> >> I am okay if it is reasonable below in file
> >> arch/arm64/boot/dts/amlogic/meson-g12a.dtsi. I2c controller node just uses
> >> axg's compatible.
> >>
> >> i2c0: i2c@1f000 {
> >> compatible = "amlogic,meson-axg-i2c";
> >
> > Actually, you should have
> >
> > compatible = "amlogic,meson-g12a-i2c", "amlogic,meson-axg-i2c";
> >
> > in the DT to have support for future SoC specific additions. And then,
> > patch 1 is needed.
> >
> > Or do you handle this differently? I'd think this is DT standard.
>
> It's a DT standard *if* there are actual hardware differences. In this
> case, the IP block is identical, so there are no driver changes.
>
> We prefer to add a new compatible if and when there are actual
> driver/hardware changes.
OK, fine with me. I just hope for you guys that there really is no
change in the IP block, otherwise you need to update DTs later.
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