[v3 13/24] clk: mediatek: Add MT8195 ipesys clock support
From: Chun-Jie Chen <hidden>
Date: 2021-09-14 02:17:45
Also in:
linux-arm-kernel, linux-clk, linux-mediatek, lkml
Subsystem:
common clk framework, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Linus Torvalds
Add MT8195 ipesys clock controller which provides clock gate control for Image Process Engine. Signed-off-by: Chun-Jie Chen <redacted> --- drivers/clk/mediatek/Makefile | 3 +- drivers/clk/mediatek/clk-mt8195-ipe.c | 51 +++++++++++++++++++++++++++ 2 files changed, 53 insertions(+), 1 deletion(-) create mode 100644 drivers/clk/mediatek/clk-mt8195-ipe.c
diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile
index 4d864cde87af..e9008dce7b2f 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile@@ -82,6 +82,7 @@ obj-$(CONFIG_COMMON_CLK_MT8192_VDECSYS) += clk-mt8192-vdec.o obj-$(CONFIG_COMMON_CLK_MT8192_VENCSYS) += clk-mt8192-venc.o obj-$(CONFIG_COMMON_CLK_MT8195) += clk-mt8195-apmixedsys.o clk-mt8195-topckgen.o \ clk-mt8195-peri_ao.o clk-mt8195-infra_ao.o \ - clk-mt8195-cam.o clk-mt8195-ccu.o clk-mt8195-img.o + clk-mt8195-cam.o clk-mt8195-ccu.o clk-mt8195-img.o \ + clk-mt8195-ipe.o obj-$(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-ipe.c b/drivers/clk/mediatek/clk-mt8195-ipe.c
new file mode 100644
index 000000000000..fc1d42b6ac84
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8195-ipe.c@@ -0,0 +1,51 @@ +// 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 ipe_cg_regs = { + .set_ofs = 0x0, + .clr_ofs = 0x0, + .sta_ofs = 0x0, +}; + +#define GATE_IPE(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &ipe_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr) + +static const struct mtk_gate ipe_clks[] = { + GATE_IPE(CLK_IPE_DPE, "ipe_dpe", "top_ipe", 0), + GATE_IPE(CLK_IPE_FDVT, "ipe_fdvt", "top_ipe", 1), + GATE_IPE(CLK_IPE_ME, "ipe_me", "top_ipe", 2), + GATE_IPE(CLK_IPE_TOP, "ipe_top", "top_ipe", 3), + GATE_IPE(CLK_IPE_SMI_LARB12, "ipe_smi_larb12", "top_ipe", 4), +}; + +static const struct mtk_clk_desc ipe_desc = { + .clks = ipe_clks, + .num_clks = ARRAY_SIZE(ipe_clks), +}; + +static const struct of_device_id of_match_clk_mt8195_ipe[] = { + { + .compatible = "mediatek,mt8195-ipesys", + .data = &ipe_desc, + }, { + /* sentinel */ + } +}; + +static struct platform_driver clk_mt8195_ipe_drv = { + .probe = mtk_clk_simple_probe, + .driver = { + .name = "clk-mt8195-ipe", + .of_match_table = of_match_clk_mt8195_ipe, + }, +}; +builtin_platform_driver(clk_mt8195_ipe_drv);
--
2.18.0