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     1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/gpio/brcm,xgs-iproc-gpio.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Broadcom XGS iProc GPIO controller
    8 
    9 maintainers:
   10   - Chris Packham <chris.packham@alliedtelesis.co.nz>
   11 
   12 description: |
   13   This controller is the Chip Common A GPIO present on a number of Broadcom
   14   switch ASICs with integrated SoCs.
   15 
   16 properties:
   17   compatible:
   18     const: brcm,iproc-gpio-cca
   19 
   20   reg:
   21     items:
   22       - description: the I/O address containing the GPIO controller registers.
   23       - description: the I/O address containing the Chip Common A interrupt registers.
   24 
   25   gpio-controller: true
   26 
   27   '#gpio-cells':
   28     const: 2
   29 
   30   ngpios:
   31     minimum: 0
   32     maximum: 32
   33 
   34   interrupt-controller: true
   35 
   36   '#interrupt-cells':
   37     const: 2
   38 
   39   interrupts:
   40     maxItems: 1
   41 
   42 required:
   43   - compatible
   44   - reg
   45   - "#gpio-cells"
   46   - gpio-controller
   47 
   48 additionalProperties: false
   49 
   50 dependencies:
   51   interrupt-controller: [ interrupts ]
   52 
   53 examples:
   54   - |
   55     #include <dt-bindings/interrupt-controller/irq.h>
   56     #include <dt-bindings/interrupt-controller/arm-gic.h>
   57     gpio@18000060 {
   58         compatible = "brcm,iproc-gpio-cca";
   59         #gpio-cells = <2>;
   60         reg = <0x18000060 0x50>,
   61               <0x18000000 0x50>;
   62         ngpios = <12>;
   63         gpio-controller;
   64         interrupt-controller;
   65         #interrupt-cells = <2>;
   66         interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
   67     };
   68 
   69 
   70 ...
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