From 72753163899d78b4f693c5f6eb35c0706c3f0968 Mon Sep 17 00:00:00 2001 From: "Garmin.Chang" Date: Fri, 31 Mar 2023 20:36:13 +0800 Subject: [PATCH] clk: mediatek: Add MT8188 vdecsys clock support Add MT8188 vdec clock controllers which provide clock gate control for video decoder. Signed-off-by: Garmin.Chang Reviewed-by: AngeloGioacchino Del Regno Link: https://lore.kernel.org/r/20230331123621.16167-12-Garmin.Chang@mediatek.com Signed-off-by: Stephen Boyd --- drivers/clk/mediatek/Kconfig | 7 ++ drivers/clk/mediatek/Makefile | 1 + drivers/clk/mediatek/clk-mt8188-vdec.c | 92 ++++++++++++++++++++++++++ 3 files changed, 100 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8188-vdec.c diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index d1239c7ac9f4..8470684daa46 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -720,6 +720,13 @@ config COMMON_CLK_MT8188_MFGCFG help This driver supports MediaTek MT8188 mfgcfg clocks. +config COMMON_CLK_MT8188_VDECSYS + tristate "Clock driver for MediaTek MT8188 vdecsys" + depends on COMMON_CLK_MT8188_VPPSYS + default COMMON_CLK_MT8188_VPPSYS + help + This driver supports MediaTek MT8188 vdecsys and vdecsys_soc clocks. + config COMMON_CLK_MT8192 tristate "Clock driver for MediaTek MT8192" depends on ARM64 || COMPILE_TEST diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index 16ba3c97c4e8..b63d38804809 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -106,6 +106,7 @@ 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-$(CONFIG_COMMON_CLK_MT8188_IPESYS) += clk-mt8188-ipe.o obj-$(CONFIG_COMMON_CLK_MT8188_MFGCFG) += clk-mt8188-mfg.o +obj-$(CONFIG_COMMON_CLK_MT8188_VDECSYS) += clk-mt8188-vdec.o obj-$(CONFIG_COMMON_CLK_MT8192) += clk-mt8192-apmixedsys.o 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-mt8188-vdec.c b/drivers/clk/mediatek/clk-mt8188-vdec.c new file mode 100644 index 000000000000..8c3d76531753 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8188-vdec.c @@ -0,0 +1,92 @@ +// 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 vdec0_cg_regs = { + .set_ofs = 0x0, + .clr_ofs = 0x4, + .sta_ofs = 0x0, +}; + +static const struct mtk_gate_regs vdec1_cg_regs = { + .set_ofs = 0x200, + .clr_ofs = 0x204, + .sta_ofs = 0x200, +}; + +static const struct mtk_gate_regs vdec2_cg_regs = { + .set_ofs = 0x8, + .clr_ofs = 0xc, + .sta_ofs = 0x8, +}; + +#define GATE_VDEC0(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv) + +#define GATE_VDEC1(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv) + +#define GATE_VDEC2(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &vdec2_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv) + +static const struct mtk_gate vdec1_clks[] = { + /* VDEC1_0 */ + GATE_VDEC0(CLK_VDEC1_SOC_VDEC, "vdec1_soc_vdec", "top_vdec", 0), + GATE_VDEC0(CLK_VDEC1_SOC_VDEC_ACTIVE, "vdec1_soc_vdec_active", "top_vdec", 4), + GATE_VDEC0(CLK_VDEC1_SOC_VDEC_ENG, "vdec1_soc_vdec_eng", "top_vdec", 8), + /* VDEC1_1 */ + GATE_VDEC1(CLK_VDEC1_SOC_LAT, "vdec1_soc_lat", "top_vdec", 0), + GATE_VDEC1(CLK_VDEC1_SOC_LAT_ACTIVE, "vdec1_soc_lat_active", "top_vdec", 4), + GATE_VDEC1(CLK_VDEC1_SOC_LAT_ENG, "vdec1_soc_lat_eng", "top_vdec", 8), + /* VDEC1_2 */ + GATE_VDEC2(CLK_VDEC1_SOC_LARB1, "vdec1_soc_larb1", "top_vdec", 0), +}; + +static const struct mtk_gate vdec2_clks[] = { + /* VDEC2_0 */ + GATE_VDEC0(CLK_VDEC2_VDEC, "vdec2_vdec", "top_vdec", 0), + GATE_VDEC0(CLK_VDEC2_VDEC_ACTIVE, "vdec2_vdec_active", "top_vdec", 4), + GATE_VDEC0(CLK_VDEC2_VDEC_ENG, "vdec2_vdec_eng", "top_vdec", 8), + /* VDEC2_1 */ + GATE_VDEC1(CLK_VDEC2_LAT, "vdec2_lat", "top_vdec", 0), + /* VDEC2_2 */ + GATE_VDEC2(CLK_VDEC2_LARB1, "vdec2_larb1", "top_vdec", 0), +}; + +static const struct mtk_clk_desc vdec1_desc = { + .clks = vdec1_clks, + .num_clks = ARRAY_SIZE(vdec1_clks), +}; + +static const struct mtk_clk_desc vdec2_desc = { + .clks = vdec2_clks, + .num_clks = ARRAY_SIZE(vdec2_clks), +}; + +static const struct of_device_id of_match_clk_mt8188_vdec[] = { + { .compatible = "mediatek,mt8188-vdecsys-soc", .data = &vdec1_desc }, + { .compatible = "mediatek,mt8188-vdecsys", .data = &vdec2_desc }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_vdec); + +static struct platform_driver clk_mt8188_vdec_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8188-vdec", + .of_match_table = of_match_clk_mt8188_vdec, + }, +}; + +module_platform_driver(clk_mt8188_vdec_drv); +MODULE_LICENSE("GPL"); -- 2.39.5