From 118e81cb7307934870721312da5443913a14faa2 Mon Sep 17 00:00:00 2001
From: Ken Lin <ken.lin@advantech.com.tw>
Date: Fri, 12 Aug 2016 13:45:11 -0400
Subject: ARM: dts: imx6q-bx50v3: configure unused pca953x pins

At power on, pca953x GPIO pins are configured as input and may cause
unexpected interrupts. Configure the unused pins as GPO low to
avoid unexpected interrupts.

Signed-off-by: Ken Lin <ken.lin@advantech.com.tw>
Signed-off-by: Akshay Bhat <akshay.bhat@timesys.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
 arch/arm/boot/dts/imx6q-b650v3.dts | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'arch/arm/boot/dts/imx6q-b650v3.dts')

diff --git a/arch/arm/boot/dts/imx6q-b650v3.dts b/arch/arm/boot/dts/imx6q-b650v3.dts
index 33cb71acadcc..d85388725426 100644
--- a/arch/arm/boot/dts/imx6q-b650v3.dts
+++ b/arch/arm/boot/dts/imx6q-b650v3.dts
@@ -89,3 +89,12 @@
 		};
 	};
 };
+
+&pca9539 {
+	P05 {
+		gpio-hog;
+		gpios = <5 0>;
+		output-low;
+		line-name = "PCA9539-P05";
+	};
+};
-- 
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