diff options
author | Chun-Jie Chen <chun-jie.chen@mediatek.com> | 2021-07-26 13:57:09 +0300 |
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committer | Stephen Boyd <sboyd@kernel.org> | 2021-07-27 20:53:07 +0300 |
commit | cebef18833e2db7f65a6c6bc436bd057807e94ee (patch) | |
tree | 0911b1689a5a68d3b2ad4e3e116e1786a24677a0 /drivers/clk | |
parent | f61e83488df777e570acf7ba1e1ca5024aef6611 (diff) | |
download | linux-cebef18833e2db7f65a6c6bc436bd057807e94ee.tar.xz |
clk: mediatek: Add MT8192 camsys clock support
Add MT8192 camsys and camsys raw clock providers
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210726105719.15793-12-chun-jie.chen@mediatek.com
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk')
-rw-r--r-- | drivers/clk/mediatek/Kconfig | 6 | ||||
-rw-r--r-- | drivers/clk/mediatek/Makefile | 1 | ||||
-rw-r--r-- | drivers/clk/mediatek/clk-mt8192-cam.c | 107 |
3 files changed, 114 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 909f423d7c4c..a39a4c201c9e 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -514,6 +514,12 @@ config COMMON_CLK_MT8192_AUDSYS help This driver supports MediaTek MT8192 audsys clocks. +config COMMON_CLK_MT8192_CAMSYS + bool "Clock driver for MediaTek MT8192 camsys" + depends on COMMON_CLK_MT8192 + help + This driver supports MediaTek MT8192 camsys and camsys_raw 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 1d0f2e8e9661..94bf7a03fd88 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -69,5 +69,6 @@ obj-$(CONFIG_COMMON_CLK_MT8183_VDECSYS) += clk-mt8183-vdec.o obj-$(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_MT8516) += clk-mt8516.o obj-$(CONFIG_COMMON_CLK_MT8516_AUDSYS) += clk-mt8516-aud.o diff --git a/drivers/clk/mediatek/clk-mt8192-cam.c b/drivers/clk/mediatek/clk-mt8192-cam.c new file mode 100644 index 000000000000..fc74cd80b4b0 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8192-cam.c @@ -0,0 +1,107 @@ +// 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 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_clks[] = { + GATE_CAM(CLK_CAM_LARB13, "cam_larb13", "cam_sel", 0), + GATE_CAM(CLK_CAM_DFP_VAD, "cam_dfp_vad", "cam_sel", 1), + GATE_CAM(CLK_CAM_LARB14, "cam_larb14", "cam_sel", 2), + GATE_CAM(CLK_CAM_CAM, "cam_cam", "cam_sel", 6), + GATE_CAM(CLK_CAM_CAMTG, "cam_camtg", "cam_sel", 7), + GATE_CAM(CLK_CAM_SENINF, "cam_seninf", "cam_sel", 8), + GATE_CAM(CLK_CAM_CAMSV0, "cam_camsv0", "cam_sel", 9), + GATE_CAM(CLK_CAM_CAMSV1, "cam_camsv1", "cam_sel", 10), + GATE_CAM(CLK_CAM_CAMSV2, "cam_camsv2", "cam_sel", 11), + GATE_CAM(CLK_CAM_CAMSV3, "cam_camsv3", "cam_sel", 12), + GATE_CAM(CLK_CAM_CCU0, "cam_ccu0", "cam_sel", 13), + GATE_CAM(CLK_CAM_CCU1, "cam_ccu1", "cam_sel", 14), + GATE_CAM(CLK_CAM_MRAW0, "cam_mraw0", "cam_sel", 15), + GATE_CAM(CLK_CAM_FAKE_ENG, "cam_fake_eng", "cam_sel", 17), + GATE_CAM(CLK_CAM_CCU_GALS, "cam_ccu_gals", "cam_sel", 18), + GATE_CAM(CLK_CAM_CAM2MM_GALS, "cam2mm_gals", "cam_sel", 19), +}; + +static const struct mtk_gate cam_rawa_clks[] = { + GATE_CAM(CLK_CAM_RAWA_LARBX, "cam_rawa_larbx", "cam_sel", 0), + GATE_CAM(CLK_CAM_RAWA_CAM, "cam_rawa_cam", "cam_sel", 1), + GATE_CAM(CLK_CAM_RAWA_CAMTG, "cam_rawa_camtg", "cam_sel", 2), +}; + +static const struct mtk_gate cam_rawb_clks[] = { + GATE_CAM(CLK_CAM_RAWB_LARBX, "cam_rawb_larbx", "cam_sel", 0), + GATE_CAM(CLK_CAM_RAWB_CAM, "cam_rawb_cam", "cam_sel", 1), + GATE_CAM(CLK_CAM_RAWB_CAMTG, "cam_rawb_camtg", "cam_sel", 2), +}; + +static const struct mtk_gate cam_rawc_clks[] = { + GATE_CAM(CLK_CAM_RAWC_LARBX, "cam_rawc_larbx", "cam_sel", 0), + GATE_CAM(CLK_CAM_RAWC_CAM, "cam_rawc_cam", "cam_sel", 1), + GATE_CAM(CLK_CAM_RAWC_CAMTG, "cam_rawc_camtg", "cam_sel", 2), +}; + +static const struct mtk_clk_desc cam_desc = { + .clks = cam_clks, + .num_clks = ARRAY_SIZE(cam_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_rawc_desc = { + .clks = cam_rawc_clks, + .num_clks = ARRAY_SIZE(cam_rawc_clks), +}; + +static const struct of_device_id of_match_clk_mt8192_cam[] = { + { + .compatible = "mediatek,mt8192-camsys", + .data = &cam_desc, + }, { + .compatible = "mediatek,mt8192-camsys_rawa", + .data = &cam_rawa_desc, + }, { + .compatible = "mediatek,mt8192-camsys_rawb", + .data = &cam_rawb_desc, + }, { + .compatible = "mediatek,mt8192-camsys_rawc", + .data = &cam_rawc_desc, + }, { + /* sentinel */ + } +}; + +static struct platform_driver clk_mt8192_cam_drv = { + .probe = mtk_clk_simple_probe, + .driver = { + .name = "clk-mt8192-cam", + .of_match_table = of_match_clk_mt8192_cam, + }, +}; + +builtin_platform_driver(clk_mt8192_cam_drv); |