blob: 9f92502a0083120b93829429456c9905a9c284d8 [file] [log] [blame]
Alessandro Rubini28ad94e2009-07-02 19:06:47 +01001/*
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 */
17unsigned long clk_get_rate(struct clk *clk)
18{
19 return clk->rate;
20}
21EXPORT_SYMBOL(clk_get_rate);
22
23/* enable and disable do nothing */
24int clk_enable(struct clk *clk)
25{
26 return 0;
27}
28EXPORT_SYMBOL(clk_enable);
29
30void clk_disable(struct clk *clk)
31{
32}
33EXPORT_SYMBOL(clk_disable);
34
35/* Create a clock structure with the given name */
36int 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}