FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/input/touchscreen/resistive-adc-touch.txt

     Generic resistive touchscreen ADC
     
     Required properties:
     
      - compatible: must be "resistive-adc-touch"
     The device must be connected to an ADC device that provides channels for
     position measurement and optional pressure.
     Refer to
     https://github.com/devicetree-org/dt-schema/blob/master/schemas/iio/iio-consumer.yaml
    for details
    
     - iio-channels: must have at least two channels connected to an ADC device.
    These should correspond to the channels exposed by the ADC device and should
    have the right index as the ADC device registers them. These channels
    represent the relative position on the "x" and "y" axes.
     - iio-channel-names: must have all the channels' names. Mandatory channels
    are "x" and "y".
    
    Optional properties:
     - iio-channels: The third channel named "pressure" is optional and can be
    used if the ADC device also measures pressure besides position.
    If this channel is missing, pressure will be ignored and the touchscreen
    will only report position.
     - iio-channel-names: optional channel named "pressure".
    
    Example:
    
            resistive_touch: resistive_touch {
                    compatible = "resistive-adc-touch";
                    touchscreen-min-pressure = <50000>;
                    io-channels = <&adc 24>, <&adc 25>, <&adc 26>;
                    io-channel-names = "x", "y", "pressure";
            };

Cache object: 350b711c85fa69596a285f29aac8d173