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 "Enable Driver Model for Misc drivers in SPL"
20 Enable driver model for miscellaneous devices. This class is
21 used only for those do not fit other more general classes. A
22 set of generic read, write and ioctl methods may be used to
26 bool "Enable Driver Model for Misc drivers in TPL"
29 Enable driver model for miscellaneous devices. This class is
30 used only for those do not fit other more general classes. A
31 set of generic read, write and ioctl methods may be used to
35 bool "Altera Sysid support"
38 Select this to enable a sysid for Altera devices. Please find
39 details on the "Embedded Peripherals IP User Guide" of Altera.
42 bool "Support for Atmel ATSHA204A module"
45 Enable support for I2C connected Atmel's ATSHA204A
46 CryptoAuthentication module found for example on the Turris Omnia
50 bool "Rockchip e-fuse support"
53 Enable (read-only) access for the e-fuse block found in Rockchip
54 SoCs: accesses can either be made using byte addressing and a length
55 or through child-nodes that are generated based on the e-fuse map
56 retrieved from the DTS.
58 This driver currently supports the RK3399 only, but can easily be
59 extended (by porting the read function from the Linux kernel sources)
60 to support other recent Rockchip devices.
63 bool "Rockchip OTP Support"
66 Enable (read-only) access for the one-time-programmable memory block
67 found in Rockchip SoCs: accesses can either be made using byte
68 addressing and a length or through child-nodes that are generated
69 based on the e-fuse map retrieved from the DTS.
72 bool "SiFive eMemory OTP driver"
75 Enable support for reading and writing the eMemory OTP on the
78 config VEXPRESS_CONFIG
79 bool "Enable support for Arm Versatile Express config bus"
82 If you say Y here, you will get support for accessing the
83 configuration bus on the Arm Versatile Express boards via
87 bool "Enable crosec command"
90 Enable command-line access to the Chrome OS EC (Embedded
91 Controller). This provides the 'crosec' command which has
92 a number of sub-commands for performing EC tasks such as
93 updating its flash, accessing a small saved context area
94 and talking to the I2C bus behind the EC (if there is one).
97 bool "Enable Chrome OS EC"
99 Enable access to the Chrome OS EC. This is a separate
100 microcontroller typically available on a SPI bus on Chromebooks. It
101 provides access to the keyboard, some internal storage and may
102 control access to the battery and main PMIC depending on the
103 device. You can use the 'crosec' command to access it.
106 bool "Enable Chrome OS EC in SPL"
109 Enable access to the Chrome OS EC in SPL. This is a separate
110 microcontroller typically available on a SPI bus on Chromebooks. It
111 provides access to the keyboard, some internal storage and may
112 control access to the battery and main PMIC depending on the
113 device. You can use the 'crosec' command to access it.
116 bool "Enable Chrome OS EC in TPL"
119 Enable access to the Chrome OS EC in TPL. This is a separate
120 microcontroller typically available on a SPI bus on Chromebooks. It
121 provides access to the keyboard, some internal storage and may
122 control access to the battery and main PMIC depending on the
123 device. You can use the 'crosec' command to access it.
126 bool "Enable Chrome OS EC I2C driver"
129 Enable I2C access to the Chrome OS EC. This is used on older
130 ARM Chromebooks such as snow and spring before the standard bus
131 changed to SPI. The EC will accept commands across the I2C using
132 a special message protocol, and provide responses.
135 bool "Enable Chrome OS EC LPC driver"
138 Enable I2C access to the Chrome OS EC. This is used on x86
139 Chromebooks such as link and falco. The keyboard is provided
140 through a legacy port interface, so on x86 machines the main
141 function of the EC is power and thermal management.
143 config SPL_CROS_EC_LPC
144 bool "Enable Chrome OS EC LPC driver in SPL"
147 Enable I2C access to the Chrome OS EC. This is used on x86
148 Chromebooks such as link and falco. The keyboard is provided
149 through a legacy port interface, so on x86 machines the main
150 function of the EC is power and thermal management.
