diff options
Diffstat (limited to 'drivers/mtd/devices/Kconfig')
| -rw-r--r-- | drivers/mtd/devices/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig index 9c613f06623..88f4df04746 100644 --- a/drivers/mtd/devices/Kconfig +++ b/drivers/mtd/devices/Kconfig @@ -59,6 +59,17 @@ config MTD_DATAFLASH Sometimes DataFlash chips are packaged inside MMC-format cards; at this writing, the MMC stack won't handle those. +config MTD_DATAFLASH_OTP + bool "DataFlash OTP support (Security Register)" + depends on MTD_DATAFLASH + select HAVE_MTD_OTP + help + Newer DataFlash chips (revisions C and D) support 128 bytes of + one-time-programmable (OTP) data. The first half may be written + (once) with up to 64 bytes of data, such as a serial number or + other key product data. The second half is programmed with a + unique-to-each-chip bit pattern at the factory. + config MTD_M25P80 tristate "Support most SPI Flash chips (AT26DF, M25P, W25X, ...)" depends on SPI_MASTER && EXPERIMENTAL |