[PATCH v6 14/19] clk: mediatek: Add MT8188 vencsys clock support

[Garmin.Chang]

Add MT8188 vencsys clock controllers which provide clock gate
control for video encoder.

Signed-off-by: Garmin.Chang <Garmin.Chang at mediatek.com>
---
 drivers/clk/mediatek/Makefile          |  2 +-
 drivers/clk/mediatek/clk-mt8188-venc.c | 52 ++++++++++++++++++++++++++
 2 files changed, 53 insertions(+), 1 deletion(-)
 create mode 100644 drivers/clk/mediatek/clk-mt8188-venc.c

diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile
index 78885318e026..4e5c15cb93ad 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile
@@ -95,7 +95,7 @@ obj-$(CONFIG_COMMON_CLK_MT8188) += clk-mt8188-apmixedsys.o clk-mt8188-topckgen.o
 				   clk-mt8188-peri_ao.o clk-mt8188-infra_ao.o \
 				   clk-mt8188-cam.o clk-mt8188-ccu.o clk-mt8188-img.o \
 				   clk-mt8188-ipe.o clk-mt8188-mfg.o clk-mt8188-vdec.o \
-				   clk-mt8188-vdo0.o clk-mt8188-vdo1.o
+				   clk-mt8188-vdo0.o clk-mt8188-vdo1.o clk-mt8188-venc.o
 obj-$(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
diff --git a/drivers/clk/mediatek/clk-mt8188-venc.c b/drivers/clk/mediatek/clk-mt8188-venc.c
new file mode 100644
index 000000000000..8bb1384fbd20
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8188-venc.c
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright (c) 2022 MediaTek Inc.
+// Author: Garmin Chang <garmin.chang at mediatek.com>
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+#include <dt-bindings/clock/mediatek,mt8188-clk.h>
+
+#include "clk-gate.h"
+#include "clk-mtk.h"
+
+static const struct mtk_gate_regs venc1_cg_regs = {
+	.set_ofs = 0x4,
+	.clr_ofs = 0x8,
+	.sta_ofs = 0x0,
+};
+
+#define GATE_VENC1(_id, _name, _parent, _shift)			\
+	GATE_MTK(_id, _name, _parent, &venc1_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
+
+static const struct mtk_gate venc1_clks[] = {
+	GATE_VENC1(CLK_VENC1_LARB, "venc1_larb", "top_venc", 0),
+	GATE_VENC1(CLK_VENC1_VENC, "venc1_venc", "top_venc", 4),
+	GATE_VENC1(CLK_VENC1_JPGENC, "venc1_jpgenc", "top_venc", 8),
+	GATE_VENC1(CLK_VENC1_JPGDEC, "venc1_jpgdec", "top_venc", 12),
+	GATE_VENC1(CLK_VENC1_JPGDEC_C1, "venc1_jpgdec_c1", "top_venc", 16),
+	GATE_VENC1(CLK_VENC1_GALS, "venc1_gals", "top_venc", 28),
+	GATE_VENC1(CLK_VENC1_GALS_SRAM, "venc1_gals_sram", "top_venc", 31),
+};
+
+static const struct mtk_clk_desc venc1_desc = {
+	.clks = venc1_clks,
+	.num_clks = ARRAY_SIZE(venc1_clks),
+};
+
+static const struct of_device_id of_match_clk_mt8188_venc1[] = {
+	{ .compatible = "mediatek,mt8188-vencsys", .data = &venc1_desc },
+	{ /* sentinel */ }
+};
+
+static struct platform_driver clk_mt8188_venc1_drv = {
+	.probe = mtk_clk_simple_probe,
+	.remove = mtk_clk_simple_remove,
+	.driver = {
+		.name = "clk-mt8188-venc1",
+		.of_match_table = of_match_clk_mt8188_venc1,
+	},
+};
+
+builtin_platform_driver(clk_mt8188_venc1_drv);
+MODULE_LICENSE("GPL");
-- 
2.18.0