Thread (24 messages) 24 messages, 3 authors, 2014-07-25

[PATCHv3 13/16] cpuidle: mvebu: add Armada 38x support

From: Daniel Lezcano <hidden>
Date: 2014-07-24 09:17:37
Also in: linux-pm

On 07/23/2014 03:00 PM, Thomas Petazzoni wrote:
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 <redacted>
Acked-by: Daniel Lezcano <redacted>
quoted hunk ↗ jump to hunk
---
  drivers/cpuidle/cpuidle-mvebu-v7.c | 29 ++++++++++++++++++++++++++++-
  1 file changed, 28 insertions(+), 1 deletion(-)
diff --git a/drivers/cpuidle/cpuidle-mvebu-v7.c b/drivers/cpuidle/cpuidle-mvebu-v7.c
index d23597f..45371bb 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");

-- 
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