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path: root/drivers/clk/mediatek/clk-mt8192-img.c
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Diffstat (limited to 'drivers/clk/mediatek/clk-mt8192-img.c')
-rw-r--r--drivers/clk/mediatek/clk-mt8192-img.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8192-img.c b/drivers/clk/mediatek/clk-mt8192-img.c
new file mode 100644
index 000000000000..7ce3abe42577
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8192-img.c
@@ -0,0 +1,70 @@
+// 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/of_device.h>
+#include <linux/platform_device.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+#include <dt-bindings/clock/mt8192-clk.h>
+
+static const struct mtk_gate_regs img_cg_regs = {
+ .set_ofs = 0x4,
+ .clr_ofs = 0x8,
+ .sta_ofs = 0x0,
+};
+
+#define GATE_IMG(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
+
+static const struct mtk_gate img_clks[] = {
+ GATE_IMG(CLK_IMG_LARB9, "img_larb9", "img1_sel", 0),
+ GATE_IMG(CLK_IMG_LARB10, "img_larb10", "img1_sel", 1),
+ GATE_IMG(CLK_IMG_DIP, "img_dip", "img1_sel", 2),
+ GATE_IMG(CLK_IMG_GALS, "img_gals", "img1_sel", 12),
+};
+
+static const struct mtk_gate img2_clks[] = {
+ GATE_IMG(CLK_IMG2_LARB11, "img2_larb11", "img1_sel", 0),
+ GATE_IMG(CLK_IMG2_LARB12, "img2_larb12", "img1_sel", 1),
+ GATE_IMG(CLK_IMG2_MFB, "img2_mfb", "img1_sel", 6),
+ GATE_IMG(CLK_IMG2_WPE, "img2_wpe", "img1_sel", 7),
+ GATE_IMG(CLK_IMG2_MSS, "img2_mss", "img1_sel", 8),
+ GATE_IMG(CLK_IMG2_GALS, "img2_gals", "img1_sel", 12),
+};
+
+static const struct mtk_clk_desc img_desc = {
+ .clks = img_clks,
+ .num_clks = ARRAY_SIZE(img_clks),
+};
+
+static const struct mtk_clk_desc img2_desc = {
+ .clks = img2_clks,
+ .num_clks = ARRAY_SIZE(img2_clks),
+};
+
+static const struct of_device_id of_match_clk_mt8192_img[] = {
+ {
+ .compatible = "mediatek,mt8192-imgsys",
+ .data = &img_desc,
+ }, {
+ .compatible = "mediatek,mt8192-imgsys2",
+ .data = &img2_desc,
+ }, {
+ /* sentinel */
+ }
+};
+
+static struct platform_driver clk_mt8192_img_drv = {
+ .probe = mtk_clk_simple_probe,
+ .driver = {
+ .name = "clk-mt8192-img",
+ .of_match_table = of_match_clk_mt8192_img,
+ },
+};
+
+builtin_platform_driver(clk_mt8192_img_drv);