ARM: mxs: add initial pm support

obj-y := clock.o devices.o gpio.o icoll.o iomux.o system.o timer.o

obj-$(CONFIG_MXS_OCOTP) += ocotp.o

obj-$(CONFIG_PM) += pm.o

obj-$(CONFIG_SOC_IMX23) += clock-mx23.o mm-mx23.o

obj-$(CONFIG_SOC_IMX28) += clock-mx28.o mm-mx28.o

/*

 * Copyright (C) 2010 Freescale Semiconductor, Inc.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 */

#include <linux/kernel.h>

#include <linux/suspend.h>

#include <linux/io.h>

#include <mach/system.h>

static int mxs_suspend_enter(suspend_state_t state)

{

	switch (state) {

	case PM_SUSPEND_MEM:

		arch_idle();

		break;

	default:

		return -EINVAL;

	}

	return 0;

}

static struct platform_suspend_ops mxs_suspend_ops = {

	.enter = mxs_suspend_enter,

	.valid = suspend_valid_only_mem,

};

static int __init mxs_pm_init(void)

{

	suspend_set_ops(&mxs_suspend_ops);

	return 0;

}

device_initcall(mxs_pm_init);