Messages in this thread Patch in this message | | | From | Weiyi Lu <> | Subject | [PATCH v4 13/34] clk: mediatek: Add MT8192 camsys clock support | Date | Thu, 22 Oct 2020 20:37:06 +0800 |
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Add MT8192 camsys clock provider
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com> --- drivers/clk/mediatek/Kconfig | 6 +++ drivers/clk/mediatek/Makefile | 1 + drivers/clk/mediatek/clk-mt8192-cam.c | 72 +++++++++++++++++++++++++++++++++++ 3 files changed, 79 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8192-cam.c
diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 9360fe4..0cb9f73 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -455,6 +455,12 @@ 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 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 a6af4b4..f446834 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -63,5 +63,6 @@ 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 0000000..68d3f6e --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8192-cam.c @@ -0,0 +1,72 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2020 MediaTek Inc. +// Author: Weiyi Lu <weiyi.lu@mediatek.com> + +#include <linux/clk-provider.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 int clk_mt8192_cam_probe(struct platform_device *pdev) +{ + struct clk_onecell_data *clk_data; + struct device_node *node = pdev->dev.of_node; + int r; + + clk_data = mtk_alloc_clk_data(CLK_CAM_NR_CLK); + if (!clk_data) + return -ENOMEM; + + r = mtk_clk_register_gates(node, cam_clks, ARRAY_SIZE(cam_clks), clk_data); + if (r) + return r; + + return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); +} + +static const struct of_device_id of_match_clk_mt8192_cam[] = { + { .compatible = "mediatek,mt8192-camsys", }, + {} +}; + +static struct platform_driver clk_mt8192_cam_drv = { + .probe = clk_mt8192_cam_probe, + .driver = { + .name = "clk-mt8192-cam", + .of_match_table = of_match_clk_mt8192_cam, + }, +}; + +builtin_platform_driver(clk_mt8192_cam_drv); -- 1.8.1.1.dirty | |