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mtd: nand: omap: Fix comment in platform data using wrong Kconfig symbol
[linux/fpc-iii.git] / arch / arm / mach-pxa / stargate2.c
blobc28d19b126a790669a05cee1226dc9a7107ca108
1 /*
2 * linux/arch/arm/mach-pxa/stargate2.c
3 *
4 * Author: Ed C. Epp
5 * Created: Nov 05, 2002
6 * Copyright: Intel Corp.
7 *
8 * Modified 2009: Jonathan Cameron <jic23@cam.ac.uk>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15 #include <linux/init.h>
16 #include <linux/device.h>
17 #include <linux/interrupt.h>
18 #include <linux/sched.h>
19 #include <linux/bitops.h>
20 #include <linux/fb.h>
21 #include <linux/delay.h>
22 #include <linux/platform_device.h>
23 #include <linux/regulator/machine.h>
24 #include <linux/mtd/mtd.h>
25 #include <linux/mtd/plat-ram.h>
26 #include <linux/mtd/partitions.h>
27
28 #include <linux/platform_data/i2c-pxa.h>
29 #include <linux/platform_data/pcf857x.h>
30 #include <linux/smc91x.h>
31 #include <linux/gpio/machine.h>
32 #include <linux/gpio.h>
33 #include <linux/leds.h>
34 #include <linux/property.h>
35
36 #include <asm/types.h>
37 #include <asm/setup.h>
38 #include <asm/memory.h>
39 #include <asm/mach-types.h>
40 #include <asm/irq.h>
41
42 #include <asm/mach/arch.h>
43 #include <asm/mach/map.h>
44 #include <asm/mach/irq.h>
45 #include <asm/mach/flash.h>
46
47 #include "pxa27x.h"
48 #include <linux/platform_data/mmc-pxamci.h>
49 #include "udc.h"
50 #include "pxa27x-udc.h"
51 #include <mach/smemc.h>
52
53 #include <linux/spi/spi.h>
54 #include <linux/spi/pxa2xx_spi.h>
55 #include <linux/mfd/da903x.h>
56
57 #include "devices.h"
58 #include "generic.h"
59
60 #define STARGATE_NR_IRQS (IRQ_BOARD_START + 8)
61
62 /* Bluetooth */
63 #define SG2_BT_RESET 81
64
65 /* SD */
66 #define SG2_GPIO_nSD_DETECT 90
67 #define SG2_SD_POWER_ENABLE 89
68
69 static unsigned long sg2_im2_unified_pin_config[] __initdata = {
70 /* Device Identification for wakeup*/
71 GPIO102_GPIO,
72 /* DA9030 */
73 GPIO1_GPIO,
74
75 /* MMC */
76 GPIO32_MMC_CLK,
77 GPIO112_MMC_CMD,
78 GPIO92_MMC_DAT_0,
79 GPIO109_MMC_DAT_1,
80 GPIO110_MMC_DAT_2,
81 GPIO111_MMC_DAT_3,
82
83 /* 802.15.4 radio - driver out of mainline */
84 GPIO22_GPIO, /* CC_RSTN */
85 GPIO114_GPIO, /* CC_FIFO */
86 GPIO116_GPIO, /* CC_CCA */
87 GPIO0_GPIO, /* CC_FIFOP */
88 GPIO16_GPIO, /* CCSFD */
89 GPIO115_GPIO, /* Power enable */
90
91 /* I2C */
92 GPIO117_I2C_SCL,
93 GPIO118_I2C_SDA,
94
95 /* SSP 3 - 802.15.4 radio */
96 GPIO39_GPIO, /* Chip Select */
97 GPIO34_SSP3_SCLK,
98 GPIO35_SSP3_TXD,
99 GPIO41_SSP3_RXD,
100
101 /* SSP 2 to daughter boards */
102 GPIO11_SSP2_RXD,
103 GPIO38_SSP2_TXD,
104 GPIO36_SSP2_SCLK,
105 GPIO37_GPIO, /* chip select */
106
107 /* SSP 1 - to daughter boards */
108 GPIO24_GPIO, /* Chip Select */
109 GPIO23_SSP1_SCLK,
110 GPIO25_SSP1_TXD,
111 GPIO26_SSP1_RXD,
112
113 /* BTUART Basic Connector*/
114 GPIO42_BTUART_RXD,
115 GPIO43_BTUART_TXD,
116 GPIO44_BTUART_CTS,
117 GPIO45_BTUART_RTS,
118
119 /* STUART - IM2 via debug board not sure on SG2*/
120 GPIO46_STUART_RXD,
121 GPIO47_STUART_TXD,
122
123 /* Basic sensor board */
124 GPIO96_GPIO, /* accelerometer interrupt */
125 GPIO99_GPIO, /* ADC interrupt */
126
127 /* SHT15 */
128 GPIO100_GPIO,
129 GPIO98_GPIO,
130
131 /* Basic sensor board */
132 GPIO96_GPIO, /* accelerometer interrupt */
133 GPIO99_GPIO, /* ADC interrupt */
134
135 /* Connector pins specified as gpios */
136 GPIO94_GPIO, /* large basic connector pin 14 */
137 GPIO10_GPIO, /* large basic connector pin 23 */
138 };
139
140 static struct gpiod_lookup_table sht15_gpiod_table = {
141 .dev_id = "sht15",
142 .table = {
