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blk: rq_data_dir() should not return a boolean
[cris-mirror.git] / arch / arm / mach-pxa / raumfeld.c
blob88f70c37ad0dddef1fa85e9dd804c3c2fda41459
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/platform_device.h>
22 #include <linux/interrupt.h>
23 #include <linux/gpio.h>
24 #include <linux/smsc911x.h>
25 #include <linux/input.h>
26 #include <linux/rotary_encoder.h>
27 #include <linux/gpio_keys.h>
28 #include <linux/input/eeti_ts.h>
29 #include <linux/leds.h>
30 #include <linux/w1-gpio.h>
31 #include <linux/sched.h>
32 #include <linux/pwm_backlight.h>
33 #include <linux/i2c.h>
34 #include <linux/i2c/pxa-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>
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/system_info.h>
47
48 #include <asm/mach-types.h>
49 #include <asm/mach/arch.h>
50
51 #include <mach/pxa300.h>
52 #include <linux/platform_data/usb-ohci-pxa27x.h>
53 #include <linux/platform_data/video-pxafb.h>
54 #include <linux/platform_data/mmc-pxamci.h>
55 #include <linux/platform_data/mtd-nand-pxa3xx.h>
56
57 #include "generic.h"
58 #include "devices.h"
59
60 /* common GPIO definitions */
61
62 /* inputs */
63 #define GPIO_ON_OFF (14)
64 #define GPIO_VOLENC_A (19)
65 #define GPIO_VOLENC_B (20)
66 #define GPIO_CHARGE_DONE (23)
67 #define GPIO_CHARGE_IND (27)
68 #define GPIO_TOUCH_IRQ (32)
69 #define GPIO_ETH_IRQ (40)
70 #define GPIO_SPI_MISO (98)
71 #define GPIO_ACCEL_IRQ (104)
72 #define GPIO_RESCUE_BOOT (115)
73 #define GPIO_DOCK_DETECT (116)
74 #define GPIO_KEY1 (117)
75 #define GPIO_KEY2 (118)
76 #define GPIO_KEY3 (119)
77 #define GPIO_CHARGE_USB_OK (112)
78 #define GPIO_CHARGE_DC_OK (101)
79 #define GPIO_CHARGE_USB_SUSP (102)
80
81 /* outputs */
82 #define GPIO_SHUTDOWN_SUPPLY (16)
83 #define GPIO_SHUTDOWN_BATT (18)
84 #define GPIO_CHRG_PEN2 (31)
85 #define GPIO_TFT_VA_EN (33)
86 #define GPIO_SPDIF_CS (34)
87 #define GPIO_LED2 (35)
88 #define GPIO_LED1 (36)
89 #define GPIO_SPDIF_RESET (38)
90 #define GPIO_SPI_CLK (95)
91 #define GPIO_MCLK_DAC_CS (96)
92 #define GPIO_SPI_MOSI (97)
93 #define GPIO_W1_PULLUP_ENABLE (105)
94 #define GPIO_DISPLAY_ENABLE (106)
95 #define GPIO_MCLK_RESET (111)
96 #define GPIO_W2W_RESET (113)
97 #define GPIO_W2W_PDN (114)
98 #define GPIO_CODEC_RESET (120)
99 #define GPIO_AUDIO_VA_ENABLE (124)
100 #define GPIO_ACCEL_CS (125)
101 #define GPIO_ONE_WIRE (126)
102
103 /*
104 * GPIO configurations
105 */
106 static mfp_cfg_t raumfeld_controller_pin_config[] __initdata = {
107 /* UART1 */
108 GPIO77_UART1_RXD,
109 GPIO78_UART1_TXD,
110 GPIO79_UART1_CTS,
111 GPIO81_UART1_DSR,
112 GPIO83_UART1_DTR,
113 GPIO84_UART1_RTS,
114
115 /* UART3 */
116 GPIO110_UART3_RXD,
117
118 /* USB Host */
119 GPIO0_2_USBH_PEN,
120 GPIO1_2_USBH_PWR,
121
122 /* I2C */
123 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
124 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
125
126 /* SPI */
127 GPIO34_GPIO, /* SPDIF_CS */
128 GPIO96_GPIO, /* MCLK_CS */
129 GPIO125_GPIO, /* ACCEL_CS */
130
131 /* MMC */
132 GPIO3_MMC1_DAT0,
133 GPIO4_MMC1_DAT1,
134 GPIO5_MMC1_DAT2,
135 GPIO6_MMC1_DAT3,
136 GPIO7_MMC1_CLK,
137 GPIO8_MMC1_CMD,
138
139 /* One-wire */
