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The fusb302 port-controller relies on an external device doing USB2 charger-type detection. The Intel Whiskey Cove PMIC with which the fusb302 is combined on some X86/ACPI platforms already has a charger-type detection driver which uses extcon to communicate the detected charger-type. Rather then inventing a new API for USB2 charger-type detection specifically for use with the tcpm code, this commit simply re-uses the existing extcon API and uses that do USB2 charger detection. Note that the "fcs,extcon-name" property name is only for kernel internal use by X86/ACPI platform code and as such is NOT documented in the fusb302 devicetree bindings. Cc: "Yueyao (Nathan) Zhu" <yueyao@google.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.