91c4e54ca904fd53d2e52a9b439fe291dd234f7d
[deliverable/linux.git] / arch / cris / arch-v32 / drivers / Kconfig
1 if ETRAX_ARCH_V32
2
3 config ETRAX_ETHERNET
4 bool "Ethernet support"
5 depends on ETRAX_ARCH_V32
6 select ETHERNET
7 select MII
8 help
9 This option enables the ETRAX FS built-in 10/100Mbit Ethernet
10 controller.
11
12 config ETRAX_NO_PHY
13 bool "PHY not present"
14 depends on ETRAX_ETHERNET
15 default N
16 help
17 This option disables all MDIO communication with an ethernet
18 transceiver connected to the MII interface. This option shall
19 typically be enabled if the MII interface is connected to a
20 switch. This option should normally be disabled. If enabled,
21 speed and duplex will be locked to 100 Mbit and full duplex.
22
23 config ETRAX_ETHERNET_IFACE0
24 depends on ETRAX_ETHERNET
25 bool "Enable network interface 0"
26
27 config ETRAX_ETHERNET_IFACE1
28 depends on (ETRAX_ETHERNET && ETRAXFS)
29 bool "Enable network interface 1 (uses DMA6 and DMA7)"
30
31 config ETRAX_ETHERNET_GBIT
32 depends on (ETRAX_ETHERNET && CRIS_MACH_ARTPEC3)
33 bool "Enable gigabit Ethernet support"
34
35 choice
36 prompt "Eth0 led group"
37 depends on ETRAX_ETHERNET_IFACE0
38 default ETRAX_ETH0_USE_LEDGRP0
39
40 config ETRAX_ETH0_USE_LEDGRP0
41 bool "Use LED grp 0"
42 depends on ETRAX_NBR_LED_GRP_ONE || ETRAX_NBR_LED_GRP_TWO
43 help
44 Use LED grp 0 for eth0
45
46 config ETRAX_ETH0_USE_LEDGRP1
47 bool "Use LED grp 1"
48 depends on ETRAX_NBR_LED_GRP_TWO
49 help
50 Use LED grp 1 for eth0
51
52 config ETRAX_ETH0_USE_LEDGRPNULL
53 bool "Use no LEDs for eth0"
54 help
55 Use no LEDs for eth0
56 endchoice
57
58 choice
59 prompt "Eth1 led group"
60 depends on ETRAX_ETHERNET_IFACE1
61 default ETRAX_ETH1_USE_LEDGRP1
62
63 config ETRAX_ETH1_USE_LEDGRP0
64 bool "Use LED grp 0"
65 depends on ETRAX_NBR_LED_GRP_ONE || ETRAX_NBR_LED_GRP_TWO
66 help
67 Use LED grp 0 for eth1
68
69 config ETRAX_ETH1_USE_LEDGRP1
70 bool "Use LED grp 1"
71 depends on ETRAX_NBR_LED_GRP_TWO
72 help
73 Use LED grp 1 for eth1
74
75 config ETRAX_ETH1_USE_LEDGRPNULL
76 bool "Use no LEDs for eth1"
77 help
78 Use no LEDs for eth1
79 endchoice
80
81 config ETRAXFS_SERIAL
82 bool "Serial-port support"
83 depends on ETRAX_ARCH_V32
84 select SERIAL_CORE
85 select SERIAL_CORE_CONSOLE
86 help
87 Enables the ETRAX FS serial driver for ser0 (ttyS0)
88 You probably want this enabled.
89
90 config ETRAX_RS485
91 bool "RS-485 support"
92 depends on ETRAXFS_SERIAL
93 help
94 Enables support for RS-485 serial communication.
95
96 config ETRAX_RS485_DISABLE_RECEIVER
97 bool "Disable serial receiver"
98 depends on ETRAX_RS485
99 help
100 It is necessary to disable the serial receiver to avoid serial
101 loopback. Not all products are able to do this in software only.
102
103 config ETRAX_SERIAL_PORT0
104 bool "Serial port 0 enabled"
105 depends on ETRAXFS_SERIAL
106 help
107 Enables the ETRAX FS serial driver for ser0 (ttyS0)
108 Normally you want this on. You can control what DMA channels to use
109 if you do not need DMA to something else.