152 config TPL_CROS_EC_LPC
153 bool "Enable Chrome OS EC LPC driver in TPL"
156 Enable I2C access to the Chrome OS EC. This is used on x86
157 Chromebooks such as link and falco. The keyboard is provided
158 through a legacy port interface, so on x86 machines the main
159 function of the EC is power and thermal management.
161 config CROS_EC_SANDBOX
162 bool "Enable Chrome OS EC sandbox driver"
163 depends on CROS_EC && SANDBOX
165 Enable a sandbox emulation of the Chrome OS EC. This supports
166 keyboard (use the -l flag to enable the LCD), verified boot context,
167 EC flash read/write/erase support and a few other things. It is
168 enough to perform a Chrome OS verified boot on sandbox.
170 config SPL_CROS_EC_SANDBOX
171 bool "Enable Chrome OS EC sandbox driver in SPL"
172 depends on SPL_CROS_EC && SANDBOX
174 Enable a sandbox emulation of the Chrome OS EC in SPL. This supports
175 keyboard (use the -l flag to enable the LCD), verified boot context,
176 EC flash read/write/erase support and a few other things. It is
177 enough to perform a Chrome OS verified boot on sandbox.
179 config TPL_CROS_EC_SANDBOX
180 bool "Enable Chrome OS EC sandbox driver in TPL"
181 depends on TPL_CROS_EC && SANDBOX
183 Enable a sandbox emulation of the Chrome OS EC in TPL. This supports
184 keyboard (use the -l flag to enable the LCD), verified boot context,
185 EC flash read/write/erase support and a few other things. It is
186 enough to perform a Chrome OS verified boot on sandbox.
189 bool "Enable Chrome OS EC SPI driver"
192 Enable SPI access to the Chrome OS EC. This is used on newer
193 ARM Chromebooks such as pit, pi and nyan-big. The SPI interface
194 provides a faster and more robust interface than I2C but the bugs
195 are less interesting.
198 bool "Enable support for DS4510 CPU supervisor"
200 Enable support for the Maxim DS4510 CPU supervisor. It has an
201 integrated 64-byte EEPROM, four programmable non-volatile I/O pins
202 and a configurable timer for the supervisor function. The device is
206 bool "Enable FSL SEC_MON Driver"
208 Freescale Security Monitor block is responsible for monitoring
210 Security Monitor can be transitioned on any security failures,
211 like software violations or hardware security violations.
214 bool "Intel Interrupt controller"
215 depends on X86 || SANDBOX
217 This enables support for Intel interrupt controllers, including ITSS.
218 Some devices have extra features, such as Apollo Lake. The
219 device has its own uclass since there are several operations
223 bool "Ingenic JZ4780 eFUSE support"
224 depends on ARCH_JZ47XX
226 This selects support for the eFUSE on Ingenic JZ4780 SoCs.
229 bool "Enable MXC OCOTP Driver"
230 depends on ARCH_IMX8M || ARCH_MX6 || ARCH_MX7 || ARCH_MX7ULP || ARCH_VF610
233 If you say Y here, you will get support for the One Time
234 Programmable memory pages that are stored on the some
235 Freescale i.MX processors.
237 config NUVOTON_NCT6102D
238 bool "Enable Nuvoton NCT6102D Super I/O driver"
240 If you say Y here, you will get support for the Nuvoton
241 NCT6102D Super I/O driver. This can be used to enable or
242 disable the legacy UART, the watchdog or other devices
243 in the Nuvoton Super IO chips on X86 platforms.
246 bool "Intel Primary to Sideband Bridge"
247 depends on X86 || SANDBOX
249 This enables support for the Intel Primary to Sideband Bridge,
250 abbreviated to P2SB. The P2SB is used to access various peripherals
251 such as eSPI, GPIO, through memory-mapped I/O in a large chunk of PCI
252 space. The space is segmented into different channels and peripherals
253 are accessed by device-specific means within those channels. Devices
254 should be added in the device tree as subnodes of the P2SB. A
255 Peripheral Channel Register? (PCR) API is provided to access those
256 devices - see pcr_readl(), etc.
