[PATCH 0/4] sf: Add documentation and an 'sf mmap' command

This little series adds documentation and a few other tidy-ups to the 'sf' command.

It also provides a way to access memory-mapped SPI via the command line.

Simon Glass (4): command: Use a constant pointer for the help sf: Tidy up code to avoid #ifdef sf: doc: Add documentation for the 'sf' command sf: Provide a command to access memory-mapped SPI

arch/Kconfig | 2 + cmd/Kconfig | 8 ++ cmd/sf.c | 67 ++++++++--- doc/usage/index.rst | 1 + doc/usage/sf.rst | 288 ++++++++++++++++++++++++++++++++++++++++++++ include/command.h | 2 +- 6 files changed, 349 insertions(+), 19 deletions(-) create mode 100644 doc/usage/sf.rst