Documentation/devicetree/bindings/gpio/brcm,xgs-iproc-gpio.yaml

   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
  23                      registers.
  24       - description: the I/O address containing the Chip Common A interrupt
  25                      registers.
  26
  27   gpio-controller: true
  28
  29   '#gpio-cells':
  30       const: 2
  31
  32   ngpios:
  33     minimum: 0
  34     maximum: 32
  35
  36   interrupt-controller: true
  37
  38   '#interrupt-cells':
  39     const: 2
  40
  41   interrupts:
  42     maxItems: 1
  43
  44 required:
  45   - compatible
  46   - reg
  47   - "#gpio-cells"
  48   - gpio-controller
  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 ...