| 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 | |
| 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 | |
| 31 | int __init imx5_cpuidle_init(void) |
| 32 | { |
| 33 | return cpuidle_register(drv: &imx5_cpuidle_driver, NULL); |
| 34 | } |
| 35 | |