[v3 14/24] clk: mediatek: Add MT8195 mfgcfg clock support
From: Chun-Jie Chen <hidden>
Date: 2021-09-14 02:17:50
Also in:
linux-clk, linux-devicetree, linux-mediatek, lkml
Subsystem:
common clk framework, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Linus Torvalds
Add MT8195 mfg clock controller which provides clock gate control for GPU. Signed-off-by: Chun-Jie Chen <redacted> --- drivers/clk/mediatek/Makefile | 2 +- drivers/clk/mediatek/clk-mt8195-mfg.c | 47 +++++++++++++++++++++++++++ 2 files changed, 48 insertions(+), 1 deletion(-) create mode 100644 drivers/clk/mediatek/clk-mt8195-mfg.c
diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile
index e9008dce7b2f..32f6afcf78da 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile@@ -83,6 +83,6 @@ obj-$(CONFIG_COMMON_CLK_MT8192_VENCSYS) += clk-mt8192-venc.o obj-$(CONFIG_COMMON_CLK_MT8195) += clk-mt8195-apmixedsys.o clk-mt8195-topckgen.o \ clk-mt8195-peri_ao.o clk-mt8195-infra_ao.o \ clk-mt8195-cam.o clk-mt8195-ccu.o clk-mt8195-img.o \ - clk-mt8195-ipe.o + clk-mt8195-ipe.o clk-mt8195-mfg.o obj-$(CONFIG_COMMON_CLK_MT8516) += clk-mt8516.o obj-$(CONFIG_COMMON_CLK_MT8516_AUDSYS) += clk-mt8516-aud.o
diff --git a/drivers/clk/mediatek/clk-mt8195-mfg.c b/drivers/clk/mediatek/clk-mt8195-mfg.c
new file mode 100644
index 000000000000..aca6d9c0837c
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8195-mfg.c@@ -0,0 +1,47 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2021 MediaTek Inc. +// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com> + +#include "clk-gate.h" +#include "clk-mtk.h" + +#include <dt-bindings/clock/mt8195-clk.h> +#include <linux/clk-provider.h> +#include <linux/platform_device.h> + +static const struct mtk_gate_regs mfg_cg_regs = { + .set_ofs = 0x4, + .clr_ofs = 0x8, + .sta_ofs = 0x0, +}; + +#define GATE_MFG(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &mfg_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +static const struct mtk_gate mfg_clks[] = { + GATE_MFG(CLK_MFG_BG3D, "mfg_bg3d", "top_mfg_core_tmp", 0), +}; + +static const struct mtk_clk_desc mfg_desc = { + .clks = mfg_clks, + .num_clks = ARRAY_SIZE(mfg_clks), +}; + +static const struct of_device_id of_match_clk_mt8195_mfg[] = { + { + .compatible = "mediatek,mt8195-mfgcfg", + .data = &mfg_desc, + }, { + /* sentinel */ + } +}; + +static struct platform_driver clk_mt8195_mfg_drv = { + .probe = mtk_clk_simple_probe, + .driver = { + .name = "clk-mt8195-mfg", + .of_match_table = of_match_clk_mt8195_mfg, + }, +}; +builtin_platform_driver(clk_mt8195_mfg_drv);
--
2.18.0
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