + { .fw_name = "f2s-free-clk", + .name = "f2s-free-clk", }, +}; + +static const struct clk_parent_data gpio_db_free_mux[] = { + { .fw_name = "main_pll_c3", + .name = "main_pll_c3", }, + { .fw_name = "peri_pll_c3", + .name = "peri_pll_c3", }, + { .fw_name = "osc1", + .name = "osc1", }, + { .fw_name = "cb-intosc-hs-div2-clk", + .name = "cb-intosc-hs-div2-clk", }, + { .fw_name = "f2s-free-clk", + .name = "f2s-free-clk", }, +}; + +static const struct clk_parent_data psi_ref_free_mux[] = { + { .fw_name = "main_pll_c3", + .name = "main_pll_c3", }, + { .fw_name = "peri_pll_c3", + .name = "peri_pll_c3", }, + { .fw_name = "osc1", + .name = "osc1", }, + { .fw_name = "cb-intosc-hs-div2-clk", + .name = "cb-intosc-hs-div2-clk", }, + { .fw_name = "f2s-free-clk", + .name = "f2s-free-clk", }, +}; + +static const struct clk_parent_data sdmmc_free_mux[] = { + { .fw_name = "main_pll_c3", + .name = "main_pll_c3", }, + { .fw_name = "peri_pll_c3", + .name = "peri_pll_c3", }, + { .fw_name = "osc1", + .name = "osc1", }, + { .fw_name = "cb-intosc-hs-div2-clk", + .name = "cb-intosc-hs-div2-clk", }, + { .fw_name = "f2s-free-clk", + .name = "f2s-free-clk", }, +}; + +static const struct clk_parent_data s2f_usr0_free_mux[] = { + { .fw_name = "main_pll_c2", + .name = "main_pll_c2", }, + { .fw_name = "peri_pll_c2", + .name = "peri_pll_c2", }, + { .fw_name = "osc1", + .name = "osc1", }, + { .fw_name = "cb-intosc-hs-div2-clk", + .name = "cb-intosc-hs-div2-clk", }, + { .fw_name = "f2s-free-clk", + .name = "f2s-free-clk", }, +}; + +static const struct clk_parent_data s2f_usr1_free_mux[] = { + { .fw_name = "main_pll_c2", + .name = "main_pll_c2", }, + { .fw_name = "peri_pll_c2", + .name = "peri_pll_c2", }, + { .fw_name = "osc1", + .name = "osc1", }, + { .fw_name = "cb-intosc-hs-div2-clk", + .name = "cb-intosc-hs-div2-clk", }, + { .fw_name = "f2s-free-clk", + .name = "f2s-free-clk", }, +}; + +static const struct clk_parent_data mpu_mux[] = { + { .fw_name = "mpu_free_clk", + .name = "mpu_free_clk", }, + { .fw_name = "boot_clk", + .name = "boot_clk", }, +}; + +static const struct clk_parent_data s2f_usr0_mux[] = { + { .fw_name = "f2s-free-clk", + .name = "f2s-free-clk", }, + { .fw_name = "boot_clk", + .name = "boot_clk", }, +}; + +static const struct clk_parent_data emac_mux[] = { + { .fw_name = "emaca_free_clk", + .name = "emaca_free_clk", }, + { .fw_name = "emacb_free_clk", + .name = "emacb_free_clk", }, +}; + +static const struct clk_parent_data noc_mux[] = { + { .fw_name = "noc_free_clk", + .name = "noc_free_clk", }, + { .fw_name = "boot_clk", + .name = "boot_clk", }, +}; + +/* clocks in AO (always on) controller */ +static const struct stratix10_pll_clock agilex_pll_clks[] = { + { AGILEX_BOOT_CLK, "boot_clk", boot_mux, ARRAY_SIZE(boot_mux), 0, + 0x0}, + { AGILEX_MAIN_PLL_CLK, "main_pll", pll_mux, ARRAY_SIZE(pll_mux), + 0, 0x48}, + { AGILEX_PERIPH_PLL_CLK, "periph_pll", pll_mux, ARRAY_SIZE(pll_mux), + 0, 0x9c}, +}; + +static const struct stratix10_perip_c_clock agilex_main_perip_c_clks[] = { + { AGILEX_MAIN_PLL_C0_CLK, "main_pll_c0", "main_pll", NULL, 1, 0, 0x58}, + { AGILEX_MAIN_PLL_C1_CLK, "main_pll_c1", "main_pll", NULL, 1, 0, 0x5C}, + { AGILEX_MAIN_PLL_C2_CLK, "main_pll_c2", "main_pll", NULL, 1, 0, 0x64}, + { AGILEX_MAIN_PLL_C3_CLK, "main_pll_c3", "main_pll", NULL, 1, 0, 0x68}, + { AGILEX_PERIPH_PLL_C0_CLK, "peri_pll_c0", "periph_pll", NULL, 1, 0, 0xAC}, + { AGILEX_PERIPH_PLL_C1_CLK, "peri_pll_c1", "periph_pll", NULL, 1, 0, 0xB0}, + { AGILEX_PERIPH_PLL_C2_CLK, "peri_pll_c2", "periph_pll", NULL, 1, 0, 0xB8}, + { AGILEX_PERIPH_PLL_C3_CLK, "peri_pll_c3", "periph_pll", NULL, 1, 0, 0xBC}, +}; + +static const struct stratix10_perip_cnt_clock agilex_main_perip_cnt_clks[] = { + { AGILEX_MPU_FREE_CLK, "mpu_free_clk", NULL, mpu_free_mux, ARRAY_SIZE(mpu_free_mux), + 0, 0x3C, 0, 0, 0}, + { AGILEX_NOC_FREE_CLK, "noc_free_clk", NULL, noc_free_mux, ARRAY_SIZE(noc_free_mux), + 0, 0x40, 0, 0, 1}, + { AGILEX_L4_SYS_FREE_CLK, "l4_sys_free_clk", "noc_free_clk", NULL, 1, 0, + 0, 4, 0, 0}, + { AGILEX_NOC_CLK, "noc_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), + 0, 0, 0, 0x30, 1}, + { AGILEX_EMAC_A_FREE_CLK, "emaca_free_clk", NULL, emaca_free_mux, ARRAY_SIZE(emaca_free_mux), + 0, 0xD4, 0, 0x88, 0}, + { AGILEX_EMAC_B_FREE_CLK, "emacb_free_clk", NULL, emacb_free_mux, ARRAY_SIZE(emacb_free_mux), + 0, 0xD8, 0, 0x88, 1}, + { AGILEX_EMAC_PTP_FREE_CLK, "emac_ptp_free_clk", NULL, emac_ptp_free_mux, + ARRAY_SIZE(emac_ptp_free_mux), 0, 0xDC, 0, 0x88, 2}, + { AGILEX_GPIO_DB_FREE_CLK, "gpio_db_free_clk", NULL, gpio_db_free_mux, + ARRAY_SIZE(gpio_db_free_mux), 0, 0xE0, 0, 0x88, 3}, + { AGILEX_SDMMC_FREE_CLK, "sdmmc_free_clk", NULL, sdmmc_free_mux, + ARRAY_SIZE(sdmmc_free_mux), 0, 0xE4, 0, 0x88, 4}, + { AGILEX_S2F_USER0_FREE_CLK, "s2f_user0_free_clk", NULL, s2f_usr0_free_mux, + ARRAY_SIZE(s2f_usr0_free_mux), 0, 0xE8, 0, 0, 0}, + { AGILEX_S2F_USER1_FREE_CLK, "s2f_user1_free_clk", NULL, s2f_usr1_free_mux, + ARRAY_SIZE(s2f_usr1_free_mux), 0, 0xEC, 0, 0x88, 5}, + { AGILEX_PSI_REF_FREE_CLK, "psi_ref_free_clk", NULL, psi_ref_free_mux, + ARRAY_SIZE(psi_ref_free_mux), 0, 0xF0, 0, 0x88, 6}, +}; + +static const struct stratix10_gate_clock agilex_gate_clks[] = { + { AGILEX_MPU_CLK, "mpu_clk", NULL, mpu_mux, ARRAY_SIZE(mpu_mux), 0, 0x24, + 0, 0, 0, 0, 0x30, 0, 0}, + { AGILEX_MPU_PERIPH_CLK, "mpu_periph_clk", "mpu_clk", NULL, 1, 0, 0x24, + 0, 0, 0, 0, 0, 0, 4}, + { AGILEX_MPU_L2RAM_CLK, "mpu_l2ram_clk", "mpu_clk", NULL, 1, 0, 0x24, + 0, 0, 0, 0, 0, 0, 2}, + { AGILEX_L4_MAIN_CLK, "l4_main_clk", "noc_clk", NULL, 1, 0, 0x24, + 1, 0x44, 0, 2, 0, 0, 0}, + { AGILEX_L4_MP_CLK, "l4_mp_clk", "noc_clk", NULL, 1, 0, 0x24, + 2, 0x44, 8, 2, 0, 0, 0}, + /* + * The l4_sp_clk feeds a 100 MHz clock to various peripherals, one of them + * being the SP timers, thus cannot get gated. + */ + { AGILEX_L4_SP_CLK, "l4_sp_clk", "noc_clk", NULL, 1, CLK_IS_CRITICAL, 0x24, + 3, 0x44, 16, 2, 0, 0, 0}, + { AGILEX_CS_AT_CLK, "cs_at_clk", "noc_clk", NULL, 1, 0, 0x24, + 4, 0x44, 24, 2, 0, 0, 0}, + { AGILEX_CS_TRACE_CLK, "cs_trace_clk", "noc_clk", NULL, 1, 0, 0x24, + 4, 0x44, 26, 2, 0, 0, 0}, + { AGILEX_CS_PDBG_CLK, "cs_pdbg_clk", "cs_at_clk", NULL, 1, 0, 0x24, + 4, 0x44, 28, 1, 0, 0, 0}, + { AGILEX_CS_TIMER_CLK, "cs_timer_clk", "noc_clk", NULL, 1, 0, 0x24, + 5, 0, 0, 0, 0, 0, 0}, + { AGILEX_S2F_USER0_CLK, "s2f_user0_clk", NULL, s2f_usr0_mux, ARRAY_SIZE(s2f_usr0_mux), 0, 0x24, + 6, 0, 0, 0, 0, 0, 0}, + { AGILEX_EMAC0_CLK, "emac0_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C, + 0, 0, 0, 0, 0x94, 26, 0}, + { AGILEX_EMAC1_CLK, "emac1_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C, + 1, 0, 0, 0, 0x94, 27, 0}, + { AGILEX_EMAC2_CLK, "emac2_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C, + 2, 0, 0, 0, 0x94, 28, 0}, + { AGILEX_EMAC_PTP_CLK, "emac_ptp_clk", "emac_ptp_free_clk", NULL, 1, 0, 0x7C, + 3, 0, 0, 0, 0, 0, 0}, + { AGILEX_GPIO_DB_CLK, "gpio_db_clk", "gpio_db_free_clk", NULL, 1, 0, 0x7C, + 4, 0x98, 0, 16, 0, 0, 0}, + { AGILEX_SDMMC_CLK, "sdmmc_clk", "sdmmc_free_clk", NULL, 1, 0, 0x7C, + 5, 0, 0, 0, 0, 0, 4}, + { AGILEX_S2F_USER1_CLK, "s2f_user1_clk", "s2f_user1_free_clk", NULL, 1, 0, 0x7C, + 6, 0, 0, 0, 0, 0, 0}, + { AGILEX_PSI_REF_CLK, "psi_ref_clk", "psi_ref_free_clk", NULL, 1, 0, 0x7C, + 7, 0, 0, 0, 0, 0, 0}, + { AGILEX_USB_CLK, "usb_clk", "l4_mp_clk", NULL, 1, 0, 0x7C, + 8, 0, 0, 0, 0, 0, 0}, + { AGILEX_SPI_M_CLK, "spi_m_clk", "l4_mp_clk", NULL, 1, 0, 0x7C, + 9, 0, 0, 0, 0, 0, 0}, + { AGILEX_NAND_CLK, "nand_clk", "l4_main_clk", NULL, 1, 0, 0x7C, + 10, 0, 0, 0, 0, 0, 0}, +}; + +static int agilex_clk_register_c_perip(const struct stratix10_perip_c_clock *clks, + int nums, struct stratix10_clock_data *data) +{ + struct clk *clk; + void __iomem *base = data->base; + int i; + + for (i = 0; i < nums; i++) { + clk = s10_register_periph(&clks[i], base); + if (IS_ERR(clk)) { + pr_err("%s: failed to register clock %s\n", + __func__, clks[i].name); + continue; + } + data->clk_data.clks[clks[i].id] = clk; + } + return 0; +} + +static int agilex_clk_register_cnt_perip(const struct stratix10_perip_cnt_clock *clks, + int nums, struct stratix10_clock_data *data) +{ + struct clk *clk; + void __iomem *base = data->base; + int i; + + for (i = 0; i < nums; i++) { + clk = s10_register_cnt_periph(&clks[i], base); + if (IS_ERR(clk)) { + pr_err("%s: failed to register clock %s\n", + __func__, clks[i].name); + continue; + } + data->clk_data.clks[clks[i].id] = clk; + } + + return 0; +} + +static int agilex_clk_register_gate(const struct stratix10_gate_clock *clks, int nums, struct stratix10_clock_data *data) +{ + struct clk *clk; + void __iomem *base = data->base; + int i; + + for (i = 0; i < nums; i++) { + clk = s10_register_gate(&clks[i], base); + if (IS_ERR(clk)) { + pr_err("%s: failed to register clock %s\n", + __func__, clks[i].name); + continue; + } + data->clk_data.clks[clks[i].id] = clk; + } + + return 0; +} + +static int