From: Chun-Jie Chen Date: Sat, 9 Apr 2022 13:22:42 +0000 (+0800) Subject: clk: mediatek: Add MT8186 imp i2c wrapper clock support X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=66cd0b4b0ce5e1b26e0eb42110e34860fd4a25cf;p=linux.git clk: mediatek: Add MT8186 imp i2c wrapper clock support Add MT8186 imp i2c wrapper clock controllers which provide clock gate control in i2c IP blocks. Signed-off-by: Chun-Jie Chen Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Miles Chen Link: https://lore.kernel.org/r/20220409132251.31725-7-chun-jie.chen@mediatek.com Signed-off-by: Stephen Boyd --- diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index 54ef957389ef8..3510e8a0ecaca 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -72,7 +72,7 @@ obj-$(CONFIG_COMMON_CLK_MT8183_MMSYS) += clk-mt8183-mm.o obj-$(CONFIG_COMMON_CLK_MT8183_VDECSYS) += clk-mt8183-vdec.o obj-$(CONFIG_COMMON_CLK_MT8183_VENCSYS) += clk-mt8183-venc.o obj-$(CONFIG_COMMON_CLK_MT8186) += clk-mt8186-mcu.o clk-mt8186-topckgen.o clk-mt8186-infra_ao.o \ - clk-mt8186-apmixedsys.o + clk-mt8186-apmixedsys.o clk-mt8186-imp_iic_wrap.o obj-$(CONFIG_COMMON_CLK_MT8192) += clk-mt8192.o obj-$(CONFIG_COMMON_CLK_MT8192_AUDSYS) += clk-mt8192-aud.o obj-$(CONFIG_COMMON_CLK_MT8192_CAMSYS) += clk-mt8192-cam.o diff --git a/drivers/clk/mediatek/clk-mt8186-imp_iic_wrap.c b/drivers/clk/mediatek/clk-mt8186-imp_iic_wrap.c new file mode 100644 index 0000000000000..47f2e480a05eb --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8186-imp_iic_wrap.c @@ -0,0 +1,67 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2022 MediaTek Inc. +// Author: Chun-Jie Chen + +#include +#include +#include + +#include "clk-gate.h" +#include "clk-mtk.h" + +static const struct mtk_gate_regs imp_iic_wrap_cg_regs = { + .set_ofs = 0xe08, + .clr_ofs = 0xe04, + .sta_ofs = 0xe00, +}; + +#define GATE_IMP_IIC_WRAP(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &imp_iic_wrap_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +static const struct mtk_gate imp_iic_wrap_clks[] = { + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_AP_CLOCK_I2C0, + "imp_iic_wrap_ap_clock_i2c0", "infra_ao_i2c_ap", 0), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_AP_CLOCK_I2C1, + "imp_iic_wrap_ap_clock_i2c1", "infra_ao_i2c_ap", 1), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_AP_CLOCK_I2C2, + "imp_iic_wrap_ap_clock_i2c2", "infra_ao_i2c_ap", 2), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_AP_CLOCK_I2C3, + "imp_iic_wrap_ap_clock_i2c3", "infra_ao_i2c_ap", 3), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_AP_CLOCK_I2C4, + "imp_iic_wrap_ap_clock_i2c4", "infra_ao_i2c_ap", 4), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_AP_CLOCK_I2C5, + "imp_iic_wrap_ap_clock_i2c5", "infra_ao_i2c_ap", 5), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_AP_CLOCK_I2C6, + "imp_iic_wrap_ap_clock_i2c6", "infra_ao_i2c_ap", 6), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_AP_CLOCK_I2C7, + "imp_iic_wrap_ap_clock_i2c7", "infra_ao_i2c_ap", 7), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_AP_CLOCK_I2C8, + "imp_iic_wrap_ap_clock_i2c8", "infra_ao_i2c_ap", 8), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_AP_CLOCK_I2C9, + "imp_iic_wrap_ap_clock_i2c9", "infra_ao_i2c_ap", 9), +}; + +static const struct mtk_clk_desc imp_iic_wrap_desc = { + .clks = imp_iic_wrap_clks, + .num_clks = ARRAY_SIZE(imp_iic_wrap_clks), +}; + +static const struct of_device_id of_match_clk_mt8186_imp_iic_wrap[] = { + { + .compatible = "mediatek,mt8186-imp_iic_wrap", + .data = &imp_iic_wrap_desc, + }, { + /* sentinel */ + } +}; + +static struct platform_driver clk_mt8186_imp_iic_wrap_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8186-imp_iic_wrap", + .of_match_table = of_match_clk_mt8186_imp_iic_wrap, + }, +}; +builtin_platform_driver(clk_mt8186_imp_iic_wrap_drv);