From 4340f9d7e093c88bfa0502bb0b6151997789adc0 Mon Sep 17 00:00:00 2001
From: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Date: Mon, 16 Jan 2017 17:57:35 +0100
Subject: [PATCH] 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@collabora.com>
Signed-off-by: Tony Lindgren <tony@atomide.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 fddef183481e..010c99e80424 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>;
+	};
 
 };
 
-- 
2.20.1