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-ranges: true
  31
  32   gpio-controller: true
  33
  34   gpio-line-names: true
  35
  36   "#gpio-cells":
  37     const: 2
  38
  39   interrupt-controller: true
  40
  41   "#interrupt-cells":
  42     const: 2
  43
  44 required:
  45   - compatible
  46   - reg
  47   - interrupts
  48   - clocks
  49   - gpio-controller
  50   - "#gpio-cells"
  51   - interrupt-controller
  52   - "#interrupt-cells"
  53
  54 additionalProperties: false
  55
  56 examples:
  57   - |
  58     #include <dt-bindings/interrupt-controller/arm-gic.h>
  59     pinctrl: pinctrl {
  60       #address-cells = <1>;
  61       #size-cells = <1>;
  62       ranges;
  63
  64       gpio0: gpio@2000a000 {
  65         compatible = "rockchip,rk3188-gpio-bank0";
  66         reg = <0x2000a000 0x100>;
  67         interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>;
  68         clocks = <&clk_gates8 9>;
  69
  70         gpio-controller;
  71         #gpio-cells = <2>;
  72
  73         interrupt-controller;
  74         #interrupt-cells = <2>;
  75       };
  76
  77       gpio1: gpio@2003c000 {
  78         compatible = "rockchip,gpio-bank";
  79         reg = <0x2003c000 0x100>;
  80         interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
  81         clocks = <&clk_gates8 10>;
  82
  83         gpio-controller;
  84         #gpio-cells = <2>;
  85
  86         interrupt-controller;
  87         #interrupt-cells = <2>;
  88       };
  89     };