dts/bindings/gpio/nuvoton,nct38xx-gpio.yaml

# Copyright (c) 2021 Nuvoton Technology Corporation.
# SPDX-License-Identifier: Apache-2.0

description: |
    Nuvoton NCT38XX series I2C-based GPIO expander

    Example:
      &i2c0_0 {
        nct3807@70 {
          #address-cells = <1>;
          #size-cells = <0>;
          compatible = "nuvoton,nct38xx-gpio";
          reg = <0x70>;
          label = "NCT3807_0";

          gpio@0 {
            compatible = "nuvoton,nct38xx-gpio-port";
            reg = <0x0>;
            label = "NCT3807_0_GPIO0";
            gpio-controller;
            #gpio-cells = <2>;
            ngpios = <8>;
            pin_mask = <0xff>;
            pinmux_mask = <0xf7>;
          };

          gpio@1 {
            compatible = "nuvoton,nct38xx-gpio-port";
            reg = <0x1>;
            label = "NCT3807_0_GPIO1";
            gpio-controller;
            #gpio-cells = <2>;
            ngpios = <8>;
            pin_mask = <0xff>;
          };
        };

        nct3808_0_P1@71 {
          #address-cells = <1>;
          #size-cells = <0>;
          compatible = "nuvoton,nct38xx-gpio";
          reg = <0x71>;
          label = "NCT3808_0_P1";

          gpio@0 {
            compatible = "nuvoton,nct38xx-gpio-port";
            reg = <0x0>;
            label = "NCT3808_0_P1_GPIO0";
            gpio-controller;
            #gpio-cells = <2>;
            ngpios = <8>;
            pin_mask = <0xdc>;
            pinmux_mask = <0xff>;
          };
        };

        nct3808_0_P2@75 {
          #address-cells = <1>;
          #size-cells = <0>;
          compatible = "nuvoton,nct38xx-gpio";
          reg = <0x75>;
          label = "NCT3808_0_P2";

          gpio@0 {
            compatible = "nuvoton,nct38xx-gpio-port";
            reg = <0x0>;
            label = "NCT3808_0_P2_GPIO0";
            gpio-controller;
            #gpio-cells = <2>;
            ngpios = <8>;
            pin_mask = <0xdc>;
            pinmux_mask = <0xff>;
          };
        };
      };

compatible: "nuvoton,nct38xx-gpio"

include: [i2c-device.yaml]

properties:
    label:
      required: true