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ARM: delete struct sys_timer
[deliverable/linux.git] / arch / arm / mach-pxa / stargate2.c
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4036e1de
JC		 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
b459396e 28#include <linux/i2c/pxa-i2c.h>
4036e1de
JC		 29#include <linux/i2c/pcf857x.h>
30#include <linux/i2c/at24.h>
31#include <linux/smc91x.h>
32#include <linux/gpio.h>
dcd925f9 33#include <linux/leds.h>
4036e1de
JC		 34
35#include <asm/types.h>
36#include <asm/setup.h>
37#include <asm/memory.h>
38#include <asm/mach-types.h>
39#include <asm/irq.h>
40
41#include <asm/mach/arch.h>
42#include <asm/mach/map.h>
43#include <asm/mach/irq.h>
44#include <asm/mach/flash.h>
45
46#include <mach/pxa27x.h>
293b2da1 47#include <linux/platform_data/mmc-pxamci.h>
4036e1de 48#include <mach/udc.h>
4036e1de 49#include <mach/pxa27x-udc.h>
ad68bb9f 50#include <mach/smemc.h>
4036e1de
JC		 51
52#include <linux/spi/spi.h>
8348c259 53#include <linux/spi/pxa2xx_spi.h>
4036e1de 54#include <linux/mfd/da903x.h>
f9b693eb 55#include <linux/platform_data/sht15.h>
4036e1de
JC		 56
57#include "devices.h"
58#include "generic.h"
59
6ac6b817
HZ		 60#define STARGATE_NR_IRQS (IRQ_BOARD_START + 8)
61
4036e1de
JC		 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
dcd925f9 69static unsigned long sg2_im2_unified_pin_config[] __initdata = {
4036e1de
JC		 70 /* Device Identification for wakeup*/
71 GPIO102_GPIO,
4036e1de
JC		 72 /* DA9030 */
73 GPIO1_GPIO,
74
4036e1de
JC		 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,
4036e1de 82
dcd925f9
JC		 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 */
4036e1de
JC		 90
91 /* I2C */
92 GPIO117_I2C_SCL,
93 GPIO118_I2C_SDA,
94
95 /* SSP 3 - 802.15.4 radio */
dcd925f9 96 GPIO39_GPIO, /* Chip Select */
4036e1de
JC		 97 GPIO34_SSP3_SCLK,
98 GPIO35_SSP3_TXD,
99 GPIO41_SSP3_RXD,
100
dcd925f9 101 /* SSP 2 to daughter boards */
4036e1de
JC		 102 GPIO11_SSP2_RXD,
103 GPIO38_SSP2_TXD,
104 GPIO36_SSP2_SCLK,
105 GPIO37_GPIO, /* chip select */
106
dcd925f9
JC		 107 /* SSP 1 - to daughter boards */
108 GPIO24_GPIO, /* Chip Select */
4036e1de 109 GPIO23_SSP1_SCLK,
dcd925f9
JC		 110 GPIO25_SSP1_TXD,
111 GPIO26_SSP1_RXD,
4036e1de 112
dcd925f9 113 /* BTUART Basic Connector*/
4036e1de
JC		 114 GPIO42_BTUART_RXD,
115 GPIO43_BTUART_TXD,
116 GPIO44_BTUART_CTS,
117 GPIO45_BTUART_RTS,
118
dcd925f9 119 /* STUART - IM2 via debug board not sure on SG2*/
4036e1de
JC		 120 GPIO46_STUART_RXD,
121 GPIO47_STUART_TXD,
122
123 /* Basic sensor board */
124 GPIO96_GPIO, /* accelerometer interrupt */
125 GPIO99_GPIO, /* ADC interrupt */
126
4036e1de
JC		 127 /* SHT15 */
128 GPIO100_GPIO,
129 GPIO98_GPIO,
4036e1de 130
dcd925f9
JC		 131 /* Basic sensor board */
132 GPIO96_GPIO, /* accelerometer interrupt */
133 GPIO99_GPIO, /* ADC interrupt */
4036e1de 134
dcd925f9
JC		 135 /* Connector pins specified as gpios */
136 GPIO94_GPIO, /* large basic connector pin 14 */
137 GPIO10_GPIO, /* large basic connector pin 23 */
4036e1de
JC		 138};
139
140static struct sht15_platform_data platform_data_sht15 = {
141 .gpio_data = 100,
142 .gpio_sck = 98,
143};
144
145static struct platform_device sht15 = {
146 .name = "sht15",
147 .id = -1,
148 .dev = {
149 .platform_data = &platform_data_sht15,
150 },
151};
152
153static struct regulator_consumer_supply stargate2_sensor_3_con[] = {
0bf189ab 154 REGULATOR_SUPPLY("vcc", "sht15"),
4036e1de
JC		 155};
156
157enum stargate2_ldos{
158 vcc_vref,
159 vcc_cc2420,
160 /* a mote connector? */
