2 # SPI driver configuration
4 # NOTE: the reason this doesn't show SPI slave support is mostly that
5 # nobody's needed a slave side API yet. The master-role API is not
6 # fully appropriate there, so it'd need some thought to do well.
14 The "Serial Peripheral Interface" is a low level synchronous
15 protocol. Chips that support SPI can have data transfer rates
16 up to several tens of Mbit/sec. Chips are addressed with a
17 controller and a chipselect. Most SPI slaves don't support
18 dynamic device discovery; some are even write-only or read-only.
20 SPI is widely used by microcontrollers to talk with sensors,
21 eeprom and flash memory, codecs and various other controller
22 chips, analog to digital (and d-to-a) converters, and more.
23 MMC and SD cards can be accessed using SPI protocol; and for
24 DataFlash cards used in MMC sockets, SPI must always be used.
26 SPI is one of a family of similar protocols using a four wire
27 interface (select, clock, data in, data out) including Microwire
28 (half duplex), SSP, SSI, and PSP. This driver framework should
29 work with most such devices and controllers.
32 boolean "Debug support for SPI drivers"
33 depends on SPI && DEBUG_KERNEL
35 Say "yes" to enable debug messaging (like dev_dbg and pr_debug),
36 sysfs, and debugfs support in SPI controller and protocol drivers.
39 # MASTER side ... talking to discrete SPI slave chips including microcontrollers
43 # boolean "SPI Master Support"
47 If your system has an master-capable SPI controller (which
48 provides the clock and chipselect), you can enable that
49 controller and the protocol drivers for the SPI slave chips
52 comment "SPI Master Controller Drivers"
56 tristate "Atmel SPI Controller"
57 depends on (ARCH_AT91 || AVR32) && SPI_MASTER
59 This selects a driver for the Atmel SPI Controller, present on
60 many AT32 (AVR32) and AT91 (ARM) chips.
63 tristate "SPI controller driver for ADI Blackfin5xx"
64 depends on SPI_MASTER && BFIN
66 This is the SPI controller master driver for Blackfin 5xx processor.
69 tristate "Au1550/Au12x0 SPI Controller"
70 depends on SPI_MASTER && (SOC_AU1550 || SOC_AU1200) && EXPERIMENTAL
73 If you say yes to this option, support will be included for the
74 Au1550 SPI controller (may also work with Au1200,Au1210,Au1250).
76 This driver can also be built as a module. If so, the module
77 will be called au1550_spi.
80 tristate "Bitbanging SPI master"
81 depends on SPI_MASTER && EXPERIMENTAL
83 With a few GPIO pins, your system can bitbang the SPI protocol.
84 Select this to get SPI support through I/O pins (GPIO, parallel
85 port, etc). Or, some systems' SPI master controller drivers use
86 this code to manage the per-word or per-transfer accesses to the
87 hardware shift registers.
89 This is library code, and is automatically selected by drivers that
90 need it. You only need to select this explicitly to support driver
91 modules that aren't part of this kernel tree.
94 tristate "Parallel port adapter for AVR Butterfly (DEVELOPMENT)"
95 depends on SPI_MASTER && PARPORT && EXPERIMENTAL
98 This uses a custom parallel port cable to connect to an AVR
99 Butterfly <http://www.atmel.com/products/avr/butterfly>, an
100 inexpensive battery powered microcontroller evaluation board.
101 This same cable can be used to flash new firmware.
104 tristate "Freescale iMX SPI controller"
105 depends on SPI_MASTER && ARCH_IMX && EXPERIMENTAL
107 This enables using the Freescale iMX SPI controller in master
111 tristate "Parallel port adapter for LM70 eval board (DEVELOPMENT)"
112 depends on SPI_MASTER && PARPORT && EXPERIMENTAL
115 This driver supports the NS LM70 LLP Evaluation Board,
116 which interfaces to an LM70 temperature sensor using
119 config SPI_MPC52xx_PSC
120 tristate "Freescale MPC52xx PSC SPI controller"
121 depends on SPI_MASTER && PPC_MPC52xx && EXPERIMENTAL
123 This enables using the Freescale MPC52xx Programmable Serial
124 Controller in master SPI mode.
127 tristate "Freescale MPC83xx SPI controller"
128 depends on SPI_MASTER && PPC_83xx && EXPERIMENTAL
131 This enables using the Freescale MPC83xx SPI controller in master
134 Note, this driver uniquely supports the SPI controller on the MPC83xx
135 family of PowerPC processors. The MPC83xx uses a simple set of shift
136 registers for data (opposed to the CPM based descriptor model).
