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 3ee608b5b465eb61c7c95ea59ec67b626d1072ac..66ea0b33d58106d7f2d57b74b5b91993b41c2023 100644 (file)
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -271,6 +271,7 @@ dtb-$(CONFIG_MACH_SUN8I_A83T) += \
        sun8i-a83t-cubietruck-plus.dtb \
        sun8i-a83t-sinovoip-bpi-m3.dtb
 dtb-$(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 (file)
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 = <&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>;
+       };
+};
+
+&ohci1 {
+       status = "okay";
+};
+
+&uart0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&uart0_pins_a>;
+       status = "okay";
+};
+
+&usbphy {
+       /* USB VBUS is always on */
+       status = "okay";
+};