Documentation/devicetree/bindings/gpio/pin-control-gpio.yaml

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/pin-control-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Pin control based generic GPIO controller

description:
  The pin control-based GPIO will facilitate a pin controller's ability
  to drive electric lines high/low and other generic properties of a
  pin controller to perform general-purpose one-bit binary I/O.

maintainers:
  - Dan Carpenter <dan.carpenter@linaro.org>

properties:
  compatible:
    const: scmi-pinctrl-gpio

  gpio-controller: true

  "#gpio-cells":
    const: 2

  gpio-line-names: true

  gpio-ranges: true

  ngpios: true

patternProperties:
  "^.+-hog(-[0-9]+)?$":
    type: object

    required:
      - gpio-hog

required:
  - compatible
  - gpio-controller
  - "#gpio-cells"
  - gpio-ranges
  - ngpios

additionalProperties: false

examples:
  - |
    gpio {
        compatible = "scmi-pinctrl-gpio";
        gpio-controller;
        #gpio-cells = <2>;
        ngpios = <4>;
        gpio-line-names = "gpio_5_17", "gpio_5_20", "gpio_5_22", "gpio_2_1";
        gpio-ranges = <&scmi_pinctrl 0 30 4>;
        pinctrl-names = "default";
        pinctrl-0 = <&keys_pins>;
    };