Commit baaa92d2 authored by Axel Haslam's avatar Axel Haslam Committed by Jonathan Cameron
Browse files

dt-bindings: iio: dac: ad5791: Add optional reset, clr and ldac gpios 



Depending on board layout, the ad57xx may need control of reset, clear,
and ldac pins by the host driver. Add optional bindings for these gpios.

Reviewed-by: default avatarDavid Lechner <dlechner@baylibre.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: default avatarAxel Haslam <ahaslam@baylibre.com>
Link: https://patch.msgid.link/20241031071746.848694-2-ahaslam@baylibre.com


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 248da097

Documentation/devicetree/bindings/iio/dac/adi,ad5791.yaml

+15 −0
Original line number Diff line number Diff line
@@ -31,6 +31,17 @@ properties: 
      gain of two configuration.

    type: boolean



  reset-gpios:

    maxItems: 1



  clear-gpios:

    maxItems: 1



  ldac-gpios:

    description:

      LDAC pin to be used as a hardware trigger to update the DAC channels.

    maxItems: 1



required:

  - compatible

  - reg
@@ -44,6 +55,7 @@ unevaluatedProperties: false 


examples:

  - |

    #include <dt-bindings/gpio/gpio.h>

    spi {

        #address-cells = <1>;

        #size-cells = <0>;
@@ -53,6 +65,9 @@ examples: 
            reg = <0>;

            vss-supply = <&dac_vss>;

            vdd-supply = <&dac_vdd>;

            reset-gpios = <&gpio_bd 16 GPIO_ACTIVE_LOW>;

            clear-gpios = <&gpio_bd 17 GPIO_ACTIVE_LOW>;

            ldac-gpios = <&gpio_bd 18 GPIO_ACTIVE_HIGH>;

        };

    };

...