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path: root/drivers/clk/mediatek/clk-mt6735-vencsys.c
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Diffstat (limited to 'drivers/clk/mediatek/clk-mt6735-vencsys.c')
-rw-r--r--drivers/clk/mediatek/clk-mt6735-vencsys.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt6735-vencsys.c b/drivers/clk/mediatek/clk-mt6735-vencsys.c
new file mode 100644
index 000000000000..8dec7f98492a
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt6735-vencsys.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2022 Yassine Oudjana <y.oudjana@protonmail.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+
+#include "clk-gate.h"
+#include "clk-mtk.h"
+
+#include <dt-bindings/clock/mediatek,mt6735-vencsys.h>
+
+#define VENC_CG_CON 0x00
+#define VENC_CG_SET 0x04
+#define VENC_CG_CLR 0x08
+
+static struct mtk_gate_regs venc_cg_regs = {
+ .set_ofs = VENC_CG_SET,
+ .clr_ofs = VENC_CG_CLR,
+ .sta_ofs = VENC_CG_CON,
+};
+
+static const struct mtk_gate vencsys_gates[] = {
+ GATE_MTK(CLK_VENC_SMI_LARB3, "smi_larb3", "mm_sel", &venc_cg_regs, 0, &mtk_clk_gate_ops_setclr_inv),
+ GATE_MTK(CLK_VENC_VENC, "venc", "mm_sel", &venc_cg_regs, 4, &mtk_clk_gate_ops_setclr_inv),
+ GATE_MTK(CLK_VENC_JPGENC, "jpgenc", "mm_sel", &venc_cg_regs, 8, &mtk_clk_gate_ops_setclr_inv),
+ GATE_MTK(CLK_VENC_JPGDEC, "jpgdec", "mm_sel", &venc_cg_regs, 12, &mtk_clk_gate_ops_setclr_inv),
+};
+
+static const struct mtk_clk_desc vencsys_clks = {
+ .clks = vencsys_gates,
+ .num_clks = ARRAY_SIZE(vencsys_gates),
+};
+
+static const struct of_device_id of_match_mt6735_vencsys[] = {
+ { .compatible = "mediatek,mt6735-vencsys", .data = &vencsys_clks },
+ { /* sentinel */ }
+};
+
+static struct platform_driver clk_mt6735_vencsys = {
+ .probe = mtk_clk_simple_probe,
+ .remove = mtk_clk_simple_remove,
+ .driver = {
+ .name = "clk-mt6735-vencsys",
+ .of_match_table = of_match_mt6735_vencsys,
+ },
+};
+module_platform_driver(clk_mt6735_vencsys);
+
+MODULE_AUTHOR("Yassine Oudjana <y.oudjana@protonmail.com>");
+MODULE_DESCRIPTION("Mediatek MT6735 vencsys clock driver");
+MODULE_LICENSE("GPL");