From: Marek Vasut <marex@denx.de>
Date: Fri, 11 Jan 2013 23:35:08 +0000 (+0100)
Subject: ARM: mxs: Enable touchscreen on m28evk
X-Git-Tag: firefly_0821_release~3680^2~1069^2~5^2~6
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=da021ee3a069b897833f737d86a343b860ad7a54;p=firefly-linux-kernel-4.4.55.git

ARM: mxs: Enable touchscreen on m28evk

This patch adds necessary DT properties to m28evk to enable touchscreen
in the LRADC block. The M28EVK is shipped with 4-wire resistive touchscreen.

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
---

diff --git a/arch/arm/boot/dts/imx28-m28evk.dts b/arch/arm/boot/dts/imx28-m28evk.dts
index 3bab6b00c52d..6ce3d17c3a29 100644
--- a/arch/arm/boot/dts/imx28-m28evk.dts
+++ b/arch/arm/boot/dts/imx28-m28evk.dts
@@ -177,6 +177,7 @@
 
 			lradc@80050000 {
 				status = "okay";
+				fsl,lradc-touchscreen-wires = <4>;
 			};
 
 			duart: serial@80074000 {