Re: [PATCH] arm64: dts: qcom: qdu1000: Add reserved gpio list

[Komal Bajaj]

On 7/4/2023 4:38 PM, Konrad Dybcio wrote:
> On 4.07.2023 12:22, Komal Bajaj wrote:
> > Add reserved gpio list for QDU1000 and QRU1000 SoCs
> > which will not be used by HLOS.
> >
> > Signed-off-by: Komal Bajaj <quic_kbajaj@xxxxxxxxxxx>
> > ---
> Generally such changes to board files are split into per-board
> commits.

Sure, will split into per-board commits.

> Can you explain why these GPIOs will be inaccessible? Some secure
> I2C peripheral, I'd guess?

These GPIOs are needed by Modem subsystem.

Thanks
Komal

> Konrad
> >   arch/arm64/boot/dts/qcom/qdu1000-idp.dts | 4 ++++
> >   arch/arm64/boot/dts/qcom/qru1000-idp.dts | 4 ++++
> >   2 files changed, 8 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/qdu1000-idp.dts b/arch/arm64/boot/dts/qcom/qdu1000-idp.dts
> > index 1d22f87fd238..0496e87ddfd5 100644
> > --- a/arch/arm64/boot/dts/qcom/qdu1000-idp.dts
> > +++ b/arch/arm64/boot/dts/qcom/qdu1000-idp.dts
> > @@ -471,6 +471,10 @@ &sdhc {
> >   	status = "okay";
> >   };
> >   
> > +&tlmm {
> > +	gpio-reserved-ranges = <28 2>;
> > +};
> > +
> >   &uart7 {
> >   	status = "okay";
> >   };
> > diff --git a/arch/arm64/boot/dts/qcom/qru1000-idp.dts b/arch/arm64/boot/dts/qcom/qru1000-idp.dts
> > index 2cc893ae4d10..80dadd2f30a3 100644
> > --- a/arch/arm64/boot/dts/qcom/qru1000-idp.dts
> > +++ b/arch/arm64/boot/dts/qcom/qru1000-idp.dts
> > @@ -448,6 +448,10 @@ &qupv3_id_0 {
> >   	status = "okay";
> >   };
> >   
> > +&tlmm {
> > +	gpio-reserved-ranges = <28 2>;
> > +};
> > +
> >   &uart7 {
> >   	status = "okay";
> >   };