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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-23 13:28:57 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-23 13:28:57 -0700 |
| commit | 4352b8aee98005853aa63f57d6377282de17a33f (patch) | |
| tree | 27614d7a9ef05c32d089004e104364ce42324837 /drivers/misc/eeprom/Kconfig | |
| download | linux-stable-4352b8aee98005853aa63f57d6377282de17a33f.tar.gz linux-stable-4352b8aee98005853aa63f57d6377282de17a33f.zip | |
Merge tag 'i3c/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linuxgrafted
Pull I3C updates from Alexandre Belloni:
"A new driver this cycle, for the AMD AXI I3C controller.
There are also new features such as IBI wakeup support, SETAASA device
discovery and ACPI support for the the DAA methods, meaning we can now
communicate with the SPD devices on DDR5 modules.
New driver:
- AMD AXI I3C master controller
Subsystem:
- I3C Common Command Code (CCC) handling improvements, especially
around GET CCCs
- SETAASA device discovery support
- ACPI support for all existing DAA methods like SETDASA, SETNEWDA as
well as I2C devices on I3C bus
- IBI-based wakeup support
Drivers:
- dw: SETAASA support
- mipi-i3c-hci: advertise IBI wakeup capability, AMD_PT I3C
controller support, PIO queue management support for HCI v1.2
- renesas: improve suspend to RAM support, add runtime PM support"
* tag 'i3c/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: (70 commits)
i3c: dw: reduce do_daa time if there's no client
i3c: mipi-i3c-hci: Add support for AMD_PT I3C controller
i3c: mipi-i3c-hci: Add PIO queue management support for HCI v1.2
i3c: mipi-i3c-hci: Fix missing STAT_IBI_STATUS_THLD in PIO mode
i3c: dw: rename "pclk" to "apb" to match dt-binding
i3c: dw: make struct dw_i3c_cmd smaller
i3c: dw: use COMMAND_PORT_TRANSFER_ARG instead of hardcoding
i3c: renesas: Don't register devices when ENTDAA times out
i3c: master: dw-i3c-master: fix OD timing for first broadcast
i3c: mipi-i3c-hci: Advertise IBI wakeup capability
i3c: mipi-i3c-hci: Factor out i3c_hci_sysdev()
i3c: mipi-i3c-hci-pci: Propagate I3C wakeup requirements to PCI
i3c: master: Reject IBI requests from non-IBI-capable devices
i3c: master: Add helper to query bus wakeup requirements
i3c: master: Report wakeup events for IBIs
i3c: master: Support IBI-based wakeup capability
i3c: master: Fix potential UAF in i3c_device_match()
i3c: master: Fix potential UAF in i3c_device_uevent()
i3c: Make dev->desc locking assumptions explicit
i3c: master: Fix use-after-free of master->this
...
Diffstat (limited to 'drivers/misc/eeprom/Kconfig')
| -rw-r--r-- | drivers/misc/eeprom/Kconfig | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/drivers/misc/eeprom/Kconfig b/drivers/misc/eeprom/Kconfig new file mode 100644 index 000000000..4d0ce47aa --- /dev/null +++ b/drivers/misc/eeprom/Kconfig @@ -0,0 +1,141 @@ +# 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 |
