[deliverable/linux.git] / arch / arm / mach-shmobile / cpufreq.c

/*
 * CPUFreq support code for SH-Mobile ARM
 *
 *  Copyright (C) 2014 Gaku Inami
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 */

#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>

int __init shmobile_cpufreq_init(void)
{
	struct device_node *np;

	np = of_cpu_device_node_get(0);
	if (np == NULL) {
		pr_err("failed to find cpu0 node\n");
		return 0;
	}

	if (of_get_property(np, "operating-points", NULL))
		platform_device_register_simple("cpufreq-cpu0", -1, NULL, 0);

	of_node_put(np);

	return 0;
}
Commit	Line	Data
06e32c91 GI	1	/*
	2	* CPUFreq support code for SH-Mobile ARM
	3	*
	4	* Copyright (C) 2014 Gaku Inami
	5	*
	6	* This file is subject to the terms and conditions of the GNU General Public
	7	* License. See the file "COPYING" in the main directory of this archive
	8	* for more details.
	9	*/
	10
	11	#include <linux/of.h>
	12	#include <linux/of_device.h>
	13	#include <linux/platform_device.h>
	14
	15	int __init shmobile_cpufreq_init(void)
	16	{
	17	struct device_node *np;
	18
	19	np = of_cpu_device_node_get(0);
	20	if (np == NULL) {
	21	pr_err("failed to find cpu0 node\n");
	22	return 0;
	23	}
	24
	25	if (of_get_property(np, "operating-points", NULL))
	26	platform_device_register_simple("cpufreq-cpu0", -1, NULL, 0);
	27
	28	of_node_put(np);
	29
	30	return 0;
	31	}