Subject: [PATCH v1 2/2] Documentation: devicetree: Add new binding for PSCIv0.2

From: [email-masked] (Christoffer Dall)
Date: Wed, 19 Mar 2014 20:03:19 -0700

On Wed, Mar 19, 2014 at 08:54:25PM -0400, Ashwin Chaugule wrote:
> The PSCI v0.2+ spec defines static values for PSCI function IDs.
> Add a new binding entry so that pre v0.2 implementations can
> use DT entries for function IDs and v0.2+ implementations use
> static entries as defined by the PSCIv0.2 specification.
> 
> Signed-off-by: Ashwin Chaugule <[email-masked]>
> ---
>  Documentation/devicetree/bindings/arm/psci.txt | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/arm/psci.txt b/Documentation/devicetree/bindings/arm/psci.txt
> index 433afe9..a808284 100644
> --- a/Documentation/devicetree/bindings/arm/psci.txt
> +++ b/Documentation/devicetree/bindings/arm/psci.txt
> @@ -21,7 +21,11 @@ to #0.
>  
>  Main node required properties:
>  
> - - compatible    : Must be "arm,psci"
> + - compatible    : "arm,psci" : pre PSCIv0.2 spec implementations use this
> +                   to get the function IDs from DT entries.
> +
> +                   "arm,psci-0.2": PSCIv0.2+ spec implementations use static
> +                   values for function IDs as defined in the spec.

Maybe specify that in this case no function IDs are passed in the device
tree?

-Christoffer