140 GPIO126_GPIO | MFP_LPM_FLOAT,
141 GPIO105_GPIO | MFP_PULL_LOW | MFP_LPM_PULL_LOW,
142
143 /* CHRG_USB_OK */
144 GPIO101_GPIO | MFP_PULL_HIGH,
145 /* CHRG_USB_OK */
146 GPIO112_GPIO | MFP_PULL_HIGH,
147 /* CHRG_USB_SUSP */
148 GPIO102_GPIO,
149 /* DISPLAY_ENABLE */
150 GPIO106_GPIO,
151 /* DOCK_DETECT */
152 GPIO116_GPIO | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
153
154 /* LCD */
155 GPIO54_LCD_LDD_0,
156 GPIO55_LCD_LDD_1,
157 GPIO56_LCD_LDD_2,
158 GPIO57_LCD_LDD_3,
159 GPIO58_LCD_LDD_4,
160 GPIO59_LCD_LDD_5,
161 GPIO60_LCD_LDD_6,
162 GPIO61_LCD_LDD_7,
163 GPIO62_LCD_LDD_8,
164 GPIO63_LCD_LDD_9,
165 GPIO64_LCD_LDD_10,
166 GPIO65_LCD_LDD_11,
167 GPIO66_LCD_LDD_12,
168 GPIO67_LCD_LDD_13,
169 GPIO68_LCD_LDD_14,
170 GPIO69_LCD_LDD_15,
171 GPIO70_LCD_LDD_16,
172 GPIO71_LCD_LDD_17,
173 GPIO72_LCD_FCLK,
174 GPIO73_LCD_LCLK,
175 GPIO74_LCD_PCLK,
176 GPIO75_LCD_BIAS,
177 };
178
179 static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = {
180 /* UART1 */
181 GPIO77_UART1_RXD,
182 GPIO78_UART1_TXD,
183 GPIO79_UART1_CTS,
184 GPIO81_UART1_DSR,
185 GPIO83_UART1_DTR,
186 GPIO84_UART1_RTS,
187
188 /* UART3 */
189 GPIO110_UART3_RXD,
190
191 /* USB Host */
192 GPIO0_2_USBH_PEN,
193 GPIO1_2_USBH_PWR,
194
195 /* I2C */
196 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
197 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
198
199 /* SPI */
200 GPIO34_GPIO, /* SPDIF_CS */
201 GPIO96_GPIO, /* MCLK_CS */
202 GPIO125_GPIO, /* ACCEL_CS */
203
204 /* MMC */
205 GPIO3_MMC1_DAT0,
206 GPIO4_MMC1_DAT1,
207 GPIO5_MMC1_DAT2,
208 GPIO6_MMC1_DAT3,
209 GPIO7_MMC1_CLK,
210 GPIO8_MMC1_CMD,
211
212 /* Ethernet */
213 GPIO1_nCS2, /* CS */
214 GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */
215
216 /* SSP for I2S */
217 GPIO85_SSP1_SCLK,
218 GPIO89_SSP1_EXTCLK,
219 GPIO86_SSP1_FRM,
220 GPIO87_SSP1_TXD,
221 GPIO88_SSP1_RXD,
222 GPIO90_SSP1_SYSCLK,
223
224 /* SSP2 for S/PDIF */
225 GPIO25_SSP2_SCLK,
226 GPIO26_SSP2_FRM,
227 GPIO27_SSP2_TXD,
228 GPIO29_SSP2_EXTCLK,
229
230 /* LEDs */
231 GPIO35_GPIO | MFP_LPM_PULL_LOW,
232 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
233 };
234
235 static mfp_cfg_t raumfeld_speaker_pin_config[] __initdata = {
236 /* UART1 */
237 GPIO77_UART1_RXD,
238 GPIO78_UART1_TXD,
239 GPIO79_UART1_CTS,
240 GPIO81_UART1_DSR,
241 GPIO83_UART1_DTR,
242 GPIO84_UART1_RTS,
243
244 /* UART3 */
245 GPIO110_UART3_RXD,
246
247 /* USB Host */
248 GPIO0_2_USBH_PEN,
249 GPIO1_2_USBH_PWR,
250
251 /* I2C */
252 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
253 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
254
255 /* SPI */
256 GPIO34_GPIO, /* SPDIF_CS */
257 GPIO96_GPIO, /* MCLK_CS */
258 GPIO125_GPIO, /* ACCEL_CS */
259
260 /* MMC */
261 GPIO3_MMC1_DAT0,
262 GPIO4_MMC1_DAT1,
263 GPIO5_MMC1_DAT2,
264 GPIO6_MMC1_DAT3,
265 GPIO7_MMC1_CLK,
266 GPIO8_MMC1_CMD,
267
268 /* Ethernet */
269 GPIO1_nCS2, /* CS */
270 GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */
271
272 /* SSP for I2S */
273 GPIO85_SSP1_SCLK,
274 GPIO89_SSP1_EXTCLK,
275 GPIO86_SSP1_FRM,
276 GPIO87_SSP1_TXD,
277 GPIO88_SSP1_RXD,
278 GPIO90_SSP1_SYSCLK,
279
280 /* LEDs */
281 GPIO35_GPIO | MFP_LPM_PULL_LOW,
282 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
283 };
284
285 /*
286 * SMSC LAN9220 Ethernet
287 */
288
289 static struct resource smc91x_resources[] = {
290 {
291 .start = PXA3xx_CS2_PHYS,
292 .end = PXA3xx_CS2_PHYS + 0xfffff,
293 .flags = IORESOURCE_MEM,
294 },
295 {
296 .start = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
297 .end = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
298 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
299 }
300 };
301
302 static struct smsc911x_platform_config raumfeld_smsc911x_config = {
303 .phy_interface = PHY_INTERFACE_MODE_MII,
304 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
305 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
306 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
307 };
308
309 static struct platform_device smc91x_device = {
310 .name = "smsc911x",
311 .id = -1,
312 .num_resources = ARRAY_SIZE(smc91x_resources),
313 .resource = smc91x_resources,
314 .dev = {
315 .platform_data = &raumfeld_smsc911x_config,
316 }
317 };
318
319 /**
320 * NAND
321 */
322
323 static struct mtd_partition raumfeld_nand_partitions[] = {
324 {
325 .name = "Bootloader",
326 .offset = 0,
327 .size = 0xa0000,
328 .mask_flags = MTD_WRITEABLE, /* force read-only */
329 },
330 {
331 .name = "BootloaderEnvironment",
332 .offset = 0xa0000,
333 .size = 0x20000,
334 },
335 {
336 .name = "BootloaderSplashScreen",
337 .offset = 0xc0000,
338 .size = 0x60000,
339 },
340 {
341 .name = "UBI",
342 .offset = 0x120000,
343 .size = MTDPART_SIZ_FULL,
344 },
345 };
346
347 static struct pxa3xx_nand_platform_data raumfeld_nand_info = {
348 .enable_arbiter = 1,
349 .keep_config = 1,
350 .num_cs = 1,
351 .parts[0] = raumfeld_nand_partitions,
352 .nr_parts[0] = ARRAY_SIZE(raumfeld_nand_partitions),
353 };
354
355 /**
356 * USB (OHCI) support
357 */
358
359 static struct pxaohci_platform_data raumfeld_ohci_info = {
360 .port_mode = PMM_GLOBAL_MODE,
361 .flags = ENABLE_PORT1,
362 };
363
364 /**
365 * Rotary encoder input device
366 */
367
368 static struct rotary_encoder_platform_data raumfeld_rotary_encoder_info = {
369 .steps = 24,
370 .axis = REL_X,
371 .relative_axis = 1,
372 .gpio_a = GPIO_VOLENC_A,
373 .gpio_b = GPIO_VOLENC_B,
374 .inverted_a = 1,
375 .inverted_b = 0,
376 };
377
378 static struct platform_device rotary_encoder_device = {
379 .name = "rotary-encoder",
380 .id = 0,
381 .dev = {
382 .platform_data = &raumfeld_rotary_encoder_info,
383 }
384 };
385
386 /**
387 * GPIO buttons
388 */
389
390 static struct gpio_keys_button gpio_keys_button[] = {
391 {
392 .code = KEY_F1,
393 .type = EV_KEY,
394 .gpio = GPIO_KEY1,
395 .active_low = 1,
396 .wakeup = 0,
397 .debounce_interval = 5, /* ms */
398 .desc = "Button 1",
399 },
400 {
401 .code = KEY_F2,
402 .type = EV_KEY,
403 .gpio = GPIO_KEY2,
404 .active_low = 1,
405 .wakeup = 0,
406 .debounce_interval = 5, /* ms */
407 .desc = "Button 2",
408 },
409 {
410 .code = KEY_F3,
411 .type = EV_KEY,
412 .gpio = GPIO_KEY3,
413 .active_low = 1,
414 .wakeup = 0,
415 .debounce_interval = 5, /* ms */
416 .desc = "Button 3",
417 },
418 {
419 .code = KEY_F4,
420 .type = EV_KEY,
421 .gpio = GPIO_RESCUE_BOOT,
422 .active_low = 0,
423 .wakeup = 0,
424 .debounce_interval = 5, /* ms */
425 .desc = "rescue boot button",
426 },
427 {
428 .code = KEY_F5,
429 .type = EV_KEY,
430 .gpio = GPIO_DOCK_DETECT,
431 .active_low = 1,
432 .wakeup = 0,
433 .debounce_interval = 5, /* ms */
434 .desc = "dock detect",
435 },
436 {
437 .code = KEY_F6,
438 .type = EV_KEY,
439 .gpio = GPIO_ON_OFF,
440 .active_low = 0,
441 .wakeup = 0,
442 .debounce_interval = 5, /* ms */
443 .desc = "on_off button",
444 },
445 };
446
447 static struct gpio_keys_platform_data gpio_keys_platform_data = {
448 .buttons = gpio_keys_button,
449 .nbuttons = ARRAY_SIZE(gpio_keys_button),
450 .rep = 0,
451 };
452
453 static struct platform_device raumfeld_gpio_keys_device = {
454 .name = "gpio-keys",
455 .id = -1,
456 .dev = {
457 .platform_data = &gpio_keys_platform_data,
458 }
459 };
460
461 /**
462 * GPIO LEDs
463 */
464
465 static struct gpio_led raumfeld_leds[] = {
466 {
467 .name = "raumfeld:1",
468 .gpio = GPIO_LED1,
469 .active_low = 1,
470 .default_state = LEDS_GPIO_DEFSTATE_ON,
471 },
472 {
473 .name = "raumfeld:2",
474 .gpio = GPIO_LED2,
475 .active_low = 0,
476 .default_state = LEDS_GPIO_DEFSTATE_OFF,
477 }
478 };
479
480 static struct gpio_led_platform_data raumfeld_led_platform_data = {
481 .leds = raumfeld_leds,
482 .num_leds = ARRAY_SIZE(raumfeld_leds),
483 };
484
485 static struct platform_device raumfeld_led_device = {
486 .name = "leds-gpio",
487 .id = -1,
488 .dev = {
489 .platform_data = &raumfeld_led_platform_data,
490 },
491 };
492
493 /**
494 * One-wire (W1 bus) support
495 */
496
497 static void w1_enable_external_pullup(int enable)
498 {
499 gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
500 msleep(100);
501 }
502
503 static struct w1_gpio_platform_data w1_gpio_platform_data = {
504 .pin = GPIO_ONE_WIRE,
505 .is_open_drain = 0,
506 .enable_external_pullup = w1_enable_external_pullup,
507 .ext_pullup_enable_pin = -EINVAL,
508 };
509
510 struct platform_device raumfeld_w1_gpio_device = {
511 .name = "w1-gpio",
512 .dev = {
513 .platform_data = &w1_gpio_platform_data
514 }
515 };
516
517 static void __init raumfeld_w1_init(void)
518 {
519 int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
520 "W1 external pullup enable");
521
522 if (ret < 0)
523 pr_warn("Unable to request GPIO_W1_PULLUP_ENABLE\n");
524 else
525 gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
526
527 platform_device_register(&raumfeld_w1_gpio_device);
528 }
529
530 /**
531 * Framebuffer device
532 */
533
534 /* PWM controlled backlight */
535 static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
536 .pwm_id = 0,
537 .max_brightness = 100,
538 .dft_brightness = 100,
539 /* 10000 ns = 10 ms ^= 100 kHz */
540 .pwm_period_ns = 10000,
541 .enable_gpio = -1,
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 = 41,
578 .left_margin = 2,
579 .right_margin = 1,
580 .vsync_len = 10,
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 #ifdef CONFIG_PXA3XX_GCU
592 .acceleration_enabled = 1,
593 #endif
594 };
595
596 static void __init raumfeld_lcd_init(void)
597 {
598 int ret;
599
600 ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
601 if (ret < 0)
602 pr_warn("Unable to request GPIO_TFT_VA_EN\n");
603 else
604 gpio_direction_output(GPIO_TFT_VA_EN, 1);
605
606 msleep(100);
607
608 ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
609 if (ret < 0)
610 pr_warn("Unable to request GPIO_DISPLAY_ENABLE\n");
611 else
612 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
613
614 /* Hardware revision 2 has the backlight regulator controlled
615 * by an LT3593, earlier and later devices use PWM for that. */
616 if ((system_rev & 0xff) == 2) {
617 platform_device_register(&raumfeld_lt3593_device);
618 } else {
619 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
620 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
621 platform_device_register(&raumfeld_pwm_backlight_device);
622 }
623
624 pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
625 platform_device_register(&pxa3xx_device_gcu);
626 }
627
628 /**
629 * SPI devices
630 */
631
632 struct spi_gpio_platform_data raumfeld_spi_platform_data = {
633 .sck = GPIO_SPI_CLK,
634 .mosi = GPIO_SPI_MOSI,
635 .miso = GPIO_SPI_MISO,
636 .num_chipselect = 3,
637 };
638
639 static struct platform_device raumfeld_spi_device = {
640 .name = "spi_gpio",
641 .id = 0,
642 .dev = {
643 .platform_data = &raumfeld_spi_platform_data,
644 }
645 };
646
647 static struct lis3lv02d_platform_data lis3_pdata = {
648 .click_flags = LIS3_CLICK_SINGLE_X |
649 LIS3_CLICK_SINGLE_Y |
650 LIS3_CLICK_SINGLE_Z,
651 .irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
652 .wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
653 LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
654 LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
655 .wakeup_thresh = 10,
656 .click_thresh_x = 10,
657 .click_thresh_y = 10,
658 .click_thresh_z = 10,
659 };
660
661 #define SPI_AK4104 \
662 { \
663 .modalias = "ak4104-codec", \
664 .max_speed_hz = 10000, \
665 .bus_num = 0, \
666 .chip_select = 0, \
667 .controller_data = (void *) GPIO_SPDIF_CS, \
668 }
669
670 #define SPI_LIS3 \
671 { \
672 .modalias = "lis3lv02d_spi", \
673 .max_speed_hz = 1000000, \
674 .bus_num = 0, \
675 .chip_select = 1, \
676 .controller_data = (void *) GPIO_ACCEL_CS, \
677 .platform_data = &lis3_pdata, \
678 .irq = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ), \
679 }
680
681 #define SPI_DAC7512 \
682 { \
683 .modalias = "dac7512", \
684 .max_speed_hz = 1000000, \
685 .bus_num = 0, \
686 .chip_select = 2, \
687 .controller_data = (void *) GPIO_MCLK_DAC_CS, \
688 }
689
690 static struct spi_board_info connector_spi_devices[] __initdata = {
691 SPI_AK4104,
692 SPI_DAC7512,
693 };
694
695 static struct spi_board_info speaker_spi_devices[] __initdata = {
696 SPI_DAC7512,
697 };
698
699 static struct spi_board_info controller_spi_devices[] __initdata = {
700 SPI_LIS3,
701 };
702
703 /**
704 * MMC for Marvell Libertas 8688 via SDIO
705 */
706
707 static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
708 {
709 gpio_set_value(GPIO_W2W_RESET, 1);
710 gpio_set_value(GPIO_W2W_PDN, 1);
711
712 return 0;
713 }
714
715 static void raumfeld_mci_exit(struct device *dev, void *data)
716 {
717 gpio_set_value(GPIO_W2W_RESET, 0);
718 gpio_set_value(GPIO_W2W_PDN, 0);
719 }
720
721 static struct pxamci_platform_data raumfeld_mci_platform_data = {
722 .init = raumfeld_mci_init,
723 .exit = raumfeld_mci_exit,
724 .detect_delay_ms = 200,
725 .gpio_card_detect = -1,
726 .gpio_card_ro = -1,
727 .gpio_power = -1,
728 };
729
730 /*
731 * External power / charge logic
732 */
733
734 static int power_supply_init(struct device *dev)
735 {
736 return 0;
737 }
738
739 static void power_supply_exit(struct device *dev)
740 {
741 }
742
743 static int raumfeld_is_ac_online(void)
744 {
745 return !gpio_get_value(GPIO_CHARGE_DC_OK);
746 }
747
748 static int raumfeld_is_usb_online(void)
749 {
750 return 0;
751 }
752
753 static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
754
755 static void raumfeld_power_signal_charged(void)
756 {
757 struct power_supply *psy =
758 power_supply_get_by_name(raumfeld_power_supplicants[0]);
759
760 if (psy) {
761 power_supply_set_battery_charged(psy);
762 power_supply_put(psy);
763 }
764 }
765
766 static int raumfeld_power_resume(void)
767 {
768 /* check if GPIO_CHARGE_DONE went low while we were sleeping */
769 if (!gpio_get_value(GPIO_CHARGE_DONE))
770 raumfeld_power_signal_charged();
771
772 return 0;
773 }
774
775 static struct pda_power_pdata power_supply_info = {
776 .init = power_supply_init,
777 .is_ac_online = raumfeld_is_ac_online,
778 .is_usb_online = raumfeld_is_usb_online,
779 .exit = power_supply_exit,
780 .supplied_to = raumfeld_power_supplicants,
781 .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants),
782 .resume = raumfeld_power_resume,
783 };
784
785 static struct resource power_supply_resources[] = {
786 {
787 .name = "ac",
788 .flags = IORESOURCE_IRQ |
789 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
790 .start = GPIO_CHARGE_DC_OK,
791 .end = GPIO_CHARGE_DC_OK,
792 },
793 };
794
795 static irqreturn_t charge_done_irq(int irq, void *dev_id)
796 {
797 raumfeld_power_signal_charged();
798 return IRQ_HANDLED;
799 }
800
801 static struct platform_device raumfeld_power_supply = {
802 .name = "pda-power",
803 .id = -1,
804 .dev = {
805 .platform_data = &power_supply_info,
806 },
807 .resource = power_supply_resources,
808 .num_resources = ARRAY_SIZE(power_supply_resources),
809 };
810
811 static void __init raumfeld_power_init(void)
812 {
813 int ret;
814
815 /* Set PEN2 high to enable maximum charge current */
816 ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
817 if (ret < 0)
818 pr_warn("Unable to request GPIO_CHRG_PEN2\n");
819 else
820 gpio_direction_output(GPIO_CHRG_PEN2, 1);
821
822 ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
823 if (ret < 0)
824 pr_warn("Unable to request GPIO_CHARGE_DC_OK\n");
825
826 ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
827 if (ret < 0)
828 pr_warn("Unable to request GPIO_CHARGE_USB_SUSP\n");
829 else
830 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
831
832 power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
833 power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
834
835 ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
836 &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
837 "charge_done", NULL);
838
839 if (ret < 0)
840 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
841 GPIO_CHARGE_DONE);
842 else
