| # SPDX-License-Identifier: GPL-2.0-only | |
| menu "EEPROM support" | |
| config EEPROM_AT24 | |
| tristate "I2C EEPROMs / RAMs / ROMs from most vendors" | |
| depends on I2C && SYSFS | |
| select NVMEM | |
| select NVMEM_SYSFS | |
| select REGMAP | |
| select REGMAP_I2C | |
| help | |
| Enable this driver to get read/write support to most I2C EEPROMs | |
| and compatible devices like FRAMs, SRAMs, ROMs etc. After you | |
| configure the driver to know about each chip on your target | |
| board. Use these generic chip names, instead of vendor-specific | |
| ones like at24c64, 24lc02 or fm24c04: | |
| 24c00, 24c01, 24c02, spd (readonly 24c02), 24c04, 24c08, | |
| 24c16, 24c32, 24c64, 24c128, 24c256, 24c512, 24c1024, 24c2048 | |
| Unless you like data loss puzzles, always be sure that any chip | |
| you configure as a 24c32 (32 kbit) or larger is NOT really a | |
| 24c16 (16 kbit) or smaller, and vice versa. Marking the chip | |
| as read-only won't help recover from this. Also, if your chip | |
| has any software write-protect mechanism you may want to review the | |
| code to make sure this driver won't turn it on by accident. | |
| If you use this with an SMBus adapter instead of an I2C adapter, | |
| full functionality is not available. Only smaller devices are | |
| supported (24c16 and below, max 4 kByte). | |
| This driver can also be built as a module. If so, the module | |
| will be called at24. | |
| config EEPROM_AT25 | |
| tristate "SPI EEPROMs (FRAMs) from most vendors" | |
| depends on SPI && SYSFS | |
| select NVMEM | |
| select NVMEM_SYSFS | |
| select SPI_MEM | |
| help | |
| Enable this driver to get read/write support to most SPI EEPROMs | |
| and Cypress FRAMs, | |
| after you configure the board init code to know about each eeprom | |
| on your target board. | |
| This driver can also be built as a module. If so, the module | |
| will be called at25. | |
| config EEPROM_MAX6875 | |
| tristate "Maxim MAX6874/5 power supply supervisor" | |
| depends on I2C | |
| help | |
| If you say yes here you get read-only support for the user EEPROM of | |
| the Maxim MAX6874/5 EEPROM-programmable, quad power-supply | |
| sequencer/supervisor. | |
| All other features of this chip should be accessed via i2c-dev. | |
| This driver can also be built as a module. If so, the module | |
| will be called max6875. | |
| config EEPROM_93CX6 | |
| tristate "EEPROM 93CX6 support" | |
| help | |
| This is a driver for the EEPROM chipsets 93c46 and 93c66. | |
| The driver supports both read as well as write commands. | |
| If unsure, say N. | |
| config EEPROM_93XX46 | |
| tristate "Microwire EEPROM 93XX46 support" | |
| depends on SPI && SYSFS | |
| select REGMAP | |
| select NVMEM | |
| select NVMEM_SYSFS | |
| help | |
| Driver for the microwire EEPROM chipsets 93xx46x. The driver | |
| supports both read and write commands and also the command to | |
| erase the whole EEPROM. | |
| This driver can also be built as a module. If so, the module | |
| will be called eeprom_93xx46. | |
| If unsure, say N. | |
| config EEPROM_DIGSY_MTC_CFG | |
| bool "DigsyMTC display configuration EEPROMs device" | |
| depends on GPIO_MPC5200 && SPI_GPIO | |
| help | |
| This option enables access to display configuration EEPROMs | |
| on digsy_mtc board. You have to additionally select Microwire | |
| EEPROM 93XX46 driver. sysfs entries will be created for that | |
| EEPROM allowing to read/write the configuration data or to | |
| erase the whole EEPROM. | |
| If unsure, say N. | |
| config EEPROM_IDT_89HPESX | |
| tristate "IDT 89HPESx PCIe-switches EEPROM / CSR support" | |
| depends on I2C && SYSFS | |
| help | |
| Enable this driver to get read/write access to EEPROM / CSRs | |
| over IDT PCIe-switch i2c-slave interface. | |
| This driver can also be built as a module. If so, the module | |
| will be called idt_89hpesx. | |
| config EEPROM_EE1004 | |
| tristate "SPD EEPROMs on DDR4 memory modules" | |
| depends on I2C && SYSFS | |
| select NVMEM | |
| select NVMEM_SYSFS | |
| help | |
| Enable this driver to get read support to SPD EEPROMs following | |
| the JEDEC EE1004 standard. These are typically found on DDR4 | |
| SDRAM memory modules. | |
| This driver can also be built as a module. If so, the module | |
| will be called ee1004. | |
| config EEPROM_M24LR | |
| tristate "STMicroelectronics M24LR RFID/NFC EEPROM support" | |
| depends on I2C && SYSFS | |
| select REGMAP_I2C | |
| select NVMEM | |
| select NVMEM_SYSFS | |
| help | |
| This enables support for STMicroelectronics M24LR RFID/NFC EEPROM | |
| chips. These dual-interface devices expose two I2C addresses: | |
| one for EEPROM memory access and another for control and system | |
| configuration (e.g. UID, password handling). | |
| This driver provides a sysfs interface for control functions and | |
| integrates with the nvmem subsystem for EEPROM access. | |
| To compile this driver as a module, choose M here: the | |
| module will be called m24lr. | |
| endmenu |