dt-bindings: gpio: wcd934x: Add bindings for gpio

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/gpio/qcom,wcd934x-gpio.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#

title: WCD9340/WCD9341 GPIO controller

maintainers:

  - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

description: |

  Qualcomm Technologies Inc WCD9340/WCD9341 Audio Codec has integrated

  gpio controller to control 5 gpios on the chip.

properties:

  compatible:

    enum:

      - qcom,wcd9340-gpio

      - qcom,wcd9341-gpio

  reg:

    maxItems: 1

  gpio-controller: true

  '#gpio-cells':

    const: 2

required:

  - compatible

  - reg

  - gpio-controller

  - "#gpio-cells"

additionalProperties: false

examples:

  - |

    wcdgpio: gpio@42 {

        compatible = "qcom,wcd9340-gpio";

        reg = <0x042 0x2>;

        gpio-controller;

        #gpio-cells = <2>;

    };

...