xref: /freebsd/sys/contrib/device-tree/Bindings/gpio/trivial-gpio.yaml (revision 833e5d42ab135b0238e61c5b3c19b8619677cbfa)

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

title: Trivial 2-cell GPIO controllers

maintainers:
  - Bartosz Golaszewski <brgl@bgdev.pl>

properties:
  compatible:
    oneOf:
      - items:
          - enum:
              - cirrus,ep7312-gpio
          - const: cirrus,ep7209-gpio
      - enum:
          - apm,xgene-gpio
          - cirrus,ep7209-gpio
          - cznic,moxtet-gpio
          - dlg,slg7xl45106
          - fcs,fxl6408
          - gateworks,pld-gpio
          - ibm,ppc4xx-gpio
          - loongson,ls1x-gpio
          - maxim,max77620
          - nintendo,hollywood-gpio
          - nxp,pca9570
          - nxp,pca9571
          - rockchip,rk3328-grf-gpio
          - snps,creg-gpio-hsdk
          - technologic,ts4800-gpio
          - technologic,ts4900-gpio
          - technologic,ts7970-gpio
          - ti,741g125 # for 741G125 (1-bit Input),
          - ti,741g174 # for 741G74 (1-bit Output),
          - ti,742g125 # for 742G125 (2-bit Input),
          - ti,7474    # for 7474 (2-bit Output),
          - ti,74125   # for 74125 (4-bit Input),
          - ti,74175   # for 74175 (4-bit Output),
          - ti,74365   # for 74365 (6-bit Input),
          - ti,74174   # for 74174 (6-bit Output),
          - ti,74244   # for 74244 (8-bit Input),
          - ti,74273   # for 74273 (8-bit Output),
          - ti,741624  # for 741624 (16-bit Input),
          - ti,7416374 # for 7416374 (16-bit Output).
          - ti,lp3943-gpio
          - ti,palmas-gpio
          - ti,tpic2810
          - ti,tps80036-gpio
          - ti,tps65913-gpio
          - ti,tps65914-gpio

  reg:
    maxItems: 1

  '#gpio-cells':
    const: 2

  gpio-controller: true

  gpio-line-names: true

  ngpios: true

  # Don't add more properties

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

required:
  - compatible
  - '#gpio-cells'
  - gpio-controller

allOf:
  - if:
      properties:
        compatible:
          contains:
            enum:
              - maxim,max77620
              - rockchip,rk3328-grf-gpio
              - ti,lp3943-gpio
              - ti,palmas-gpio
              - ti,tps80036-gpio
              - ti,tps65913-gpio
              - ti,tps65914-gpio
    then:
      properties:
        reg: false
    else:
      required:
        - reg

additionalProperties: false

examples:
  - |
    gpio@1701c000 {
        compatible = "apm,xgene-gpio";
        reg = <0x1701c000 0x40>;
        gpio-controller;
        #gpio-cells = <2>;
    };