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.
71 config VEXPRESS_CONFIG
72 bool "Enable support for Arm Versatile Express config bus"
75 If you say Y here, you will get support for accessing the
76 configuration bus on the Arm Versatile Express boards via
80 bool "Enable crosec command"
83 Enable command-line access to the Chrome OS EC (Embedded
84 Controller). This provides the 'crosec' command which has
85 a number of sub-commands for performing EC tasks such as
86 updating its flash, accessing a small saved context area
87 and talking to the I2C bus behind the EC (if there is one).
90 bool "Enable Chrome OS EC"
92 Enable access to the Chrome OS EC. This is a separate
93 microcontroller typically available on a SPI bus on Chromebooks. It
94 provides access to the keyboard, some internal storage and may
95 control access to the battery and main PMIC depending on the
96 device. You can use the 'crosec' command to access it.
99 bool "Enable Chrome OS EC in SPL"
102 Enable access to the Chrome OS EC in SPL. This is a separate
103 microcontroller typically available on a SPI bus on Chromebooks. It
104 provides access to the keyboard, some internal storage and may
105 control access to the battery and main PMIC depending on the
106 device. You can use the 'crosec' command to access it.
109 bool "Enable Chrome OS EC in TPL"
112 Enable access to the Chrome OS EC in TPL. This is a separate
113 microcontroller typically available on a SPI bus on Chromebooks. It
114 provides access to the keyboard, some internal storage and may
115 control access to the battery and main PMIC depending on the
116 device. You can use the 'crosec' command to access it.
119 bool "Enable Chrome OS EC I2C driver"
122 Enable I2C access to the Chrome OS EC. This is used on older
123 ARM Chromebooks such as snow and spring before the standard bus
124 changed to SPI. The EC will accept commands across the I2C using
125 a special message protocol, and provide responses.
128 bool "Enable Chrome OS EC LPC driver"
131 Enable I2C access to the Chrome OS EC. This is used on x86
132 Chromebooks such as link and falco. The keyboard is provided
133 through a legacy port interface, so on x86 machines the main
134 function of the EC is power and thermal management.
136 config SPL_CROS_EC_LPC
137 bool "Enable Chrome OS EC LPC driver in SPL"
140 Enable I2C access to the Chrome OS EC. This is used on x86
141 Chromebooks such as link and falco. The keyboard is provided
142 through a legacy port interface, so on x86 machines the main
143 function of the EC is power and thermal management.
145 config TPL_CROS_EC_LPC
146 bool "Enable Chrome OS EC LPC driver in TPL"
149 Enable I2C access to the Chrome OS EC. This is used on x86
150 Chromebooks such as link and falco. The keyboard is provided
151 through a legacy port interface, so on x86 machines the main
152 function of the EC is power and thermal management.
154 config CROS_EC_SANDBOX
155 bool "Enable Chrome OS EC sandbox driver"
156 depends on CROS_EC && SANDBOX
158 Enable a sandbox emulation of the Chrome OS EC. This supports
159 keyboard (use the -l flag to enable the LCD), verified boot context,
160 EC flash read/write/erase support and a few other things. It is
161 enough to perform a Chrome OS verified boot on sandbox.
163 config SPL_CROS_EC_SANDBOX
164 bool "Enable Chrome OS EC sandbox driver in SPL"
165 depends on SPL_CROS_EC && SANDBOX
167 Enable a sandbox emulation of the Chrome OS EC in SPL. This supports
168 keyboard (use the -l flag to enable the LCD), verified boot context,
169 EC flash read/write/erase support and a few other things. It is
170 enough to perform a Chrome OS verified boot on sandbox.
172 config TPL_CROS_EC_SANDBOX
173 bool "Enable Chrome OS EC sandbox driver in TPL"
174 depends on TPL_CROS_EC && SANDBOX
176 Enable a sandbox emulation of the Chrome OS EC in TPL. This supports
177 keyboard (use the -l flag to enable the LCD), verified boot context,
178 EC flash read/write/erase support and a few other things. It is
179 enough to perform a Chrome OS verified boot on sandbox.
182 bool "Enable Chrome OS EC SPI driver"
185 Enable SPI access to the Chrome OS EC. This is used on newer
186 ARM Chromebooks such as pit, pi and nyan-big. The SPI interface
187 provides a faster and more robust interface than I2C but the bugs
188 are less interesting.