143 /* FIXME: should this have |GPIO_OPEN_DRAIN set? */
144 GPIO_LOOKUP("gpio-pxa", 100, "data", GPIO_ACTIVE_HIGH),
145 GPIO_LOOKUP("gpio-pxa", 98, "clk", GPIO_ACTIVE_HIGH),
146 },
147 };
148
149 static struct platform_device sht15 = {
150 .name = "sht15",
151 .id = -1,
152 };
153
154 static struct regulator_consumer_supply stargate2_sensor_3_con[] = {
155 REGULATOR_SUPPLY("vcc", "sht15"),
156 };
157
158 enum stargate2_ldos{
159 vcc_vref,
160 vcc_cc2420,
161 /* a mote connector? */
162 vcc_mica,
163 /* the CSR bluecore chip */
164 vcc_bt,
165 /* The two voltages available to sensor boards */
166 vcc_sensor_1_8,
167 vcc_sensor_3,
168 /* directly connected to the pxa27x */
169 vcc_sram_ext,
170 vcc_pxa_pll,
171 vcc_pxa_usim, /* Reference voltage for certain gpios */
172 vcc_pxa_mem,
173 vcc_pxa_flash,
174 vcc_pxa_core, /*Dc-Dc buck not yet supported */
175 vcc_lcd,
176 vcc_bb,
177 vcc_bbio, /*not sure!*/
178 vcc_io, /* cc2420 802.15.4 radio and pxa vcc_io ?*/
179 };
180
181 /* The values of the various regulator constraints are obviously dependent
182 * on exactly what is wired to each ldo. Unfortunately this information is
183 * not generally available. More information has been requested from Xbow.
184 */
185 static struct regulator_init_data stargate2_ldo_init_data[] = {
186 [vcc_bbio] = {
187 .constraints = { /* board default 1.8V */
188 .name = "vcc_bbio",
189 .min_uV = 1800000,
190 .max_uV = 1800000,
191 },
192 },
193 [vcc_bb] = {
194 .constraints = { /* board default 2.8V */
195 .name = "vcc_bb",
196 .min_uV = 2700000,
197 .max_uV = 3000000,
198 },
199 },
200 [vcc_pxa_flash] = {
201 .constraints = {/* default is 1.8V */
202 .name = "vcc_pxa_flash",
203 .min_uV = 1800000,
204 .max_uV = 1800000,
205 },
206 },
207 [vcc_cc2420] = { /* also vcc_io */
208 .constraints = {
209 /* board default is 2.8V */
210 .name = "vcc_cc2420",
211 .min_uV = 2700000,
212 .max_uV = 3300000,
213 },
214 },
215 [vcc_vref] = { /* Reference for what? */
216 .constraints = { /* default 1.8V */
217 .name = "vcc_vref",
218 .min_uV = 1800000,
219 .max_uV = 1800000,
220 },
221 },
222 [vcc_sram_ext] = {
223 .constraints = { /* default 2.8V */
224 .name = "vcc_sram_ext",
225 .min_uV = 2800000,
226 .max_uV = 2800000,
227 },
228 },
229 [vcc_mica] = {
230 .constraints = { /* default 2.8V */
231 .name = "vcc_mica",
232 .min_uV = 2800000,
233 .max_uV = 2800000,
234 },
235 },
236 [vcc_bt] = {
237 .constraints = { /* default 2.8V */
238 .name = "vcc_bt",
239 .min_uV = 2800000,
240 .max_uV = 2800000,
241 },
242 },
243 [vcc_lcd] = {
244 .constraints = { /* default 2.8V */
245 .name = "vcc_lcd",
246 .min_uV = 2700000,
247 .max_uV = 3300000,
248 },
249 },
250 [vcc_io] = { /* Same or higher than everything
251 * bar vccbat and vccusb */
252 .constraints = { /* default 2.8V */
253 .name = "vcc_io",
254 .min_uV = 2692000,
255 .max_uV = 3300000,
256 },
257 },
258 [vcc_sensor_1_8] = {
259 .constraints = { /* default 1.8V */
260 .name = "vcc_sensor_1_8",
261 .min_uV = 1800000,
262 .max_uV = 1800000,
263 },
264 },
265 [vcc_sensor_3] = { /* curiously default 2.8V */
266 .constraints = {
267 .name = "vcc_sensor_3",
268 .min_uV = 2800000,
269 .max_uV = 3000000,
270 },
271 .num_consumer_supplies = ARRAY_SIZE(stargate2_sensor_3_con),
272 .consumer_supplies = stargate2_sensor_3_con,
273 },
274 [vcc_pxa_pll] = { /* 1.17V - 1.43V, default 1.3V*/
275 .constraints = {
276 .name = "vcc_pxa_pll",
277 .min_uV = 1170000,
278 .max_uV = 1430000,
279 },
280 },
281 [vcc_pxa_usim] = {
282 .constraints = { /* default 1.8V */
283 .name = "vcc_pxa_usim",
284 .min_uV = 1710000,
285 .max_uV = 2160000,
286 },
287 },
288 [vcc_pxa_mem] = {
289 .constraints = { /* default 1.8V */
290 .name = "vcc_pxa_mem",
291 .min_uV = 1800000,
292 .max_uV = 1800000,
293 },
294 },
295 };
296
297 static struct mtd_partition stargate2flash_partitions[] = {
298 {
299 .name = "Bootloader",
300 .size = 0x00040000,
301 .offset = 0,
302 .mask_flags = 0,
303 }, {
304 .name = "Kernel",
305 .size = 0x00200000,
306 .offset = 0x00040000,
307 .mask_flags = 0
308 }, {
309 .name = "Filesystem",
310 .size = 0x01DC0000,
311 .offset = 0x00240000,
312 .mask_flags = 0
313 },
314 };
315
316 static struct resource flash_resources = {
317 .start = PXA_CS0_PHYS,
318 .end = PXA_CS0_PHYS + SZ_32M - 1,
319 .flags = IORESOURCE_MEM,
320 };
321
322 static struct flash_platform_data stargate2_flash_data = {
323 .map_name = "cfi_probe",
324 .parts = stargate2flash_partitions,
325 .nr_parts = ARRAY_SIZE(stargate2flash_partitions),
326 .name = "PXA27xOnChipROM",
327 .width = 2,
328 };
329
330 static struct platform_device stargate2_flash_device = {
331 .name = "pxa2xx-flash",
332 .id = 0,
333 .dev = {
334 .platform_data = &stargate2_flash_data,
335 },
336 .resource = &flash_resources,
337 .num_resources = 1,
338 };
339
340 static struct pxa2xx_spi_controller pxa_ssp_master_0_info = {
341 .num_chipselect = 1,
342 };
343
344 static struct pxa2xx_spi_controller pxa_ssp_master_1_info = {
345 .num_chipselect = 1,
346 };
347
348 static struct pxa2xx_spi_controller pxa_ssp_master_2_info = {
349 .num_chipselect = 1,
350 };
351
352 /* An upcoming kernel change will scrap SFRM usage so these
353 * drivers have been moved to use gpio's via cs_control */
354 static struct pxa2xx_spi_chip staccel_chip_info = {
355 .tx_threshold = 8,
356 .rx_threshold = 8,
357 .dma_burst_size = 8,
358 .timeout = 235,
359 .gpio_cs = 24,
360 };
361
362 static struct pxa2xx_spi_chip cc2420_info = {
363 .tx_threshold = 8,
364 .rx_threshold = 8,
365 .dma_burst_size = 8,
366 .timeout = 235,
367 .gpio_cs = 39,
368 };
369
370 static struct spi_board_info spi_board_info[] __initdata = {
371 {
372 .modalias = "lis3l02dq",
373 .max_speed_hz = 8000000,/* 8MHz max spi frequency at 3V */
374 .bus_num = 1,
375 .chip_select = 0,
376 .controller_data = &staccel_chip_info,
377 .irq = PXA_GPIO_TO_IRQ(96),
378 }, {
379 .modalias = "cc2420",
380 .max_speed_hz = 6500000,
381 .bus_num = 3,
382 .chip_select = 0,
383 .controller_data = &cc2420_info,
384 },
385 };
386
387 static void sg2_udc_command(int cmd)
388 {
389 switch (cmd) {
390 case PXA2XX_UDC_CMD_CONNECT:
391 UP2OCR |= UP2OCR_HXOE | UP2OCR_DPPUE | UP2OCR_DPPUBE;
392 break;
393 case PXA2XX_UDC_CMD_DISCONNECT:
394 UP2OCR &= ~(UP2OCR_HXOE | UP2OCR_DPPUE | UP2OCR_DPPUBE);
395 break;
396 }
397 }
398
399 static struct i2c_pxa_platform_data i2c_pwr_pdata = {
400 .fast_mode = 1,
401 };
402
403 static struct i2c_pxa_platform_data i2c_pdata = {
404 .fast_mode = 1,
405 };
406
407 static void __init imote2_stargate2_init(void)
408 {
409
410 pxa2xx_mfp_config(ARRAY_AND_SIZE(sg2_im2_unified_pin_config));
411
412 pxa_set_ffuart_info(NULL);
413 pxa_set_btuart_info(NULL);
414 pxa_set_stuart_info(NULL);
415
416 pxa2xx_set_spi_info(1, &pxa_ssp_master_0_info);
417 pxa2xx_set_spi_info(2, &pxa_ssp_master_1_info);
418 pxa2xx_set_spi_info(3, &pxa_ssp_master_2_info);
419 spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
420
421
422 pxa27x_set_i2c_power_info(&i2c_pwr_pdata);
423 pxa_set_i2c_info(&i2c_pdata);
424 }
425
426 #ifdef CONFIG_MACH_INTELMOTE2
427 /* As the the imote2 doesn't currently have a conventional SD slot
428 * there is no option to hotplug cards, making all this rather simple
429 */
430 static int imote2_mci_get_ro(struct device *dev)
