From 1b5e5299dd35da0dff2d454826a60870237837da Mon Sep 17 00:00:00 2001 From: "Garmin.Chang" Date: Fri, 31 Mar 2023 20:36:20 +0800 Subject: clk: mediatek: Add MT8188 imp i2c wrapper clock support Add MT8188 imp i2c wrapper clock controllers which provide clock gate control in I2C IP blocks. Signed-off-by: Garmin.Chang Reviewed-by: Chen-Yu Tsai Reviewed-by: AngeloGioacchino Del Regno Link: https://lore.kernel.org/r/20230331123621.16167-19-Garmin.Chang@mediatek.com Signed-off-by: Stephen Boyd --- drivers/clk/mediatek/Kconfig | 7 +++ drivers/clk/mediatek/Makefile | 1 + drivers/clk/mediatek/clk-mt8188-imp_iic_wrap.c | 80 ++++++++++++++++++++++++++ 3 files changed, 88 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8188-imp_iic_wrap.c (limited to 'drivers/clk/mediatek') diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 998cf4f559ea..afabdffded50 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -706,6 +706,13 @@ config COMMON_CLK_MT8188_IMGSYS help This driver supports MediaTek MT8188 imgsys and imgsys2 clocks. +config COMMON_CLK_MT8188_IMP_IIC_WRAP + tristate "Clock driver for MediaTek MT8188 imp_iic_wrap" + depends on COMMON_CLK_MT8188 + default COMMON_CLK_MT8188 + help + This driver supports MediaTek MT8188 I2C/I3C clocks. + config COMMON_CLK_MT8188_IPESYS tristate "Clock driver for MediaTek MT8188 ipesys" depends on COMMON_CLK_MT8188_IMGSYS diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index df4e2da1ca49..7ef67ac366d8 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -104,6 +104,7 @@ obj-$(CONFIG_COMMON_CLK_MT8188) += clk-mt8188-apmixedsys.o clk-mt8188-topckgen.o clk-mt8188-peri_ao.o clk-mt8188-infra_ao.o obj-$(CONFIG_COMMON_CLK_MT8188_CAMSYS) += clk-mt8188-cam.o clk-mt8188-ccu.o obj-$(CONFIG_COMMON_CLK_MT8188_IMGSYS) += clk-mt8188-img.o +obj-$(CONFIG_COMMON_CLK_MT8188_IMP_IIC_WRAP) += clk-mt8188-imp_iic_wrap.o obj-$(CONFIG_COMMON_CLK_MT8188_IPESYS) += clk-mt8188-ipe.o obj-$(CONFIG_COMMON_CLK_MT8188_MFGCFG) += clk-mt8188-mfg.o obj-$(CONFIG_COMMON_CLK_MT8188_VDECSYS) += clk-mt8188-vdec.o diff --git a/drivers/clk/mediatek/clk-mt8188-imp_iic_wrap.c b/drivers/clk/mediatek/clk-mt8188-imp_iic_wrap.c new file mode 100644 index 000000000000..2238d2984320 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8188-imp_iic_wrap.c @@ -0,0 +1,80 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022 MediaTek Inc. + * Author: Garmin Chang + */ + +#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_FLAGS(_id, _name, _parent, &imp_iic_wrap_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr, CLK_OPS_PARENT_ENABLE) + +static const struct mtk_gate imp_iic_wrap_c_clks[] = { + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_C_AP_CLOCK_I2C0, + "imp_iic_wrap_c_ap_clock_i2c0", "top_i2c", 0), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_C_AP_CLOCK_I2C2, + "imp_iic_wrap_c_ap_clock_i2c2", "top_i2c", 1), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_C_AP_CLOCK_I2C3, + "imp_iic_wrap_c_ap_clock_i2c3", "top_i2c", 2), +}; + +static const struct mtk_gate imp_iic_wrap_w_clks[] = { + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_AP_CLOCK_I2C1, + "imp_iic_wrap_w_ap_clock_i2c1", "top_i2c", 0), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_AP_CLOCK_I2C4, + "imp_iic_wrap_w_ap_clock_i2c4", "top_i2c", 1), +}; + +static const struct mtk_gate imp_iic_wrap_en_clks[] = { + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_EN_AP_CLOCK_I2C5, + "imp_iic_wrap_en_ap_clock_i2c5", "top_i2c", 0), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_EN_AP_CLOCK_I2C6, + "imp_iic_wrap_en_ap_clock_i2c6", "top_i2c", 1), +}; + +static const struct mtk_clk_desc imp_iic_wrap_c_desc = { + .clks = imp_iic_wrap_c_clks, + .num_clks = ARRAY_SIZE(imp_iic_wrap_c_clks), +}; + +static const struct mtk_clk_desc imp_iic_wrap_w_desc = { + .clks = imp_iic_wrap_w_clks, + .num_clks = ARRAY_SIZE(imp_iic_wrap_w_clks), +}; + +static const struct mtk_clk_desc imp_iic_wrap_en_desc = { + .clks = imp_iic_wrap_en_clks, + .num_clks = ARRAY_SIZE(imp_iic_wrap_en_clks), +}; + +static const struct of_device_id of_match_clk_mt8188_imp_iic_wrap[] = { + { .compatible = "mediatek,mt8188-imp-iic-wrap-c", .data = &imp_iic_wrap_c_desc }, + { .compatible = "mediatek,mt8188-imp-iic-wrap-w", .data = &imp_iic_wrap_w_desc }, + { .compatible = "mediatek,mt8188-imp-iic-wrap-en", .data = &imp_iic_wrap_en_desc }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(platform, of_match_clk_mt8188_imp_iic_wrap); + +static struct platform_driver clk_mt8188_imp_iic_wrap_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8188-imp_iic_wrap", + .of_match_table = of_match_clk_mt8188_imp_iic_wrap, + }, +}; + +module_platform_driver(clk_mt8188_imp_iic_wrap_drv); +MODULE_LICENSE("GPL"); -- cgit v1.2.3