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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2014 MediaTek Inc.
* Author: James Liao <jamesjj.liao@mediatek.com>
*/
#ifndef __DRV_CLK_GATE_H
#define __DRV_CLK_GATE_H
#include <linux/regmap.h>
#include <linux/clk-provider.h>
struct clk;
struct mtk_clk_gate {
struct clk_hw hw;
struct regmap *regmap;
int set_ofs;
int clr_ofs;
int sta_ofs;
u8 bit;
};
static inline struct mtk_clk_gate *to_mtk_clk_gate(struct clk_hw *hw)
{
return container_of(hw, struct mtk_clk_gate, hw);
}
extern const struct clk_ops mtk_clk_gate_ops_setclr;
extern const struct clk_ops mtk_clk_gate_ops_setclr_inv;
extern const struct clk_ops mtk_clk_gate_ops_no_setclr;
extern const struct clk_ops mtk_clk_gate_ops_no_setclr_inv;
struct clk *mtk_clk_register_gate(
const char *name,
const char *parent_name,
struct regmap *regmap,
int set_ofs,
int clr_ofs,
int sta_ofs,
u8 bit,
const struct clk_ops *ops,
unsigned long flags,
struct device *dev);
struct mtk_gate_regs {
u32 sta_ofs;
u32 clr_ofs;
u32 set_ofs;
};
struct mtk_gate {
int id;
const char *name;
const char *parent_name;
const struct mtk_gate_regs *regs;
int shift;
const struct clk_ops *ops;
unsigned long flags;
};
#define GATE_MTK_FLAGS(_id, _name, _parent, _regs, _shift, \
_ops, _flags) { \
.id = _id, \
.name = _name, \
.parent_name = _parent, \
.regs = _regs, \
.shift = _shift, \
.ops = _ops, \
.flags = _flags, \
}
#define GATE_MTK(_id, _name, _parent, _regs, _shift, _ops) \
GATE_MTK_FLAGS(_id, _name, _parent, _regs, _shift, _ops, 0)
int mtk_clk_register_gates(struct device_node *node,
const struct mtk_gate *clks, int num,
struct clk_onecell_data *clk_data);
int mtk_clk_register_gates_with_dev(struct device_node *node,
const struct mtk_gate *clks, int num,
struct clk_onecell_data *clk_data,
struct device *dev);
#endif /* __DRV_CLK_GATE_H */
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