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| author | Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | 2014-07-23 15:00:50 +0200 |
|---|---|---|
| committer | Jason Cooper <jason@lakedaemon.net> | 2014-07-24 11:47:29 +0000 |
| commit | c16788b431d708afb73ffdd41fd8a16ab11bf89e (patch) | |
| tree | 7e90eb467167cb64b02121287e154eb2f9ec83a5 /drivers/cpuidle | |
| parent | c3c7fe7ce0d8a3ef55ebb88f3b24e074735845dd (diff) | |
| download | linux-c16788b431d708afb73ffdd41fd8a16ab11bf89e.tar.gz | |
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: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Acked-by: Daniel 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: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'drivers/cpuidle')
| -rw-r--r-- | drivers/cpuidle/cpuidle-mvebu-v7.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/drivers/cpuidle/cpuidle-mvebu-v7.c b/drivers/cpuidle/cpuidle-mvebu-v7.c index d23597f25093..45371bb16214 100644 --- a/drivers/cpuidle/cpuidle-mvebu-v7.c +++ b/drivers/cpuidle/cpuidle-mvebu-v7.c @@ -1,5 +1,5 @@ /* - * 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"); |