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     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     };
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