diff options
Diffstat (limited to 'drivers/clk/at91/sama7g5.c')
| -rw-r--r-- | drivers/clk/at91/sama7g5.c | 1401 |
1 files changed, 1401 insertions, 0 deletions
diff --git a/drivers/clk/at91/sama7g5.c b/drivers/clk/at91/sama7g5.c new file mode 100644 index 0000000000..b96937673b --- /dev/null +++ b/drivers/clk/at91/sama7g5.c @@ -0,0 +1,1401 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * SAMA7G5 PMC clock support. + * + * Copyright (C) 2020 Microchip Technology Inc. and its subsidiaries + * + * Author: Claudiu Beznea <claudiu.beznea@microchip.com> + * + * Based on drivers/clk/at91/sama7g5.c from Linux. + */ + +#include <common.h> +#include <clk-uclass.h> +#include <dm.h> +#include <dt-bindings/clk/at91.h> +#include <linux/clk-provider.h> + +#include "pmc.h" + +/** + * Clock identifiers to be used in conjunction with macros like + * AT91_TO_CLK_ID() + * + * @ID_MD_SLCK: TD slow clock identifier + * @ID_TD_SLCK: MD slow clock identifier + * @ID_MAIN_XTAL: Main Xtal clock identifier + * @ID_MAIN_RC: Main RC clock identifier + * @ID_MAIN_RC_OSC: Main RC Oscillator clock identifier + * @ID_MAIN_OSC: Main Oscillator clock identifier + * @ID_MAINCK: MAINCK clock identifier + * @ID_PLL_CPU_FRAC: CPU PLL fractional clock identifier + * @ID_PLL_CPU_DIV: CPU PLL divider clock identifier + * @ID_PLL_SYS_FRAC: SYS PLL fractional clock identifier + * @ID_PLL_SYS_DIV: SYS PLL divider clock identifier + * @ID_PLL_DDR_FRAC: DDR PLL fractional clock identifier + * @ID_PLL_DDR_DIV: DDR PLL divider clock identifier + * @ID_PLL_IMG_FRAC: IMC PLL fractional clock identifier + * @ID_PLL_IMG_DIV: IMG PLL divider clock identifier + * @ID_PLL_BAUD_FRAC: Baud PLL fractional clock identifier + * @ID_PLL_BAUD_DIV: Baud PLL divider clock identifier + * @ID_PLL_AUDIO_FRAC: Audio PLL fractional clock identifier + * @ID_PLL_AUDIO_DIVPMC: Audio PLL PMC divider clock identifier + * @ID_PLL_AUDIO_DIVIO: Audio PLL IO divider clock identifier + * @ID_PLL_ETH_FRAC: Ethernet PLL fractional clock identifier + * @ID_PLL_ETH_DIV: Ethernet PLL divider clock identifier + + * @ID_MCK0: MCK0 clock identifier + * @ID_MCK1: MCK1 clock identifier + * @ID_MCK2: MCK2 clock identifier + * @ID_MCK3: MCK3 clock identifier + * @ID_MCK4: MCK4 clock identifier + + * @ID_UTMI: UTMI clock identifier + + * @ID_PROG0: Programmable 0 clock identifier + * @ID_PROG1: Programmable 1 clock identifier + * @ID_PROG2: Programmable 2 clock identifier + * @ID_PROG3: Programmable 3 clock identifier + * @ID_PROG4: Programmable 4 clock identifier + * @ID_PROG5: Programmable 5 clock identifier + * @ID_PROG6: Programmable 6 clock identifier + * @ID_PROG7: Programmable 7 clock identifier + + * @ID_PCK0: System clock 0 clock identifier + * @ID_PCK1: System clock 1 clock identifier + * @ID_PCK2: System clock 2 clock identifier + * @ID_PCK3: System clock 3 clock identifier + * @ID_PCK4: System clock 4 clock identifier + * @ID_PCK5: System clock 5 clock identifier + * @ID_PCK6: System clock 6 clock identifier + * @ID_PCK7: System clock 7 clock identifier + */ +enum pmc_clk_ids { + ID_MD_SLCK = 0, + ID_TD_SLCK = 1, + ID_MAIN_XTAL = 2, + ID_MAIN_RC = 3, + ID_MAIN_RC_OSC = 4, + ID_MAIN_OSC = 5, + ID_MAINCK = 6, + + ID_PLL_CPU_FRAC = 7, + ID_PLL_CPU_DIV = 8, + ID_PLL_SYS_FRAC = 9, + ID_PLL_SYS_DIV = 10, + ID_PLL_DDR_FRAC = 11, + ID_PLL_DDR_DIV = 12, + ID_PLL_IMG_FRAC = 13, + ID_PLL_IMG_DIV = 14, + ID_PLL_BAUD_FRAC = 15, + ID_PLL_BAUD_DIV = 16, + ID_PLL_AUDIO_FRAC = 17, + ID_PLL_AUDIO_DIVPMC = 18, + ID_PLL_AUDIO_DIVIO = 19, + ID_PLL_ETH_FRAC = 20, + ID_PLL_ETH_DIV = 21, + + ID_MCK0 = 22, + ID_MCK1 = 23, + ID_MCK2 = 24, + ID_MCK3 = 25, + ID_MCK4 = 26, + + ID_UTMI = 27, + + ID_PROG0 = 28, + ID_PROG1 = 29, + ID_PROG2 = 30, + ID_PROG3 = 31, + ID_PROG4 = 32, + ID_PROG5 = 33, + ID_PROG6 = 34, + ID_PROG7 = 35, + + ID_PCK0 = 36, + ID_PCK1 = 37, + ID_PCK2 = 38, + ID_PCK3 = 39, + ID_PCK4 = 40, + ID_PCK5 = 41, + ID_PCK6 = 42, + ID_PCK7 = 43, + + ID_MAX, +}; + +/** + * PLL type identifiers + * @PLL_TYPE_FRAC: fractional PLL identifier + * @PLL_TYPE_DIV: divider PLL identifier + */ +enum pll_type { + PLL_TYPE_FRAC, + PLL_TYPE_DIV, +}; + +/* Clock names used as parents for multiple clocks. */ +static const char *clk_names[] = { + [ID_MAIN_RC_OSC] = "main_rc_osc", + [ID_MAIN_OSC] = "main_osc", + [ID_MAINCK] = "mainck", + [ID_PLL_CPU_DIV] = "cpupll_divpmcck", + [ID_PLL_SYS_DIV] = "syspll_divpmcck", + [ID_PLL_DDR_DIV] = "ddrpll_divpmcck", + [ID_PLL_IMG_DIV] = "imgpll_divpmcck", + [ID_PLL_BAUD_DIV] = "baudpll_divpmcck", + [ID_PLL_AUDIO_DIVPMC] = "audiopll_divpmcck", + [ID_PLL_AUDIO_DIVIO] = "audiopll_diviock", + [ID_PLL_ETH_DIV] = "ethpll_divpmcck", + [ID_MCK0] = "mck0", +}; + +/* Fractional PLL output range. */ +static const struct clk_range pll_outputs[] = { + { .min = 2343750, .max = 1200000000 }, +}; + +/* PLL characteristics. */ +static const struct clk_pll_characteristics pll_characteristics = { + .input = { .min = 12000000, .max = 50000000 }, + .num_output = ARRAY_SIZE(pll_outputs), + .output = pll_outputs, +}; + +/* Layout for fractional PLLs. */ +static const struct clk_pll_layout pll_layout_frac = { + .mul_mask = GENMASK(31, 24), + .frac_mask = GENMASK(21, 0), + .mul_shift = 24, + .frac_shift = 0, +}; + +/* Layout for DIVPMC dividers. */ +static const struct clk_pll_layout pll_layout_divpmc = { + .div_mask = GENMASK(7, 0), + .endiv_mask = BIT(29), + .div_shift = 0, + .endiv_shift = 29, +}; + +/* Layout for DIVIO dividers. */ +static const struct clk_pll_layout pll_layout_divio = { + .div_mask = GENMASK(19, 12), + .endiv_mask = BIT(30), + .div_shift = 12, + .endiv_shift = 30, +}; + +/* MCK0 characteristics. */ +static const struct clk_master_characteristics mck0_characteristics = { + .output = { .min = 140000000, .max = 200000000 }, + .divisors = { 1, 2, 4, 3 }, + .have_div3_pres = 1, +}; + +/* MCK0 layout. */ +static const struct clk_master_layout mck0_layout = { + .mask = 0x373, + .pres_shift = 4, + .offset = 0x28, +}; + +/* Programmable clock layout. */ +static const struct clk_programmable_layout programmable_layout = { + .pres_mask = 0xff, + .pres_shift = 8, + .css_mask = 0x1f, + .have_slck_mck = 0, + .is_pres_direct = 1, +}; + +/* Peripheral clock layout. */ +static const struct clk_pcr_layout sama7g5_pcr_layout = { + .offset = 0x88, + .cmd = BIT(31), + .gckcss_mask = GENMASK(12, 8), + .pid_mask = GENMASK(6, 0), + .div_mask = GENMASK(15, 14), +}; + +/** + * PLL clocks description + * @n: clock name + * @p: clock parent + * @l: clock layout + * @t: clock type + * @c: true if clock is critical and cannot be disabled + * @id: clock id corresponding to PLL driver + * @cid: clock id corresponding to clock subsystem + */ +static const struct { + const char *n; + const char *p; + const struct clk_pll_layout *l; + u8 t; + u8 c; + u8 id; + u8 cid; +} sama7g5_plls[] = { + { + .n = "cpupll_fracck", + .p = "mainck", + .l = &pll_layout_frac, + .t = PLL_TYPE_FRAC, + .c = 1, + .id = 0, + .cid = ID_PLL_CPU_FRAC, + }, + + { + .n = "cpupll_divpmcck", + .p = "cpupll_fracck", + .l = &pll_layout_divpmc, + .t = PLL_TYPE_DIV, + .c = 1, + .id = 0, + .cid = ID_PLL_CPU_DIV, + }, + + { + .n = "syspll_fracck", + .p = "mainck", + .l = &pll_layout_frac, + .t = PLL_TYPE_FRAC, + .c = 1, + .id = 1, + .cid = ID_PLL_SYS_FRAC, + }, + + { + .n = "syspll_divpmcck", + .p = "syspll_fracck", + .l = &pll_layout_divpmc, + .t = PLL_TYPE_DIV, + .c = 1, + .id = 1, + .cid = ID_PLL_SYS_DIV, + }, + + { + .n = "ddrpll_fracck", + .p = "mainck", + .l = &pll_layout_frac, + .t = PLL_TYPE_FRAC, + .c = 1, + .id = 2, + .cid = ID_PLL_DDR_FRAC, + }, + + { + .n = "ddrpll_divpmcck", + .p = "ddrpll_fracck", + .l = &pll_layout_divpmc, + .t = PLL_TYPE_DIV, + .c = 1, + .id = 2, + .cid = ID_PLL_DDR_DIV, + }, + + { + .n = "imgpll_fracck", + .p = "mainck", + .l = &pll_layout_frac, + .t = PLL_TYPE_FRAC, + .id = 3, + .cid = ID_PLL_IMG_FRAC, + }, + + { + .n = "imgpll_divpmcck", + .p = "imgpll_fracck", + .l = &pll_layout_divpmc, + .t = PLL_TYPE_DIV, + .id = 3, + .cid = ID_PLL_IMG_DIV + }, + + { + .n = "baudpll_fracck", + .p = "mainck", + .l = &pll_layout_frac, + .t = PLL_TYPE_FRAC, + .id = 4, + .cid = ID_PLL_BAUD_FRAC, + }, + + { + .n = "baudpll_divpmcck", + .p = "baudpll_fracck", + .l = &pll_layout_divpmc, + .t = PLL_TYPE_DIV, + .id = 4, + .cid = ID_PLL_BAUD_DIV, + }, + + { + .n = "audiopll_fracck", + .p = "main_osc", + .l = &pll_layout_frac, + .t = PLL_TYPE_FRAC, + .id = 5, + .cid = ID_PLL_AUDIO_FRAC, + }, + + { + .n = "audiopll_divpmcck", + .p = "audiopll_fracck", + .l = &pll_layout_divpmc, + .t = PLL_TYPE_DIV, + .id = 5, + .cid = ID_PLL_AUDIO_DIVPMC, + }, + + { + .n = "audiopll_diviock", + .p = "audiopll_fracck", + .l = &pll_layout_divio, + .t = PLL_TYPE_DIV, + .id = 5, + .cid = ID_PLL_AUDIO_DIVIO, + }, + + { + .n = "ethpll_fracck", + .p = "main_osc", + .l = &pll_layout_frac, + .t = PLL_TYPE_FRAC, + .id = 6, + .cid = ID_PLL_ETH_FRAC, + }, + + { + .n = "ethpll_divpmcck", + .p = "ethpll_fracck", + .l = &pll_layout_divpmc, + .t = PLL_TYPE_DIV, + .id = 6, + .cid = ID_PLL_ETH_DIV, + }, +}; + +/** + * Master clock (MCK[1..4]) description + * @n: clock name + * @ep: extra parents names array + * @ep_chg_chg_id: index in parents array that specifies the changeable + * parent + * @ep_count: extra parents count + * @ep_mux_table: mux table for extra parents + * @ep_clk_mux_table: mux table to deal with subsystem clock ids + * @id: clock id corresponding to MCK driver + * @cid: clock id corresponding to clock subsystem + * @c: true if clock is critical and cannot be disabled + */ +static const struct { + const char *n; + const char *ep[4]; + u8 ep_count; + u8 ep_mux_table[4]; + u8 ep_clk_mux_table[4]; + u8 id; + u8 cid; + u8 c; +} sama7g5_mckx[] = { + { + .n = "mck1", + .id = 1, + .cid = ID_MCK1, + .ep = { "syspll_divpmcck", }, + .ep_mux_table = { 5, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, }, + .ep_count = 1, + .c = 1, + }, + + { + .n = "mck2", + .id = 2, + .cid = ID_MCK2, + .ep = { "ddrpll_divpmcck", }, + .ep_mux_table = { 6, }, + .ep_clk_mux_table = { ID_PLL_DDR_DIV, }, + .ep_count = 1, + .c = 1, + }, + + { + .n = "mck3", + .id = 3, + .cid = ID_MCK3, + .ep = { "syspll_divpmcck", "ddrpll_divpmcck", "imgpll_divpmcck", }, + .ep_mux_table = { 5, 6, 7, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_DDR_DIV, ID_PLL_IMG_DIV, }, + .ep_count = 3, + }, + + { + .n = "mck4", + .id = 4, + .cid = ID_MCK4, + .ep = { "syspll_divpmcck", }, + .ep_mux_table = { 5, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, }, + .ep_count = 1, + .c = 1, + }, +}; + +/** + * Programmable clock description + * @n: clock name + * @cid: clock id corresponding to clock subsystem + */ +static const struct { + const char *n; + u8 cid; +} sama7g5_prog[] = { + { .n = "prog0", .cid = ID_PROG0, }, + { .n = "prog1", .cid = ID_PROG1, }, + { .n = "prog2", .cid = ID_PROG2, }, + { .n = "prog3", .cid = ID_PROG3, }, + { .n = "prog4", .cid = ID_PROG4, }, + { .n = "prog5", .cid = ID_PROG5, }, + { .n = "prog6", .cid = ID_PROG6, }, + { .n = "prog7", .cid = ID_PROG7, }, +}; + +/* Mux table for programmable clocks. */ +static u32 sama7g5_prog_mux_table[] = { 0, 1, 2, 3, 5, 6, 7, 8, 9, 10, }; + +/** + * System clock description + * @n: clock name + * @p: parent clock name + * @id: clock id corresponding to system clock driver + * @cid: clock id corresponding to clock subsystem + */ +static const struct { + const char *n; + const char *p; + u8 id; + u8 cid; +} sama7g5_systemck[] = { + { .n = "pck0", .p = "prog0", .id = 8, .cid = ID_PCK0, }, + { .n = "pck1", .p = "prog1", .id = 9, .cid = ID_PCK1, }, + { .n = "pck2", .p = "prog2", .id = 10, .cid = ID_PCK2, }, + { .n = "pck3", .p = "prog3", .id = 11, .cid = ID_PCK3, }, + { .n = "pck4", .p = "prog4", .id = 12, .cid = ID_PCK4, }, + { .n = "pck5", .p = "prog5", .id = 13, .cid = ID_PCK5, }, + { .n = "pck6", .p = "prog6", .id = 14, .cid = ID_PCK6, }, + { .n = "pck7", .p = "prog7", .id = 15, .cid = ID_PCK7, }, +}; + +/** + * Peripheral clock description + * @n: clock name + * @p: clock parent name + * @r: clock range values + * @id: clock id + */ +static const struct { + const char *n; + const char *p; + struct clk_range r; + u8 id; +} sama7g5_periphck[] = { + { .n = "pioA_clk", .p = "mck0", .id = 11, }, + { .n = "sfr_clk", .p = "mck1", .id = 19, }, + { .n = "hsmc_clk", .p = "mck1", .id = 21, }, + { .n = "xdmac0_clk", .p = "mck1", .id = 22, }, + { .n = "xdmac1_clk", .p = "mck1", .id = 23, }, + { .n = "xdmac2_clk", .p = "mck1", .id = 24, }, + { .n = "acc_clk", .p = "mck1", .id = 25, }, + { .n = "aes_clk", .p = "mck1", .id = 27, }, + { .n = "tzaesbasc_clk", .p = "mck1", .id = 28, }, + { .n = "asrc_clk", .p = "mck1", .id = 30, .r = { .max = 200000000, }, }, + { .n = "cpkcc_clk", .p = "mck0", .id = 32, }, + { .n = "csi_clk", .p = "mck3", .id = 33, .r = { .max = 266000000, }, }, + { .n = "csi2dc_clk", .p = "mck3", .id = 34, .r = { .max = 266000000, }, }, + { .n = "eic_clk", .p = "mck1", .id = 37, }, + { .n = "flex0_clk", .p = "mck1", .id = 38, }, + { .n = "flex1_clk", .p = "mck1", .id = 39, }, + { .n = "flex2_clk", .p = "mck1", .id = 40, }, + { .n = "flex3_clk", .p = "mck1", .id = 41, }, + { .n = "flex4_clk", .p = "mck1", .id = 42, }, + { .n = "flex5_clk", .p = "mck1", .id = 43, }, + { .n = "flex6_clk", .p = "mck1", .id = 44, }, + { .n = "flex7_clk", .p = "mck1", .id = 45, }, + { .n = "flex8_clk", .p = "mck1", .id = 46, }, + { .n = "flex9_clk", .p = "mck1", .id = 47, }, + { .n = "flex10_clk", .p = "mck1", .id = 48, }, + { .n = "flex11_clk", .p = "mck1", .id = 49, }, + { .n = "gmac0_clk", .p = "mck1", .id = 51, }, + { .n = "gmac1_clk", .p = "mck1", .id = 52, }, + { .n = "gmac0_tsu_clk", .p = "mck1", .id = 53, }, + { .n = "gmac1_tsu_clk", .p = "mck1", .id = 54, }, + { .n = "icm_clk", .p = "mck1", .id = 55, }, + { .n = "isc_clk", .p = "mck3", .id = 56, .r = { .max = 266000000, }, }, + { .n = "i2smcc0_clk", .p = "mck1", .id = 57, .r = { .max = 200000000, }, }, + { .n = "i2smcc1_clk", .p = "mck1", .id = 58, .r = { .max = 200000000, }, }, + { .n = "matrix_clk", .p = "mck1", .id = 60, }, + { .n = "mcan0_clk", .p = "mck1", .id = 61, .r = { .max = 200000000, }, }, + { .n = "mcan1_clk", .p = "mck1", .id = 62, .r = { .max = 200000000, }, }, + { .n = "mcan2_clk", .p = "mck1", .id = 63, .r = { .max = 200000000, }, }, + { .n = "mcan3_clk", .p = "mck1", .id = 64, .r = { .max = 200000000, }, }, + { .n = "mcan4_clk", .p = "mck1", .id = 65, .r = { .max = 200000000, }, }, + { .n = "mcan5_clk", .p = "mck1", .id = 66, .r = { .max = 200000000, }, }, + { .n = "pdmc0_clk", .p = "mck1", .id = 68, .r = { .max = 200000000, }, }, + { .n = "pdmc1_clk", .p = "mck1", .id = 69, .r = { .max = 200000000, }, }, + { .n = "pit64b0_clk", .p = "mck1", .id = 70, }, + { .n = "pit64b1_clk", .p = "mck1", .id = 71, }, + { .n = "pit64b2_clk", .p = "mck1", .id = 72, }, + { .n = "pit64b3_clk", .p = "mck1", .id = 73, }, + { .n = "pit64b4_clk", .p = "mck1", .id = 74, }, + { .n = "pit64b5_clk", .p = "mck1", .id = 75, }, + { .n = "pwm_clk", .p = "mck1", .id = 77, }, + { .n = "qspi0_clk", .p = "mck1", .id = 78, }, + { .n = "qspi1_clk", .p = "mck1", .id = 79, }, + { .n = "sdmmc0_clk", .p = "mck1", .id = 80, }, + { .n = "sdmmc1_clk", .p = "mck1", .id = 81, }, + { .n = "sdmmc2_clk", .p = "mck1", .id = 82, }, + { .n = "sha_clk", .p = "mck1", .id = 83, }, + { .n = "spdifrx_clk", .p = "mck1", .id = 84, .r = { .max = 200000000, }, }, + { .n = "spdiftx_clk", .p = "mck1", .id = 85, .r = { .max = 200000000, }, }, + { .n = "ssc0_clk", .p = "mck1", .id = 86, .r = { .max = 200000000, }, }, + { .n = "ssc1_clk", .p = "mck1", .id = 87, .r = { .max = 200000000, }, }, + { .n = "tcb0_ch0_clk", .p = "mck1", .id = 88, .r = { .max = 200000000, }, }, + { .n = "tcb0_ch1_clk", .p = "mck1", .id = 89, .r = { .max = 200000000, }, }, + { .n = "tcb0_ch2_clk", .p = "mck1", .id = 90, .r = { .max = 200000000, }, }, + { .n = "tcb1_ch0_clk", .p = "mck1", .id = 91, .r = { .max = 200000000, }, }, + { .n = "tcb1_ch1_clk", .p = "mck1", .id = 92, .r = { .max = 200000000, }, }, + { .n = "tcb1_ch2_clk", .p = "mck1", .id = 93, .r = { .max = 200000000, }, }, + { .n = "tcpca_clk", .p = "mck1", .id = 94, }, + { .n = "tcpcb_clk", .p = "mck1", .id = 95, }, + { .n = "tdes_clk", .p = "mck1", .id = 96, }, + { .n = "trng_clk", .p = "mck1", .id = 97, }, + { .n = "udphsa_clk", .p = "mck1", .id = 104, }, + { .n = "udphsb_clk", .p = "mck1", .id = 105, }, + { .n = "uhphs_clk", .p = "mck1", .id = 106, }, +}; + +/** + * Generic clock description + * @n: clock name + * @ep: extra parents names + * @ep_mux_table: extra parents mux table + * @ep_clk_mux_table: extra parents clock mux table (for CCF) + * @r: clock output range + * @ep_count: extra parents count + * @id: clock id + */ +static const struct { + const char *n; + const char *ep[8]; + const char ep_mux_table[8]; + const char ep_clk_mux_table[8]; + struct clk_range r; + u8 ep_count; + u8 id; +} sama7g5_gck[] = { + { + .n = "adc_gclk", + .id = 26, + .r = { .max = 100000000, }, + .ep = { "syspll_divpmcck", "imgpll_divpmcck", "audiopll_divpmcck", }, + .ep_mux_table = { 5, 7, 9, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, + ID_PLL_AUDIO_DIVPMC, }, + .ep_count = 3, + }, + + { + .n = "asrc_gclk", + .id = 30, + .r = { .max = 200000000 }, + .ep = { "audiopll_divpmcck", }, + .ep_mux_table = { 9, }, + .ep_clk_mux_table = { ID_PLL_AUDIO_DIVPMC, }, + .ep_count = 1, + }, + + { + .n = "csi_gclk", + .id = 33, + .r = { .max = 27000000 }, + .ep = { "ddrpll_divpmcck", "imgpll_divpmcck", }, + .ep_clk_mux_table = { ID_PLL_DDR_DIV, ID_PLL_IMG_DIV, }, + .ep_mux_table = { 6, 7, }, + .ep_count = 2, + }, + + { + .n = "flex0_gclk", + .id = 38, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex1_gclk", + .id = 39, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex2_gclk", + .id = 40, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex3_gclk", + .id = 41, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex4_gclk", + .id = 42, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex5_gclk", + .id = 43, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex6_gclk", + .id = 44, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex7_gclk", + .id = 45, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex8_gclk", + .id = 46, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex9_gclk", + .id = 47, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex10_gclk", + .id = 48, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex11_gclk", + .id = 49, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "gmac0_gclk", + .id = 51, + .r = { .max = 125000000 }, + .ep = { "ethpll_divpmcck", }, + .ep_clk_mux_table = { ID_PLL_ETH_DIV, }, + .ep_mux_table = { 10, }, + .ep_count = 1, + }, + + { + .n = "gmac1_gclk", + .id = 52, + .r = { .max = 50000000 }, + .ep = { "ethpll_divpmcck", }, + .ep_mux_table = { 10, }, + .ep_clk_mux_table = { ID_PLL_ETH_DIV, }, + .ep_count = 1, + }, + + { + .n = "gmac0_tsu_gclk", + .id = 53, + .r = { .max = 300000000 }, + .ep = { "audiopll_divpmcck", "ethpll_divpmcck", }, + .ep_mux_table = { 9, 10, }, + .ep_clk_mux_table = { ID_PLL_AUDIO_DIVPMC, ID_PLL_ETH_DIV, }, + .ep_count = 2, + }, + + { + .n = "gmac1_tsu_gclk", + .id = 54, + .r = { .max = 300000000 }, + .ep = { "audiopll_divpmcck", "ethpll_divpmcck", }, + .ep_mux_table = { 9, 10, }, + .ep_clk_mux_table = { ID_PLL_AUDIO_DIVPMC, ID_PLL_ETH_DIV, }, + .ep_count = 2, + }, + + { + .n = "i2smcc0_gclk", + .id = 57, + .r = { .max = 100000000 }, + .ep = { "syspll_divpmcck", "audiopll_divpmcck", }, + .ep_mux_table = { 5, 9, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_AUDIO_DIVPMC, }, + .ep_count = 2, + }, + + { + .n = "i2smcc1_gclk", + .id = 58, + .r = { .max = 100000000 }, + .ep = { "syspll_divpmcck", "audiopll_divpmcck", }, + .ep_mux_table = { 5, 9, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_AUDIO_DIVPMC, }, + .ep_count = 2, + }, + + { + .n = "mcan0_gclk", + .id = 61, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "mcan1_gclk", + .id = 62, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "mcan2_gclk", + .id = 63, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "mcan3_gclk", + .id = 64, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "mcan4_gclk", + .id = 65, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "mcan5_gclk", + .id = 66, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "pdmc0_gclk", + .id = 68, + .r = { .max = 50000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "pdmc1_gclk", + .id = 69, + .r = { .max = 50000000, }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "pit64b0_gclk", + .id = 70, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", + "audiopll_divpmcck", "ethpll_divpmcck", }, + .ep_mux_table = { 5, 7, 8, 9, 10, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, + ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, + ID_PLL_ETH_DIV, }, + .ep_count = 5, + }, + + { + .n = "pit64b1_gclk", + .id = 71, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", + "audiopll_divpmcck", "ethpll_divpmcck", }, + .ep_mux_table = { 5, 7, 8, 9, 10, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, + ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, + ID_PLL_ETH_DIV, }, + .ep_count = 5, + }, + + { + .n = "pit64b2_gclk", + .id = 72, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", + "audiopll_divpmcck", "ethpll_divpmcck", }, + .ep_mux_table = { 5, 7, 8, 9, 10, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, + ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, + ID_PLL_ETH_DIV, }, + .ep_count = 5, + }, + + { + .n = "pit64b3_gclk", + .id = 73, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", + "audiopll_divpmcck", "ethpll_divpmcck", }, + .ep_mux_table = { 5, 7, 8, 9, 10, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, + ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, + ID_PLL_ETH_DIV, }, + .ep_count = 5, + }, + + { + .n = "pit64b4_gclk", + .id = 74, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", + "audiopll_divpmcck", "ethpll_divpmcck", }, + .ep_mux_table = { 5, 7, 8, 9, 10, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, + ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, + ID_PLL_ETH_DIV, }, + .ep_count = 5, + }, + + { + .n = "pit64b5_gclk", + .id = 75, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", + "audiopll_divpmcck", "ethpll_divpmcck", }, + .ep_mux_table = { 5, 7, 8, 9, 10, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, + ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, + ID_PLL_ETH_DIV, }, + .ep_count = 5, + }, + + { + .n = "qspi0_gclk", + .id = 78, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, + ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, + ID_PLL_ETH_DIV, }, + .ep_count = 2, + }, + + { + .n = "qspi1_gclk", + .id = 79, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "sdmmc0_gclk", + .id = 80, + .r = { .max = 208000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "sdmmc1_gclk", + .id = 81, + .r = { .max = 208000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "sdmmc2_gclk", + .id = 82, + .r = { .max = 208000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "spdifrx_gclk", + .id = 84, + .r = { .max = 150000000 }, + .ep = { "syspll_divpmcck", "audiopll_divpmcck", }, + .ep_mux_table = { 5, 9, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_AUDIO_DIVPMC, }, + .ep_count = 2, + }, + + { + .n = "spdiftx_gclk", + .id = 85, + .r = { .max = 25000000 }, + .ep = { "syspll_divpmcck", "audiopll_divpmcck", }, + .ep_mux_table = { 5, 9, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_AUDIO_DIVPMC, }, + .ep_count = 2, + }, + + { + .n = "tcb0_ch0_gclk", + .id = 88, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", + "audiopll_divpmcck", "ethpll_divpmcck", }, + .ep_mux_table = { 5, 7, 8, 9, 10, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, + ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, + ID_PLL_ETH_DIV, }, + .ep_count = 5, + }, + + { + .n = "tcb1_ch0_gclk", + .id = 91, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", + "audiopll_divpmcck", "ethpll_divpmcck", }, + .ep_mux_table = { 5, 7, 8, 9, 10, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, + ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, + ID_PLL_ETH_DIV, }, + .ep_count = 5, + }, +}; + +/** + * Clock setup description + * @cid: clock id corresponding to clock subsystem + * @pid: parent clock id corresponding to clock subsystem + * @rate: clock rate + * @prate: parent rate + */ +static const struct pmc_clk_setup { + unsigned int cid; + unsigned int pid; + unsigned long rate; + unsigned long prate; +} sama7g5_clk_setup[] = { + { + .cid = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_ETH_FRAC), + .rate = 625000000, + }, + + { + .cid = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_ETH_DIV), + .rate = 625000000, + }, +}; + +#define SAMA7G5_MAX_MUX_ALLOCS (64) + +#define prepare_mux_table(_allocs, _index, _dst, _src, _num, _label) \ + do { \ + int _i; \ + if ((_index) >= SAMA7G5_MAX_MUX_ALLOCS) { \ + debug("%s(): AT91: MUX: insufficient space\n", \ + __func__); \ + goto _label; \ + } \ + (_dst) = kzalloc(sizeof(*(_dst)) * (_num), GFP_KERNEL); \ + if (!(_dst)) \ + goto _label; \ + (_allocs)[(_index)++] = (_dst); \ + for (_i = 0; _i < (_num); _i++) \ + (_dst)[_i] = (_src)[_i]; \ + } while (0) + +static int sama7g5_clk_probe(struct udevice *dev) +{ + void __iomem *base = (void *)devfdt_get_addr(dev); + unsigned int *clkmuxallocs[SAMA7G5_MAX_MUX_ALLOCS]; + unsigned int *muxallocs[SAMA7G5_MAX_MUX_ALLOCS]; + const char *p[10]; + unsigned int cm[10], m[10], *tmpclkmux, *tmpmux; + struct clk clk, *c, *parent; + bool main_osc_bypass; + int ret, muxallocindex = 0, clkmuxallocindex = 0, i, j; + + if (IS_ERR(base)) + return PTR_ERR(base); + + memset(muxallocs, 0, ARRAY_SIZE(muxallocs)); + memset(clkmuxallocs, 0, ARRAY_SIZE(clkmuxallocs)); + + ret = clk_get_by_index(dev, 0, &clk); + if (ret) + return ret; + ret = clk_get_by_id(clk.id, &c); + if (ret) + return ret; + clk_names[ID_TD_SLCK] = kmemdup(clk_hw_get_name(c), + strlen(clk_hw_get_name(c)) + 1, GFP_KERNEL); + if (!clk_names[ID_TD_SLCK]) + return -ENOMEM; + + ret = clk_get_by_index(dev, 1, &clk); + if (ret) + return ret; + ret = clk_get_by_id(clk.id, &c); + if (ret) + return