138 config SPI_OMAP_UWIRE
139 tristate "OMAP1 MicroWire"
140 depends on SPI_MASTER && ARCH_OMAP1
143 This hooks up to the MicroWire controller on OMAP1 chips.
146 tristate "McSPI driver for OMAP24xx"
147 depends on SPI_MASTER && ARCH_OMAP24XX
149 SPI master controller for OMAP24xx Multichannel SPI
153 tristate "PXA2xx SSP SPI master"
154 depends on SPI_MASTER && ARCH_PXA && EXPERIMENTAL
156 This enables using a PXA2xx SSP port as a SPI master controller.
157 The driver can be configured to use any SSP port and additional
158 documentation can be found a Documentation/spi/pxa2xx.
161 tristate "Samsung S3C24XX series SPI"
162 depends on SPI_MASTER && ARCH_S3C2410 && EXPERIMENTAL
165 SPI driver for Samsung S3C24XX series ARM SoCs
167 config SPI_S3C24XX_GPIO
168 tristate "Samsung S3C24XX series SPI by GPIO"
169 depends on SPI_MASTER && ARCH_S3C2410 && EXPERIMENTAL
172 SPI driver for Samsung S3C24XX series ARM SoCs using
173 GPIO lines to provide the SPI bus. This can be used where
174 the inbuilt hardware cannot provide the transfer mode, or
175 where the board is using non hardware connected pins.
178 tristate "Toshiba TXx9 SPI controller"
179 depends on SPI_MASTER && GENERIC_GPIO && CPU_TX49XX
181 SPI driver for Toshiba TXx9 MIPS SoCs
184 tristate "Xilinx SPI controller"
185 depends on SPI_MASTER && XILINX_VIRTEX && EXPERIMENTAL
188 This exposes the SPI controller IP from the Xilinx EDK.
190 See the "OPB Serial Peripheral Interface (SPI) (v1.00e)"
191 Product Specification document (DS464) for hardware details.
194 # Add new SPI master controllers in alphabetical order above this line
198 # There are lots of SPI device types, with sensors and memory
199 # being probably the most widely used ones.
201 comment "SPI Protocol Masters"
202 depends on SPI_MASTER
205 tristate "SPI EEPROMs from most vendors"
206 depends on SPI_MASTER && SYSFS
208 Enable this driver to get read/write support to most SPI EEPROMs,
209 after you configure the board init code to know about each eeprom
210 on your target board.
212 This driver can also be built as a module. If so, the module
216 depends on SPI_MASTER
217 tristate "TSC2101 chip support"
219 Say Y here if you want support for the TSC2101 chip.
220 At the moment it provides basic register read / write interface
221 as well as a way to enable the MCLK clock.
224 depends on SPI_MASTER
225 tristate "TSC2102 codec support"
227 Say Y here if you want support for the TSC2102 chip. It
228 will be needed for the touchscreen driver on some boards.
231 depends on SPI_MASTER && EXPERIMENTAL
232 tristate "TSC2101/TSC2102 chips support"
234 Say Y here if you want support for the TSC210x chips. It
235 will be needed for the touchscreen driver on some boards.
237 Note that the device has to be present in the board's SPI
238 devices table for this driver to load. This driver doesn't
239 automatically enable touchscreen, sensors or audio
240 functionality - enable these in their respective menus.
243 tristate "TSC2301 driver"
244 depends on SPI_MASTER
246 Say Y here if you have a TSC2301 chip connected to an SPI
249 The TSC2301 is a highly integrated PDA analog interface circuit.
250 It contains a complete 12-bit A/D resistive touch screen
251 converter (ADC) including drivers, touch pressure measurement
252 capability, keypad controller, and 8-bit D/A converter (DAC) output
253 for LCD contrast control.
255 To compile this driver as a module, choose M here: the
256 module will be called tsc2301.
258 config SPI_TSC2301_AUDIO
259 boolean "TSC2301 audio support"
260 depends on SPI_TSC2301 && SND
262 Say Y here for if you are using the audio features of TSC2301.
265 tristate "User mode SPI device driver support"
266 depends on SPI_MASTER && EXPERIMENTAL
268 This supports user mode SPI protocol drivers.
270 Note that this application programming interface is EXPERIMENTAL
271 and hence SUBJECT TO CHANGE WITHOUT NOTICE while it stabilizes.
274 tristate "Infineon TLE62X0 (for power switching)"
275 depends on SPI_MASTER && SYSFS
277 SPI driver for Infineon TLE62X0 series line driver chips,
278 such as the TLE6220, TLE6230 and TLE6240. This provides a
279 sysfs interface, with each line presented as a kind of GPIO
280 exposing both switch control and diagnostic feedback.
283 # Add new SPI protocol masters in alphabetical order above this line
286 # (slave support would go here)
288 endmenu # "SPI support"