161 vcc_mica,
162 /* the CSR bluecore chip */
163 vcc_bt,
164 /* The two voltages available to sensor boards */
165 vcc_sensor_1_8,
166 vcc_sensor_3,
167 /* directly connected to the pxa27x */
168 vcc_sram_ext,
169 vcc_pxa_pll,
170 vcc_pxa_usim, /* Reference voltage for certain gpios */
171 vcc_pxa_mem,
172 vcc_pxa_flash,
173 vcc_pxa_core, /*Dc-Dc buck not yet supported */
174 vcc_lcd,
175 vcc_bb,
176 vcc_bbio, /*not sure!*/
177 vcc_io, /* cc2420 802.15.4 radio and pxa vcc_io ?*/
178};
179
180/* The values of the various regulator constraints are obviously dependent
181 * on exactly what is wired to each ldo. Unfortunately this information is
182 * not generally available. More information has been requested from Xbow.
183 */
184static struct regulator_init_data stargate2_ldo_init_data[] = {
185 [vcc_bbio] = {
186 .constraints = { /* board default 1.8V */
187 .name = "vcc_bbio",
188 .min_uV = 1800000,
189 .max_uV = 1800000,
190 },
191 },
192 [vcc_bb] = {
193 .constraints = { /* board default 2.8V */
194 .name = "vcc_bb",
195 .min_uV = 2700000,
196 .max_uV = 3000000,
197 },
198 },
199 [vcc_pxa_flash] = {
200 .constraints = {/* default is 1.8V */
201 .name = "vcc_pxa_flash",
202 .min_uV = 1800000,
203 .max_uV = 1800000,
204 },
205 },
206 [vcc_cc2420] = { /* also vcc_io */
207 .constraints = {
208 /* board default is 2.8V */
209 .name = "vcc_cc2420",
210 .min_uV = 2700000,
211 .max_uV = 3300000,
212 },
213 },
214 [vcc_vref] = { /* Reference for what? */
215 .constraints = { /* default 1.8V */
216 .name = "vcc_vref",
217 .min_uV = 1800000,
218 .max_uV = 1800000,
219 },
220 },
221 [vcc_sram_ext] = {
222 .constraints = { /* default 2.8V */
223 .name = "vcc_sram_ext",
224 .min_uV = 2800000,
225 .max_uV = 2800000,
226 },
227 },
228 [vcc_mica] = {
229 .constraints = { /* default 2.8V */
230 .name = "vcc_mica",
231 .min_uV = 2800000,
232 .max_uV = 2800000,
233 },
234 },
235 [vcc_bt] = {
236 .constraints = { /* default 2.8V */
237 .name = "vcc_bt",
238 .min_uV = 2800000,
239 .max_uV = 2800000,
240 },
241 },
242 [vcc_lcd] = {
243 .constraints = { /* default 2.8V */
244 .name = "vcc_lcd",
245 .min_uV = 2700000,
246 .max_uV = 3300000,
247 },
248 },
249 [vcc_io] = { /* Same or higher than everything
250 * bar vccbat and vccusb */
251 .constraints = { /* default 2.8V */
252 .name = "vcc_io",
253 .min_uV = 2692000,
254 .max_uV = 3300000,
255 },
256 },
257 [vcc_sensor_1_8] = {
258 .constraints = { /* default 1.8V */
259 .name = "vcc_sensor_1_8",
260 .min_uV = 1800000,
261 .max_uV = 1800000,
262 },
263 },
264 [vcc_sensor_3] = { /* curiously default 2.8V */
265 .constraints = {
266 .name = "vcc_sensor_3",
267 .min_uV = 2800000,
268 .max_uV = 3000000,
269 },
270 .num_consumer_supplies = ARRAY_SIZE(stargate2_sensor_3_con),
271 .consumer_supplies = stargate2_sensor_3_con,
272 },
273 [vcc_pxa_pll] = { /* 1.17V - 1.43V, default 1.3V*/
274 .constraints = {
275 .name = "vcc_pxa_pll",
276 .min_uV = 1170000,
277 .max_uV = 1430000,
278 },
279 },
280 [vcc_pxa_usim] = {
281 .constraints = { /* default 1.8V */
282 .name = "vcc_pxa_usim",
283 .min_uV = 1710000,
284 .max_uV = 2160000,
285 },
286 },
287 [vcc_pxa_mem] = {
288 .constraints = { /* default 1.8V */
289 .name = "vcc_pxa_mem",
290 .min_uV = 1800000,
291 .max_uV = 1800000,
292 },
293 },
294};
295
dcd925f9 296static struct mtd_partition stargate2flash_partitions[] = {
4036e1de 297 {
dcd925f9
JC		 298 .name = "Bootloader",
299 .size = 0x00040000,
300 .offset = 0,
301 .mask_flags = 0,
4036e1de 302 }, {
dcd925f9
JC		 303 .name = "Kernel",
