[PATCHv3 12/16] cpuidle: mvebu: add Armada 370 support

[Daniel Lezcano]

On 07/23/2014 03:00 PM, Thomas Petazzoni wrote:
> 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 at free-electrons.com>

Acked-by: Daniel Lezcano <daniel.lezcano at linaro.org>

> ---
>   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 at free-electrons.com>");
>   MODULE_DESCRIPTION("Marvell EBU v7 cpuidle driver");
>   MODULE_LICENSE("GPL");
>


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