Documentation/devicetree/bindings/gpio/realtek,rtd-gpio.yaml

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
# Copyright 2023 Realtek Semiconductor Corporation
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/realtek,rtd-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Realtek DHC GPIO controller

maintainers:
  - Tzuyi Chang <tychang@realtek.com>

description:
  The GPIO controller is designed for the Realtek DHC (Digital Home Center)
  RTD series SoC family, which are high-definition media processor SoCs.

properties:
  compatible:
    enum:
      - realtek,rtd1295-misc-gpio
      - realtek,rtd1295-iso-gpio
      - realtek,rtd1315e-iso-gpio
      - realtek,rtd1319-iso-gpio
      - realtek,rtd1319d-iso-gpio
      - realtek,rtd1395-iso-gpio
      - realtek,rtd1619-iso-gpio
      - realtek,rtd1619b-iso-gpio

  reg:
    items:
      - description: GPIO controller registers
      - description: GPIO interrupt registers

  interrupts:
    items:
      - description: Interrupt number of the assert GPIO interrupt, which is
                     triggered when there is a rising edge.
      - description: Interrupt number of the deassert GPIO interrupt, which is
                     triggered when there is a falling edge.

  gpio-ranges: true

  gpio-controller: true

  "#gpio-cells":
    const: 2

required:
  - compatible
  - reg
  - interrupts
  - gpio-ranges
  - gpio-controller
  - "#gpio-cells"

additionalProperties: false

examples:
  - |
    gpio@100 {
      compatible = "realtek,rtd1319d-iso-gpio";
      reg = <0x100 0x100>,
            <0x0 0xb0>;
      interrupt-parent = <&iso_irq_mux>;
      interrupts = <19>, <20>;
      gpio-ranges = <&pinctrl 0 0 82>;
      gpio-controller;
      #gpio-cells = <2>;
    };