[PATCH v4 2/4] nvmem: NXP LPC18xx EEPROM memory NVMEM driver

Stefan Wahren stefan.wahren at i2se.com
Tue Nov 17 13:30:19 PST 2015


> Ariel D'Alessandro <ariel at vanguardiasur.com.ar> hat am 17. November 2015 um
> 21:02 geschrieben:
>
>
> This commit adds support for NXP LPC18xx EEPROM memory found in NXP
> LPC185x/3x and LPC435x/3x/2x/1x devices.
>
> EEPROM size is 16384 bytes and it can be entirely read and
> written/erased with 1 word (4 bytes) granularity. The last page
> (128 bytes) contains the EEPROM initialization data and is not writable.
>
> Erase/program time is less than 3ms. The EEPROM device requires a
> ~1500 kHz clock (min 800 kHz, max 1600 kHz) that is generated dividing
> the system bus clock by the division factor, contained in the divider
> register (minus 1 encoded).
>
> EEPROM will be kept in Power Down mode except during read/write calls.
>
> Signed-off-by: Ariel D'Alessandro <ariel at vanguardiasur.com.ar>

Acked-by: Stefan Wahren <stefan.wahren at i2se.com>

Btw Rob Herring acked [PATCH v3 1/4] yesterday.



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