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550ee52d DM |
1 | /* |
2 | * arch/arm/mach-pxa/raumfeld.c | |
3 | * | |
4 | * Support for the following Raumfeld devices: | |
5 | * | |
6 | * * Controller | |
7 | * * Connector | |
8 | * * Speaker S/M | |
9 | * | |
10 | * See http://www.raumfeld.com for details. | |
11 | * | |
12 | * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> | |
13 | * | |
14 | * This program is free software; you can redistribute it and/or modify | |
15 | * it under the terms of the GNU General Public License version 2 as | |
16 | * published by the Free Software Foundation. | |
17 | */ | |
18 | ||
19 | #include <linux/init.h> | |
20 | #include <linux/kernel.h> | |
21 | #include <linux/sysdev.h> | |
22 | #include <linux/platform_device.h> | |
23 | #include <linux/interrupt.h> | |
24 | #include <linux/gpio.h> | |
25 | #include <linux/smsc911x.h> | |
26 | #include <linux/input.h> | |
27 | #include <linux/rotary_encoder.h> | |
28 | #include <linux/gpio_keys.h> | |
29 | #include <linux/input/eeti_ts.h> | |
30 | #include <linux/leds.h> | |
31 | #include <linux/w1-gpio.h> | |
32 | #include <linux/sched.h> | |
33 | #include <linux/pwm_backlight.h> | |
34 | #include <linux/i2c.h> | |
35 | #include <linux/spi/spi.h> | |
36 | #include <linux/spi/spi_gpio.h> | |
37 | #include <linux/lis3lv02d.h> | |
38 | #include <linux/pda_power.h> | |
39 | #include <linux/power_supply.h> | |
550ee52d DM |
40 | #include <linux/regulator/max8660.h> |
41 | #include <linux/regulator/machine.h> | |
42 | #include <linux/regulator/fixed.h> | |
43 | #include <linux/regulator/consumer.h> | |
44 | #include <linux/delay.h> | |
45 | ||
46 | #include <asm/mach-types.h> | |
47 | #include <asm/mach/arch.h> | |
48 | ||
49 | #include <mach/hardware.h> | |
50 | #include <mach/pxa3xx-regs.h> | |
51 | #include <mach/mfp-pxa3xx.h> | |
52 | #include <mach/mfp-pxa300.h> | |
53 | #include <mach/ohci.h> | |
54 | #include <mach/pxafb.h> | |
55 | #include <mach/mmc.h> | |
56 | #include <plat/i2c.h> | |
57 | #include <plat/pxa3xx_nand.h> | |
58 | ||
59 | #include "generic.h" | |
60 | #include "devices.h" | |
61 | #include "clock.h" | |
62 | ||
63 | /* common GPIO definitions */ | |
64 | ||
65 | /* inputs */ | |
66 | #define GPIO_ON_OFF (14) | |
67 | #define GPIO_VOLENC_A (19) | |
68 | #define GPIO_VOLENC_B (20) | |
69 | #define GPIO_CHARGE_DONE (23) | |
70 | #define GPIO_CHARGE_IND (27) | |
71 | #define GPIO_TOUCH_IRQ (32) | |
72 | #define GPIO_ETH_IRQ (40) | |
73 | #define GPIO_SPI_MISO (98) | |
74 | #define GPIO_ACCEL_IRQ (104) | |
75 | #define GPIO_RESCUE_BOOT (115) | |
76 | #define GPIO_DOCK_DETECT (116) | |
77 | #define GPIO_KEY1 (117) | |
78 | #define GPIO_KEY2 (118) | |
79 | #define GPIO_KEY3 (119) | |
80 | #define GPIO_CHARGE_USB_OK (112) | |
81 | #define GPIO_CHARGE_DC_OK (101) | |
82 | #define GPIO_CHARGE_USB_SUSP (102) | |
83 | ||
84 | /* outputs */ | |
85 | #define GPIO_SHUTDOWN_SUPPLY (16) | |
86 | #define GPIO_SHUTDOWN_BATT (18) | |
87 | #define GPIO_CHRG_PEN2 (31) | |
88 | #define GPIO_TFT_VA_EN (33) | |
89 | #define GPIO_SPDIF_CS (34) | |
90 | #define GPIO_LED2 (35) | |
91 | #define GPIO_LED1 (36) | |
92 | #define GPIO_SPDIF_RESET (38) | |
93 | #define GPIO_SPI_CLK (95) | |
94 | #define GPIO_MCLK_DAC_CS (96) | |
95 | #define GPIO_SPI_MOSI (97) | |
96 | #define GPIO_W1_PULLUP_ENABLE (105) | |
97 | #define GPIO_DISPLAY_ENABLE (106) | |
98 | #define GPIO_MCLK_RESET (111) | |
99 | #define GPIO_W2W_RESET (113) | |
100 | #define GPIO_W2W_PDN (114) | |
101 | #define GPIO_CODEC_RESET (120) | |
102 | #define GPIO_AUDIO_VA_ENABLE (124) | |
103 | #define GPIO_ACCEL_CS (125) | |
104 | #define GPIO_ONE_WIRE (126) | |
105 | ||
106 | /* | |
107 | * GPIO configurations | |
108 | */ | |
109 | static mfp_cfg_t raumfeld_controller_pin_config[] __initdata = { | |
110 | /* UART1 */ | |
111 | GPIO77_UART1_RXD, | |
112 | GPIO78_UART1_TXD, | |
113 | GPIO79_UART1_CTS, | |
114 | GPIO81_UART1_DSR, | |
115 | GPIO83_UART1_DTR, | |
116 | GPIO84_UART1_RTS, | |
117 | ||
118 | /* UART3 */ | |
119 | GPIO110_UART3_RXD, | |
120 | ||
121 | /* USB Host */ | |
122 | GPIO0_2_USBH_PEN, | |
123 | GPIO1_2_USBH_PWR, | |
124 | ||
125 | /* I2C */ | |
126 | GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT, | |
127 | GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT, | |
128 | ||
129 | /* SPI */ | |
130 | GPIO34_GPIO, /* SPDIF_CS */ | |
131 | GPIO96_GPIO, /* MCLK_CS */ | |
132 | GPIO125_GPIO, /* ACCEL_CS */ | |
133 | ||
134 | /* MMC */ | |
135 | GPIO3_MMC1_DAT0, | |
136 | GPIO4_MMC1_DAT1, | |
137 | GPIO5_MMC1_DAT2, | |
138 | GPIO6_MMC1_DAT3, | |
139 | GPIO7_MMC1_CLK, | |
140 | GPIO8_MMC1_CMD, | |
141 | ||
142 | /* One-wire */ | |
143 | GPIO126_GPIO | MFP_LPM_FLOAT, | |
144 | GPIO105_GPIO | MFP_PULL_LOW | MFP_LPM_PULL_LOW, | |
145 | ||
146 | /* CHRG_USB_OK */ | |
147 | GPIO101_GPIO | MFP_PULL_HIGH, | |
148 | /* CHRG_USB_OK */ | |
149 | GPIO112_GPIO | MFP_PULL_HIGH, | |
150 | /* CHRG_USB_SUSP */ | |
151 | GPIO102_GPIO, | |
152 | /* DISPLAY_ENABLE */ | |
153 | GPIO106_GPIO, | |
154 | /* DOCK_DETECT */ | |
155 | GPIO116_GPIO | MFP_LPM_FLOAT | MFP_PULL_FLOAT, | |
156 | ||
157 | /* LCD */ | |
158 | GPIO54_LCD_LDD_0, | |
159 | GPIO55_LCD_LDD_1, | |
160 | GPIO56_LCD_LDD_2, | |
161 | GPIO57_LCD_LDD_3, | |
162 | GPIO58_LCD_LDD_4, | |
163 | GPIO59_LCD_LDD_5, | |
164 | GPIO60_LCD_LDD_6, | |
165 | GPIO61_LCD_LDD_7, | |
166 | GPIO62_LCD_LDD_8, | |
167 | GPIO63_LCD_LDD_9, | |
168 | GPIO64_LCD_LDD_10, | |
169 | GPIO65_LCD_LDD_11, | |
170 | GPIO66_LCD_LDD_12, | |
171 | GPIO67_LCD_LDD_13, | |
172 | GPIO68_LCD_LDD_14, | |
173 | GPIO69_LCD_LDD_15, | |
174 | GPIO70_LCD_LDD_16, | |
175 | GPIO71_LCD_LDD_17, | |
176 | GPIO72_LCD_FCLK, | |
177 | GPIO73_LCD_LCLK, | |
178 | GPIO74_LCD_PCLK, | |
179 | GPIO75_LCD_BIAS, | |
180 | }; | |
181 | ||
182 | static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = { | |
183 | /* UART1 */ | |
184 | GPIO77_UART1_RXD, | |
185 | GPIO78_UART1_TXD, | |
186 | GPIO79_UART1_CTS, | |
187 | GPIO81_UART1_DSR, | |
188 | GPIO83_UART1_DTR, | |
189 | GPIO84_UART1_RTS, | |
190 | ||
191 | /* UART3 */ | |
192 | GPIO110_UART3_RXD, | |
193 | ||
194 | /* USB Host */ | |
195 | GPIO0_2_USBH_PEN, | |
196 | GPIO1_2_USBH_PWR, | |
197 | ||
198 | /* I2C */ | |
199 | GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT, | |
200 | GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT, | |
201 | ||
202 | /* SPI */ | |
203 | GPIO34_GPIO, /* SPDIF_CS */ | |
204 | GPIO96_GPIO, /* MCLK_CS */ | |
205 | GPIO125_GPIO, /* ACCEL_CS */ | |
206 | ||
207 | /* MMC */ | |
208 | GPIO3_MMC1_DAT0, | |
209 | GPIO4_MMC1_DAT1, | |
210 | GPIO5_MMC1_DAT2, | |
211 | GPIO6_MMC1_DAT3, | |
212 | GPIO7_MMC1_CLK, | |
213 | GPIO8_MMC1_CMD, | |
214 | ||
215 | /* Ethernet */ | |
216 | GPIO1_nCS2, /* CS */ | |
217 | GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */ | |
218 | ||
219 | /* SSP for I2S */ | |
220 | GPIO85_SSP1_SCLK, | |
221 | GPIO89_SSP1_EXTCLK, | |
222 | GPIO86_SSP1_FRM, | |
223 | GPIO87_SSP1_TXD, | |
224 | GPIO88_SSP1_RXD, | |
225 | GPIO90_SSP1_SYSCLK, | |
226 | ||
227 | /* SSP2 for S/PDIF */ | |
228 | GPIO25_SSP2_SCLK, | |
229 | GPIO26_SSP2_FRM, | |
230 | GPIO27_SSP2_TXD, | |
231 | GPIO29_SSP2_EXTCLK, | |
31436bbe DM |
232 | |
233 | /* LEDs */ | |
234 | GPIO35_GPIO | MFP_LPM_PULL_LOW, | |
235 | GPIO36_GPIO | MFP_LPM_DRIVE_HIGH, | |
550ee52d DM |
236 | }; |
237 | ||
238 | static mfp_cfg_t raumfeld_speaker_pin_config[] __initdata = { | |
239 | /* UART1 */ | |
240 | GPIO77_UART1_RXD, | |
241 | GPIO78_UART1_TXD, | |
242 | GPIO79_UART1_CTS, | |
243 | GPIO81_UART1_DSR, | |
244 | GPIO83_UART1_DTR, | |
245 | GPIO84_UART1_RTS, | |
246 | ||
247 | /* UART3 */ | |
248 | GPIO110_UART3_RXD, | |
249 | ||
250 | /* USB Host */ | |
251 | GPIO0_2_USBH_PEN, | |
252 | GPIO1_2_USBH_PWR, | |
253 | ||
254 | /* I2C */ | |
255 | GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT, | |
256 | GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT, | |
257 | ||
258 | /* SPI */ | |
259 | GPIO34_GPIO, /* SPDIF_CS */ | |
260 | GPIO96_GPIO, /* MCLK_CS */ | |
261 | GPIO125_GPIO, /* ACCEL_CS */ | |
262 | ||
263 | /* MMC */ | |
264 | GPIO3_MMC1_DAT0, | |
265 | GPIO4_MMC1_DAT1, | |
266 | GPIO5_MMC1_DAT2, | |
267 | GPIO6_MMC1_DAT3, | |
268 | GPIO7_MMC1_CLK, | |
269 | GPIO8_MMC1_CMD, | |
270 | ||
271 | /* Ethernet */ | |
272 | GPIO1_nCS2, /* CS */ | |
273 | GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */ | |
274 | ||
275 | /* SSP for I2S */ | |
276 | GPIO85_SSP1_SCLK, | |
277 | GPIO89_SSP1_EXTCLK, | |
278 | GPIO86_SSP1_FRM, | |
279 | GPIO87_SSP1_TXD, | |
280 | GPIO88_SSP1_RXD, | |
281 | GPIO90_SSP1_SYSCLK, | |
31436bbe DM |
282 | |
283 | /* LEDs */ | |
284 | GPIO35_GPIO | MFP_LPM_PULL_LOW, | |
285 | GPIO36_GPIO | MFP_LPM_DRIVE_HIGH, | |
550ee52d DM |
286 | }; |
287 | ||
288 | /* | |
289 | * SMSC LAN9220 Ethernet | |
290 | */ | |
291 | ||
292 | static struct resource smc91x_resources[] = { | |
293 | { | |
294 | .start = PXA3xx_CS2_PHYS, | |
295 | .end = PXA3xx_CS2_PHYS + 0xfffff, | |
296 | .flags = IORESOURCE_MEM, | |
297 | }, | |
298 | { | |
299 | .start = gpio_to_irq(GPIO_ETH_IRQ), | |
300 | .end = gpio_to_irq(GPIO_ETH_IRQ), | |
301 | .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING, | |
302 | } | |
303 | }; | |
304 | ||
305 | static struct smsc911x_platform_config raumfeld_smsc911x_config = { | |
306 | .phy_interface = PHY_INTERFACE_MODE_MII, | |
307 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, | |
308 | .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, | |
309 | .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS, | |
310 | }; | |
311 | ||
312 | static struct platform_device smc91x_device = { | |
313 | .name = "smsc911x", | |
314 | .id = -1, | |
315 | .num_resources = ARRAY_SIZE(smc91x_resources), | |
316 | .resource = smc91x_resources, | |
317 | .dev = { | |
318 | .platform_data = &raumfeld_smsc911x_config, | |
319 | } | |
320 | }; | |
321 | ||
322 | /** | |
323 | * NAND | |
324 | */ | |
325 | ||
326 | static struct mtd_partition raumfeld_nand_partitions[] = { | |
327 | { | |
328 | .name = "Bootloader", | |
329 | .offset = 0, | |
330 | .size = 0xa0000, | |
331 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
332 | }, | |
333 | { | |
334 | .name = "BootloaderEnvironment", | |
335 | .offset = 0xa0000, | |
336 | .size = 0x20000, | |
337 | }, | |
338 | { | |
339 | .name = "BootloaderSplashScreen", | |
340 | .offset = 0xc0000, | |
341 | .size = 0x60000, | |
342 | }, | |
343 | { | |
344 | .name = "UBI", | |
345 | .offset = 0x120000, | |
346 | .size = MTDPART_SIZ_FULL, | |
347 | }, | |
348 | }; | |
349 | ||
350 | static struct pxa3xx_nand_platform_data raumfeld_nand_info = { | |
351 | .enable_arbiter = 1, | |
352 | .keep_config = 1, | |
353 | .parts = raumfeld_nand_partitions, | |
354 | .nr_parts = ARRAY_SIZE(raumfeld_nand_partitions), | |
355 | }; | |
356 | ||
357 | /** | |
358 | * USB (OHCI) support | |
359 | */ | |
360 | ||
361 | static struct pxaohci_platform_data raumfeld_ohci_info = { | |
362 | .port_mode = PMM_GLOBAL_MODE, | |
363 | .flags = ENABLE_PORT1, | |
364 | }; | |
365 | ||
366 | /** | |
367 | * Rotary encoder input device | |
368 | */ | |
369 | ||
370 | static struct rotary_encoder_platform_data raumfeld_rotary_encoder_info = { | |
371 | .steps = 24, | |
372 | .axis = REL_X, | |
373 | .relative_axis = 1, | |
374 | .gpio_a = GPIO_VOLENC_A, | |
375 | .gpio_b = GPIO_VOLENC_B, | |
376 | .inverted_a = 1, | |
377 | .inverted_b = 0, | |
378 | }; | |
379 | ||
380 | static struct platform_device rotary_encoder_device = { | |
381 | .name = "rotary-encoder", | |
382 | .id = 0, | |
383 | .dev = { | |
384 | .platform_data = &raumfeld_rotary_encoder_info, | |
385 | } | |
386 | }; | |
387 | ||
388 | /** | |
389 | * GPIO buttons | |
390 | */ | |
391 | ||
392 | static struct gpio_keys_button gpio_keys_button[] = { | |
393 | { | |
394 | .code = KEY_F1, | |
395 | .type = EV_KEY, | |
396 | .gpio = GPIO_KEY1, | |
397 | .active_low = 1, | |
398 | .wakeup = 0, | |
399 | .debounce_interval = 5, /* ms */ | |
400 | .desc = "Button 1", | |
401 | }, | |
402 | { | |
403 | .code = KEY_F2, | |
404 | .type = EV_KEY, | |
405 | .gpio = GPIO_KEY2, | |
406 | .active_low = 1, | |
407 | .wakeup = 0, | |
408 | .debounce_interval = 5, /* ms */ | |
409 | .desc = "Button 2", | |
410 | }, | |
411 | { | |
412 | .code = KEY_F3, | |
413 | .type = EV_KEY, | |
414 | .gpio = GPIO_KEY3, | |
415 | .active_low = 1, | |
416 | .wakeup = 0, | |
417 | .debounce_interval = 5, /* ms */ | |
418 | .desc = "Button 3", | |
419 | }, | |
420 | { | |
421 | .code = KEY_F4, | |
422 | .type = EV_KEY, | |
423 | .gpio = GPIO_RESCUE_BOOT, | |
424 | .active_low = 0, | |
425 | .wakeup = 0, | |
426 | .debounce_interval = 5, /* ms */ | |
427 | .desc = "rescue boot button", | |
428 | }, | |
429 | { | |
430 | .code = KEY_F5, | |
431 | .type = EV_KEY, | |
432 | .gpio = GPIO_DOCK_DETECT, | |
433 | .active_low = 1, | |
434 | .wakeup = 0, | |
435 | .debounce_interval = 5, /* ms */ | |
436 | .desc = "dock detect", | |
437 | }, | |
438 | { | |
439 | .code = KEY_F6, | |
440 | .type = EV_KEY, | |
441 | .gpio = GPIO_ON_OFF, | |
442 | .active_low = 0, | |
443 | .wakeup = 0, | |
444 | .debounce_interval = 5, /* ms */ | |
fe3ebaad | 445 | .desc = "on_off button", |
550ee52d DM |
446 | }, |
447 | }; | |
448 | ||
449 | static struct gpio_keys_platform_data gpio_keys_platform_data = { | |
450 | .buttons = gpio_keys_button, | |
451 | .nbuttons = ARRAY_SIZE(gpio_keys_button), | |
452 | .rep = 0, | |
453 | }; | |
454 | ||
455 | static struct platform_device raumfeld_gpio_keys_device = { | |
456 | .name = "gpio-keys", | |
457 | .id = -1, | |
458 | .dev = { | |
459 | .platform_data = &gpio_keys_platform_data, | |
460 | } | |
461 | }; | |
462 | ||
463 | /** | |
464 | * GPIO LEDs | |
465 | */ | |
466 | ||
467 | static struct gpio_led raumfeld_leds[] = { | |
468 | { | |
469 | .name = "raumfeld:1", | |
470 | .gpio = GPIO_LED1, | |
471 | .active_low = 1, | |
472 | .default_state = LEDS_GPIO_DEFSTATE_ON, | |
473 | }, | |
474 | { | |
475 | .name = "raumfeld:2", | |
476 | .gpio = GPIO_LED2, | |
477 | .active_low = 0, | |
478 | .default_state = LEDS_GPIO_DEFSTATE_OFF, | |
479 | } | |
480 | }; | |
481 | ||
482 | static struct gpio_led_platform_data raumfeld_led_platform_data = { | |
483 | .leds = raumfeld_leds, | |
484 | .num_leds = ARRAY_SIZE(raumfeld_leds), | |
485 | }; | |
486 | ||
487 | static struct platform_device raumfeld_led_device = { | |
488 | .name = "leds-gpio", | |
489 | .id = -1, | |
490 | .dev = { | |
491 | .platform_data = &raumfeld_led_platform_data, | |
492 | }, | |
493 | }; | |
494 | ||
495 | /** | |
496 | * One-wire (W1 bus) support | |
497 | */ | |
498 | ||
499 | static void w1_enable_external_pullup(int enable) | |
500 | { | |
501 | gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable); | |
502 | msleep(100); | |
503 | } | |
504 | ||
505 | static struct w1_gpio_platform_data w1_gpio_platform_data = { | |
506 | .pin = GPIO_ONE_WIRE, | |
507 | .is_open_drain = 0, | |
508 | .enable_external_pullup = w1_enable_external_pullup, | |
509 | }; | |
510 | ||
511 | struct platform_device raumfeld_w1_gpio_device = { | |
512 | .name = "w1-gpio", | |
513 | .dev = { | |
514 | .platform_data = &w1_gpio_platform_data | |
515 | } | |
516 | }; | |
517 | ||
518 | static void __init raumfeld_w1_init(void) | |
519 | { | |
520 | int ret = gpio_request(GPIO_W1_PULLUP_ENABLE, | |
521 | "W1 external pullup enable"); | |
522 | ||
523 | if (ret < 0) | |
524 | pr_warning("Unable to request GPIO_W1_PULLUP_ENABLE\n"); | |
525 | else | |
526 | gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0); | |
527 | ||
528 | platform_device_register(&raumfeld_w1_gpio_device); | |
529 | } | |
530 | ||
531 | /** | |
532 | * Framebuffer device | |
533 | */ | |
534 | ||
535 | /* PWM controlled backlight */ | |
536 | static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = { | |
537 | .pwm_id = 0, | |
538 | .max_brightness = 100, | |
539 | .dft_brightness = 100, | |
540 | /* 10000 ns = 10 ms ^= 100 kHz */ | |
541 | .pwm_period_ns = 10000, | |
542 | }; | |
543 | ||
544 | static struct platform_device raumfeld_pwm_backlight_device = { | |
545 | .name = "pwm-backlight", | |
546 | .dev = { | |
547 | .parent = &pxa27x_device_pwm0.dev, | |
548 | .platform_data = &raumfeld_pwm_backlight_data, | |
549 | } | |
550 | }; | |
551 | ||
552 | /* LT3593 controlled backlight */ | |
553 | static struct gpio_led raumfeld_lt3593_led = { | |
554 | .name = "backlight", | |
555 | .gpio = mfp_to_gpio(MFP_PIN_GPIO17), | |
556 | .default_state = LEDS_GPIO_DEFSTATE_ON, | |
557 | }; | |
558 | ||
559 | static struct gpio_led_platform_data raumfeld_lt3593_platform_data = { | |
560 | .leds = &raumfeld_lt3593_led, | |
561 | .num_leds = 1, | |
562 | }; | |
563 | ||
564 | static struct platform_device raumfeld_lt3593_device = { | |
565 | .name = "leds-lt3593", | |
566 | .id = -1, | |
567 | .dev = { | |
568 | .platform_data = &raumfeld_lt3593_platform_data, | |
569 | }, | |
570 | }; | |
571 | ||
572 | static struct pxafb_mode_info sharp_lq043t3dx02_mode = { | |
573 | .pixclock = 111000, | |
574 | .xres = 480, | |
575 | .yres = 272, | |
576 | .bpp = 16, | |
577 | .hsync_len = 4, | |
578 | .left_margin = 2, | |
579 | .right_margin = 1, | |
580 | .vsync_len = 1, | |
581 | .upper_margin = 3, | |
582 | .lower_margin = 1, | |
583 | .sync = 0, | |
584 | }; | |
585 | ||
586 | static struct pxafb_mach_info raumfeld_sharp_lcd_info = { | |
587 | .modes = &sharp_lq043t3dx02_mode, | |
588 | .num_modes = 1, | |
589 | .video_mem_size = 0x400000, | |
590 | .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, | |
591 | }; | |
592 | ||
593 | static void __init raumfeld_lcd_init(void) | |
594 | { | |
595 | int ret; | |
596 | ||
597 | set_pxa_fb_info(&raumfeld_sharp_lcd_info); | |
598 | ||
599 | /* Earlier devices had the backlight regulator controlled | |
600 | * via PWM, later versions use another controller for that */ | |
601 | if ((system_rev & 0xff) < 2) { | |
602 | mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT; | |
603 | pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1); | |
604 | platform_device_register(&raumfeld_pwm_backlight_device); | |
605 | } else | |
606 | platform_device_register(&raumfeld_lt3593_device); | |
607 | ||
608 | ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable"); | |
609 | if (ret < 0) | |
610 | pr_warning("Unable to request GPIO_TFT_VA_EN\n"); | |
611 | else | |
612 | gpio_direction_output(GPIO_TFT_VA_EN, 1); | |
613 | ||
614 | ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable"); | |
615 | if (ret < 0) | |
616 | pr_warning("Unable to request GPIO_DISPLAY_ENABLE\n"); | |
617 | else | |
618 | gpio_direction_output(GPIO_DISPLAY_ENABLE, 1); | |
619 | } | |
620 | ||
621 | /** | |
622 | * SPI devices | |
623 | */ | |
624 | ||
625 | struct spi_gpio_platform_data raumfeld_spi_platform_data = { | |
626 | .sck = GPIO_SPI_CLK, | |
627 | .mosi = GPIO_SPI_MOSI, | |
628 | .miso = GPIO_SPI_MISO, | |
629 | .num_chipselect = 3, | |
630 | }; | |
631 | ||
632 | static struct platform_device raumfeld_spi_device = { | |
633 | .name = "spi_gpio", | |
634 | .id = 0, | |
635 | .dev = { | |
636 | .platform_data = &raumfeld_spi_platform_data, | |
637 | } | |
638 | }; | |
639 | ||
640 | static struct lis3lv02d_platform_data lis3_pdata = { | |
641 | .click_flags = LIS3_CLICK_SINGLE_X | | |
642 | LIS3_CLICK_SINGLE_Y | | |
643 | LIS3_CLICK_SINGLE_Z, | |
644 | .irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK, | |
645 | .wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI | | |
646 | LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI | | |
647 | LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI, | |
648 | .wakeup_thresh = 10, | |
649 | .click_thresh_x = 10, | |
650 | .click_thresh_y = 10, | |
651 | .click_thresh_z = 10, | |
652 | }; | |
653 | ||
654 | #define SPI_AK4104 \ | |
655 | { \ | |
656 | .modalias = "ak4104", \ | |
657 | .max_speed_hz = 10000, \ | |
658 | .bus_num = 0, \ | |
659 | .chip_select = 0, \ | |
660 | .controller_data = (void *) GPIO_SPDIF_CS, \ | |
661 | } | |
662 | ||
663 | #define SPI_LIS3 \ | |
664 | { \ | |
665 | .modalias = "lis3lv02d_spi", \ | |
666 | .max_speed_hz = 1000000, \ | |
667 | .bus_num = 0, \ | |
668 | .chip_select = 1, \ | |
669 | .controller_data = (void *) GPIO_ACCEL_CS, \ | |
670 | .platform_data = &lis3_pdata, \ | |
671 | .irq = gpio_to_irq(GPIO_ACCEL_IRQ), \ | |
672 | } | |
673 | ||
674 | #define SPI_DAC7512 \ | |
675 | { \ | |
676 | .modalias = "dac7512", \ | |
677 | .max_speed_hz = 1000000, \ | |
678 | .bus_num = 0, \ | |
679 | .chip_select = 2, \ | |
680 | .controller_data = (void *) GPIO_MCLK_DAC_CS, \ | |
681 | } | |
682 | ||
683 | static struct spi_board_info connector_spi_devices[] __initdata = { | |
684 | SPI_AK4104, | |
685 | SPI_DAC7512, | |
686 | }; | |
687 | ||
688 | static struct spi_board_info speaker_spi_devices[] __initdata = { | |
689 | SPI_DAC7512, | |
690 | }; | |
691 | ||
692 | static struct spi_board_info controller_spi_devices[] __initdata = { | |
693 | SPI_LIS3, | |
694 | }; | |
695 | ||
696 | /** | |
697 | * MMC for Marvell Libertas 8688 via SDIO | |
698 | */ | |
699 | ||
700 | static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data) | |
701 | { | |
702 | gpio_set_value(GPIO_W2W_RESET, 1); | |
703 | gpio_set_value(GPIO_W2W_PDN, 1); | |
704 | ||
705 | return 0; | |
706 | } | |
707 | ||
708 | static void raumfeld_mci_exit(struct device *dev, void *data) | |
709 | { | |
710 | gpio_set_value(GPIO_W2W_RESET, 0); | |
711 | gpio_set_value(GPIO_W2W_PDN, 0); | |
712 | } | |
713 | ||
714 | static struct pxamci_platform_data raumfeld_mci_platform_data = { | |
715 | .init = raumfeld_mci_init, | |
716 | .exit = raumfeld_mci_exit, | |
717 | .detect_delay = 20, | |
718 | .gpio_card_detect = -1, | |
719 | .gpio_card_ro = -1, | |
720 | .gpio_power = -1, | |
721 | }; | |
722 | ||
723 | /* | |
724 | * External power / charge logic | |
725 | */ | |
726 | ||
727 | static int power_supply_init(struct device *dev) | |
728 | { | |
729 | return 0; | |
730 | } | |
731 | ||
732 | static void power_supply_exit(struct device *dev) | |
733 | { | |
734 | } | |
735 | ||
736 | static int raumfeld_is_ac_online(void) | |
737 | { | |
738 | return !gpio_get_value(GPIO_CHARGE_DC_OK); | |
739 | } | |
740 | ||
741 | static int raumfeld_is_usb_online(void) | |
742 | { | |
743 | return 0; | |
744 | } | |
745 | ||
746 | static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" }; | |
747 | ||
748 | static struct pda_power_pdata power_supply_info = { | |
749 | .init = power_supply_init, | |
750 | .is_ac_online = raumfeld_is_ac_online, | |
751 | .is_usb_online = raumfeld_is_usb_online, | |
752 | .exit = power_supply_exit, | |
753 | .supplied_to = raumfeld_power_supplicants, | |
754 | .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants) | |
755 | }; | |
756 | ||
757 | static struct resource power_supply_resources[] = { | |
758 | { | |
759 | .name = "ac", | |
760 | .flags = IORESOURCE_IRQ | | |
761 | IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE, | |
762 | .start = GPIO_CHARGE_DC_OK, | |
763 | .end = GPIO_CHARGE_DC_OK, | |
764 | }, | |
765 | }; | |
766 | ||
767 | static irqreturn_t charge_done_irq(int irq, void *dev_id) | |
768 | { | |
769 | struct power_supply *psy; | |
770 | ||
771 | psy = power_supply_get_by_name("ds2760-battery.0"); | |
772 | ||
773 | if (psy) | |
774 | power_supply_set_battery_charged(psy); | |
775 | ||
776 | return IRQ_HANDLED; | |
777 | } | |
778 | ||
779 | static struct platform_device raumfeld_power_supply = { | |
780 | .name = "pda-power", | |
781 | .id = -1, | |
782 | .dev = { | |
783 | .platform_data = &power_supply_info, | |
784 | }, | |
785 | .resource = power_supply_resources, | |
786 | .num_resources = ARRAY_SIZE(power_supply_resources), | |
787 | }; | |
788 | ||
789 | static void __init raumfeld_power_init(void) | |
790 | { | |
791 | int ret; | |
792 | ||
793 | /* Set PEN2 high to enable maximum charge current */ | |
794 | ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2"); | |
795 | if (ret < 0) | |
796 | pr_warning("Unable to request GPIO_CHRG_PEN2\n"); | |
797 | else | |
798 | gpio_direction_output(GPIO_CHRG_PEN2, 1); | |
799 | ||
800 | ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK"); | |
801 | if (ret < 0) | |
802 | pr_warning("Unable to request GPIO_CHARGE_DC_OK\n"); | |
803 | ||
804 | ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP"); | |
805 | if (ret < 0) | |
806 | pr_warning("Unable to request GPIO_CHARGE_USB_SUSP\n"); | |
807 | else | |
808 | gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0); | |
809 | ||
810 | power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK); | |
811 | power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK); | |
812 | ||
813 | ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE), | |
814 | &charge_done_irq, IORESOURCE_IRQ_LOWEDGE, | |
815 | "charge_done", NULL); | |
816 | ||
817 | if (ret < 0) | |
818 | printk(KERN_ERR "%s: unable to register irq %d\n", __func__, | |
819 | GPIO_CHARGE_DONE); | |
820 | else | |
821 | platform_device_register(&raumfeld_power_supply); | |
822 | } | |
823 | ||
824 | /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */ | |
825 | ||
826 | static struct regulator_consumer_supply audio_va_consumer_supply = | |
827 | REGULATOR_SUPPLY("va", "0-0048"); | |
828 | ||
829 | struct regulator_init_data audio_va_initdata = { | |
830 | .consumer_supplies = &audio_va_consumer_supply, | |
831 | .num_consumer_supplies = 1, | |
832 | .constraints = { | |
833 | .valid_ops_mask = REGULATOR_CHANGE_STATUS, | |
834 | }, | |
835 | }; | |
836 | ||
837 | static struct fixed_voltage_config audio_va_config = { | |
838 | .supply_name = "audio_va", | |
839 | .microvolts = 5000000, | |
840 | .gpio = GPIO_AUDIO_VA_ENABLE, | |
841 | .enable_high = 1, | |
842 | .enabled_at_boot = 0, | |
843 | .init_data = &audio_va_initdata, | |
844 | }; | |
845 | ||
846 | static struct platform_device audio_va_device = { | |
847 | .name = "reg-fixed-voltage", | |
848 | .id = 0, | |
849 | .dev = { | |
850 | .platform_data = &audio_va_config, | |
851 | }, | |
852 | }; | |
853 | ||
854 | /* Dummy supplies for Codec's VD/VLC */ | |
855 | ||
856 | static struct regulator_consumer_supply audio_dummy_supplies[] = { | |
857 | REGULATOR_SUPPLY("vd", "0-0048"), | |
858 | REGULATOR_SUPPLY("vlc", "0-0048"), | |
859 | }; | |
860 | ||
861 | struct regulator_init_data audio_dummy_initdata = { | |
862 | .consumer_supplies = audio_dummy_supplies, | |
863 | .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies), | |
864 | .constraints = { | |
865 | .valid_ops_mask = REGULATOR_CHANGE_STATUS, | |
866 | }, | |
867 | }; | |
868 | ||
869 | static struct fixed_voltage_config audio_dummy_config = { | |
870 | .supply_name = "audio_vd", | |
871 | .microvolts = 3300000, | |
872 | .gpio = -1, | |
873 | .init_data = &audio_dummy_initdata, | |
874 | }; | |
875 | ||
876 | static struct platform_device audio_supply_dummy_device = { | |
877 | .name = "reg-fixed-voltage", | |
878 | .id = 1, | |
879 | .dev = { | |
880 | .platform_data = &audio_dummy_config, | |
881 | }, | |
882 | }; | |
883 | ||
884 | static struct platform_device *audio_regulator_devices[] = { | |
885 | &audio_va_device, | |
886 | &audio_supply_dummy_device, | |
887 | }; | |
888 | ||
889 | /** | |
890 | * Regulator support via MAX8660 | |
891 | */ | |
892 | ||
893 | static struct regulator_consumer_supply vcc_mmc_supply = | |
894 | REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0"); | |
895 | ||
896 | static struct regulator_init_data vcc_mmc_init_data = { | |
897 | .constraints = { | |
898 | .min_uV = 3300000, | |
899 | .max_uV = 3300000, | |
900 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | |
901 | .valid_ops_mask = REGULATOR_CHANGE_STATUS | | |
902 | REGULATOR_CHANGE_VOLTAGE | | |
903 | REGULATOR_CHANGE_MODE, | |
904 | }, | |
905 | .consumer_supplies = &vcc_mmc_supply, | |
906 | .num_consumer_supplies = 1, | |
907 | }; | |
908 | ||
909 | struct max8660_subdev_data max8660_v6_subdev_data = { | |
910 | .id = MAX8660_V6, | |
911 | .name = "vmmc", | |
912 | .platform_data = &vcc_mmc_init_data, | |
913 | }; | |
914 | ||
915 | static struct max8660_platform_data max8660_pdata = { | |
916 | .subdevs = &max8660_v6_subdev_data, | |
917 | .num_subdevs = 1, | |
918 | }; | |
919 | ||
920 | /** | |
921 | * I2C devices | |
922 | */ | |
923 | ||
924 | static struct i2c_board_info raumfeld_pwri2c_board_info = { | |
925 | .type = "max8660", | |
926 | .addr = 0x34, | |
927 | .platform_data = &max8660_pdata, | |
928 | }; | |
929 | ||
930 | static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = { | |
931 | .type = "cs4270", | |
932 | .addr = 0x48, | |
933 | }; | |
934 | ||
935 | static struct eeti_ts_platform_data eeti_ts_pdata = { | |
936 | .irq_active_high = 1, | |
937 | }; | |
938 | ||
939 | static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = { | |
940 | .type = "eeti_ts", | |
941 | .addr = 0x0a, | |
942 | .irq = gpio_to_irq(GPIO_TOUCH_IRQ), | |
943 | .platform_data = &eeti_ts_pdata, | |
944 | }; | |
945 | ||
946 | static struct platform_device *raumfeld_common_devices[] = { | |
947 | &raumfeld_gpio_keys_device, | |
948 | &raumfeld_led_device, | |
949 | &raumfeld_spi_device, | |
950 | }; | |
951 | ||
952 | static void __init raumfeld_audio_init(void) | |
953 | { | |
954 | int ret; | |
955 | ||
956 | ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset"); | |
957 | if (ret < 0) | |
958 | pr_warning("unable to request GPIO_CODEC_RESET\n"); | |
959 | else | |
960 | gpio_direction_output(GPIO_CODEC_RESET, 1); | |
961 | ||
962 | ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset"); | |
963 | if (ret < 0) | |
964 | pr_warning("unable to request GPIO_SPDIF_RESET\n"); | |
965 | else | |
966 | gpio_direction_output(GPIO_SPDIF_RESET, 1); | |
967 | ||
968 | ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset"); | |
969 | if (ret < 0) | |
970 | pr_warning("unable to request GPIO_MCLK_RESET\n"); | |
971 | else | |
972 | gpio_direction_output(GPIO_MCLK_RESET, 1); | |
973 | ||
974 | platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices)); | |
975 | } | |
976 | ||
977 | static void __init raumfeld_common_init(void) | |
978 | { | |
979 | int ret; | |
980 | ||
981 | /* The on/off button polarity has changed after revision 1 */ | |
982 | if ((system_rev & 0xff) > 1) { | |
983 | int i; | |
984 | ||
985 | for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++) | |
299ed078 | 986 | if (!strcmp(gpio_keys_button[i].desc, "on_off button")) |
550ee52d DM |
987 | gpio_keys_button[i].active_low = 1; |
988 | } | |
989 | ||
990 | enable_irq_wake(IRQ_WAKEUP0); | |
991 | ||
992 | pxa3xx_set_nand_info(&raumfeld_nand_info); | |
993 | pxa3xx_set_i2c_power_info(NULL); | |
994 | pxa_set_ohci_info(&raumfeld_ohci_info); | |