431 {
432 return 0;
433 }
434
435 /* Rather simple case as hotplugging not possible */
436 static struct pxamci_platform_data imote2_mci_platform_data = {
437 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, /* default anyway */
438 .get_ro = imote2_mci_get_ro,
439 };
440
441 static struct gpio_led imote2_led_pins[] = {
442 {
443 .name = "imote2:red",
444 .gpio = 103,
445 .active_low = 1,
446 }, {
447 .name = "imote2:green",
448 .gpio = 104,
449 .active_low = 1,
450 }, {
451 .name = "imote2:blue",
452 .gpio = 105,
453 .active_low = 1,
454 },
455 };
456
457 static struct gpio_led_platform_data imote2_led_data = {
458 .num_leds = ARRAY_SIZE(imote2_led_pins),
459 .leds = imote2_led_pins,
460 };
461
462 static struct platform_device imote2_leds = {
463 .name = "leds-gpio",
464 .id = -1,
465 .dev = {
466 .platform_data = &imote2_led_data,
467 },
468 };
469
470 static struct da903x_subdev_info imote2_da9030_subdevs[] = {
471 {
472 .name = "da903x-regulator",
473 .id = DA9030_ID_LDO2,
474 .platform_data = &stargate2_ldo_init_data[vcc_bbio],
475 }, {
476 .name = "da903x-regulator",
477 .id = DA9030_ID_LDO3,
478 .platform_data = &stargate2_ldo_init_data[vcc_bb],
479 }, {
480 .name = "da903x-regulator",
481 .id = DA9030_ID_LDO4,
482 .platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
483 }, {
484 .name = "da903x-regulator",
485 .id = DA9030_ID_LDO5,
486 .platform_data = &stargate2_ldo_init_data[vcc_cc2420],
487 }, {
488 .name = "da903x-regulator",
489 .id = DA9030_ID_LDO6,
490 .platform_data = &stargate2_ldo_init_data[vcc_vref],
491 }, {
492 .name = "da903x-regulator",
493 .id = DA9030_ID_LDO7,
494 .platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
495 }, {
496 .name = "da903x-regulator",
497 .id = DA9030_ID_LDO8,
498 .platform_data = &stargate2_ldo_init_data[vcc_mica],
499 }, {
500 .name = "da903x-regulator",
501 .id = DA9030_ID_LDO9,
502 .platform_data = &stargate2_ldo_init_data[vcc_bt],
503 }, {
504 .name = "da903x-regulator",
505 .id = DA9030_ID_LDO10,
506 .platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
507 }, {
508 .name = "da903x-regulator",
509 .id = DA9030_ID_LDO11,
510 .platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
511 }, {
512 .name = "da903x-regulator",
513 .id = DA9030_ID_LDO12,
514 .platform_data = &stargate2_ldo_init_data[vcc_lcd],
515 }, {
516 .name = "da903x-regulator",
517 .id = DA9030_ID_LDO15,
518 .platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
519 }, {
520 .name = "da903x-regulator",
521 .id = DA9030_ID_LDO17,
522 .platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
523 }, {
524 .name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
525 .id = DA9030_ID_LDO18,
526 .platform_data = &stargate2_ldo_init_data[vcc_io],
527 }, {
528 .name = "da903x-regulator",
529 .id = DA9030_ID_LDO19,
530 .platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
531 },
532 };
533
534 static struct da903x_platform_data imote2_da9030_pdata = {
535 .num_subdevs = ARRAY_SIZE(imote2_da9030_subdevs),
536 .subdevs = imote2_da9030_subdevs,
537 };
538
539 static struct i2c_board_info __initdata imote2_pwr_i2c_board_info[] = {
540 {
541 .type = "da9030",
542 .addr = 0x49,
543 .platform_data = &imote2_da9030_pdata,
544 .irq = PXA_GPIO_TO_IRQ(1),
545 },
546 };
547
548 static struct i2c_board_info __initdata imote2_i2c_board_info[] = {
549 { /* UCAM sensor board */
550 .type = "max1239",
551 .addr = 0x35,
552 }, { /* ITS400 Sensor board only */
553 .type = "max1363",
554 .addr = 0x34,
555 /* Through a nand gate - Also beware, on V2 sensor board the
556 * pull up resistors are missing.
