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