Kconfig 3.4 KB

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  1. menu "EEPROM support"
  2. config EEPROM_AT24
  3. tristate "I2C EEPROMs / RAMs / ROMs from most vendors"
  4. depends on I2C && SYSFS
  5. select NVMEM
  6. help
  7. Enable this driver to get read/write support to most I2C EEPROMs
  8. and compatible devices like FRAMs, SRAMs, ROMs etc. After you
  9. configure the driver to know about each chip on your target
  10. board. Use these generic chip names, instead of vendor-specific
  11. ones like at24c64, 24lc02 or fm24c04:
  12. 24c00, 24c01, 24c02, spd (readonly 24c02), 24c04, 24c08,
  13. 24c16, 24c32, 24c64, 24c128, 24c256, 24c512, 24c1024
  14. Unless you like data loss puzzles, always be sure that any chip
  15. you configure as a 24c32 (32 kbit) or larger is NOT really a
  16. 24c16 (16 kbit) or smaller, and vice versa. Marking the chip
  17. as read-only won't help recover from this. Also, if your chip
  18. has any software write-protect mechanism you may want to review the
  19. code to make sure this driver won't turn it on by accident.
  20. If you use this with an SMBus adapter instead of an I2C adapter,
  21. full functionality is not available. Only smaller devices are
  22. supported (24c16 and below, max 4 kByte).
  23. This driver can also be built as a module. If so, the module
  24. will be called at24.
  25. config EEPROM_AT25
  26. tristate "SPI EEPROMs from most vendors"
  27. depends on SPI && SYSFS
  28. select NVMEM
  29. help
  30. Enable this driver to get read/write support to most SPI EEPROMs,
  31. after you configure the board init code to know about each eeprom
  32. on your target board.
  33. This driver can also be built as a module. If so, the module
  34. will be called at25.
  35. config EEPROM_LEGACY
  36. tristate "Old I2C EEPROM reader"
  37. depends on I2C && SYSFS
  38. help
  39. If you say yes here you get read-only access to the EEPROM data
  40. available on modern memory DIMMs and Sony Vaio laptops via I2C. Such
  41. EEPROMs could theoretically be available on other devices as well.
  42. This driver can also be built as a module. If so, the module
  43. will be called eeprom.
  44. config EEPROM_MAX6875
  45. tristate "Maxim MAX6874/5 power supply supervisor"
  46. depends on I2C
  47. help
  48. If you say yes here you get read-only support for the user EEPROM of
  49. the Maxim MAX6874/5 EEPROM-programmable, quad power-supply
  50. sequencer/supervisor.
  51. All other features of this chip should be accessed via i2c-dev.
  52. This driver can also be built as a module. If so, the module
  53. will be called max6875.
  54. config EEPROM_93CX6
  55. tristate "EEPROM 93CX6 support"
  56. help
  57. This is a driver for the EEPROM chipsets 93c46 and 93c66.
  58. The driver supports both read as well as write commands.
  59. If unsure, say N.
  60. config EEPROM_93XX46
  61. tristate "Microwire EEPROM 93XX46 support"
  62. depends on SPI && SYSFS
  63. select REGMAP
  64. select NVMEM
  65. help
  66. Driver for the microwire EEPROM chipsets 93xx46x. The driver
  67. supports both read and write commands and also the command to
  68. erase the whole EEPROM.
  69. This driver can also be built as a module. If so, the module
  70. will be called eeprom_93xx46.
  71. If unsure, say N.
  72. config EEPROM_DIGSY_MTC_CFG
  73. bool "DigsyMTC display configuration EEPROMs device"
  74. depends on GPIO_MPC5200 && SPI_GPIO
  75. help
  76. This option enables access to display configuration EEPROMs
  77. on digsy_mtc board. You have to additionally select Microwire
  78. EEPROM 93XX46 driver. sysfs entries will be created for that
  79. EEPROM allowing to read/write the configuration data or to
  80. erase the whole EEPROM.
  81. If unsure, say N.
  82. endmenu