ARM: sun8i: dt: Add Ippo-q8h v5 support

The Ippo-q8h is a tablet circuit board commonly found in cheap Android
tablets with A23 SoCs. There are at least 2 versions of the board, with
different peripherals, such as WiFi chips.

Common features among these tablets include 512 MB DRAM, NAND, MMC, LCD,
capacitive touchscreen, accelerometer, 1 or 2 camera sensors, USB OTG,
microphone and speaker.

v5 of these board designs has a ESP8089 WiFi chip (not supported)
connected to mmc1. This patch adds very basic support.
Signed-off-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/Makefile

@@ -380,6 +380,8 @@ dtb-$(CONFIG_MACH_SUN7I) += \
 	sun7i-a20-cubietruck.dtb \
 	sun7i-a20-i12-tvbox.dtb \
 	sun7i-a20-olinuxino-micro.dtb
+dtb-$(CONFIG_MACH_SUN8I) += \
+	sun8i-a23-ippo-q8h-v5.dtb
 dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harmony.dtb \
 	tegra20-iris-512.dtb \
 	tegra20-medcom-wide.dtb \

arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts

+/*
+ * Copyright 2014 Chen-Yu Tsai
+ *
+ * Chen-Yu Tsai <wens@csie.org>
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+/dts-v1/;
+/include/ "sun8i-a23.dtsi"
+
+/ {
+	model = "Ippo Q8H Dual Core Tablet (v5)";
+	compatible = "ippo,q8h-v5", "allwinner,sun8i-a23";
+
+	chosen {
+		bootargs = "earlyprintk console=ttyS0,115200";
+	};
+
+	soc@01c00000 {
+		r_uart: serial@01f02800 {
+			status = "okay";
+		};
+	};
+};