From 9b42835684a5e8fd1f5bcf66050c3be194790aee Mon Sep 17 00:00:00 2001 From: "Garmin.Chang" Date: Fri, 31 Mar 2023 20:36:08 +0800 Subject: [PATCH] clk: mediatek: Add MT8188 camsys clock support Add MT8188 camsys clock controllers which provide clock gate control for camera IP blocks. Signed-off-by: Garmin.Chang Reviewed-by: Chen-Yu Tsai Reviewed-by: AngeloGioacchino Del Regno Link: https://lore.kernel.org/r/20230331123621.16167-7-Garmin.Chang@mediatek.com Signed-off-by: Stephen Boyd --- drivers/clk/mediatek/Kconfig | 7 ++ drivers/clk/mediatek/Makefile | 1 + drivers/clk/mediatek/clk-mt8188-cam.c | 120 ++++++++++++++++++++++++++++++++++ 3 files changed, 128 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8188-cam.c diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 681d392..9170f76 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -692,6 +692,13 @@ config COMMON_CLK_MT8188 help This driver supports MediaTek MT8188 clocks. +config COMMON_CLK_MT8188_CAMSYS + tristate "Clock driver for MediaTek MT8188 camsys" + depends on COMMON_CLK_MT8188_VPPSYS + default COMMON_CLK_MT8188_VPPSYS + help + This driver supports MediaTek MT8188 camsys and camsys_raw 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 1a64251..3a2a35c 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -102,6 +102,7 @@ obj-$(CONFIG_COMMON_CLK_MT8186_VENCSYS) += clk-mt8186-venc.o obj-$(CONFIG_COMMON_CLK_MT8186_WPESYS) += clk-mt8186-wpe.o obj-$(CONFIG_COMMON_CLK_MT8188) += clk-mt8188-apmixedsys.o clk-mt8188-topckgen.o \ clk-mt8188-peri_ao.o clk-mt8188-infra_ao.o +obj-$(CONFIG_COMMON_CLK_MT8188_CAMSYS) += clk-mt8188-cam.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-cam.c b/drivers/clk/mediatek/clk-mt8188-cam.c new file mode 100644 index 0000000..c5a3856 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8188-cam.c @@ -0,0 +1,120 @@ +// 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 cam_cg_regs = { + .set_ofs = 0x4, + .clr_ofs = 0x8, + .sta_ofs = 0x0, +}; + +#define GATE_CAM(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &cam_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +static const struct mtk_gate cam_main_clks[] = { + GATE_CAM(CLK_CAM_MAIN_LARB13, "cam_main_larb13", "top_cam", 0), + GATE_CAM(CLK_CAM_MAIN_LARB14, "cam_main_larb14", "top_cam", 1), + GATE_CAM(CLK_CAM_MAIN_CAM, "cam_main_cam", "top_cam", 2), + GATE_CAM(CLK_CAM_MAIN_CAM_SUBA, "cam_main_cam_suba", "top_cam", 3), + GATE_CAM(CLK_CAM_MAIN_CAM_SUBB, "cam_main_cam_subb", "top_cam", 4), + GATE_CAM(CLK_CAM_MAIN_CAMTG, "cam_main_camtg", "top_cam", 7), + GATE_CAM(CLK_CAM_MAIN_SENINF, "cam_main_seninf", "top_cam", 8), + GATE_CAM(CLK_CAM_MAIN_GCAMSVA, "cam_main_gcamsva", "top_cam", 9), + GATE_CAM(CLK_CAM_MAIN_GCAMSVB, "cam_main_gcamsvb", "top_cam", 10), + GATE_CAM(CLK_CAM_MAIN_GCAMSVC, "cam_main_gcamsvc", "top_cam", 11), + GATE_CAM(CLK_CAM_MAIN_GCAMSVD, "cam_main_gcamsvd", "top_cam", 12), + GATE_CAM(CLK_CAM_MAIN_GCAMSVE, "cam_main_gcamsve", "top_cam", 13), + GATE_CAM(CLK_CAM_MAIN_GCAMSVF, "cam_main_gcamsvf", "top_cam", 14), + GATE_CAM(CLK_CAM_MAIN_GCAMSVG, "cam_main_gcamsvg", "top_cam", 