From 4d9d89240774ea38e2f5be08f68633a7d784440f Mon Sep 17 00:00:00 2001
From: Abir Ghosh <abirg@qti.qualcomm.com>
Date: Mon, 3 Feb 2020 11:54:39 +0530
Subject: [PATCH] dt-bindings: Add documentation for qbt_handler

Add dt-bindings for fingerprint driver.

Change-Id: I48715fed62645c97b8cdbd8b20846393d42242b0
---
 bindings/qbt_handler/qbt_handler.txt | 33 ++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 bindings/qbt_handler/qbt_handler.txt

diff --git a/bindings/qbt_handler/qbt_handler.txt b/bindings/qbt_handler/qbt_handler.txt
new file mode 100644
index 000000000000..755911feff0a
--- /dev/null
+++ b/bindings/qbt_handler/qbt_handler.txt
@@ -0,0 +1,33 @@
+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.
+
+=======
+Example
+=======
+
+qcom,qbt_handler {
+                compatible = "qcom,qbt-handler";
+                qcom,ipc-gpio = <&tlmm 38 0>;
+                qcom,finger-detect-gpio = <&tlmm 39 0>;
+};