304 .size = 0x00200000,
305 .offset = 0x00040000,
306 .mask_flags = 0
4036e1de 307 }, {
dcd925f9
JC		 308 .name = "Filesystem",
309 .size = 0x01DC0000,
310 .offset = 0x00240000,
311 .mask_flags = 0
312 },
313};
314
315static struct resource flash_resources = {
316 .start = PXA_CS0_PHYS,
317 .end = PXA_CS0_PHYS + SZ_32M - 1,
318 .flags = IORESOURCE_MEM,
319};
320
321static struct flash_platform_data stargate2_flash_data = {
322 .map_name = "cfi_probe",
323 .parts = stargate2flash_partitions,
324 .nr_parts = ARRAY_SIZE(stargate2flash_partitions),
325 .name = "PXA27xOnChipROM",
326 .width = 2,
327};
328
329static struct platform_device stargate2_flash_device = {
330 .name = "pxa2xx-flash",
331 .id = 0,
332 .dev = {
333 .platform_data = &stargate2_flash_data,
334 },
335 .resource = &flash_resources,
336 .num_resources = 1,
337};
338
339static struct pxa2xx_spi_master pxa_ssp_master_0_info = {
340 .num_chipselect = 1,
341};
342
343static struct pxa2xx_spi_master pxa_ssp_master_1_info = {
344 .num_chipselect = 1,
345};
346
347static struct pxa2xx_spi_master pxa_ssp_master_2_info = {
348 .num_chipselect = 1,
349};
350
351/* An upcoming kernel change will scrap SFRM usage so these
352 * drivers have been moved to use gpio's via cs_control */
353static struct pxa2xx_spi_chip staccel_chip_info = {
354 .tx_threshold = 8,
355 .rx_threshold = 8,
356 .dma_burst_size = 8,
357 .timeout = 235,
358 .gpio_cs = 24,
359};
360
361static struct pxa2xx_spi_chip cc2420_info = {
362 .tx_threshold = 8,
363 .rx_threshold = 8,
364 .dma_burst_size = 8,
365 .timeout = 235,
366 .gpio_cs = 39,
367};
368
369static struct spi_board_info spi_board_info[] __initdata = {
370 {
371 .modalias = "lis3l02dq",
372 .max_speed_hz = 8000000,/* 8MHz max spi frequency at 3V */
373 .bus_num = 1,
374 .chip_select = 0,
375 .controller_data = &staccel_chip_info,
6384fdad 376 .irq = PXA_GPIO_TO_IRQ(96),
dcd925f9
JC		 377 }, {
378 .modalias = "cc2420",
379 .max_speed_hz = 6500000,
380 .bus_num = 3,
381 .chip_select = 0,
382 .controller_data = &cc2420_info,
383 },
384};
385
386static void sg2_udc_command(int cmd)
387{
388 switch (cmd) {
389 case PXA2XX_UDC_CMD_CONNECT:
390 UP2OCR |= UP2OCR_HXOE | UP2OCR_DPPUE | UP2OCR_DPPUBE;
391 break;
392 case PXA2XX_UDC_CMD_DISCONNECT:
393 UP2OCR &= ~(UP2OCR_HXOE | UP2OCR_DPPUE | UP2OCR_DPPUBE);
394 break;
395 }
396}
397
398static struct i2c_pxa_platform_data i2c_pwr_pdata = {
399 .fast_mode = 1,
400};
401
402static struct i2c_pxa_platform_data i2c_pdata = {
403 .fast_mode = 1,
404};
405
406static void __init imote2_stargate2_init(void)
407{
408
409 pxa2xx_mfp_config(ARRAY_AND_SIZE(sg2_im2_unified_pin_config));
410
411 pxa_set_ffuart_info(NULL);
412 pxa_set_btuart_info(NULL);
413 pxa_set_stuart_info(NULL);
414
415 pxa2xx_set_spi_info(1, &pxa_ssp_master_0_info);
416 pxa2xx_set_spi_info(2, &pxa_ssp_master_1_info);
417 pxa2xx_set_spi_info(3, &pxa_ssp_master_2_info);
418 spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
419
420
421 pxa27x_set_i2c_power_info(&i2c_pwr_pdata);
422 pxa_set_i2c_info(&i2c_pdata);
423}
424
425#ifdef CONFIG_MACH_INTELMOTE2
426/* As the the imote2 doesn't currently have a conventional SD slot
427 * there is no option to hotplug cards, making all this rather simple
428 */
429static int imote2_mci_get_ro(struct device *dev)
430{
431 return 0;
432}
433
434/* Rather simple case as hotplugging not possible */
435static struct pxamci_platform_data imote2_mci_platform_data = {
436 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, /* default anyway */
