On Fri, Mar 25, 2022 at 09:59:45AM +0800, Minghao Xue wrote: > Some systems want to set the interrupt of virtio_mmio device > as a wakeup source. On such systems, we'll use the existence > of the "wakeup-source" property as a signal of requirement. > > Signed-off-by: Minghao Xue <quic_mingxue@xxxxxxxxxxx> I don't have enough of a clue about dt to review this. Pls get some acks from people with DT expertise. > --- > v1 -> v2: rename property from "virtio,wakeup" to "wakeup-source" > > Documentation/devicetree/bindings/virtio/mmio.yaml | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/virtio/mmio.yaml b/Documentation/devicetree/bindings/virtio/mmio.yaml > index 4b7a027..160b21b 100644 > --- a/Documentation/devicetree/bindings/virtio/mmio.yaml > +++ b/Documentation/devicetree/bindings/virtio/mmio.yaml > @@ -31,6 +31,10 @@ properties: > description: Required for devices making accesses thru an IOMMU. > maxItems: 1 > > + wakeup-source: > + type: boolean > + description: Required for setting irq of a virtio_mmio device as wakeup source. > + > required: > - compatible > - reg > -- > 2.7.4
