From 7e23620dff94c4956f613f4c032c4140de188349 Mon Sep 17 00:00:00 2001 From: Chun-Jie Chen Date: Sat, 9 Apr 2022 21:22:47 +0800 Subject: [PATCH] clk: mediatek: Add MT8186 vdecsys clock support Add MT8186 vdec clock controller which provide clock gate control for video decoder. Signed-off-by: Chun-Jie Chen Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Miles Chen Link: https://lore.kernel.org/r/20220409132251.31725-12-chun-jie.chen@mediatek.com Signed-off-by: Stephen Boyd --- drivers/clk/mediatek/Makefile | 2 +- drivers/clk/mediatek/clk-mt8186-vdec.c | 88 ++++++++++++++++++++++++++++++++++ 2 files changed, 89 insertions(+), 1 deletion(-) create mode 100644 drivers/clk/mediatek/clk-mt8186-vdec.c diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index 09ede53..7b02388 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -74,7 +74,7 @@ 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-imp_iic_wrap.o \ clk-mt8186-mfg.o clk-mt8186-mm.o clk-mt8186-wpe.o \ - clk-mt8186-img.o + clk-mt8186-img.o clk-mt8186-vdec.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-vdec.c b/drivers/clk/mediatek/clk-mt8186-vdec.c new file mode 100644 index 0000000..5ad7e1a --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8186-vdec.c @@ -0,0 +1,88 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2022 MediaTek Inc. +// Author: Chun-Jie Chen + +#include +#include +#include + +#include "clk-mtk.h" +#include "clk-gate.h" + +#include + +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 = 0x190, + .clr_ofs = 0x190, + .sta_ofs = 0x190, +}; + +static const struct mtk_gate_regs vdec2_cg_regs = { + .set_ofs = 0x200, + .clr_ofs = 0x204, + .sta_ofs = 0x200, +}; + +static const struct mtk_gate_regs vdec3_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_no_setclr_inv) + +#define GATE_VDEC2(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &vdec2_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv) + +#define GATE_VDEC3(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &vdec3_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv) + +static const struct mtk_gate vdec_clks[] = { + /* VDEC0 */ + GATE_VDEC0(CLK_VDEC_CKEN, "vdec_cken", "top_vdec", 0), + GATE_VDEC0(CLK_VDEC_ACTIVE, "vdec_active", "top_vdec", 4), + GATE_VDEC0(CLK_VDEC_CKEN_ENG, "vdec_cken_eng", "top_vdec", 8), + /* VDEC1 */ + GATE_VDEC1(CLK_VDEC_MINI_MDP_CKEN_CFG_RG, "vdec_mini_mdp_cken_cfg_rg", "top_vdec", 0), + /* VDEC2 */ + GATE_VDEC2(CLK_VDEC_LAT_CKEN, "vdec_lat_cken", "top_vdec", 0), + GATE_VDEC2(CLK_VDEC_LAT_ACTIVE, "vdec_lat_active", "top_vdec", 4), + GATE_VDEC2(CLK_VDEC_LAT_CKEN_ENG, "vdec_lat_cken_eng", "top_vdec", 8), + /* VDEC3 */ + GATE_VDEC3(CLK_VDEC_LARB1_CKEN, "vdec_larb1_cken", "top_vdec", 0), +}; + +static const struct mtk_clk_desc vdec_desc = { + .clks = vdec_clks, + .num_clks = ARRAY_SIZE(vdec_clks), +}; + +static const struct of_device_id of_match_clk_mt8186_vdec[] = { + { + .compatible = "mediatek,mt8186-vdecsys", + .data = &vdec_desc, + }, { + /* sentinel */ + } +}; + +static struct platform_driver clk_mt8186_vdec_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8186-vdec", + .of_match_table = of_match_clk_mt8186_vdec, + }, +}; +builtin_platform_driver(clk_mt8186_vdec_drv); -- 2.7.4