agilex_clk_register_pll(const struct stratix10_pll_clock *clks, + int nums, struct stratix10_clock_data *data) +{ + struct clk *clk; + void __iomem *base = data->base; + int i; + + for (i = 0; i < nums; i++) { + clk = agilex_register_pll(&clks[i], base); + if (IS_ERR(clk)) { + pr_err("%s: failed to register clock %s\n", + __func__, clks[i].name); + continue; + } + data->clk_data.clks[clks[i].id] = clk; + } + + return 0; +} + +static struct stratix10_clock_data *__socfpga_agilex_clk_init(struct platform_device *pdev, + int nr_clks) +{ + struct device_node *np = pdev->dev.of_node; + struct device *dev = &pdev->dev; + struct stratix10_clock_data *clk_data; + struct clk **clk_table; + struct resource *res; + void __iomem *base; + int ret; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + base = devm_ioremap_resource(dev, res); + if (IS_ERR(base)) + return ERR_CAST(base); + + clk_data = devm_kzalloc(dev, sizeof(*clk_data), GFP_KERNEL); + if (!clk_data) + return ERR_PTR(-ENOMEM); + + clk_data->base = base; + clk_table = devm_kcalloc(dev, nr_clks, sizeof(*clk_table), GFP_KERNEL); + if (!clk_table) + return ERR_PTR(-ENOMEM); + + clk_data->clk_data.clks = clk_table; + clk_data->clk_data.clk_num = nr_clks; + ret = of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data->clk_data); + if (ret) + return ERR_PTR(ret); + + return clk_data; +} + +static int agilex_clkmgr_probe(struct platform_device *pdev) +{ + struct stratix10_clock_data *clk_data; + + clk_data = __socfpga_agilex_clk_init(pdev, AGILEX_NUM_CLKS); + if (IS_ERR(clk_data)) + return PTR_ERR(clk_data); + + agilex_clk_register_pll(agilex_pll_clks, ARRAY_SIZE(agilex_pll_clks), clk_data); + + agilex_clk_register_c_perip(agilex_main_perip_c_clks, + ARRAY_SIZE(agilex_main_perip_c_clks), clk_data); + + agilex_clk_register_cnt_perip(agilex_main_perip_cnt_clks, + ARRAY_SIZE(agilex_main_perip_cnt_clks), + clk_data); + + agilex_clk_register_gate(agilex_gate_clks, ARRAY_SIZE(agilex_gate_clks), + clk_data); + return 0; +} + +static const struct of_device_id agilex_clkmgr_match_table[] = { + { .compatible = "intel,agilex-clkmgr", + .data = agilex_clkmgr_probe }, + { } +}; + +static struct platform_driver agilex_clkmgr_driver = { + .probe = agilex_clkmgr_probe, + .driver = { + .name = "agilex-clkmgr", + .suppress_bind_attrs = true, + .of_match_table = agilex_clkmgr_match_table, + }, +}; + +static int __init agilex_clk_init(void) +{ + return platform_driver_register(&agilex_clkmgr_driver); +} +core_initcall(agilex_clk_init); diff --git a/drivers/clk/socfpga/clk-gate-s10.c b/drivers/clk/socfpga/clk-gate-s10.c index 8be4722f6064..083b2ec21fdd 100644 --- a/drivers/clk/socfpga/clk-gate-s10.c +++ b/drivers/clk/socfpga/clk-gate-s10.c @@ -70,7 +70,6 @@ struct clk *s10_register_gate(const struct stratix10_gate_clock *clks, void __io struct clk *clk; struct socfpga_gate_clk *socfpga_clk; struct clk_init_data init; - const char * const *parent_names = clks->parent_names; const char *parent_name = clks->parent_name; socfpga_clk = kzalloc(sizeof(*socfpga_clk), GFP_KERNEL); @@ -108,7 +107,9 @@ struct clk *s10_register_gate(const struct stratix10_gate_clock *clks, void __io init.flags = clks->flags; init.num_parents = clks->num_parents; - init.parent_names = parent_names ? parent_names : &parent_name; + init.parent_names = parent_name ? &parent_name : NULL; + if (init.parent_names == NULL) + init.parent_data = clks->parent_data; socfpga_clk->hw.hw.init = &init; clk = clk_register(NULL, &socfpga_clk->hw.hw); diff --git a/drivers/clk/socfpga/clk-periph-s10.c b/drivers/clk/socfpga/clk-periph-s10.c index dd6d4056e9de..397b77b89b16 100644 --- a/drivers/clk/socfpga/clk-periph-s10.c +++ b/drivers/clk/socfpga/clk-periph-s10.c @@ -81,7 +81,6 @@ struct clk *s10_register_periph(const struct stratix10_perip_c_clock *clks, struct clk_init_data init; const char *name = clks->name; const char *parent_name = clks->parent_name; - const char * const *parent_names = clks->parent_names; periph_clk = kzalloc(sizeof(*periph_clk), GFP_KERNEL); if (WARN_ON(!periph_clk)) @@ -94,7 +93,9 @@ struct clk *s10_register_periph(const struct stratix10_perip_c_clock *clks, init.flags = clks->flags; init.num_parents = clks->num_parents; - init.parent_names = parent_names ? parent_names : &parent_name; + init.parent_names = parent_name ? &parent_name : NULL; + if (init.parent_names == NULL) + init.parent_data = clks->parent_data; periph_clk->hw.hw.init = &init; @@ -114,7 +115,6 @@ struct clk *s10_register_cnt_periph(const struct stratix10_perip_cnt_clock *clks struct clk_init_data init; const char *name = clks->name; const char *parent_name = clks->parent_name; - const char * const *parent_names = clks->parent_names; periph_clk = kzalloc(sizeof(*periph_clk), GFP_KERNEL); if (WARN_ON(!periph_clk)) @@ -137,7 +137,9 @@ struct clk *s10_register_cnt_periph(const struct stratix10_perip_cnt_clock *clks init.flags = clks->flags; init.num_parents = clks->num_parents; - init.parent_names = parent_names ? parent_names : &parent_name; + init.parent_names = parent_name ? &parent_name : NULL; + if (init.parent_names == NULL) + init.parent_data = clks->parent_data; periph_clk->hw.hw.init = &init; diff --git a/drivers/clk/socfpga/clk-pll-a10.c b/drivers/clk/socfpga/clk-pll-a10.c index 3816fc04b274..db54f7d806a0 100644 --- a/drivers/clk/socfpga/clk-pll-a10.c +++ b/drivers/clk/socfpga/clk-pll-a10.c @@ -58,7 +58,7 @@ static u8 clk_pll_get_parent(struct clk_hw *hwclk) CLK_MGR_PLL_CLK_SRC_MASK; } -static struct clk_ops clk_pll_ops = { +static const struct clk_ops clk_pll_ops = { .recalc_rate = clk_pll_recalc_rate, .get_parent = clk_pll_get_parent, }; @@ -102,8 +102,6 @@ static struct clk * __init __socfpga_pll_init(struct device_node *node, pll_clk->hw.hw.init = &init; pll_clk->hw.bit_idx = SOCFPGA_PLL_EXT_ENA; - clk_pll_ops.enable = clk_gate_ops.enable; - clk_pll_ops.disable = clk_gate_ops.disable; clk = clk_register(NULL, &pll_clk->hw.hw); if (WARN_ON(IS_ERR(clk))) { diff --git a/drivers/clk/socfpga/clk-pll-s10.c b/drivers/clk/socfpga/clk-pll-s10.c index a301bb22f36c..4e268953b7da 100644 --- a/drivers/clk/socfpga/clk-pll-s10.c +++ b/drivers/clk/socfpga/clk-pll-s10.c @@ -18,8 +18,12 @@ #define SOCFPGA_PLL_RESET_MASK 0x2 #define SOCFPGA_PLL_REFDIV_MASK 0x00003F00 #define SOCFPGA_PLL_REFDIV_SHIFT 8 +#define SOCFPGA_PLL_AREFDIV_MASK 0x00000F00 +#define SOCFPGA_PLL_DREFDIV_MASK 0x00003000 +#define SOCFPGA_PLL_DREFDIV_SHIFT 12 #define SOCFPGA_PLL_MDIV_MASK 0xFF000000 #define SOCFPGA_PLL_MDIV_SHIFT 24 +#define SOCFPGA_AGILEX_PLL_MDIV_MASK 0x000003FF #define SWCTRLBTCLKSEL_MASK 0x200 #define SWCTRLBTCLKSEL_SHIFT 9 @@ -27,6 +31,27 @@ #define to_socfpga_clk(p) container_of(p, struct socfpga_pll, hw.hw) +static unsigned long agilex_clk_pll_recalc_rate(struct clk_hw *hwclk, + unsigned long parent_rate) +{ + struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk); + unsigned long arefdiv, reg, mdiv; + unsigned long long vco_freq; + + /* read VCO1 reg for numerator and denominator */ + reg = readl(socfpgaclk->hw.reg); + arefdiv = (reg & SOCFPGA_PLL_AREFDIV_MASK) >> SOCFPGA_PLL_REFDIV_SHIFT; + + vco_freq = (unsigned long long)parent_rate / arefdiv; + + /* Read mdiv and fdiv from the fdbck register */ + reg = readl(socfpgaclk->hw.reg + 0x24); + mdiv = reg & SOCFPGA_AGILEX_PLL_MDIV_MASK; + + vco_freq = (unsigned long long)vco_freq * mdiv; + return (unsigned long)vco_freq; +} + static unsigned long clk_pll_recalc_rate(struct clk_hw *hwclk, unsigned long parent_rate) { @@ -98,13 +123,19 @@ static int clk_pll_prepare(struct clk_hw *hwclk) return 0; } -static struct clk_ops clk_pll_ops = { +static const struct clk_ops agilex_clk_pll_ops = { + .recalc_rate = agilex_clk_pll_recalc_rate, + .get_parent = clk_pll_get_parent, + .prepare = clk_pll_prepare, +}; + +static const struct clk_ops clk_pll_ops = { .recalc_rate = clk_pll_recalc_rate, .get_parent = clk_pll_get_parent, .prepare = clk_pll_prepare, }; -static struct clk_ops clk_boot_ops = { +static const struct clk_ops clk_boot_ops = { .recalc_rate = clk_boot_clk_recalc_rate, .get_parent = clk_boot_get_parent, .prepare = clk_pll_prepare, @@ -117,7 +148,6 @@ struct clk *s10_register_pll(const struct stratix10_pll_clock *clks, struct socfpga_pll *pll_clk; struct clk_init_data init; const char *name = clks->name; - const char * const *parent_names = clks->parent_names; pll_clk = kzalloc(sizeof(*pll_clk), GFP_KERNEL); if (WARN_ON(!pll_clk)) @@ -134,12 +164,48 @@ struct clk *s10_register_pll(const struct stratix10_pll_clock *clks, init.flags = clks->flags; init.num_parents = clks->num_parents; - init.parent_names = parent_names; + init.parent_names = NULL; + init.parent_data = clks->parent_data; + pll_clk->hw.hw.init = &init; + + pll_clk->hw.bit_idx = SOCFPGA_PLL_POWER; + + clk = clk_register(NULL, &pll_clk->hw.hw); + if (WARN_ON(IS_ERR(clk))) { + kfree(pll_clk); + return NULL; + } + return clk; +} + +struct clk *agilex_register_pll(const struct stratix10_pll_clock *clks, + void __iomem *reg) +{ + struct clk *clk; + struct socfpga_pll *pll_clk; + struct clk_init_data init; + const char *name = clks->name; + + pll_clk = kzalloc(sizeof(*pll_clk), GFP_KERNEL); + if (WARN_ON(!pll_clk)) + return NULL; + + pll_clk->hw.reg = reg + clks->offset; + + if (streq(name, SOCFPGA_BOOT_CLK)) + init.ops = &clk_boot_ops; + else + init.ops = &agilex_clk_pll_ops; + + init.name = name; + init.flags = clks->flags; + + init.num_parents = clks->num_parents; + init.parent_names = NULL; + init.parent_data = clks->parent_data; pll_clk->hw.hw.init = &init; pll_clk->hw.bit_idx = SOCFPGA_PLL_POWER; - clk_pll_ops.enable = clk_gate_ops.enable; - clk_pll_ops.disable = clk_gate_ops.disable; clk = clk_register(NULL, &pll_clk->hw.hw); if (WARN_ON(IS_ERR(clk))) { diff --git a/drivers/clk/socfpga/clk-pll.c b/drivers/clk/socfpga/clk-pll.c index dc65cc0fd3bd..e5fb786843f3 100644 --- a/drivers/clk/socfpga/clk-pll.c +++ b/drivers/clk/socfpga/clk-pll.c @@ -65,7 +65,7 @@ static u8 clk_pll_get_parent(struct clk_hw *hwclk) CLK_MGR_PLL_CLK_SRC_MASK; } -static struct clk_ops clk_pll_ops = { +static const struct clk_ops clk_pll_ops = { .recalc_rate = clk_pll_recalc_rate, .get_parent = clk_pll_get_parent, }; @@ -105,8 +105,6 @@ static __init struct clk *__socfpga_pll_init(struct device_node *node, pll_clk->hw.hw.init = &init; pll_clk->hw.bit_idx = SOCFPGA_PLL_EXT_ENA; - clk_pll_ops.enable = clk_gate_ops.enable; - clk_pll_ops.disable = clk_gate_ops.disable; clk = clk_register(NULL, &pll_clk->hw.hw); if (WARN_ON(IS_ERR(clk))) { diff --git a/drivers/clk/socfpga/clk-s10.c b/drivers/clk/socfpga/clk-s10.c index dea7c6c7d269..c1dfc9b34e4e 100644 --- a/drivers/clk/socfpga/clk-s10.c +++ b/drivers/clk/socfpga/clk-s10.c @@ -12,35 +12,137 @@ #include "stratix10-clk.h" -static const char * const pll_mux[] = { "osc1", "cb-intosc-hs-div2-clk", - "f2s-free-clk",}; -static const char * const cntr_mux[] = { "main_pll", "periph_pll", - "osc1", "cb-intosc-hs-div2-clk", - "f2s-free-clk"}; -static const char * const boot_mux[] = { "osc1", "cb-intosc-hs-div2-clk",}; - -static const char * const noc_free_mux[] = {"main_noc_base_clk", - "peri_noc_base_clk", - "osc1", "cb-intosc-hs-div2-clk", - "f2s-free-clk"}; - -static const char * const emaca_free_mux[] = {"peri_emaca_clk", "boot_clk"}; -static const char * const emacb_free_mux[] = {"peri_emacb_clk", "boot_clk"}; -static const char * const emac_ptp_free_mux[] = {"peri_emac_ptp_clk", "boot_clk"}; -static const char * const gpio_db_free_mux[] = {"peri_gpio_db_clk", "boot_clk"}; -static const char * const sdmmc_free_mux[] = {"main_sdmmc_clk", "boot_clk"}; -static const char * const s2f_usr1_free_mux[] = {"peri_s2f_usr1_clk", "boot_clk"}; -static const char * const psi_ref_free_mux[] = {"peri_psi_ref_clk", "boot_clk"}; -static const char * const mpu_mux[] = { "mpu_free_clk", "boot_clk",}; - -static const char * const s2f_usr0_mux[] = {"f2s-free-clk", "boot_clk"}; -static const char * const emac_mux[] = {"emaca_free_clk", "emacb_free_clk"}; -static const char * const noc_mux[] = {"noc_free_clk", "boot_clk"}; - -static const char * const mpu_free_mux[] = {"main_mpu_base_clk", - "peri_mpu_base_clk", - "osc1", "cb-intosc-hs-div2-clk", - "f2s-free-clk"}; +static const struct clk_parent_data pll_mux[] = { + { .fw_name = "osc1", + .name = "osc1" }, + { .fw_name = "cb-intosc-hs-div2-clk", + .name = "cb-intosc-hs-div2-clk" }, + { .fw_name = "f2s-free-clk", + .name = "f2s-free-clk" }, +}; + +static const struct clk_parent_data cntr_mux[] = { + { .fw_name = "main_pll", + .name = "main_pll", }, + { .fw_name = "periph_pll", + .name = "periph_pll", }, + { .fw_name = "osc1", + .name = "osc1", }, + { .fw_name = "cb-intosc-hs-div2-clk", + .name = "cb-intosc-hs-div2-clk", }, + { .fw_name = "f2s-free-clk", + .name = "f2s-free-clk", }, +}; + +static const struct clk_parent_data boot_mux[] = { + { .fw_name = "osc1", + .name = "osc1" }, + { .fw_name = "cb-intosc-hs-div2-clk", + .name = "cb-intosc-hs-div2-clk" }, +}; + +static const struct clk_parent_data noc_free_mux[] = { + { .fw_name = "main_noc_base_clk", + .name = "main_noc_base_clk", }, + { .fw_name = "peri_noc_base_clk", + .name = "peri_noc_base_clk", }, + { .fw_name = "osc1", + .name = "osc1", }, + { .fw_name = "cb-intosc-hs-div2-clk", + .name = "cb-intosc-hs-div2-clk", }, + { .fw_name = "f2s-free-clk", + .name = "f2s-free-clk", }, +}; + +static const struct clk_parent_data emaca_free_mux[] = { + { .fw_name = "peri_emaca_clk", + .name = "peri_emaca_clk", }, + { .fw_name = "boot_clk", + .name = "boot_clk", }, +}; + +static const struct clk_parent_data emacb_free_mux[] = { + { .fw_name = "peri_emacb_clk", + .name = "peri_emacb_clk", }, + { .fw_name = "boot_clk", + .name = "boot_clk", }, +}; + +static const struct clk_parent_data emac_ptp_free_mux[] = { + { .fw_name = "peri_emac_ptp_clk", + .name = "peri_emac_ptp_clk", }, + { .fw_name = "boot_clk", + .name = "boot_clk", }, +}; + +static const struct clk_parent_data gpio_db_free_mux[] = { + { .fw_name = "peri_gpio_db_clk", + .name = "peri_gpio_db_clk", }, + { .fw_name = "boot_clk", + .name = "boot_clk", }, +}; + +static const struct clk_parent_data sdmmc_free_mux[] = { + { .fw_name = "main_sdmmc_clk", + .name = "main_sdmmc_clk", }, + { .fw_name = "boot_clk", + .name = "boot_clk", }, +}; + +static const struct clk_parent_data s2f_usr1_free_mux[] = { + { .fw_name = "peri_s2f_usr1_clk", + .name = "peri_s2f_usr1_clk", }, + { .fw_name = "boot_clk", + .name = "boot_clk", }, +}; + +static const struct clk_parent_data psi_ref_free_mux[] = { + { .fw_name = "peri_psi_ref_clk", + .name = "peri_psi_ref_clk", }, + { .fw_name = "boot_clk", + .name = "boot_clk", }, +}; + +static const struct clk_parent_data mpu_mux[] = { + { .fw_name = "mpu_free_clk", + .name = "mpu_free_clk", }, + { .fw_name = "boot_clk", + .name = "boot_clk", }, +}; + +static const struct clk_parent_data s2f_usr0_mux[] = { + { .fw_name = "f2s-free-clk", + .name = "f2s-free-clk", }, + { .fw_name = "boot_clk", + .name = "boot_clk", }, +}; + +static const struct clk_parent_data emac_mux[] = { + { .fw_name = "emaca_free_clk", + .name = "emaca_free_clk", }, + { .fw_name = "emacb_free_clk", + .name = "emacb_free_clk", }, +}; + +static const struct clk_parent_data noc_mux[] = { + { .fw_name = "noc_free_clk", + .name = "noc_free_clk", }, + { .fw_name = "boot_clk", + .name = "boot_clk", }, +}; + +static const struct clk_parent_data mpu_free_mux[] = { + { .fw_name = "main_mpu_base_clk", + .name = "main_mpu_base_clk", }, + { .fw_name = "peri_mpu_base_clk", + .name = "peri_mpu_base_clk", }, + { .fw_name = "osc1", + .name = "osc1", }, + { .fw_name = "cb-intosc-hs-div2-clk", + .name = "cb-intosc-hs-div2-clk", }, + { .fw_name = "f2s-free-clk", + .name = "f2s-free-clk", }, +}; /* clocks in AO (always on) controller */ static const struct stratix10_pll_clock s10_pll_clks[] = { diff --git a/drivers/clk/socfpga/stratix10-clk.h b/drivers/clk/socfpga/stratix10-clk.h index fcabef42249c..f9d5d724c694 100644 --- a/drivers/clk/socfpga/stratix10-clk.h +++ b/drivers/clk/socfpga/stratix10-clk.h @@ -14,7 +14,7 @@ struct stratix10_clock_data { struct stratix10_pll_clock { unsigned int id; const char *name; - const char *const *parent_names; + const struct clk_parent_data *parent_data; u8 num_parents; unsigned long flags; unsigned long offset; @@ -24,7 +24,7 @@ struct stratix10_perip_c_clock { unsigned int id; const char *name; const char *parent_name; - const char *const *parent_names; + const struct clk_parent_data *parent_data; u8 num_parents; unsigned long flags; unsigned long offset; @@ -34,7 +34,7 @@ struct stratix10_perip_cnt_clock { unsigned int id; const char *name; const char *parent_name; - const char *const *parent_names; + const struct clk_parent_data *parent_data; u8 num_parents; unsigned long flags; unsigned long offset; @@ -47,7 +47,7 @@ struct stratix10_gate_clock { unsigned int id; const char *name; const char *parent_name; - const char *const *parent_names; + const struct clk_parent_data *parent_data; u8 num_parents; unsigned long flags; unsigned long gate_reg; @@ -62,6 +62,8 @@ struct stratix10_gate_clock { struct clk *s10_register_pll(const struct stratix10_pll_clock *, void __iomem *); +struct clk *agilex_register_pll(const struct stratix10_pll_clock *, + void __iomem *); struct clk *s10_register_periph(const struct stratix10_perip_c_clock *, void __iomem *); struct clk *s10_register_cnt_periph(const struct stratix10_perip_cnt_clock *, diff --git a/drivers/clk/sprd/gate.c b/drivers/clk/sprd/gate.c index 574cfc116bbc..56e1714b541e 100644 --- a/drivers/clk/sprd/gate.c +++ b/drivers/clk/sprd/gate.c @@ -94,8 +94,15 @@ static int sprd_gate_is_enabled(struct clk_hw *hw) { struct sprd_gate *sg = hw_to_sprd_gate(hw); struct sprd_clk_common *common = &sg->common; + struct clk_hw *parent; unsigned int reg; + if (sg->flags & SPRD_GATE_NON_AON) { + parent = clk_hw_get_parent(hw); + if (!parent || !clk_hw_is_enabled(parent)) + return 0; + } + regmap_read(common->regmap, common->reg, ®); if (sg->flags & CLK_GATE_SET_TO_DISABLE) diff --git a/drivers/clk/sprd/gate.h b/drivers/clk/sprd/gate.h index b55817869367..e738dafa4fe9 100644 --- a/drivers/clk/sprd/gate.h +++ b/drivers/clk/sprd/gate.h @@ -19,6 +19,15 @@ struct sprd_gate { struct sprd_clk_common common; }; +/* + * sprd_gate->flags is used for: + * CLK_GATE_SET_TO_DISABLE BIT(0) + * CLK_GATE_HIWORD_MASK BIT(1) + * CLK_GATE_BIG_ENDIAN BIT(2) + * so we define new flags from BIT(3) + */ +#define SPRD_GATE_NON_AON BIT(3) /* not alway powered on, check before read */ + #define SPRD_SC_GATE_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, \ _sc_offset, _enable_mask, _flags, \ _gate_flags, _udelay, _ops, _fn) \ diff --git a/drivers/clk/sprd/pll.c b/drivers/clk/sprd/pll.c index 15791484388f..13a322b2535a 100644 --- a/drivers/clk/sprd/pll.c +++ b/drivers/clk/sprd/pll.c @@ -106,7 +106,7 @@ static unsigned long _sprd_pll_recalc_rate(const struct sprd_pll *pll, cfg = kcalloc(regs_num, sizeof(*cfg), GFP_KERNEL); if (!cfg) - return -ENOMEM; + return parent_rate; for (i = 0; i < regs_num; i++) cfg[i] = sprd_pll_read(pll, i); diff --git a/drivers/clk/sprd/sc9863a-clk.c b/drivers/clk/sprd/sc9863a-clk.c index a0631f7756cf..c2e4fe719a17 100644 --- a/drivers/clk/sprd/sc9863a-clk.c +++ b/drivers/clk/sprd/sc9863a-clk.c @@ -23,22 +23,22 @@ #include "pll.h" /* mpll*_gate clocks control cpu cores, they were enabled by default */ -SPRD_PLL_SC_GATE_CLK_FW_NAME(mpll0_gate, "mpll0-gate", "ext-26m", 0x94, - 0x1000, BIT(0), CLK_IGNORE_UNUSED, 0, 240); -SPRD_PLL_SC_GATE_CLK_FW_NAME(dpll0_gate, "dpll0-gate", "ext-26m", 0x98, - 0x1000, BIT(0), 0, 0, 240); -SPRD_PLL_SC_GATE_CLK_FW_NAME(lpll_gate, "lpll-gate", "ext-26m", 0x9c, - 0x1000, BIT(0), 0, 0, 240); -SPRD_PLL_SC_GATE_CLK_FW_NAME(gpll_gate, "gpll-gate", "ext-26m", 0xa8, - 0x1000, BIT(0), 0, 0, 240); -SPRD_PLL_SC_GATE_CLK_FW_NAME(dpll1_gate, "dpll1-gate", "ext-26m", 0x1dc, - 0x1000, BIT(0), 0, 0, 240); -SPRD_PLL_SC_GATE_CLK_FW_NAME(mpll1_gate, "mpll1-gate", "ext-26m", 0x1e0, - 0x1000, BIT(0), CLK_IGNORE_UNUSED, 0, 240); -SPRD_PLL_SC_GATE_CLK_FW_NAME(mpll2_gate, "mpll2-gate", "ext-26m", 0x1e4, - 0x1000, BIT(0), CLK_IGNORE_UNUSED, 0, 240); -SPRD_PLL_SC_GATE_CLK_FW_NAME(isppll_gate, "isppll-gate", "ext-26m", 0x1e8, - 0x1000, BIT(0), 0, 0, 240); +static SPRD_PLL_SC_GATE_CLK_FW_NAME(mpll0_gate, "mpll0-gate", "ext-26m", 0x94, + 0x1000, BIT(0), CLK_IGNORE_UNUSED, 0, 240); +static SPRD_PLL_SC_GATE_CLK_FW_NAME(dpll0_gate, "dpll0-gate", "ext-26m", 0x98, + 0x1000, BIT(0), 0, 0, 240); +static SPRD_PLL_SC_GATE_CLK_FW_NAME(lpll_gate, "lpll-gate", "ext-26m", 0x9c, + 0x1000, BIT(0), 0, 0, 240); +static SPRD_PLL_SC_GATE_CLK_FW_NAME(gpll_gate, "gpll-gate", "ext-26m", 0xa8, + 0x1000, BIT(0), 0, 0, 240); +static SPRD_PLL_SC_GATE_CLK_FW_NAME(dpll1_gate, "dpll1-gate", "ext-26m", 0x1dc, + 0x1000, BIT(0), 0, 0, 240); +static SPRD_PLL_SC_GATE_CLK_FW_NAME(mpll1_gate, "mpll1-gate", "ext-26m", 0x1e0, + 0x1000, BIT(0), CLK_IGNORE_UNUSED, 0, 240); +static SPRD_PLL_SC_GATE_CLK_FW_NAME(mpll2_gate, "mpll2-gate", "ext-26m", 0x1e4, + 0x1000, BIT(0), CLK_IGNORE_UNUSED, 0, 240); +static SPRD_PLL_SC_GATE_CLK_FW_NAME(isppll_gate, "isppll-gate", "ext-26m", + 0x1e8, 0x1000, BIT(0), 0, 0, 240); static struct sprd_clk_common *sc9863a_pmu_gate_clks[] = { /* address base is 0x402b0000 */ @@ -1615,6 +1615,36 @@ static const struct sprd_clk_desc sc9863a_mm_gate_desc = { .hw_clks = &sc9863a_mm_gate_hws, }; +/* camera sensor clocks */ +static SPRD_GATE_CLK_HW(mipi_csi_clk, "mipi-csi-clk", &mahb_ckg_eb.common.hw, + 0x20, BIT(16), 0, SPRD_GATE_NON_AON); +static SPRD_GATE_CLK_HW(mipi_csi_s_clk, "mipi-csi-s-clk", &mahb_ckg_eb.common.hw, + 0x24, BIT(16), 0, SPRD_GATE_NON_AON); +static SPRD_GATE_CLK_HW(mipi_csi_m_clk, "mipi-csi-m-clk", &mahb_ckg_eb.common.hw, + 0x28, BIT(16), 0, SPRD_GATE_NON_AON); + +static struct sprd_clk_common *sc9863a_mm_clk_clks[] = { + /* address base is 0x60900000 */ + &mipi_csi_clk.common, + &mipi_csi_s_clk.common, + &mipi_csi_m_clk.common, +}; + +static struct clk_hw_onecell_data sc9863a_mm_clk_hws = { + .hws = { + [CLK_MIPI_CSI] = &mipi_csi_clk.common.hw, + [CLK_MIPI_CSI_S] = &mipi_csi_s_clk.common.hw, + [CLK_MIPI_CSI_M] = &mipi_csi_m_clk.common.hw, + }, + .num = CLK_MM_CLK_NUM, +}; + +static const struct sprd_clk_desc sc9863a_mm_clk_desc = { + .clk_clks = sc9863a_mm_clk_clks, + .num_clk_clks = ARRAY_SIZE(sc9863a_mm_clk_clks), + .hw_clks = &sc9863a_mm_clk_hws, +}; + static SPRD_SC_GATE_CLK_FW_NAME(sim0_eb, "sim0-eb", "ext-26m", 0x0, 0x1000, BIT(0), 0, 0); static SPRD_SC_GATE_CLK_FW_NAME(iis0_eb, "iis0-eb", "ext-26m", 0x0, @@ -1737,6 +1767,8 @@ static const struct of_device_id sprd_sc9863a_clk_ids[] = { .data = &sc9863a_aonapb_gate_desc }, { .compatible = "sprd,sc9863a-mm-gate", /* 0x60800000 */ .data = &sc9863a_mm_gate_desc }, + { .compatible = "sprd,sc9863a-mm-clk", /* 0x60900000 */ + .data = &sc9863a_mm_clk_desc }, { .compatible = "sprd,sc9863a-apapb-gate", /* 0x71300000 */ .data = &sc9863a_apapb_gate_desc }, { } diff --git a/drivers/clk/st/clk-flexgen.c b/drivers/clk/st/clk-flexgen.c index 4413b6e04a8e..55873d4b7603 100644 --- a/drivers/clk/st/clk-flexgen.c +++ b/drivers/clk/st/clk-flexgen.c @@ -375,6 +375,7 @@ static void __init st_of_flexgen_setup(struct device_node *np) break; } + flex_flags &= ~CLK_IS_CRITICAL; of_clk_detect_critical(np, i, &flex_flags); /* diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c index 27201fd26e44..e1aa1fbac48a 100644 --- a/drivers/clk/sunxi/clk-sunxi.c +++ b/drivers/clk/sunxi/clk-sunxi.c @@ -90,7 +90,7 @@ static void sun6i_a31_get_pll1_factors(struct factors_request *req) * Round down the frequency to the closest multiple of either * 6 or 16 */ - u32 round_freq_6 = round_down(freq_mhz, 6); + u32 round_freq_6 = rounddown(freq_mhz, 6); u32 round_freq_16 = round_down(freq_mhz, 16); if (round_freq_6 > round_freq_16) diff --git a/drivers/clk/tegra/Kconfig b/drivers/clk/tegra/Kconfig index 4d99a8770485..deaa4605824c 100644 --- a/drivers/clk/tegra/Kconfig +++ b/drivers/clk/tegra/Kconfig @@ -1,8 +1,4 @@ # SPDX-License-Identifier: GPL-2.0-only -config TEGRA_CLK_EMC - def_bool y - depends on TEGRA124_EMC - config CLK_TEGRA_BPMP def_bool y depends on TEGRA_BPMP diff --git a/drivers/clk/tegra/Makefile b/drivers/clk/tegra/Makefile index 1f7c30f87ece..eec2313fd37e 100644 --- a/drivers/clk/tegra/Makefile +++ b/drivers/clk/tegra/Makefile @@ -13,8 +13,8 @@ obj-y += clk-super.o obj-y += clk-tegra-audio.o obj-y += clk-tegra-periph.o obj-y += clk-tegra-fixed.o +obj-y += clk-tegra-super-cclk.o obj-y += clk-tegra-super-gen4.o -obj-$(CONFIG_TEGRA_CLK_EMC) += clk-emc.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += clk-tegra20.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += clk-tegra20-emc.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += clk-tegra30.o @@ -22,8 +22,10 @@ obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += clk-tegra20-emc.o obj-$(CONFIG_ARCH_TEGRA_114_SOC) += clk-tegra114.o obj-$(CONFIG_ARCH_TEGRA_124_SOC) += clk-tegra124.o obj-$(CONFIG_TEGRA_CLK_DFLL) += clk-tegra124-dfll-fcpu.o +obj-$(CONFIG_TEGRA124_EMC) += clk-tegra124-emc.o obj-$(CONFIG_ARCH_TEGRA_132_SOC) += clk-tegra124.o obj-y += cvb.o obj-$(CONFIG_ARCH_TEGRA_210_SOC) += clk-tegra210.o +obj-$(CONFIG_ARCH_TEGRA_210_SOC) += clk-tegra210-emc.o obj-$(CONFIG_CLK_TEGRA_BPMP) += clk-bpmp.o obj-y += clk-utils.o diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c index 531c2b3d814e..0b212cf2e794 100644 --- a/drivers/clk/tegra/clk-pll.c +++ b/drivers/clk/tegra/clk-pll.c @@ -744,13 +744,19 @@ static int _program_pll(struct clk_hw *hw, struct tegra_clk_pll_freq_table *cfg, state = clk_pll_is_enabled(hw); + if (state && pll->params->pre_rate_change) { + ret = pll->params->pre_rate_change(); + if (WARN_ON(ret)) + return ret; + } + _get_pll_mnp(pll, &old_cfg); if (state && pll->params->defaults_set && pll->params->dyn_ramp && (cfg->m == old_cfg.m) && (cfg->p == old_cfg.p)) { ret = pll->params->dyn_ramp(pll, cfg); if (!ret) - return 0; + goto done; } if (state) { @@ -772,6 +778,10 @@ static int _program_pll(struct clk_hw *hw, struct tegra_clk_pll_freq_table *cfg, pll_clk_start_ss(pll); } +done: + if (state && pll->params->post_rate_change) + pll->params->post_rate_change(); + return ret; } diff --git a/drivers/clk/tegra/clk-tegra-super-cclk.c b/drivers/clk/tegra/clk-tegra-super-cclk.c new file mode 100644 index 000000000000..a03119c30456 --- /dev/null +++ b/drivers/clk/tegra/clk-tegra-super-cclk.c @@ -0,0 +1,212 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Based on clk-super.c + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * Based on older tegra20-cpufreq driver by Colin Cross <ccross@google.com> + * Copyright (C) 2010 Google, Inc. + * + * Author: Dmitry Osipenko <digetx@gmail.com> + * Copyright (C) 2019 GRATE-DRIVER project + */ + +#include <linux/bits.h> +#include <linux/clk-provider.h> +#include <linux/err.