Hi Alvaro, On Tue, 2021-02-23 at 18:00 +0100, Álvaro Fernández Rojas wrote: > Some devices may need to perform a reset before using the RNG, such as the > BCM6368. > > Signed-off-by: Álvaro Fernández Rojas <nolt...@gmail.com> > --- > v3: make resets required if brcm,bcm6368-rng. > v2: document reset support. > > .../devicetree/bindings/rng/brcm,bcm2835.yaml | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml > b/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml > index c147900f9041..11c23e1f6988 100644 > --- a/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml > +++ b/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml > @@ -37,6 +37,21 @@ required: > > > additionalProperties: false
I can't claim I fully understand all the meta stuff in shemas, so I generally
just follow the patterns already available out there. That said, shoudln't this
be at the end, just before the examples? Maybe the cause of that odd warning
you got there?
> +if:
> + properties:
> + compatible:
> + enum:
> + - brcm,bcm6368-rng
> +then:
> + properties:
> + resets:
> + maxItems: 1
> + required:
> + - resets
I belive you can't really make a property required when the bindings for
'brcm,bcm6368-rng' were already defined. This will break the schema for those
otherwise correct devicetrees.
> +else:
> + properties:
> + resets: false
> +
> examples:
> - |
> rng@7e104000 {
> @@ -58,4 +73,6 @@ examples:
>
>
> clocks = <&periph_clk 18>;
> clock-names = "ipsec";
> +
> + resets = <&periph_rst 4>;
> };
Regards,
Nicolas
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