[PATCH v6 11/19] clk: mediatek: Add MT8188 vdecsys clock support
From: Garmin.Chang <hidden>
Date: 2023-03-09 13:56:21
Also in:
linux-mediatek
Subsystem:
common clk framework, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Linus Torvalds
Add MT8188 vdec clock controllers which provide clock gate control for video decoder. Signed-off-by: Garmin.Chang <redacted> --- drivers/clk/mediatek/Makefile | 2 +- drivers/clk/mediatek/clk-mt8188-vdec.c | 90 ++++++++++++++++++++++++++ 2 files changed, 91 insertions(+), 1 deletion(-) create mode 100644 drivers/clk/mediatek/clk-mt8188-vdec.c
diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile
index dfe2c74c422c..bf8e50b54bb4 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile@@ -94,7 +94,7 @@ obj-$(CONFIG_COMMON_CLK_MT8186) += clk-mt8186-mcu.o clk-mt8186-topckgen.o clk-mt obj-$(CONFIG_COMMON_CLK_MT8188) += clk-mt8188-apmixedsys.o clk-mt8188-topckgen.o \ clk-mt8188-peri_ao.o clk-mt8188-infra_ao.o \ clk-mt8188-cam.o clk-mt8188-ccu.o clk-mt8188-img.o \ - clk-mt8188-ipe.o clk-mt8188-mfg.o + clk-mt8188-ipe.o clk-mt8188-mfg.o clk-mt8188-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-mt8188-vdec.c b/drivers/clk/mediatek/clk-mt8188-vdec.c
new file mode 100644
index 000000000000..4dc6f9e18f19
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8188-vdec.c@@ -0,0 +1,90 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2022 MediaTek Inc. +// Author: Garmin Chang <garmin.chang@mediatek.com> + +#include <linux/clk-provider.h> +#include <linux/platform_device.h> +#include <dt-bindings/clock/mediatek,mt8188-clk.h> + +#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 */ } +}; + +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, + }, +}; + +builtin_platform_driver(clk_mt8188_vdec_drv); +MODULE_LICENSE("GPL");
--
2.18.0
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