On Thu, Apr 21, 2022 at 03:36:55PM -0500, Dave Gerlach wrote: > Add documentation for the lpm region which tells the ti-sci driver where > to load the FS Stub low power mode firmware and also the > ti,lpm-firmware-name which tells the driver which binary to load. Both > of these are optional for normal system operation but required to > enabled suspend-to-mem usage of Deep Sleep state. > > Signed-off-by: Dave Gerlach <d-gerlach@xxxxxx> > --- > .../bindings/arm/keystone/ti,sci.yaml | 21 +++++++++++++++---- > 1 file changed, 17 insertions(+), 4 deletions(-) > > diff --git a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml > index ec88aa88a2a0..31c783507cd0 100644 > --- a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml > +++ b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml > @@ -42,12 +42,19 @@ properties: > - const: ti,am654-sci > > reg-names: > - description: | > - Specifies the debug messages memory mapped region that is optionally > - made available from TI-SCI controller. > - const: debug_messages > + items: > + - const: debug_messages > + - const: lpm > + minItems: 1 > > reg: > + items: > + - description: | > + Specifies the debug messages memory mapped region that is optionally > + made available from TI-SCI controller. > + - description: | > + Specifies the lpm memory mapped region where the FS Stub low power > + firmware is to be loaded. > minItems: 1 > > mbox-names: > @@ -92,6 +99,12 @@ properties: > type: object > $ref: /schemas/reset/ti,sci-reset.yaml# > > + ti,lpm-firmware-name: firmware-name > + description: | > + Name of binary of FS Stub low power firmware located on the > + firmware search path. > + $ref: /schemas/types.yaml#/definitions/string > + > required: > - compatible > - mbox-names > -- > 2.35.0 > >
