Hi Krzysztof, On Fri, Dec 2, 2022 at 10:01 AM Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> wrote: > On 02/12/2022 09:22, Geert Uytterhoeven wrote: > > According to the bindings, only two channels are supported. > > However, R-Car V3U supports eight, leading to "make dtbs" failures: > > > > arch/arm64/boot/dts/renesas/r8a779a0-falcon.dtb: can@e6660000: Unevaluated properties are not allowed ('channel2', 'channel3', 'channel4', 'channel5', 'channel6', 'channel7' were unexpected) > > > > Update the number of channels to 8 on R-Car V3U. > > While at it, prevent adding more properties to the channel nodes, as > > they must contain no other properties than a status property. > > > > Fixes: d6254d52d70de530 ("dt-bindings: can: renesas,rcar-canfd: Document r8a779a0 support") > > Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> > > --- a/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml > > +++ b/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml > > description: Maximum frequency of the CANFD clock. > > > > patternProperties: > > - "^channel[01]$": > > + "^channel[0-7]$": > > type: object > > description: > > - The controller supports two channels and each is represented as a child > > - node. Each child node supports the "status" property only, which > > + The controller supports multiple channels and each is represented as a > > + child node. Each child node supports the "status" property only, which > > is used to enable/disable the respective channel. > > > > + unevaluatedProperties: false > > There are no other properties within a channel, so this should be rather > additionalProperties: false. Are you sure? Then I also have to add: properties: status: true Thanks! 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