1/*
 2 *  Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
 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 as published by
 6 * the Free Software Foundation; either version 2 of the License, or
 7 * (at your option) any later version.
 8 *
 9 */
10
11#include <linux/clk-provider.h>
12#include <linux/clkdev.h>
13#include <linux/clk/at91_pmc.h>
14#include <linux/of.h>
15#include <linux/mfd/syscon.h>
16#include <linux/regmap.h>
17
18#include <asm/proc-fns.h>
19
20#include "pmc.h"
21
22int of_at91_get_clk_range(struct device_node *np, const char *propname,
23			  struct clk_range *range)
24{
25	u32 min, max;
26	int ret;
27
28	ret = of_property_read_u32_index(np, propname, 0, &min);
29	if (ret)
30		return ret;
31
32	ret = of_property_read_u32_index(np, propname, 1, &max);
33	if (ret)
34		return ret;
35
36	if (range) {
37		range->min = min;
38		range->max = max;
39	}
40
41	return 0;
42}
43EXPORT_SYMBOL_GPL(of_at91_get_clk_range);