On Fri, Apr 17, 2020 at 4:09 PM Geert Uytterhoeven
<geert+renesas@xxxxxxxxx> wrote:
> Convert the Renesas Pin Function Controller (PFC) Device Tree binding
> documentation to json-schema.
>
> Document missing properties.
> Drop deprecated and obsolete #gpio-range-cells property.
> Update the example to match reality.
> Drop consumer examples, as they do not belong here.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> ---
> How to describe that pin configuration nodes can have subnodes?
> E.g.
>
> arch/arm/boot/dts/sh73a0-kzm9g.dt.yaml: pin-controller@e6050000: mmc: Additional properties are not allowed ('cfg', 'mux' were unexpected)
>
> Dropping "additionalProperties: false" from the patternProperties
> section gets rid of these warnings, but of course it would be better if
> the subnodes would be validated, too.
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/renesas,pfc.yaml
> +patternProperties:
> + "^.*$":
> + if:
> + type: object
> + then:
> + allOf:
> + - $ref: pincfg-node.yaml#
> + - $ref: pinmux-node.yaml#
> + description:
> + Pinctrl node's client devices use subnodes for desired pin
> + configuration.
> + Client device subnodes use below standard properties.
> +
> + properties:
> + phandle: true
> + pins: true
> + groups: true
> + function: true
> + bias-disable: true
> + bias-pull-down: true
> + bias-pull-up: true
> + drive-strength:
> + enum: [ 3, 6, 9, 12, 15, 18, 21, 24 ] # Superset of supported values
> + power-source:
> + enum: [ 1800, 3300 ]
> + gpio-hog: true
> + gpios: true
> + output-high: true
> + output-low: true
The above list lacks the "input" property. Will add.
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