110 ser0 can use dma4 or dma6 for output and dma5 or dma7 for input.
111
112 choice
113 prompt "Ser0 default port type "
114 depends on ETRAX_SERIAL_PORT0
115 default ETRAX_SERIAL_PORT0_TYPE_232
116 help
117 Type of serial port.
118
119 config ETRAX_SERIAL_PORT0_TYPE_232
120 bool "Ser0 is a RS-232 port"
121 help
122 Configure serial port 0 to be a RS-232 port.
123
124 config ETRAX_SERIAL_PORT0_TYPE_485HD
125 bool "Ser0 is a half duplex RS-485 port"
126 depends on ETRAX_RS485
127 help
128 Configure serial port 0 to be a half duplex (two wires) RS-485 port.
129
130 config ETRAX_SERIAL_PORT0_TYPE_485FD
131 bool "Ser0 is a full duplex RS-485 port"
132 depends on ETRAX_RS485
133 help
134 Configure serial port 0 to be a full duplex (four wires) RS-485 port.
135 endchoice
136
137 config ETRAX_SER0_DTR_BIT
138 string "Ser 0 DTR bit (empty = not used)"
139 depends on ETRAX_SERIAL_PORT0
140
141 config ETRAX_SER0_RI_BIT
142 string "Ser 0 RI bit (empty = not used)"
143 depends on ETRAX_SERIAL_PORT0
144
145 config ETRAX_SER0_DSR_BIT
146 string "Ser 0 DSR bit (empty = not used)"
147 depends on ETRAX_SERIAL_PORT0
148
149 config ETRAX_SER0_CD_BIT
150 string "Ser 0 CD bit (empty = not used)"
151 depends on ETRAX_SERIAL_PORT0
152
153 config ETRAX_SERIAL_PORT1
154 bool "Serial port 1 enabled"
155 depends on ETRAXFS_SERIAL
156 help
157 Enables the ETRAX FS serial driver for ser1 (ttyS1).
158
159 choice
160 prompt "Ser1 default port type"
161 depends on ETRAX_SERIAL_PORT1
162 default ETRAX_SERIAL_PORT1_TYPE_232
163 help
164 Type of serial port.
165
166 config ETRAX_SERIAL_PORT1_TYPE_232
167 bool "Ser1 is a RS-232 port"
168 help
169 Configure serial port 1 to be a RS-232 port.
170
171 config ETRAX_SERIAL_PORT1_TYPE_485HD
172 bool "Ser1 is a half duplex RS-485 port"
173 depends on ETRAX_RS485
174 help
175 Configure serial port 1 to be a half duplex (two wires) RS-485 port.
176
177 config ETRAX_SERIAL_PORT1_TYPE_485FD
178 bool "Ser1 is a full duplex RS-485 port"
179 depends on ETRAX_RS485
180 help
181 Configure serial port 1 to be a full duplex (four wires) RS-485 port.
182 endchoice
183
184 config ETRAX_SER1_DTR_BIT
185 string "Ser 1 DTR bit (empty = not used)"
186 depends on ETRAX_SERIAL_PORT1
187
188 config ETRAX_SER1_RI_BIT
189 string "Ser 1 RI bit (empty = not used)"
190 depends on ETRAX_SERIAL_PORT1
191
192 config ETRAX_SER1_DSR_BIT
193 string "Ser 1 DSR bit (empty = not used)"
194 depends on ETRAX_SERIAL_PORT1
195
196 config ETRAX_SER1_CD_BIT
197 string "Ser 1 CD bit (empty = not used)"
198 depends on ETRAX_SERIAL_PORT1
199
200 config ETRAX_SERIAL_PORT2
201 bool "Serial port 2 enabled"
202 depends on ETRAXFS_SERIAL
203 help
204 Enables the ETRAX FS serial driver for ser2 (ttyS2).
205
206 choice
207 prompt "Ser2 default port type"
208 depends on ETRAX_SERIAL_PORT2
209 default ETRAX_SERIAL_PORT2_TYPE_232
210 help
211 What DMA channel to use for ser2
212
213 config ETRAX_SERIAL_PORT2_TYPE_232
214 bool "Ser2 is a RS-232 port"
