Commit 72c1d110 authored by Alexander Stein's avatar Alexander Stein Committed by Jonathan Cameron
Browse files

dt-bindings: iio: imx8qxp-adc: add missing vref-supply 



Although this property is used right now for IIO_CHAN_INFO_SCALE,
this ADC has two internal reference voltages, which the driver currently
doesn't make use of.

Fixes: db73419d ("dt-bindings: iio: adc: Add binding documentation for NXP IMX8QXP ADC")
Signed-off-by: default avatarAlexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: default avatarHaibo Chen <haibo.chen@nxp.com>
Acked-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230424092312.61746-1-alexander.stein@ew.tq-group.com


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 3e27ef0c

Documentation/devicetree/bindings/iio/adc/nxp,imx8qxp-adc.yaml

+7 −0
Original line number Diff line number Diff line
@@ -39,6 +39,12 @@ properties: 
  power-domains:

    maxItems: 1



  vref-supply:

    description: |

      External ADC reference voltage supply on VREFH pad. If VERID[MVI] is

      set, there are additional, internal reference voltages selectable.

      VREFH1 is always from VREFH pad.



  "#io-channel-cells":

    const: 1
@@ -72,6 +78,7 @@ examples: 
            assigned-clocks = <&clk IMX_SC_R_ADC_0>;

            assigned-clock-rates = <24000000>;

            power-domains = <&pd IMX_SC_R_ADC_0>;

            vref-supply = <&reg_1v8>;

            #io-channel-cells = <1>;

        };

    };