Re: [PATCH v2] arm64: dts: qcom: shikra-evk: Add GPIO expanders

[Komal Bajaj]

On 9/30/2026 3:22 PM, Konrad Dybcio wrote:
> On 9/29/26 10:35 AM, Komal Bajaj wrote:
> > Add the EVK GPIO expander definitions on the I2C3 bus. Describe the
> > TCA9538 and TCA9539 expanders used by EVK boards.
> >
> > Co-developed-by: Faruque Ansari <faruque.ansari@xxxxxxxxxxxxxxxx>
> > Signed-off-by: Faruque Ansari <faruque.ansari@xxxxxxxxxxxxxxxx>
> > Signed-off-by: Komal Bajaj <komal.bajaj@xxxxxxxxxxxxxxxx>
> > ---
> [...]
>
> > +&i2c3 {
> > +	status = "okay";
> > +
> > +	expander0: pca953x@38 {
> > +		compatible = "ti,tca9538";
> > +		reg = <0x38>;
> > +		#gpio-cells = <2>;
> > +		gpio-controller;
> > +	};
> Please keep the nodes sorted by their unit address

Ack. I will do it next revision.

Thanks
Komal

> Konrad
>   > +
> > +	expander1: pca953x@3c {
> > +		compatible = "ti,tca9538";
> > +		reg = <0x3c>;
> > +		#gpio-cells = <2>;
> > +		gpio-controller;
> > +	};
> > +
> > +	expander2: pca953x@20 {
> > +		compatible = "ti,tca9539";
> > +		reg = <0x20>;
> > +		#gpio-cells = <2>;
> > +		gpio-controller;
> > +	};
> > +
> > +	expander3: pca953x@21 {
> > +		compatible = "ti,tca9539";
> > +		reg = <0x21>;
> > +		#gpio-cells = <2>;
> > +		gpio-controller;
> > +	};
> > +};
> > +
> >   &qupv3_0 {
> >   	firmware-name = "qcom/shikra/qupv3fw.elf";
> >   
> >
> > ---
> > base-commit: 6375e61c01e93e35ee7acd336a689ac1fae4b509
> > change-id: 20260924-shikra-gpio-expander-25ff4a29c848
> >
> > Best regards,