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Subject[PATCH 07/22] clk: mediatek: Add MT8195 camsys clock support
Date
Add MT8195 camsys clock providers

Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
---
drivers/clk/mediatek/Kconfig | 6 ++
drivers/clk/mediatek/Makefile | 1 +
drivers/clk/mediatek/clk-mt8195-cam.c | 144 ++++++++++++++++++++++++++
3 files changed, 151 insertions(+)
create mode 100644 drivers/clk/mediatek/clk-mt8195-cam.c

diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig
index 62dd02bc2755..515155f3d185 100644
--- a/drivers/clk/mediatek/Kconfig
+++ b/drivers/clk/mediatek/Kconfig
@@ -600,6 +600,12 @@ config COMMON_CLK_MT8195_AUDSYS_SRC
help
This driver supports MediaTek MT8195 audsys_src clocks.

+config COMMON_CLK_MT8195_CAMSYS
+ bool "Clock driver for MediaTek MT8195 camsys"
+ depends on COMMON_CLK_MT8195
+ help
+ This driver supports MediaTek MT8195 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 52a5d3f49ff0..421064e7418c 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile
@@ -83,5 +83,6 @@ obj-$(CONFIG_COMMON_CLK_MT8192_VENCSYS) += clk-mt8192-venc.o
obj-$(CONFIG_COMMON_CLK_MT8195) += clk-mt8195.o
obj-$(CONFIG_COMMON_CLK_MT8195_AUDSYS) += clk-mt8195-aud.o
obj-$(CONFIG_COMMON_CLK_MT8195_AUDSYS_SRC) += clk-mt8195-aud_src.o
+obj-$(CONFIG_COMMON_CLK_MT8195_CAMSYS) += clk-mt8195-cam.o
obj-$(CONFIG_COMMON_CLK_MT8516) += clk-mt8516.o
obj-$(CONFIG_COMMON_CLK_MT8516_AUDSYS) += clk-mt8516-aud.o
diff --git a/drivers/clk/mediatek/clk-mt8195-cam.c b/drivers/clk/mediatek/clk-mt8195-cam.c
new file mode 100644
index 000000000000..41f48d4b7de6
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8195-cam.c
@@ -0,0 +1,144 @@
+// 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/platform_device.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+#include <dt-bindings/clock/mt8195-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_LARB14, "cam_larb14", "cam_sel", 1),
+ GATE_CAM(CLK_CAM_MAIN_CAM, "cam_main_cam", "cam_sel", 3),
+ GATE_CAM(CLK_CAM_MAIN_CAMTG, "cam_main_camtg", "cam_sel", 4),
+ GATE_CAM(CLK_CAM_SENINF, "cam_seninf", "cam_sel", 5),
+ GATE_CAM(CLK_CAM_GCAMSVA, "cam_gcamsva", "cam_sel", 6),
+ GATE_CAM(CLK_CAM_GCAMSVB, "cam_gcamsvb", "cam_sel", 7),
+ GATE_CAM(CLK_CAM_GCAMSVC, "cam_gcamsvc", "cam_sel", 8),
+ GATE_CAM(CLK_CAM_SCAMSA, "cam_scamsa", "cam_sel", 9),
+ GATE_CAM(CLK_CAM_SCAMSB, "cam_scamsb", "cam_sel", 10),
+ GATE_CAM(CLK_CAM_CAMSV_TOP, "cam_camsv_top", "cam_sel", 11),
+ GATE_CAM(CLK_CAM_CAMSV_CQ, "cam_camsv_cq", "cam_sel", 12),
+ GATE_CAM(CLK_CAM_ADL, "cam_adl", "cam_sel", 16),
