Documentation/devicetree/bindings/gpio/st,nomadik-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/st,nomadik-gpio.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Nomadik GPIO controller
   8
   9 description:
  10   The Nomadik GPIO driver handles Nomadik SoC GPIO blocks. This block has also
  11   been called ST STA2X11. On the Nomadik platform, this driver is intertwined
  12   with pinctrl-nomadik.
  13
  14 maintainers:
  15   - Linus Walleij <linus.walleij@linaro.org>
  16
  17 properties:
  18   $nodename:
  19     pattern: "^gpio@[0-9a-f]+$"
  20
  21   compatible:
  22     enum:
  23       - st,nomadik-gpio
  24       - mobileye,eyeq5-gpio
  25
  26   reg:
  27     maxItems: 1
  28
  29   interrupts:
  30     maxItems: 1
  31
  32   "#gpio-cells":
  33     const: 2
  34
  35   gpio-controller: true
  36
  37   interrupt-controller: true
  38
  39   "#interrupt-cells":
  40     const: 2
  41
  42   gpio-bank:
  43     description: System-wide GPIO bank index.
  44     $ref: /schemas/types.yaml#/definitions/uint32
  45
  46   st,supports-sleepmode:
  47     description: Whether the controller can sleep or not.
  48     $ref: /schemas/types.yaml#/definitions/flag
  49
  50   clocks:
  51     maxItems: 1
  52
  53   gpio-ranges:
  54     maxItems: 1
  55
  56   ngpios:
  57     minimum: 0
  58     maximum: 32
  59
  60   resets:
  61     maxItems: 1
  62
  63 required:
  64   - compatible
  65   - reg
  66   - interrupts
  67   - "#gpio-cells"
  68   - gpio-controller
  69   - interrupt-controller
  70   - gpio-bank
  71
  72 unevaluatedProperties: false
  73
  74 allOf:
  75   - if:
  76       properties:
  77         compatible:
  78           contains:
  79             const: mobileye,eyeq5-gpio
  80     then:
  81       properties:
  82         st,supports-sleepmode: false
  83
  84 examples:
  85   - |
  86     gpio@8012e080 {
  87         compatible = "st,nomadik-gpio";
  88         reg =  <0x8012e080 0x80>;
  89         interrupts = <0 120 0x4>;
  90         #gpio-cells = <2>;
  91         gpio-controller;
  92         #interrupt-cells = <2>;
  93         interrupt-controller;
  94         st,supports-sleepmode;
  95         gpio-bank = <1>;
  96     };