doc: usage: Group all shell command docs into cmd/ sub-directory

Currently all shell command docs are put in the doc/usage root.
Let's group them into cmd/ sub-directory.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/doc/usage/cmd/reset.rst b/doc/usage/cmd/reset.rst
new file mode 100644
index 00000000000..384d5d60f81
--- /dev/null
+++ b/doc/usage/cmd/reset.rst
@@ -0,0 +1,26 @@
+.. SPDX-License-Identifier: GPL-2.0+
+
+reset command
+=============
+
+Synopsis
+--------
+
+::
+
+    reset [-w]
+
+Description
+-----------
+
+Perform reset of the CPU. By default does COLD reset, which resets CPU,
+DDR and peripherals, on some boards also resets external PMIC.
+
+-w
+    Do warm WARM, reset CPU but keep peripheral/DDR/PMIC active.
+
+
+Return value
+------------
+
+The return value $? is always set to 0 (true).