10b11dbf7SMasahiro Yamada# 20b11dbf7SMasahiro Yamada# Multifunction miscellaneous devices 30b11dbf7SMasahiro Yamada# 40b11dbf7SMasahiro Yamada 50b11dbf7SMasahiro Yamadamenu "Multifunction device drivers" 60b11dbf7SMasahiro Yamada 74395e06eSThomas Chouconfig MISC 84395e06eSThomas Chou bool "Enable Driver Model for Misc drivers" 94395e06eSThomas Chou depends on DM 104395e06eSThomas Chou help 114395e06eSThomas Chou Enable driver model for miscellaneous devices. This class is 124395e06eSThomas Chou used only for those do not fit other more general classes. A 134395e06eSThomas Chou set of generic read, write and ioctl methods may be used to 144395e06eSThomas Chou access the device. 154395e06eSThomas Chou 16ca844dd8SThomas Chouconfig ALTERA_SYSID 17ca844dd8SThomas Chou bool "Altera Sysid support" 18ca844dd8SThomas Chou depends on MISC 19ca844dd8SThomas Chou help 20ca844dd8SThomas Chou Select this to enable a sysid for Altera devices. Please find 21ca844dd8SThomas Chou details on the "Embedded Peripherals IP User Guide" of Altera. 22ca844dd8SThomas Chou 23*49cd8e85SPhilipp Tomsichconfig ROCKCHIP_EFUSE 24*49cd8e85SPhilipp Tomsich bool "Rockchip e-fuse support" 25*49cd8e85SPhilipp Tomsich depends on MISC 26*49cd8e85SPhilipp Tomsich help 27*49cd8e85SPhilipp Tomsich Enable (read-only) access for the e-fuse block found in Rockchip 28*49cd8e85SPhilipp Tomsich SoCs: accesses can either be made using byte addressing and a length 29*49cd8e85SPhilipp Tomsich or through child-nodes that are generated based on the e-fuse map 30*49cd8e85SPhilipp Tomsich retrieved from the DTS. 31*49cd8e85SPhilipp Tomsich 32*49cd8e85SPhilipp Tomsich This driver currently supports the RK3399 only, but can easily be 33*49cd8e85SPhilipp Tomsich extended (by porting the read function from the Linux kernel sources) 34*49cd8e85SPhilipp Tomsich to support other recent Rockchip devices. 35*49cd8e85SPhilipp Tomsich 366fb9ac15SSimon Glassconfig CMD_CROS_EC 376fb9ac15SSimon Glass bool "Enable crosec command" 386fb9ac15SSimon Glass depends on CROS_EC 396fb9ac15SSimon Glass help 406fb9ac15SSimon Glass Enable command-line access to the Chrome OS EC (Embedded 416fb9ac15SSimon Glass Controller). This provides the 'crosec' command which has 426fb9ac15SSimon Glass a number of sub-commands for performing EC tasks such as 436fb9ac15SSimon Glass updating its flash, accessing a small saved context area 446fb9ac15SSimon Glass and talking to the I2C bus behind the EC (if there is one). 456fb9ac15SSimon Glass 466fb9ac15SSimon Glassconfig CROS_EC 476fb9ac15SSimon Glass bool "Enable Chrome OS EC" 486fb9ac15SSimon Glass help 496fb9ac15SSimon Glass Enable access to the Chrome OS EC. This is a separate 506fb9ac15SSimon Glass microcontroller typically available on a SPI bus on Chromebooks. It 516fb9ac15SSimon Glass provides access to the keyboard, some internal storage and may 526fb9ac15SSimon Glass control access to the battery and main PMIC depending on the 536fb9ac15SSimon Glass device. You can use the 'crosec' command to access it. 546fb9ac15SSimon Glass 556fb9ac15SSimon Glassconfig CROS_EC_I2C 566fb9ac15SSimon Glass bool "Enable Chrome OS EC I2C driver" 576fb9ac15SSimon Glass depends on CROS_EC 586fb9ac15SSimon Glass help 596fb9ac15SSimon Glass Enable I2C access to the Chrome OS EC. This is used on older 606fb9ac15SSimon Glass ARM Chromebooks such as snow and spring before the standard bus 616fb9ac15SSimon Glass changed to SPI. The EC will accept commands across the I2C using 626fb9ac15SSimon Glass a special message protocol, and provide responses. 