linux/drivers/clk/mediatek/clk-gate.h
Weiyi Lu e4c23e19aa clk: mediatek: Register clock gate with device
Allow those clocks under a power domain to do the runtime pm operation
by forwarding the struct device pointer from clock provider.

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Link: https://lkml.kernel.org/r/1567414859-3244-2-git-send-email-weiyi.lu@mediatek.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2019-09-17 10:22:49 -07:00

61 lines
1.4 KiB
C

/* 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);
#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 */