On Mon, Mar 28, 2022 at 04:42:59PM -0400, Michael S. Tsirkin wrote: > 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. > Hi Michael, I had a discussion with Krzysztof on the first version of patch. And we've got aligned. Regards, Minghao > > --- > > 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 >
