15195e509SWolfram Sangmenu "EEPROM support" 25195e509SWolfram Sang 3dd7f8dbeSJean Delvareconfig EEPROM_AT24 481e34f91SLars Poeschel tristate "I2C EEPROMs / RAMs / ROMs from most vendors" 5781b8a2aSWolfram Sang depends on I2C && SYSFS 657d15550SAndrew Lunn select NVMEM 7*5c015258SHeiner Kallweit select REGMAP_I2C 85195e509SWolfram Sang help 981e34f91SLars Poeschel Enable this driver to get read/write support to most I2C EEPROMs 1081e34f91SLars Poeschel and compatible devices like FRAMs, SRAMs, ROMs etc. After you 1181e34f91SLars Poeschel configure the driver to know about each chip on your target 1281e34f91SLars Poeschel board. Use these generic chip names, instead of vendor-specific 1381e34f91SLars Poeschel ones like at24c64, 24lc02 or fm24c04: 145195e509SWolfram Sang 155195e509SWolfram Sang 24c00, 24c01, 24c02, spd (readonly 24c02), 24c04, 24c08, 165195e509SWolfram Sang 24c16, 24c32, 24c64, 24c128, 24c256, 24c512, 24c1024 175195e509SWolfram Sang 185195e509SWolfram Sang Unless you like data loss puzzles, always be sure that any chip 195195e509SWolfram Sang you configure as a 24c32 (32 kbit) or larger is NOT really a 205195e509SWolfram Sang 24c16 (16 kbit) or smaller, and vice versa. Marking the chip 215195e509SWolfram Sang as read-only won't help recover from this. Also, if your chip 225195e509SWolfram Sang has any software write-protect mechanism you may want to review the 235195e509SWolfram Sang code to make sure this driver won't turn it on by accident. 245195e509SWolfram Sang 255195e509SWolfram Sang If you use this with an SMBus adapter instead of an I2C adapter, 265195e509SWolfram Sang full functionality is not available. Only smaller devices are 275195e509SWolfram Sang supported (24c16 and below, max 4 kByte). 285195e509SWolfram Sang 295195e509SWolfram Sang This driver can also be built as a module. If so, the module 305195e509SWolfram Sang will be called at24. 315195e509SWolfram Sang 32dd7f8dbeSJean Delvareconfig EEPROM_AT25 33e51d565fSWolfram Sang tristate "SPI EEPROMs from most vendors" 34e51d565fSWolfram Sang depends on SPI && SYSFS 355a99f570SAndrew Lunn select NVMEM 36e51d565fSWolfram Sang help 37e51d565fSWolfram Sang Enable this driver to get read/write support to most SPI EEPROMs, 38e51d565fSWolfram Sang after you configure the board init code to know about each eeprom 39e51d565fSWolfram Sang on your target board. 40e51d565fSWolfram Sang 41e51d565fSWolfram Sang This driver can also be built as a module. If so, the module 42e51d565fSWolfram Sang will be called at25. 43e51d565fSWolfram Sang 44dd7f8dbeSJean Delvareconfig EEPROM_LEGACY 452e157888SWolfram Sang tristate "Old I2C EEPROM reader" 46dd7f8dbeSJean Delvare depends on I2C && SYSFS 472e157888SWolfram Sang help 482e157888SWolfram Sang If you say yes here you get read-only access to the EEPROM data 492e157888SWolfram Sang available on modern memory DIMMs and Sony Vaio laptops via I2C. Such 502e157888SWolfram Sang EEPROMs could theoretically be available on other devices as well. 512e157888SWolfram Sang 522e157888SWolfram Sang This driver can also be built as a module. If so, the module 532e157888SWolfram Sang will be called eeprom. 542e157888SWolfram Sang 554b364f23SWolfram Sangconfig EEPROM_MAX6875 564b364f23SWolfram Sang tristate "Maxim MAX6874/5 power supply supervisor" 5765929215SGreg Kroah-Hartman depends on I2C 584b364f23SWolfram Sang help 594b364f23SWolfram Sang If you say yes here you get read-only support for the user EEPROM of 604b364f23SWolfram Sang the Maxim MAX6874/5 EEPROM-programmable, quad power-supply 614b364f23SWolfram Sang sequencer/supervisor. 624b364f23SWolfram Sang 634b364f23SWolfram Sang All other features of this chip should be accessed via i2c-dev. 644b364f23SWolfram Sang 654b364f23SWolfram Sang This driver can also be built as a module. If so, the module 664b364f23SWolfram Sang will be called max6875. 674b364f23SWolfram Sang 684b364f23SWolfram Sang 690eb6da20SWolfram Sangconfig EEPROM_93CX6 700eb6da20SWolfram Sang tristate "EEPROM 93CX6 support" 710eb6da20SWolfram Sang help 720eb6da20SWolfram Sang This is a driver for the EEPROM chipsets 93c46 and 93c66. 730eb6da20SWolfram Sang The driver supports both read as well as write commands. 740eb6da20SWolfram Sang 750eb6da20SWolfram Sang If unsure, say N. 760eb6da20SWolfram Sang 7706b4501eSAnatolij Gustschinconfig EEPROM_93XX46 7806b4501eSAnatolij Gustschin tristate "Microwire EEPROM 93XX46 support" 7906b4501eSAnatolij Gustschin depends on SPI && SYSFS 801c4b6e2cSAndrew Lunn select REGMAP 811c4b6e2cSAndrew Lunn select NVMEM 8206b4501eSAnatolij Gustschin help 8306b4501eSAnatolij Gustschin Driver for the microwire EEPROM chipsets 93xx46x. The driver 8406b4501eSAnatolij Gustschin supports both read and write commands and also the command to 8506b4501eSAnatolij Gustschin erase the whole EEPROM. 8606b4501eSAnatolij Gustschin 8706b4501eSAnatolij Gustschin This driver can also be built as a module. If so, the module 8806b4501eSAnatolij Gustschin will be called eeprom_93xx46. 8906b4501eSAnatolij Gustschin 9006b4501eSAnatolij Gustschin If unsure, say N. 9106b4501eSAnatolij Gustschin 92469dded1SAnatolij Gustschinconfig EEPROM_DIGSY_MTC_CFG 93469dded1SAnatolij Gustschin bool "DigsyMTC display configuration EEPROMs device" 94001ef5e4SPaul Bolle depends on GPIO_MPC5200 && SPI_GPIO 95469dded1SAnatolij Gustschin help 96469dded1SAnatolij Gustschin This option enables access to display configuration EEPROMs 97469dded1SAnatolij Gustschin on digsy_mtc board. You have to additionally select Microwire 98469dded1SAnatolij Gustschin EEPROM 93XX46 driver. sysfs entries will be created for that 99469dded1SAnatolij Gustschin EEPROM allowing to read/write the configuration data or to 100469dded1SAnatolij Gustschin erase the whole EEPROM. 101469dded1SAnatolij Gustschin 102469dded1SAnatolij Gustschin If unsure, say N. 103469dded1SAnatolij Gustschin 104cfad6425SSerge Seminconfig EEPROM_IDT_89HPESX 105cfad6425SSerge Semin tristate "IDT 89HPESx PCIe-swtiches EEPROM / CSR support" 106cfad6425SSerge Semin depends on I2C && SYSFS 107cfad6425SSerge Semin help 108cfad6425SSerge Semin Enable this driver to get read/write access to EEPROM / CSRs 109cfad6425SSerge Semin over IDT PCIe-swtich i2c-slave interface. 110cfad6425SSerge Semin 111cfad6425SSerge Semin This driver can also be built as a module. If so, the module 112cfad6425SSerge Semin will be called idt_89hpesx. 113cfad6425SSerge Semin 1145195e509SWolfram Sangendmenu 115