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authorNikita Kiryanov <nikita@compulab.co.il>2015-12-01 16:55:05 +0300
committerTony Lindgren <tony@atomide.com>2015-12-03 19:12:59 +0300
commit90f7cf83876a083f9e1c3a9e595bc9acaffb7c29 (patch)
tree08f522630cf3629b76eaffafb6b8a0cddced93a5 /arch/arm/boot/dts/am437x-sbc-t43.dts
parenta7c787677461829e22698ca001aedfda4ae06651 (diff)
downloadlinux-90f7cf83876a083f9e1c3a9e595bc9acaffb7c29.tar.xz
ARM: dts: am437x: cm-t43: add pca9555 support
SB-SOM comes with a PCA9555 GPIO extender. On SBC-T43 this resides on the i2c1 bus. Add it to the device tree. Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il> Cc: Tony Lindgren <tony@atomide.com> Cc: Benoit Cousson <bcousson@baylibre.com> Cc: Rob Herring <robh@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Igor Grinberg <grinberg@compulab.co.il> Cc: Dmitry Lifshitz <lifshitz@compulab.co.il> Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/boot/dts/am437x-sbc-t43.dts')
-rw-r--r--arch/arm/boot/dts/am437x-sbc-t43.dts7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am437x-sbc-t43.dts b/arch/arm/boot/dts/am437x-sbc-t43.dts
index 3fc824a5b13c..c7a1414dca2c 100644
--- a/arch/arm/boot/dts/am437x-sbc-t43.dts
+++ b/arch/arm/boot/dts/am437x-sbc-t43.dts
@@ -54,6 +54,13 @@
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins>;
+
+ pca9555: pca9555@20 {
+ compatible = "nxp,pca9555";
+ reg = <0x20>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
};
&i2c2 {