On Wed, Mar 22, 2017 at 04:46:02PM -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. > > Cc: [email protected] > Cc: Marcel Partap <[email protected]> > Cc: Michael Scott <[email protected]> > Tested-by: Sebastian Reichel <[email protected]> > Signed-off-by: Tony Lindgren <[email protected]> > --- > > Changes since v1: > > - Use iio_read_channel_processed() instead of iio_read_channel_scaled() > as changed in the v2 of the ADC driver > > - Keep Tested-by from Sebastian Reichel <[email protected]> as the change > from v1 is trivial > > --- > .../devicetree/bindings/phy/phy-cpcap-usb.txt | 40 ++
Acked-by: Rob Herring <[email protected]> > drivers/phy/Kconfig | 8 + > drivers/phy/Makefile | 1 + > drivers/phy/phy-cpcap-usb.c | 695 > +++++++++++++++++++++ > 4 files changed, 744 insertions(+) > create mode 100644 Documentation/devicetree/bindings/phy/phy-cpcap-usb.txt > create mode 100644 drivers/phy/phy-cpcap-usb.c
