Hi Lakshmi, On Wed, Dec 1, 2021 at 8:26 AM <lakshmi.sowjanya.d@xxxxxxxxx> wrote: > +patternProperties: > + '^gpio@[0-9a-f]*$': > + type: object > + > + description: > + Child nodes can be specified to contain pin configuration information, > + which can then be utilized by pinctrl client devices. > + The following properties are supported. > + > + properties: > + pins: > + description: | > + The name(s) of the pins to be configured in the child node. > + Supported pin names are "GPIO0" up to "GPIO66". > + > + bias-disable: true > + > + bias-pull-down: true > + > + bias-pull-up: true > + > + drive-strength: > + description: Drive strength for the pad. > + enum: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15] > + > + bias-bus-hold: > + type: boolean > + > + input-schmitt-enable: > + type: boolean > + > + slew-rate: > + description: GPIO slew rate control. > + 0 - Slow > + 1 - Fast > + enum: [0, 1] > + > +additionalProperties: false Can't you reference Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml here? Look at for example: Documentation/devicetree/bindings/pinctrl/actions,s500-pinctrl.yaml Yours, Linus Walleij
