ARM: dts: sun5i: Add DT for HSG H702 tablet board

This is a Q8 format 7 inch tablet with an Allwinner A13 SoC.
It has 512MB DRAM, 4GB NAND flash, an accelerometer, camera,
RTL8188-based WiFi, and micro SD slot for external storage.

It is likely made by a subsidiary of Hanns.G (Hannstar).
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/Makefile

@@ -406,6 +406,7 @@ dtb-$(CONFIG_MACH_SUN4I) += \
 dtb-$(CONFIG_MACH_SUN5I) += \
 	sun5i-a10s-olinuxino-micro.dtb \
 	sun5i-a10s-r7-tv-dongle.dtb \
+	sun5i-a13-hsg-h702.dtb \
 	sun5i-a13-olinuxino.dtb \
 	sun5i-a13-olinuxino-micro.dtb
 dtb-$(CONFIG_MACH_SUN6I) += \

arch/arm/boot/dts/sun5i-a13-hsg-h702.dts

+/*
+ * Copyright 2014 Chen-Yu Tsai <wens@csie.org>
+ *
+ * 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 library 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, or (at your option) any later version.
+ *
+ *     This library 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.
+ *
+ *     You should have received a copy of the GNU General Public
+ *     License along with this library; if not, write to the Free
+ *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ *     MA 02110-1301 USA
+ *
+ * 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 "AS IS", 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/ "sun5i-a13.dtsi"
+/include/ "sunxi-common-regulators.dtsi"
+
+/ {
+	model = "HSG H702";
+	compatible = "hsg,h702", "allwinner,sun5i-a13";
+
+	soc@01c00000 {
+		mmc0: mmc@01c0f000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_h702>;
+			vmmc-supply = <&reg_vcc3v3>;
+			bus-width = <4>;
+			cd-gpios = <&pio 6 0 0>; /* PG0 */
+			cd-inverted;
+			status = "okay";
+		};
+
+		usbphy: phy@01c13400 {
+			/*
+			 * There doesn't seem to be a GPIO for controlling
+			 * usb1 vbus, despite the fex file saying otherwise.
+			 */
+			usb1_vbus-supply = <&reg_vcc5v0>;
+			status = "okay";
+		};
+
+		ehci0: usb@01c14000 {
+			status = "okay";
+		};
+
+		ohci0: usb@01c14400 {
+			status = "okay";
+		};
+
+		pinctrl@01c20800 {
+			mmc0_cd_pin_h702: mmc0_cd_pin@0 {
+				allwinner,pins = "PG0";
+				allwinner,function = "gpio_in";
+				allwinner,drive = <0>;
+				allwinner,pull = <1>;
+			};
+		};
+
+		uart1: serial@01c28400 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&uart1_pins_b>;
+			status = "okay";
+		};
+
+		i2c0: i2c@01c2ac00 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c0_pins_a>;
+			status = "okay";
+
+			axp209: pmic@34 {
+				compatible = "x-powers,axp209";
+				reg = <0x34>;
+				interrupts = <0>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		i2c1: i2c@01c2b000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c1_pins_a>;
+			status = "okay";
+
+			pcf8563: rtc@51 {
+				compatible = "nxp,pcf8563";
+				reg = <0x51>;
+			};
+		};
+
+		i2c2: i2c@01c2b400 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c2_pins_a>;
+			status = "okay";
+		};
+	};
+};