trivial-gpio.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/gpio/trivial-gpio.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Trivial 2-cell GPIO controllers
  8
  9maintainers:
 10  - Bartosz Golaszewski <brgl@bgdev.pl>
 11
 12properties:
 13  compatible:
 14    oneOf:
 15      - items:
 16          - enum:
 17              - cirrus,ep7312-gpio
 18          - const: cirrus,ep7209-gpio
 19      - enum:
 20          - apm,xgene-gpio
 21          - cirrus,ep7209-gpio
 22          - cznic,moxtet-gpio
 23          - dlg,slg7xl45106
 24          - fcs,fxl6408
 25          - fsl,ls1046aqds-fpga-gpio-stat-pres2
 26          - fsl,lx2160ardb-fpga-gpio-sfp
 27          - gateworks,pld-gpio
 28          - ibm,ppc4xx-gpio
 29          - loongson,ls1x-gpio
 30          - maxim,max77620
 31          - nintendo,hollywood-gpio
 32          - nxp,pca9570
 33          - nxp,pca9571
 34          - rockchip,rk3328-grf-gpio
 35          - snps,creg-gpio-hsdk
 36          - technologic,ts4800-gpio
 37          - technologic,ts4900-gpio
 38          - technologic,ts7970-gpio
 39          - ti,741g125 # for 741G125 (1-bit Input),
 40          - ti,741g174 # for 741G74 (1-bit Output),
 41          - ti,742g125 # for 742G125 (2-bit Input),
 42          - ti,7474    # for 7474 (2-bit Output),
 43          - ti,74125   # for 74125 (4-bit Input),
 44          - ti,74175   # for 74175 (4-bit Output),
 45          - ti,74365   # for 74365 (6-bit Input),
 46          - ti,74174   # for 74174 (6-bit Output),
 47          - ti,74244   # for 74244 (8-bit Input),
 48          - ti,74273   # for 74273 (8-bit Output),
 49          - ti,741624  # for 741624 (16-bit Input),
 50          - ti,7416374 # for 7416374 (16-bit Output).
 51          - ti,lp3943-gpio
 52          - ti,palmas-gpio
 53          - ti,tpic2810
 54          - ti,tps80036-gpio
 55          - ti,tps65913-gpio
 56          - ti,tps65914-gpio
 57
 58  reg:
 59    maxItems: 1
 60
 61  '#gpio-cells':
 62    const: 2
 63
 64  gpio-controller: true
 65
 66  gpio-line-names: true
 67
 68  ngpios: true
 69
 70  # Don't add more properties
 71
 72patternProperties:
 73  "^(hog-[0-9]+|.+-hog(-[0-9]+)?)$":
 74    type: object
 75    required:
 76      - gpio-hog
 77
 78required:
 79  - compatible
 80  - '#gpio-cells'
 81  - gpio-controller
 82
 83allOf:
 84  - if:
 85      properties:
 86        compatible:
 87          contains:
 88            enum:
 89              - maxim,max77620
 90              - rockchip,rk3328-grf-gpio
 91              - ti,lp3943-gpio
 92              - ti,palmas-gpio
 93              - ti,tps80036-gpio
 94              - ti,tps65913-gpio
 95              - ti,tps65914-gpio
 96    then:
 97      properties:
 98        reg: false
 99    else:
100      required:
101        - reg
102
103additionalProperties: false
104
105examples:
106  - |
107    gpio@1701c000 {
108        compatible = "apm,xgene-gpio";
109        reg = <0x1701c000 0x40>;
110        gpio-controller;
111        #gpio-cells = <2>;
112    };