sunxi: Ainol AW1 support

The Ainol AW1 is an A20 based tablet with a 800x480 lcd screen, sdio wifi,
volume up/down and home buttons, micro-sd slot, micro usb (otg), headphones
connector and a SPCI modem connector.

Also see: http://linux-sunxi.org/Ainol_AW1

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

board/sunxi/MAINTAINERS

@@ -51,6 +51,11 @@ S:	Maintained
 F:	board/sunxi/dram_a20_olinuxino_l2.c
 F:	configs/A20-OLinuXino-Lime2_defconfig
 
+AINOL AW1 BOARD
+M:	Paul Kocialkowski <contact@paulk.fr>
+S:	Maintained
+F:	configs/Ainol_AW1_defconfig
+
 AMPE A76 BOARD
 M:	Paul Kocialkowski <contact@paulk.fr>
 S:	Maintained

configs/Ainol_AW1_defconfig

@@ -0,0 +1,21 @@
+# The Ainol AW1 is an A20 based tablet with a 800x480 lcd screen, sdio wifi,
+# volume up/down and home buttons, micro-sd slot, micro usb (otg), headphones    
+# connector and a SPCI modem connector.
+#
+# Also see: http://linux-sunxi.org/Ainol_AW1
+CONFIG_SPL=y
+CONFIG_SYS_EXTRA_OPTIONS="AXP209_POWER"
+CONFIG_FDTFILE="sun7i-a20-ainol-aw1.dtb"
+CONFIG_USB_MUSB_SUNXI=y
+CONFIG_USB0_VBUS_PIN="PB9"
+CONFIG_USB0_VBUS_DET="AXP0-VBUS-DETECT"
+CONFIG_VIDEO_LCD_MODE="x:800,y:480,depth:18,pclk_khz:40000,le:87,ri:112,up:38,lo:141,hs:1,vs:1,sync:3,vmode:0"
+CONFIG_VIDEO_LCD_POWER="PH8"
+CONFIG_VIDEO_LCD_BL_EN="PH7"
+CONFIG_VIDEO_LCD_BL_PWM="PB2"
+CONFIG_ARM=y
+CONFIG_ARCH_SUNXI=y
+CONFIG_MACH_SUN7I=y
+CONFIG_DRAM_CLK=432
+CONFIG_DRAM_ZQ=123
+CONFIG_DRAM_EMR1=4