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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/iio/adc/allwinner,sun20i-d1-gpadc.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/iio/adc/allwinner,sun20i-d1-gpadc.yaml#

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

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title: Allwinner D1 General Purpose ADC

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maintainers:

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  - Maksim Kiselev <bigunclemax@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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          - allwinner,sun20i-d1-gpadc

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      - items:

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          - enum:

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              - allwinner,sun50i-h616-gpadc

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          - const: allwinner,sun20i-d1-gpadc

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  "#io-channel-cells":

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    const: 1

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  "#address-cells":

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    const: 1

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  "#size-cells":

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    const: 0

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  clocks:

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    maxItems: 1

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  interrupts:

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    maxItems: 1

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  reg:

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    maxItems: 1

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  resets:

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    maxItems: 1

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patternProperties:

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  "^channel@[0-9a-f]+$":

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    $ref: adc.yaml

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    type: object

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    description:

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      Represents the internal channels of the ADC.

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    properties:

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      reg:

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        items:

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          minimum: 0

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          maximum: 15

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    required:

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      - reg

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    unevaluatedProperties: false

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required:

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  - "#io-channel-cells"

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  - clocks

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  - compatible

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  - interrupts

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  - reg

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  - resets

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additionalProperties: false

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examples:

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  - |

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    #include <dt-bindings/clock/sun20i-d1-ccu.h>

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    #include <dt-bindings/reset/sun20i-d1-ccu.h>

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

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    gpadc: adc@2009000 {

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        compatible = "allwinner,sun20i-d1-gpadc";

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        reg = <0x2009000 0x400>;

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        clocks = <&ccu CLK_BUS_GPADC>;

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        resets = <&ccu RST_BUS_GPADC>;

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        interrupts = <73 IRQ_TYPE_LEVEL_HIGH>;

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        #io-channel-cells = <1>;

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        #address-cells = <1>;

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        #size-cells = <0>;

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        channel@0 {

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            reg = <0>;

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        };

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        channel@1 {

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            reg = <1>;

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        };

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    };

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...

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