From: stefan.wahren@i2se.com (Stefan Wahren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 2/4] nvmem: NXP LPC18xx EEPROM memory NVMEM driver
Date: Tue, 17 Nov 2015 22:30:19 +0100 (CET) [thread overview]
Message-ID: <1326700858.341668.1447795819246.JavaMail.open-xchange@oxbaltgw05.schlund.de> (raw)
In-Reply-To: <1447790576-29410-3-git-send-email-ariel@vanguardiasur.com.ar>
> Ariel D'Alessandro <ariel@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@vanguardiasur.com.ar>
Acked-by: Stefan Wahren <stefan.wahren@i2se.com>
Btw Rob Herring acked [PATCH v3 1/4] yesterday.
next prev parent reply other threads:[~2015-11-17 21:30 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-17 20:02 [PATCH v4 0/4] Add support for NXP LPC18xx EEPROM using nvmem Ariel D'Alessandro
2015-11-17 20:02 ` [PATCH v4 1/4] DT: nvmem: Add NXP LPC18xx EEPROM memory binding documentation Ariel D'Alessandro
2015-11-17 20:02 ` [PATCH v4 2/4] nvmem: NXP LPC18xx EEPROM memory NVMEM driver Ariel D'Alessandro
2015-11-17 21:30 ` Stefan Wahren [this message]
2015-11-17 20:02 ` [PATCH v4 3/4] ARM: dts: lpc18xx: add EEPROM memory node Ariel D'Alessandro
2015-12-14 10:05 ` Srinivas Kandagatla
2015-12-14 17:13 ` Joachim Eastwood
2015-11-17 20:02 ` [PATCH v4 4/4] ARM: configs: lpc18xx: enable EEPROM NVMEM driver Ariel D'Alessandro
2016-01-11 12:15 ` [PATCH v4 0/4] Add support for NXP LPC18xx EEPROM using nvmem Ariel D'Alessandro
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