215 help
216 Configure serial port 2 to be a RS-232 port.
217
218 config ETRAX_SERIAL_PORT2_TYPE_485HD
219 bool "Ser2 is a half duplex RS-485 port"
220 depends on ETRAX_RS485
221 help
222 Configure serial port 2 to be a half duplex (two wires) RS-485 port.
223
224 config ETRAX_SERIAL_PORT2_TYPE_485FD
225 bool "Ser2 is a full duplex RS-485 port"
226 depends on ETRAX_RS485
227 help
228 Configure serial port 2 to be a full duplex (four wires) RS-485 port.
229 endchoice
230
231
232 config ETRAX_SER2_DTR_BIT
233 string "Ser 2 DTR bit (empty = not used)"
234 depends on ETRAX_SERIAL_PORT2
235
236 config ETRAX_SER2_RI_BIT
237 string "Ser 2 RI bit (empty = not used)"
238 depends on ETRAX_SERIAL_PORT2
239
240 config ETRAX_SER2_DSR_BIT
241 string "Ser 2 DSR bit (empty = not used)"
242 depends on ETRAX_SERIAL_PORT2
243
244 config ETRAX_SER2_CD_BIT
245 string "Ser 2 CD bit (empty = not used)"
246 depends on ETRAX_SERIAL_PORT2
247
248 config ETRAX_SERIAL_PORT3
249 bool "Serial port 3 enabled"
250 depends on ETRAXFS_SERIAL
251 help
252 Enables the ETRAX FS serial driver for ser3 (ttyS3).
253
254 choice
255 prompt "Ser3 default port type"
256 depends on ETRAX_SERIAL_PORT3
257 default ETRAX_SERIAL_PORT3_TYPE_232
258 help
259 What DMA channel to use for ser3.
260
261 config ETRAX_SERIAL_PORT3_TYPE_232
262 bool "Ser3 is a RS-232 port"
263 help
264 Configure serial port 3 to be a RS-232 port.
265
266 config ETRAX_SERIAL_PORT3_TYPE_485HD
267 bool "Ser3 is a half duplex RS-485 port"
268 depends on ETRAX_RS485
269 help
270 Configure serial port 3 to be a half duplex (two wires) RS-485 port.
271
272 config ETRAX_SERIAL_PORT3_TYPE_485FD
273 bool "Ser3 is a full duplex RS-485 port"
274 depends on ETRAX_RS485
275 help
276 Configure serial port 3 to be a full duplex (four wires) RS-485 port.
277 endchoice
278
279 config ETRAX_SER3_DTR_BIT
280 string "Ser 3 DTR bit (empty = not used)"
281 depends on ETRAX_SERIAL_PORT3
282
283 config ETRAX_SER3_RI_BIT
284 string "Ser 3 RI bit (empty = not used)"
285 depends on ETRAX_SERIAL_PORT3
286
287 config ETRAX_SER3_DSR_BIT
288 string "Ser 3 DSR bit (empty = not used)"
289 depends on ETRAX_SERIAL_PORT3
290
291 config ETRAX_SER3_CD_BIT
292 string "Ser 3 CD bit (empty = not used)"
293 depends on ETRAX_SERIAL_PORT3
294
295 config ETRAX_SERIAL_PORT4
296 bool "Serial port 4 enabled"
297 depends on ETRAXFS_SERIAL && CRIS_MACH_ARTPEC3
298 help
299 Enables the ETRAX FS serial driver for ser4 (ttyS4).
300
301 choice
302 prompt "Ser4 default port type"
303 depends on ETRAX_SERIAL_PORT4
304 default ETRAX_SERIAL_PORT4_TYPE_232
305 help
306 What DMA channel to use for ser4.
307
308 config ETRAX_SERIAL_PORT4_TYPE_232
309 bool "Ser4 is a RS-232 port"
310 help
311 Configure serial port 4 to be a RS-232 port.
312
313 config ETRAX_SERIAL_PORT4_TYPE_485HD
314 bool "Ser4 is a half duplex RS-485 port"
315 depends on ETRAX_RS485
316 help
317 Configure serial port 4 to be a half duplex (two wires) RS-485 port.
318
319 config ETRAX_SERIAL_PORT4_TYPE_485FD
320 bool "Ser4 is a full duplex RS-485 port"