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/types.h> + +#include "clk.h" + +#define PLLP_INDEX 4 +#define PLLX_INDEX 8 + +#define SUPER_CDIV_ENB BIT(31) + +static struct tegra_clk_super_mux *cclk_super; +static bool cclk_on_pllx; + +static u8 cclk_super_get_parent(struct clk_hw *hw) +{ + return tegra_clk_super_ops.get_parent(hw); +} + +static int cclk_super_set_parent(struct clk_hw *hw, u8 index) +{ + return tegra_clk_super_ops.set_parent(hw, index); +} + +static int cclk_super_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + return tegra_clk_super_ops.set_rate(hw, rate, parent_rate); +} + +static unsigned long cclk_super_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + if (cclk_super_get_parent(hw) == PLLX_INDEX) + return parent_rate; + + return tegra_clk_super_ops.recalc_rate(hw, parent_rate); +} + +static int cclk_super_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + struct clk_hw *pllp_hw = clk_hw_get_parent_by_index(hw, PLLP_INDEX); + struct clk_hw *pllx_hw = clk_hw_get_parent_by_index(hw, PLLX_INDEX); + struct tegra_clk_super_mux *super = to_clk_super_mux(hw); + unsigned long pllp_rate; + long rate = req->rate; + + if (WARN_ON_ONCE(!pllp_hw || !pllx_hw)) + return -EINVAL; + + /* + * Switch parent to PLLP for all CCLK rates that are suitable for PLLP. + * PLLX will be disabled in this case, saving some power. + */ + pllp_rate = clk_hw_get_rate(pllp_hw); + + if (rate <= pllp_rate) { + if (super->flags & TEGRA20_SUPER_CLK) + rate = pllp_rate; + else + rate = tegra_clk_super_ops.round_rate(hw, rate, + &pllp_rate); + + req->best_parent_rate = pllp_rate; + req->best_parent_hw = pllp_hw; + req->rate = rate; + } else { + rate = clk_hw_round_rate(pllx_hw, rate); + req->best_parent_rate = rate; + req->best_parent_hw = pllx_hw; + req->rate = rate; + } + + if (WARN_ON_ONCE(rate <= 0)) + return -EINVAL; + + return 0; +} + +static const struct clk_ops tegra_cclk_super_ops = { + .get_parent = cclk_super_get_parent, + .set_parent = cclk_super_set_parent, + .set_rate = cclk_super_set_rate, + .recalc_rate = cclk_super_recalc_rate, + .determine_rate = cclk_super_determine_rate, +}; + +static const struct clk_ops tegra_cclk_super_mux_ops = { + .get_parent = cclk_super_get_parent, + .set_parent = cclk_super_set_parent, + .determine_rate = cclk_super_determine_rate, +}; + +struct clk *tegra_clk_register_super_cclk(const char *name, + const char * const *parent_names, u8 num_parents, + unsigned long flags, void __iomem *reg, u8 clk_super_flags, + spinlock_t *lock) +{ + struct tegra_clk_super_mux *super; + struct clk *clk; + struct clk_init_data init; + u32 val; + + if (WARN_ON(cclk_super)) + return ERR_PTR(-EBUSY); + + super = kzalloc(sizeof(*super), GFP_KERNEL); + if (!super) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.flags = flags; + init.parent_names = parent_names; + init.num_parents = num_parents; + + super->reg = reg; + super->lock = lock; + super->width = 4; + super->flags = clk_super_flags; + super->hw.init = &init; + + if (super->flags & TEGRA20_SUPER_CLK) { + init.ops = &tegra_cclk_super_mux_ops; + } else { + init.ops = &tegra_cclk_super_ops; + + super->frac_div.reg = reg + 4; + super->frac_div.shift = 16; + super->frac_div.width = 8; + super->frac_div.frac_width = 1; + super->frac_div.lock = lock; + super->div_ops = &tegra_clk_frac_div_ops; + } + + /* + * Tegra30+ has the following CPUG clock topology: + * + * +---+ +-------+ +-+ +-+ +-+ + * PLLP+->+ +->+DIVIDER+->+0| +-------->+0| ------------->+0| + * | | +-------+ | | | +---+ | | | | | + * PLLC+->+MUX| | +->+ | S | | +->+ | +->+CPU + * ... | | | | | | K | | | | +-------+ | | + * PLLX+->+-->+------------>+1| +->+ I +->+1| +->+ DIV2 +->+1| + * +---+ +++ | P | +++ |SKIPPER| +++ + * ^ | P | ^ +-------+ ^ + * | | E | | | + * PLLX_SEL+--+ | R | | OVERHEAT+--+ + * +---+ | + * | + * SUPER_CDIV_ENB+--+ + * + * Tegra20 is similar, but simpler. It doesn't have the divider and + * thermal DIV2 skipper. + * + * At least for now we're not going to use clock-skipper, hence let's + * ensure that it is disabled. + */ + val = readl_relaxed(reg + 4); + val &= ~SUPER_CDIV_ENB; + writel_relaxed(val, reg + 4); + + clk = clk_register(NULL, &super->hw); + if (IS_ERR(clk)) + kfree(super); + else + cclk_super = super; + + return clk; +} + +int tegra_cclk_pre_pllx_rate_change(void) +{ + if (IS_ERR_OR_NULL(cclk_super)) + return -EINVAL; + + if (cclk_super_get_parent(&cclk_super->hw) == PLLX_INDEX) + cclk_on_pllx = true; + else + cclk_on_pllx = false; + + /* + * CPU needs to be temporarily re-parented away from PLLX if PLLX + * changes its rate. PLLP is a safe parent for CPU on all Tegra SoCs. + */ + if (cclk_on_pllx) + cclk_super_set_parent(&cclk_super->hw, PLLP_INDEX); + + return 0; +} + +void tegra_cclk_post_pllx_rate_change(void) +{ + if (cclk_on_pllx) + cclk_super_set_parent(&cclk_super->hw, PLLX_INDEX); +} diff --git a/drivers/clk/tegra/clk-emc.c b/drivers/clk/tegra/clk-tegra124-emc.c index 745f9faa98d8..745f9faa98d8 100644 --- a/drivers/clk/tegra/clk-emc.c +++ b/drivers/clk/tegra/clk-tegra124-emc.c diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c index 085feb04e913..3efc651b42e3 100644 --- a/drivers/clk/tegra/clk-tegra20.c +++ b/drivers/clk/tegra/clk-tegra20.c @@ -391,6 +391,8 @@ static struct tegra_clk_pll_params pll_x_params = { .lock_delay = 300, .freq_table = pll_x_freq_table, .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_HAS_LOCK_ENABLE, + .pre_rate_change = tegra_cclk_pre_pllx_rate_change, + .post_rate_change = tegra_cclk_post_pllx_rate_change, }; static struct tegra_clk_pll_params pll_e_params = { @@ -702,9 +704,10 @@ static void tegra20_super_clk_init(void) struct clk *clk; /* CCLK */ - clk = tegra_clk_register_super_mux("cclk", cclk_parents, + clk = tegra_clk_register_super_cclk("cclk", cclk_parents, ARRAY_SIZE(cclk_parents), CLK_SET_RATE_PARENT, - clk_base + CCLK_BURST_POLICY, 0, 4, 0, 0, NULL); + clk_base + CCLK_BURST_POLICY, TEGRA20_SUPER_CLK, + NULL); clks[TEGRA20_CLK_CCLK] = clk; /* SCLK */ diff --git a/drivers/clk/tegra/clk-tegra210-emc.c b/drivers/clk/tegra/clk-tegra210-emc.c new file mode 100644 index 000000000000..352a2c3fc374 --- /dev/null +++ b/drivers/clk/tegra/clk-tegra210-emc.c @@ -0,0 +1,369 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2015-2020, NVIDIA CORPORATION. All rights reserved. + */ + +#include <linux/bitfield.h> +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/clk/tegra.h> +#include <linux/device.h> +#include <linux/module.h> +#include <linux/io.h> +#include <linux/slab.h> + +#define CLK_SOURCE_EMC 0x19c +#define CLK_SOURCE_EMC_2X_CLK_SRC GENMASK(31, 29) +#define CLK_SOURCE_EMC_MC_EMC_SAME_FREQ BIT(16) +#define CLK_SOURCE_EMC_2X_CLK_DIVISOR GENMASK(7, 0) + +#define CLK_SRC_PLLM 0 +#define CLK_SRC_PLLC 1 +#define CLK_SRC_PLLP 2 +#define CLK_SRC_CLK_M 3 +#define CLK_SRC_PLLM_UD 4 +#define CLK_SRC_PLLMB_UD 5 +#define CLK_SRC_PLLMB 6 +#define CLK_SRC_PLLP_UD 7 + +struct tegra210_clk_emc { + struct clk_hw hw; + void __iomem *regs; + + struct tegra210_clk_emc_provider *provider; + + struct clk *parents[8]; +}; + +static inline struct tegra210_clk_emc * +to_tegra210_clk_emc(struct clk_hw *hw) +{ + return container_of(hw, struct tegra210_clk_emc, hw); +} + +static const char *tegra210_clk_emc_parents[] = { + "pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_mb_ud", + "pll_mb", "pll_p_ud", +}; + +static u8 tegra210_clk_emc_get_parent(struct clk_hw *hw) +{ + struct tegra210_clk_emc *emc = to_tegra210_clk_emc(hw); + u32 value; + u8 src; + + value = readl_relaxed(emc->regs + CLK_SOURCE_EMC); + src = FIELD_GET(CLK_SOURCE_EMC_2X_CLK_SRC, value); + + return src; +} + +static unsigned long tegra210_clk_emc_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct tegra210_clk_emc *emc = to_tegra210_clk_emc(hw); + u32 value, div; + + /* + * CCF assumes that neither the parent nor its rate will change during + * ->set_rate(), so the parent rate passed in here was cached from the + * parent before the ->set_rate() call. + * + * This can lead to wrong results being reported for the EMC clock if + * the parent and/or parent rate have changed as part of the EMC rate + * change sequence. Fix this by overriding the parent clock with what + * we know to be the correct value after the rate change. + */ + parent_rate = clk_hw_get_rate(clk_hw_get_parent(hw)); + + value = readl_relaxed(emc->regs + CLK_SOURCE_EMC); + + div = FIELD_GET(CLK_SOURCE_EMC_2X_CLK_DIVISOR, value); + div += 2; + + return DIV_ROUND_UP(parent_rate * 2, div); +} + +static long tegra210_clk_emc_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + struct tegra210_clk_emc *emc = to_tegra210_clk_emc(hw); + struct tegra210_clk_emc_provider *provider = emc->provider; + unsigned int i; + + if (!provider || !provider->configs || provider->num_configs == 0) + return clk_hw_get_rate(hw); + + for (i = 0; i < provider->num_configs; i++) { + if (provider->configs[i].rate >= rate) + return provider->configs[i].rate; + } + + return provider->configs[i - 1].rate; +} + +static struct clk *tegra210_clk_emc_find_parent(struct tegra210_clk_emc *emc, + u8 index) +{ + struct clk_hw *parent = clk_hw_get_parent_by_index(&emc->hw, index); + const char *name = clk_hw_get_name(parent); + + /* XXX implement cache? */ + + return __clk_lookup(name); +} + +static int tegra210_clk_emc_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct tegra210_clk_emc *emc = to_tegra210_clk_emc(hw); + struct tegra210_clk_emc_provider *provider = emc->provider; + struct tegra210_clk_emc_config *config; + struct device *dev = provider->dev; + struct clk_hw *old, *new, *parent; + u8 old_idx, new_idx, index; + struct clk *clk; + unsigned int i; + int err; + + if (!provider || !provider->configs || provider->num_configs == 0) + return -EINVAL; + + for (i = 0; i < provider->num_configs; i++) { + if (provider->configs[i].rate >= rate) { + config = &provider->configs[i]; + break; + } + } + + if (i == provider->num_configs) + config = &provider->configs[i - 1]; + + old_idx = tegra210_clk_emc_get_parent(hw); + new_idx = FIELD_GET(CLK_SOURCE_EMC_2X_CLK_SRC, config->value); + + old = clk_hw_get_parent_by_index(hw, old_idx); + new = clk_hw_get_parent_by_index(hw, new_idx); + + /* if the rate has changed... */ + if (config->parent_rate != clk_hw_get_rate(old)) { + /* ... but the clock source remains the same ... */ + if (new_idx == old_idx) { + /* ... switch to the alternative clock source. */ + switch (new_idx) { + case CLK_SRC_PLLM: + new_idx = CLK_SRC_PLLMB; + break; + + case CLK_SRC_PLLM_UD: + new_idx = CLK_SRC_PLLMB_UD; + break; + + case CLK_SRC_PLLMB_UD: + new_idx = CLK_SRC_PLLM_UD; + break; + + case CLK_SRC_PLLMB: + new_idx = CLK_SRC_PLLM; + break; + } + + /* + * This should never happen because we can't deal with + * it. + */ + if (WARN_ON(new_idx == old_idx)) + return -EINVAL; + + new = clk_hw_get_parent_by_index(hw, new_idx); + } + + index = new_idx; + parent = new; + } else { + index = old_idx; + parent = old; + } + + clk = tegra210_clk_emc_find_parent(emc, index); + if (IS_ERR(clk)) { + err = PTR_ERR(clk); + dev_err(dev, "failed to get parent clock for index %u: %d\n", + index, err); + return err; + } + + /* set the new parent clock to the required rate */ + if (clk_get_rate(clk) != config->parent_rate) { + err = clk_set_rate(clk, config->parent_rate); + if (err < 0) { + dev_err(dev, "failed to set rate %lu Hz for %pC: %d\n", + config->parent_rate, clk, err); + return err; + } + } + + /* enable the new parent clock */ + if (parent != old) { + err = clk_prepare_enable(clk); + if (err < 0) { + dev_err(dev, "failed to enable parent clock %pC: %d\n", + clk, err); + return err; + } + } + + /* update the EMC source configuration to reflect the new parent */ + config->value &= ~CLK_SOURCE_EMC_2X_CLK_SRC; + config->value |= FIELD_PREP(CLK_SOURCE_EMC_2X_CLK_SRC, index); + + /* + * Finally, switch the EMC programming with both old and new parent + * clocks enabled. + */ + err = provider->set_rate(dev, config); + if (err < 0) { + dev_err(dev, "failed to set EMC rate to %lu Hz: %d\n", rate, + err); + + /* + * If we're unable to switch to the new EMC frequency, we no + * longer need the new parent to be enabled. + */ + if (parent != old) + clk_disable_unprepare(clk); + + return err; + } + + /* reparent to new parent clock and disable the old parent clock */ + if (parent != old) { + clk = tegra210_clk_emc_find_parent(emc, old_idx); + if (IS_ERR(clk)) { + err = PTR_ERR(clk); + dev_err(dev, + "failed to get parent clock for index %u: %d\n", + old_idx, err); + return err; + } + + clk_hw_reparent(hw, parent); + clk_disable_unprepare(clk); + } + + return err; +} + +static const struct clk_ops tegra210_clk_emc_ops = { + .get_parent = tegra210_clk_emc_get_parent, + .recalc_rate = tegra210_clk_emc_recalc_rate, + .round_rate = tegra210_clk_emc_round_rate, + .set_rate = tegra210_clk_emc_set_rate, +}; + +struct clk *tegra210_clk_register_emc(struct device_node *np, + void __iomem *regs) +{ + struct tegra210_clk_emc *emc; + struct clk_init_data init; + struct clk *clk; + + emc = kzalloc(sizeof(*emc), GFP_KERNEL); + if (!emc) + return ERR_PTR(-ENOMEM); + + emc->regs = regs; + + init.name = "emc"; + init.ops = &tegra210_clk_emc_ops; + init.flags = CLK_IS_CRITICAL | CLK_GET_RATE_NOCACHE; + init.parent_names = tegra210_clk_emc_parents; + init.num_parents = ARRAY_SIZE(tegra210_clk_emc_parents); + emc->hw.init = &init; + + clk = clk_register(NULL, &emc->hw); + if (IS_ERR(clk)) { + kfree(emc); + return clk; + } + + return clk; +} + +int tegra210_clk_emc_attach(struct clk *clk, + struct tegra210_clk_emc_provider *provider) +{ + struct clk_hw *hw = __clk_get_hw(clk); + struct tegra210_clk_emc *emc = to_tegra210_clk_emc(hw); + struct device *dev = provider->dev; + unsigned int i; + int err; + + if (!try_module_get(provider->owner)) + return -ENODEV; + + for (i = 0; i < provider->num_configs; i++) { + struct tegra210_clk_emc_config *config = &provider->configs[i]; + struct clk_hw *parent; + bool same_freq; + u8 div, src; + + div = FIELD_GET(CLK_SOURCE_EMC_2X_CLK_DIVISOR, config->value); + src = FIELD_GET(CLK_SOURCE_EMC_2X_CLK_SRC, config->value); + + /* do basic sanity checking on the EMC timings */ + if (div & 0x1) { + dev_err(dev, "invalid odd divider %u for rate %lu Hz\n", + div, config->rate); + err = -EINVAL; + goto put; + } + + same_freq = config->value & CLK_SOURCE_EMC_MC_EMC_SAME_FREQ; + + if (same_freq != config->same_freq) { + dev_err(dev, + "ambiguous EMC to MC ratio for rate %lu Hz\n", + config->rate); + err = -EINVAL; + goto put; + } + + parent = clk_hw_get_parent_by_index(hw, src); + config->parent = src; + + if (src == CLK_SRC_PLLM || src == CLK_SRC_PLLM_UD) { + config->parent_rate = config->rate * (1 + div / 2); + } else { + unsigned long rate = config->rate * (1 + div / 2); + + config->parent_rate = clk_hw_get_rate(parent); + + if (config->parent_rate != rate) { + dev_err(dev, + "rate %lu Hz does not match input\n", + config->rate); + err = -EINVAL; + goto put; + } + } + } + + emc->provider = provider; + + return 0; + +put: + module_put(provider->owner); + return err; +} +EXPORT_SYMBOL_GPL(tegra210_clk_emc_attach); + +void tegra210_clk_emc_detach(struct clk *clk) +{ + struct tegra210_clk_emc *emc = to_tegra210_clk_emc(__clk_get_hw(clk)); + + module_put(emc->provider->owner); + emc->provider = NULL; +} +EXPORT_SYMBOL_GPL(tegra210_clk_emc_detach); diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c index defe3b7ebfa4..68cbb98af567 100644 --- a/drivers/clk/tegra/clk-tegra210.c +++ b/drivers/clk/tegra/clk-tegra210.c @@ -37,6 +37,7 @@ #define CLK_SOURCE_LA 0x1f8 #define CLK_SOURCE_SDMMC2 0x154 #define CLK_SOURCE_SDMMC4 0x164 +#define CLK_SOURCE_EMC_DLL 0x664 #define PLLC_BASE 0x80 #define PLLC_OUT 0x84 @@ -227,6 +228,10 @@ #define RST_DFLL_DVCO 0x2f4 #define DVFS_DFLL_RESET_SHIFT 0 +#define CLK_RST_CONTROLLER_CLK_OUT_ENB_X_SET 0x284 +#define CLK_RST_CONTROLLER_CLK_OUT_ENB_X_CLR 0x288 +#define CLK_OUT_ENB_X_CLK_ENB_EMC_DLL BIT(14) + #define CLK_RST_CONTROLLER_RST_DEV_Y_SET 0x2a8 #define CLK_RST_CONTROLLER_RST_DEV_Y_CLR 0x2ac #define CPU_SOFTRST_CTRL 0x380 @@ -314,12 +319,6 @@ static unsigned long tegra210_input_freq[] = { [8] = 12000000, }; -static const char *mux_pllmcp_clkm[] = { - "pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_mb", "pll_mb", - "pll_p", -}; -#define mux_pllmcp_clkm_idx NULL - #define PLL_ENABLE (1 << 30) #define PLLCX_MISC1_IDDQ (1 << 27) @@ -555,6 +554,27 @@ void tegra210_set_sata_pll_seq_sw(bool state) } EXPORT_SYMBOL_GPL(tegra210_set_sata_pll_seq_sw); +void tegra210_clk_emc_dll_enable(bool flag) +{ + u32 offset = flag ? CLK_RST_CONTROLLER_CLK_OUT_ENB_X_SET : + CLK_RST_CONTROLLER_CLK_OUT_ENB_X_CLR; + + writel_relaxed(CLK_OUT_ENB_X_CLK_ENB_EMC_DLL, clk_base + offset); +} +EXPORT_SYMBOL_GPL(tegra210_clk_emc_dll_enable); + +void tegra210_clk_emc_dll_update_setting(u32 emc_dll_src_value) +{ + writel_relaxed(emc_dll_src_value, clk_base + CLK_SOURCE_EMC_DLL); +} +EXPORT_SYMBOL_GPL(tegra210_clk_emc_dll_update_setting); + +void tegra210_clk_emc_update_setting(u32 emc_src_value) +{ + writel_relaxed(emc_src_value, clk_base + CLK_SOURCE_EMC); +} +EXPORT_SYMBOL_GPL(tegra210_clk_emc_update_setting); + static void tegra210_generic_mbist_war(struct tegra210_domain_mbist_war *mbist) { u32 val; @@ -2310,7 +2330,6 @@ static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = { [tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true }, [tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true }, [tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true }, - [tegra_clk_emc] = { .dt_id = TEGRA210_CLK_EMC, .present = true }, [tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true }, [tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true }, [tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true }, @@ -2953,6 +2972,27 @@ static const char * const sor1_parents[] = { static u32 sor1_parents_idx[] = { 0, 2, 5, 6 }; +static const struct clk_div_table mc_div_table_tegra210[] = { + { .val = 0, .div = 2 }, + { .val = 1, .div = 4 }, + { .val = 2, .div = 1 }, + { .val = 3, .div = 2 }, + { .val = 0, .div = 0 }, +}; + +static void tegra210_clk_register_mc(const char *name, + const char *parent_name) +{ + struct clk *clk; + + clk = clk_register_divider_table(NULL, name, parent_name, + CLK_IS_CRITICAL, + clk_base + CLK_SOURCE_EMC, + 15, 2, CLK_DIVIDER_READ_ONLY, + mc_div_table_tegra210, &emc_lock); + clks[TEGRA210_CLK_MC] = clk; +} + static const char * const sor1_out_parents[] = { /* * Bit 0 of the mux selects sor1_pad_clkout, irrespective of bit 1, so @@ -2995,7 +3035,8 @@ static const char * const la_parents[] = { static struct tegra_clk_periph tegra210_la = TEGRA_CLK_PERIPH(29, 7, 9, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, 76, 0, NULL, NULL); -static __init void tegra210_periph_clk_init(void __iomem *clk_base, +static __init void tegra210_periph_clk_init(struct device_node *np, + void __iomem *clk_base, void __iomem *pmc_base) { struct clk *clk; @@ -3035,22 +3076,19 @@ static __init void tegra210_periph_clk_init(void __iomem *clk_base, periph_clk_enb_refcnt); clks[TEGRA210_CLK_DSIB] = clk; + /* csi_tpg */ + clk = clk_register_gate(NULL, "csi_tpg", "pll_d", + CLK_SET_RATE_PARENT, clk_base + PLLD_BASE, + 23, 0, &pll_d_lock); + clk_register_clkdev(clk, "csi_tpg", NULL); + clks[TEGRA210_CLK_CSI_TPG] = clk; + /* la */ clk = tegra_clk_register_periph("la", la_parents, ARRAY_SIZE(la_parents), &tegra210_la, clk_base, CLK_SOURCE_LA, 0); clks[TEGRA210_CLK_LA] = clk; - /* emc mux */ - clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm, - ARRAY_SIZE(mux_pllmcp_clkm), 0, - clk_base + CLK_SOURCE_EMC, - 29, 3, 0, &emc_lock); - - clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC, - &emc_lock); - clks[TEGRA210_CLK_MC] = clk; - /* cml0 */ clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX, 0, 0, &pll_e_lock); @@ -3093,6 +3131,13 @@ static __init void tegra210_periph_clk_init(void __iomem *clk_base, } tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params); + + /* emc */ + clk = tegra210_clk_register_emc(np, clk_base); + clks[TEGRA210_CLK_EMC] = clk; + + /* mc */ + tegra210_clk_register_mc("mc", "emc"); } static void __init tegra210_pll_init(void __iomem *clk_base, @@ -3153,6 +3198,17 @@ static void __init tegra210_pll_init(void __iomem *clk_base, clk_register_clkdev(clk, "pll_m_ud", NULL); clks[TEGRA210_CLK_PLL_M_UD] = clk; + /* PLLMB_UD */ + clk = clk_register_fixed_factor(NULL, "pll_mb_ud", "pll_mb", + CLK_SET_RATE_PARENT, 1, 1); + clk_register_clkdev(clk, "pll_mb_ud", NULL); + clks[TEGRA210_CLK_PLL_MB_UD] = clk; + + /* PLLP_UD */ + clk = clk_register_fixed_factor(NULL, "pll_p_ud", "pll_p", + 0, 1, 1); + clks[TEGRA210_CLK_PLL_P_UD] = clk; + /* PLLU_VCO */ if (!tegra210_init_pllu()) { clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0, @@ -3680,7 +3736,7 @@ static void __init tegra210_clock_init(struct device_node *np) tegra_fixed_clk_init(tegra210_clks); tegra210_pll_init(clk_base, pmc_base); - tegra210_periph_clk_init(clk_base, pmc_base); + tegra210_periph_clk_init(np, clk_base, pmc_base); tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks, tegra210_audio_plls, ARRAY_SIZE(tegra210_audio_plls), 24576000); diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c index 3255f82e61b5..37244a7e68c2 100644 --- a/drivers/clk/tegra/clk-tegra30.c +++ b/drivers/clk/tegra/clk-tegra30.c @@ -499,6 +499,8 @@ static struct tegra_clk_pll_params pll_x_params __ro_after_init = { .freq_table = pll_x_freq_table, .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_DCCON | TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, + .pre_rate_change = tegra_cclk_pre_pllx_rate_change, + .post_rate_change = tegra_cclk_post_pllx_rate_change, }; static struct tegra_clk_pll_params pll_e_params __ro_after_init = { @@ -926,11 +928,11 @@ static void __init tegra30_super_clk_init(void) clk_register_clkdev(clk, "pll_p_out4_cclkg", NULL); /* CCLKG */ - clk = tegra_clk_register_super_mux("cclk_g", cclk_g_parents, + clk = tegra_clk_register_super_cclk("cclk_g", cclk_g_parents, ARRAY_SIZE(cclk_g_parents), CLK_SET_RATE_PARENT, clk_base + CCLKG_BURST_POLICY, - 0, 4, 0, 0, NULL); + 0, NULL); clks[TEGRA30_CLK_CCLK_G] = clk; /* diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h index 2c9a68302e02..6b565f6b5f66 100644 --- a/drivers/clk/tegra/clk.h +++ b/drivers/clk/tegra/clk.h @@ -266,6 +266,10 @@ struct tegra_clk_pll; * disabled. * @dyn_ramp: Callback which can be used to define a custom * dynamic ramp function for a given PLL. + * @pre_rate_change: Callback which is invoked just before changing + * PLL's rate. + * @post_rate_change: Callback which is invoked right after changing + * PLL's rate. * * Flags: * TEGRA_PLL_USE_LOCK - This flag indicated to use lock bits for @@ -342,6 +346,8 @@ struct tegra_clk_pll_params { void (*set_defaults)(struct tegra_clk_pll *pll); int (*dyn_ramp)(struct tegra_clk_pll *pll, struct tegra_clk_pll_freq_table *cfg); + int (*pre_rate_change)(void); + void (*post_rate_change)(void); }; #define TEGRA_PLL_USE_LOCK BIT(0) @@ -729,8 +735,10 @@ struct clk *tegra_clk_register_periph_data(void __iomem *clk_base, * TEGRA_DIVIDER_2 - LP cluster has additional divider. This flag indicates * that this is LP cluster clock. * TEGRA210_CPU_CLK - This flag is used to identify CPU cluster for gen5 - * super mux parent using PLLP branches. To use PLLP branches to CPU, need - * to configure additional bit PLLP_OUT_CPU in the clock registers. + * super mux parent using PLLP branches. To use PLLP branches to CPU, need + * to configure additional bit PLLP_OUT_CPU in the clock registers. + * TEGRA20_SUPER_CLK - Tegra20 doesn't have a dedicated divider for Super + * clocks, it only has a clock-skipper. */ struct tegra_clk_super_mux { struct clk_hw hw; @@ -748,6 +756,7 @@ struct tegra_clk_super_mux { #define TEGRA_DIVIDER_2 BIT(0) #define TEGRA210_CPU_CLK BIT(1) +#define TEGRA20_SUPER_CLK BIT(2) extern const struct clk_ops tegra_clk_super_ops; struct clk *tegra_clk_register_super_mux(const char *name, @@ -758,6 +767,12 @@ struct clk *tegra_clk_register_super_clk(const char *name, const char * const *parent_names, u8 num_parents, unsigned long flags, void __iomem *reg, u8 clk_super_flags, spinlock_t *lock); +struct clk *tegra_clk_register_super_cclk(const char *name, + const char * const *parent_names, u8 num_parents, + unsigned long flags, void __iomem *reg, u8 clk_super_flags, + spinlock_t *lock); +int tegra_cclk_pre_pllx_rate_change(void); +void tegra_cclk_post_pllx_rate_change(void); /** * struct tegra_sdmmc_mux - switch divider with Low Jitter inputs for SDMMC @@ -866,7 +881,7 @@ void tegra_super_clk_gen5_init(void __iomem *clk_base, void __iomem *pmc_base, struct tegra_clk *tegra_clks, struct tegra_clk_pll_params *pll_params); -#ifdef CONFIG_TEGRA_CLK_EMC +#ifdef CONFIG_TEGRA124_EMC struct clk *tegra_clk_register_emc(void __iomem *base, struct device_node *np, spinlock_t *lock); #else @@ -907,4 +922,7 @@ void tegra_clk_periph_resume(void); bool tegra20_clk_emc_driver_available(struct clk_hw *emc_hw); struct clk *tegra20_clk_register_emc(void __iomem *ioaddr, bool low_jitter); +struct clk *tegra210_clk_register_emc(struct device_node *np, + void __iomem *regs); + #endif /* TEGRA_CLK_H */ diff --git a/drivers/clk/ti/clk-44xx.c b/drivers/clk/ti/clk-44xx.c index 312a20f8ec0e..a38c92153979 100644 --- a/drivers/clk/ti/clk-44xx.c +++ b/drivers/clk/ti/clk-44xx.c @@ -606,13 +606,13 @@ static const struct omap_clkctrl_reg_data omap4_l4_per_clkctrl_regs[] __initcons static const struct omap_clkctrl_reg_data omap4_l4_secure_clkctrl_regs[] __initconst = { - { OMAP4_AES1_CLKCTRL, NULL, CLKF_SW_SUP, "" }, - { OMAP4_AES2_CLKCTRL, NULL, CLKF_SW_SUP, "" }, - { OMAP4_DES3DES_CLKCTRL, NULL, CLKF_SW_SUP, "" }, - { OMAP4_PKA_CLKCTRL, NULL, CLKF_SW_SUP, "" }, - { OMAP4_RNG_CLKCTRL, NULL, CLKF_HW_SUP | CLKF_SOC_NONSEC, "" }, - { OMAP4_SHA2MD5_CLKCTRL, NULL, CLKF_SW_SUP, "" }, - { OMAP4_CRYPTODMA_CLKCTRL, NULL, CLKF_HW_SUP | CLKF_SOC_NONSEC, "" }, + { OMAP4_AES1_CLKCTRL, NULL, CLKF_SW_SUP, "l3_div_ck" }, + { OMAP4_AES2_CLKCTRL, NULL, CLKF_SW_SUP, "l3_div_ck" }, + { OMAP4_DES3DES_CLKCTRL, NULL, CLKF_SW_SUP, "l4_div_ck" }, + { OMAP4_PKA_CLKCTRL, NULL, CLKF_SW_SUP, "l4_div_ck" }, + { OMAP4_RNG_CLKCTRL, NULL, CLKF_HW_SUP | CLKF_SOC_NONSEC, "l4_div_ck" }, + { OMAP4_SHA2MD5_CLKCTRL, NULL, CLKF_SW_SUP, "l3_div_ck" }, + { OMAP4_CRYPTODMA_CLKCTRL, NULL, CLKF_HW_SUP | CLKF_SOC_NONSEC, "l3_div_ck" }, { 0 }, }; diff --git a/drivers/clk/ti/clk-54xx.c b/drivers/clk/ti/clk-54xx.c index 92bf2dda95b9..8694bc9f5fc7 100644 --- a/drivers/clk/ti/clk-54xx.c +++ b/drivers/clk/ti/clk-54xx.c @@ -303,13 +303,13 @@ static const struct omap_clkctrl_reg_data omap5_l4per_clkctrl_regs[] __initconst