1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/*
* Copyright 2012 Freescale Semiconductor, Inc.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#ifndef __MXS_CLK_H
#define __MXS_CLK_H
struct clk;
#include <linux/clk-provider.h>
#include <linux/spinlock.h>
#define SET 0x4
#define CLR 0x8
extern spinlock_t mxs_lock;
int mxs_clk_wait(void __iomem *reg, u8 shift);
struct clk *mxs_clk_pll(const char *name, const char *parent_name,
void __iomem *base, u8 power, unsigned long rate);
struct clk *mxs_clk_ref(const char *name, const char *parent_name,
void __iomem *reg, u8 idx);
struct clk *mxs_clk_div(const char *name, const char *parent_name,
void __iomem *reg, u8 shift, u8 width, u8 busy);
struct clk *mxs_clk_frac(const char *name, const char *parent_name,
void __iomem *reg, u8 shift, u8 width, u8 busy);
static inline struct clk *mxs_clk_fixed(const char *name, int rate)
{
return clk_register_fixed_rate(NULL, name, NULL, 0, rate);
}
static inline struct clk *mxs_clk_gate(const char *name,
const char *parent_name, void __iomem *reg, u8 shift)
{
return clk_register_gate(NULL, name, parent_name, CLK_SET_RATE_PARENT,
reg, shift, CLK_GATE_SET_TO_DISABLE,
&mxs_lock);
}
static inline struct clk *mxs_clk_mux(const char *name, void __iomem *reg,
u8 shift, u8 width, const char *const *parent_names, int num_parents)
{
return clk_register_mux(NULL, name, parent_names, num_parents,
CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
reg, shift, width, 0, &mxs_lock);
}
static inline struct clk *mxs_clk_fixed_factor(const char *name,
const char *parent_name, unsigned int mult, unsigned int div)
{
return clk_register_fixed_factor(NULL, name, parent_name,
CLK_SET_RATE_PARENT, mult, div);
}
#endif /* __MXS_CLK_H */
|
