The RTL8152B USB controller needs a 3.3 volt power supply which is
controlled by PAD20. Without this patch Linux will not see that there is
a device connected to the USB bus and the 2. USB port will not work.
I do not of a better solution to add a regulator to a USB device.
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts
index 32a6d312422e..1d5db0e0bd12 100644
--- a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts
+++ b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-r1.dts
@@ -47,13 +47,15 @@
model = "Xunlong Orange Pi R1";
compatible = "xunlong,orangepi-r1", "allwinner,sun8i-h2-plus";
- /delete-node/ reg_vcc_wifi;
-
aliases {
ethernet1 = &rtl8189etv;
};
};
+®_vcc_wifi {
+ regulator-always-on;
+};
+
&ohci1 {
/*
* RTL8152B USB-Ethernet adapter is connected to USB1,
--
2.11.0
--
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