2 # Multifunction miscellaneous devices
5 menu "Multifunction device drivers"
8 bool "Enable Driver Model for Misc drivers"
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
17 bool "Altera Sysid support"
20 Select this to enable a sysid for Altera devices. Please find
21 details on the "Embedded Peripherals IP User Guide" of Altera.
24 bool "Enable crosec command"
27 Enable command-line access to the Chrome OS EC (Embedded
28 Controller). This provides the 'crosec' command which has
29 a number of sub-commands for performing EC tasks such as
30 updating its flash, accessing a small saved context area
31 and talking to the I2C bus behind the EC (if there is one).
34 bool "Enable Chrome OS EC"
36 Enable access to the Chrome OS EC. This is a separate
37 microcontroller typically available on a SPI bus on Chromebooks. It
38 provides access to the keyboard, some internal storage and may
39 control access to the battery and main PMIC depending on the
40 device. You can use the 'crosec' command to access it.
43 bool "Enable Chrome OS EC I2C driver"
46 Enable I2C access to the Chrome OS EC. This is used on older
47 ARM Chromebooks such as snow and spring before the standard bus
48 changed to SPI. The EC will accept commands across the I2C using
49 a special message protocol, and provide responses.
52 bool "Enable Chrome OS EC LPC driver"
55 Enable I2C access to the Chrome OS EC. This is used on x86
56 Chromebooks such as link and falco. The keyboard is provided
57 through a legacy port interface, so on x86 machines the main
58 function of the EC is power and thermal management.
60 config CROS_EC_SANDBOX
61 bool "Enable Chrome OS EC sandbox driver"
62 depends on CROS_EC && SANDBOX
64 Enable a sandbox emulation of the Chrome OS EC. This supports
65 keyboard (use the -l flag to enable the LCD), verified boot context,
66 EC flash read/write/erase support and a few other things. It is
67 enough to perform a Chrome OS verified boot on sandbox.
70 bool "Enable Chrome OS EC SPI driver"
73 Enable SPI access to the Chrome OS EC. This is used on newer
74 ARM Chromebooks such as pit, pi and nyan-big. The SPI interface
75 provides a faster and more robust interface than I2C but the bugs
79 bool "Enable FSL SEC_MON Driver"
81 Freescale Security Monitor block is responsible for monitoring
83 Security Monitor can be transitioned on any security failures,
84 like software violations or hardware security violations.
87 bool "Enable MXC OCOTP Driver"
89 If you say Y here, you will get support for the One Time
90 Programmable memory pages that are stored on the some
91 Freescale i.MX processors.
94 bool "Enable PCA9551 LED driver"
96 Enable driver for PCA9551 LED controller. This controller
97 is connected via I2C. So I2C needs to be enabled.
99 config PCA9551_I2C_ADDR
100 hex "I2C address of PCA9551 LED controller"
101 depends on PCA9551_LED
104 The I2C address of the PCA9551 LED controller.
107 bool "Enable support for reset drivers"
110 Enable reset drivers which can be used to reset the CPU or board.
111 Each driver can provide a reset method which will be called to
112 effect a reset. The uclass will try all available drivers when
113 reset_walk() is called.