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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/gpio/atmel,at91rm9200-gpio.yaml
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# SPDX-License-Identifier: (GPL-2.0-only 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/atmel,at91rm9200-gpio.yaml#

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

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title: Microchip GPIO controller (PIO)

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maintainers:

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  - Manikandan Muralidharan <manikandan.m@microchip.com>

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properties:

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  compatible:

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    oneOf:

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      - items:

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          - enum:

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              - atmel,at91sam9x5-gpio

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              - microchip,sam9x60-gpio

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          - const: atmel,at91rm9200-gpio

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      - items:

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          - enum:

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              - microchip,sam9x7-gpio

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          - const: microchip,sam9x60-gpio

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          - const: atmel,at91rm9200-gpio

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      - items:

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          - const: atmel,at91rm9200-gpio

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  reg:

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    maxItems: 1

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  interrupts:

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    maxItems: 1

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  interrupt-controller: true

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  "#interrupt-cells":

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    const: 2

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  gpio-controller: true

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  gpio-line-names: true

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  "#gpio-cells":

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    const: 2

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  clocks:

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    maxItems: 1

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  "#gpio-lines":

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    description:

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      Number of gpio, 32 by default if absent

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    maxItems: 1

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    default: 32

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required:

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  - compatible

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  - reg

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  - interrupts

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  - interrupt-controller

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  - "#interrupt-cells"

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  - gpio-controller

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  - "#gpio-cells"

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  - clocks

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additionalProperties: false

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examples:

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  - |

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    #include <dt-bindings/clock/at91.h>

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

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    gpio@fffff400 {

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        compatible = "atmel,at91rm9200-gpio";

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        reg = <0xfffff400 0x200>;

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        interrupts = <2 IRQ_TYPE_LEVEL_HIGH 1>;

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        #gpio-cells = <2>;

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        gpio-controller;

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        interrupt-controller;

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        #interrupt-cells = <2>;

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        clocks = <&pmc PMC_TYPE_PERIPHERAL 2>;

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    };

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...

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