ret; + clk_names[ID_MD_SLCK] = kmemdup(clk_hw_get_name(c), + strlen(clk_hw_get_name(c)) + 1, GFP_KERNEL); + if (!clk_names[ID_MD_SLCK]) + return -ENOMEM; + + ret = clk_get_by_index(dev, 2, &clk); + if (ret) + return ret; + clk_names[ID_MAIN_XTAL] = kmemdup(clk_hw_get_name(&clk), + strlen(clk_hw_get_name(&clk)) + 1, GFP_KERNEL); + if (!clk_names[ID_MAIN_XTAL]) + return -ENOMEM; + + ret = clk_get_by_index(dev, 3, &clk); + if (ret) + goto fail; + clk_names[ID_MAIN_RC] = kmemdup(clk_hw_get_name(&clk), + strlen(clk_hw_get_name(&clk)) + 1, GFP_KERNEL); + if (ret) + goto fail; + + main_osc_bypass = dev_read_bool(dev, "atmel,main-osc-bypass"); + + /* Register main rc oscillator. */ + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAIN_RC_OSC), + at91_clk_main_rc(base, clk_names[ID_MAIN_RC_OSC], + clk_names[ID_MAIN_RC])); + + /* Register main oscillator. */ + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAIN_OSC), + at91_clk_main_osc(base, clk_names[ID_MAIN_OSC], + clk_names[ID_MAIN_XTAL], main_osc_bypass)); + + /* Register mainck. */ + p[0] = clk_names[ID_MAIN_RC_OSC]; + p[1] = clk_names[ID_MAIN_OSC]; + cm[0] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAIN_RC_OSC); + cm[1] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAIN_OSC); + prepare_mux_table(clkmuxallocs, clkmuxallocindex, tmpclkmux, cm, 2, + fail); + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAINCK), + at91_clk_sam9x5_main(base, clk_names[ID_MAINCK], p, + 2, tmpclkmux, PMC_TYPE_CORE)); + + /* Register PLL fracs clocks. */ + for (i = 0; i < ARRAY_SIZE(sama7g5_plls); i++) { + if (sama7g5_plls[i].t != PLL_TYPE_FRAC) + continue; + + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, sama7g5_plls[i].cid), + sam9x60_clk_register_frac_pll(base, sama7g5_plls[i].n, + sama7g5_plls[i].p, sama7g5_plls[i].id, + &pll_characteristics, sama7g5_plls[i].l, + sama7g5_plls[i].c)); + } + + /* Register PLL div clocks. */ + for (i = 0; i < ARRAY_SIZE(sama7g5_plls); i++) { + if (sama7g5_plls[i].t != PLL_TYPE_DIV) + continue; + + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, sama7g5_plls[i].cid), + sam9x60_clk_register_div_pll(base, sama7g5_plls[i].n, + sama7g5_plls[i].p, sama7g5_plls[i].id, + &pll_characteristics, sama7g5_plls[i].l, + sama7g5_plls[i].c)); + } + + /* Register MCK0 clock. */ + p[0] = clk_names[ID_MD_SLCK]; + p[1] = clk_names[ID_MAINCK]; + p[2] = clk_names[ID_PLL_CPU_DIV]; + p[3] = clk_names[ID_PLL_SYS_DIV]; + cm[0] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MD_SLCK); + cm[1] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAINCK); + cm[2] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_CPU_DIV); + cm[3] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_SYS_DIV); + prepare_mux_table(clkmuxallocs, clkmuxallocindex, tmpclkmux, cm, 2, + fail); + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MCK0), + at91_clk_register_master(base, clk_names[ID_MCK0], p, + 4, &mck0_layout, &mck0_characteristics, tmpclkmux)); + + /* Register MCK1-4 clocks. */ + p[0] = clk_names[ID_MD_SLCK]; + p[1] = clk_names[ID_TD_SLCK]; + p[2] = clk_names[ID_MAINCK]; + p[3] = clk_names[ID_MCK0]; + m[0] = 0; + m[1] = 1; + m[2] = 2; + m[3] = 3; + cm[0] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MD_SLCK); + cm[1] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_TD_SLCK); + cm[2] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAINCK); + cm[3] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MCK0); + for (i = 0; i < ARRAY_SIZE(sama7g5_mckx); i++) { + for (j = 0; j < sama7g5_mckx[i].ep_count; j++) { + p[4 + j] = sama7g5_mckx[i].ep[j]; + m[4 + j] = sama7g5_mckx[i].ep_mux_table[j]; + cm[4 + j] = AT91_TO_CLK_ID(PMC_TYPE_CORE, + sama7g5_mckx[i].ep_clk_mux_table[j]); + } + + prepare_mux_table(clkmuxallocs, clkmuxallocindex, tmpclkmux, cm, + 4 + sama7g5_mckx[i].ep_count, fail); + prepare_mux_table(muxallocs, muxallocindex, tmpmux, m, + 4 + sama7g5_mckx[i].ep_count, fail); + + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, sama7g5_mckx[i].cid), + at91_clk_sama7g5_register_master(base, + sama7g5_mckx[i].n, p, 4 + sama7g5_mckx[i].ep_count, + tmpmux, tmpclkmux, sama7g5_mckx[i].c, + sama7g5_mckx[i].id)); + } + + /* Register UTMI clock. */ + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_UTMI), + at91_clk_sama7g5_register_utmi(base, "utmick", + clk_names[ID_MAIN_XTAL])); + + /* Register programmable