On 14-07-21, 23:07, Arnd Bergmann wrote:
> On Wed, Jul 14, 2021 at 5:43 PM Rob Herring wrote:
> > I guess it comes down to is 'virtio,mmio' providing a bus or is it
> > just a device? I guess a bus (so 2 nodes) does make sense here.
> > 'virtio,mmio' defines how you access/discover the virtio
On 14-07-21, 07:56, Viresh Kumar wrote:
> I agree that even if the device is discoverable at runtime, we should
> still have some sort of stuff in DT to distinguish the devices, and
> "virtio,deviceDID" sounds good enough for that, considering that we
> already do it for USB, etc.
>
> And I am
On Tue, Jul 13, 2021 at 10:34:03PM +0200, Arnd Bergmann wrote:
> > > Is it going to be a problem if two devices in kernel use the same
> > > of_node ?
> >
> > There shouldn't be. We have nodes be multiple providers (e.g clocks
> > and resets) already.
>
> I think this would be a little different,
On 13-07-21, 14:32, Arnd Bergmann wrote:
> On Tue, Jul 13, 2021 at 12:51 PM Viresh Kumar wrote:
>
> > +
> > +virtio@3200 {
> > +compatible = "virtio,mmio";
> > +reg = <0x3200 0x100>;
> > +interrupts = <43>;
> > +
> > +#address-cells = <1>;
> > +
On 13-07-21, 22:34, Arnd Bergmann wrote:
> On Tue, Jul 13, 2021 at 9:35 PM Rob Herring wrote:
> > There shouldn't be. We have nodes be multiple providers (e.g clocks
> > and resets) already.
>
> I think this would be a little different, but it can still work. There is in
> fact already some
On 13-07-21, 13:34, Rob Herring wrote:
> On Tue, Jul 13, 2021 at 9:19 AM Viresh Kumar wrote:
> > We already do this for linux-event-codes.h and so I thought it is the
> > right way of doing it :)
>
> Humm, maybe it's okay. Please double check then...
>
> > Else we can create a new copy, which
On 13-07-21, 08:43, Rob Herring wrote:
> On Tue, Jul 13, 2021 at 4:50 AM Viresh Kumar wrote:
> >
> > Allow virtio,mmio nodes to contain device specific subnodes. Since each
> > virtio,mmio node can represent a single virtio device, each virtio node
> > is allowed to contain a maximum of one
Allow virtio,mmio nodes to contain device specific subnodes. Since each
virtio,mmio node can represent a single virtio device, each virtio node
is allowed to contain a maximum of one device specific subnode.
The device subnode must have the "reg" property, and its value must
match the virtio
