[PATCH] arm64: dts: Add idle-states for Juno

[Liviu Dudau]

On Thu, Apr 30, 2015 at 02:57:48PM +0100, Jon Medhurst (Tixy) wrote:
> From: Jon Medhurst <tixy at linaro.org>
> 
> Signed-off-by: Jon Medhurst <tixy at linaro.org>
> ---
> 
> These have been kicking around out of tree for ages, any reason they
> shouldn't be in mainline? Also, was unsure of what to put in commit
> message.

Hi Tixy,

Re: commit message: maybe a note on the firmware version and kernel
version where this has been tested on?

Best regards,
Liviu

> 
>  arch/arm64/boot/dts/arm/juno.dts | 28 ++++++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/arm/juno.dts b/arch/arm64/boot/dts/arm/juno.dts
> index 133ee59..7a9a449 100644
> --- a/arch/arm64/boot/dts/arm/juno.dts
> +++ b/arch/arm64/boot/dts/arm/juno.dts
> @@ -34,12 +34,35 @@
>  		#address-cells = <2>;
>  		#size-cells = <0>;
>  
> +		idle-states {
> +			entry-method = "arm,psci";
> +
> +			CPU_SLEEP_0: cpu-sleep-0 {
> +				compatible = "arm,idle-state";
> +				arm,psci-suspend-param = <0x0010000>;
> +				local-timer-stop;
> +				entry-latency-us = <100>;
> +				exit-latency-us = <250>;
> +				min-residency-us = <2000>;
> +			};
> +
> +			CLUSTER_SLEEP_0: cluster-sleep-0 {
> +				compatible = "arm,idle-state";
> +				arm,psci-suspend-param = <0x1010000>;
> +				local-timer-stop;
> +				entry-latency-us = <800>;
> +				exit-latency-us = <700>;
> +				min-residency-us = <2500>;
> +			};
> +		};
> +
>  		A57_0: cpu at 0 {
>  			compatible = "arm,cortex-a57","arm,armv8";
>  			reg = <0x0 0x0>;
>  			device_type = "cpu";
>  			enable-method = "psci";
>  			next-level-cache = <&A57_L2>;
> +			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
>  		};
>  
>  		A57_1: cpu at 1 {
> @@ -48,6 +71,7 @@
>  			device_type = "cpu";
>  			enable-method = "psci";
>  			next-level-cache = <&A57_L2>;
> +			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
>  		};
>  
>  		A53_0: cpu at 100 {
> @@ -56,6 +80,7 @@
>  			device_type = "cpu";
>  			enable-method = "psci";
>  			next-level-cache = <&A53_L2>;
> +			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
>  		};
>  
>  		A53_1: cpu at 101 {
> @@ -64,6 +89,7 @@
>  			device_type = "cpu";
>  			enable-method = "psci";
>  			next-level-cache = <&A53_L2>;
> +			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
>  		};
>  
>  		A53_2: cpu at 102 {
> @@ -72,6 +98,7 @@
>  			device_type = "cpu";
>  			enable-method = "psci";
>  			next-level-cache = <&A53_L2>;
> +			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
>  		};
>  
>  		A53_3: cpu at 103 {
> @@ -80,6 +107,7 @@
>  			device_type = "cpu";
>  			enable-method = "psci";
>  			next-level-cache = <&A53_L2>;
> +			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
>  		};
>  
>  		A57_L2: l2-cache0 {
> -- 
> 2.1.4
> 
> 
> 

-- 
====================
| I would like to |
| fix the world,  |
| but they're not |
| giving me the   |
 \ source code!  /
  ---------------
    ¯\_(ツ)_/¯