Commit c16788b4 authored by Thomas Petazzoni's avatar Thomas Petazzoni Committed by Jason Cooper
Browse files

cpuidle: mvebu: add Armada 38x support 



This commit adds the list of cpuidle states supported by the Armada
38x SoC in the cpuidle-mvebu-v7 driver, as well as the necessary logic
around it to support this SoC.

Signed-off-by: default avatarThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lkml.kernel.org/r/1406120453-29291-14-git-send-email-thomas.petazzoni@free-electrons.com


Signed-off-by: default avatarJason Cooper <jason@lakedaemon.net>
parent c3c7fe7c

drivers/cpuidle/cpuidle-mvebu-v7.c

+28 −1
Original line number Diff line number Diff line 
/*

 * Marvell Armada 370 and Armada XP SoC cpuidle driver

 * Marvell Armada 370, 38x and XP SoC cpuidle driver

 *

 * Copyright (C) 2014 Marvell

 *
@@ -86,6 +86,21 @@ static struct cpuidle_driver armada370_idle_driver = { 
	.state_count = 2,

};



static struct cpuidle_driver armada38x_idle_driver = {

	.name			= "armada_38x_idle",

	.states[0]		= ARM_CPUIDLE_WFI_STATE,

	.states[1]		= {

		.enter			= mvebu_v7_enter_idle,

		.exit_latency		= 10,

		.power_usage		= 5,

		.target_residency	= 100,

		.flags			= CPUIDLE_FLAG_TIME_VALID,

		.name			= "Idle",

		.desc			= "CPU and SCU power down",

	},

	.state_count = 2,

};



static int mvebu_v7_cpuidle_probe(struct platform_device *pdev)

{

	mvebu_v7_cpu_suspend = pdev->dev.platform_data;
@@ -94,6 +109,8 @@ static int mvebu_v7_cpuidle_probe(struct platform_device *pdev) 
		return cpuidle_register(&armadaxp_idle_driver, NULL);

	else if (!strcmp(pdev->dev.driver->name, "cpuidle-armada-370"))

		return cpuidle_register(&armada370_idle_driver, NULL);

	else if (!strcmp(pdev->dev.driver->name, "cpuidle-armada-38x"))

		return cpuidle_register(&armada38x_idle_driver, NULL);

	else

		return -EINVAL;

}
@@ -118,6 +135,16 @@ static struct platform_driver armada370_cpuidle_plat_driver = { 


module_platform_driver(armada370_cpuidle_plat_driver);



static struct platform_driver armada38x_cpuidle_plat_driver = {

	.driver = {

		.name = "cpuidle-armada-38x",

		.owner = THIS_MODULE,

	},

	.probe = mvebu_v7_cpuidle_probe,

};



module_platform_driver(armada38x_cpuidle_plat_driver);



MODULE_AUTHOR("Gregory CLEMENT <gregory.clement@free-electrons.com>");

MODULE_DESCRIPTION("Marvell EBU v7 cpuidle driver");

MODULE_LICENSE("GPL");