Re: [RFC 3/3] arm64: dts: qcom: sa8775p-ride: Enable support for firmware managed resources

[Sriram Dash]

On 3/5/2024 10:38 PM, Krzysztof Kozlowski wrote:
> On 05/03/2024 17:57, Sriram Dash wrote:
> > Establish the channel and domain mapping for the power domains to connect
> > with firmware, enabling the firmware to handle the assigned resources.
> > Since these delegated resources will remain invisible to the operating
> > system, ensure that any references to them are removed.
> >
> > Signed-off-by: Sriram Dash <quic_sriramd@xxxxxxxxxxx>
> > ---
> >   arch/arm64/boot/dts/qcom/sa8775p-ride.dts | 96 +++++++++++++++++++++++++------
> >   1 file changed, 77 insertions(+), 19 deletions(-)
>
> Do not mix DTS patches with submissions to netdev or USB.
>
> Please put it inside your internal guides, so you will not be repeating
> this over and over.

Sure. Will take care. Thanks.

> > diff --git a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
> > index 26ad05b..b6c9cac 100644
> > --- a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
> > +++ b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
> > @@ -764,8 +764,18 @@
> >   };
> >   
> >   &usb_0 {
> > -	pinctrl-names = "default";
> > -	pinctrl-0 = <&usb0_en_state>;
> > +	/delete-property/ clocks;
> > +	/delete-property/ clock-names;
> > +	/delete-property/ assigned-clocks;
> > +	/delete-property/ assigned-clock-rates;
> > +	/delete-property/ required-opps;
> > +	/delete-property/ resets;
> > +	/delete-property/ interconnects;
> > +	/delete-property/ interconnect-names;
> > +
> > +	power-domains = <TODO>, <TODO>;
>
> This wasn't even tested.

This is tested with the specific power domains in place
of <TODO>. SCMI interface is used for the power domains.

> Best regards,
> Krzysztof