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From b76dc5927f6442df913f03ed261c5bff18a98df6 Mon Sep 17 00:00:00 2001
From: Icenowy Zheng <icenowy@aosc.io>
Date: Thu, 28 Dec 2017 21:01:56 +0800
Subject: [PATCH] ARM: dts: sun8i: fix USB Ethernet of Orange Pi R1

Orange Pi R1 uses a Realtek RTL8152B USB Ethernet chip, which is easily
seen on the board but not show in the schematics. A regulator for the
power of the RTL8152B chip is hidden, which uses the same pin with the
Wi-Fi regulator on the original Orange Pi Zero.

Add this regulator back to the device tree, and bind it to USB1.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
---
 arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

--- a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts
+++ b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts
@@ -49,6 +49,20 @@
 
        /delete-node/ reg_vcc_wifi;
 
+       /*
+        * Ths pin of this regulator is the same with the Wi-Fi extra
+        * regulator on the original Zero. However it's used for USB
+        * Ethernet rather than the Wi-Fi now.
+        */
+       reg_vcc_usb_eth: reg-vcc-usb-ethernet {
+               compatible = "regulator-fixed";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+               regulator-name = "vcc-usb-ethernet";
+               enable-active-high;
+               gpio = <&pio 0 20 GPIO_ACTIVE_HIGH>;
+       };
+
        aliases {
                ethernet1 = &rtl8189etv;
        };
@@ -71,3 +85,7 @@
                reg = <1>;
        };
 };
+
+&usbphy {
+       usb1_vbus-supply = <&reg_vcc_usb_eth>;
+};
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