Add a little documentation for the config command and its new ability to filter the output.
Signed-off-by: Rasmus Villemoes <[email protected]> --- doc/usage/cmd/config.rst | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 doc/usage/cmd/config.rst diff --git a/doc/usage/cmd/config.rst b/doc/usage/cmd/config.rst new file mode 100644 index 00000000000..bd8aa65ddbc --- /dev/null +++ b/doc/usage/cmd/config.rst @@ -0,0 +1,40 @@ +.. SPDX-License-Identifier: GPL-2.0 + +.. index:: + single: config (command) + +config command +============== + +Synopsis +-------- + +:: + + config [<str>] + +Description +----------- + +The config command prints the `.config` file used when building U-Boot +to the console. Note that the `.config` file is usually several 1000 +lines long. + +If the optional argument is given, only lines containing that string +(case insensitively) are printed. That can be useful if one wants to +check whether a specific option is enabled, or just to limit the +output to the subsystem of interest. + +The `.config` file is stored inside the U-Boot binary in +gzip-compressed format. + +Examples +-------- + +.. code-block:: bash + + # Print the entire .config + config + + # Print all lines related to pinctrl + config pinctrl -- 2.55.0