636fb9ac15SSimon Glass 646fb9ac15SSimon Glassconfig CROS_EC_LPC 656fb9ac15SSimon Glass bool "Enable Chrome OS EC LPC driver" 666fb9ac15SSimon Glass depends on CROS_EC 676fb9ac15SSimon Glass help 686fb9ac15SSimon Glass Enable I2C access to the Chrome OS EC. This is used on x86 696fb9ac15SSimon Glass Chromebooks such as link and falco. The keyboard is provided 706fb9ac15SSimon Glass through a legacy port interface, so on x86 machines the main 716fb9ac15SSimon Glass function of the EC is power and thermal management. 726fb9ac15SSimon Glass 7347cb8c65SSimon Glassconfig CROS_EC_SANDBOX 7447cb8c65SSimon Glass bool "Enable Chrome OS EC sandbox driver" 7547cb8c65SSimon Glass depends on CROS_EC && SANDBOX 7647cb8c65SSimon Glass help 7747cb8c65SSimon Glass Enable a sandbox emulation of the Chrome OS EC. This supports 7847cb8c65SSimon Glass keyboard (use the -l flag to enable the LCD), verified boot context, 7947cb8c65SSimon Glass EC flash read/write/erase support and a few other things. It is 8047cb8c65SSimon Glass enough to perform a Chrome OS verified boot on sandbox. 8147cb8c65SSimon Glass 826fb9ac15SSimon Glassconfig CROS_EC_SPI 836fb9ac15SSimon Glass bool "Enable Chrome OS EC SPI driver" 846fb9ac15SSimon Glass depends on CROS_EC 856fb9ac15SSimon Glass help 866fb9ac15SSimon Glass Enable SPI access to the Chrome OS EC. This is used on newer 876fb9ac15SSimon Glass ARM Chromebooks such as pit, pi and nyan-big. The SPI interface 886fb9ac15SSimon Glass provides a faster and more robust interface than I2C but the bugs 896fb9ac15SSimon Glass are less interesting. 906fb9ac15SSimon Glass 91879704d8SSimon Glassconfig DS4510 92879704d8SSimon Glass bool "Enable support for DS4510 CPU supervisor" 93879704d8SSimon Glass help 94879704d8SSimon Glass Enable support for the Maxim DS4510 CPU supervisor. It has an 95879704d8SSimon Glass integrated 64-byte EEPROM, four programmable non-volatile I/O pins 96879704d8SSimon Glass and a configurable timer for the supervisor function. The device is 97879704d8SSimon Glass connected over I2C. 98879704d8SSimon Glass 99c12e0d93SPeng Fanconfig FSL_SEC_MON 100fe78378dSgaurav rana bool "Enable FSL SEC_MON Driver" 101fe78378dSgaurav rana help 102fe78378dSgaurav rana Freescale Security Monitor block is responsible for monitoring 103fe78378dSgaurav rana system states. 104fe78378dSgaurav rana Security Monitor can be transitioned on any security failures, 105fe78378dSgaurav rana like software violations or hardware security violations. 1061cdd9412SStefan Roese 1073e020f03SPeng Fanconfig MXC_OCOTP 1083e020f03SPeng Fan bool "Enable MXC OCOTP Driver" 1093e020f03SPeng Fan help 1103e020f03SPeng Fan If you say Y here, you will get support for the One Time 1113e020f03SPeng Fan Programmable memory pages that are stored on the some 1123e020f03SPeng Fan Freescale i.MX processors. 1133e020f03SPeng Fan 1144cf9e464SStefan Roeseconfig NUVOTON_NCT6102D 1154cf9e464SStefan Roese bool "Enable Nuvoton NCT6102D Super I/O driver" 1164cf9e464SStefan Roese help 1174cf9e464SStefan Roese If you say Y here, you will get support for the Nuvoton 1184cf9e464SStefan Roese NCT6102D Super I/O driver. This can be used to enable or 1194cf9e464SStefan Roese disable the legacy UART, the watchdog or other devices 1204cf9e464SStefan Roese in the Nuvoton Super IO chips on X86 platforms. 1214cf9e464SStefan Roese 1225fd6badbSSimon Glassconfig PWRSEQ 1235fd6badbSSimon Glass bool "Enable power-sequencing drivers" 1245fd6badbSSimon Glass depends on DM 1255fd6badbSSimon Glass help 1265fd6badbSSimon Glass Power-sequencing drivers provide support for controlling power for 1275fd6badbSSimon Glass devices. They are typically referenced by a phandle from another 1285fd6badbSSimon Glass device. When the device is started up, its power sequence can be 1295fd6badbSSimon Glass initiated. 