321 depends on ETRAX_RS485
322 help
323 Configure serial port 4 to be a full duplex (four wires) RS-485 port.
324 endchoice
325
326 choice
327 prompt "Ser4 DMA in channel "
328 depends on ETRAX_SERIAL_PORT4
329 default ETRAX_SERIAL_PORT4_NO_DMA_IN
330 help
331 What DMA channel to use for ser4.
332
333
334 config ETRAX_SERIAL_PORT4_NO_DMA_IN
335 bool "Ser4 uses no DMA for input"
336 help
337 Do not use DMA for ser4 input.
338
339 config ETRAX_SERIAL_PORT4_DMA9_IN
340 bool "Ser4 uses DMA9 for input"
341 depends on ETRAX_SERIAL_PORT4
342 help
343 Enables the DMA9 input channel for ser4 (ttyS4).
344 If you do not enable DMA, an interrupt for each character will be
345 used when receiving data.
346 Normally you want to use DMA, unless you use the DMA channel for
347 something else.
348
349 endchoice
350
351 config ETRAX_SER4_DTR_BIT
352 string "Ser 4 DTR bit (empty = not used)"
353 depends on ETRAX_SERIAL_PORT4
354
355 config ETRAX_SER4_RI_BIT
356 string "Ser 4 RI bit (empty = not used)"
357 depends on ETRAX_SERIAL_PORT4
358
359 config ETRAX_SER4_DSR_BIT
360 string "Ser 4 DSR bit (empty = not used)"
361 depends on ETRAX_SERIAL_PORT4
362
363 config ETRAX_SER4_CD_BIT
364 string "Ser 4 CD bit (empty = not used)"
365 depends on ETRAX_SERIAL_PORT4
366
367 config ETRAX_SYNCHRONOUS_SERIAL
368 bool "Synchronous serial-port support"
369 depends on ETRAX_ARCH_V32
370 help
371 Enables the ETRAX FS synchronous serial driver.
372
373 config ETRAX_SYNCHRONOUS_SERIAL_PORT0
374 bool "Synchronous serial port 0 enabled"
375 depends on ETRAX_SYNCHRONOUS_SERIAL
376 help
377 Enabled synchronous serial port 0.
378
379 config ETRAX_SYNCHRONOUS_SERIAL0_DMA
380 bool "Enable DMA on synchronous serial port 0."
381 depends on ETRAX_SYNCHRONOUS_SERIAL_PORT0
382 help
383 A synchronous serial port can run in manual or DMA mode.
384 Selecting this option will make it run in DMA mode.
385
386 config ETRAX_SYNCHRONOUS_SERIAL_PORT1
387 bool "Synchronous serial port 1 enabled"
388 depends on ETRAX_SYNCHRONOUS_SERIAL && ETRAXFS
389 help
390 Enabled synchronous serial port 1.
391
392 config ETRAX_SYNCHRONOUS_SERIAL1_DMA
393 bool "Enable DMA on synchronous serial port 1."
394 depends on ETRAX_SYNCHRONOUS_SERIAL_PORT1
395 help
396 A synchronous serial port can run in manual or DMA mode.
397 Selecting this option will make it run in DMA mode.
398
399 config ETRAX_AXISFLASHMAP
400 bool "Axis flash-map support"
401 depends on ETRAX_ARCH_V32
402 select MTD
403 select MTD_CFI
404 select MTD_CFI_AMDSTD
405 select MTD_JEDECPROBE
406 select MTD_BLOCK
407 select MTD_COMPLEX_MAPPINGS
408 help
409 This option enables MTD mapping of flash devices. Needed to use
410 flash memories. If unsure, say Y.
411
412 config ETRAX_AXISFLASHMAP_MTD0WHOLE
413 bool "MTD0 is whole boot flash device"
414 depends on ETRAX_AXISFLASHMAP
415 default N
416 help
417 When this option is not set, mtd0 refers to the first partition
418 on the boot flash device. When set, mtd0 refers to the whole
419 device, with mtd1 referring to the first partition etc.
420
421 config ETRAX_PTABLE_SECTOR
422 int "Byte-offset of partition table sector"
423 depends on ETRAX_AXISFLASHMAP
424 default "65536"
425 help
426 Byte-offset of the partition table in the first flash chip.
427 The default value is 64kB and should not be changed unless
428 you know exactly what you are doing. The only valid reason
429 for changing this is when the flash block size is bigger
430 than 64kB (e.g. when using two parallel 16 bit flashes).
431
432 config ETRAX_NANDFLASH
433 bool "NAND flash support"
434 depends on ETRAX_ARCH_V32
435 select MTD_NAND
436 select MTD_NAND_IDS
437 help
438 This option enables MTD mapping of NAND flash devices. Needed to use
439 NAND flash memories. If unsure, say Y.
440
441 config ETRAX_NANDBOOT
442 bool "Boot from NAND flash"
443 depends on ETRAX_NANDFLASH
444 help
445 This options enables booting from NAND flash devices.
446 Say Y if your boot code, kernel and root file system is in
447 NAND flash. Say N if they are in NOR flash.
448
449 config ETRAX_I2C
450 bool "I2C driver"
451 depends on ETRAX_ARCH_V32
452 help
453 This option enables the I2C driver used by e.g. the RTC driver.
454
455 config ETRAX_V32_I2C_DATA_PORT
456 string "I2C data pin"
457 depends on ETRAX_I2C
458 help
459 The pin to use for I2C data.
460
461 config ETRAX_V32_I2C_CLK_PORT
462 string "I2C clock pin"
463 depends on ETRAX_I2C
464 help
465 The pin to use for I2C clock.
466
467 config ETRAX_GPIO
468 bool "GPIO support"
469 depends on ETRAX_ARCH_V32
470 ---help---
471 Enables the ETRAX general port device (major 120, minors 0-4).
472 You can use this driver to access the general port bits. It supports
473 these ioctl's:
474 #include <linux/etraxgpio.h>
475 fd = open("/dev/gpioa", O_RDWR); // or /dev/gpiob
476 ioctl(fd, _IO(ETRAXGPIO_IOCTYPE, IO_SETBITS), bits_to_set);
477 ioctl(fd, _IO(ETRAXGPIO_IOCTYPE, IO_CLRBITS), bits_to_clear);
478 err = ioctl(fd, _IO(ETRAXGPIO_IOCTYPE, IO_READ_INBITS), &val);
479 Remember that you need to setup the port directions appropriately in
480 the General configuration.
481
482 config ETRAX_VIRTUAL_GPIO
483 bool "Virtual GPIO support"
484 depends on ETRAX_GPIO
485 help
486 Enables the virtual Etrax general port device (major 120, minor 6).
487 It uses an I/O expander for the I2C-bus.
488
489 config ETRAX_VIRTUAL_GPIO_INTERRUPT_PA_PIN
490 int "Virtual GPIO interrupt pin on PA pin"
491 range 0 7
492 depends on ETRAX_VIRTUAL_GPIO
493 help
494 The pin to use on PA for virtual gpio interrupt.
495
496 config ETRAX_PA_CHANGEABLE_DIR
497 hex "PA user changeable dir mask"
498 depends on ETRAX_GPIO
499 default "0x00" if ETRAXFS
500 default "0x00000000" if !ETRAXFS
501 help
502 This is a bitmask (8 bits) with information of what bits in PA that a
503 user can change direction on using ioctl's.
504 Bit set = changeable.
505 You probably want 0 here, but it depends on your hardware.
506
507 config ETRAX_PA_CHANGEABLE_BITS
508 hex "PA user changeable bits mask"
509 depends on ETRAX_GPIO
510 default "0x00" if ETRAXFS
511 default "0x00000000" if !ETRAXFS
512 help
513 This is a bitmask (8 bits) with information of what bits in PA
514 that a user can change the value on using ioctl's.
515 Bit set = changeable.
516
517 config ETRAX_PB_CHANGEABLE_DIR
518 hex "PB user changeable dir mask"
519 depends on ETRAX_GPIO
520 default "0x00000" if ETRAXFS
521 default "0x00000000" if !ETRAXFS
522 help
523 This is a bitmask (18 bits) with information of what bits in PB
524 that a user can change direction on using ioctl's.
525 Bit set = changeable.
526 You probably want 0 here, but it depends on your hardware.
527
528 config ETRAX_PB_CHANGEABLE_BITS
529 hex "PB user changeable bits mask"
530 depends on ETRAX_GPIO
531 default "0x00000" if ETRAXFS
532 default "0x00000000" if !ETRAXFS
533 help
534 This is a bitmask (18 bits) with information of what bits in PB
535 that a user can change the value on using ioctl's.
