1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-pllfh.h b/drivers/clk/mediatek/clk-pllfh.h
new file mode 100644
index 000000000000..5f419c2ec01f
--- /dev/null
+++ b/drivers/clk/mediatek/clk-pllfh.h
@@ -0,0 +1,83 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Edward-JW Yang <edward-jw.yang@mediatek.com>
+ */
+
+#ifndef __CLK_PLLFH_H
+#define __CLK_PLLFH_H
+
+#include "clk-pll.h"
+
+struct fh_pll_state {
+	void __iomem *base;
+	u32 fh_enable;
+	u32 ssc_rate;
+};
+
+struct fh_pll_data {
+	int pll_id;
+	int fh_id;
+	int fh_ver;
+	u32 fhx_offset;
+	u32 dds_mask;
+	u32 slope0_value;
+	u32 slope1_value;
+	u32 sfstrx_en;
+	u32 frddsx_en;
+	u32 fhctlx_en;
+	u32 tgl_org;
+	u32 dvfs_tri;
+	u32 pcwchg;
+	u32 dt_val;
+	u32 df_val;
+	u32 updnlmt_shft;
+	u32 msk_frddsx_dys;
+	u32 msk_frddsx_dts;
+};
+
+struct mtk_pllfh_data {
+	struct fh_pll_state state;
+	const struct fh_pll_data data;
+};
+
+struct fh_pll_regs {
+	void __iomem *reg_hp_en;
+	void __iomem *reg_clk_con;
+	void __iomem *reg_rst_con;
+	void __iomem *reg_slope0;
+	void __iomem *reg_slope1;
+	void __iomem *reg_cfg;
+	void __iomem *reg_updnlmt;
+	void __iomem *reg_dds;
+	void __iomem *reg_dvfs;
+	void __iomem *reg_mon;
+};
+
+struct mtk_fh {
+	struct mtk_clk_pll clk_pll;
+	struct fh_pll_regs regs;
+	struct mtk_pllfh_data *pllfh_data;
+	const struct fh_operation *ops;
+	spinlock_t *lock;
+};
+
+struct fh_operation {
+	int (*hopping)(struct mtk_fh *fh, unsigned int new_dds,
+		       unsigned int postdiv);
+	int (*ssc_enable)(struct mtk_fh *fh, u32 rate);
+};
+
+int mtk_clk_register_pllfhs(struct device_node *node,
+			    const struct mtk_pll_data *plls, int num_plls,
+			    struct mtk_pllfh_data *pllfhs, int num_pllfhs,
+			    struct clk_hw_onecell_data *clk_data);
+
+void mtk_clk_unregister_pllfhs(const struct mtk_pll_data *plls, int num_plls,
+			       struct mtk_pllfh_data *pllfhs, int num_fhs,
+			       struct clk_hw_onecell_data *clk_data);
+
+void fhctl_parse_dt(const u8 *compatible_node, struct mtk_pllfh_data *pllfhs,
+		    int num_pllfhs);
+
+#endif /* __CLK_PLLFH_H */