clocks. */ + p[0] = clk_names[ID_MD_SLCK]; + p[1] = clk_names[ID_TD_SLCK]; + p[2] = clk_names[ID_MAINCK]; + p[3] = clk_names[ID_MCK0]; + p[4] = clk_names[ID_PLL_SYS_DIV]; + p[5] = clk_names[ID_PLL_DDR_DIV]; + p[6] = clk_names[ID_PLL_IMG_DIV]; + p[7] = clk_names[ID_PLL_BAUD_DIV]; + p[8] = clk_names[ID_PLL_AUDIO_DIVPMC]; + p[9] = clk_names[ID_PLL_ETH_DIV]; + cm[0] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MD_SLCK); + cm[1] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_TD_SLCK); + cm[2] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAINCK); + cm[3] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MCK0); + cm[4] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_SYS_DIV); + cm[5] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_DDR_DIV); + cm[6] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_IMG_DIV); + cm[7] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_BAUD_DIV); + cm[8] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_AUDIO_DIVPMC); + cm[9] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_ETH_DIV); + for (i = 0; i < ARRAY_SIZE(sama7g5_prog); i++) { + prepare_mux_table(clkmuxallocs, clkmuxallocindex, tmpclkmux, cm, + 10, fail); + + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, sama7g5_prog[i].cid), + at91_clk_register_programmable(base, sama7g5_prog[i].n, + p, 10, i, &programmable_layout, tmpclkmux, + sama7g5_prog_mux_table)); + } + + /* System clocks. */ + for (i = 0; i < ARRAY_SIZE(sama7g5_systemck); i++) { + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_SYSTEM, sama7g5_systemck[i].cid), + at91_clk_register_system(base, sama7g5_systemck[i].n, + sama7g5_systemck[i].p, sama7g5_systemck[i].id)); + } + + /* Peripheral clocks. */ + for (i = 0; i < ARRAY_SIZE(sama7g5_periphck); i++) { + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_PERIPHERAL, + sama7g5_periphck[i].id), + at91_clk_register_sam9x5_peripheral(base, + &sama7g5_pcr_layout, sama7g5_periphck[i].n, + sama7g5_periphck[i].p, sama7g5_periphck[i].id, + &sama7g5_periphck[i].r)); + } + + /* Generic clocks. */ + p[0] = clk_names[ID_MD_SLCK]; + p[1] = clk_names[ID_TD_SLCK]; + p[2] = clk_names[ID_MAINCK]; + p[3] = clk_names[ID_MCK0]; + m[0] = 0; + m[1] = 1; + m[2] = 2; + m[3] = 3; + cm[0] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MD_SLCK); + cm[1] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_TD_SLCK); + cm[2] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAINCK); + cm[3] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MCK0); + for (i = 0; i < ARRAY_SIZE(sama7g5_gck); i++) { + for (j = 0; j < sama7g5_gck[i].ep_count; j++) { + p[4 + j] = sama7g5_gck[i].ep[j]; + m[4 + j] = sama7g5_gck[i].ep_mux_table[j]; + cm[4 + j] = AT91_TO_CLK_ID(PMC_TYPE_CORE, + sama7g5_gck[i].ep_clk_mux_table[j]); + } + + prepare_mux_table(clkmuxallocs, clkmuxallocindex, tmpclkmux, cm, + 4 + sama7g5_gck[i].ep_count, fail); + prepare_mux_table(muxallocs, muxallocindex, tmpmux, m, + 4 + sama7g5_gck[i].ep_count, fail); + + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_GCK, sama7g5_gck[i].id), + at91_clk_register_generic(base, &sama7g5_pcr_layout, + sama7g5_gck[i].n, p, tmpclkmux, tmpmux, + 4 + sama7g5_gck[i].ep_count, sama7g5_gck[i].id, + &sama7g5_gck[i].r)); + } + + /* Setup clocks. */ + for (i = 0; i < ARRAY_SIZE(sama7g5_clk_setup); i++) { + ret = clk_get_by_id(sama7g5_clk_setup[i].cid, &c); + if (ret) + goto fail; + + if (sama7g5_clk_setup[i].pid) { + ret = clk_get_by_id(sama7g5_clk_setup[i].pid, &parent); + if (ret) + goto fail; + + ret = clk_set_parent(c, parent); + if (ret) + goto fail; + + if (sama7g5_clk_setup[i].prate) { + ret = clk_set_rate(parent, + sama7g5_clk_setup[i].prate); + if (ret < 0) + goto fail; + } + } + + if (sama7g5_clk_setup[i].rate) { + ret = clk_set_rate(c, sama7g5_clk_setup[i].rate); + if (ret < 0) + goto fail; + } + } + + return 0; + +fail: + for (i = 0; i < ARRAY_SIZE(muxallocs); i++) + kfree(muxallocs[i]); + + for (i = 0; i < ARRAY_SIZE(clkmuxallocs); i++) + kfree(clkmuxallocs[i]); + + return -ENOMEM; +} + +static const struct udevice_id sama7g5_clk_ids[] = { + { .compatible = "microchip,sama7g5-pmc" }, + { /* Sentinel. */ }, +}; + +U_BOOT_DRIVER(at91_sama7g5_pmc) = { + .name = "at91-sama7g5-pmc", + .id = UCLASS_CLK, + .of_match = sama7g5_clk_ids, + .ops = &at91_clk_ops, + .probe = sama7g5_clk_probe, + .flags = DM_FLAG_PRE_RELOC, +}; |