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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/clk/mediatek/clk-mt8188-ccu.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/clk/mediatek/clk-mt8188-ccu.c')
-rw-r--r--drivers/clk/mediatek/clk-mt8188-ccu.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8188-ccu.c b/drivers/clk/mediatek/clk-mt8188-ccu.c
new file mode 100644
index 0000000000..428dcc4818
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8188-ccu.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Garmin Chang <garmin.chang@mediatek.com>
+ */
+
+#include <dt-bindings/clock/mediatek,mt8188-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 ccu_cg_regs = {
+ .set_ofs = 0x4,
+ .clr_ofs = 0x8,
+ .sta_ofs = 0x0,
+};
+
+#define GATE_CCU(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &ccu_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
+
+static const struct mtk_gate ccu_clks[] = {
+ GATE_CCU(CLK_CCU_LARB27, "ccu_larb27", "top_ccu", 0),
+ GATE_CCU(CLK_CCU_AHB, "ccu_ahb", "top_ccu", 1),
+ GATE_CCU(CLK_CCU_CCU0, "ccu_ccu0", "top_ccu", 2),
+};
+
+static const struct mtk_clk_desc ccu_desc = {
+ .clks = ccu_clks,
+ .num_clks = ARRAY_SIZE(ccu_clks),
+};
+
+static const struct of_device_id of_match_clk_mt8188_ccu[] = {
+ { .compatible = "mediatek,mt8188-ccusys", .data = &ccu_desc },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_ccu);
+
+static struct platform_driver clk_mt8188_ccu_drv = {
+ .probe = mtk_clk_simple_probe,
+ .remove_new = mtk_clk_simple_remove,
+ .driver = {
+ .name = "clk-mt8188-ccu",
+ .of_match_table = of_match_clk_mt8188_ccu,
+ },
+};
+
+module_platform_driver(clk_mt8188_ccu_drv);
+MODULE_LICENSE("GPL");