437 .get_ro = imote2_mci_get_ro,
438 .gpio_card_detect = -1,
439 .gpio_card_ro = -1,
440 .gpio_power = -1,
441};
442
443static struct gpio_led imote2_led_pins[] = {
444 {
445 .name = "imote2:red",
446 .gpio = 103,
447 .active_low = 1,
4036e1de 448 }, {
dcd925f9
JC		 449 .name = "imote2:green",
450 .gpio = 104,
451 .active_low = 1,
452 }, {
453 .name = "imote2:blue",
454 .gpio = 105,
455 .active_low = 1,
456 },
457};
458
459static struct gpio_led_platform_data imote2_led_data = {
460 .num_leds = ARRAY_SIZE(imote2_led_pins),
461 .leds = imote2_led_pins,
462};
463
464static struct platform_device imote2_leds = {
465 .name = "leds-gpio",
466 .id = -1,
467 .dev = {
468 .platform_data = &imote2_led_data,
469 },
470};
471
472static struct da903x_subdev_info imote2_da9030_subdevs[] = {
473 {
4036e1de
JC		 474 .name = "da903x-regulator",
475 .id = DA9030_ID_LDO2,
476 .platform_data = &stargate2_ldo_init_data[vcc_bbio],
477 }, {
478 .name = "da903x-regulator",
479 .id = DA9030_ID_LDO3,
480 .platform_data = &stargate2_ldo_init_data[vcc_bb],
481 }, {
482 .name = "da903x-regulator",
483 .id = DA9030_ID_LDO4,
484 .platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
485 }, {
486 .name = "da903x-regulator",
487 .id = DA9030_ID_LDO5,
488 .platform_data = &stargate2_ldo_init_data[vcc_cc2420],
489 }, {
490 .name = "da903x-regulator",
491 .id = DA9030_ID_LDO6,
492 .platform_data = &stargate2_ldo_init_data[vcc_vref],
493 }, {
494 .name = "da903x-regulator",
495 .id = DA9030_ID_LDO7,
496 .platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
497 }, {
498 .name = "da903x-regulator",
499 .id = DA9030_ID_LDO8,
500 .platform_data = &stargate2_ldo_init_data[vcc_mica],
501 }, {
502 .name = "da903x-regulator",
503 .id = DA9030_ID_LDO9,
504 .platform_data = &stargate2_ldo_init_data[vcc_bt],
505 }, {
506 .name = "da903x-regulator",
507 .id = DA9030_ID_LDO10,
508 .platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
509 }, {
510 .name = "da903x-regulator",
511 .id = DA9030_ID_LDO11,
512 .platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
513 }, {
514 .name = "da903x-regulator",
515 .id = DA9030_ID_LDO12,
516 .platform_data = &stargate2_ldo_init_data[vcc_lcd],
517 }, {
518 .name = "da903x-regulator",
519 .id = DA9030_ID_LDO15,
520 .platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
521 }, {
522 .name = "da903x-regulator",
523 .id = DA9030_ID_LDO17,
524 .platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
525 }, {
526 .name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
527 .id = DA9030_ID_LDO18,
528 .platform_data = &stargate2_ldo_init_data[vcc_io],
529 }, {
530 .name = "da903x-regulator",
531 .id = DA9030_ID_LDO19,
532 .platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
533 },
534};
535
dcd925f9
JC		 536static struct da903x_platform_data imote2_da9030_pdata = {
537 .num_subdevs = ARRAY_SIZE(imote2_da9030_subdevs),
538 .subdevs = imote2_da9030_subdevs,
4036e1de
JC		 539};
540
dcd925f9
JC		 541static struct i2c_board_info __initdata imote2_pwr_i2c_board_info[] = {
542 {
543 .type = "da9030",
544 .addr = 0x49,
545 .platform_data = &imote2_da9030_pdata,
4929f5a8 546 .irq = PXA_GPIO_TO_IRQ(1),
4036e1de 547 },
4036e1de
JC		 548};
549
dcd925f9
JC		 550static struct i2c_board_info __initdata imote2_i2c_board_info[] = {
551 { /* UCAM sensor board */
552 .type = "max1239",
553 .addr = 0x35,
554 }, { /* ITS400 Sensor board only */
555 .type = "max1363",
556 .addr = 0x34,
557 /* Through a nand gate - Also beware, on V2 sensor board the
558 * pull up resistors are missing.
