Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux...
[firefly-linux-kernel-4.4.55.git] / arch / arm / mach-mmp / clock.h
1 /*
2  *  linux/arch/arm/mach-mmp/clock.h
3  *
4  *  This program is free software; you can redistribute it and/or modify
5  *  it under the terms of the GNU General Public License version 2 as
6  *  published by the Free Software Foundation.
7  */
8
9 #include <linux/clkdev.h>
10
11 struct clkops {
12         void                    (*enable)(struct clk *);
13         void                    (*disable)(struct clk *);
14         unsigned long           (*getrate)(struct clk *);
15         int                     (*setrate)(struct clk *, unsigned long);
16 };
17
18 struct clk {
19         const struct clkops     *ops;
20
21         void __iomem    *clk_rst;       /* clock reset control register */
22         int             fnclksel;       /* functional clock select (APBC) */
23         uint32_t        enable_val;     /* value for clock enable (APMU) */
24         unsigned long   rate;
25         int             enabled;
26 };
27
28 extern struct clkops apbc_clk_ops;
29 extern struct clkops apmu_clk_ops;
30
31 #define APBC_CLK(_name, _reg, _fnclksel, _rate)                 \
32 struct clk clk_##_name = {                                      \
33                 .clk_rst        = APBC_##_reg,                  \
34                 .fnclksel       = _fnclksel,                    \
35                 .rate           = _rate,                        \
36                 .ops            = &apbc_clk_ops,                \
37 }
38
39 #define APBC_CLK_OPS(_name, _reg, _fnclksel, _rate, _ops)       \
40 struct clk clk_##_name = {                                      \
41                 .clk_rst        = APBC_##_reg,                  \
42                 .fnclksel       = _fnclksel,                    \
43                 .rate           = _rate,                        \
44                 .ops            = _ops,                         \
45 }
46
47 #define APMU_CLK(_name, _reg, _eval, _rate)                     \
48 struct clk clk_##_name = {                                      \
49                 .clk_rst        = APMU_##_reg,                  \
50                 .enable_val     = _eval,                        \
51                 .rate           = _rate,                        \
52                 .ops            = &apmu_clk_ops,                \
53 }
54
55 #define APMU_CLK_OPS(_name, _reg, _eval, _rate, _ops)           \
56 struct clk clk_##_name = {                                      \
57                 .clk_rst        = APMU_##_reg,                  \
58                 .enable_val     = _eval,                        \
59                 .rate           = _rate,                        \
60                 .ops            = _ops,                         \
61 }
62
63 #define INIT_CLKREG(_clk, _devname, _conname)                   \
64         {                                                       \
65                 .clk            = _clk,                         \
66                 .dev_id         = _devname,                     \
67                 .con_id         = _conname,                     \
68         }
69
70 extern struct clk clk_pxa168_gpio;
71 extern struct clk clk_pxa168_timers;