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path: root/drivers/clk/mediatek/clk-mt2701-vdec.c
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Diffstat (limited to 'drivers/clk/mediatek/clk-mt2701-vdec.c')
-rw-r--r--drivers/clk/mediatek/clk-mt2701-vdec.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt2701-vdec.c b/drivers/clk/mediatek/clk-mt2701-vdec.c
new file mode 100644
index 000000000..0f07c5d73
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt2701-vdec.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: Shunli Wang <shunli.wang@mediatek.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+#include <dt-bindings/clock/mt2701-clk.h>
+
+static const struct mtk_gate_regs vdec0_cg_regs = {
+ .set_ofs = 0x0000,
+ .clr_ofs = 0x0004,
+ .sta_ofs = 0x0000,
+};
+
+static const struct mtk_gate_regs vdec1_cg_regs = {
+ .set_ofs = 0x0008,
+ .clr_ofs = 0x000c,
+ .sta_ofs = 0x0008,
+};
+
+#define GATE_VDEC0(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
+
+#define GATE_VDEC1(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
+
+static const struct mtk_gate vdec_clks[] = {
+ GATE_VDEC0(CLK_VDEC_CKGEN, "vdec_cken", "vdec_sel", 0),
+ GATE_VDEC1(CLK_VDEC_LARB, "vdec_larb_cken", "mm_sel", 0),
+};
+
+static const struct mtk_clk_desc vdec_desc = {
+ .clks = vdec_clks,
+ .num_clks = ARRAY_SIZE(vdec_clks),
+};
+
+static const struct of_device_id of_match_clk_mt2701_vdec[] = {
+ {
+ .compatible = "mediatek,mt2701-vdecsys",
+ .data = &vdec_desc,
+ }, {
+ /* sentinel */
+ }
+};
+
+static struct platform_driver clk_mt2701_vdec_drv = {
+ .probe = mtk_clk_simple_probe,
+ .remove = mtk_clk_simple_remove,
+ .driver = {
+ .name = "clk-mt2701-vdec",
+ .of_match_table = of_match_clk_mt2701_vdec,
+ },
+};
+
+builtin_platform_driver(clk_mt2701_vdec_drv);