[PATCH v1 2/2] Documentation: devicetree: Add new binding for PSCIv0.2
Christoffer Dall
christoffer.dall at linaro.org
Wed Mar 19 23:03:19 EDT 2014
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 <ashwin.chaugule at linaro.org>
> ---
> 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
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