[PATCHv2 13/17] cpuidle: mvebu: add Armada 370 support
From: Thomas Petazzoni <hidden>
Date: 2014-07-09 13:40:17
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 | 18 ++++++++++++++++++ include/linux/mvebu-v7-cpuidle.h | 1 + 2 files changed, 19 insertions(+)
diff --git a/drivers/cpuidle/cpuidle-mvebu-v7.c b/drivers/cpuidle/cpuidle-mvebu-v7.c
index 82c545bb..5de147f 100644
--- a/drivers/cpuidle/cpuidle-mvebu-v7.c
+++ b/drivers/cpuidle/cpuidle-mvebu-v7.c@@ -72,6 +72,22 @@ static struct cpuidle_driver armadaxp_cpuidle_driver = { .state_count = 3, }; +static struct cpuidle_driver armada370_cpuidle_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) { struct cpuidle_driver *drv;
@@ -80,6 +96,8 @@ static int mvebu_v7_cpuidle_probe(struct platform_device *pdev) if (pcpuidle->type == CPUIDLE_ARMADA_XP) drv = &armadaxp_cpuidle_driver; + else if (pcpuidle->type == CPUIDLE_ARMADA_370) + drv = &armada370_cpuidle_driver; else return -EINVAL;
diff --git a/include/linux/mvebu-v7-cpuidle.h b/include/linux/mvebu-v7-cpuidle.h
index 00fde86..6d54ae1 100644
--- a/include/linux/mvebu-v7-cpuidle.h
+++ b/include/linux/mvebu-v7-cpuidle.h@@ -16,6 +16,7 @@ enum mvebu_v7_cpuidle_types { CPUIDLE_ARMADA_XP, + CPUIDLE_ARMADA_370, }; struct mvebu_v7_cpuidle {
--
2.0.0