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path: root/drivers/clk/mediatek/clk-mt8186-wpe.c
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Diffstat (limited to 'drivers/clk/mediatek/clk-mt8186-wpe.c')
-rw-r--r--drivers/clk/mediatek/clk-mt8186-wpe.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8186-wpe.c b/drivers/clk/mediatek/clk-mt8186-wpe.c
new file mode 100644
index 000000000000..8db3e9178a1e
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8186-wpe.c
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright (c) 2022 MediaTek Inc.
+// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+#include <dt-bindings/clock/mt8186-clk.h>
+
+#include "clk-gate.h"
+#include "clk-mtk.h"
+
+static const struct mtk_gate_regs wpe_cg_regs = {
+ .set_ofs = 0x0,
+ .clr_ofs = 0x0,
+ .sta_ofs = 0x0,
+};
+
+#define GATE_WPE(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &wpe_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
+
+static const struct mtk_gate wpe_clks[] = {
+ GATE_WPE(CLK_WPE_CK_EN, "wpe", "top_wpe", 17),
+ GATE_WPE(CLK_WPE_SMI_LARB8_CK_EN, "wpe_smi_larb8", "top_wpe", 19),
+ GATE_WPE(CLK_WPE_SYS_EVENT_TX_CK_EN, "wpe_sys_event_tx", "top_wpe", 20),
+ GATE_WPE(CLK_WPE_SMI_LARB8_PCLK_EN, "wpe_smi_larb8_p_en", "top_wpe", 25),
+};
+
+static const struct mtk_clk_desc wpe_desc = {
+ .clks = wpe_clks,
+ .num_clks = ARRAY_SIZE(wpe_clks),
+};
+
+static const struct of_device_id of_match_clk_mt8186_wpe[] = {
+ {
+ .compatible = "mediatek,mt8186-wpesys",
+ .data = &wpe_desc,
+ }, {
+ /* sentinel */
+ }
+};
+
+static struct platform_driver clk_mt8186_wpe_drv = {
+ .probe = mtk_clk_simple_probe,
+ .remove = mtk_clk_simple_remove,
+ .driver = {
+ .name = "clk-mt8186-wpe",
+ .of_match_table = of_match_clk_mt8186_wpe,
+ },
+};
+builtin_platform_driver(clk_mt8186_wpe_drv);