Hi Jacopo, On Sat, Jul 6, 2019 at 4:07 PM Jacopo Mondi <jacopo+renesas@xxxxxxxxxx> wrote: > Add device tree bindings documentation for the Renesas R-Car Display > Unit Color Management Module. > > CMM is the image enhancement module available on each R-Car DU video > channel on R-Car Gen2 and Gen3 SoCs (V3H and V3M excluded). > > Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx> > Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> Thanks for your patch! > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/renesas,cmm.txt > @@ -0,0 +1,25 @@ > +* Renesas R-Car Color Management Module (CMM) > + > +Renesas R-Car image enhancement module connected to R-Car DU video channels. > + > +Required properties: > + - compatible: shall be one of: > + - "renesas,rcar-gen3-cmm" > + - "renesas,rcar-gen2-cmm" Why do you think you do not need SoC-specific compatible values? What if you discover a different across the R-Car Gen3 line tomorrow? Does the IP block have a version register? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds