ARM: dts: imx6qdl-hummingboard2: add v1.5 som without eMMC

Add support for the v1.5 SOM with TI Wi-Fi but without eMMC. As the
pinmux settings are different for the microsom, we need to use a
separate board-level dts for this as there is no support for overlays.

Signed-off-by: Russell King <[e-mail]>
Reviewed-by: Fabio Estevam <[e-mail]>
Signed-off-by: Shawn Guo <[e-mail]>

arch/arm/boot/dts/Makefile

···
 	imx6dl-hummingboard-emmc-som-v15.dtb \
 	imx6dl-hummingboard-som-v15.dtb \
 	imx6dl-hummingboard2.dtb \
+	imx6dl-hummingboard2-som-v15.dtb \
 	imx6dl-icore.dtb \
 	imx6dl-icore-rqs.dtb \
 	imx6dl-nit6xlite.dtb \
···
 	imx6q-hummingboard-emmc-som-v15.dtb \
 	imx6q-hummingboard-som-v15.dtb \
 	imx6q-hummingboard2.dtb \
+	imx6q-hummingboard2-som-v15.dtb \
 	imx6q-icore.dtb \
 	imx6q-icore-ofcap10.dtb \
 	imx6q-icore-ofcap12.dtb \

arch/arm/boot/dts/imx6dl-hummingboard2-som-v15.dts

···
+/*
+ * Device Tree file for SolidRun HummingBoard2
+ * Copyright (C) 2015 Rabeeh Khoury <[e-mail]>
+ * Based on work by Russell King
+ *
+ * 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 as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License.
+ *
+ *     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 "imx6dl.dtsi"
+#include "imx6qdl-sr-som.dtsi"
+#include "imx6qdl-sr-som-ti.dtsi"
+#include "imx6qdl-hummingboard2.dtsi"
+
+/ {
+	model = "SolidRun HummingBoard2 Solo/DualLite (1.5som)";
+	compatible = "solidrun,hummingboard2/dl", "fsl,imx6dl";
+};

arch/arm/boot/dts/imx6q-hummingboard2-som-v15.dts

···
+/*
+ * Device Tree file for SolidRun HummingBoard2
+ * Copyright (C) 2015 Rabeeh Khoury <[e-mail]>
+ * Based on work by Russell King
+ *
+ * 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 as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License.
+ *
+ *     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-sr-som.dtsi"
+#include "imx6qdl-sr-som-ti.dtsi"
+#include "imx6qdl-hummingboard2.dtsi"
+
+/ {
+	model = "SolidRun HummingBoard2 Dual/Quad (1.5som)";
+	compatible = "solidrun,hummingboard2/q", "fsl,imx6q";
+};
+
+&sata {
+	status = "okay";
+	fsl,transmit-level-mV = <1104>;
+	fsl,transmit-boost-mdB = <0>;
+	fsl,transmit-atten-16ths = <9>;
+	fsl,no-spread-spectrum;
+};