559 */
6384fdad 560 .irq = PXA_GPIO_TO_IRQ(99),
dcd925f9
JC		 561 }, { /* ITS400 Sensor board only */
562 .type = "tsl2561",
563 .addr = 0x49,
564 /* Through a nand gate - Also beware, on V2 sensor board the
565 * pull up resistors are missing.
566 */
6384fdad 567 .irq = PXA_GPIO_TO_IRQ(99),
dcd925f9
JC		 568 }, { /* ITS400 Sensor board only */
569 .type = "tmp175",
570 .addr = 0x4A,
6384fdad 571 .irq = PXA_GPIO_TO_IRQ(96),
dcd925f9
JC		 572 }, { /* IMB400 Multimedia board */
573 .type = "wm8940",
574 .addr = 0x1A,
575 },
576};
577
578static unsigned long imote2_pin_config[] __initdata = {
579
580 /* Button */
581 GPIO91_GPIO,
582
583 /* LEDS */
584 GPIO103_GPIO, /* red led */
585 GPIO104_GPIO, /* green led */
586 GPIO105_GPIO, /* blue led */
587};
588
589static struct pxa2xx_udc_mach_info imote2_udc_info __initdata = {
590 .udc_command = sg2_udc_command,
591};
592
ac1e8986
AL		 593static struct platform_device imote2_audio_device = {
594 .name = "imote2-audio",
595 .id = -1,
596};
597
dcd925f9
JC		 598static struct platform_device *imote2_devices[] = {
599 &stargate2_flash_device,
600 &imote2_leds,
601 &sht15,
ac1e8986 602 &imote2_audio_device,
dcd925f9
JC		 603};
604
605static void __init imote2_init(void)
606{
607 pxa2xx_mfp_config(ARRAY_AND_SIZE(imote2_pin_config));
608
609 imote2_stargate2_init();
610
611 platform_add_devices(imote2_devices, ARRAY_SIZE(imote2_devices));
612
613 i2c_register_board_info(0, imote2_i2c_board_info,
614 ARRAY_SIZE(imote2_i2c_board_info));
615 i2c_register_board_info(1, imote2_pwr_i2c_board_info,
616 ARRAY_SIZE(imote2_pwr_i2c_board_info));
617
618 pxa_set_mci_info(&imote2_mci_platform_data);
619 pxa_set_udc_info(&imote2_udc_info);
620}
621#endif
622
623#ifdef CONFIG_MACH_STARGATE2
624
625static unsigned long stargate2_pin_config[] __initdata = {
626
627 GPIO15_nCS_1, /* SRAM */
628 /* SMC91x */
629 GPIO80_nCS_4,
630 GPIO40_GPIO, /*cable detect?*/
631
632 /* Button */
633 GPIO91_GPIO | WAKEUP_ON_LEVEL_HIGH,
634
635 /* Compact Flash */
636 GPIO79_PSKTSEL,
637 GPIO48_nPOE,
638 GPIO49_nPWE,
639 GPIO50_nPIOR,
640 GPIO51_nPIOW,
641 GPIO85_nPCE_1,
642 GPIO54_nPCE_2,
643 GPIO55_nPREG,
644 GPIO56_nPWAIT,
645 GPIO57_nIOIS16,
646 GPIO120_GPIO, /* Buff ctrl */
647 GPIO108_GPIO, /* Power ctrl */
648 GPIO82_GPIO, /* Reset */
649 GPIO53_GPIO, /* SG2_S0_GPIO_DETECT */
650
651 /* MMC not shared with imote2 */
652 GPIO90_GPIO, /* nSD detect */
653 GPIO89_GPIO, /* SD_POWER_ENABLE */
654
655 /* Bluetooth */
656 GPIO81_GPIO, /* reset */
657};
658
659static struct resource smc91x_resources[] = {
660 [0] = {
661 .name = "smc91x-regs",
662 .start = (PXA_CS4_PHYS + 0x300),
663 .end = (PXA_CS4_PHYS + 0xfffff),
664 .flags = IORESOURCE_MEM,
665 },
666 [1] = {
6384fdad
HZ		 667 .start = PXA_GPIO_TO_IRQ(40),
668 .end = PXA_GPIO_TO_IRQ(40),
dcd925f9
JC		 669 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
670 }
671};
672
673static struct smc91x_platdata stargate2_smc91x_info = {
674 .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT
675 | SMC91X_NOWAIT | SMC91X_USE_DMA,
