Add PCA9555 GPIO extender support (over I2C5 bus).
Signed-off-by: Dmitry Lifshitz <[email protected]>
Acked-by: Igor Grinberg <[email protected]>
---
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 7b65efb..8b7c0b5 100644
--- a/arch/arm/boot/dts/am57xx-sbc-am57x.dts
+++ b/arch/arm/boot/dts/am57xx-sbc-am57x.dts
@@ -90,4 +90,11 @@
reg = <0x50>;
pagesize = <16>;
};
+
+ pca9555: pca9555@20 {
+ compatible = "nxp,pca9555";
+ reg = <0x20>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
};
--
1.9.1
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