[PATCHv3 12/16] cpuidle: mvebu: add Armada 370 support
From: Thomas Petazzoni <hidden>
Date: 2014-07-23 13:00:49
Also in:
linux-pm
Subsystem:
cpu idle time management framework, the rest · Maintainers:
"Rafael J. Wysocki", Daniel Lezcano, Linus Torvalds
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 <redacted> --- drivers/cpuidle/cpuidle-mvebu-v7.c | 35 +++++++++++++++++++++++++++++++++-- 1 file changed, 33 insertions(+), 2 deletions(-)
diff --git a/drivers/cpuidle/cpuidle-mvebu-v7.c b/drivers/cpuidle/cpuidle-mvebu-v7.c
index 7252fd8..d23597f 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");
--
2.0.0