diff options
Diffstat (limited to 'arch/arm/mach-nomadik/clock.c')
-rw-r--r-- | arch/arm/mach-nomadik/clock.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm/mach-nomadik/clock.c b/arch/arm/mach-nomadik/clock.c new file mode 100644 index 000000000000..9f92502a0083 --- /dev/null +++ b/arch/arm/mach-nomadik/clock.c | |||
@@ -0,0 +1,45 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-nomadik/clock.c | ||
3 | * | ||
4 | * Copyright (C) 2009 Alessandro Rubini | ||
5 | */ | ||
6 | #include <linux/kernel.h> | ||
7 | #include <linux/module.h> | ||
8 | #include <linux/errno.h> | ||
9 | #include <linux/clk.h> | ||
10 | #include <asm/clkdev.h> | ||
11 | #include "clock.h" | ||
12 | |||
13 | /* | ||
14 | * The nomadik board uses generic clocks, but the serial pl011 file | ||
15 | * calls clk_enable(), clk_disable(), clk_get_rate(), so we provide them | ||
16 | */ | ||
17 | unsigned long clk_get_rate(struct clk *clk) | ||
18 | { | ||
19 | return clk->rate; | ||
20 | } | ||
21 | EXPORT_SYMBOL(clk_get_rate); | ||
22 | |||
23 | /* enable and disable do nothing */ | ||
24 | int clk_enable(struct clk *clk) | ||
25 | { | ||
26 | return 0; | ||
27 | } | ||
28 | EXPORT_SYMBOL(clk_enable); | ||
29 | |||
30 | void clk_disable(struct clk *clk) | ||
31 | { | ||
32 | } | ||
33 | EXPORT_SYMBOL(clk_disable); | ||
34 | |||
35 | /* Create a clock structure with the given name */ | ||
36 | int nmdk_clk_create(struct clk *clk, const char *dev_id) | ||
37 | { | ||
38 | struct clk_lookup *clkdev; | ||
39 | |||
40 | clkdev = clkdev_alloc(clk, NULL, dev_id); | ||
41 | if (!clkdev) | ||
42 | return -ENOMEM; | ||
43 | clkdev_add(clkdev); | ||
44 | return 0; | ||
45 | } | ||