linux-kernel - [PATCH 5/6] ARM: dts: am335x-sl50: Enable the MCP23017 GPIO Expander.

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Date:   Mon, 16 Jan 2017 17:57:35 +0100
From:   Enric Balletbo i Serra <enric.balletbo@...labora.com>
To:     Tony Lindgren <tony@...mide.com>, Rob Herring <robh+dt@...nel.org>,
        Russell King <linux@...linux.org.uk>
Cc:     linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 5/6] ARM: dts: am335x-sl50: Enable the MCP23017 GPIO Expander.

Add support for the 16-Bit I/O Expander connected via the I2C bus.

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
---
 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