995 | pxa_set_mci_info(&raumfeld_mci_platform_data); | |
996 | pxa_set_i2c_info(NULL); | |
997 | pxa_set_ffuart_info(NULL); | |
998 | ||
999 | ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset"); | |
1000 | if (ret < 0) | |
1001 | pr_warning("Unable to request GPIO_W2W_RESET\n"); | |
1002 | else | |
1003 | gpio_direction_output(GPIO_W2W_RESET, 0); | |
1004 | ||
1005 | ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup"); | |
1006 | if (ret < 0) | |
1007 | pr_warning("Unable to request GPIO_W2W_PDN\n"); | |
1008 | else | |
1009 | gpio_direction_output(GPIO_W2W_PDN, 0); | |
1010 | ||
1011 | /* this can be used to switch off the device */ | |
299ed078 | 1012 | ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown"); |
550ee52d DM |
1013 | if (ret < 0) |
1014 | pr_warning("Unable to request GPIO_SHUTDOWN_SUPPLY\n"); | |
1015 | else | |
1016 | gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0); | |
1017 | ||
1018 | platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices)); | |
1019 | i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1); | |
1020 | } | |
1021 | ||
1022 | static void __init raumfeld_controller_init(void) | |
1023 | { | |
1024 | int ret; | |
1025 | ||
1026 | pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config)); | |
1027 | platform_device_register(&rotary_encoder_device); | |
1028 | spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices)); | |
1029 | i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1); | |
1030 | ||
1031 | ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown"); | |
1032 | if (ret < 0) | |
1033 | pr_warning("Unable to request GPIO_SHUTDOWN_BATT\n"); | |
1034 | else | |
1035 | gpio_direction_output(GPIO_SHUTDOWN_BATT, 0); | |
1036 | ||
1037 | raumfeld_common_init(); | |
1038 | raumfeld_power_init(); | |
1039 | raumfeld_lcd_init(); | |
1040 | raumfeld_w1_init(); | |
1041 | } | |
1042 | ||
1043 | static void __init raumfeld_connector_init(void) | |
1044 | { | |
1045 | pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config)); | |
1046 | spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices)); | |
1047 | i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1); | |
1048 | ||
1049 | platform_device_register(&smc91x_device); | |
1050 | ||
1051 | raumfeld_audio_init(); | |
1052 | raumfeld_common_init(); | |
1053 | } | |
1054 | ||
1055 | static void __init raumfeld_speaker_init(void) | |
1056 | { | |
1057 | pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config)); | |
1058 | spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices)); | |
1059 | i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1); | |
1060 | ||
1061 | platform_device_register(&smc91x_device); | |
1062 | platform_device_register(&rotary_encoder_device); | |
1063 | ||
1064 | raumfeld_audio_init(); | |
1065 | raumfeld_common_init(); | |
1066 | } | |
1067 | ||
1068 | /* physical memory regions */ | |
1069 | #define RAUMFELD_SDRAM_BASE 0xa0000000 /* SDRAM region */ | |
1070 | ||
1071 | #ifdef CONFIG_MACH_RAUMFELD_RC | |
1072 | MACHINE_START(RAUMFELD_RC, "Raumfeld Controller") | |
1073 | .phys_io = 0x40000000, | |
1074 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | |
1075 | .boot_params = RAUMFELD_SDRAM_BASE + 0x100, | |
1076 | .init_machine = raumfeld_controller_init, | |
1077 | .map_io = pxa_map_io, | |
1078 | .init_irq = pxa3xx_init_irq, | |
1079 | .timer = &pxa_timer, | |
1080 | MACHINE_END | |
1081 | #endif | |
1082 | ||
1083 | #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR | |
1084 | MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector") | |
1085 | .phys_io = 0x40000000, | |
1086 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | |
1087 | .boot_params = RAUMFELD_SDRAM_BASE + 0x100, | |
1088 | .init_machine = raumfeld_connector_init, | |
1089 | .map_io = pxa_map_io, | |
1090 | .init_irq = pxa3xx_init_irq, | |
1091 | .timer = &pxa_timer, | |
1092 | MACHINE_END | |
1093 | #endif | |
1094 | ||
1095 | #ifdef CONFIG_MACH_RAUMFELD_SPEAKER | |
1096 | MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker") | |
1097 | .phys_io = 0x40000000, | |
1098 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | |
1099 | .boot_params = RAUMFELD_SDRAM_BASE + 0x100, | |
1100 | .init_machine = raumfeld_speaker_init, | |
1101 | .map_io = pxa_map_io, | |
1102 | .init_irq = pxa3xx_init_irq, | |
1103 | .timer = &pxa_timer, | |
1104 | MACHINE_END | |
1105 | #endif |