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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/gpio/brcm,xgs-iproc-gpio.yaml
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/gpio/brcm,xgs-iproc-gpio.yaml#

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$schema: http://devicetree.org/meta-schemas/core.yaml#

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title: Broadcom XGS iProc GPIO controller

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maintainers:

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  - Chris Packham <chris.packham@alliedtelesis.co.nz>

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description: |

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  This controller is the Chip Common A GPIO present on a number of Broadcom

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  switch ASICs with integrated SoCs.

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properties:

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  compatible:

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    const: brcm,iproc-gpio-cca

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  reg:

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    items:

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      - description: the I/O address containing the GPIO controller registers.

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      - description: the I/O address containing the Chip Common A interrupt registers.

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  gpio-controller: true

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  '#gpio-cells':

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    const: 2

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  ngpios:

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    minimum: 0

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    maximum: 32

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  interrupt-controller: true

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  '#interrupt-cells':

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    const: 2

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  interrupts:

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    maxItems: 1

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required:

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  - compatible

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  - reg

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  - "#gpio-cells"

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  - gpio-controller

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additionalProperties: false

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dependencies:

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  interrupt-controller: [ interrupts ]

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examples:

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  - |

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    #include <dt-bindings/interrupt-controller/irq.h>

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    #include <dt-bindings/interrupt-controller/arm-gic.h>

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    gpio@18000060 {

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        compatible = "brcm,iproc-gpio-cca";

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        #gpio-cells = <2>;

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        reg = <0x18000060 0x50>,

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              <0x18000000 0x50>;

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        ngpios = <12>;

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        gpio-controller;

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        interrupt-controller;

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        #interrupt-cells = <2>;

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        interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;

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    };

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...

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