Messages in this thread | | | Subject | Re: [PATCH v1 1/1] mux: mux-intel-usb: Add Intel USB Multiplexer driver | From | sathyanarayanan kuppuswamy <> | Date | Tue, 30 May 2017 11:21:00 -0700 |
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Hi Andy,
On 05/30/2017 09:20 AM, Andy Shevchenko wrote: > On Tue, May 30, 2017 at 3:47 AM, > <sathyanarayanan.kuppuswamy@linux.intel.com> wrote: >> From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> >> >> In some Intel SOCs, a single USB port is shared between USB device and > SoCs > >> host controller and an internal mux is used to control the selection of >> port by host/device controllers. This driver adds support for the USB >> internal mux, and all consumers of this mux can use interfaces provided >> by mux subsytem to control the state of the internal mux. >> +config MUX_INTEL_USB >> + tristate "Intel USB Mux" > It's indeed Intel's IP? Register map to control this MUX comes from Intel vendor defined XHCI extended cap region of SOC. > I would rather believe that it is some 3rd > party known IP block with platform specific soldering. I don't think its platform specific support. I believe its a SOC specific thing( mainly for CHT and APL SoCs). >
-- Sathyanarayanan Kuppuswamy Linux kernel developer
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