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@xxxxxxxxxxxxxx>
Cc: Tony Lindgren <tony@xxxxxxxxxxx>
Cc: Benoit Cousson <bcousson@xxxxxxxxxxxx>
Cc: Rob Herring <robh@xxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Pawel Moll <pawel.moll@xxxxxxx>
Cc: Igor Grinberg <grinberg@xxxxxxxxxxxxxx>
Cc: Dmitry Lifshitz <lifshitz@xxxxxxxxxxxxxx>
Cc: Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx>
---
Changes in V2:
- No changes.
arch/arm/boot/dts/am437x-sbc-t43.dts | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm/boot/dts/am437x-sbc-t43.dts b/arch/arm/boot/dts/am437x-sbc-t43.dts
index 3fc824a..c7a1414 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 {
--
1.9.1
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