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