clk: mediatek: add driver for MT8365 SoC

Add clock drivers for MT8365 SoC.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Link: https://lore.kernel.org/r/20220822152652.3499972-5-msp@baylibre.com
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

1 files changed, 57 insertions, 0 deletions

diff --git a/drivers/clk/mediatek/clk-mt8365-cam.c b/drivers/clk/mediatek/clk-mt8365-cam.c
new file mode 100644
index 000000000000..31d5b5cd6de1
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8365-cam.c
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2022 MediaTek Inc.
+ */
+
+#include <dt-bindings/clock/mediatek,mt8365-clk.h>
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+
+#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_clks[] = {
+	GATE_CAM(CLK_CAM_LARB2, "cam_larb2", "mm_sel", 0),
+	GATE_CAM(CLK_CAM, "cam", "mm_sel", 6),
+	GATE_CAM(CLK_CAMTG, "camtg", "mm_sel", 7),
+	GATE_CAM(CLK_CAM_SENIF, "cam_senif", "mm_sel", 8),
+	GATE_CAM(CLK_CAMSV0, "camsv0", "mm_sel", 9),
+	GATE_CAM(CLK_CAMSV1, "camsv1", "mm_sel", 10),
+	GATE_CAM(CLK_CAM_FDVT, "cam_fdvt", "mm_sel", 11),
+	GATE_CAM(CLK_CAM_WPE, "cam_wpe", "mm_sel", 12),
+};
+
+static const struct mtk_clk_desc cam_desc = {
+	.clks = cam_clks,
+	.num_clks = ARRAY_SIZE(cam_clks),
+};
+
+static const struct of_device_id of_match_clk_mt8365_cam[] = {
+	{
+		.compatible = "mediatek,mt8365-imgsys",
+		.data = &cam_desc,
+	}, {
+		/* sentinel */
+	}
+};
+
+static struct platform_driver clk_mt8365_cam_drv = {
+	.probe = mtk_clk_simple_probe,
+	.remove = mtk_clk_simple_remove,
+	.driver = {
+		.name = "clk-mt8365-cam",
+		.of_match_table = of_match_clk_mt8365_cam,
+	},
+};
+builtin_platform_driver(clk_mt8365_cam_drv);
+MODULE_LICENSE("GPL");