linux-arkmicro/linux/drivers/clk/sprd/gate.h

// SPDX-License-Identifier: GPL-2.0
//
// Spreadtrum gate clock driver
//
// Copyright (C) 2017 Spreadtrum, Inc.
// Author: Chunyan Zhang <chunyan.zhang@spreadtrum.com>

#ifndef _SPRD_GATE_H_
#define _SPRD_GATE_H_

#include "common.h"

struct sprd_gate {
	u32			enable_mask;
	u16			flags;
	u16			sc_offset;

	struct sprd_clk_common	common;
};

#define SPRD_SC_GATE_CLK_OPS(_struct, _name, _parent, _reg, _sc_offset,	\
			     _enable_mask, _flags, _gate_flags, _ops)	\
	struct sprd_gate _struct = {					\
		.enable_mask	= _enable_mask,				\
		.sc_offset	= _sc_offset,				\
		.flags		= _gate_flags,				\
		.common	= {						\
			.regmap		= NULL,				\
			.reg		= _reg,				\
			.hw.init	= CLK_HW_INIT(_name,		\
						      _parent,		\
						      _ops,		\
						      _flags),		\
		}							\
	}

#define SPRD_GATE_CLK(_struct, _name, _parent, _reg,			\
		      _enable_mask, _flags, _gate_flags)		\
	SPRD_SC_GATE_CLK_OPS(_struct, _name, _parent, _reg, 0,		\
			     _enable_mask, _flags, _gate_flags,		\
			     &sprd_gate_ops)

#define SPRD_SC_GATE_CLK(_struct, _name, _parent, _reg, _sc_offset,	\
			 _enable_mask, _flags, _gate_flags)		\
	SPRD_SC_GATE_CLK_OPS(_struct, _name, _parent, _reg, _sc_offset,	\
			     _enable_mask, _flags, _gate_flags,		\
			     &sprd_sc_gate_ops)

static inline struct sprd_gate *hw_to_sprd_gate(const struct clk_hw *hw)
{
	struct sprd_clk_common *common = hw_to_sprd_clk_common(hw);

	return container_of(common, struct sprd_gate, common);
}

extern const struct clk_ops sprd_gate_ops;
extern const struct clk_ops sprd_sc_gate_ops;

#endif /* _SPRD_GATE_H_ */