536 Bit set = changeable.
537
538 config ETRAX_PC_CHANGEABLE_DIR
539 hex "PC user changeable dir mask"
540 depends on ETRAX_GPIO
541 default "0x00000" if ETRAXFS
542 default "0x00000000" if !ETRAXFS
543 help
544 This is a bitmask (18 bits) with information of what bits in PC
545 that a user can change direction on using ioctl's.
546 Bit set = changeable.
547 You probably want 0 here, but it depends on your hardware.
548
549 config ETRAX_PC_CHANGEABLE_BITS
550 hex "PC user changeable bits mask"
551 depends on ETRAX_GPIO
552 default "0x00000" if ETRAXFS
553 default "0x00000000" if ETRAXFS
554 help
555 This is a bitmask (18 bits) with information of what bits in PC
556 that a user can change the value on using ioctl's.
557 Bit set = changeable.
558
559 config ETRAX_PD_CHANGEABLE_DIR
560 hex "PD user changeable dir mask"
561 depends on ETRAX_GPIO && ETRAXFS
562 default "0x00000"
563 help
564 This is a bitmask (18 bits) with information of what bits in PD
565 that a user can change direction on using ioctl's.
566 Bit set = changeable.
567 You probably want 0x00000 here, but it depends on your hardware.
568
569 config ETRAX_PD_CHANGEABLE_BITS
570 hex "PD user changeable bits mask"
571 depends on ETRAX_GPIO && ETRAXFS
572 default "0x00000"
573 help
574 This is a bitmask (18 bits) with information of what bits in PD
575 that a user can change the value on using ioctl's.
576 Bit set = changeable.
577
578 config ETRAX_PE_CHANGEABLE_DIR
579 hex "PE user changeable dir mask"
580 depends on ETRAX_GPIO && ETRAXFS
581 default "0x00000"
582 help
583 This is a bitmask (18 bits) with information of what bits in PE
584 that a user can change direction on using ioctl's.
585 Bit set = changeable.
586 You probably want 0x00000 here, but it depends on your hardware.
587
588 config ETRAX_PE_CHANGEABLE_BITS
589 hex "PE user changeable bits mask"
590 depends on ETRAX_GPIO && ETRAXFS
591 default "0x00000"
592 help
593 This is a bitmask (18 bits) with information of what bits in PE
594 that a user can change the value on using ioctl's.
595 Bit set = changeable.
596
597 config ETRAX_PV_CHANGEABLE_DIR
598 hex "PV user changeable dir mask"
599 depends on ETRAX_VIRTUAL_GPIO
600 default "0x0000"
601 help
602 This is a bitmask (16 bits) with information of what bits in PV
603 that a user can change direction on using ioctl's.
604 Bit set = changeable.
605 You probably want 0x0000 here, but it depends on your hardware.
606
607 config ETRAX_PV_CHANGEABLE_BITS
608 hex "PV user changeable bits mask"
609 depends on ETRAX_VIRTUAL_GPIO
610 default "0x0000"
611 help
612 This is a bitmask (16 bits) with information of what bits in PV
613 that a user can change the value on using ioctl's.
614 Bit set = changeable.
615
616 config ETRAX_CARDBUS
617 bool "Cardbus support"
618 depends on ETRAX_ARCH_V32
619 select HOTPLUG
620 help
621 Enabled the ETRAX Cardbus driver.
622
623 config PCI
624 bool
625 depends on ETRAX_CARDBUS
626 default y
627 select HAVE_GENERIC_DMA_COHERENT
628
629 config ETRAX_IOP_FW_LOAD
630 tristate "IO-processor hotplug firmware loading support"
631 depends on ETRAX_ARCH_V32
632 select FW_LOADER
633 help
634 Enables IO-processor hotplug firmware loading support.
635
636 config ETRAX_STREAMCOPROC
637 tristate "Stream co-processor driver enabled"
638 depends on ETRAX_ARCH_V32
639 help
640 This option enables a driver for the stream co-processor
641 for cryptographic operations.