15), + GATE_CAM(CLK_CAM_MAIN_GCAMSVH, "cam_main_gcamsvh", "top_cam", 16), + GATE_CAM(CLK_CAM_MAIN_GCAMSVI, "cam_main_gcamsvi", "top_cam", 17), + GATE_CAM(CLK_CAM_MAIN_GCAMSVJ, "cam_main_gcamsvj", "top_cam", 18), + GATE_CAM(CLK_CAM_MAIN_CAMSV_TOP, "cam_main_camsv", "top_cam", 19), + GATE_CAM(CLK_CAM_MAIN_CAMSV_CQ_A, "cam_main_camsv_cq_a", "top_cam", 20), + GATE_CAM(CLK_CAM_MAIN_CAMSV_CQ_B, "cam_main_camsv_cq_b", "top_cam", 21), + GATE_CAM(CLK_CAM_MAIN_CAMSV_CQ_C, "cam_main_camsv_cq_c", "top_cam", 22), + GATE_CAM(CLK_CAM_MAIN_FAKE_ENG, "cam_main_fake_eng", "top_cam", 28), + GATE_CAM(CLK_CAM_MAIN_CAM2MM0_GALS, "cam_main_cam2mm0_gals", "top_cam", 29), + GATE_CAM(CLK_CAM_MAIN_CAM2MM1_GALS, "cam_main_cam2mm1_gals", "top_cam", 30), + GATE_CAM(CLK_CAM_MAIN_CAM2SYS_GALS, "cam_main_cam2sys_gals", "top_cam", 31), +}; + +static const struct mtk_gate cam_rawa_clks[] = { + GATE_CAM(CLK_CAM_RAWA_LARBX, "cam_rawa_larbx", "top_cam", 0), + GATE_CAM(CLK_CAM_RAWA_CAM, "cam_rawa_cam", "top_cam", 1), + GATE_CAM(CLK_CAM_RAWA_CAMTG, "cam_rawa_camtg", "top_cam", 2), +}; + +static const struct mtk_gate cam_rawb_clks[] = { + GATE_CAM(CLK_CAM_RAWB_LARBX, "cam_rawb_larbx", "top_cam", 0), + GATE_CAM(CLK_CAM_RAWB_CAM, "cam_rawb_cam", "top_cam", 1), + GATE_CAM(CLK_CAM_RAWB_CAMTG, "cam_rawb_camtg", "top_cam", 2), +}; + +static const struct mtk_gate cam_yuva_clks[] = { + GATE_CAM(CLK_CAM_YUVA_LARBX, "cam_yuva_larbx", "top_cam", 0), + GATE_CAM(CLK_CAM_YUVA_CAM, "cam_yuva_cam", "top_cam", 1), + GATE_CAM(CLK_CAM_YUVA_CAMTG, "cam_yuva_camtg", "top_cam", 2), +}; + +static const struct mtk_gate cam_yuvb_clks[] = { + GATE_CAM(CLK_CAM_YUVB_LARBX, "cam_yuvb_larbx", "top_cam", 0), + GATE_CAM(CLK_CAM_YUVB_CAM, "cam_yuvb_cam", "top_cam", 1), + GATE_CAM(CLK_CAM_YUVB_CAMTG, "cam_yuvb_camtg", "top_cam", 2), +}; + +static const struct mtk_clk_desc cam_main_desc = { + .clks = cam_main_clks, + .num_clks = ARRAY_SIZE(cam_main_clks), +}; + +static const struct mtk_clk_desc cam_rawa_desc = { + .clks = cam_rawa_clks, + .num_clks = ARRAY_SIZE(cam_rawa_clks), +}; + +static const struct mtk_clk_desc cam_rawb_desc = { + .clks = cam_rawb_clks, + .num_clks = ARRAY_SIZE(cam_rawb_clks), +}; + +static const struct mtk_clk_desc cam_yuva_desc = { + .clks = cam_yuva_clks, + .num_clks = ARRAY_SIZE(cam_yuva_clks), +}; + +static const struct mtk_clk_desc cam_yuvb_desc = { + .clks = cam_yuvb_clks, + .num_clks = ARRAY_SIZE(cam_yuvb_clks), +}; + +static const struct of_device_id of_match_clk_mt8188_cam[] = { + { .compatible = "mediatek,mt8188-camsys", .data = &cam_main_desc }, + { .compatible = "mediatek,mt8188-camsys-rawa", .data = &cam_rawa_desc }, + { .compatible = "mediatek,mt8188-camsys-rawb", .data = &cam_rawb_desc }, + { .compatible = "mediatek,mt8188-camsys-yuva", .data = &cam_yuva_desc }, + { .compatible = "mediatek,mt8188-camsys-yuvb", .data = &cam_yuvb_desc }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_cam); + +static struct platform_driver clk_mt8188_cam_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8188-cam", + .of_match_table = of_match_clk_mt8188_cam, + }, +}; + +module_platform_driver(clk_mt8188_cam_drv); +MODULE_LICENSE("GPL"); -- 2.7.4