xref: /openbmc/linux/drivers/clk/at91/pmc.h (revision f220d3eb)
1 /*
2  * drivers/clk/at91/pmc.h
3  *
4  *  Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  */
11 
12 #ifndef __PMC_H_
13 #define __PMC_H_
14 
15 #include <linux/io.h>
16 #include <linux/irqdomain.h>
17 #include <linux/regmap.h>
18 #include <linux/spinlock.h>
19 
20 extern spinlock_t pmc_pcr_lock;
21 
22 struct clk_range {
23 	unsigned long min;
24 	unsigned long max;
25 };
26 
27 #define CLK_RANGE(MIN, MAX) {.min = MIN, .max = MAX,}
28 
29 int of_at91_get_clk_range(struct device_node *np, const char *propname,
30 			  struct clk_range *range);
31 
32 #ifdef CONFIG_PM
33 void pmc_register_id(u8 id);
34 void pmc_register_pck(u8 pck);
35 #else
36 static inline void pmc_register_id(u8 id) {}
37 static inline void pmc_register_pck(u8 pck) {}
38 #endif
39 
40 #endif /* __PMC_H_ */
41