xref: /openbmc/linux/drivers/clk/mediatek/clk-gate.h (revision f5005f78)
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>
19 #include <linux/clk.h>
20 #include <linux/clk-provider.h>
21 
22 struct mtk_clk_gate {
23 	struct clk_hw	hw;
24 	struct regmap	*regmap;
25 	int		set_ofs;
26 	int		clr_ofs;
27 	int		sta_ofs;
28 	u8		bit;
29 };
30 
31 static inline struct mtk_clk_gate *to_clk_gate(struct clk_hw *hw)
32 {
33 	return container_of(hw, struct mtk_clk_gate, hw);
34 }
35 
36 extern const struct clk_ops mtk_clk_gate_ops_setclr;
37 extern const struct clk_ops mtk_clk_gate_ops_setclr_inv;
38 
39 struct clk *mtk_clk_register_gate(
40 		const char *name,
41 		const char *parent_name,
42 		struct regmap *regmap,
43 		int set_ofs,
44 		int clr_ofs,
45 		int sta_ofs,
46 		u8 bit,
47 		const struct clk_ops *ops);
48 
49 #endif /* __DRV_CLK_GATE_H */
50