557 */
558 .irq = PXA_GPIO_TO_IRQ(99),
559 }, { /* ITS400 Sensor board only */
560 .type = "tsl2561",
561 .addr = 0x49,
562 /* Through a nand gate - Also beware, on V2 sensor board the
563 * pull up resistors are missing.
564 */
565 .irq = PXA_GPIO_TO_IRQ(99),
566 }, { /* ITS400 Sensor board only */
567 .type = "tmp175",
568 .addr = 0x4A,
569 .irq = PXA_GPIO_TO_IRQ(96),
570 }, { /* IMB400 Multimedia board */
571 .type = "wm8940",
572 .addr = 0x1A,
573 },
574 };
575
576 static unsigned long imote2_pin_config[] __initdata = {
577
578 /* Button */
579 GPIO91_GPIO,
580
581 /* LEDS */
582 GPIO103_GPIO, /* red led */
583 GPIO104_GPIO, /* green led */
584 GPIO105_GPIO, /* blue led */
585 };
586
587 static struct pxa2xx_udc_mach_info imote2_udc_info __initdata = {
588 .udc_command = sg2_udc_command,
589 };
590
591 static struct platform_device imote2_audio_device = {
592 .name = "imote2-audio",
593 .id = -1,
594 };
595
596 static struct platform_device *imote2_devices[] = {
597 &stargate2_flash_device,
598 &imote2_leds,
599 &sht15,
600 &imote2_audio_device,
601 };
602
603 static void __init imote2_init(void)
604 {
605 pxa2xx_mfp_config(ARRAY_AND_SIZE(imote2_pin_config));
606
607 imote2_stargate2_init();
608
609 gpiod_add_lookup_table(&sht15_gpiod_table);
610 platform_add_devices(imote2_devices, ARRAY_SIZE(imote2_devices));
611
612 i2c_register_board_info(0, imote2_i2c_board_info,
613 ARRAY_SIZE(imote2_i2c_board_info));
614 i2c_register_board_info(1, imote2_pwr_i2c_board_info,
615 ARRAY_SIZE(imote2_pwr_i2c_board_info));
616
617 pxa_set_mci_info(&imote2_mci_platform_data);
618 pxa_set_udc_info(&imote2_udc_info);
619 }
620 #endif
621
622 #ifdef CONFIG_MACH_STARGATE2
623
624 static unsigned long stargate2_pin_config[] __initdata = {
625
626 GPIO15_nCS_1, /* SRAM */
627 /* SMC91x */
628 GPIO80_nCS_4,
629 GPIO40_GPIO, /*cable detect?*/
630
631 /* Button */
632 GPIO91_GPIO | WAKEUP_ON_LEVEL_HIGH,
633
634 /* Compact Flash */
635 GPIO79_PSKTSEL,
636 GPIO48_nPOE,
637 GPIO49_nPWE,
638 GPIO50_nPIOR,
639 GPIO51_nPIOW,
640 GPIO85_nPCE_1,
641 GPIO54_nPCE_2,
642 GPIO55_nPREG,
643 GPIO56_nPWAIT,
644 GPIO57_nIOIS16,
645 GPIO120_GPIO, /* Buff ctrl */
646 GPIO108_GPIO, /* Power ctrl */
647 GPIO82_GPIO, /* Reset */
648 GPIO53_GPIO, /* SG2_S0_GPIO_DETECT */
649
650 /* MMC not shared with imote2 */
651 GPIO90_GPIO, /* nSD detect */
652 GPIO89_GPIO, /* SD_POWER_ENABLE */
653
654 /* Bluetooth */
655 GPIO81_GPIO, /* reset */
656 };
657
658 static struct resource smc91x_resources[] = {
659 [0] = {
660 .name = "smc91x-regs",
661 .start = (PXA_CS4_PHYS + 0x300),
662 .end = (PXA_CS4_PHYS + 0xfffff),
663 .flags = IORESOURCE_MEM,
664 },
665 [1] = {
666 .start = PXA_GPIO_TO_IRQ(40),
