* Sebastian Reichel <s...@kernel.org> [170321 19:20]: > Hi, > > On Thu, Mar 16, 2017 at 08:51:52PM -0700, Tony Lindgren wrote: > > Some Motorola phones like droid 4 use a custom CPCAP PMIC that has a > > multiplexing USB PHY. > > > > This USB PHY can operate at least in four modes using pin multiplexing > > and two control GPIOS: > > > > - Pass through companion PHY for the SoC USB PHY > > - ULPI PHY for the SoC > > - Pass through USB for the modem > > - UART debug console for the SoC > > > > This patch adds support for droid 4 USB PHY and debug UART modes, > > support for other modes can be added later on as needed. > > > > Both peripheral and host mode are working for the USB. The > > host mode depends on the cpcap-charger driver for VBUS. > > > > VBUS and ID pin detection are done using cpcap-adc IIO ADC > > driver. > > I tested UART, USB slave (cdc-ether) & USB host (keyboard & touchpad > from Atrix lapdock) mode with Droid 4: > > Tested-by: Sebastian Reichel <s...@kernel.org>
Thanks for testing. I'll repost v2 shortly with a minor change to use iio_read_channel_processed() instead of iio_read_channel_scale() as the ADC values are processed in the driver and not scaled by the IIO framework. Regards, Tony
