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   - Shawn Guo <shawnguo@kernel.org>
  11   - Sascha Hauer <s.hauer@pengutronix.de>
  12   - Fabio Estevam <festevam@gmail.com>
  13
  14 properties:
  15   compatible:
  16     oneOf:
  17       - enum:
  18           - fsl,imx1-gpio
  19           - fsl,imx21-gpio
  20           - fsl,imx31-gpio
  21           - fsl,imx35-gpio
  22           - fsl,imx7d-gpio
  23       - items:
  24           - enum:
  25               - fsl,imx27-gpio
  26           - const: fsl,imx21-gpio
  27       - items:
  28           - const: fsl,imx35-gpio
  29           - const: fsl,imx31-gpio
  30       - items:
  31           - enum:
  32               - fsl,imx25-gpio
  33           - const: fsl,imx35-gpio
  34       - items:
  35           - enum:
  36               - fsl,imx50-gpio
  37               - fsl,imx51-gpio
  38               - fsl,imx53-gpio
  39               - fsl,imx6q-gpio
  40               - fsl,imx6sl-gpio
  41               - fsl,imx6sll-gpio
  42               - fsl,imx6sx-gpio
  43               - fsl,imx6ul-gpio
  44               - fsl,imx7d-gpio
  45               - fsl,imx8dxl-gpio
  46               - fsl,imx8mm-gpio
  47               - fsl,imx8mn-gpio
  48               - fsl,imx8mp-gpio
  49               - fsl,imx8mq-gpio
  50               - fsl,imx8qm-gpio
  51               - fsl,imx8qxp-gpio
  52               - fsl,imxrt1050-gpio
  53               - fsl,imxrt1170-gpio
  54           - const: fsl,imx35-gpio
  55
  56   reg:
  57     maxItems: 1
  58
  59   interrupts:
  60     description: |
  61       Should be the port interrupt shared by all 32 pins, if one number.
  62       If two numbers, the first one is the interrupt shared by low 16 pins
  63       and the second one is for high 16 pins.
  64     minItems: 1
  65     maxItems: 2
  66
  67   interrupt-controller: true
  68
  69   "#interrupt-cells":
  70     const: 2
  71
  72   clocks:
  73     maxItems: 1
  74
  75   "#gpio-cells":
  76     const: 2
  77
  78   gpio-controller: true
  79   gpio-line-names: true
  80   gpio-ranges: true
  81
  82   power-domains:
  83     maxItems: 1
  84
  85 patternProperties:
  86   "^(hog-[0-9]+|.+-hog(-[0-9]+)?)$":
  87     type: object
  88     required:
  89       - gpio-hog
  90
  91 required:
  92   - compatible
  93   - reg
  94   - interrupts
  95   - interrupt-controller
  96   - "#interrupt-cells"
  97   - "#gpio-cells"
  98   - gpio-controller
  99
 100 additionalProperties: false
 101
 102 examples:
 103   - |
 104     gpio0: gpio@73f84000 {
 105         compatible = "fsl,imx35-gpio";
 106         reg = <0x73f84000 0x4000>;
 107         interrupts = <50 51>;
 108         gpio-controller;
 109         #gpio-cells = <2>;
 110         interrupt-controller;
 111         #interrupt-cells = <2>;
 112     };
 113
 114 ...