676};
677
678static struct platform_device smc91x_device = {
679 .name = "smc91x",
680 .id = -1,
681 .num_resources = ARRAY_SIZE(smc91x_resources),
4036e1de
JC		 682 .resource = smc91x_resources,
683 .dev = {
684 .platform_data = &stargate2_smc91x_info,
685 },
686};
687
688
4036e1de
JC		 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 */
693static 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);
4036e1de 712
6384fdad 713 err = request_irq(PXA_GPIO_TO_IRQ(SG2_GPIO_nSD_DETECT),
4036e1de
JC		 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 */
737static void stargate2_mci_setpower(struct device *dev, unsigned int vdd)
738{
739 gpio_set_value(SG2_SD_POWER_ENABLE, !!vdd);
740}
741
742static void stargate2_mci_exit(struct device *dev, void *data)
743{
6384fdad 744 free_irq(PXA_GPIO_TO_IRQ(SG2_GPIO_nSD_DETECT), data);
4036e1de
JC		 745 gpio_free(SG2_SD_POWER_ENABLE);
746 gpio_free(SG2_GPIO_nSD_DETECT);
747}
748
749static struct pxamci_platform_data stargate2_mci_platform_data = {
f97cab28 750 .detect_delay_ms = 250,
4036e1de
JC		 751 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
752 .init = stargate2_mci_init,
753 .setpower = stargate2_mci_setpower,
754 .exit = stargate2_mci_exit,
755};
756
4036e1de
JC		 757
758/*
759 * SRAM - The Stargate 2 has 32MB of SRAM.
760 *
761 * Here it is made available as an MTD. This will then
762 * typically have a cifs filesystem created on it to provide
763 * fast temporary storage.
764 */
765static struct resource sram_resources = {
766 .start = PXA_CS1_PHYS,
767 .end = PXA_CS1_PHYS + SZ_32M-1,
768 .flags = IORESOURCE_MEM,
769};
770
771static struct platdata_mtd_ram stargate2_sram_pdata = {
772 .mapname = "Stargate2 SRAM",
773 .bankwidth = 2,
774};
775
776static struct platform_device stargate2_sram = {
777 .name = "mtd-ram",
778 .id = 0,
779 .resource = &sram_resources,
780 .num_resources = 1,
781 .dev = {
782 .platform_data = &stargate2_sram_pdata,
783 },
784};
785
786static struct pcf857x_platform_data platform_data_pcf857x = {
787 .gpio_base = 128,
788 .n_latch = 0,
789 .setup = NULL,
790 .teardown = NULL,
791 .context = NULL,
792};
793
794static struct at24_platform_data pca9500_eeprom_pdata = {
795 .byte_len = 256,
796 .page_size = 4,
797};
798
dcd925f9
JC		 799/**
800 * stargate2_reset_bluetooth() reset the bluecore to ensure consistent state
801 **/
802static int stargate2_reset_bluetooth(void)
803{
804 int err;
805 err = gpio_request(SG2_BT_RESET, "SG2_BT_RESET");
806 if (err) {
807 printk(KERN_ERR "Could not get gpio for bluetooth reset\n");
808 return err;
809 }
810 gpio_direction_output(SG2_BT_RESET, 1);
811 mdelay(5);
812 /* now reset it - 5 msec minimum */
813 gpio_set_value(SG2_BT_RESET, 0);
814 mdelay(10);
815 gpio_set_value(SG2_BT_RESET, 1);
816 gpio_free(SG2_BT_RESET);
817 return 0;
818}
819
820static struct led_info stargate2_leds[] = {
821 {
822 .name = "sg2:red",
823 .flags = DA9030_LED_RATE_ON,
824 }, {
825 .name = "sg2:blue",
826 .flags = DA9030_LED_RATE_ON,
827 }, {
