# # Multifunction miscellaneous devices # menu "Multifunction device drivers" config MISC bool "Enable Driver Model for Misc drivers" depends on DM help Enable driver model for miscellaneous devices. This class is used only for those do not fit other more general classes. A set of generic read, write and ioctl methods may be used to access the device. config SPL_MISC bool "Enable Driver Model for Misc drivers in SPL" depends on SPL_DM default MISC help Enable driver model for miscellaneous devices. This class is used only for those do not fit other more general classes. A set of generic read, write and ioctl methods may be used to access the device. config TPL_MISC bool "Enable Driver Model for Misc drivers in TPL" depends on TPL_DM default MISC help Enable driver model for miscellaneous devices. This class is used only for those do not fit other more general classes. A set of generic read, write and ioctl methods may be used to access the device. config VPL_MISC bool "Enable Driver Model for Misc drivers in VPL" depends on VPL_DM default MISC help Enable driver model for miscellaneous devices. This class is used only for those do not fit other more general classes. A set of generic read, write and ioctl methods may be used to access the device. config NVMEM bool "NVMEM support" help This adds support for a common interface to different types of non-volatile memory. Consumers can use nvmem-cells properties to look up hardware configuration data such as MAC addresses and calibration settings. config SPL_NVMEM bool "NVMEM support in SPL" help This adds support for a common interface to different types of non-volatile memory. Consumers can use nvmem-cells properties to look up hardware configuration data such as MAC addresses and calibration settings. config ALTERA_SYSID bool "Altera Sysid support" depends on MISC help Select this to enable a sysid for Altera devices. Please find details on the "Embedded Peripherals IP User Guide" of Altera. config ATSHA204A bool "Support for Atmel ATSHA204A module" select BITREVERSE depends on MISC help Enable support for I2C connected Atmel's ATSHA204A CryptoAuthentication module found for example on the Turris Omnia board. config GATEWORKS_SC bool "Gateworks System Controller Support" depends on MISC help Enable access for the Gateworks System Controller used on Gateworks boards to provide a boot watchdog, power control, temperature monitor, voltage ADCs, and EEPROM. config ROCKCHIP_EFUSE bool "Rockchip e-fuse support" depends on MISC help Enable (read-only) access for the e-fuse block found in Rockchip SoCs: accesses can either be made using byte addressing and a length or through child-nodes that are generated based on the e-fuse map retrieved from the DTS. This driver currently supports the RK3399 only, but can easily be extended (by porting the read function from the Linux kernel sources) to support other recent Rockchip devices. config ROCKCHIP_OTP bool "Rockchip OTP Support" depends on MISC help Enable (read-only) access for the one-time-programmable memory block found in Rockchip SoCs: accesses can either be made using byte addressing and a length or through child-nodes that are generated based on the e-fuse map retrieved from the DTS. config SIFIVE_OTP bool "SiFive eMemory OTP driver" depends on MISC help Enable support for reading and writing the eMemory OTP on the SiFive SoCs. config VEXPRESS_CONFIG bool "Enable support for Arm Versatile Express config bus" depends on MISC help If you say Y here, you will get support for accessing the configuration bus on the Arm Versatile Express boards via a sysreg driver. config CMD_CROS_EC bool "Enable crosec command" depends on CROS_EC help Enable command-line access to the Chrome OS EC (Embedded Controller). This provides the 'crosec' command which has a number of sub-commands for performing EC tasks such as updating its flash, accessing a small saved context area and talking to the I2C bus behind the EC (if there is one). config CROS_EC bool "Enable Chrome OS