Add support for the 16-Bit I/O Expander connected via the I2C bus.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>
---
arch/arm/boot/dts/am335x-sl50.dts | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm/boot/dts/am335x-sl50.dts b/arch/arm/boot/dts/am335x-sl50.dts
index fddef18..010c99e 100644
--- a/arch/arm/boot/dts/am335x-sl50.dts
+++ b/arch/arm/boot/dts/am335x-sl50.dts
@@ -313,6 +313,10 @@
reg = <0x50>;
};
+ gpio_exp: mcp23017@20 {
+ compatible = "microchip,mcp23017";
+ reg = <0x20>;
+ };
};
--
2.9.3
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