1305fd6badbSSimon Glass 1315fd6badbSSimon Glassconfig SPL_PWRSEQ 1325fd6badbSSimon Glass bool "Enable power-sequencing drivers for SPL" 1335fd6badbSSimon Glass depends on PWRSEQ 1345fd6badbSSimon Glass help 1355fd6badbSSimon Glass Power-sequencing drivers provide support for controlling power for 1365fd6badbSSimon Glass devices. They are typically referenced by a phandle from another 1375fd6badbSSimon Glass device. When the device is started up, its power sequence can be 1385fd6badbSSimon Glass initiated. 1395fd6badbSSimon Glass 1401cdd9412SStefan Roeseconfig PCA9551_LED 1411cdd9412SStefan Roese bool "Enable PCA9551 LED driver" 1421cdd9412SStefan Roese help 1431cdd9412SStefan Roese Enable driver for PCA9551 LED controller. This controller 1441cdd9412SStefan Roese is connected via I2C. So I2C needs to be enabled. 1451cdd9412SStefan Roese 1461cdd9412SStefan Roeseconfig PCA9551_I2C_ADDR 1471cdd9412SStefan Roese hex "I2C address of PCA9551 LED controller" 1481cdd9412SStefan Roese depends on PCA9551_LED 1491cdd9412SStefan Roese default 0x60 1501cdd9412SStefan Roese help 1511cdd9412SStefan Roese The I2C address of the PCA9551 LED controller. 152f9917454SSimon Glass 153bd3ee84aSStephen Warrenconfig TEGRA_CAR 154bd3ee84aSStephen Warren bool "Enable support for the Tegra CAR driver" 155bd3ee84aSStephen Warren depends on TEGRA_NO_BPMP 156bd3ee84aSStephen Warren help 157bd3ee84aSStephen Warren The Tegra CAR (Clock and Reset Controller) is a HW module that 158bd3ee84aSStephen Warren controls almost all clocks and resets in a Tegra SoC. 159bd3ee84aSStephen Warren 16073dd5c4cSStephen Warrenconfig TEGRA186_BPMP 16173dd5c4cSStephen Warren bool "Enable support for the Tegra186 BPMP driver" 16273dd5c4cSStephen Warren depends on TEGRA186 16373dd5c4cSStephen Warren help 16473dd5c4cSStephen Warren The Tegra BPMP (Boot and Power Management Processor) is a separate 16573dd5c4cSStephen Warren auxiliary CPU embedded into Tegra to perform power management work, 16673dd5c4cSStephen Warren and controls related features such as clocks, resets, power domains, 16773dd5c4cSStephen Warren PMIC I2C bus, etc. This driver provides the core low-level 16873dd5c4cSStephen Warren communication path by which feature-specific drivers (such as clock) 16973dd5c4cSStephen Warren can make requests to the BPMP. This driver is similar to an MFD 17073dd5c4cSStephen Warren driver in the Linux kernel. 17173dd5c4cSStephen Warren 17285056932SStefan Roeseconfig WINBOND_W83627 17385056932SStefan Roese bool "Enable Winbond Super I/O driver" 17485056932SStefan Roese help 17585056932SStefan Roese If you say Y here, you will get support for the Winbond 17685056932SStefan Roese W83627 Super I/O driver. This can be used to enable the 17785056932SStefan Roese legacy UART or other devices in the Winbond Super IO chips 17885056932SStefan Roese on X86 platforms. 17985056932SStefan Roese 180fcf5c041SMiao Yanconfig QFW 181fcf5c041SMiao Yan bool 182fcf5c041SMiao Yan help 183fcf5c041SMiao Yan Hidden option to enable QEMU fw_cfg interface. This will be selected by 18418686590SMiao Yan either CONFIG_CMD_QFW or CONFIG_GENERATE_ACPI_TABLE. 185fcf5c041SMiao Yan 186d7e28918Smario.six@gdsys.ccconfig I2C_EEPROM 187d7e28918Smario.six@gdsys.cc bool "Enable driver for generic I2C-attached EEPROMs" 188d7e28918Smario.six@gdsys.cc depends on MISC 189d7e28918Smario.six@gdsys.cc help 190d7e28918Smario.six@gdsys.cc Enable a generic driver for EEPROMs attached via I2C. 1910b11dbf7SMasahiro Yamadaendmenu 192