Re: [PATCH] phy: cpcap-usb: Add CPCAP PMIC USB support

[Sebastian Reichel]

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 <sre@xxxxxxxxxx>

-- Sebastian

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