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