static const struct omap_clkctrl_reg_data omap5_l4_secure_clkctrl_regs[] __initconst = { - { OMAP5_AES1_CLKCTRL, NULL, CLKF_HW_SUP, "" }, - { OMAP5_AES2_CLKCTRL, NULL, CLKF_HW_SUP, "" }, - { OMAP5_DES3DES_CLKCTRL, NULL, CLKF_HW_SUP, "" }, - { OMAP5_FPKA_CLKCTRL, NULL, CLKF_SW_SUP, "" }, - { OMAP5_RNG_CLKCTRL, NULL, CLKF_HW_SUP | CLKF_SOC_NONSEC, "" }, - { OMAP5_SHA2MD5_CLKCTRL, NULL, CLKF_HW_SUP, "" }, - { OMAP5_DMA_CRYPTO_CLKCTRL, NULL, CLKF_HW_SUP | CLKF_SOC_NONSEC, "" }, + { OMAP5_AES1_CLKCTRL, NULL, CLKF_HW_SUP, "l3_iclk_div" }, + { OMAP5_AES2_CLKCTRL, NULL, CLKF_HW_SUP, "l3_iclk_div" }, + { OMAP5_DES3DES_CLKCTRL, NULL, CLKF_HW_SUP, "l4_root_clk_div" }, + { OMAP5_FPKA_CLKCTRL, NULL, CLKF_SW_SUP, "l4_root_clk_div" }, + { OMAP5_RNG_CLKCTRL, NULL, CLKF_HW_SUP | CLKF_SOC_NONSEC, "l4_root_clk_div" }, + { OMAP5_SHA2MD5_CLKCTRL, NULL, CLKF_HW_SUP, "l3_iclk_div" }, + { OMAP5_DMA_CRYPTO_CLKCTRL, NULL, CLKF_HW_SUP | CLKF_SOC_NONSEC, "l3_iclk_div" }, { 0 }, }; diff --git a/drivers/clk/ti/clk-7xx.c b/drivers/clk/ti/clk-7xx.c index 14b645093107..b4cf578a69e1 100644 --- a/drivers/clk/ti/clk-7xx.c +++ b/drivers/clk/ti/clk-7xx.c @@ -312,15 +312,6 @@ static const char * const dra7_gpu_hyd_mux_parents[] __initconst = { NULL, }; -static const char * const dra7_gpu_sys_clk_parents[] __initconst = { - "sys_clkin", - NULL, -}; - -static const struct omap_clkctrl_div_data dra7_gpu_sys_clk_data __initconst = { - .max_div = 2, -}; - static const struct omap_clkctrl_bit_data dra7_gpu_core_bit_data[] __initconst = { { 24, TI_CLK_MUX, dra7_gpu_core_mux_parents, NULL, }, { 26, TI_CLK_MUX, dra7_gpu_hyd_mux_parents, NULL, }, @@ -328,7 +319,7 @@ static const struct omap_clkctrl_bit_data dra7_gpu_core_bit_data[] __initconst = }; static const struct omap_clkctrl_reg_data dra7_gpu_clkctrl_regs[] __initconst = { - { DRA7_GPU_CLKCTRL, dra7_gpu_core_bit_data, CLKF_SW_SUP, "gpu_cm:clk:0000:24", }, + { DRA7_GPU_CLKCTRL, dra7_gpu_core_bit_data, CLKF_SW_SUP, "gpu-clkctrl:0000:24", }, { 0 }, }; @@ -644,7 +635,7 @@ static const struct omap_clkctrl_reg_data dra7_l4sec_clkctrl_regs[] __initconst { DRA7_L4SEC_AES1_CLKCTRL, NULL, CLKF_HW_SUP, "l3_iclk_div" }, { DRA7_L4SEC_AES2_CLKCTRL, NULL, CLKF_HW_SUP, "l3_iclk_div" }, { DRA7_L4SEC_DES_CLKCTRL, NULL, CLKF_HW_SUP, "l3_iclk_div" }, - { DRA7_L4SEC_RNG_CLKCTRL, NULL, CLKF_HW_SUP | CLKF_SOC_NONSEC, "" }, + { DRA7_L4SEC_RNG_CLKCTRL, NULL, CLKF_HW_SUP | CLKF_SOC_NONSEC, "l4_root_clk_div" }, { DRA7_L4SEC_SHAM_CLKCTRL, NULL, CLKF_HW_SUP, "l3_iclk_div" }, { 0 }, }; @@ -815,7 +806,7 @@ static const struct omap_clkctrl_reg_data dra7_wkupaon_clkctrl_regs[] __initcons { DRA7_WKUPAON_COUNTER_32K_CLKCTRL, NULL, 0, "wkupaon_iclk_mux" }, { DRA7_WKUPAON_UART10_CLKCTRL, dra7_uart10_bit_data, CLKF_SW_SUP, "wkupaon-clkctrl:0060:24" }, { DRA7_WKUPAON_DCAN1_CLKCTRL, dra7_dcan1_bit_data, CLKF_SW_SUP, "wkupaon-clkctrl:0068:24" }, - { DRA7_WKUPAON_ADC_CLKCTRL, NULL, CLKF_SW_SUP, "mcan_clk" }, + { DRA7_WKUPAON_ADC_CLKCTRL, NULL, CLKF_SW_SUP | CLKF_SOC_DRA76, "mcan_clk" }, { 0 }, }; diff --git a/drivers/clk/ti/composite.c b/drivers/clk/ti/composite.c index 6a89936ba03a..eaa43575cfa5 100644 --- a/drivers/clk/ti/composite.c +++ b/drivers/clk/ti/composite.c @@ -196,6 +196,7 @@ cleanup: if (!cclk->comp_clks[i]) continue; list_del(&cclk->comp_clks[i]->link); + kfree(cclk->comp_clks[i]->parent_names); kfree(cclk->comp_clks[i]); } diff --git a/drivers/clk/zynqmp/clk-zynqmp.h b/drivers/clk/zynqmp/clk-zynqmp.h index fec9a15c8786..5beeb41b29fa 100644 --- a/drivers/clk/zynqmp/clk-zynqmp.h +++ b/drivers/clk/zynqmp/clk-zynqmp.h @@ -30,6 +30,7 @@ struct clock_topology { u32 type; u32 flag; u32 type_flag; + u8 custom_type_flag; }; struct clk_hw *zynqmp_clk_register_pll(const char *name, u32 clk_id, diff --git a/drivers/clk/zynqmp/clkc.c b/drivers/clk/zynqmp/clkc.c index 10e89f23880b..bfc1e7dd0f58 100644 --- a/drivers/clk/zynqmp/clkc.c +++ b/drivers/clk/zynqmp/clkc.c @@ -84,6 +84,7 @@ struct name_resp { struct topology_resp { #define CLK_TOPOLOGY_TYPE GENMASK(3, 0) +#define CLK_TOPOLOGY_CUSTOM_TYPE_FLAGS GENMASK(7, 4) #define CLK_TOPOLOGY_FLAGS GENMASK(23, 8) #define CLK_TOPOLOGY_TYPE_FLAGS GENMASK(31, 24) u32 topology[CLK_GET_TOPOLOGY_RESP_WORDS]; @@ -396,6 +397,9 @@ static int __zynqmp_clock_get_topology(struct clock_topology *topology, topology[*nnodes].type_flag = FIELD_GET(CLK_TOPOLOGY_TYPE_FLAGS, response->topology[i]); + topology[*nnodes].custom_type_flag = + FIELD_GET(CLK_TOPOLOGY_CUSTOM_TYPE_FLAGS, + response->topology[i]); (*nnodes)++; } @@ -558,7 +562,7 @@ static struct clk_hw *zynqmp_register_clk_topology(int clk_id, char *clk_name, { int j; u32 num_nodes, clk_dev_id; - char *clk_out = NULL; + char *clk_out[MAX_NODES]; struct clock_topology *nodes; struct clk_hw *hw = NULL; @@ -572,16 +576,16 @@ static struct clk_hw *zynqmp_register_clk_topology(int clk_id, char *clk_name, * Intermediate clock names are postfixed with type of clock. */ if (j != (num_nodes - 1)) { - clk_out = kasprintf(GFP_KERNEL, "%s%s", clk_name, + clk_out[j] = kasprintf(GFP_KERNEL, "%s%s", clk_name, clk_type_postfix[nodes[j].type]); } else { - clk_out = kasprintf(GFP_KERNEL, "%s", clk_name); + clk_out[j] = kasprintf(GFP_KERNEL, "%s", clk_name); } if (!clk_topology[nodes[j].type]) continue; - hw = (*clk_topology[nodes[j].type])(clk_out, clk_dev_id, + hw = (*clk_topology[nodes[j].type])(clk_out[j], clk_dev_id, parent_names, num_parents, &nodes[j]); @@ -590,9 +594,12 @@ static struct clk_hw *zynqmp_register_clk_topology(int clk_id, char *clk_name, __func__, clk_dev_id, clk_name, PTR_ERR(hw)); - parent_names[0] = clk_out; + parent_names[0] = clk_out[j]; } - kfree(clk_out); + + for (j = 0; j < num_nodes; j++) + kfree(clk_out[j]); + return hw; } @@ -663,6 +670,11 @@ static void zynqmp_get_clock_info(void) continue; clock[i].valid = FIELD_GET(CLK_ATTR_VALID, attr.attr[0]); + /* skip query for Invalid clock */ + ret = zynqmp_is_valid_clock(i); + if (ret != CLK_ATTR_VALID) + continue; + clock[i].type = FIELD_GET(CLK_ATTR_TYPE, attr.attr[0]) ? CLK_TYPE_EXTERNAL : CLK_TYPE_OUTPUT; diff --git a/drivers/clk/zynqmp/divider.c b/drivers/clk/zynqmp/divider.c index 4be2cc76aa2e..b22ca33e40c0 100644 --- a/drivers/clk/zynqmp/divider.c +++ b/drivers/clk/zynqmp/divider.c @@ -25,7 +25,8 @@ #define to_zynqmp_clk_divider(_hw) \ container_of(_hw, struct zynqmp_clk_divider, hw) -#define CLK_FRAC BIT(13) /* has a fractional parent */ +#define CLK_FRAC BIT(13) /* has a fractional parent */ +#define CUSTOM_FLAG_CLK_FRAC BIT(0) /* has a fractional parent in custom type flag */ /** * struct zynqmp_clk_divider - adjustable divider clock @@ -111,23 +112,30 @@ static unsigned long zynqmp_clk_divider_recalc_rate(struct clk_hw *hw, static void zynqmp_get_divider2_val(struct clk_hw *hw, unsigned long rate, - unsigned long parent_rate, struct zynqmp_clk_divider *divider, int *bestdiv) { int div1; int div2; long error = LONG_MAX; - struct clk_hw *parent_hw = clk_hw_get_parent(hw); - struct zynqmp_clk_divider *pdivider = to_zynqmp_clk_divider(parent_hw); + unsigned long div1_prate; + struct clk_hw *div1_parent_hw; + struct clk_hw *div2_parent_hw = clk_hw_get_parent(hw); + struct zynqmp_clk_divider *pdivider = + to_zynqmp_clk_divider(div2_parent_hw); if (!pdivider) return; + div1_parent_hw = clk_hw_get_parent(div2_parent_hw); + if (!div1_parent_hw) + return; + + div1_prate = clk_hw_get_rate(div1_parent_hw); *bestdiv = 1; for (div1 = 1; div1 <= pdivider->max_div;) { for (div2 = 1; div2 <= divider->max_div;) { - long new_error = ((parent_rate / div1) / div2) - rate; + long new_error = ((div1_prate / div1) / div2) - rate; if (abs(new_error) < abs(error)) { *bestdiv = div2; @@ -192,11 +200,13 @@ static long zynqmp_clk_divider_round_rate(struct clk_hw *hw, */ if (div_type == TYPE_DIV2 && (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT)) { - zynqmp_get_divider2_val(hw, rate, *prate, divider, &bestdiv); + zynqmp_get_divider2_val(hw, rate, divider, &bestdiv); } if ((clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) && divider->is_frac) bestdiv = rate % *prate ? 1 : bestdiv; + + bestdiv = min_t(u32, bestdiv, divider->max_div); *prate = rate * bestdiv; return rate; @@ -256,7 +266,7 @@ static const struct clk_ops zynqmp_clk_divider_ops = { * Return: Maximum divisor of a clock if query data is successful * U16_MAX in case of query data is not success */ -u32 zynqmp_clk_get_max_divisor(u32 clk_id, u32 type) +static u32 zynqmp_clk_get_max_divisor(u32 clk_id, u32 type) { const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops(); struct zynqmp_pm_query_data qdata = {0}; @@ -311,7 +321,8 @@ struct clk_hw *zynqmp_clk_register_divider(const char *name, init.num_parents = 1; /* struct clk_divider assignments */ - div->is_frac = !!(nodes->flag & CLK_FRAC); + div->is_frac = !!((nodes->flag & CLK_FRAC) | + (nodes->custom_type_flag & CUSTOM_FLAG_CLK_FRAC)); div->flags = nodes->type_flag; div->hw.init = &init; div->clk_id = clk_id; |