EC" help Enable access to the Chrome OS EC. This is a separate microcontroller typically available on a SPI bus on Chromebooks. It provides access to the keyboard, some internal storage and may control access to the battery and main PMIC depending on the device. You can use the 'crosec' command to access it. config SPL_CROS_EC bool "Enable Chrome OS EC in SPL" depends on SPL_MISC help Enable access to the Chrome OS EC in SPL. This is a separate microcontroller typically available on a SPI bus on Chromebooks. It provides access to the keyboard, some internal storage and may control access to the battery and main PMIC depending on the device. You can use the 'crosec' command to access it. config TPL_CROS_EC bool "Enable Chrome OS EC in TPL" depends on TPL_MISC help Enable access to the Chrome OS EC in TPL. This is a separate microcontroller typically available on a SPI bus on Chromebooks. It provides access to the keyboard, some internal storage and may control access to the battery and main PMIC depending on the device. You can use the 'crosec' command to access it. config VPL_CROS_EC bool "Enable Chrome OS EC in VPL" depends on VPL_MISC help Enable access to the Chrome OS EC in VPL. This is a separate microcontroller typically available on a SPI bus on Chromebooks. It provides access to the keyboard, some internal storage and may control access to the battery and main PMIC depending on the device. You can use the 'crosec' command to access it. config CROS_EC_I2C bool "Enable Chrome OS EC I2C driver" depends on CROS_EC help Enable I2C access to the Chrome OS EC. This is used on older ARM Chromebooks such as snow and spring before the standard bus changed to SPI. The EC will accept commands across the I2C using a special message protocol, and provide responses. config CROS_EC_LPC bool "Enable Chrome OS EC LPC driver" depends on CROS_EC help Enable I2C access to the Chrome OS EC. This is used on x86 Chromebooks such as link and falco. The keyboard is provided through a legacy port interface, so on x86 machines the main function of the EC is power and thermal management. config SPL_CROS_EC_LPC bool "Enable Chrome OS EC LPC driver in SPL" depends on CROS_EC && SPL_MISC help Enable I2C access to the Chrome OS EC. This is used on x86 Chromebooks such as link and falco. The keyboard is provided through a legacy port interface, so on x86 machines the main function of the EC is power and thermal management. config TPL_CROS_EC_LPC bool "Enable Chrome OS EC LPC driver in TPL" depends on CROS_EC && TPL_MISC help Enable I2C access to the Chrome OS EC. This is used on x86 Chromebooks such as link and falco. The keyboard is provided through a legacy port interface, so on x86 machines the main function of the EC is power and thermal management. config VPL_CROS_EC_LPC bool "Enable Chrome OS EC LPC driver in VPL" depends on CROS_EC && VPL_MISC help Enable I2C access to the Chrome OS EC. This is used on x86 Chromebooks such as link and falco. The keyboard is provided through a legacy port interface, so on x86 machines the main function of the EC is power and thermal management. config CROS_EC_SANDBOX bool "Enable Chrome OS EC sandbox driver" depends on CROS_EC && SANDBOX help Enable a sandbox emulation of the Chrome OS EC. This supports keyboard (use the -l flag to enable the LCD), verified boot context, EC flash read/write/erase support and a few other things. It is enough to perform a Chrome OS verified boot on sandbox. config SPL_CROS_EC_SANDBOX bool "Enable Chrome OS EC sandbox driver in SPL" depends on SPL_CROS_EC && SANDBOX help Enable a sandbox emulation of the Chrome OS EC in SPL. This supports keyboard (use the -l flag to enable the LCD), verified boot context, EC flash read/write/erase support and a few other things. It is enough to perform a Chrome OS verified boot on sandbox. config TPL_CROS_EC_SANDBOX bool "Enable Chrome OS EC sandbox driver in TPL" depends on TPL_CROS_EC && SANDBOX help Enable a sandbox emulation of the Chrome OS EC in TPL. This supports