在 2017年12月28日星期四 CST 下午8:52:22,Hauke Mehrtens 写道: > 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.
I have one. Please check the patch I will send you soon. > > Signed-off-by: Hauke Mehrtens <ha...@hauke-m.de> > --- > 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, -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.