828 .name = "sg2:green",
829 .flags = DA9030_LED_RATE_ON,
830 },
831};
832
833static struct da903x_subdev_info stargate2_da9030_subdevs[] = {
834 {
835 .name = "da903x-led",
836 .id = DA9030_ID_LED_2,
837 .platform_data = &stargate2_leds[0],
838 }, {
839 .name = "da903x-led",
840 .id = DA9030_ID_LED_3,
841 .platform_data = &stargate2_leds[2],
842 }, {
843 .name = "da903x-led",
844 .id = DA9030_ID_LED_4,
845 .platform_data = &stargate2_leds[1],
846 }, {
847 .name = "da903x-regulator",
848 .id = DA9030_ID_LDO2,
849 .platform_data = &stargate2_ldo_init_data[vcc_bbio],
850 }, {
851 .name = "da903x-regulator",
852 .id = DA9030_ID_LDO3,
853 .platform_data = &stargate2_ldo_init_data[vcc_bb],
854 }, {
855 .name = "da903x-regulator",
856 .id = DA9030_ID_LDO4,
857 .platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
858 }, {
859 .name = "da903x-regulator",
860 .id = DA9030_ID_LDO5,
861 .platform_data = &stargate2_ldo_init_data[vcc_cc2420],
862 }, {
863 .name = "da903x-regulator",
864 .id = DA9030_ID_LDO6,
865 .platform_data = &stargate2_ldo_init_data[vcc_vref],
866 }, {
867 .name = "da903x-regulator",
868 .id = DA9030_ID_LDO7,
869 .platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
870 }, {
871 .name = "da903x-regulator",
872 .id = DA9030_ID_LDO8,
873 .platform_data = &stargate2_ldo_init_data[vcc_mica],
874 }, {
875 .name = "da903x-regulator",
876 .id = DA9030_ID_LDO9,
877 .platform_data = &stargate2_ldo_init_data[vcc_bt],
878 }, {
879 .name = "da903x-regulator",
880 .id = DA9030_ID_LDO10,
881 .platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
882 }, {
883 .name = "da903x-regulator",
884 .id = DA9030_ID_LDO11,
885 .platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
886 }, {
887 .name = "da903x-regulator",
888 .id = DA9030_ID_LDO12,
889 .platform_data = &stargate2_ldo_init_data[vcc_lcd],
890 }, {
891 .name = "da903x-regulator",
892 .id = DA9030_ID_LDO15,
893 .platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
894 }, {
895 .name = "da903x-regulator",
896 .id = DA9030_ID_LDO17,
897 .platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
898 }, {
899 .name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
900 .id = DA9030_ID_LDO18,
901 .platform_data = &stargate2_ldo_init_data[vcc_io],
902 }, {
903 .name = "da903x-regulator",
904 .id = DA9030_ID_LDO19,
905 .platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
906 },
907};
908
909static struct da903x_platform_data stargate2_da9030_pdata = {
910 .num_subdevs = ARRAY_SIZE(stargate2_da9030_subdevs),
911 .subdevs = stargate2_da9030_subdevs,
912};
913
914static struct i2c_board_info __initdata stargate2_pwr_i2c_board_info[] = {
915 {
916 .type = "da9030",
917 .addr = 0x49,
918 .platform_data = &stargate2_da9030_pdata,
4929f5a8 919 .irq = PXA_GPIO_TO_IRQ(1),
dcd925f9
JC		 920 },
921};
4036e1de
JC		 922
923static struct i2c_board_info __initdata stargate2_i2c_board_info[] = {
924 /* Techically this a pca9500 - but it's compatible with the 8574
925 * for gpio expansion and the 24c02 for eeprom access.
