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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/gpio/gpio-ep9301.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/gpio-ep9301.yaml#

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

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title: EP93xx GPIO controller

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maintainers:

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  - Linus Walleij <linus.walleij@linaro.org>

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  - Bartosz Golaszewski <brgl@bgdev.pl>

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  - Nikita Shubin <nikita.shubin@maquefel.me>

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properties:

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  compatible:

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    oneOf:

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      - const: cirrus,ep9301-gpio

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      - items:

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          - enum:

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              - cirrus,ep9302-gpio

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              - cirrus,ep9307-gpio

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              - cirrus,ep9312-gpio

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              - cirrus,ep9315-gpio

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          - const: cirrus,ep9301-gpio

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  reg:

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    minItems: 2

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    items:

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      - description: data register

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      - description: direction register

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      - description: interrupt registers base

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  reg-names:

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    minItems: 2

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    items:

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      - const: data

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      - const: dir

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      - const: intr

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  gpio-controller: true

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  gpio-ranges: true

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  "#gpio-cells":

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    const: 2

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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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    oneOf:

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      - maxItems: 1

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      - description: port F has dedicated irq line for each gpio line

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        maxItems: 8

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required:

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  - compatible

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  - reg

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  - gpio-controller

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  - "#gpio-cells"

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additionalProperties: false

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examples:

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  - |

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    gpio@80840000 {

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      compatible = "cirrus,ep9301-gpio";

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      reg = <0x80840000 0x04>,

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            <0x80840010 0x04>,

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            <0x80840090 0x1c>;

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      reg-names = "data", "dir", "intr";

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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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      interrupt-parent = <&vic1>;

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      interrupts = <27>;

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    };

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    gpio@80840004 {

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      compatible = "cirrus,ep9301-gpio";

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      reg = <0x80840004 0x04>,

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            <0x80840014 0x04>,

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            <0x808400ac 0x1c>;

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      reg-names = "data", "dir", "intr";

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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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      interrupt-parent = <&vic1>;

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      interrupts = <27>;

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    };

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    gpio@80840008 {

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      compatible = "cirrus,ep9301-gpio";

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      reg = <0x80840008 0x04>,

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            <0x80840018 0x04>;

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      reg-names = "data", "dir";

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      gpio-controller;

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      #gpio-cells = <2>;

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    };

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    gpio@8084000c {

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      compatible = "cirrus,ep9301-gpio";

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      reg = <0x8084000c 0x04>,

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            <0x8084001c 0x04>;

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      reg-names = "data", "dir";

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      gpio-controller;

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      #gpio-cells = <2>;

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    };

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    gpio@80840020 {

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      compatible = "cirrus,ep9301-gpio";

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      reg = <0x80840020 0x04>,

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            <0x80840024 0x04>;

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      reg-names = "data", "dir";

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      gpio-controller;

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      #gpio-cells = <2>;

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    };

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    gpio@80840030 {

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      compatible = "cirrus,ep9301-gpio";

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      reg = <0x80840030 0x04>,

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            <0x80840034 0x04>,

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            <0x8084004c 0x1c>;

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      reg-names = "data", "dir", "intr";

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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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      interrupts-extended = <&vic0 19>, <&vic0 20>,

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                            <&vic0 21>, <&vic0 22>,

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                            <&vic1 15>, <&vic1 16>,

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                            <&vic1 17>, <&vic1 18>;

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    };

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    gpio@80840038 {

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      compatible = "cirrus,ep9301-gpio";

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      reg = <0x80840038 0x04>,

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            <0x8084003c 0x04>;

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      reg-names = "data", "dir";

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      gpio-controller;

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      #gpio-cells = <2>;

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    };

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    gpio@80840040 {

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      compatible = "cirrus,ep9301-gpio";

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      reg = <0x80840040 0x04>,

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            <0x80840044 0x04>;

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      reg-names = "data", "dir";

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      gpio-controller;

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      #gpio-cells = <2>;

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    };

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...

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