On Wed, May 17, 2017 at 12:03:48PM +0200, Oleksij Rempel wrote: > Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx> > --- > Documentation/user/nvmem.rst | 30 ++++++++++++++++++++++++++++++ > Documentation/user/user-manual.rst | 1 + > 2 files changed, 31 insertions(+) > create mode 100644 Documentation/user/nvmem.rst Applied, thanks Sascha > > diff --git a/Documentation/user/nvmem.rst b/Documentation/user/nvmem.rst > new file mode 100644 > index 0000000000..f860b80fd5 > --- /dev/null > +++ b/Documentation/user/nvmem.rst > @@ -0,0 +1,30 @@ > +NVMEM subsystem > +=============== > + > +The NVMEM framework was partially ported from linux kernel. > + > +Except from linux kernel documentation: > +*NVMEM* is the abbreviation for Non Volatile Memory layer. It is used to > +retrieve configuration of SOC or Device specific data from non volatile > +memories like eeprom, efuses and so on. > + > +Userspace binary interface > +^^^^^^^^^^^^^^^^^^^^^^^^^^ > + > +Userspace can read/write the raw NVMEM file located at > +/dev/nvmem* > + > +.. code-block:: sh > + > + md -s /dev/nvmem0 0+4 > + 00000000: 00000000 .... > + > + mw -d /dev/nvmem0 0 0x12345678 > + > + md -s /dev/nvmem0 0+4 > + 00000000: 12345678 xV4. > + > +DeviceTree Binding > +^^^^^^^^^^^^^^^^^^ > + > +See linux kernel Documentation/devicetree/bindings/nvmem/nvmem.txt > diff --git a/Documentation/user/user-manual.rst b/Documentation/user/user-manual.rst > index 791c8e0979..b66782ef6a 100644 > --- a/Documentation/user/user-manual.rst > +++ b/Documentation/user/user-manual.rst > @@ -34,6 +34,7 @@ Contents: > system-reset > state > random > + nvmem > > * :ref:`search` > * :ref:`genindex` > -- > 2.11.0 > > > _______________________________________________ > barebox mailing list > barebox@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/barebox > -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
