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cpuidle: mvebu: add Armada 370 support

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

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lkml.kernel.org/r/1406120453-29291-13-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This commit is contained in:
Thomas Petazzoni 2014-07-23 15:00:49 +02:00 committed by Jason Cooper
parent f50ee82471
commit c3c7fe7ce0
1 changed files with 33 additions and 2 deletions
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35
drivers/cpuidle/cpuidle-mvebu-v7.c
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@ -70,11 +70,32 @@ static struct cpuidle_driver armadaxp_idle_driver = {
.state_count = 3,
};
static struct cpuidle_driver armada370_idle_driver = {
.name = "armada_370_idle",
.states[0] = ARM_CPUIDLE_WFI_STATE,
.states[1] = {
.enter = mvebu_v7_enter_idle,
.exit_latency = 100,
.power_usage = 5,
.target_residency = 1000,
.flags = (CPUIDLE_FLAG_TIME_VALID |
MVEBU_V7_FLAG_DEEP_IDLE),
.name = "Deep Idle",
.desc = "CPU and L2 Fabric power down",
},
.state_count = 2,
};
static int mvebu_v7_cpuidle_probe(struct platform_device *pdev)
{
mvebu_v7_cpu_suspend = pdev->dev.platform_data;
return cpuidle_register(&armadaxp_idle_driver, NULL);
if (!strcmp(pdev->dev.driver->name, "cpuidle-armada-xp"))
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
return -EINVAL;
}
static struct platform_driver armadaxp_cpuidle_plat_driver = {
@ -87,6 +108,16 @@ static struct platform_driver armadaxp_cpuidle_plat_driver = {
module_platform_driver(armadaxp_cpuidle_plat_driver);
static struct platform_driver armada370_cpuidle_plat_driver = {
.driver = {
.name = "cpuidle-armada-370",
.owner = THIS_MODULE,
},
.probe = mvebu_v7_cpuidle_probe,
};
module_platform_driver(armada370_cpuidle_plat_driver);
MODULE_AUTHOR("Gregory CLEMENT <gregory.clement@free-electrons.com>");
MODULE_DESCRIPTION("Marvell EBU v7 cpuidle driver");
MODULE_LICENSE("GPL");