[mirror_ubuntu-jammy-kernel.git] / drivers / clk / mediatek / clk-gate.h

/*
 * Copyright (c) 2014 MediaTek Inc.
 * Author: James Liao <jamesjj.liao@mediatek.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#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);

#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)

#endif /* __DRV_CLK_GATE_H */
Commit	Line	Data
9741b1a6 JL	1	/*
	2	* Copyright (c) 2014 MediaTek Inc.
	3	* Author: James Liao <jamesjj.liao@mediatek.com>
	4	*
	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License version 2 as
	7	* published by the Free Software Foundation.
	8	*
	9	* This program is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
	13	*/
	14
	15	#ifndef __DRV_CLK_GATE_H
	16	#define __DRV_CLK_GATE_H
	17
	18	#include <linux/regmap.h>
9741b1a6 JL	19	#include <linux/clk-provider.h>
9741b1a6 JL	20
c726639b SB	21	struct clk;
c726639b SB	22
9741b1a6 JL	23	struct mtk_clk_gate {
	24	struct clk_hw hw;
	25	struct regmap *regmap;
	26	int set_ofs;
	27	int clr_ofs;
	28	int sta_ofs;
	29	u8 bit;
	30	};
	31
5fd9c05c	32	static inline struct mtk_clk_gate to_mtk_clk_gate(struct clk_hw hw)
9741b1a6 JL	33	{
	34	return container_of(hw, struct mtk_clk_gate, hw);
	35	}
	36
	37	extern const struct clk_ops mtk_clk_gate_ops_setclr;
	38	extern const struct clk_ops mtk_clk_gate_ops_setclr_inv;
e9862118 SW	39	extern const struct clk_ops mtk_clk_gate_ops_no_setclr;
e9862118 SW	40	extern const struct clk_ops mtk_clk_gate_ops_no_setclr_inv;
9741b1a6 JL	41
	42	struct clk *mtk_clk_register_gate(
	43	const char *name,
	44	const char *parent_name,
	45	struct regmap *regmap,
	46	int set_ofs,
	47	int clr_ofs,
	48	int sta_ofs,
	49	u8 bit,
5a1cc4c2 JM	50	const struct clk_ops *ops,
5a1cc4c2 JM	51	unsigned long flags);
9741b1a6	52
acddfc2c WL	53	#define GATE_MTK_FLAGS(_id, _name, _parent, _regs, _shift, \
	54	_ops, _flags) { \
	55	.id = _id, \
	56	.name = _name, \
	57	.parent_name = _parent, \
	58	.regs = _regs, \
	59	.shift = _shift, \
	60	.ops = _ops, \
	61	.flags = _flags, \
	62	}
	63
	64	#define GATE_MTK(_id, _name, _parent, _regs, _shift, _ops) \
	65	GATE_MTK_FLAGS(_id, _name, _parent, _regs, _shift, _ops, 0)
	66
9741b1a6	67	#endif /* __DRV_CLK_GATE_H */