OpenCloudOS-Kernel/drivers/clk/mediatek/clk-pll.h

58 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2014 MediaTek Inc.
* Author: James Liao <jamesjj.liao@mediatek.com>
*/
#ifndef __DRV_CLK_MTK_PLL_H
#define __DRV_CLK_MTK_PLL_H
#include <linux/types.h>
struct clk_ops;
struct clk_onecell_data;
struct device_node;
struct mtk_pll_div_table {
u32 div;
unsigned long freq;
};
#define HAVE_RST_BAR BIT(0)
#define PLL_AO BIT(1)
struct mtk_pll_data {
int id;
const char *name;
u32 reg;
u32 pwr_reg;
u32 en_mask;
u32 pd_reg;
u32 tuner_reg;
u32 tuner_en_reg;
u8 tuner_en_bit;
int pd_shift;
unsigned int flags;
const struct clk_ops *ops;
u32 rst_bar_mask;
unsigned long fmin;
unsigned long fmax;
int pcwbits;
int pcwibits;
u32 pcw_reg;
int pcw_shift;
u32 pcw_chg_reg;
const struct mtk_pll_div_table *div_table;
const char *parent_name;
u32 en_reg;
u8 pll_en_bit; /* Assume 0, indicates BIT(0) by default */
};
int mtk_clk_register_plls(struct device_node *node,
const struct mtk_pll_data *plls, int num_plls,
struct clk_onecell_data *clk_data);
void mtk_clk_unregister_plls(const struct mtk_pll_data *plls, int num_plls,
struct clk_onecell_data *clk_data);
#endif /* __DRV_CLK_MTK_PLL_H */