On 21/03/2022 19:20, Rob Herring wrote: > On Tue, Mar 15, 2022 at 09:37:23AM +0100, Krzysztof Kozlowski wrote: >> Typical GPIO lines like enable, powerdown, reset or wakeup are not >> documented as common, which leads to new variations of these (e.g. >> pwdn-gpios). Add a common schema which serves also as a documentation >> for preferred naming. >> >> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx> >> --- >> .../bindings/gpio/gpio-consumer-common.yaml | 36 +++++++++++++++++++ >> 1 file changed, 36 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/gpio/gpio-consumer-common.yaml >> >> diff --git a/Documentation/devicetree/bindings/gpio/gpio-consumer-common.yaml b/Documentation/devicetree/bindings/gpio/gpio-consumer-common.yaml >> new file mode 100644 >> index 000000000000..098dc913f9e5 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/gpio/gpio-consumer-common.yaml >> @@ -0,0 +1,36 @@ >> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/gpio/gpio-consumer-common.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: Common GPIO lines >> + >> +maintainers: >> + - Bartosz Golaszewski <brgl@xxxxxxxx> >> + - Linus Walleij <linus.walleij@xxxxxxxxxx> >> + >> +# do not select this schema for GPIO hogs >> +select: >> + properties: >> + gpio-hog: false > > 'select: true' should be sufficient here. > >> + >> +properties: >> + enable-gpios: >> + $ref: /schemas/types.yaml#/definitions/phandle-array > > Perhaps some sort of description on these. > > I think these are always a single line, so 'maxItems: 1'. I assume you meant all other as well (so reset-gpios, powerdown-gpios) - also with maxItems:1. I'll fix it. Best regards, Krzysztof