Documentation/devicetree/bindings/gpio/fcs,fxl6408.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/fcs,fxl6408.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Fairchild FXL6408 I2C GPIO Expander
   8
   9 maintainers:
  10   - Emanuele Ghidoli <emanuele.ghidoli@toradex.com>
  11
  12 properties:
  13   compatible:
  14     enum:
  15       - fcs,fxl6408
  16
  17   reg:
  18     maxItems: 1
  19
  20   "#gpio-cells":
  21     const: 2
  22
  23   gpio-controller: true
  24
  25   gpio-line-names:
  26     minItems: 1
  27     maxItems: 8
  28
  29 patternProperties:
  30   "^(hog-[0-9]+|.+-hog(-[0-9]+)?)$":
  31     required:
  32       - gpio-hog
  33
  34 required:
  35   - compatible
  36   - reg
  37   - gpio-controller
  38   - "#gpio-cells"
  39
  40 additionalProperties: false
  41
  42 examples:
  43   - |
  44     i2c {
  45         #address-cells = <1>;
  46         #size-cells = <0>;
  47
  48         gpio_expander_43: gpio-expander@43 {
  49             compatible = "fcs,fxl6408";
  50             reg = <0x43>;
  51             gpio-controller;
  52             #gpio-cells = <2>;
  53             gpio-line-names = "Wi-Fi_W_DISABLE", "Wi-Fi_WKUP_WLAN",
  54                               "PWR_EN_+V3.3_WiFi_N", "PCIe_REF_CLK_EN",
  55                               "USB_RESET_N", "USB_BYPASS_N", "Wi-Fi_PDn",
  56                               "Wi-Fi_WKUP_BT";
  57         };
  58     };