Commit 4a135e92 authored by Matti Vaittinen's avatar Matti Vaittinen Committed by Jonathan Cameron
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dt-bindings: ROHM BD79124 ADC/GPO 



Add binding document for the ROHM BD79124 ADC / GPO.

ROHM BD79124 is a 8-channel, 12-bit ADC. The input pins can also be used
as general purpose outputs.

Signed-off-by: default avatarMatti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: default avatarConor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/e16f54b6214b0d796216729a7e29b8f7be9ae19e.1742560649.git.mazziesaccount@gmail.com


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 9016776f

Documentation/devicetree/bindings/iio/adc/rohm,bd79124.yaml

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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause

%YAML 1.2

---

$id: http://devicetree.org/schemas/iio/adc/rohm,bd79124.yaml#

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



title: ROHM BD79124 ADC/GPO



maintainers:

  - Matti Vaittinen <mazziesaccount@gmail.com>



description: |

  The ROHM BD79124 is a 12-bit, 8-channel, SAR ADC. The ADC supports

  an automatic measurement mode, with an alarm interrupt for out-of-window

  measurements. ADC input pins can be also configured as general purpose

  outputs.



properties:

  compatible:

    const: rohm,bd79124



  reg:

    description:

      I2C slave address.

    maxItems: 1



  interrupts:

    maxItems: 1



  gpio-controller: true



  "#gpio-cells":

    const: 1

    description:

      The pin number.



  vdd-supply: true



  iovdd-supply: true



  "#address-cells":

    const: 1



  "#size-cells":

    const: 0



patternProperties:

  "^channel@[0-7]+$":

    type: object

    $ref: /schemas/iio/adc/adc.yaml#

    description: Represents ADC channel.



    properties:

      reg:

        description: AIN pin number

        minimum: 0

        maximum: 7



    required:

      - reg



    additionalProperties: false



required:

  - compatible

  - reg

  - iovdd-supply

  - vdd-supply



additionalProperties: false



examples:

  - |

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

    #include <dt-bindings/leds/common.h>

    i2c {

        #address-cells = <1>;

        #size-cells = <0>;

        adc: adc@10 {

            compatible = "rohm,bd79124";

            reg = <0x10>;



            interrupt-parent = <&gpio1>;

            interrupts = <29 8>;



            vdd-supply = <&dummyreg>;

            iovdd-supply = <&dummyreg>;



            #address-cells = <1>;

            #size-cells = <0>;



            channel@0 {

                reg = <0>;

            };

            channel@1 {

                reg = <1>;

            };

            channel@2 {

                reg = <2>;

            };

            channel@3 {

                reg = <3>;

            };

            channel@4 {

                reg = <4>;

            };

            channel@5 {

                reg = <5>;

            };

            channel@6 {

                reg = <6>;

            };

        };

    };