Hi George, On Sun, Jun 12, 2016 at 5:26 PM, Bin Meng <bmeng...@gmail.com> wrote: > On Sun, Jun 12, 2016 at 4:43 PM, Bin Meng <bmeng...@gmail.com> wrote: >> Hi, >> >> My testing shows that only pin_usb_host_en1 is needed to turn on the >> power on the USB3 port. The USB2 port power is turned on by default. >> > > Seems I was confused by the GPIO pin number mapping. pin_usb_host_en1 > is used to control the USB2 port, while pin_usb_host_en0 is for USB3 > port. So I should say: > > My testing shows that only pin_usb_host_en1 is needed to turn on the > power on the USB2 (upper white) port. The USB3 (bottom blue) port > power is turned on by default. > > [snip]
vinoth eswaran confirmed removing pin_usb_host_en0 node from device tree makes both usb ports work. However, that is just covering the real bug [1] here. Will you take time to prepare a patch that fixes the gpio driver? [1] http://lists.denx.de/pipermail/u-boot/2015-October/229469.html Regards, Bin _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
