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ModemManager likes to play with serial ports it shouldn't
play with, mark our serial ports as off limits.
This also bumps the ordering of this rules file just past
the udev default rules because it uses environment variables
populated by that file.
Signed-off-by: Anton Staaf <robotboy@chromium.org>
BRANCH=None
BUG=None
TEST=install new rules file, delete old rules file
verify that symlinks to TTY's are still created
verify that ModemManager leaves them alone now
Change-Id: I4ded95192d78b5b1bbc661ca5b762e18307d2d60
Reviewed-on: https://chromium-review.googlesource.com/269743
Trybot-Ready: Anton Staaf <robotboy@chromium.org>
Tested-by: Anton Staaf <robotboy@chromium.org>
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Commit-Queue: Anton Staaf <robotboy@chromium.org>
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This udev rule creates a directory in /dev/google for each
device attached. The name of the directory is unique to the
device and is prefixed with the device product name. Within
the directory there is a serial directory that contains
symlinks to each USB serial port exposed by the device. The
symlinks are named based on the USB interface name provided
by the EC. Additional subdirectories can be added for I2C,
JTAG, GPIOs, and SPI as needed.
Signed-off-by: Anton Staaf <robotboy@chromium.org>
BRANCH=None
BUG=None
TEST=Verify that two different CCD devices generate uniquely named
entries.
Change-Id: I7e6f2ace29b7302c7c072bcf6aab7c8f060b993a
Reviewed-on: https://chromium-review.googlesource.com/260420
Trybot-Ready: Anton Staaf <robotboy@chromium.org>
Tested-by: Anton Staaf <robotboy@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Commit-Queue: Anton Staaf <robotboy@chromium.org>
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This is a simple kernel module and Makefile for
building it out of tree. This module just uses
the existing kernel usb serial driver and probes
for the Google VID/Class/SubClass/Protocol that
identifies a valid simple serial interface.
This code should be rolled into the existing kernel
driver at: drivers/usb/serial/usb-serial-simple.c
While that happens, this module is still useful to
developers.
Signed-off-by: Anton Staaf <robotboy@chromium.org>
BRANCH=None
BUG=None
TEST=cd extra/usb_serial; make; sudo insmod raiden.ko
Connect the discovery-stm32f072 over USB and see
that its console is discovered and works.
Change-Id: I83661b816643c43b3e2dc9fdc825bc3a796af2f4
Reviewed-on: https://chromium-review.googlesource.com/225923
Reviewed-by: Olof Johansson <olofj@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Anton Staaf <robotboy@chromium.org>
Commit-Queue: Anton Staaf <robotboy@chromium.org>
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