191 bool "Enable support for DS4510 CPU supervisor"
193 Enable support for the Maxim DS4510 CPU supervisor. It has an
194 integrated 64-byte EEPROM, four programmable non-volatile I/O pins
195 and a configurable timer for the supervisor function. The device is
199 bool "Enable FSL SEC_MON Driver"
201 Freescale Security Monitor block is responsible for monitoring
203 Security Monitor can be transitioned on any security failures,
204 like software violations or hardware security violations.
207 bool "Intel Interrupt controller"
208 depends on X86 || SANDBOX
210 This enables support for Intel interrupt controllers, including ITSS.
211 Some devices have extra features, such as Apollo Lake. The
212 device has its own uclass since there are several operations
216 bool "Ingenic JZ4780 eFUSE support"
217 depends on ARCH_JZ47XX
219 This selects support for the eFUSE on Ingenic JZ4780 SoCs.
222 bool "Enable MXC OCOTP Driver"
223 depends on ARCH_IMX8M || ARCH_MX6 || ARCH_MX7 || ARCH_MX7ULP || ARCH_VF610
226 If you say Y here, you will get support for the One Time
227 Programmable memory pages that are stored on the some
228 Freescale i.MX processors.
230 config NUVOTON_NCT6102D
231 bool "Enable Nuvoton NCT6102D Super I/O driver"
233 If you say Y here, you will get support for the Nuvoton
234 NCT6102D Super I/O driver. This can be used to enable or
235 disable the legacy UART, the watchdog or other devices
236 in the Nuvoton Super IO chips on X86 platforms.
239 bool "Intel Primary-to-Sideband Bus"
240 depends on X86 || SANDBOX
242 This enables support for the Intel Primary-to-Sideband bus,
243 abbreviated to P2SB. The P2SB is used to access various peripherals
244 such as eSPI, GPIO, through memory-mapped I/O in a large chunk of PCI
245 space. The space is segmented into different channels and peripherals
246 are accessed by device-specific means within those channels. Devices
247 should be added in the device tree as subnodes of the P2SB. A
248 Peripheral Channel Register? (PCR) API is provided to access those
249 devices - see pcr_readl(), etc.
252 bool "Intel Primary-to-Sideband Bus in SPL"
253 depends on SPL && (X86 || SANDBOX)
255 The Primary-to-Sideband bus is used to access various peripherals
256 through memory-mapped I/O in a large chunk of PCI space. The space is
257 segmented into different channels and peripherals are accessed by
258 device-specific means within those channels. Devices should be added
259 in the device tree as subnodes of the p2sb.
262 bool "Intel Primary-to-Sideband Bus in TPL"
263 depends on TPL && (X86 || SANDBOX)
265 The Primary-to-Sideband bus is used to access various peripherals
266 through memory-mapped I/O in a large chunk of PCI space. The space is
267 segmented into different channels and peripherals are accessed by
268 device-specific means within those channels. Devices should be added
269 in the device tree as subnodes of the p2sb.
272 bool "Enable power-sequencing drivers"
275 Power-sequencing drivers provide support for controlling power for
276 devices. They are typically referenced by a phandle from another
277 device. When the device is started up, its power sequence can be
281 bool "Enable power-sequencing drivers for SPL"
284 Power-sequencing drivers provide support for controlling power for
285 devices. They are typically referenced by a phandle from another
286 device. When the device is started up, its power sequence can be
290 bool "Enable PCA9551 LED driver"
292 Enable driver for PCA9551 LED controller. This controller
293 is connected via I2C. So I2C needs to be enabled.
295 config PCA9551_I2C_ADDR
296 hex "I2C address of PCA9551 LED controller"
297 depends on PCA9551_LED
300 The I2C address of the PCA9551 LED controller.
303 bool "Enable STM32MP fuse wrapper providing the fuse API"
304 depends on ARCH_STM32MP && MISC
305 default y if CMD_FUSE
307 If you say Y here, you will get support for the fuse API (OTP)
308 for STM32MP architecture.
309 This API is needed for CMD_FUSE.
312 bool "Enable RCC driver for the STM32 SoC's family"
313 depends on (STM32 || ARCH_STM32MP) && MISC
315 Enable the STM32 RCC driver. The RCC block (Reset and Clock Control
316 block) is responsible of the management of the clock and reset
318 This driver is similar to an MFD driver in the Linux kernel.
321 bool "Enable support for the Tegra CAR driver"
322 depends on TEGRA_NO_BPMP
324 The Tegra CAR (Clock and Reset Controller) is a HW module that
325 controls almost all clocks and resets in a Tegra SoC.
