[PATCH 11/22] clk: mediatek: Add MT8195 mfgcfg clock support
From: Chun-Jie Chen <hidden>
Date: 2021-06-16 22:50:10
Also in:
linux-clk, linux-devicetree, linux-mediatek, lkml
Subsystem:
common clk framework, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Linus Torvalds
Add MT8195 mfgcfg clock provider Signed-off-by: Chun-Jie Chen <redacted> --- drivers/clk/mediatek/Kconfig | 6 ++++ drivers/clk/mediatek/Makefile | 1 + drivers/clk/mediatek/clk-mt8195-mfg.c | 49 +++++++++++++++++++++++++++ 3 files changed, 56 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8195-mfg.c
diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig
index ef7d4b433eee..066c14a89cee 100644
--- a/drivers/clk/mediatek/Kconfig
+++ b/drivers/clk/mediatek/Kconfig@@ -624,6 +624,12 @@ config COMMON_CLK_MT8195_IPESYS help This driver supports MediaTek MT8195 ipesys clocks. +config COMMON_CLK_MT8195_MFGCFG + bool "Clock driver for MediaTek MT8195 mfgcfg" + depends on COMMON_CLK_MT8195 + help + This driver supports MediaTek MT8195 mfgcfg clocks. + config COMMON_CLK_MT8516 bool "Clock driver for MediaTek MT8516" depends on ARCH_MEDIATEK || COMPILE_TEST
diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile
index 991a9be7ac46..9b09e7f640d1 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile@@ -87,5 +87,6 @@ obj-$(CONFIG_COMMON_CLK_MT8195_CAMSYS) += clk-mt8195-cam.o obj-$(CONFIG_COMMON_CLK_MT8195_CCUSYS) += clk-mt8195-ccu.o obj-$(CONFIG_COMMON_CLK_MT8195_IMGSYS) += clk-mt8195-img.o obj-$(CONFIG_COMMON_CLK_MT8195_IPESYS) += clk-mt8195-ipe.o +obj-$(CONFIG_COMMON_CLK_MT8195_MFGCFG) += clk-mt8195-mfg.o obj-$(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..a9b1d337cd01
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8195-mfg.c@@ -0,0 +1,49 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2021 MediaTek Inc. +// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com> + +#include <linux/clk-provider.h> +#include <linux/platform_device.h> + +#include "clk-mtk.h" +#include "clk-gate.h" + +#include <dt-bindings/clock/mt8195-clk.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", "mfg_sel", 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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