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@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.
- method : The method of calling the PSCI firmware. Permitted values are: