RE: [PATCH v4] phy: rcar-gen3-usb2: add sysfs for usb role swap

Hi Peter-san, > From: Peter Chen > Sent: Wednesday, November 09, 2016 10:39 AM > > On Tue, Nov 08, 2016 at 08:14:58PM +0900, Yoshihiro Shimoda wrote: > > This patch adds sysfs "role" for usb role swap. This parameter can be > > read and write. If you use this file as the following, you can swap >

Re: [PATCH v4] phy: rcar-gen3-usb2: add sysfs for usb role swap

On Tue, Nov 08, 2016 at 08:14:58PM +0900, Yoshihiro Shimoda wrote: > This patch adds sysfs "role" for usb role swap. This parameter can be > read and write. If you use this file as the following, you can swap > the usb role. > > For example: > 1) Connect a usb cable using 2 Salvator-x boards > 2

[PATCH v4] phy: rcar-gen3-usb2: add sysfs for usb role swap

This patch adds sysfs "role" for usb role swap. This parameter can be read and write. If you use this file as the following, you can swap the usb role. For example: 1) Connect a usb cable using 2 Salvator-x boards 2) On A-Device (ID pin is low), you input the following command: # echo periphe