Re: [PATCH v8 1/2] dt-bindings: phy: qcom: Add CSI2 C-PHY/DPHY schema

[Vijay Kumar Tumati]

Hi Bryan,

On 6/3/2026 2:46 PM, Vijay Kumar Tumati wrote:
> On 6/3/2026 2:18 PM, Bryan O'Donoghue wrote:
> > On 03/06/2026 21:51, Vladimir Zapolskiy wrote:
> > > > Actually, one more thing, Why isn't TITAN TOP GDSC here?>>>> +
> > > If CSIPHYs are true subdevices under the umbrella CAMSS device and well
> > > described as subnodes, then likely none of power domains are needed 
> > > to be
> > > repeatedly described in the children device nodes, since this 
> > > information
> > > can be obtained from the parent device by the driver.
> > >
> > > Technically 'power-domains' property can be safely removed, I believe.
> >
> > The policy is to describe the power-domain dependency fully since DT 
> > describes hardware not software architecture.
> >
> > Also for a very practical reason a sub-devices can probe/run 
> > asynchronously of the parent device being active so in fact we do need 
> > to describe the PDs fully.
> This makes me think. When the PHY devices are made the sub nodes of the 
> top camss node eventually, we can discuss for somethings to be avoided 
> in each child, which we can come to later but for now, you need to add 
> the top AHB clock as well in the PHY node, Bryan.>
Sorry, scratch this comment. You are indeed making PHYs as sub nodes to 
the top CAMSS and not independent nodes like CCI.Just looked at your DTS 
series and realized. I will let the discussion about enumerating TOP 
resources in every child node continue in the other thread. Thanks.>> ---
> > bod
> Thanks,
> Vijay.

Thanks,
Vijay.