sunxi: Add support for the Forfun Q88DB tablet

The Forfun Q88DB is an A13 tablet in the common Q8 format.

Features are 512MB RAM, 4GB NAND, 7" Display, RTL8188 Wifi, 2 cameras.

For more details see: http://linux-sunxi.org/Forfun_Q88DB

Signed-off-by: Jens Lucius <info@jenslucius.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Signed-off-by: Ian Campbell <ijc@hellion.org.uk>

board/sunxi/MAINTAINERS

@@ -65,6 +65,11 @@ F:	include/configs/sun7i.h
 F:	configs/Cubieboard2_defconfig
 F:	configs/Cubietruck_defconfig
 
+FORFUN-Q88DB TABLET
+M:	Jens Lucius <info@jenslucius.com>
+S:	Maintained
+F:	configs/forfun_q88db_defconfig
+
 GEMEI-G9 TABLET
 M:	Priit Laes <plaes@plaes.org>
 S:	Maintained

configs/forfun_q88db_defconfig

@@ -0,0 +1,17 @@
+CONFIG_SPL=y
+CONFIG_SYS_EXTRA_OPTIONS="AXP209_POWER"
+CONFIG_FDTFILE="sun5i-a13-forfun-q88db.dtb"
+CONFIG_USB_MUSB_SUNXI=y
+CONFIG_USB0_VBUS_PIN="PG12"
+CONFIG_USB0_VBUS_DET="PG1"
+CONFIG_VIDEO_LCD_MODE="x:800,y:480,depth:18,pclk_khz:33000,le:87,ri:40,up:31,lo:13,hs:1,vs:1,sync:3,vmode:0"
+CONFIG_VIDEO_LCD_POWER="AXP0-0"
+CONFIG_VIDEO_LCD_BL_EN="AXP0-1"
+CONFIG_VIDEO_LCD_BL_PWM="PB2"
++S:CONFIG_ARM=y
++S:CONFIG_ARCH_SUNXI=y
++S:CONFIG_MACH_SUN5I=y
++S:CONFIG_DRAM_CLK=384
++S:CONFIG_DRAM_ZQ=123
++S:CONFIG_DRAM_EMR1=4
+