sun6i: Add support for the Mixtile LOFT-Q board

The Mixtile LOFT-Q is an A31 based board with 2G RAM, 8G EMMC, sdio wifi,
1Gbit ethernet, HDMI display, toslink audio plug, 4 USB2.0 port, external
USB2SATA connector, sd card plug, 3x60 external fpic expansion connector,
NXP JN5168 zigbee gw, remote support.

Also see http://focalcrest.com/en/pc.html#pro02

Signed-off-by: Han Pengfei <pengphei@sina.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

board/sunxi/MAINTAINERS

@@ -120,6 +120,11 @@ M:	Ian Campbell <ijc@hellion.org.uk>
 S:	Maintained
 F:	configs/Mele_M5_defconfig
 
+MIXTILE-LOFTQ BOARD
+M:  Phil Han <pengphei@sina.com>
+S:  Maintained
+F:  configs/mixtile_loftq_defconfig
+
 MK808C BOARD
 M:	Marcus Cooper <codekipper@gmail.com>
 S:	Maintained

configs/mixtile_loftq_defconfig

@@ -0,0 +1,21 @@
+# The Mixtile LOFT-Q is an A31 based board with 2G RAM, 8G EMMC, sdio wifi,
+# 1Gbit ethernet, HDMI display, toslink audio plug, 4 USB2.0 port, external
+# USB2SATA connector, sd card plug, 3x60 external fpic expansion connector,
+# NXP JN5168 zigbee gw, remote support.
+#
+# Also see http://focalcrest.com/en/pc.html#pro02
+CONFIG_SPL=y
+CONFIG_SYS_EXTRA_OPTIONS="USB_EHCI,SUNXI_GMAC,RGMII,MACPWR=SUNXI_GPA(21)"
+CONFIG_ARM=y
+CONFIG_ARCH_SUNXI=y
+CONFIG_MACH_SUN6I=y
+CONFIG_DRAM_CLK=312
+CONFIG_DRAM_ZQ=251
+CONFIG_MMC_SUNXI_SLOT=0
+CONFIG_MMC_SUNXI_SLOT_EXTRA=2
+# Wifi power
+CONFIG_AXP221_ALDO1_VOLT=3300
+# Vbus gpio for usb1
+CONFIG_USB1_VBUS_PIN="PH24"
+# No Vbus gpio for usb2
+CONFIG_USB2_VBUS_PIN=""