642
643 source drivers/mmc/Kconfig
644
645 config ETRAX_MMC_IOP
646 tristate "MMC/SD host driver using IO-processor"
647 depends on ETRAX_ARCH_V32 && MMC
648 help
649 This option enables the SD/MMC host controller interface.
650 The host controller is implemented using the built in
651 IO-Processor. Only the SPU is used in this implementation.
652
653 config ETRAX_SPI_MMC
654 # Make this one of several "choices" (possible simultaneously but
655 # suggested uniquely) when an IOP driver emerges for "real" MMC/SD
656 # protocol support.
657 tristate
658 depends on !ETRAX_MMC_IOP
659 default MMC
660 select SPI
661 select MMC_SPI
662 select ETRAX_SPI_MMC_BOARD
663
664 # For the parts that can't be a module (due to restrictions in
665 # framework elsewhere).
666 config ETRAX_SPI_MMC_BOARD
667 boolean
668 default n
669
670 # While the board info is MMC_SPI only, the drivers are written to be
671 # independent of MMC_SPI, so we'll keep SPI non-dependent on the
672 # MMC_SPI config choices (well, except for a single depends-on-line
673 # for the board-info file until a separate non-MMC SPI board file
674 # emerges).
675 # FIXME: When that happens, we'll need to be able to ask for and
676 # configure non-MMC SPI ports together with MMC_SPI ports (if multiple
677 # SPI ports are enabled).
678
679 config SPI_ETRAX_SSER
680 tristate
681 depends on SPI_MASTER && ETRAX_ARCH_V32
682 select SPI_BITBANG
683 help
684 This enables using an synchronous serial (sser) port as a
685 SPI master controller on Axis ETRAX FS and later. The
686 driver can be configured to use any sser port.
687
688 config SPI_ETRAX_GPIO
689 tristate
690 depends on SPI_MASTER && ETRAX_ARCH_V32
691 select SPI_BITBANG
692 help
693 This enables using GPIO pins port as a SPI master controller
694 on Axis ETRAX FS and later. The driver can be configured to
695 use any GPIO pins.
696
697 config ETRAX_SPI_SSER0
698 tristate "SPI using synchronous serial port 0 (sser0)"
699 depends on ETRAX_SPI_MMC
700 default m if MMC_SPI=m
701 default y if MMC_SPI=y
702 default y if MMC_SPI=n
703 select SPI_ETRAX_SSER
704 help
705 Say Y for an MMC/SD socket connected to synchronous serial port 0,
706 or for devices using the SPI protocol on that port. Say m if you
707 want to build it as a module, which will be named spi_crisv32_sser.
708 (You need to select MMC separately.)
709
710 config ETRAX_SPI_SSER0_DMA
711 bool "DMA for SPI on sser0 enabled"
712 depends on ETRAX_SPI_SSER0
713 depends on !ETRAX_SERIAL_PORT1_DMA4_OUT && !ETRAX_SERIAL_PORT1_DMA5_IN
714 default y
715 help
716 Say Y if using DMA (dma4/dma5) for SPI on synchronous serial port 0.
717
718 config ETRAX_SPI_MMC_CD_SSER0_PIN
719 string "MMC/SD card detect pin for SPI on sser0"
720 depends on ETRAX_SPI_SSER0 && MMC_SPI
721 default "pd11"
722 help
723 The pin to use for SD/MMC card detect. This pin should be pulled up
724 and grounded when a card is present. If defined as " " (space), no
725 pin is selected. A card must then always be inserted for proper
726 action.
727
728 config ETRAX_SPI_MMC_WP_SSER0_PIN
729 string "MMC/SD card write-protect pin for SPI on sser0"
730 depends on ETRAX_SPI_SSER0 && MMC_SPI
731 default "pd10"
732 help
733 The pin to use for the SD/MMC write-protect signal for a memory
734 card. If defined as " " (space), the card is considered writable.
735
736 config ETRAX_SPI_SSER1
737 tristate "SPI using synchronous serial port 1 (sser1)"
738 depends on ETRAX_SPI_MMC
739 default m if MMC_SPI=m && ETRAX_SPI_SSER0=n
740 default y if MMC_SPI=y && ETRAX_SPI_SSER0=n
741 default y if MMC_SPI=n && ETRAX_SPI_SSER0=n
742 select SPI_ETRAX_SSER
743 help
744 Say Y for an MMC/SD socket connected to synchronous serial port 1,
745 or for devices using the SPI protocol on that port. Say m if you
746 want to build it as a module, which will be named spi_crisv32_sser.
