Commit 16be06aa authored by Jonathan Cameron's avatar Jonathan Cameron
Browse files

dt-bindings:iio:adc:x-powers,axp209-adc: txt to yaml conversion 



This is a very small binding.  It might make sense at some stage
to just roll it into the parent mfd.  For now, converted as is.
The main advantage of this document is the identification of the
channel index values when this is used as a provider of ADC channels
to consumers.

Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201031184854.745828-32-jic23@kernel.org
parent 8c412458

Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt

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* X-Powers AXP ADC bindings



Required properties:

  - compatible: should be one of:

    - "x-powers,axp209-adc",

    - "x-powers,axp221-adc",

    - "x-powers,axp813-adc",

  - #io-channel-cells: should be 1,



Example:



&axp22x {

	adc {

		compatible = "x-powers,axp221-adc";

		#io-channel-cells = <1>;

	};

};



ADC channels and their indexes per variant:



AXP209

------

 0 | acin_v

 1 | acin_i

 2 | vbus_v

 3 | vbus_i

 4 | pmic_temp

 5 | gpio0_v

 6 | gpio1_v

 7 | ipsout_v

 8 | batt_v

 9 | batt_chrg_i

10 | batt_dischrg_i



AXP22x

------

 0 | pmic_temp

 1 | batt_v

 2 | batt_chrg_i

 3 | batt_dischrg_i



AXP813

------

 0 | pmic_temp

 1 | gpio0_v

 2 | batt_v

 3 | batt_chrg_i

 4 | batt_dischrg_i

Documentation/devicetree/bindings/iio/adc/x-powers,axp209-adc.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/x-powers,axp209-adc.yaml#

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



title: X-Powers AXP ADC bindings



maintainers:

  - Chen-Yu Tsai <wens@csie.org>



description: |

  ADC is frequently used as a provider to consumers of the ADC channels.

  Device is a child of an axp209 multifunction device

  ADC channels and their indexes per variant:



  AXP209

  ------

   0 | acin_v

   1 | acin_i

   2 | vbus_v

   3 | vbus_i

   4 | pmic_temp

   5 | gpio0_v

   6 | gpio1_v

   7 | ipsout_v

   8 | batt_v

   9 | batt_chrg_i

  10 | batt_dischrg_i



  AXP22x

  ------

   0 | pmic_temp

   1 | batt_v

   2 | batt_chrg_i

   3 | batt_dischrg_i



  AXP813

  ------

   0 | pmic_temp

   1 | gpio0_v

   2 | batt_v

   3 | batt_chrg_i

   4 | batt_dischrg_i





properties:

  compatible:

    enum:

      - x-powers,axp209-adc

      - x-powers,axp221-adc

      - x-powers,axp813-adc



  "#io-channel-cells":

    const: 1



additionalProperties: false



examples:

  - |

    axp221 {

        adc {

            compatible = "x-powers,axp221-adc";

            #io-channel-cells = <1>;

        };

    };

...