667 .end = PXA_GPIO_TO_IRQ(40),
668 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
669 }
670 };
671
672 static struct smc91x_platdata stargate2_smc91x_info = {
673 .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT
674 | SMC91X_NOWAIT | SMC91X_USE_DMA,
675 .pxa_u16_align4 = true,
676 };
677
678 static struct platform_device smc91x_device = {
679 .name = "smc91x",
680 .id = -1,
681 .num_resources = ARRAY_SIZE(smc91x_resources),
682 .resource = smc91x_resources,
683 .dev = {
684 .platform_data = &stargate2_smc91x_info,
685 },
686 };
687
688
689 /*
690 * The card detect interrupt isn't debounced so we delay it by 250ms
691 * to give the card a chance to fully insert / eject.
692 */
693 static int stargate2_mci_init(struct device *dev,
694 irq_handler_t stargate2_detect_int,
695 void *data)
696 {
697 int err;
698
699 err = gpio_request(SG2_SD_POWER_ENABLE, "SG2_sd_power_enable");
700 if (err) {
701 printk(KERN_ERR "Can't get the gpio for SD power control");
702 goto return_err;
703 }
704 gpio_direction_output(SG2_SD_POWER_ENABLE, 0);
705
706 err = gpio_request(SG2_GPIO_nSD_DETECT, "SG2_sd_detect");
707 if (err) {
708 printk(KERN_ERR "Can't get the sd detect gpio");
709 goto free_power_en;
710 }
711 gpio_direction_input(SG2_GPIO_nSD_DETECT);
712
713 err = request_irq(PXA_GPIO_TO_IRQ(SG2_GPIO_nSD_DETECT),
714 stargate2_detect_int,
715 IRQ_TYPE_EDGE_BOTH,
716 "MMC card detect",
717 data);
718 if (err) {
719 printk(KERN_ERR "can't request MMC card detect IRQ\n");
720 goto free_nsd_detect;
721 }
722 return 0;
723
724 free_nsd_detect:
725 gpio_free(SG2_GPIO_nSD_DETECT);
726 free_power_en:
727 gpio_free(SG2_SD_POWER_ENABLE);
728 return_err:
729 return err;
730 }
731
732 /**
733 * stargate2_mci_setpower() - set state of mmc power supply
734 *
735 * Very simple control. Either it is on or off and is controlled by
736 * a gpio pin */
737 static int stargate2_mci_setpower(struct device *dev, unsigned int vdd)
738 {
739 gpio_set_value(SG2_SD_POWER_ENABLE, !!vdd);
740 return 0;
741 }
742
743 static void stargate2_mci_exit(struct device *dev, void *data)
744 {
745 free_irq(PXA_GPIO_TO_IRQ(SG2_GPIO_nSD_DETECT), data);
746 gpio_free(SG2_SD_POWER_ENABLE);
747 gpio_free(SG2_GPIO_nSD_DETECT);
748 }
749
750 static struct pxamci_platform_data stargate2_mci_platform_data = {
751 .detect_delay_ms = 250,
752 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
753 .init = stargate2_mci_init,
754 .setpower = stargate2_mci_setpower,
755 .exit = stargate2_mci_exit,
756 };
757
758
759 /*
760 * SRAM - The Stargate 2 has 32MB of SRAM.
761 *
762 * Here it is made available as an MTD. This will then
763 * typically have a cifs filesystem created on it to provide
764 * fast temporary storage.