keyboard (use the -l flag to enable the LCD), verified boot context, EC flash read/write/erase support and a few other things. It is enough to perform a Chrome OS verified boot on sandbox. config VPL_CROS_EC_SANDBOX bool "Enable Chrome OS EC sandbox driver in VPL" depends on VPL_CROS_EC && SANDBOX help Enable a sandbox emulation of the Chrome OS EC in VPL. This supports keyboard (use the -l flag to enable the LCD), verified boot context, EC flash read/write/erase support and a few other things. It is enough to perform a Chrome OS verified boot on sandbox. config CROS_EC_SPI bool "Enable Chrome OS EC SPI driver" depends on CROS_EC help Enable SPI access to the Chrome OS EC. This is used on newer ARM Chromebooks such as pit, pi and nyan-big. The SPI interface provides a faster and more robust interface than I2C but the bugs are less interesting. config DS4510 bool "Enable support for DS4510 CPU supervisor" help Enable support for the Maxim DS4510 CPU supervisor. It has an integrated 64-byte EEPROM, four programmable non-volatile I/O pins and a configurable timer for the supervisor function. The device is connected over I2C. config FSL_SEC_MON bool "Enable FSL SEC_MON Driver" help Freescale Security Monitor block is responsible for monitoring system states. Security Monitor can be transitioned on any security failures, like software violations or hardware security violations. config IRQ bool "Interrupt controller" help This enables support for interrupt controllers, including ITSS. Some devices have extra features, such as Apollo Lake. The device has its own uclass since there are several operations involved. config JZ4780_EFUSE bool "Ingenic JZ4780 eFUSE support" depends on ARCH_JZ47XX help This selects support for the eFUSE on Ingenic JZ4780 SoCs. config LS2_SFP bool "Layerscape Security Fuse Processor" depends on FSL_LSCH2 || ARCH_LS1021A depends on MISC imply DM_REGULATOR help This adds support for the Security Fuse Processor found on Layerscape SoCs. It contains various fuses related to secure boot, including the Super Root Key hash, One-Time-Programmable Master Key, Debug Challenge/Response values, and others. Fuses are numbered according to their four-byte offset from the start of the bank. If you don't need to read/program fuses, say 'n'. config MXC_OCOTP bool "Enable MXC OCOTP Driver" depends on ARCH_IMX8M || ARCH_MX6 || ARCH_MX7 || ARCH_MX7ULP || ARCH_VF610 default y help If you say Y here, you will get support for the One Time Programmable memory pages that are stored on the some Freescale i.MX processors. config SPL_MXC_OCOTP bool "Enable MXC OCOTP driver in SPL" depends on SPL_MISC && (ARCH_IMX8M || ARCH_MX6 || ARCH_MX7 || ARCH_MX7ULP || ARCH_VF610) default y help If you say Y here, you will get support for the One Time Programmable memory pages, that are stored on some Freescale i.MX processors, in SPL. config NPCM_OTP bool "Nnvoton NPCM BMC On-Chip OTP Memory Support" depends on (ARM && ARCH_NPCM) default n help Support NPCM BMC OTP memory (fuse). To compile this driver as a module, choose M here: the module will be called npcm_otp. config NUVOTON_NCT6102D bool "Enable Nuvoton NCT6102D Super I/O driver" help If you say Y here, you will get support for the Nuvoton NCT6102D Super I/O driver. This can be used to enable or disable the legacy UART, the watchdog or other devices in the Nuvoton Super IO chips on X86 platforms. config P2SB bool "Intel Primary to Sideband Bridge" depends on X86 || SANDBOX help This enables support for the Intel Primary to Sideband Bridge, abbreviated to P2SB. The P2SB is used to access various peripherals such as eSPI, GPIO, through memory-mapped I/O in a large chunk of PCI space. The space is segmented into different channels and peripherals are accessed by device-specific means within those channels. Devices should be added in the device tree as subnodes of the P2SB. A Peripheral Channel Register? (PCR) API is provided to access those devices - see pcr_readl(), etc. config SPL_P2SB bool "Intel Primary to Sideband Bridge in SPL" depends on SPL_MISC && (X86 || SANDBOX) help The Primary to Sideband Bridge is used to access various peripherals through memory-mapped I/O in a large chunk of PCI space. The space is segmented into different channels and peripherals are accessed by device-specific means within those channels. Devices should be added in the device tree as subnodes of the p2sb. config TPL_P2SB bool "Intel Primary to Sideband Bridge in TPL" depends on TPL_MISC && (X86 || SANDBOX) help The Primary to Sideband Bridge is used to access various peripherals through memory-mapped I/O in a large chunk of PCI space. The space is segmented into different channels and peripherals are accessed by device-specific means within those channels. Devices should be added in the device tree as subnodes of the p2sb. config PWRSEQ bool "Enable power-sequencing drivers" depends on DM help Power-sequencing drivers provide support for controlling power for devices. They are typically referenced by a phandle from another device. When the device is started up, its power sequence can be initiated. config SPL_PWRSEQ bool "Enable power-sequencing drivers for SPL" depends on SPL_MISC && PWRSEQ help Power-sequencing drivers provide support for controlling power for devices. They are typically referenced by a phandle from another device. When the device is started up, its power sequence can be initiated. config PCA9551_LED bool "Enable PCA9551 LED driver" help Enable driver for PCA9551 LED controller. This controller is connected via I2C. So I2C needs to be enabled. config PCA9551_I2C_ADDR hex "I2C address of PCA9551 LED controller" depends on PCA9551_LED default 0x60 help The I2C address of the PCA9551 LED controller. config STM32MP_FUSE bool "Enable STM32MP fuse wrapper providing the fuse API" depends on ARCH_STM32MP && MISC default y if CMD_FUSE help If you say Y here, you will get support for the fuse API (OTP) for STM32MP architecture. This API is needed for CMD_FUSE. config STM32_RCC bool "Enable RCC driver for the STM32 SoC's family" depends on (ARCH_STM32 || ARCH_STM32MP) && MISC help Enable the STM32 RCC driver. The RCC block (Reset and Clock Control block) is responsible of the management of the clock and reset generation. This driver is similar to an MFD driver in the Linux kernel. config TEGRA_CAR bool "Enable support for the Tegra CAR driver" depends on TEGRA_NO_BPMP help The Tegra CAR (Clock and Reset Controller) is a HW module that controls almost all clocks and resets in a Tegra SoC. config TEGRA186_BPMP bool "Enable support for the Tegra186 BPMP driver" depends on TEGRA186 help The Tegra BPMP (Boot and Power Management Processor) is a separate auxiliary CPU embedded into Tegra to perform power management work, and controls related features such as clocks, resets, power domains, PMIC I2C bus, etc. This driver provides the core low-level communication path by which feature-specific drivers (such as clock) can make requests to the BPMP. This driver is similar to an MFD driver in the Linux kernel. config TEST_DRV bool "Enable support for test drivers" default y if SANDBOX help This enables drivers and uclasses that provides a way of testing the operations of memory allocation and driver/uclass methods in driver model. This should only be enabled for testing as it is not useful for anything else. config USB_HUB_USB251XB tristate "USB251XB Hub Controller Configuration Driver" depends on I2C help This option enables support for configuration via SMBus of the Microchip USB251x/xBi USB 2.0 Hub Controller series. Configuration parameters may be set in devicetree or platform data. Say Y or M here if you need to configure such a device via SMBus. config TWL4030_LED bool "Enable TWL4030 LED controller" help Enable this to add support for the TWL4030 LED controller. config WINBOND_W83627 bool "Enable Winbond Super I/O driver" help If you say Y here, you will get support for the Winbond W83627 Super I/O driver. This can be used to enable the legacy UART or other devices in the Winbond Super IO chips on X86 platforms. config QFW bool help Hidden option to enable QEMU fw_cfg interface and uclass. This will be selected by either CONFIG_CMD_QFW or CONFIG_GENERATE_ACPI_TABLE. config QFW_PIO bool depends on QFW help Hidden option to enable PIO QEMU fw_cfg interface. This will be selected by the appropriate QEMU board. config QFW_MMIO bool depends on QFW help Hidden option to enable MMIO QEMU fw_cfg interface. This will be selected by the appropriate QEMU board. config I2C_EEPROM bool "Enable driver for generic I2C-attached EEPROMs" depends on MISC help Enable a generic driver for EEPROMs attached via I2C. config SPL_I2C_EEPROM bool "Enable driver for generic I2C-attached EEPROMs for SPL" depends on SPL_MISC help This option is an SPL-variant of the I2C_EEPROM option. See the help of I2C_EEPROM for details. config SYS_I2C_EEPROM_ADDR hex "Chip address of the EEPROM device" depends on ID_EEPROM || I2C_EEPROM || SPL_I2C_EEPROM || CMD_EEPROM || ENV_IS_IN_EEPROM default 0 if I2C_EEPROM config SYS_I2C_EEPROM_ADDR_OVERFLOW hex "EEPROM Address Overflow" default 0x0 help EEPROM chips that implement "address overflow" are ones like Catalyst 24WC04/08/16 which has 9/10/11 bits of address and the extra bits end up in the "chip address" bit slots. This makes a 24WC08 (1Kbyte) chip look like four 256 byte chips. endif config GDSYS_RXAUI_CTRL bool "Enable gdsys RXAUI control driver" depends on MISC help Support gdsys FPGA's RXAUI control. config GDSYS_IOEP bool "Enable gdsys IOEP driver" depends on MISC help Support gdsys FPGA's IO endpoint driver. config MPC83XX_SERDES bool "Enable MPC83xx serdes driver" depends on MISC help Support for serdes found on MPC83xx SoCs. config FS_LOADER bool "Enable loader driver for file system" help This is file system generic loader which can be used to load the file image from the storage into target such as memory. The consumer driver would then use this loader to program whatever, ie. the FPGA device. config SPL_FS_LOADER bool "Enable loader driver for file system" depends on SPL help This is file system generic loader which can be used to load the file image from the storage into target such as memory. The consumer driver would then use this loader to program whatever, ie. the FPGA device. config GDSYS_SOC bool "Enable gdsys SOC driver" depends on MISC help Support for gdsys IHS SOC, a simple bus associated with each gdsys IHS (Integrated Hardware Systems) FPGA, which holds all devices whose register maps are contained within the FPGA's register map. config IHS_FPGA bool "Enable IHS FPGA driver" depends on MISC help Support IHS (Integrated Hardware Systems) FPGA, the main FPGAs on gdsys devices, which supply the majority of the functionality offered by the devices. This driver supports both CON and CPU variants of the devices, depending on the device tree entry. config ESM_K3 bool "Enable K3 ESM driver" depends on ARCH_K3 help Support ESM (Error Signaling Module) on TI K3 SoCs. config MICROCHIP_FLEXCOM bool "Enable Microchip Flexcom driver" depends on MISC help The Atmel Flexcom is just a wrapper which embeds a SPI controller, an I2C controller and an USART. Only one function can be used at a time and is chosen at boot time according to the device tree. config K3_AVS0 depends on ARCH_K3 && SPL_DM_REGULATOR bool "AVS class 0 support for K3 devices" help K3 devices have the optimized voltage values for the main voltage domains stored in efuse within the VTM IP. This driver reads the optimized voltage from the efuse, so that it can be programmed to the PMIC on board. config ESM_PMIC bool "Enable PMIC ESM driver" depends on DM_PMIC help Support ESM (Error Signal Monitor) on PMIC devices. ESM is used typically to reboot the board in error condition. config FSL_IFC bool config SL28CPLD bool "Enable Kontron sl28cpld multi-function driver" depends on DM_I2C help Support for the Kontron sl28cpld management controller. This is the base driver which provides common access methods for the sub-drivers. endmenu