747 (You need to select MMC separately.)
748
749 config ETRAX_SPI_SSER1_DMA
750 bool "DMA for SPI on sser1 enabled"
751 depends on ETRAX_SPI_SSER1 && !ETRAX_ETHERNET_IFACE1
752 depends on !ETRAX_SERIAL_PORT0_DMA6_OUT && !ETRAX_SERIAL_PORT0_DMA7_IN
753 default y
754 help
755 Say Y if using DMA (dma6/dma7) for SPI on synchronous serial port 1.
756
757 config ETRAX_SPI_MMC_CD_SSER1_PIN
758 string "MMC/SD card detect pin for SPI on sser1"
759 depends on ETRAX_SPI_SSER1 && MMC_SPI
760 default "pd12"
761 help
762 The pin to use for SD/MMC card detect. This pin should be pulled up
763 and grounded when a card is present. If defined as " " (space), no
764 pin is selected. A card must then always be inserted for proper
765 action.
766
767 config ETRAX_SPI_MMC_WP_SSER1_PIN
768 string "MMC/SD card write-protect pin for SPI on sser1"
769 depends on ETRAX_SPI_SSER1 && MMC_SPI
770 default "pd9"
771 help
772 The pin to use for the SD/MMC write-protect signal for a memory
773 card. If defined as " " (space), the card is considered writable.
774
775 config ETRAX_SPI_GPIO
776 tristate "Bitbanged SPI using gpio pins"
777 depends on ETRAX_SPI_MMC
778 select SPI_ETRAX_GPIO
779 default m if MMC_SPI=m && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n
780 default y if MMC_SPI=y && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n
781 default y if MMC_SPI=n && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n
782 help
783 Say Y for an MMC/SD socket connected to general I/O pins (but not
784 a complete synchronous serial ports), or for devices using the SPI
785 protocol on general I/O pins. Slow and slows down the system.
786 Say m to build it as a module, which will be called spi_crisv32_gpio.
787 (You need to select MMC separately.)
788
789 # The default match that of sser0, only because that's how it was tested.
790 config ETRAX_SPI_CS_PIN
791 string "SPI chip select pin"
792 depends on ETRAX_SPI_GPIO
793 default "pc3"
794 help
795 The pin to use for SPI chip select.
796
797 config ETRAX_SPI_CLK_PIN
798 string "SPI clock pin"
799 depends on ETRAX_SPI_GPIO
800 default "pc1"
801 help
802 The pin to use for the SPI clock.
803
804 config ETRAX_SPI_DATAIN_PIN
805 string "SPI MISO (data in) pin"
806 depends on ETRAX_SPI_GPIO
807 default "pc16"
808 help
809 The pin to use for SPI data in from the device.
810
811 config ETRAX_SPI_DATAOUT_PIN
812 string "SPI MOSI (data out) pin"
813 depends on ETRAX_SPI_GPIO
814 default "pc0"
815 help
816 The pin to use for SPI data out to the device.
817
818 config ETRAX_SPI_MMC_CD_GPIO_PIN
819 string "MMC/SD card detect pin for SPI using gpio (space for none)"
820 depends on ETRAX_SPI_GPIO && MMC_SPI
821 default "pd11"
822 help
823 The pin to use for SD/MMC card detect. This pin should be pulled up
824 and grounded when a card is present. If defined as " " (space), no
825 pin is selected. A card must then always be inserted for proper
826 action.
827
828 config ETRAX_SPI_MMC_WP_GPIO_PIN
829 string "MMC/SD card write-protect pin for SPI using gpio (space for none)"
830 depends on ETRAX_SPI_GPIO && MMC_SPI
831 default "pd10"
832 help
833 The pin to use for the SD/MMC write-protect signal for a memory
834 card. If defined as " " (space), the card is considered writable.
835
836 # Avoid choices causing non-working configs by conditionalizing the inclusion.
837 if ETRAX_SPI_MMC
838 source drivers/spi/Kconfig
839 endif
840
841 endif
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