Commit 8d71a5d8 authored by Guillaume Stols's avatar Guillaume Stols Committed by Jonathan Cameron
Browse files

dt-bindings: iio: adc: adi,ad7606: add conditions 



Since the driver supports several parts that present differences in
their layout and behaviour, it is necessary to describe the differences
from one chip to another.

Reviewed-by: default avatarConor Dooley <conor.dooley@microchip.com>
Signed-off-by: default avatarGuillaume Stols <gstols@baylibre.com>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 746bb410

Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml

+54 −6
Original line number Diff line number Diff line
@@ -52,10 +52,11 @@ properties: 


  adi,conversion-start-gpios:

    description:

      Must be the device tree identifier of the CONVST pin. This logic input is

      used to initiate conversions on the analog input channels. As the line is

      active high, it should be marked GPIO_ACTIVE_HIGH.

    maxItems: 1

      Must be the device tree identifier of the CONVST pin(s). This logic input

      is used to initiate conversions on the analog input channels. As the line

      is active high, it should be marked GPIO_ACTIVE_HIGH.

    minItems: 1

    maxItems: 2



  reset-gpios:

    description:
@@ -88,8 +89,11 @@ properties: 
      is tied to a logic high, the analog input range is ±10V for all channels.

      On the AD760X, if this pin is tied to a logic low, the analog input range

      is ±5V for all channels. As the line is active high, it should be marked

      GPIO_ACTIVE_HIGH.

    maxItems: 1

      GPIO_ACTIVE_HIGH. On the AD7616, there are 2 pins, and if the 2 pins are

      tied to a logic high, software mode is enabled, otherwise one of the 3

      possible range values is selected.

    minItems: 1

    maxItems: 2



  adi,oversampling-ratio-gpios:

    description:
@@ -122,6 +126,50 @@ required: 
allOf:

  - $ref: /schemas/spi/spi-peripheral-props.yaml#



  - if:

      properties:

        compatible:

          contains:

            const: adi,ad7616

    then:

      properties:

        adi,first-data-gpios: false

        standby-gpios: false

        adi,range-gpios:

          maxItems: 2

    else:

      properties:

        adi,range-gpios:

          maxItems: 1



  - if:

      properties:

        compatible:

          contains:

            enum:

              - adi,ad7605-4

              - adi,ad7616

    then:

      properties:

        adi,oversampling-ratio-gpios: false



  - if:

      properties:

        compatible:

          contains:

            enum:

              - adi,ad7605-4

              - adi,ad7606-4

              - adi,ad7606-6

              - adi,ad7606-8

    then:

      properties:

        adi,sw-mode: false

    else:

      properties:

        adi,conversion-start-gpios:

          maxItems: 1



unevaluatedProperties: false



examples: