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author | Jonathan Neuschäfer <j.neuschaefer@gmx.net> | 2020-02-29 14:27:48 +0100 |
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committer | Jonathan Corbet <corbet@lwn.net> | 2020-03-02 12:51:37 -0700 |
commit | 7fe068dba8335ff0f9ec608db9589b1fce4663e0 (patch) | |
tree | 9a8cdfe68fecfea537923deeb67a4661e4525a4c | |
parent | 0a464ea4dc1248e8e640ae0f7eee90b99732eaf0 (diff) | |
download | linux-7fe068dba8335ff0f9ec608db9589b1fce4663e0.tar.bz2 |
docs: admin-guide: kernel-parameters: Document earlycon options for i.MX UARTs
drivers/tty/serial/imx.c implements these earlycon options.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20200229132750.2783-1-j.neuschaefer@gmx.net
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
-rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 56bf9b2a9ddf..3e3fd0d19e53 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -1095,6 +1095,12 @@ A valid base address must be provided, and the serial port must already be setup and configured. + ec_imx21,<addr> + ec_imx6q,<addr> + Start an early, polled-mode, output-only console on the + Freescale i.MX UART at the specified address. The UART + must already be setup and configured. + ar3700_uart,<addr> Start an early, polled-mode console on the Armada 3700 serial port at the specified |