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| author | Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | 2014-07-23 15:00:49 +0200 |
|---|---|---|
| committer | Jason Cooper <jason@lakedaemon.net> | 2014-07-24 11:47:20 +0000 |
| commit | c3c7fe7ce0d8a3ef55ebb88f3b24e074735845dd (patch) | |
| tree | 40fe9570c822e474f0a1c0d093755fb583437ab5 /drivers/cpuidle/cpuidle-mvebu-v7.c | |
| parent | f50ee824713863016dd684fe43c9eb472963f4fd (diff) | |
| download | lwn-c3c7fe7ce0d8a3ef55ebb88f3b24e074735845dd.tar.gz lwn-c3c7fe7ce0d8a3ef55ebb88f3b24e074735845dd.zip | |
cpuidle: mvebu: add Armada 370 support
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>
Diffstat (limited to 'drivers/cpuidle/cpuidle-mvebu-v7.c')
| -rw-r--r-- | drivers/cpuidle/cpuidle-mvebu-v7.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/drivers/cpuidle/cpuidle-mvebu-v7.c b/drivers/cpuidle/cpuidle-mvebu-v7.c index 7252fd8e4ef3..d23597f25093 100644 --- a/drivers/cpuidle/cpuidle-mvebu-v7.c +++ b/drivers/cpuidle/cpuidle-mvebu-v7.c @@ -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"); |