From 3e26f30fe42d76d0163416e4ea198901fa02fc19 Mon Sep 17 00:00:00 2001 From: "Garmin.Chang" Date: Fri, 31 Mar 2023 20:36:12 +0800 Subject: clk: mediatek: Add MT8188 mfgcfg clock support Add MT8188 mfg clock controller which provides clock gate control for GPU. Signed-off-by: Garmin.Chang Reviewed-by: AngeloGioacchino Del Regno Link: https://lore.kernel.org/r/20230331123621.16167-11-Garmin.Chang@mediatek.com Signed-off-by: Stephen Boyd --- drivers/clk/mediatek/Kconfig | 7 +++++ drivers/clk/mediatek/Makefile | 1 + drivers/clk/mediatek/clk-mt8188-mfg.c | 49 +++++++++++++++++++++++++++++++++++ 3 files changed, 57 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8188-mfg.c diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 4f75904852be..d1239c7ac9f4 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -713,6 +713,13 @@ config COMMON_CLK_MT8188_IPESYS help This driver supports MediaTek MT8188 ipesys clocks. +config COMMON_CLK_MT8188_MFGCFG + tristate "Clock driver for MediaTek MT8188 mfgcfg" + depends on COMMON_CLK_MT8188 + default COMMON_CLK_MT8188 + help + This driver supports MediaTek MT8188 mfgcfg clocks. + config COMMON_CLK_MT8192 tristate "Clock driver for MediaTek MT8192" depends on ARM64 || COMPILE_TEST diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index c36e3d36ed67..16ba3c97c4e8 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -105,6 +105,7 @@ obj-$(CONFIG_COMMON_CLK_MT8188) += clk-mt8188-apmixedsys.o clk-mt8188-topckgen.o obj-$(CONFIG_COMMON_CLK_MT8188_CAMSYS) += clk-mt8188-cam.o clk-mt8188-ccu.o obj-$(CONFIG_COMMON_CLK_MT8188_IMGSYS) += clk-mt8188-img.o obj-$(CONFIG_COMMON_CLK_MT8188_IPESYS) += clk-mt8188-ipe.o +obj-$(CONFIG_COMMON_CLK_MT8188_MFGCFG) += clk-mt8188-mfg.o obj-$(CONFIG_COMMON_CLK_MT8192) += clk-mt8192-apmixedsys.o 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-mfg.c b/drivers/clk/mediatek/clk-mt8188-mfg.c new file mode 100644 index 000000000000..e5a6eaf84672 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8188-mfg.c @@ -0,0 +1,49 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022 MediaTek Inc. + * Author: Garmin Chang + */ + +#include +#include +#include + +#include "clk-gate.h" +#include "clk-mtk.h" + +static const struct mtk_gate_regs mfgcfg_cg_regs = { + .set_ofs = 0x4, + .clr_ofs = 0x8, + .sta_ofs = 0x0, +}; + +#define GATE_MFG(_id, _name, _parent, _shift) \ + GATE_MTK_FLAGS(_id, _name, _parent, &mfgcfg_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr, CLK_SET_RATE_PARENT) + +static const struct mtk_gate mfgcfg_clks[] = { + GATE_MFG(CLK_MFGCFG_BG3D, "mfgcfg_bg3d", "mfg_ck_fast_ref", 0), +}; + +static const struct mtk_clk_desc mfgcfg_desc = { + .clks = mfgcfg_clks, + .num_clks = ARRAY_SIZE(mfgcfg_clks), +}; + +static const struct of_device_id of_match_clk_mt8188_mfgcfg[] = { + { .compatible = "mediatek,mt8188-mfgcfg", .data = &mfgcfg_desc }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_mfgcfg); + +static struct platform_driver clk_mt8188_mfgcfg_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8188-mfgcfg", + .of_match_table = of_match_clk_mt8188_mfgcfg, + }, +}; + +module_platform_driver(clk_mt8188_mfgcfg_drv); +MODULE_LICENSE("GPL"); -- cgit v1.2.3