arm: imx6q: Add devicetree support for Engicam i.CoreM6 Quad/Dual

i.CoreM6 Quad/Dual modules are system on module solutions
manufactured by Engicam with following characteristics:
CPU           NXP i.MX6 DQ, 800MHz
RAM           1GB, 32, 64 bit, DDR3-800/1066
NAND          SLC,512MB
Power supply  Single 5V
MAX LCD RES   FULLHD

and more info at
http://www.engicam.com/en/products/embedded/som/sodimm/i-core-m6s-dl-d-q

Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>

arch/arm/dts/Makefile

@@ -283,7 +283,8 @@ dtb-$(CONFIG_VF610) += vf500-colibri.dtb \
 	bk4r1.dtb
 
 dtb-$(CONFIG_MX6) += imx6ull-14x14-evk.dtb \
-	imx6dl-icore.dtb
+	imx6dl-icore.dtb \
+	imx6q-icore.dtb
 
 dtb-$(CONFIG_MX7) += imx7-colibri.dtb
 

arch/arm/dts/imx6q-icore.dts

@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2016 Amarula Solutions B.V.
+ * Copyright (C) 2016 Engicam S.r.l.
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This file is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License
+ *     version 2 as published by the Free Software Foundation.
+ *
+ *     This file is distributed in the hope that it will be useful
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED , WITHOUT WARRANTY OF ANY KIND
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+
+#include "imx6q.dtsi"
+#include "imx6qdl-icore.dtsi"
+
+/ {
+	model = "Engicam i.CoreM6 Quad/Dual Starter Kit";
+	compatible = "engicam,imx6-icore", "fsl,imx6q";
+};
+
+&can1 {
+	status = "okay";
+};
+
+&can2 {
+	status = "okay";
+};

board/engicam/icorem6/README

@@ -1,12 +1,19 @@
 How to use U-Boot on Engicam i.CoreM6 DualLite/Solo and Quad/Dual Starter Kit:
 -----------------------------------------------------------------------------
 
-- Build U-Boot for Engicam i.CoreM6 QDL:
+- Configure U-Boot for Engicam i.CoreM6 QDL:
 
 $ make mrproper
 $ make icorem6qdl_mmc_defconfig
+
+- Build for i.CoreM6 DualLite/Solo
+
 $ make
 
+- Build for i.CoreM6 Quad/Dual
+
+$ make DEVICE_TREE=imx6q-icore
+
 This will generate the SPL image called SPL and the u-boot-dtb.img.
 
 - Flash the SPL image into the micro SD card: