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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 | ||
28 | #include <linux/i2c/pcf857x.h> | |
29 | #include <linux/i2c/at24.h> | |
30 | #include <linux/smc91x.h> | |
31 | #include <linux/gpio.h> | |
32 | ||
33 | #include <asm/types.h> | |
34 | #include <asm/setup.h> | |
35 | #include <asm/memory.h> | |
36 | #include <asm/mach-types.h> | |
37 | #include <asm/irq.h> | |
38 | ||
39 | #include <asm/mach/arch.h> | |
40 | #include <asm/mach/map.h> | |
41 | #include <asm/mach/irq.h> | |
42 | #include <asm/mach/flash.h> | |
43 | ||
44 | #include <mach/pxa27x.h> | |
45 | #include <plat/i2c.h> | |
46 | #include <mach/mmc.h> | |
47 | #include <mach/udc.h> | |
48 | #include <mach/pxa2xx_spi.h> | |
49 | #include <mach/pxa27x-udc.h> | |
50 | ||
51 | #include <linux/spi/spi.h> | |
52 | #include <linux/mfd/da903x.h> | |
53 | #include <linux/sht15.h> | |
54 | ||
55 | #include "devices.h" | |
56 | #include "generic.h" | |
57 | ||
58 | /* Bluetooth */ | |
59 | #define SG2_BT_RESET 81 | |
60 | ||
61 | /* SD */ | |
62 | #define SG2_GPIO_nSD_DETECT 90 | |
63 | #define SG2_SD_POWER_ENABLE 89 | |
64 | ||
65 | static unsigned long stargate2_pin_config[] __initdata = { | |
66 | ||
67 | GPIO15_nCS_1, /* SRAM */ | |
68 | /* SMC91x */ | |
69 | GPIO80_nCS_4, | |
70 | GPIO40_GPIO, /*cable detect?*/ | |
71 | /* Device Identification for wakeup*/ | |
72 | GPIO102_GPIO, | |
73 | ||
74 | /* Button */ | |
75 | GPIO91_GPIO | WAKEUP_ON_LEVEL_HIGH, | |
76 | ||
77 | /* DA9030 */ | |
78 | GPIO1_GPIO, | |
79 | ||
80 | /* Compact Flash */ | |
81 | GPIO79_PSKTSEL, | |
82 | GPIO48_nPOE, | |
83 | GPIO49_nPWE, | |
84 | GPIO50_nPIOR, | |
85 | GPIO51_nPIOW, | |
86 | GPIO85_nPCE_1, | |
87 | GPIO54_nPCE_2, | |
88 | GPIO55_nPREG, | |
89 | GPIO56_nPWAIT, | |
90 | GPIO57_nIOIS16, | |
91 | GPIO120_GPIO, /* Buff ctrl */ | |
92 | GPIO108_GPIO, /* Power ctrl */ | |
93 | GPIO82_GPIO, /* Reset */ | |
94 | GPIO53_GPIO, /* SG2_S0_GPIO_DETECT */ | |
95 | ||
96 | /* MMC */ | |
97 | GPIO32_MMC_CLK, | |
98 | GPIO112_MMC_CMD, | |
99 | GPIO92_MMC_DAT_0, | |
100 | GPIO109_MMC_DAT_1, | |
101 | GPIO110_MMC_DAT_2, | |
102 | GPIO111_MMC_DAT_3, | |
103 | GPIO90_GPIO, /* nSD detect */ | |
104 | GPIO89_GPIO, /* SD_POWER_ENABLE */ | |
105 | ||
106 | /* Bluetooth */ | |
107 | GPIO81_GPIO, /* reset */ | |
108 | ||
109 | /* cc2420 802.15.4 radio */ | |
110 | GPIO22_GPIO, /* CC_RSTN (out)*/ | |
111 | GPIO114_GPIO, /* CC_FIFO (in) */ | |
112 | GPIO116_GPIO, /* CC_CCA (in) */ | |
113 | GPIO0_GPIO, /* CC_FIFOP (in) */ | |
114 | GPIO16_GPIO, /* CCSFD (in) */ | |
115 | GPIO39_GPIO, /* CSn (out) */ | |
116 | ||
117 | /* I2C */ | |
118 | GPIO117_I2C_SCL, | |
119 | GPIO118_I2C_SDA, | |
120 | ||
121 | /* SSP 3 - 802.15.4 radio */ | |
122 | GPIO39_GPIO, /* chip select */ | |
123 | GPIO34_SSP3_SCLK, | |
124 | GPIO35_SSP3_TXD, | |
125 | GPIO41_SSP3_RXD, | |
126 | ||
127 | /* SSP 2 */ | |
128 | GPIO11_SSP2_RXD, | |
129 | GPIO38_SSP2_TXD, | |
130 | GPIO36_SSP2_SCLK, | |
131 | GPIO37_GPIO, /* chip select */ | |
132 | ||
133 | /* SSP 1 */ | |
134 | GPIO26_SSP1_RXD, | |
135 | GPIO25_SSP1_TXD, | |
136 | GPIO23_SSP1_SCLK, | |
137 | GPIO24_GPIO, /* chip select */ | |
138 | ||
139 | /* BTUART */ | |
140 | GPIO42_BTUART_RXD, | |
141 | GPIO43_BTUART_TXD, | |
142 | GPIO44_BTUART_CTS, | |
143 | GPIO45_BTUART_RTS, | |
144 | ||
145 | /* STUART */ | |
146 | GPIO46_STUART_RXD, | |
147 | GPIO47_STUART_TXD, | |
148 | ||
149 | /* Basic sensor board */ | |
150 | GPIO96_GPIO, /* accelerometer interrupt */ | |
151 | GPIO99_GPIO, /* ADC interrupt */ | |
152 | ||
153 | /* Connector pins specified as gpios */ | |
154 | GPIO94_GPIO, /* large basic connector pin 14 */ | |
155 | GPIO10_GPIO, /* large basic connector pin 23 */ | |
156 | ||
157 | /* SHT15 */ | |
158 | GPIO100_GPIO, | |
159 | GPIO98_GPIO, | |
160 | }; | |
161 | ||
162 | /** | |
163 | * stargate2_reset_bluetooth() reset the bluecore to ensure consistent state | |
164 | **/ | |
165 | static int stargate2_reset_bluetooth(void) | |
166 | { | |
167 | int err; | |
168 | err = gpio_request(SG2_BT_RESET, "SG2_BT_RESET"); | |
169 | if (err) { | |
170 | printk(KERN_ERR "Could not get gpio for bluetooth reset \n"); | |
171 | return err; | |
172 | } | |
173 | gpio_direction_output(SG2_BT_RESET, 1); | |
174 | mdelay(5); | |
175 | /* now reset it - 5 msec minimum */ | |
176 | gpio_set_value(SG2_BT_RESET, 0); | |
177 | mdelay(10); | |
178 | gpio_set_value(SG2_BT_RESET, 1); | |
179 | gpio_free(SG2_BT_RESET); | |
180 | return 0; | |
181 | } | |
182 | ||
183 | static struct led_info stargate2_leds[] = { | |
184 | { | |
185 | .name = "sg2:red", | |
186 | .flags = DA9030_LED_RATE_ON, | |
187 | }, { | |
188 | .name = "sg2:blue", | |
189 | .flags = DA9030_LED_RATE_ON, | |
190 | }, { | |
191 | .name = "sg2:green", | |
192 | .flags = DA9030_LED_RATE_ON, | |
193 | }, | |
194 | }; | |
195 | ||
196 | static struct sht15_platform_data platform_data_sht15 = { | |
197 | .gpio_data = 100, | |
198 | .gpio_sck = 98, | |
199 | }; | |
200 | ||
201 | static struct platform_device sht15 = { | |
202 | .name = "sht15", | |
203 | .id = -1, | |
204 | .dev = { | |
205 | .platform_data = &platform_data_sht15, | |
206 | }, | |
207 | }; | |
208 | ||
209 | static struct regulator_consumer_supply stargate2_sensor_3_con[] = { | |
210 | { | |
211 | .dev = &sht15.dev, | |
212 | .supply = "vcc", | |
213 | }, | |
214 | }; | |
215 | ||
216 | enum stargate2_ldos{ | |
217 | vcc_vref, | |
218 | vcc_cc2420, | |
219 | /* a mote connector? */ | |
220 | vcc_mica, | |
221 | /* the CSR bluecore chip */ | |
222 | vcc_bt, | |
223 | /* The two voltages available to sensor boards */ | |
224 | vcc_sensor_1_8, | |
225 | vcc_sensor_3, | |
226 | /* directly connected to the pxa27x */ | |
227 | vcc_sram_ext, | |
228 | vcc_pxa_pll, | |
229 | vcc_pxa_usim, /* Reference voltage for certain gpios */ | |
230 | vcc_pxa_mem, | |
231 | vcc_pxa_flash, | |
232 | vcc_pxa_core, /*Dc-Dc buck not yet supported */ | |
233 | vcc_lcd, | |
234 | vcc_bb, | |
235 | vcc_bbio, /*not sure!*/ | |
236 | vcc_io, /* cc2420 802.15.4 radio and pxa vcc_io ?*/ | |
237 | }; | |
238 | ||
239 | /* The values of the various regulator constraints are obviously dependent | |
240 | * on exactly what is wired to each ldo. Unfortunately this information is | |
241 | * not generally available. More information has been requested from Xbow. | |
242 | */ | |
243 | static struct regulator_init_data stargate2_ldo_init_data[] = { | |
244 | [vcc_bbio] = { | |
245 | .constraints = { /* board default 1.8V */ | |
246 | .name = "vcc_bbio", | |
247 | .min_uV = 1800000, | |
248 | .max_uV = 1800000, | |
249 | }, | |
250 | }, | |
251 | [vcc_bb] = { | |
252 | .constraints = { /* board default 2.8V */ | |
253 | .name = "vcc_bb", | |
254 | .min_uV = 2700000, | |
255 | .max_uV = 3000000, | |
256 | }, | |
257 | }, | |
258 | [vcc_pxa_flash] = { | |
259 | .constraints = {/* default is 1.8V */ | |
260 | .name = "vcc_pxa_flash", | |
261 | .min_uV = 1800000, | |
262 | .max_uV = 1800000, | |
263 | }, | |
264 | }, | |
265 | [vcc_cc2420] = { /* also vcc_io */ | |
266 | .constraints = { | |
267 | /* board default is 2.8V */ | |
268 | .name = "vcc_cc2420", | |
269 | .min_uV = 2700000, | |
270 | .max_uV = 3300000, | |
271 | }, | |
272 | }, | |
273 | [vcc_vref] = { /* Reference for what? */ | |
274 | .constraints = { /* default 1.8V */ | |
275 | .name = "vcc_vref", | |
276 | .min_uV = 1800000, | |
277 | .max_uV = 1800000, | |
278 | }, | |
279 | }, | |
280 | [vcc_sram_ext] = { | |
281 | .constraints = { /* default 2.8V */ | |
282 | .name = "vcc_sram_ext", | |
283 | .min_uV = 2800000, | |
284 | .max_uV = 2800000, | |
285 | }, | |
286 | }, | |
287 | [vcc_mica] = { | |
288 | .constraints = { /* default 2.8V */ | |
289 | .name = "vcc_mica", | |
290 | .min_uV = 2800000, | |
291 | .max_uV = 2800000, | |
292 | }, | |
293 | }, | |
294 | [vcc_bt] = { | |
295 | .constraints = { /* default 2.8V */ | |
296 | .name = "vcc_bt", | |
297 | .min_uV = 2800000, | |
298 | .max_uV = 2800000, | |
299 | }, | |
300 | }, | |
301 | [vcc_lcd] = { | |
302 | .constraints = { /* default 2.8V */ | |
303 | .name = "vcc_lcd", | |
304 | .min_uV = 2700000, | |
305 | .max_uV = 3300000, | |
306 | }, | |
307 | }, | |
308 | [vcc_io] = { /* Same or higher than everything | |
309 | * bar vccbat and vccusb */ | |
310 | .constraints = { /* default 2.8V */ | |
311 | .name = "vcc_io", | |
312 | .min_uV = 2692000, | |
313 | .max_uV = 3300000, | |
314 | }, | |
315 | }, | |
316 | [vcc_sensor_1_8] = { | |
317 | .constraints = { /* default 1.8V */ | |
318 | .name = "vcc_sensor_1_8", | |
319 | .min_uV = 1800000, | |
320 | .max_uV = 1800000, | |
321 | }, | |
322 | }, | |
323 | [vcc_sensor_3] = { /* curiously default 2.8V */ | |
324 | .constraints = { | |
325 | .name = "vcc_sensor_3", | |
326 | .min_uV = 2800000, | |
327 | .max_uV = 3000000, | |
328 | }, | |
329 | .num_consumer_supplies = ARRAY_SIZE(stargate2_sensor_3_con), | |
330 | .consumer_supplies = stargate2_sensor_3_con, | |
331 | }, | |
332 | [vcc_pxa_pll] = { /* 1.17V - 1.43V, default 1.3V*/ | |
333 | .constraints = { | |
334 | .name = "vcc_pxa_pll", | |
335 | .min_uV = 1170000, | |
336 | .max_uV = 1430000, | |
337 | }, | |
338 | }, | |
339 | [vcc_pxa_usim] = { | |
340 | .constraints = { /* default 1.8V */ | |
341 | .name = "vcc_pxa_usim", | |
342 | .min_uV = 1710000, | |
343 | .max_uV = 2160000, | |
344 | }, | |
345 | }, | |
346 | [vcc_pxa_mem] = { | |
347 | .constraints = { /* default 1.8V */ | |
348 | .name = "vcc_pxa_mem", | |
349 | .min_uV = 1800000, | |
350 | .max_uV = 1800000, | |
351 | }, | |
352 | }, | |
353 | }; | |
354 | ||
355 | static struct da903x_subdev_info stargate2_da9030_subdevs[] = { | |
356 | { | |
357 | .name = "da903x-led", | |
358 | .id = DA9030_ID_LED_2, | |
359 | .platform_data = &stargate2_leds[0], | |
360 | }, { | |
361 | .name = "da903x-led", | |
362 | .id = DA9030_ID_LED_3, | |
363 | .platform_data = &stargate2_leds[2], | |
364 | }, { | |
365 | .name = "da903x-led", | |
366 | .id = DA9030_ID_LED_4, | |
367 | .platform_data = &stargate2_leds[1], | |
368 | }, { | |
369 | .name = "da903x-regulator", | |
370 | .id = DA9030_ID_LDO2, | |
371 | .platform_data = &stargate2_ldo_init_data[vcc_bbio], | |
372 | }, { | |
373 | .name = "da903x-regulator", | |
374 | .id = DA9030_ID_LDO3, | |
375 | .platform_data = &stargate2_ldo_init_data[vcc_bb], | |
376 | }, { | |
377 | .name = "da903x-regulator", | |
378 | .id = DA9030_ID_LDO4, | |
379 | .platform_data = &stargate2_ldo_init_data[vcc_pxa_flash], | |
380 | }, { | |
381 | .name = "da903x-regulator", | |
382 | .id = DA9030_ID_LDO5, | |
383 | .platform_data = &stargate2_ldo_init_data[vcc_cc2420], | |
384 | }, { | |
385 | .name = "da903x-regulator", | |
386 | .id = DA9030_ID_LDO6, | |
387 | .platform_data = &stargate2_ldo_init_data[vcc_vref], | |
388 | }, { | |
389 | .name = "da903x-regulator", | |
390 | .id = DA9030_ID_LDO7, | |
391 | .platform_data = &stargate2_ldo_init_data[vcc_sram_ext], | |
392 | }, { | |
393 | .name = "da903x-regulator", | |
394 | .id = DA9030_ID_LDO8, | |
395 | .platform_data = &stargate2_ldo_init_data[vcc_mica], | |
396 | }, { | |
397 | .name = "da903x-regulator", | |
398 | .id = DA9030_ID_LDO9, | |
399 | .platform_data = &stargate2_ldo_init_data[vcc_bt], | |
400 | }, { | |
401 | .name = "da903x-regulator", | |
402 | .id = DA9030_ID_LDO10, | |
403 | .platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8], | |
404 | }, { | |
405 | .name = "da903x-regulator", | |
406 | .id = DA9030_ID_LDO11, | |
407 | .platform_data = &stargate2_ldo_init_data[vcc_sensor_3], | |
408 | }, { | |
409 | .name = "da903x-regulator", | |
410 | .id = DA9030_ID_LDO12, | |
411 | .platform_data = &stargate2_ldo_init_data[vcc_lcd], | |
412 | }, { | |
413 | .name = "da903x-regulator", | |
414 | .id = DA9030_ID_LDO15, | |
415 | .platform_data = &stargate2_ldo_init_data[vcc_pxa_pll], | |
416 | }, { | |
417 | .name = "da903x-regulator", | |
418 | .id = DA9030_ID_LDO17, | |
419 | .platform_data = &stargate2_ldo_init_data[vcc_pxa_usim], | |
420 | }, { | |
421 | .name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */ | |
422 | .id = DA9030_ID_LDO18, | |
423 | .platform_data = &stargate2_ldo_init_data[vcc_io], | |
424 | }, { | |
425 | .name = "da903x-regulator", | |
426 | .id = DA9030_ID_LDO19, | |
427 | .platform_data = &stargate2_ldo_init_data[vcc_pxa_mem], | |
428 | }, | |
429 | }; | |
430 | ||
431 | static struct da903x_platform_data stargate2_da9030_pdata = { | |
432 | .num_subdevs = ARRAY_SIZE(stargate2_da9030_subdevs), | |
433 | .subdevs = stargate2_da9030_subdevs, | |
434 | }; | |
435 | ||
436 | static struct resource smc91x_resources[] = { | |
437 | [0] = { | |
438 | .name = "smc91x-regs", | |
439 | .start = (PXA_CS4_PHYS + 0x300), | |
440 | .end = (PXA_CS4_PHYS + 0xfffff), | |
441 | .flags = IORESOURCE_MEM, | |
442 | }, | |
443 | [1] = { | |
444 | .start = IRQ_GPIO(40), | |
445 | .end = IRQ_GPIO(40), | |
446 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, | |
447 | } | |
448 | }; | |
449 | ||
450 | static struct smc91x_platdata stargate2_smc91x_info = { | |
451 | .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT | |
452 | | SMC91X_NOWAIT | SMC91X_USE_DMA, | |
453 | }; | |
454 | ||
455 | static struct platform_device smc91x_device = { | |
456 | .name = "smc91x", | |
457 | .id = -1, | |
458 | .num_resources = ARRAY_SIZE(smc91x_resources), | |
459 | .resource = smc91x_resources, | |
460 | .dev = { | |
461 | .platform_data = &stargate2_smc91x_info, | |
462 | }, | |
463 | }; | |
464 | ||
465 | ||
466 | ||
467 | static struct pxamci_platform_data stargate2_mci_platform_data; | |
468 | ||
469 | /* | |
470 | * The card detect interrupt isn't debounced so we delay it by 250ms | |
471 | * to give the card a chance to fully insert / eject. | |
472 | */ | |
473 | static int stargate2_mci_init(struct device *dev, | |
474 | irq_handler_t stargate2_detect_int, | |
475 | void *data) | |
476 | { | |
477 | int err; | |
478 | ||
479 | err = gpio_request(SG2_SD_POWER_ENABLE, "SG2_sd_power_enable"); | |
480 | if (err) { | |
481 | printk(KERN_ERR "Can't get the gpio for SD power control"); | |
482 | goto return_err; | |
483 | } | |
484 | gpio_direction_output(SG2_SD_POWER_ENABLE, 0); | |
485 | ||
486 | err = gpio_request(SG2_GPIO_nSD_DETECT, "SG2_sd_detect"); | |
487 | if (err) { | |
488 | printk(KERN_ERR "Can't get the sd detect gpio"); | |
489 | goto free_power_en; | |
490 | } | |
491 | gpio_direction_input(SG2_GPIO_nSD_DETECT); | |
492 | /* Delay to allow for full insertion */ | |
493 | stargate2_mci_platform_data.detect_delay = msecs_to_jiffies(250); | |
494 | ||
495 | err = request_irq(IRQ_GPIO(SG2_GPIO_nSD_DETECT), | |
496 | stargate2_detect_int, | |
497 | IRQ_TYPE_EDGE_BOTH, | |
498 | "MMC card detect", | |
499 | data); | |
500 | if (err) { | |
501 | printk(KERN_ERR "can't request MMC card detect IRQ\n"); | |
502 | goto free_nsd_detect; | |
503 | } | |
504 | return 0; | |
505 | ||
506 | free_nsd_detect: | |
507 | gpio_free(SG2_GPIO_nSD_DETECT); | |
508 | free_power_en: | |
509 | gpio_free(SG2_SD_POWER_ENABLE); | |
510 | return_err: | |
511 | return err; | |
512 | } | |
513 | ||
514 | /** | |
515 | * stargate2_mci_setpower() - set state of mmc power supply | |
516 | * | |
517 | * Very simple control. Either it is on or off and is controlled by | |
518 | * a gpio pin */ | |
519 | static void stargate2_mci_setpower(struct device *dev, unsigned int vdd) | |
520 | { | |
521 | gpio_set_value(SG2_SD_POWER_ENABLE, !!vdd); | |
522 | } | |
523 | ||
524 | static void stargate2_mci_exit(struct device *dev, void *data) | |
525 | { | |
526 | free_irq(IRQ_GPIO(SG2_GPIO_nSD_DETECT), data); | |
527 | gpio_free(SG2_SD_POWER_ENABLE); | |
528 | gpio_free(SG2_GPIO_nSD_DETECT); | |
529 | } | |
530 | ||
531 | static struct pxamci_platform_data stargate2_mci_platform_data = { | |
532 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, | |
533 | .init = stargate2_mci_init, | |
534 | .setpower = stargate2_mci_setpower, | |
535 | .exit = stargate2_mci_exit, | |
536 | }; | |
537 | ||
538 | static struct mtd_partition stargate2flash_partitions[] = { | |
539 | { | |
540 | .name = "Bootloader", | |
541 | .size = 0x00040000, | |
542 | .offset = 0, | |
543 | .mask_flags = 0, | |
544 | }, { | |
545 | .name = "Kernel", | |
546 | .size = 0x00200000, | |
547 | .offset = 0x00040000, | |
548 | .mask_flags = 0 | |
549 | }, { | |
550 | .name = "Filesystem", | |
551 | .size = 0x01DC0000, | |
552 | .offset = 0x00240000, | |
553 | .mask_flags = 0 | |
554 | }, | |
555 | }; | |
556 | ||
557 | static struct resource flash_resources = { | |
558 | .start = PXA_CS0_PHYS, | |
559 | .end = PXA_CS0_PHYS + SZ_32M - 1, | |
560 | .flags = IORESOURCE_MEM, | |
561 | }; | |
562 | ||
563 | static struct flash_platform_data stargate2_flash_data = { | |
564 | .map_name = "cfi_probe", | |
565 | .parts = stargate2flash_partitions, | |
566 | .nr_parts = ARRAY_SIZE(stargate2flash_partitions), | |
567 | .name = "PXA27xOnChipROM", | |
568 | .width = 2, | |
569 | }; | |
570 | ||
571 | static struct platform_device stargate2_flash_device = { | |
572 | .name = "pxa2xx-flash", | |
573 | .id = 0, | |
574 | .dev = { | |
575 | .platform_data = &stargate2_flash_data, | |
576 | }, | |
577 | .resource = &flash_resources, | |
578 | .num_resources = 1, | |
579 | }; | |
580 | ||
581 | /* | |
582 | * SRAM - The Stargate 2 has 32MB of SRAM. | |
583 | * | |
584 | * Here it is made available as an MTD. This will then | |
585 | * typically have a cifs filesystem created on it to provide | |
586 | * fast temporary storage. | |
587 | */ | |
588 | static struct resource sram_resources = { | |
589 | .start = PXA_CS1_PHYS, | |
590 | .end = PXA_CS1_PHYS + SZ_32M-1, | |
591 | .flags = IORESOURCE_MEM, | |
592 | }; | |
593 | ||
594 | static struct platdata_mtd_ram stargate2_sram_pdata = { | |
595 | .mapname = "Stargate2 SRAM", | |
596 | .bankwidth = 2, | |
597 | }; | |
598 | ||
599 | static struct platform_device stargate2_sram = { | |
600 | .name = "mtd-ram", | |
601 | .id = 0, | |
602 | .resource = &sram_resources, | |
603 | .num_resources = 1, | |
604 | .dev = { | |
605 | .platform_data = &stargate2_sram_pdata, | |
606 | }, | |
607 | }; | |
608 | ||
609 | static struct pcf857x_platform_data platform_data_pcf857x = { | |
610 | .gpio_base = 128, | |
611 | .n_latch = 0, | |
612 | .setup = NULL, | |
613 | .teardown = NULL, | |
614 | .context = NULL, | |
615 | }; | |
616 | ||
617 | static struct at24_platform_data pca9500_eeprom_pdata = { | |
618 | .byte_len = 256, | |
619 | .page_size = 4, | |
620 | }; | |
621 | ||
622 | ||
623 | static struct i2c_board_info __initdata stargate2_i2c_board_info[] = { | |
624 | /* Techically this a pca9500 - but it's compatible with the 8574 | |
625 | * for gpio expansion and the 24c02 for eeprom access. | |
626 | */ | |
627 | { | |
628 | .type = "pcf8574", | |
629 | .addr = 0x27, | |
630 | .platform_data = &platform_data_pcf857x, | |
631 | }, { | |
632 | .type = "24c02", | |
633 | .addr = 0x57, | |
634 | .platform_data = &pca9500_eeprom_pdata, | |
635 | }, { | |
636 | .type = "max1238", | |
637 | .addr = 0x35, | |
638 | }, { /* ITS400 Sensor board only */ | |
639 | .type = "max1363", | |
640 | .addr = 0x34, | |
641 | /* Through a nand gate - Also beware, on V2 sensor board the | |
642 | * pull up resistors are missing. | |
643 | */ | |
644 | .irq = IRQ_GPIO(99), | |
645 | }, { /* ITS400 Sensor board only */ | |
646 | .type = "tsl2561", | |
647 | .addr = 0x49, | |
648 | /* Through a nand gate - Also beware, on V2 sensor board the | |
649 | * pull up resistors are missing. | |
650 | */ | |
651 | .irq = IRQ_GPIO(99), | |
652 | }, { /* ITS400 Sensor board only */ | |
653 | .type = "tmp175", | |
654 | .addr = 0x4A, | |
655 | .irq = IRQ_GPIO(96), | |
656 | }, | |
657 | }; | |
658 | ||
659 | static struct i2c_board_info __initdata stargate2_pwr_i2c_board_info[] = { | |
660 | { | |
661 | .type = "da9030", | |
662 | .addr = 0x49, | |
663 | .platform_data = &stargate2_da9030_pdata, | |
664 | .irq = gpio_to_irq(1), | |
665 | }, | |
666 | }; | |
667 | ||
668 | static struct pxa2xx_spi_master pxa_ssp_master_0_info = { | |
669 | .num_chipselect = 1, | |
670 | }; | |
671 | ||
672 | static struct pxa2xx_spi_master pxa_ssp_master_1_info = { | |
673 | .num_chipselect = 1, | |
674 | }; | |
675 | ||
676 | static struct pxa2xx_spi_master pxa_ssp_master_2_info = { | |
677 | .num_chipselect = 1, | |
678 | }; | |
679 | ||
680 | /* An upcoming kernel change will scrap SFRM usage so these | |
681 | * drivers have been moved to use gpio's via cs_control */ | |
682 | static struct pxa2xx_spi_chip staccel_chip_info = { | |
683 | .tx_threshold = 8, | |
684 | .rx_threshold = 8, | |
685 | .dma_burst_size = 8, | |
686 | .timeout = 235, | |
687 | .gpio_cs = 24, | |
688 | }; | |
689 | ||
690 | static struct pxa2xx_spi_chip cc2420_info = { | |
691 | .tx_threshold = 8, | |
692 | .rx_threshold = 8, | |
693 | .dma_burst_size = 8, | |
694 | .timeout = 235, | |
695 | .gpio_cs = 39, | |
696 | }; | |
697 | ||
698 | static struct spi_board_info spi_board_info[] __initdata = { | |
699 | { | |
700 | .modalias = "lis3l02dq", | |
701 | .max_speed_hz = 8000000,/* 8MHz max spi frequency at 3V */ | |
702 | .bus_num = 1, | |
703 | .chip_select = 0, | |
704 | .controller_data = &staccel_chip_info, | |
705 | .irq = IRQ_GPIO(96), | |
706 | }, { | |
707 | .modalias = "cc2420", | |
708 | .max_speed_hz = 6500000, | |
709 | .bus_num = 3, | |
710 | .chip_select = 0, | |
711 | .controller_data = &cc2420_info, | |
712 | }, | |
713 | }; | |
714 | ||
715 | static void sg2_udc_command(int cmd) | |
716 | { | |
717 | switch (cmd) { | |
718 | case PXA2XX_UDC_CMD_CONNECT: | |
719 | UP2OCR |= UP2OCR_HXOE | UP2OCR_DPPUE | UP2OCR_DPPUBE; | |
720 | break; | |
721 | case PXA2XX_UDC_CMD_DISCONNECT: | |
722 | UP2OCR &= ~(UP2OCR_HXOE | UP2OCR_DPPUE | UP2OCR_DPPUBE); | |
723 | break; | |
724 | } | |
725 | } | |
726 | ||
727 | /* Board doesn't support cable detection - so always lie and say | |
728 | * something is there. | |
729 | */ | |
730 | static int sg2_udc_detect(void) | |
731 | { | |
732 | return 1; | |
733 | } | |
734 | ||
735 | static struct pxa2xx_udc_mach_info stargate2_udc_info __initdata = { | |
736 | .udc_is_connected = sg2_udc_detect, | |
737 | .udc_command = sg2_udc_command, | |
738 | }; | |
739 | ||
740 | static struct platform_device *stargate2_devices[] = { | |
741 | &stargate2_flash_device, | |
742 | &stargate2_sram, | |
743 | &smc91x_device, | |
744 | &sht15, | |
745 | }; | |
746 | ||
747 | static struct i2c_pxa_platform_data i2c_pwr_pdata = { | |
748 | .fast_mode = 1, | |
749 | }; | |
750 | ||
751 | static struct i2c_pxa_platform_data i2c_pdata = { | |
752 | .fast_mode = 1, | |
753 | }; | |
754 | ||
755 | static void __init stargate2_init(void) | |
756 | { | |
757 | /* This is probably a board specific hack as this must be set | |
758 | prior to connecting the MFP stuff up. */ | |
759 | MECR &= ~MECR_NOS; | |
760 | ||
761 | pxa2xx_mfp_config(ARRAY_AND_SIZE(stargate2_pin_config)); | |
762 | ||
763 | /* spi chip selects */ | |
764 | gpio_direction_output(37, 0); | |
765 | gpio_direction_output(24, 0); | |
766 | gpio_direction_output(39, 0); | |
767 | ||
768 | platform_add_devices(ARRAY_AND_SIZE(stargate2_devices)); | |
769 | ||
770 | pxa2xx_set_spi_info(1, &pxa_ssp_master_0_info); | |
771 | pxa2xx_set_spi_info(2, &pxa_ssp_master_1_info); | |
772 | pxa2xx_set_spi_info(3, &pxa_ssp_master_2_info); | |
773 | spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); | |
774 | ||
775 | i2c_register_board_info(0, ARRAY_AND_SIZE(stargate2_i2c_board_info)); | |
776 | i2c_register_board_info(1, | |
777 | ARRAY_AND_SIZE(stargate2_pwr_i2c_board_info)); | |
778 | pxa27x_set_i2c_power_info(&i2c_pwr_pdata); | |
779 | pxa_set_i2c_info(&i2c_pdata); | |
780 | ||
781 | pxa_set_mci_info(&stargate2_mci_platform_data); | |
782 | ||
783 | pxa_set_udc_info(&stargate2_udc_info); | |
784 | ||
785 | stargate2_reset_bluetooth(); | |
786 | } | |
787 | ||
788 | MACHINE_START(STARGATE2, "Stargate 2") | |
789 | .phys_io = 0x40000000, | |
790 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | |
791 | .map_io = pxa_map_io, | |
792 | .init_irq = pxa27x_init_irq, | |
793 | .timer = &pxa_timer, | |
794 | .init_machine = stargate2_init, | |
795 | .boot_params = 0xA0000100, | |
796 | MACHINE_END |