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Diffstat (limited to 'drivers/clk/mediatek/clk-mt8365-apu.c')
-rw-r--r--drivers/clk/mediatek/clk-mt8365-apu.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8365-apu.c b/drivers/clk/mediatek/clk-mt8365-apu.c
new file mode 100644
index 000000000..91ffe89d9
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8365-apu.c
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2022 MediaTek Inc.
+ */
+
+#include <dt-bindings/clock/mediatek,mt8365-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 apu_cg_regs = {
+ .set_ofs = 0x4,
+ .clr_ofs = 0x8,
+ .sta_ofs = 0x0,
+};
+
+#define GATE_APU(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &apu_cg_regs, _shift, \
+ &mtk_clk_gate_ops_setclr)
+
+static const struct mtk_gate apu_clks[] = {
+ GATE_APU(CLK_APU_AHB, "apu_ahb", "ifr_apu_axi", 5),
+ GATE_APU(CLK_APU_EDMA, "apu_edma", "apu_sel", 4),
+ GATE_APU(CLK_APU_IF_CK, "apu_if_ck", "apu_if_sel", 3),
+ GATE_APU(CLK_APU_JTAG, "apu_jtag", "clk26m", 2),
+ GATE_APU(CLK_APU_AXI, "apu_axi", "apu_sel", 1),
+ GATE_APU(CLK_APU_IPU_CK, "apu_ck", "apu_sel", 0),
+};
+
+static const struct mtk_clk_desc apu_desc = {
+ .clks = apu_clks,
+ .num_clks = ARRAY_SIZE(apu_clks),
+};
+
+static const struct of_device_id of_match_clk_mt8365_apu[] = {
+ {
+ .compatible = "mediatek,mt8365-apu",
+ .data = &apu_desc,
+ }, {
+ /* sentinel */
+ }
+};
+
+static struct platform_driver clk_mt8365_apu_drv = {
+ .probe = mtk_clk_simple_probe,
+ .remove = mtk_clk_simple_remove,
+ .driver = {
+ .name = "clk-mt8365-apu",
+ .of_match_table = of_match_clk_mt8365_apu,
+ },
+};
+builtin_platform_driver(clk_mt8365_apu_drv);
+MODULE_LICENSE("GPL");