765 */
766 static struct resource sram_resources = {
767 .start = PXA_CS1_PHYS,
768 .end = PXA_CS1_PHYS + SZ_32M-1,
769 .flags = IORESOURCE_MEM,
770 };
771
772 static struct platdata_mtd_ram stargate2_sram_pdata = {
773 .mapname = "Stargate2 SRAM",
774 .bankwidth = 2,
775 };
776
777 static struct platform_device stargate2_sram = {
778 .name = "mtd-ram",
779 .id = 0,
780 .resource = &sram_resources,
781 .num_resources = 1,
782 .dev = {
783 .platform_data = &stargate2_sram_pdata,
784 },
785 };
786
787 static struct pcf857x_platform_data platform_data_pcf857x = {
788 .gpio_base = 128,
789 .n_latch = 0,
790 .setup = NULL,
791 .teardown = NULL,
792 .context = NULL,
793 };
794
795 static const struct property_entry pca9500_eeprom_properties[] = {
796 PROPERTY_ENTRY_U32("pagesize", 4),
797 { }
798 };
799
800 /**
801 * stargate2_reset_bluetooth() reset the bluecore to ensure consistent state
802 **/
803 static int stargate2_reset_bluetooth(void)
804 {
805 int err;
806 err = gpio_request(SG2_BT_RESET, "SG2_BT_RESET");
807 if (err) {
808 printk(KERN_ERR "Could not get gpio for bluetooth reset\n");
809 return err;
810 }
811 gpio_direction_output(SG2_BT_RESET, 1);
812 mdelay(5);
813 /* now reset it - 5 msec minimum */
814 gpio_set_value(SG2_BT_RESET, 0);
815 mdelay(10);
816 gpio_set_value(SG2_BT_RESET, 1);
817 gpio_free(SG2_BT_RESET);
818 return 0;
819 }
820
821 static struct led_info stargate2_leds[] = {
822 {
823 .name = "sg2:red",
824 .flags = DA9030_LED_RATE_ON,
825 }, {
826 .name = "sg2:blue",
827 .flags = DA9030_LED_RATE_ON,
828 }, {
829 .name = "sg2:green",
830 .flags = DA9030_LED_RATE_ON,
831 },
832 };
833
834 static struct da903x_subdev_info stargate2_da9030_subdevs[] = {
835 {
836 .name = "da903x-led",
837 .id = DA9030_ID_LED_2,
838 .platform_data = &stargate2_leds[0],
839 }, {
840 .name = "da903x-led",
841 .id = DA9030_ID_LED_3,
842 .platform_data = &stargate2_leds[2],
843 }, {
844 .name = "da903x-led",
845 .id = DA9030_ID_LED_4,
846 .platform_data = &stargate2_leds[1],
847 }, {
848 .name = "da903x-regulator",
849 .id = DA9030_ID_LDO2,
850 .platform_data = &stargate2_ldo_init_data[vcc_bbio],
851 }, {
852 .name = "da903x-regulator",
853 .id = DA9030_ID_LDO3,
854 .platform_data = &stargate2_ldo_init_data[vcc_bb],
855 }, {
856 .name = "da903x-regulator",
857 .id = DA9030_ID_LDO4,
858 .platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
859 }, {
860 .name = "da903x-regulator",
861 .id = DA9030_ID_LDO5,
862 .platform_data = &stargate2_ldo_init_data[vcc_cc2420],
863 }, {
864 .name = "da903x-regulator",
865 .id = DA9030_ID_LDO6,
866 .platform_data = &stargate2_ldo_init_data[vcc_vref],
867 }, {
868 .name = "da903x-regulator",
869 .id = DA9030_ID_LDO7,
870 .platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
871 }, {
872 .name = "da903x-regulator",
873 .id = DA9030_ID_LDO8,
874 .platform_data = &stargate2_ldo_init_data[vcc_mica],
875 }, {
876 .name = "da903x-regulator",
877 .id = DA9030_ID_LDO9,
878 .platform_data = &stargate2_ldo_init_data[vcc_bt],
879 }, {
880 .name = "da903x-regulator",
881 .id = DA9030_ID_LDO10,
882 .platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
883 }, {
884 .name = "da903x-regulator",
885 .id = DA9030_ID_LDO11,
886 .platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
887 }, {
888 .name = "da903x-regulator",
889 .id = DA9030_ID_LDO12,
890 .platform_data = &stargate2_ldo_init_data[vcc_lcd],
891 }, {
892 .name = "da903x-regulator",
893 .id = DA9030_ID_LDO15,
894 .platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
895 }, {
896 .name = "da903x-regulator",
897 .id = DA9030_ID_LDO17,
898 .platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
899 }, {
900 .name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
901 .id = DA9030_ID_LDO18,
902 .platform_data = &stargate2_ldo_init_data[vcc_io],
903 }, {
904 .name = "da903x-regulator",
905 .id = DA9030_ID_LDO19,
906 .platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
907 },
908 };
909
910 static struct da903x_platform_data stargate2_da9030_pdata = {
911 .num_subdevs = ARRAY_SIZE(stargate2_da9030_subdevs),
912 .subdevs = stargate2_da9030_subdevs,
913 };
914
915 static struct i2c_board_info __initdata stargate2_pwr_i2c_board_info[] = {
916 {
917 .type = "da9030",
918 .addr = 0x49,
919 .platform_data = &stargate2_da9030_pdata,
920 .irq = PXA_GPIO_TO_IRQ(1),
921 },
922 };
923
924 static struct i2c_board_info __initdata stargate2_i2c_board_info[] = {
925 /* Techically this a pca9500 - but it's compatible with the 8574
926 * for gpio expansion and the 24c02 for eeprom access.