259 bool "Intel Primary to Sideband Bridge in SPL"
260 depends on SPL && (X86 || SANDBOX)
262 The Primary to Sideband Bridge is used to access various peripherals
263 through memory-mapped I/O in a large chunk of PCI space. The space is
264 segmented into different channels and peripherals are accessed by
265 device-specific means within those channels. Devices should be added
266 in the device tree as subnodes of the p2sb.
269 bool "Intel Primary to Sideband Bridge in TPL"
270 depends on TPL && (X86 || SANDBOX)
272 The Primary to Sideband Bridge is used to access various peripherals
273 through memory-mapped I/O in a large chunk of PCI space. The space is
274 segmented into different channels and peripherals are accessed by
275 device-specific means within those channels. Devices should be added
276 in the device tree as subnodes of the p2sb.
279 bool "Enable power-sequencing drivers"
282 Power-sequencing drivers provide support for controlling power for
283 devices. They are typically referenced by a phandle from another
284 device. When the device is started up, its power sequence can be
288 bool "Enable power-sequencing drivers for SPL"
291 Power-sequencing drivers provide support for controlling power for
292 devices. They are typically referenced by a phandle from another
293 device. When the device is started up, its power sequence can be
297 bool "Enable PCA9551 LED driver"
299 Enable driver for PCA9551 LED controller. This controller
300 is connected via I2C. So I2C needs to be enabled.
302 config PCA9551_I2C_ADDR
303 hex "I2C address of PCA9551 LED controller"
304 depends on PCA9551_LED
307 The I2C address of the PCA9551 LED controller.
310 bool "Enable STM32MP fuse wrapper providing the fuse API"
311 depends on ARCH_STM32MP && MISC
312 default y if CMD_FUSE
314 If you say Y here, you will get support for the fuse API (OTP)
315 for STM32MP architecture.
316 This API is needed for CMD_FUSE.
319 bool "Enable RCC driver for the STM32 SoC's family"
320 depends on (ARCH_STM32 || ARCH_STM32MP) && MISC
322 Enable the STM32 RCC driver. The RCC block (Reset and Clock Control
323 block) is responsible of the management of the clock and reset
325 This driver is similar to an MFD driver in the Linux kernel.
328 bool "Enable support for the Tegra CAR driver"
329 depends on TEGRA_NO_BPMP
331 The Tegra CAR (Clock and Reset Controller) is a HW module that
332 controls almost all clocks and resets in a Tegra SoC.
335 bool "Enable support for the Tegra186 BPMP driver"
338 The Tegra BPMP (Boot and Power Management Processor) is a separate
339 auxiliary CPU embedded into Tegra to perform power management work,
340 and controls related features such as clocks, resets, power domains,
341 PMIC I2C bus, etc. This driver provides the core low-level
342 communication path by which feature-specific drivers (such as clock)
343 can make requests to the BPMP. This driver is similar to an MFD
344 driver in the Linux kernel.
347 bool "Enable support for test drivers"
350 This enables drivers and uclasses that provides a way of testing the
351 operations of memory allocation and driver/uclass methods in driver
352 model. This should only be enabled for testing as it is not useful for
356 bool "Enable TWL4030 LED controller"
358 Enable this to add support for the TWL4030 LED controller.
360 config WINBOND_W83627
361 bool "Enable Winbond Super I/O driver"
363 If you say Y here, you will get support for the Winbond
364 W83627 Super I/O driver. This can be used to enable the
365 legacy UART or other devices in the Winbond Super IO chips
371 Hidden option to enable QEMU fw_cfg interface and uclass. This will
372 be selected by either CONFIG_CMD_QFW or CONFIG_GENERATE_ACPI_TABLE.
378 Hidden option to enable PIO QEMU fw_cfg interface. This will be
379 selected by the appropriate QEMU board.
385 Hidden option to enable MMIO QEMU fw_cfg interface. This will be
386 selected by the appropriate QEMU board.
389 bool "Enable driver for generic I2C-attached EEPROMs"
392 Enable a generic driver for EEPROMs attached via I2C.
395 config SPL_I2C_EEPROM
396 bool "Enable driver for generic I2C-attached EEPROMs for SPL"
397 depends on MISC && SPL && SPL_DM
399 This option is an SPL-variant of the I2C_EEPROM option.
400 See the help of I2C_EEPROM for details.
404 config SYS_I2C_EEPROM_ADDR
405 hex "Chip address of the EEPROM device"
408 config SYS_I2C_EEPROM_BUS
409 int "I2C bus of the EEPROM device."
412 config SYS_EEPROM_SIZE
413 int "Size in bytes of the EEPROM device"
416 config SYS_EEPROM_PAGE_WRITE_BITS
417 int "Number of bits used to address bytes in a single page"
420 The EEPROM page size is 2^SYS_EEPROM_PAGE_WRITE_BITS.
421 A 64 byte page, for example would require six bits.
423 config SYS_EEPROM_PAGE_WRITE_DELAY_MS
424 int "Number of milliseconds to delay between page writes"
427 config SYS_I2C_EEPROM_ADDR_LEN
428 int "Length in bytes of the EEPROM memory array address"
431 Note: This is NOT the chip address length!
433 config SYS_I2C_EEPROM_ADDR_OVERFLOW
434 hex "EEPROM Address Overflow"
437 EEPROM chips that implement "address overflow" are ones
438 like Catalyst 24WC04/08/16 which has 9/10/11 bits of
439 address and the extra bits end up in the "chip address" bit
440 slots. This makes a 24WC08 (1Kbyte) chip look like four 256
445 config GDSYS_RXAUI_CTRL
446 bool "Enable gdsys RXAUI control driver"
449 Support gdsys FPGA's RXAUI control.
452 bool "Enable gdsys IOEP driver"
455 Support gdsys FPGA's IO endpoint driver.
457 config MPC83XX_SERDES
458 bool "Enable MPC83xx serdes driver"
461 Support for serdes found on MPC83xx SoCs.
464 bool "Enable loader driver for file system"
466 This is file system generic loader which can be used to load
467 the file image from the storage into target such as memory.
469 The consumer driver would then use this loader to program whatever,
473 bool "Enable gdsys SOC driver"
476 Support for gdsys IHS SOC, a simple bus associated with each gdsys
477 IHS (Integrated Hardware Systems) FPGA, which holds all devices whose
478 register maps are contained within the FPGA's register map.
481 bool "Enable IHS FPGA driver"
484 Support IHS (Integrated Hardware Systems) FPGA, the main FPGAs on
485 gdsys devices, which supply the majority of the functionality offered
486 by the devices. This driver supports both CON and CPU variants of the
487 devices, depending on the device tree entry.
489 bool "Enable K3 ESM driver"
492 Support ESM (Error Signaling Module) on TI K3 SoCs.
494 config MICROCHIP_FLEXCOM
495 bool "Enable Microchip Flexcom driver"
498 The Atmel Flexcom is just a wrapper which embeds a SPI controller,
499 an I2C controller and an USART.
500 Only one function can be used at a time and is chosen at boot time
501 according to the device tree.
504 depends on ARCH_K3 && SPL_DM_REGULATOR
505 bool "AVS class 0 support for K3 devices"
507 K3 devices have the optimized voltage values for the main voltage
508 domains stored in efuse within the VTM IP. This driver reads the
509 optimized voltage from the efuse, so that it can be programmed
510 to the PMIC on board.
513 bool "Enable PMIC ESM driver"
516 Support ESM (Error Signal Monitor) on PMIC devices. ESM is used
517 typically to reboot the board in error condition.