Qualcomm Technologies, Inc. QBT_HANDLER Specific Bindings

QBT is a fingerprint sensor ASIC capable of performing fingerprint image scans
and detecting finger presence on the sensor using programmable firmware.

=======================
Required Node Structure
=======================

- compatible
  Usage:      required
  Value type: <string>
  Definition: "qcom,qbt-handler".

- qcom,ipc-gpio
  Usage:      required
  Value type: <phandle>
  Definition: phandle for GPIO to be used for IPC.

- qcom,finger-detect-gpio
  Usage:      required
  Value type: <phandle>
  Definition: phandle for GPIO to be used for finger detect.

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Example
=======

qcom,qbt_handler {
                compatible = "qcom,qbt-handler";
                qcom,ipc-gpio = <&tlmm 38 0>;
                qcom,finger-detect-gpio = <&tlmm 39 0>;
};
