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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.yaml
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# SPDX-License-Identifier: GPL-2.0

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/gpio/fsl-imx-gpio.yaml#

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

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title: Freescale i.MX/MXC GPIO controller

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maintainers:

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  - Shawn Guo <shawnguo@kernel.org>

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  - Sascha Hauer <s.hauer@pengutronix.de>

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  - Fabio Estevam <festevam@gmail.com>

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properties:

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  compatible:

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    oneOf:

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      - enum:

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          - fsl,imx1-gpio

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          - fsl,imx21-gpio

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          - fsl,imx31-gpio

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          - fsl,imx35-gpio

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          - fsl,imx7d-gpio

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      - items:

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          - enum:

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              - fsl,imx27-gpio

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          - const: fsl,imx21-gpio

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      - items:

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          - const: fsl,imx35-gpio

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          - const: fsl,imx31-gpio

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      - items:

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          - enum:

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              - fsl,imx25-gpio

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          - const: fsl,imx35-gpio

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      - items:

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          - enum:

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              - fsl,imx50-gpio

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              - fsl,imx51-gpio

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              - fsl,imx53-gpio

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              - fsl,imx6q-gpio

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              - fsl,imx6sl-gpio

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              - fsl,imx6sll-gpio

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              - fsl,imx6sx-gpio

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              - fsl,imx6ul-gpio

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              - fsl,imx7d-gpio

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              - fsl,imx8dxl-gpio

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              - fsl,imx8mm-gpio

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              - fsl,imx8mn-gpio

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              - fsl,imx8mp-gpio

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              - fsl,imx8mq-gpio

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              - fsl,imx8qm-gpio

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              - fsl,imx8qxp-gpio

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              - fsl,imxrt1050-gpio

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              - fsl,imxrt1170-gpio

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          - const: fsl,imx35-gpio

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  reg:

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    maxItems: 1

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  interrupts:

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    description: |

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      Should be the port interrupt shared by all 32 pins, if one number.

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      If two numbers, the first one is the interrupt shared by low 16 pins

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      and the second one is for high 16 pins.

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    minItems: 1

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    maxItems: 2

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  interrupt-controller: true

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  "#interrupt-cells":

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    const: 2

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  clocks:

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    maxItems: 1

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  "#gpio-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-ranges: true

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  power-domains:

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    maxItems: 1

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patternProperties:

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  "^(hog-[0-9]+|.+-hog(-[0-9]+)?)$":

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    type: object

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    required:

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      - gpio-hog

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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-cells"

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  - gpio-controller

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additionalProperties: false

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examples:

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  - |

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    gpio0: gpio@73f84000 {

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        compatible = "fsl,imx35-gpio";

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        reg = <0x73f84000 0x4000>;

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        interrupts = <50 51>;

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        gpio-controller;

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        #gpio-cells = <2>;

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        interrupt-controller;

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        #interrupt-cells = <2>;

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    };

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...

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