From ce1f9f6dabfb6f6566ac42211033e5f1632f61ba Mon Sep 17 00:00:00 2001
From: cyizhao <cyizhao@codeaurora.org>
Date: Tue, 13 Dec 2016 17:55:50 +0800
Subject: [PATCH] ARM: dts: msm: Enable volume up key for 8998 QRD interposer

GPIO7 is used for volume up key on 8998 QRD interposer device,
configure it to input and pull-up and add gpio-keys device to
enable the key detection.

CRs-Fixed: 1098142
Change-Id: I45ec6a02fc6f74ee871455c5662f62f1cfa7bc74
Signed-off-by: cyizhao <cyizhao@codeaurora.org>
---
 .../msm8998-v2.1-interposer-msmfalcon-qrd.dts | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm/boot/dts/qcom/msm8998-v2.1-interposer-msmfalcon-qrd.dts b/arch/arm/boot/dts/qcom/msm8998-v2.1-interposer-msmfalcon-qrd.dts
index 013c849c4936..bed8d6d20221 100644
--- a/arch/arm/boot/dts/qcom/msm8998-v2.1-interposer-msmfalcon-qrd.dts
+++ b/arch/arm/boot/dts/qcom/msm8998-v2.1-interposer-msmfalcon-qrd.dts
@@ -113,3 +113,32 @@
 	qcom,vdd-voltage-level = <0 925000 925000>;
 	core-supply = <&pmfalcon_l1>;
 };
+
+&pm2falcon_gpios {
+	/* GPIO 7 for VOL_UP */
+	gpio@c600 {
+		status = "ok";
+		qcom,mode = <0>;
+		qcom,pull = <0>;
+		qcom,vin-sel = <0>;
+		qcom,src-sel = <0>;
+		qcom,out-strength = <1>;
+	};
+};
+
+&soc {
+	gpio_keys {
+		compatible = "gpio-keys";
+		input-name = "gpio-keys";
+		status = "ok";
+
+		vol_up {
+			label = "volume_up";
+			gpios = <&pm2falcon_gpios 7 0x1>;
+			linux,input-type = <1>;
+			linux,code = <115>;
+			gpio-key,wakeup;
+			debounce-interval = <15>;
+		};
+	};
+};