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authorKen Lin <ken.lin@advantech.com.tw>2016-08-12 13:45:11 -0400
committerShawn Guo <shawnguo@kernel.org>2016-08-29 09:22:25 +0800
commit118e81cb7307934870721312da5443913a14faa2 (patch)
tree3571b4d0643c112060ad66b737e8fcf6f19682f4 /arch/arm/boot/dts/imx6q-b650v3.dts
parentb5ca028fe9ba2090afdbb3a2e8362590adc42a9c (diff)
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>
Diffstat (limited to 'arch/arm/boot/dts/imx6q-b650v3.dts')
-rw-r--r--arch/arm/boot/dts/imx6q-b650v3.dts9
1 files changed, 9 insertions, 0 deletions
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";
+ };
+};