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e1d9149e83
Before this patch, the Type-C port on the Sapphire board is dead. If setting the 'regulator-always-on' property to 'vcc5v0_typec0' then the port works for about 4 seconds at start-up. This is a sample trace with a memory stick plugged in: 1.- The memory stick LED lights on and kernel reports: [ 4.782999] scsi 0:0:0:0: Direct-Access USB DISK PMAP PQ: 0 ANSI: 4 [ 5.904580] sd 0:0:0:0: [sdb] 3913344 512-byte logical blocks: (2.00 GB/1.87 GiB) [ 5.906860] sd 0:0:0:0: [sdb] Write Protect is off [ 5.908973] sd 0:0:0:0: [sdb] Mode Sense: 23 00 00 00 [ 5.909122] sd 0:0:0:0: [sdb] No Caching mode page found [ 5.911214] sd 0:0:0:0: [sdb] Assuming drive cache: write through [ 5.951585] sdb: sdb1 [ 5.954816] sd 0:0:0:0: [sdb] Attached SCSI removable disk 2.- 4 seconds later the memory stick LED lights off and kernel reports: [ 9.082822] phy phy-ff770000.syscon:usb2-phy@e450.2: charger = USB_DCP_CHARGER 3.- After a minute the kernel reports: [ 71.666761] usb 5-1: USB disconnect, device number 2 It has been checked that, although the LED is off, VBUS is present. If, instead, the dr_mode is changed to host and the phy-supply changed accordingly, then it works. It has only been tested in host mode. Signed-off-by: Vicente Bergas <vicencb@gmail.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.