Re: [PATCH v2 13/15] dt-bindings: iio: adc: adi,ad4134: Add high data throughput example

[Rob Herring]

On Tue, Sep 15, 2026 at 04:16:06PM -0300, Marcelo Schmitt wrote:
> Add device tree example for AD4134 operation in 4-wire SPI mode with 4
> lines to transfer data samples to the host controller.
> 
> Signed-off-by: Marcelo Schmitt <marcelo.schmitt@xxxxxxxxxx>
> ---
> No changes since v1.
> 
>  .../bindings/iio/adc/adi,ad4134.yaml          | 42 +++++++++++++++++++
>  1 file changed, 42 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad4134.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad4134.yaml
> index ad67d1cdacec..133996917ee2 100644
> --- a/Documentation/devicetree/bindings/iio/adc/adi,ad4134.yaml
> +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad4134.yaml
> @@ -243,4 +243,46 @@ examples:
>  
>          };
>      };
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    ad4134_sdo_dout0_mux: mux-controller {
> +        compatible = "gpio-mux";
> +        #mux-state-cells = <1>;
> +        mux-gpios = <&gpio0 100 GPIO_ACTIVE_HIGH>;
> +    };

Drop. We don't put providers in examples.

> +
> +    spi {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        adc@0 {
> +            compatible = "adi,ad4134";
> +            reg = <0>;
> +
> +            spi-max-frequency = <1000000>;
> +            spi-rx-bus-width = <1>, <1>, <1>, <1>; /* 4 lanes of 1 bit each */
> +
> +            pwms = <&ad4134_odr_generator 1 1000000 0>;
> +            reset-gpios = <&gpio0 86 GPIO_ACTIVE_LOW>;
> +            odr-gpios = <&gpio0 87 GPIO_ACTIVE_HIGH>;
> +            powerdown-gpios = <&gpio0 88 GPIO_ACTIVE_LOW>;
> +
> +            clocks = <&sys_clk>;
> +            clock-names = "clkin";
> +
> +            avdd5-supply = <&avdd5>;
> +            dvdd5-supply = <&dvdd5>;
> +            iovdd-supply = <&iovdd>;
> +            refin-supply = <&refin>;
> +            avdd1v8-supply = <&avdd1v8>;
> +            dvdd1v8-supply = <&dvdd1v8>;
> +            clkvdd-supply = <&clkvdd>;
> +
> +            mux-states = <&ad4134_sdo_dout0_mux 0>, <&ad4134_sdo_dout0_mux 1>;
> +            mux-state-names = "data_read", "reg_access";
> +
> +            adi,spi-mode = "4-wire";
> +        };
> +    };
>  ...
> -- 
> 2.53.0
>