1 /*
2  * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com>
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #ifndef __CLK_UNIPHIER_H__
8 #define __CLK_UNIPHIER_H__
9 
10 #include <linux/kernel.h>
11 
12 struct uniphier_clk_gate_data {
13 	int index;
14 	unsigned int reg;
15 	u32 mask;
16 	u32 data;
17 };
18 
19 struct uniphier_clk_rate_data {
20 	int index;
21 	unsigned int reg;
22 #define UNIPHIER_CLK_RATE_IS_FIXED		UINT_MAX
23 	u32 mask;
24 	u32 data;
25 	unsigned long rate;
26 };
27 
28 struct uniphier_clk_soc_data {
29 	struct uniphier_clk_gate_data *gate;
30 	unsigned int nr_gate;
31 	struct uniphier_clk_rate_data *rate;
32 	unsigned int nr_rate;
33 };
34 
35 #define UNIPHIER_CLK_FIXED_RATE(i, f)			\
36 	{						\
37 		.index = i,				\
38 		.reg = UNIPHIER_CLK_RATE_IS_FIXED,	\
39 		.rate = f,				\
40 	}
41 
42 /**
43  * struct uniphier_clk_priv - private data for UniPhier clock driver
44  *
45  * @base: base address of the clock provider
46  * @socdata: SoC specific data
47  */
48 struct uniphier_clk_priv {
49 	void __iomem *base;
50 	struct uniphier_clk_soc_data *socdata;
51 };
52 
53 extern const struct clk_ops uniphier_clk_ops;
54 int uniphier_clk_probe(struct udevice *dev);
55 int uniphier_clk_remove(struct udevice *dev);
56 
57 #endif /* __CLK_UNIPHIER_H__ */
58