sunxi: add Orange Pi R1 support

The following features are working and tested:
* both Ethernet ports
* MMC
* LED

The following features are not working:
* Wifi (There is a crappy driver we could port)
* SPI flash (I haven't looked into this)

I haven't tried out the rest.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

2 files changed, 206 insertions, 0 deletions

diff --git a/target/linux/sunxi/image/cortex-a7.mk b/target/linux/sunxi/image/cortex-a7.mk
index ecf376fbe4..29c30ef494 100644
--- a/target/linux/sunxi/image/cortex-a7.mk
+++ b/target/linux/sunxi/image/cortex-a7.mk
@@ -108,6 +108,16 @@ endef
 TARGET_DEVICES += sun6i-a31-m9
 
 
+define Device/sun8i-h2-plus-orangepi-r1
+  DEVICE_TITLE:=Xunlong Orange Pi R1
+  DEVICE_PACKAGES:=kmod-rtc-sunxi kmod-usb-net kmod-usb-net-rtl8152
+  SUPPORTED_DEVICES:=xunlong,orangepi-r1
+  SUNXI_DTS:=sun8i-h2-plus-orangepi-r1
+endef
+
+TARGET_DEVICES += sun8i-h2-plus-orangepi-r1
+
+
 define Device/sun8i-h3-orangepi-plus
   DEVICE_TITLE:=Xunlong Orange Pi Plus
   DEVICE_PACKAGES:=kmod-rtc-sunxi
diff --git a/target/linux/sunxi/patches-4.9/200-ARM-dts-sunxi-add-support-for-Orange-Pi-R1-board.patch b/target/linux/sunxi/patches-4.9/200-ARM-dts-sunxi-add-support-for-Orange-Pi-R1-board.patch
new file mode 100644
index 0000000000..7e92a565fa
--- /dev/null
+++ b/target/linux/sunxi/patches-4.9/200-ARM-dts-sunxi-add-support-for-Orange-Pi-R1-board.patch
@@ -0,0 +1,196 @@
+From daf75255fb67bf44db178e4c95a803b7972ed670 Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Tue, 26 Sep 2017 22:29:06 +0200
+Subject: ARM: dts: sunxi: add support for Orange Pi R1 board
+
+Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+---
+ arch/arm/boot/dts/Makefile                      |   1 +
+ arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts | 171 ++++++++++++++++++++++++
+ 2 files changed, 172 insertions(+)
+ create mode 100644 arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts
+
+--- a/arch/arm/boot/dts/Makefile
++++ b/arch/arm/boot/dts/Makefile
+@@ -819,6 +819,7 @@ dtb-$(CONFIG_MACH_SUN8I) += \
+ 	sun8i-a33-sinlinx-sina33.dtb \
+ 	sun8i-a83t-allwinner-h8homlet-v2.dtb \
+ 	sun8i-a83t-cubietruck-plus.dtb \
++	sun8i-h2-plus-orangepi-r1.dtb \
+ 	sun8i-h3-bananapi-m2-plus.dtb \
+ 	sun8i-h3-nanopi-neo.dtb \
+ 	sun8i-h3-orangepi-2.dtb \
+--- /dev/null
++++ b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts
+@@ -0,0 +1,171 @@
++/*
++ * Copyright (C) 2017 Hauke Mehrtens <hauke@hauke-m.de>
++ *
++ * Based on sun8i-h2-plus-orangepi-zero.dts, which is:
++ *   Copyright (C) 2016 Icenowy Zheng <icenowy@aosc.xyz>
++ *
++ * Based on sun8i-h3-orangepi-one.dts, which is:
++ *   Copyright (C) 2016 Hans de Goede <hdegoede@redhat.com>
++ *
++ * 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 file 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 file 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.
++ *
++ * 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 "sun8i-h3.dtsi"
++#include "sunxi-common-regulators.dtsi"
++
++#include <dt-bindings/gpio/gpio.h>
++#include <dt-bindings/input/input.h>
++#include <dt-bindings/pinctrl/sun4i-a10.h>
++
++/ {
++	model = "Xunlong Orange Pi R1";
++	compatible = "xunlong,orangepi-r1", "allwinner,sun8i-h2-plus";
++
++	aliases {
++		serial0 = &uart0;
++		/* ethernet0 is the H3 emac, defined in sun8i-h3.dtsi */
++		ethernet0 = &emac;
++		ethernet1 = &xr819;
++	};
++
++	chosen {
++		stdout-path = "serial0:115200n8";
++	};
++
++	leds {
++		compatible = "gpio-leds";
++
++		pwr_led {
++			label = "orangepi:green:pwr";
++			gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>;
++			default-state = "on";
++		};
++
++		status_led {
++			label = "orangepi:red:status";
++			gpios = <&pio 0 17 GPIO_ACTIVE_HIGH>;
++		};
++	};
++
++	reg_vcc_wifi: reg_vcc_wifi {
++		compatible = "regulator-fixed";
++		regulator-min-microvolt = <3300000>;
++		regulator-max-microvolt = <3300000>;
++		regulator-name = "vcc-wifi";
++		enable-active-high;
++		gpio = <&pio 0 20 GPIO_ACTIVE_HIGH>;
++	};
++
++	wifi_pwrseq: wifi_pwrseq {
++		compatible = "mmc-pwrseq-simple";
++		reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>;
++		post-power-on-delay-ms = <200>;
++	};
++};
++
++&ehci1 {
++	status = "okay";
++};
++
++&emac {
++	phy-handle = <&int_mii_phy>;
++	phy-mode = "mii";
++	allwinner,leds-active-low;
++	status = "okay";
++};
++
++&mmc0 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&mmc0_pins_a>;
++	vmmc-supply = <&reg_vcc3v3>;
++	bus-width = <4>;
++	cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
++	cd-inverted;
++	status = "okay";
++};
++
++&mmc1 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&mmc1_pins_a>;
++	vmmc-supply = <&reg_vcc_wifi>;
++	mmc-pwrseq = <&wifi_pwrseq>;
++	bus-width = <4>;
++	non-removable;
++	status = "okay";
++
++	/*
++	 * Explicitly define the sdio device, so that we can add an ethernet
++	 * alias for it (which e.g. makes u-boot set a mac-address).
++	 */
++	xr819: sdio_wifi@1 {
++		reg = <1>;
++	};
++};
++
++&mmc1_pins_a {
++	bias-pull-up;
++};
++
++&ohci1 {
++	status = "okay";
++};
++
++&uart0 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&uart0_pins_a>;
++	status = "okay";
++};
++
++&uart1 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&uart1_pins>;
++	status = "disabled";
++};
++
++&uart2 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&uart2_pins>;
++	status = "disabled";
++};
++
++&usbphy {
++	/* USB VBUS is always on */
++	status = "okay";
++};