From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH] phy: cpcap-usb: Add CPCAP PMIC USB support Date: Wed, 22 Mar 2017 14:59:36 -0700 Message-ID: <20170322215935.GG10760@atomide.com> References: <20170317035152.18307-1-tony@atomide.com> <20170322021828.wkbx3es6dpuur42y@earth> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20170322021828.wkbx3es6dpuur42y@earth> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Sebastian Reichel Cc: Kishon Vijay Abraham I , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Marcel Partap , Michael Scott List-Id: devicetree@vger.kernel.org * Sebastian Reichel [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 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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html