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 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 ...