1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (C) 2012 Freescale Semiconductor, Inc.
4  */
5 
6 #include <linux/cpuidle.h>
7 #include <linux/module.h>
8 #include <asm/system_misc.h>
9 #include "cpuidle.h"
10 
imx5_cpuidle_enter(struct cpuidle_device * dev,struct cpuidle_driver * drv,int index)11 static __cpuidle int imx5_cpuidle_enter(struct cpuidle_device *dev,
12 					struct cpuidle_driver *drv, int index)
13 {
14 	arm_pm_idle();
15 	return index;
16 }
17 
18 static struct cpuidle_driver imx5_cpuidle_driver = {
19 	.name             = "imx5_cpuidle",
20 	.owner            = THIS_MODULE,
21 	.states[0] = {
22 		.enter            = imx5_cpuidle_enter,
23 		.exit_latency     = 2,
24 		.target_residency = 1,
25 		.name             = "IMX5 SRPG",
26 		.desc             = "CPU state retained,powered off",
27 	},
28 	.state_count = 1,
29 };
30 
imx5_cpuidle_init(void)31 int __init imx5_cpuidle_init(void)
32 {
33 	return cpuidle_register(&imx5_cpuidle_driver, NULL);
34 }
35