Hi Tóth, Thank you for the patch. On Mon, Feb 17, 2025 at 02:07:52PM +0100, Tóth János via B4 Relay wrote: > From: Tóth János <gomba007@xxxxxxxxx> > > Add the necessary documentation for PCF8574T. > > Signed-off-by: Tóth János <gomba007@xxxxxxxxx> > --- > Documentation/devicetree/bindings/gpio/nxp,pcf8575.yaml | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/Documentation/devicetree/bindings/gpio/nxp,pcf8575.yaml b/Documentation/devicetree/bindings/gpio/nxp,pcf8575.yaml > index 3718103e966a..cbe4cf96e942 100644 > --- a/Documentation/devicetree/bindings/gpio/nxp,pcf8575.yaml > +++ b/Documentation/devicetree/bindings/gpio/nxp,pcf8575.yaml > @@ -34,6 +34,7 @@ properties: > - nxp,pca9675 > - nxp,pcf8574 > - nxp,pcf8574a > + - nxp,pcf8574t Judging from patch 2/2, the PCF8574T is compatible with the PCF8574, the only difference being the package. It makes no difference from a software point of view. It seems you can simply use nxp,pcf8574 as a compatible string in your device tree for the PCF8574T, and this patch series isn't needed. > - nxp,pcf8575 > > reg: -- Regards, Laurent Pinchart
