diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt7988-apmixed.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt7988-apmixed.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt7988-apmixed.c b/drivers/clk/mediatek/clk-mt7988-apmixed.c new file mode 100644 index 000000000000..baf9564351a3 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt7988-apmixed.c @@ -0,0 +1,114 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2023 MediaTek Inc. + * Author: Sam Shih <sam.shih@mediatek.com> + * Author: Xiufeng Li <Xiufeng.Li@mediatek.com> + */ + +#include <linux/clk-provider.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include "clk-mtk.h" +#include "clk-gate.h" +#include "clk-mux.h" +#include "clk-pll.h" +#include <dt-bindings/clock/mediatek,mt7988-clk.h> + +#define MT7988_PLL_FMAX (2500UL * MHZ) +#define MT7988_PCW_CHG_BIT 2 + +#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _rst_bar_mask, _pcwbits, _pd_reg, \ + _pd_shift, _tuner_reg, _tuner_en_reg, _tuner_en_bit, _pcw_reg, _pcw_shift, \ + _pcw_chg_reg) \ + { \ + .id = _id, \ + .name = _name, \ + .reg = _reg, \ + .pwr_reg = _pwr_reg, \ + .en_mask = _en_mask, \ + .flags = _flags, \ + .rst_bar_mask = BIT(_rst_bar_mask), \ + .fmax = MT7988_PLL_FMAX, \ + .pcwbits = _pcwbits, \ + .pd_reg = _pd_reg, \ + .pd_shift = _pd_shift, \ + .tuner_reg = _tuner_reg, \ + .tuner_en_reg = _tuner_en_reg, \ + .tuner_en_bit = _tuner_en_bit, \ + .pcw_reg = _pcw_reg, \ + .pcw_shift = _pcw_shift, \ + .pcw_chg_reg = _pcw_chg_reg, \ + .pcw_chg_bit = MT7988_PCW_CHG_BIT, \ + .parent_name = "clkxtal", \ + } + +static const struct mtk_pll_data plls[] = { + PLL(CLK_APMIXED_NETSYSPLL, "netsyspll", 0x0104, 0x0110, 0x00000001, 0, 0, 32, 0x0104, 4, 0, + 0, 0, 0x0108, 0, 0x0104), + PLL(CLK_APMIXED_MPLL, "mpll", 0x0114, 0x0120, 0xff000001, HAVE_RST_BAR, 23, 32, 0x0114, 4, + 0, 0, 0, 0x0118, 0, 0x0114), + PLL(CLK_APMIXED_MMPLL, "mmpll", 0x0124, 0x0130, 0xff000001, HAVE_RST_BAR, 23, 32, 0x0124, 4, + 0, 0, 0, 0x0128, 0, 0x0124), + PLL(CLK_APMIXED_APLL2, "apll2", 0x0134, 0x0140, 0x00000001, 0, 0, 32, 0x0134, 4, 0x0704, + 0x0700, 1, 0x0138, 0, 0x0134), + PLL(CLK_APMIXED_NET1PLL, "net1pll", 0x0144, 0x0150, 0xff000001, HAVE_RST_BAR, 23, 32, + 0x0144, 4, 0, 0, 0, 0x0148, 0, 0x0144), + PLL(CLK_APMIXED_NET2PLL, "net2pll", 0x0154, 0x0160, 0xff000001, (HAVE_RST_BAR | PLL_AO), 23, + 32, 0x0154, 4, 0, 0, 0, 0x0158, 0, 0x0154), + PLL(CLK_APMIXED_WEDMCUPLL, "wedmcupll", 0x0164, 0x0170, 0x00000001, 0, 0, 32, 0x0164, 4, 0, + 0, 0, 0x0168, 0, 0x0164), + PLL(CLK_APMIXED_SGMPLL, "sgmpll", 0x0174, 0x0180, 0x00000001, 0, 0, 32, 0x0174, 4, 0, 0, 0, + 0x0178, 0, 0x0174), + PLL(CLK_APMIXED_ARM_B, "arm_b", 0x0204, 0x0210, 0xff000001, (HAVE_RST_BAR | PLL_AO), 23, 32, + 0x0204, 4, 0, 0, 0, 0x0208, 0, 0x0204), + PLL(CLK_APMIXED_CCIPLL2_B, "ccipll2_b", 0x0214, 0x0220, 0xff000001, HAVE_RST_BAR, 23, 32, + 0x0214, 4, 0, 0, 0, 0x0218, 0, 0x0214), + PLL(CLK_APMIXED_USXGMIIPLL, "usxgmiipll", 0x0304, 0x0310, 0xff000001, HAVE_RST_BAR, 23, 32, + 0x0304, 4, 0, 0, 0, 0x0308, 0, 0x0304), + PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x0314, 0x0320, 0x00000001, 0, 0, 32, 0x0314, 4, 0, 0, + 0, 0x0318, 0, 0x0314), +}; + +static const struct of_device_id of_match_clk_mt7988_apmixed[] = { + { .compatible = "mediatek,mt7988-apmixedsys" }, + { /* sentinel */ } +}; + +static int clk_mt7988_apmixed_probe(struct platform_device *pdev) +{ + struct clk_hw_onecell_data *clk_data; + struct device_node *node = pdev->dev.of_node; + int r; + + clk_data = mtk_alloc_clk_data(ARRAY_SIZE(plls)); + if (!clk_data) + return -ENOMEM; + + r = mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data); + if (r) + goto free_apmixed_data; + + r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); + if (r) + goto unregister_plls; + + return r; + +unregister_plls: + mtk_clk_unregister_plls(plls, ARRAY_SIZE(plls), clk_data); +free_apmixed_data: + mtk_free_clk_data(clk_data); + return r; +} + +static struct platform_driver clk_mt7988_apmixed_drv = { + .probe = clk_mt7988_apmixed_probe, + .driver = { + .name = "clk-mt7988-apmixed", + .of_match_table = of_match_clk_mt7988_apmixed, + }, +}; +builtin_platform_driver(clk_mt7988_apmixed_drv); +MODULE_LICENSE("GPL"); |