RE: [PATCH] ARM: dts: add DT for lan966x SoC and 2-port board pcb8291

From: Kavyasree.Kotagiri
Date: Tue Jan 04 2022 - 00:20:38 EST


> On 1/3/22 2:48 PM, Kavyasree Kotagiri wrote:
> > diff --git a/arch/arm/boot/dts/lan966x_pcb8291.dts
> b/arch/arm/boot/dts/lan966x_pcb8291.dts
> > new file mode 100644
> > index 000000000000..cd0454a795e7
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/lan966x_pcb8291.dts
> > @@ -0,0 +1,55 @@
>
> > +&flx3 {
> > + atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
> > + status = "okay";
> > +
> > + usart0: serial@200 {
> > + compatible = "atmel,at91sam9260-usart";
>
> The flexcom usart mode should be defined in the dtsi file, so that you
> won't duplicate the definition in each dts that includes the dtsi file.
>
defining flexcom mode in dts as flx3 can be used as USART/I2C/SPI on different boards.
And it is not the same mode for all boards.

> Cheers,
> ta