+ GATE_CAM(CLK_CAM_ASG, "cam_asg", "cam_sel", 17),
+ GATE_CAM(CLK_CAM_PDA, "cam_pda", "cam_sel", 18),
+ GATE_CAM(CLK_CAM_FAKE_ENG, "cam_fake_eng", "cam_sel", 19),
+ GATE_CAM(CLK_CAM_MAIN_MRAW0, "cam_main_mraw0", "cam_sel", 20),
+ GATE_CAM(CLK_CAM_MAIN_MRAW1, "cam_main_mraw1", "cam_sel", 21),
+ GATE_CAM(CLK_CAM_MAIN_MRAW2, "cam_main_mraw2", "cam_sel", 22),
+ GATE_CAM(CLK_CAM_MAIN_MRAW3, "cam_main_mraw3", "cam_sel", 23),
+ GATE_CAM(CLK_CAM_CAM2MM0_GALS, "cam_cam2mm0_gals", "cam_sel", 24),
+ GATE_CAM(CLK_CAM_CAM2MM1_GALS, "cam_cam2mm1_gals", "cam_sel", 25),
+ GATE_CAM(CLK_CAM_CAM2SYS_GALS, "cam_cam2sys_gals", "cam_sel", 26),
+};
+
+static const struct mtk_gate cam_mraw_clks[] = {
+ GATE_CAM(CLK_CAM_MRAW_LARBX, "cam_mraw_larbx", "cam_sel", 0),
+ GATE_CAM(CLK_CAM_MRAW_CAMTG, "cam_mraw_camtg", "cam_sel", 2),
+ GATE_CAM(CLK_CAM_MRAW_MRAW0, "cam_mraw_mraw0", "cam_sel", 3),
+ GATE_CAM(CLK_CAM_MRAW_MRAW1, "cam_mraw_mraw1", "cam_sel", 4),
+ GATE_CAM(CLK_CAM_MRAW_MRAW2, "cam_mraw_mraw2", "cam_sel", 5),
+ GATE_CAM(CLK_CAM_MRAW_MRAW3, "cam_mraw_mraw3", "cam_sel", 6),
+};
+
+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_yuva_clks[] = {
+ GATE_CAM(CLK_CAM_YUVA_LARBX, "cam_yuva_larbx", "cam_sel", 0),
+ GATE_CAM(CLK_CAM_YUVA_CAM, "cam_yuva_cam", "cam_sel", 1),
+ GATE_CAM(CLK_CAM_YUVA_CAMTG, "cam_yuva_camtg", "cam_sel", 2),
+};
+
+static const struct mtk_gate cam_yuvb_clks[] = {
+ GATE_CAM(CLK_CAM_YUVB_LARBX, "cam_yuvb_larbx", "cam_sel", 0),
+ GATE_CAM(CLK_CAM_YUVB_CAM, "cam_yuvb_cam", "cam_sel", 1),
+ GATE_CAM(CLK_CAM_YUVB_CAMTG, "cam_yuvb_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_mraw_desc = {
+ .clks = cam_mraw_clks,
+ .num_clks = ARRAY_SIZE(cam_mraw_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_mt8195_cam[] = {
+ {
+ .compatible = "mediatek,mt8195-camsys",
+ .data = &cam_desc,
+ }, {
+ .compatible = "mediatek,mt8195-camsys_mraw",
+ .data = &cam_mraw_desc,
+ }, {
+ .compatible = "mediatek,mt8195-camsys_rawa",
+ .data = &cam_rawa_desc,
+ }, {
+ .compatible = "mediatek,mt8195-camsys_rawb",
+ .data = &cam_rawb_desc,
+ }, {
+ .compatible = "mediatek,mt8195-camsys_yuva",
+ .data = &cam_yuva_desc,
+ }, {
+ .compatible = "mediatek,mt8195-camsys_yuvb",
+ .data = &cam_yuvb_desc,
+ }, {
+ /* sentinel */
+ }
+};
+
+static struct platform_driver clk_mt8195_cam_drv = {
+ .probe = mtk_clk_simple_probe,
+ .driver = {
+ .name = "clk-mt8195-cam",
+ .of_match_table = of_match_clk_mt8195_cam,
+ },
+};
+
+builtin_platform_driver(clk_mt8195_cam_drv);
--
2.18.0
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