From: Sughosh Ganu Date: Fri, 22 Jul 2022 16:02:08 +0000 (+0530) Subject: doc: rng: Add documentation for the rng command X-Git-Tag: v2022.10~58^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4bdbb54ee5f2abd6ee3d0ec6bcfc627ed7a6cd41;p=platform%2Fkernel%2Fu-boot-spacemit.git doc: rng: Add documentation for the rng command Add a usage document for the 'rng' u-boot command. Signed-off-by: Sughosh Ganu Reviewed-by: Ilias Apalodimas Reviewed-by: Simon Glass Signed-off-by: Ilias Apalodimas --- diff --git a/doc/usage/cmd/rng.rst b/doc/usage/cmd/rng.rst new file mode 100644 index 0000000..1a352da --- /dev/null +++ b/doc/usage/cmd/rng.rst @@ -0,0 +1,26 @@ +.. SPDX-License-Identifier: GPL-2.0+ + +rng command +=========== + +Synopsis +-------- + +:: + + rng [devnum [n]] + +Description +----------- + +The *rng* command reads the random number generator(RNG) device and +prints the random bytes read on the console. A maximum of 64 bytes can +be read in one invocation of the command. + +devnum + The RNG device from which the random bytes are to be + read. Defaults to 0. + +n + Number of random bytes to be read and displayed on the + console. Default value is 0x40. Max value is 0x40. diff --git a/doc/usage/index.rst b/doc/usage/index.rst index 16a3db5..2ba8733 100644 --- a/doc/usage/index.rst +++ b/doc/usage/index.rst @@ -56,6 +56,7 @@ Shell commands cmd/pstore cmd/qfw cmd/reset + cmd/rng cmd/sbi cmd/sf cmd/scp03