sunxi: add proper device tree for Orange Pi Zero boards
Add a proper device tree file for Orange Pi Zero boards from Xunlong,
which come with a Allwinner H2+ SoC (similar to H3).
Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
Reviewed-by: Jagan Teki <jagan@openedev.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 3ee608b..66ea0b3 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -271,6 +271,7 @@
sun8i-a83t-cubietruck-plus.dtb \
sun8i-a83t-sinovoip-bpi-m3.dtb
dtb-$(CONFIG_MACH_SUN8I_H3) += \
+ sun8i-h2-plus-orangepi-zero.dtb \
sun8i-h3-bananapi-m2-plus.dtb \
sun8i-h3-orangepi-2.dtb \
sun8i-h3-orangepi-lite.dtb \
diff --git a/arch/arm/dts/sun8i-h2-plus-orangepi-zero.dts b/arch/arm/dts/sun8i-h2-plus-orangepi-zero.dts
new file mode 100644
index 0000000..0989434
--- /dev/null
+++ b/arch/arm/dts/sun8i-h2-plus-orangepi-zero.dts
@@ -0,0 +1,143 @@
+/*
+ * 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 Zero";
+ compatible = "xunlong,orangepi-zero", "allwinner,sun8i-h2-plus";
+
+ aliases {
+ serial0 = &uart0;
+ /* ethernet0 is the H3 emac, defined in sun8i-h3.dtsi */
+ 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>;
+ };
+};
+
+&ehci1 {
+ status = "okay";
+};
+
+&mmc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_pins_a>;
+ vmmc-supply = <®_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 = <®_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>;
+ };
+};
+
+&ohci1 {
+ status = "okay";
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pins_a>;
+ status = "okay";
+};
+
+&usbphy {
+ /* USB VBUS is always on */
+ status = "okay";
+};