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| author | Scott Wood <scottwood@freescale.com> | 2015-09-14 19:54:07 -0500 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2015-09-24 15:59:00 -0600 |
| commit | 5664f7645d6768da80e0b0d1f47a92d95d33608b (patch) | |
| tree | ff9ab855cf7638b2ac6628c06e244517c52ce25c | |
| parent | e12d74623dd77821c833a6fbb762ad32efc0ffa9 (diff) | |
Docs/kernel-parameters: Add earlycon devicetree usage
This form of the earlycon parameter was added by commit fb11ffe74c794a5
("of/fdt: add FDT serial scanning for earlycon") without documentation.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| -rw-r--r-- | Documentation/kernel-parameters.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 945bc0de7f07..7a01cc0b0b31 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -973,6 +973,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted. earlycon= [KNL] Output early console device and options. + When used with no options, the early console is + determined by the stdout-path property in device + tree's chosen node. + cdns,<addr> Start an early, polled-mode console on a cadence serial port at the specified address. The cadence serial port |