Update the .dts file for the OrangePi Zero board, using the H2+ SoC.
This is as of v4.15-rc9, exactly Linux commit:
commit 4904337fe34fa7fc529d6f4d9ee8b96fe7db310a
Author: Corentin Labbe <clabbe.montj...@gmail.com>
Date:   Tue Oct 31 09:19:12 2017 +0100
    ARM: dts: sunxi: Restore EMAC changes (boards)

Signed-off-by: Andre Przywara <andre.przyw...@arm.com>
Acked-by: Maxime Ripard <maxime.rip...@bootlin.com>
---
 arch/arm/dts/sun8i-h2-plus-orangepi-zero.dts | 52 ++++++++++++++++++++++++++--
 1 file changed, 50 insertions(+), 2 deletions(-)

diff --git a/arch/arm/dts/sun8i-h2-plus-orangepi-zero.dts 
b/arch/arm/dts/sun8i-h2-plus-orangepi-zero.dts
index e0efcb3ba3..6713d0f2b3 100644
--- a/arch/arm/dts/sun8i-h2-plus-orangepi-zero.dts
+++ b/arch/arm/dts/sun8i-h2-plus-orangepi-zero.dts
@@ -49,7 +49,6 @@
 
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
-#include <dt-bindings/pinctrl/sun4i-a10.h>
 
 / {
        model = "Xunlong Orange Pi Zero";
@@ -58,6 +57,7 @@
        aliases {
                serial0 = &uart0;
                /* ethernet0 is the H3 emac, defined in sun8i-h3.dtsi */
+               ethernet0 = &emac;
                ethernet1 = &xr819;
        };
 
@@ -92,9 +92,14 @@
        wifi_pwrseq: wifi_pwrseq {
                compatible = "mmc-pwrseq-simple";
                reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>;
+               post-power-on-delay-ms = <200>;
        };
 };
 
+&ehci0 {
+       status = "okay";
+};
+
 &ehci1 {
        status = "okay";
 };
@@ -134,17 +139,60 @@
        };
 };
 
+&mmc1_pins_a {
+       bias-pull-up;
+};
+
+&ohci0 {
+       status = "okay";
+};
+
 &ohci1 {
        status = "okay";
 };
 
+&spi0 {
+       /* Disable SPI NOR by default: it optional on Orange Pi Zero boards */
+       status = "disabled";
+
+       flash@0 {
+               #address-cells = <1>;
+               #size-cells = <1>;
+               compatible = "mxicy,mx25l1606e", "winbond,w25q128";
+               reg = <0>;
+               spi-max-frequency = <40000000>;
+       };
+};
+
 &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";
+};
+
+&usb_otg {
+       dr_mode = "peripheral";
+       status = "okay";
+};
+
 &usbphy {
-       /* USB VBUS is always on */
+       /*
+        * USB Type-A port VBUS is always on. However, MicroUSB VBUS can only
+        * power up the board; when it's used as OTG port, this VBUS is
+        * always off even if the board is powered via GPIO pins.
+        */
        status = "okay";
+       usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
 };
-- 
2.14.1

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