Add PCA9555 GPIO expander support (over I2C5 bus).
Signed-off-by: Dmitry Lifshitz <[email protected]>
Acked-by: Igor Grinberg <[email protected]>
---
v3:
* No fuctional changes
* Reformat subject
v2:
* Fixed patch subject/description
arch/arm/boot/dts/am57xx-sbc-am57x.dts | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm/boot/dts/am57xx-sbc-am57x.dts
b/arch/arm/boot/dts/am57xx-sbc-am57x.dts
index a3588ba..edce6c6 100644
--- a/arch/arm/boot/dts/am57xx-sbc-am57x.dts
+++ b/arch/arm/boot/dts/am57xx-sbc-am57x.dts
@@ -89,4 +89,11 @@
reg = <0x50>;
pagesize = <16>;
};
+
+ pca9555: pca9555@20 {
+ compatible = "nxp,pca9555";
+ reg = <0x20>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
};
--
1.9.1
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