328 bool "Enable support for the Tegra186 BPMP driver"
331 The Tegra BPMP (Boot and Power Management Processor) is a separate
332 auxiliary CPU embedded into Tegra to perform power management work,
333 and controls related features such as clocks, resets, power domains,
334 PMIC I2C bus, etc. This driver provides the core low-level
335 communication path by which feature-specific drivers (such as clock)
336 can make requests to the BPMP. This driver is similar to an MFD
337 driver in the Linux kernel.
340 bool "Enable TWL4030 LED controller"
342 Enable this to add support for the TWL4030 LED controller.
344 config WINBOND_W83627
345 bool "Enable Winbond Super I/O driver"
347 If you say Y here, you will get support for the Winbond
348 W83627 Super I/O driver. This can be used to enable the
349 legacy UART or other devices in the Winbond Super IO chips
355 Hidden option to enable QEMU fw_cfg interface. This will be selected by
356 either CONFIG_CMD_QFW or CONFIG_GENERATE_ACPI_TABLE.
359 bool "Enable driver for generic I2C-attached EEPROMs"
362 Enable a generic driver for EEPROMs attached via I2C.
365 config SPL_I2C_EEPROM
366 bool "Enable driver for generic I2C-attached EEPROMs for SPL"
367 depends on MISC && SPL && SPL_DM
369 This option is an SPL-variant of the I2C_EEPROM option.
370 See the help of I2C_EEPROM for details.
372 config ZYNQ_GEM_I2C_MAC_OFFSET
373 hex "Set the I2C MAC offset"
377 Set the MAC offset for i2C.
381 config SYS_I2C_EEPROM_ADDR
382 hex "Chip address of the EEPROM device"
385 config SYS_I2C_EEPROM_BUS
386 int "I2C bus of the EEPROM device."
389 config SYS_EEPROM_SIZE
390 int "Size in bytes of the EEPROM device"
393 config SYS_EEPROM_PAGE_WRITE_BITS
394 int "Number of bits used to address bytes in a single page"
397 The EEPROM page size is 2^SYS_EEPROM_PAGE_WRITE_BITS.
398 A 64 byte page, for example would require six bits.
400 config SYS_EEPROM_PAGE_WRITE_DELAY_MS
401 int "Number of milliseconds to delay between page writes"
404 config SYS_I2C_EEPROM_ADDR_LEN
405 int "Length in bytes of the EEPROM memory array address"
408 Note: This is NOT the chip address length!
410 config SYS_I2C_EEPROM_ADDR_OVERFLOW
411 hex "EEPROM Address Overflow"
414 EEPROM chips that implement "address overflow" are ones
415 like Catalyst 24WC04/08/16 which has 9/10/11 bits of
416 address and the extra bits end up in the "chip address" bit
417 slots. This makes a 24WC08 (1Kbyte) chip look like four 256
422 config GDSYS_RXAUI_CTRL
423 bool "Enable gdsys RXAUI control driver"
426 Support gdsys FPGA's RXAUI control.
429 bool "Enable gdsys IOEP driver"
432 Support gdsys FPGA's IO endpoint driver.
434 config MPC83XX_SERDES
435 bool "Enable MPC83xx serdes driver"
438 Support for serdes found on MPC83xx SoCs.
441 bool "Enable loader driver for file system"
443 This is file system generic loader which can be used to load
444 the file image from the storage into target such as memory.
446 The consumer driver would then use this loader to program whatever,
450 bool "Enable gdsys SOC driver"
453 Support for gdsys IHS SOC, a simple bus associated with each gdsys
454 IHS (Integrated Hardware Systems) FPGA, which holds all devices whose
455 register maps are contained within the FPGA's register map.
458 bool "Enable IHS FPGA driver"
461 Support IHS (Integrated Hardware Systems) FPGA, the main FPGAs on
462 gdsys devices, which supply the majority of the functionality offered
463 by the devices. This driver supports both CON and CPU variants of the
464 devices, depending on the device tree entry.
466 config MICROCHIP_FLEXCOM
467 bool "Enable Microchip Flexcom driver"
470 The Atmel Flexcom is just a wrapper which embeds a SPI controller,
471 an I2C controller and an USART.
472 Only one function can be used at a time and is chosen at boot time
473 according to the device tree.
476 depends on ARCH_K3 && SPL_DM_REGULATOR
477 bool "AVS class 0 support for K3 devices"
479 K3 devices have the optimized voltage values for the main voltage
480 domains stored in efuse within the VTM IP. This driver reads the
481 optimized voltage from the efuse, so that it can be programmed
482 to the PMIC on board.