Commit c7c9b1d1 authored by Jonathan Cameron's avatar Jonathan Cameron
Browse files

dt-bindings:iio:potentiostat:ti,lmp91000: txt to yaml conversion. 



There were a few parts of the example that did not conform to the
binding description and would not have worked with the Linux driver
as a result.  Fixed them whilst doing this conversion.

Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Acked-by: default avatarMatt Ranostay <matt.ranostay@konsulko.com>
Cc: Matt Ranostay <matt.ranostay@konsulko.com>
Link: https://lore.kernel.org/r/20201031181242.742301-11-jic23@kernel.org
parent 8c693432

Documentation/devicetree/bindings/iio/potentiostat/lmp91000.txt

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* Texas Instruments LMP91000 series of potentiostats



LMP91000: https://www.ti.com/lit/ds/symlink/lmp91000.pdf

LMP91002: https://www.ti.com/lit/ds/symlink/lmp91002.pdf



Required properties:



  - compatible: should be one of the following:

                 "ti,lmp91000"

                 "ti,lmp91002"

  - reg: the I2C address of the device

  - io-channels: the phandle of the iio provider



  - ti,external-tia-resistor: if the property ti,tia-gain-ohm is not defined this

    needs to be set to signal that an external resistor value is being used.



Optional properties:



  - ti,tia-gain-ohm: ohm value of the internal resistor for the transimpedance

    amplifier. Must be 2750, 3500, 7000, 14000, 35000, 120000, or 350000 ohms.



  - ti,rload-ohm: ohm value of the internal resistor load applied to the gas

    sensor. Must be 10, 33, 50, or 100 (default) ohms.



Example:



lmp91000@48 {

	compatible = "ti,lmp91000";

	reg = <0x48>;

	ti,tia-gain-ohm = <7500>;

	ti,rload = <100>;

	io-channels = <&adc>;

};

Documentation/devicetree/bindings/iio/potentiostat/ti,lmp91000.yaml

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/iio/potentiostat/ti,lmp91000.yaml#

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



title: Texas Instruments LMP91000 series of potentiostats with I2C control



maintainers:

  - Matt Ranostay <matt.ranostay@konsulko.com>



description: |

  Typically used as a signal conditioner for chemical sensors.

  LMP91000: https://www.ti.com/lit/ds/symlink/lmp91000.pdf

  LMP91002: https://www.ti.com/lit/ds/symlink/lmp91002.pdf



properties:

  compatible:

    enum:

      - ti,lmp91000

      - ti,lmp91002



  reg:

    maxItems: 1



  io-channels:

    maxItems: 1



  ti,external-tia-resistor:

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

    description:

      If the property ti,tia-gain-ohm is not defined this needs to be set to

      signal that an external resistor value is being used.



  ti,tia-gain-ohm:

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

    enum: [2750, 3500, 7000, 14000, 35000, 120000, 350000]

    description:

      Internal resistor for the transimpedance amplifier.



  ti,rload-ohm:

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

    enum: [10, 33, 50, 100]

    description:

      Internal resistor load applied to the gas sensor.

      Default 100 Ohms.



required:

  - compatible

  - reg

  - io-channels



additionalProperties: false



examples:

  - |

    i2c {

        #address-cells = <1>;

        #size-cells = <0>;

        lmp91000@48 {

            compatible = "ti,lmp91000";

            reg = <0x48>;

            ti,tia-gain-ohm = <7000>;

            ti,rload-ohm = <100>;

            io-channels = <&adc>;

        };

    };

...