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authorAriel D'Alessandro <ariel@vanguardiasur.com.ar>2015-12-07 10:57:39 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-07 23:04:57 -0800
commitf02f8aee211a1fc035cd3f87af8a39126eda1c20 (patch)
tree83deb842a8e511b40748c295837a3a2e9c3c2b6c /drivers/nvmem/Kconfig
parent4020d07e917854c4300092c12503a382315ea844 (diff)
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nvmem: NXP LPC18xx EEPROM memory NVMEM driver
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> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/nvmem/Kconfig')
-rw-r--r--drivers/nvmem/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/nvmem/Kconfig b/drivers/nvmem/Kconfig
index bc4ea585b42e..6ff1b5051ae1 100644
--- a/drivers/nvmem/Kconfig
+++ b/drivers/nvmem/Kconfig
@@ -25,6 +25,15 @@ config NVMEM_IMX_OCOTP
This driver can also be built as a module. If so, the module
will be called nvmem-imx-ocotp.
+config NVMEM_LPC18XX_EEPROM
+ tristate "NXP LPC18XX EEPROM Memory Support"
+ depends on ARCH_LPC18XX || COMPILE_TEST
+ help
+ Say Y here to include support for NXP LPC18xx EEPROM memory found in
+ NXP LPC185x/3x and LPC435x/3x/2x/1x devices.
+ To compile this driver as a module, choose M here: the module
+ will be called nvmem_lpc18xx_eeprom.
+
config NVMEM_MXS_OCOTP
tristate "Freescale MXS On-Chip OTP Memory Support"
depends on ARCH_MXS || COMPILE_TEST