summaryrefslogtreecommitdiff
path: root/drivers/cpuidle
diff options
context:
space:
mode:
authorThomas Petazzoni <thomas.petazzoni@free-electrons.com>2014-07-23 17:00:49 +0400
committerJason Cooper <jason@lakedaemon.net>2014-07-24 15:47:20 +0400
commitc3c7fe7ce0d8a3ef55ebb88f3b24e074735845dd (patch)
tree40fe9570c822e474f0a1c0d093755fb583437ab5 /drivers/cpuidle
parentf50ee824713863016dd684fe43c9eb472963f4fd (diff)
downloadlinux-c3c7fe7ce0d8a3ef55ebb88f3b24e074735845dd.tar.xz
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')
-rw-r--r--drivers/cpuidle/cpuidle-mvebu-v7.c35
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");