diff options
Diffstat (limited to 'drivers/clk/mediatek')
| -rw-r--r-- | drivers/clk/mediatek/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/clk/mediatek/Makefile | 1 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8192-img.c | 70 |
3 files changed, 77 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index a39a4c201c9e..38011dccfe47 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -520,6 +520,12 @@ config COMMON_CLK_MT8192_CAMSYS help This driver supports MediaTek MT8192 camsys and camsys_raw clocks. +config COMMON_CLK_MT8192_IMGSYS + bool "Clock driver for MediaTek MT8192 imgsys" + depends on COMMON_CLK_MT8192 + help + This driver supports MediaTek MT8192 imgsys and imgsys2 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 94bf7a03fd88..91392cb333fd 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -70,5 +70,6 @@ obj-$(CONFIG_COMMON_CLK_MT8183_VENCSYS) += clk-mt8183-venc.o obj-$(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 +obj-$(CONFIG_COMMON_CLK_MT8192_IMGSYS) += clk-mt8192-img.o obj-$(CONFIG_COMMON_CLK_MT8516) += clk-mt8516.o obj-$(CONFIG_COMMON_CLK_MT8516_AUDSYS) += clk-mt8516-aud.o diff --git a/drivers/clk/mediatek/clk-mt8192-img.c b/drivers/clk/mediatek/clk-mt8192-img.c new file mode 100644 index 000000000000..7ce3abe42577 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8192-img.c @@ -0,0 +1,70 @@ +// 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/of_device.h> +#include <linux/platform_device.h> + +#include "clk-mtk.h" +#include "clk-gate.h" + +#include <dt-bindings/clock/mt8192-clk.h> + +static const struct mtk_gate_regs img_cg_regs = { + .set_ofs = 0x4, + .clr_ofs = 0x8, + .sta_ofs = 0x0, +}; + +#define GATE_IMG(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +static const struct mtk_gate img_clks[] = { + GATE_IMG(CLK_IMG_LARB9, "img_larb9", "img1_sel", 0), + GATE_IMG(CLK_IMG_LARB10, "img_larb10", "img1_sel", 1), + GATE_IMG(CLK_IMG_DIP, "img_dip", "img1_sel", 2), + GATE_IMG(CLK_IMG_GALS, "img_gals", "img1_sel", 12), +}; + +static const struct mtk_gate img2_clks[] = { + GATE_IMG(CLK_IMG2_LARB11, "img2_larb11", "img1_sel", 0), + GATE_IMG(CLK_IMG2_LARB12, "img2_larb12", "img1_sel", 1), + GATE_IMG(CLK_IMG2_MFB, "img2_mfb", "img1_sel", 6), + GATE_IMG(CLK_IMG2_WPE, "img2_wpe", "img1_sel", 7), + GATE_IMG(CLK_IMG2_MSS, "img2_mss", "img1_sel", 8), + GATE_IMG(CLK_IMG2_GALS, "img2_gals", "img1_sel", 12), +}; + +static const struct mtk_clk_desc img_desc = { + .clks = img_clks, + .num_clks = ARRAY_SIZE(img_clks), +}; + +static const struct mtk_clk_desc img2_desc = { + .clks = img2_clks, + .num_clks = ARRAY_SIZE(img2_clks), +}; + +static const struct of_device_id of_match_clk_mt8192_img[] = { + { + .compatible = "mediatek,mt8192-imgsys", + .data = &img_desc, + }, { + .compatible = "mediatek,mt8192-imgsys2", + .data = &img2_desc, + }, { + /* sentinel */ + } +}; + +static struct platform_driver clk_mt8192_img_drv = { + .probe = mtk_clk_simple_probe, + .driver = { + .name = "clk-mt8192-img", + .of_match_table = of_match_clk_mt8192_img, + }, +}; + +builtin_platform_driver(clk_mt8192_img_drv); |