927 */
928 {
929 .type = "pcf8574",
930 .addr = 0x27,
931 .platform_data = &platform_data_pcf857x,
932 }, {
933 .type = "24c02",
934 .addr = 0x57,
935 .properties = pca9500_eeprom_properties,
936 }, {
937 .type = "max1238",
938 .addr = 0x35,
939 }, { /* ITS400 Sensor board only */
940 .type = "max1363",
941 .addr = 0x34,
942 /* Through a nand gate - Also beware, on V2 sensor board the
943 * pull up resistors are missing.
944 */
945 .irq = PXA_GPIO_TO_IRQ(99),
946 }, { /* ITS400 Sensor board only */
947 .type = "tsl2561",
948 .addr = 0x49,
949 /* Through a nand gate - Also beware, on V2 sensor board the
950 * pull up resistors are missing.
951 */
952 .irq = PXA_GPIO_TO_IRQ(99),
953 }, { /* ITS400 Sensor board only */
954 .type = "tmp175",
955 .addr = 0x4A,
956 .irq = PXA_GPIO_TO_IRQ(96),
957 },
958 };
959
960 /* Board doesn't support cable detection - so always lie and say
961 * something is there.
962 */
963 static int sg2_udc_detect(void)
964 {
965 return 1;
966 }
967
968 static struct pxa2xx_udc_mach_info stargate2_udc_info __initdata = {
969 .udc_is_connected = sg2_udc_detect,
970 .udc_command = sg2_udc_command,
971 };
972
973 static struct platform_device *stargate2_devices[] = {
974 &stargate2_flash_device,
975 &stargate2_sram,
976 &smc91x_device,
977 &sht15,
978 };
979
980 static void __init stargate2_init(void)
981 {
982 /* This is probably a board specific hack as this must be set
983 prior to connecting the MFP stuff up. */
984 __raw_writel(__raw_readl(MECR) & ~MECR_NOS, MECR);
985
986 pxa2xx_mfp_config(ARRAY_AND_SIZE(stargate2_pin_config));
987
988 imote2_stargate2_init();
989
990 gpiod_add_lookup_table(&sht15_gpiod_table);
991 platform_add_devices(ARRAY_AND_SIZE(stargate2_devices));
992
993 i2c_register_board_info(0, ARRAY_AND_SIZE(stargate2_i2c_board_info));
994 i2c_register_board_info(1, stargate2_pwr_i2c_board_info,
995 ARRAY_SIZE(stargate2_pwr_i2c_board_info));
996
997 pxa_set_mci_info(&stargate2_mci_platform_data);
998
999 pxa_set_udc_info(&stargate2_udc_info);
1000
1001 stargate2_reset_bluetooth();
1002 }
1003 #endif
1004
1005 #ifdef CONFIG_MACH_INTELMOTE2
1006 MACHINE_START(INTELMOTE2, "IMOTE 2")
1007 .map_io = pxa27x_map_io,
1008 .nr_irqs = PXA_NR_IRQS,
1009 .init_irq = pxa27x_init_irq,
1010 .handle_irq = pxa27x_handle_irq,
1011 .init_time = pxa_timer_init,
1012 .init_machine = imote2_init,
1013 .atag_offset = 0x100,
1014 .restart = pxa_restart,
1015 MACHINE_END
1016 #endif
1017
1018 #ifdef CONFIG_MACH_STARGATE2
1019 MACHINE_START(STARGATE2, "Stargate 2")
1020 .map_io = pxa27x_map_io,
1021 .nr_irqs = STARGATE_NR_IRQS,
1022 .init_irq = pxa27x_init_irq,
1023 .handle_irq = pxa27x_handle_irq,
1024 .init_time = pxa_timer_init,
1025 .init_machine = stargate2_init,
1026 .atag_offset = 0x100,
1027 .restart = pxa_restart,
1028 MACHINE_END
1029 #endif
Linux with added FPC-III support