Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/gpio/rockchip,gpio-bank.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Rockchip GPIO bank
   8
   9 maintainers:
  10   - Heiko Stuebner <heiko@sntech.de>
  11
  12 properties:
  13   compatible:
  14     enum:
  15       - rockchip,gpio-bank
  16       - rockchip,rk3188-gpio-bank0
  17
  18   reg:
  19     maxItems: 1
  20
  21   interrupts:
  22     maxItems: 1
  23
  24   clocks:
  25     minItems: 1
  26     items:
  27       - description: APB interface clock source
  28       - description: GPIO debounce reference clock source
  29
  30   gpio-controller: true
  31
  32   gpio-line-names: true
  33
  34   "#gpio-cells":
  35     const: 2
  36
  37   interrupt-controller: true
  38
  39   "#interrupt-cells":
  40     const: 2
  41
  42 required:
  43   - compatible
  44   - reg
  45   - interrupts
  46   - clocks
  47   - gpio-controller
  48   - "#gpio-cells"
  49   - interrupt-controller
  50   - "#interrupt-cells"
  51
  52 additionalProperties: false
  53
  54 examples:
  55   - |
  56     #include <dt-bindings/interrupt-controller/arm-gic.h>
  57     pinctrl: pinctrl {
  58       #address-cells = <1>;
  59       #size-cells = <1>;
  60       ranges;
  61
  62       gpio0: gpio@2000a000 {
  63         compatible = "rockchip,rk3188-gpio-bank0";
  64         reg = <0x2000a000 0x100>;
  65         interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>;
  66         clocks = <&clk_gates8 9>;
  67
  68         gpio-controller;
  69         #gpio-cells = <2>;
  70
  71         interrupt-controller;
  72         #interrupt-cells = <2>;
  73       };
  74
  75       gpio1: gpio@2003c000 {
  76         compatible = "rockchip,gpio-bank";
  77         reg = <0x2003c000 0x100>;
  78         interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
  79         clocks = <&clk_gates8 10>;
  80
  81         gpio-controller;
  82         #gpio-cells = <2>;
  83
  84         interrupt-controller;
  85         #interrupt-cells = <2>;
  86       };
  87     };