Re: [PATCH v11 25/27] ARM: dts: aspeed: yosemite4: add RTQ6056 support

From: Andrew Jeffery
Date: Mon Jul 29 2024 - 23:56:46 EST


On Mon, 2024-07-29 at 17:03 -0500, Patrick Williams wrote:
> On Tue, Jul 23, 2024 at 05:23:06PM +0800, Delphine CC Chiu wrote:
> > Add RTQ6056 (spider board 3rd source) support in yosemite4 DTS.
> >
> > Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@xxxxxxxxxx>
> > ---
> > .../boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts | 10 +++++-----
> > 1 file changed, 5 insertions(+), 5 deletions(-)
> >
> > diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> > index f73719b3c2f1..03a1e41312e3 100644
> > --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> > +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> > @@ -1240,35 +1240,35 @@ adc@37 {
> > };
> >
> > power-sensor@40 {
> > - compatible = "ti,ina233";
> > + compatible = "ti,ina233", "richtek,rtq6056";
>
> Is this legal to have two chips both listed as compatible? I thought
> this approach has been rejected before.

It depends on the circumstances. Does one have a superset of the
functionality of the other?

https://github.com/devicetree-org/devicetree-specification/blob/main/source/chapter2-devicetree-basics.rst#compatible

Andrew