Commit 65fb06f0 authored by Jonathan Cameron's avatar Jonathan Cameron
Browse files

dt-bindings: iio: adc: maxim,max9611 yaml conversions 



Straight forward conversion of this binding for this
current sense amplifier and ADC.

Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: default avatarJacopo Mondi <jacopo@jmondi.org>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
parent fde6da59

Documentation/devicetree/bindings/iio/adc/max9611.txt

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* Maxim max9611/max9612 current sense amplifier with 12-bits ADC interface



Maxim max9611/max9612 is an high-side current sense amplifier with integrated

12-bits ADC communicating over I2c bus.

The device node for this driver shall be a child of a I2c controller.



Required properties

  - compatible: Should be "maxim,max9611" or "maxim,max9612"

  - reg: The 7-bits long I2c address of the device

  - shunt-resistor-micro-ohms: Value, in micro Ohms, of the current sense shunt

			        resistor



Example:



&i2c4 {

	csa: adc@7c {

		compatible = "maxim,max9611";

		reg = <0x7c>;



		shunt-resistor-micro-ohms = <5000>;

	};

};



This device node describes a current sense amplifier sitting on I2c4 bus

with address 0x7c (read address is 0xf9, write address is 0xf8).

A sense resistor of 0,005 Ohm is installed between RS+ and RS- current-sensing

inputs.

Documentation/devicetree/bindings/iio/adc/maxim,max9611.yaml

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/iio/adc/maxim,max9611.yaml#

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



title: Maxim MAX9611 and similar current sense amplifiers with integrated ADCs



maintainers:

  - Jacopo Mondi <jacopo@jmondi.org>



description: |

   These devices combine a high-side current sense amplifier with a 12 bit ADC.

   They have an i2c interface.



properties:

  compatible:

    enum:

      - maxim,max9611

      - maxim,max9612



  reg:

    maxItems: 1



  shunt-resistor-micro-ohms:

    $ref: /schemas/types.yaml#/definitions/uint32

    description: |

      Value in micro Ohms of the shunt resistor connected between the RS+ and

      RS- inputs, across which the current is measured.  Value needed to compute

      the scaling of the measured current.



additionalProperties: false



required:

  - compatible

  - reg

  - shunt-resistor-micro-ohms



examples:

  - |

    i2c {

        #address-cells = <1>;

        #size-cells = <0>;



        adc@7c {

            compatible = "maxim,max9611";

            reg = <0x7c>;

            shunt-resistor-micro-ohms = <5000>;

        };

    };

...