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 1/2] 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 00000000..755911fe
--- /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>;
+};

From 79b14699af370c6cf0a18ece0d8f1be836932531 Mon Sep 17 00:00:00 2001
From: Abir Ghosh <abirg@qti.qualcomm.com>
Date: Thu, 30 Jan 2020 17:52:52 +0530
Subject: [PATCH 2/2] ARM: dts: msm: Add dtsi changes for qbt_handler

Add dtsi changes for fingerprint driver.

Change-Id: I739901b9c1d3b331e044b6841782d2959bc89a0c
---
 qcom/lahaina-cdp.dtsi        | 5 +++++
 qcom/lahaina-mtp.dtsi        | 5 +++++
 qcom/lahaina-qrd-common.dtsi | 5 +++++
 qcom/lahaina-rumi.dtsi       | 5 +++++
 4 files changed, 20 insertions(+)

diff --git a/qcom/lahaina-cdp.dtsi b/qcom/lahaina-cdp.dtsi
index 3a9bb004..cc38b1ce 100644
--- a/qcom/lahaina-cdp.dtsi
+++ b/qcom/lahaina-cdp.dtsi
@@ -25,6 +25,11 @@
 			linux,can-disable;
 		};
 	};
+	qcom,qbt_handler {
+		compatible = "qcom,qbt-handler";
+		qcom,ipc-gpio = <&tlmm 38 0>;
+		qcom,finger-detect-gpio = <&tlmm 39 0>;
+	};
 };
 
 &sdhc_2 {
diff --git a/qcom/lahaina-mtp.dtsi b/qcom/lahaina-mtp.dtsi
index 96776c2b..0ee6dc0c 100644
--- a/qcom/lahaina-mtp.dtsi
+++ b/qcom/lahaina-mtp.dtsi
@@ -25,6 +25,11 @@
 			linux,can-disable;
 		};
 	};
+	qcom,qbt_handler {
+		compatible = "qcom,qbt-handler";
+		qcom,ipc-gpio = <&tlmm 38 0>;
+		qcom,finger-detect-gpio = <&tlmm 39 0>;
+	};
 };
 
 &sdhc_2 {
diff --git a/qcom/lahaina-qrd-common.dtsi b/qcom/lahaina-qrd-common.dtsi
index 138e3dba..7e93389f 100644
--- a/qcom/lahaina-qrd-common.dtsi
+++ b/qcom/lahaina-qrd-common.dtsi
@@ -25,5 +25,10 @@
 			linux,can-disable;
 		};
 	};
+	qcom,qbt_handler {
+		compatible = "qcom,qbt-handler";
+		qcom,ipc-gpio = <&tlmm 38 0>;
+		qcom,finger-detect-gpio = <&tlmm 39 0>;
+	};
 };
 
diff --git a/qcom/lahaina-rumi.dtsi b/qcom/lahaina-rumi.dtsi
index 43cf3c9a..49ce3fd5 100644
--- a/qcom/lahaina-rumi.dtsi
+++ b/qcom/lahaina-rumi.dtsi
@@ -84,6 +84,11 @@
 				     0x10060 0x3c
 				     0x0 0x4>;
 	};
+	qcom,qbt_handler {
+		compatible = "qcom,qbt-handler";
+		qcom,ipc-gpio = <&tlmm 38 0>;
+		qcom,finger-detect-gpio = <&tlmm 39 0>;
+	};
 };
 
 &usb2_phy0 {