1# 2# Multifunction miscellaneous devices 3# 4 5menu "Multifunction device drivers" 6 7config MISC 8 bool "Enable Driver Model for Misc drivers" 9 depends on DM 10 help 11 Enable driver model for miscellaneous devices. This class is 12 used only for those do not fit other more general classes. A 13 set of generic read, write and ioctl methods may be used to 14 access the device. 15 16config CMD_CROS_EC 17 bool "Enable crosec command" 18 depends on CROS_EC 19 help 20 Enable command-line access to the Chrome OS EC (Embedded 21 Controller). This provides the 'crosec' command which has 22 a number of sub-commands for performing EC tasks such as 23 updating its flash, accessing a small saved context area 24 and talking to the I2C bus behind the EC (if there is one). 25 26config CROS_EC 27 bool "Enable Chrome OS EC" 28 help 29 Enable access to the Chrome OS EC. This is a separate 30 microcontroller typically available on a SPI bus on Chromebooks. It 31 provides access to the keyboard, some internal storage and may 32 control access to the battery and main PMIC depending on the 33 device. You can use the 'crosec' command to access it. 34 35config CROS_EC_I2C 36 bool "Enable Chrome OS EC I2C driver" 37 depends on CROS_EC 38 help 39 Enable I2C access to the Chrome OS EC. This is used on older 40 ARM Chromebooks such as snow and spring before the standard bus 41 changed to SPI. The EC will accept commands across the I2C using 42 a special message protocol, and provide responses. 43 44config CROS_EC_LPC 45 bool "Enable Chrome OS EC LPC driver" 46 depends on CROS_EC 47 help 48 Enable I2C access to the Chrome OS EC. This is used on x86 49 Chromebooks such as link and falco. The keyboard is provided 50 through a legacy port interface, so on x86 machines the main 51 function of the EC is power and thermal management. 52 53config CROS_EC_SANDBOX 54 bool "Enable Chrome OS EC sandbox driver" 55 depends on CROS_EC && SANDBOX 56 help 57 Enable a sandbox emulation of the Chrome OS EC. This supports 58 keyboard (use the -l flag to enable the LCD), verified boot context, 59 EC flash read/write/erase support and a few other things. It is 60 enough to perform a Chrome OS verified boot on sandbox. 61 62config CROS_EC_SPI 63 bool "Enable Chrome OS EC SPI driver" 64 depends on CROS_EC 65 help 66 Enable SPI access to the Chrome OS EC. This is used on newer 67 ARM Chromebooks such as pit, pi and nyan-big. The SPI interface 68 provides a faster and more robust interface than I2C but the bugs 69 are less interesting. 70 71config FSL_SEC_MON 72 bool "Enable FSL SEC_MON Driver" 73 help 74 Freescale Security Monitor block is responsible for monitoring 75 system states. 76 Security Monitor can be transitioned on any security failures, 77 like software violations or hardware security violations. 78 79config PCA9551_LED 80 bool "Enable PCA9551 LED driver" 81 help 82 Enable driver for PCA9551 LED controller. This controller 83 is connected via I2C. So I2C needs to be enabled. 84 85config PCA9551_I2C_ADDR 86 hex "I2C address of PCA9551 LED controller" 87 depends on PCA9551_LED 88 default 0x60 89 help 90 The I2C address of the PCA9551 LED controller. 91 92config RESET 93 bool "Enable support for reset drivers" 94 depends on DM 95 help 96 Enable reset drivers which can be used to reset the CPU or board. 97 Each driver can provide a reset method which will be called to 98 effect a reset. The uclass will try all available drivers when 99 reset_walk() is called. 100 101endmenu 102