Documentation/devicetree/bindings/gpio/fsl-imx-gpio.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/gpio/fsl-imx-gpio.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Freescale i.MX/MXC GPIO controller
   8
   9 maintainers:
  10   - Anson Huang <Anson.Huang@nxp.com>
  11
  12 properties:
  13   compatible:
  14     oneOf:
  15       - enum:
  16           - fsl,imx1-gpio
  17           - fsl,imx21-gpio
  18           - fsl,imx31-gpio
  19           - fsl,imx35-gpio
  20           - fsl,imx7d-gpio
  21       - items:
  22           - enum:
  23               - fsl,imx27-gpio
  24           - const: fsl,imx21-gpio
  25       - items:
  26           - const: fsl,imx35-gpio
  27           - const: fsl,imx31-gpio
  28       - items:
  29           - enum:
  30               - fsl,imx25-gpio
  31           - const: fsl,imx35-gpio
  32       - items:
  33           - enum:
  34               - fsl,imx50-gpio
  35               - fsl,imx51-gpio
  36               - fsl,imx53-gpio
  37               - fsl,imx6q-gpio
  38               - fsl,imx6sl-gpio
  39               - fsl,imx6sll-gpio
  40               - fsl,imx6sx-gpio
  41               - fsl,imx6ul-gpio
  42               - fsl,imx7d-gpio
  43               - fsl,imx8dxl-gpio
  44               - fsl,imx8mm-gpio
  45               - fsl,imx8mn-gpio
  46               - fsl,imx8mp-gpio
  47               - fsl,imx8mq-gpio
  48               - fsl,imx8qm-gpio
  49               - fsl,imx8qxp-gpio
  50               - fsl,imxrt1050-gpio
  51               - fsl,imxrt1170-gpio
  52           - const: fsl,imx35-gpio
  53
  54   reg:
  55     maxItems: 1
  56
  57   interrupts:
  58     description: |
  59       Should be the port interrupt shared by all 32 pins, if one number.
  60       If two numbers, the first one is the interrupt shared by low 16 pins
  61       and the second one is for high 16 pins.
  62     minItems: 1
  63     maxItems: 2
  64
  65   interrupt-controller: true
  66
  67   "#interrupt-cells":
  68     const: 2
  69
  70   clocks:
  71     maxItems: 1
  72
  73   "#gpio-cells":
  74     const: 2
  75
  76   gpio-controller: true
  77   gpio-line-names: true
  78   gpio-ranges: true
  79
  80   power-domains:
  81     maxItems: 1
  82
  83 patternProperties:
  84   "^(hog-[0-9]+|.+-hog(-[0-9]+)?)$":
  85     type: object
  86     properties:
  87       gpio-hog: true
  88       gpios: true
  89       input: true
  90       output-high: true
  91       output-low: true
  92       line-name: true
  93
  94     required:
  95       - gpio-hog
  96       - gpios
  97
  98     additionalProperties: false
  99
 100 required:
 101   - compatible
 102   - reg
 103   - interrupts
 104   - interrupt-controller
 105   - "#interrupt-cells"
 106   - "#gpio-cells"
 107   - gpio-controller
 108
 109 additionalProperties: false
 110
 111 examples:
 112   - |
 113     gpio0: gpio@73f84000 {
 114         compatible = "fsl,imx35-gpio";
 115         reg = <0x73f84000 0x4000>;
 116         interrupts = <50 51>;
 117         gpio-controller;
 118         #gpio-cells = <2>;
 119         interrupt-controller;
 120         #interrupt-cells = <2>;
 121     };
 122
 123 ...