1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * Copyright 2016 NXP Semiconductors
 4 */
 5
 6#include <linux/kernel.h>
 7#include <linux/suspend.h>
 8#include <linux/io.h>
 9
10static int imx25_suspend_enter(suspend_state_t state)
11{
12	if (!IS_ENABLED(CONFIG_PM))
13		return 0;
14
15	switch (state) {
16	case PM_SUSPEND_MEM:
17		cpu_do_idle();
18		break;
19	default:
20		return -EINVAL;
21	}
22
23	return 0;
24}
25
26static const struct platform_suspend_ops imx25_suspend_ops = {
27	.enter = imx25_suspend_enter,
28	.valid = suspend_valid_only_mem,
29};
30
31void __init imx25_pm_init(void)
32{
33	suspend_set_ops(&imx25_suspend_ops);
34}