926 */
927 {
928 .type = "pcf8574",
929 .addr = 0x27,
930 .platform_data = &platform_data_pcf857x,
931 }, {
932 .type = "24c02",
933 .addr = 0x57,
934 .platform_data = &pca9500_eeprom_pdata,
935 }, {
936 .type = "max1238",
937 .addr = 0x35,
938 }, { /* ITS400 Sensor board only */
939 .type = "max1363",
940 .addr = 0x34,
941 /* Through a nand gate - Also beware, on V2 sensor board the
942 * pull up resistors are missing.
943 */
6384fdad 944 .irq = PXA_GPIO_TO_IRQ(99),
4036e1de
JC		 945 }, { /* ITS400 Sensor board only */
946 .type = "tsl2561",
947 .addr = 0x49,
948 /* Through a nand gate - Also beware, on V2 sensor board the
949 * pull up resistors are missing.
950 */
6384fdad 951 .irq = PXA_GPIO_TO_IRQ(99),
4036e1de
JC		 952 }, { /* ITS400 Sensor board only */
953 .type = "tmp175",
954 .addr = 0x4A,
6384fdad 955 .irq = PXA_GPIO_TO_IRQ(96),
4036e1de
JC		 956 },
957};
958
4036e1de
JC		 959/* Board doesn't support cable detection - so always lie and say
960 * something is there.
961 */
962static int sg2_udc_detect(void)
963{
964 return 1;
965}
966
967static struct pxa2xx_udc_mach_info stargate2_udc_info __initdata = {
968 .udc_is_connected = sg2_udc_detect,
969 .udc_command = sg2_udc_command,
970};
971
972static struct platform_device *stargate2_devices[] = {
973 &stargate2_flash_device,
974 &stargate2_sram,
975 &smc91x_device,
976 &sht15,
977};
978
4036e1de
JC		 979static void __init stargate2_init(void)
980{
981 /* This is probably a board specific hack as this must be set
982 prior to connecting the MFP stuff up. */
ad68bb9f 983 __raw_writel(__raw_readl(MECR) & ~MECR_NOS, MECR);
4036e1de
JC		 984
985 pxa2xx_mfp_config(ARRAY_AND_SIZE(stargate2_pin_config));
986
dcd925f9 987 imote2_stargate2_init();
cc155c6f 988
4036e1de
JC		 989 platform_add_devices(ARRAY_AND_SIZE(stargate2_devices));
990
4036e1de 991 i2c_register_board_info(0, ARRAY_AND_SIZE(stargate2_i2c_board_info));
dcd925f9
JC		 992 i2c_register_board_info(1, stargate2_pwr_i2c_board_info,
993 ARRAY_SIZE(stargate2_pwr_i2c_board_info));
4036e1de
JC		 994
995 pxa_set_mci_info(&stargate2_mci_platform_data);
996
997 pxa_set_udc_info(&stargate2_udc_info);
998
999 stargate2_reset_bluetooth();
1000}
dcd925f9
JC		 1001#endif
1002
1003#ifdef CONFIG_MACH_INTELMOTE2
1004MACHINE_START(INTELMOTE2, "IMOTE 2")
851982c1 1005 .map_io = pxa27x_map_io,
4e611091 1006 .nr_irqs = PXA_NR_IRQS,
dcd925f9 1007 .init_irq = pxa27x_init_irq,
8a97ae2f 1008 .handle_irq = pxa27x_handle_irq,
6bb27d73 1009 .init_time = pxa_timer_init,
dcd925f9 1010 .init_machine = imote2_init,
7375aba6 1011 .atag_offset = 0x100,
271a74fc 1012 .restart = pxa_restart,
dcd925f9
JC		 1013MACHINE_END
1014#endif
4036e1de 1015
dcd925f9 1016#ifdef CONFIG_MACH_STARGATE2
4036e1de 1017MACHINE_START(STARGATE2, "Stargate 2")
851982c1 1018 .map_io = pxa27x_map_io,
6ac6b817 1019 .nr_irqs = STARGATE_NR_IRQS,
4036e1de 1020 .init_irq = pxa27x_init_irq,
8a97ae2f 1021 .handle_irq = pxa27x_handle_irq,
6bb27d73 1022 .init_time = pxa_timer_init,
4036e1de 1023 .init_machine = stargate2_init,
7375aba6 1024 .atag_offset = 0x100,
271a74fc 1025 .restart = pxa_restart,
4036e1de 1026MACHINE_END
dcd925f9 1027#endif
Linux kernel - Deliverables
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