843 platform_device_register(&raumfeld_power_supply);
844 }
845
846 /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
847
848 static struct regulator_consumer_supply audio_va_consumer_supply =
849 REGULATOR_SUPPLY("va", "0-0048");
850
851 struct regulator_init_data audio_va_initdata = {
852 .consumer_supplies = &audio_va_consumer_supply,
853 .num_consumer_supplies = 1,
854 .constraints = {
855 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
856 },
857 };
858
859 static struct fixed_voltage_config audio_va_config = {
860 .supply_name = "audio_va",
861 .microvolts = 5000000,
862 .gpio = GPIO_AUDIO_VA_ENABLE,
863 .enable_high = 1,
864 .enabled_at_boot = 0,
865 .init_data = &audio_va_initdata,
866 };
867
868 static struct platform_device audio_va_device = {
869 .name = "reg-fixed-voltage",
870 .id = 0,
871 .dev = {
872 .platform_data = &audio_va_config,
873 },
874 };
875
876 /* Dummy supplies for Codec's VD/VLC */
877
878 static struct regulator_consumer_supply audio_dummy_supplies[] = {
879 REGULATOR_SUPPLY("vd", "0-0048"),
880 REGULATOR_SUPPLY("vlc", "0-0048"),
881 };
882
883 struct regulator_init_data audio_dummy_initdata = {
884 .consumer_supplies = audio_dummy_supplies,
885 .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
886 .constraints = {
887 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
888 },
889 };
890
891 static struct fixed_voltage_config audio_dummy_config = {
892 .supply_name = "audio_vd",
893 .microvolts = 3300000,
894 .gpio = -1,
895 .init_data = &audio_dummy_initdata,
896 };
897
898 static struct platform_device audio_supply_dummy_device = {
899 .name = "reg-fixed-voltage",
900 .id = 1,
901 .dev = {
902 .platform_data = &audio_dummy_config,
903 },
904 };
905
906 static struct platform_device *audio_regulator_devices[] = {
907 &audio_va_device,
908 &audio_supply_dummy_device,
909 };
910
911 /**
912 * Regulator support via MAX8660
913 */
914
915 static struct regulator_consumer_supply vcc_mmc_supply =
916 REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
917
918 static struct regulator_init_data vcc_mmc_init_data = {
919 .constraints = {
920 .min_uV = 3300000,
921 .max_uV = 3300000,
922 .valid_modes_mask = REGULATOR_MODE_NORMAL,
923 .valid_ops_mask = REGULATOR_CHANGE_STATUS |
924 REGULATOR_CHANGE_VOLTAGE |
925 REGULATOR_CHANGE_MODE,
926 },
927 .consumer_supplies = &vcc_mmc_supply,
928 .num_consumer_supplies = 1,
929 };
930
931 struct max8660_subdev_data max8660_v6_subdev_data = {
932 .id = MAX8660_V6,
933 .name = "vmmc",
934 .platform_data = &vcc_mmc_init_data,
935 };
936
937 static struct max8660_platform_data max8660_pdata = {
938 .subdevs = &max8660_v6_subdev_data,
939 .num_subdevs = 1,
940 };
941
942 /**
943 * I2C devices
944 */
945
946 static struct i2c_board_info raumfeld_pwri2c_board_info = {
947 .type = "max8660",
948 .addr = 0x34,
949 .platform_data = &max8660_pdata,
950 };
951
952 static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
953 .type = "cs4270",
954 .addr = 0x48,
955 };
956
957 static struct eeti_ts_platform_data eeti_ts_pdata = {
958 .irq_active_high = 1,
959 .irq_gpio = GPIO_TOUCH_IRQ,
960 };
961
962 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
963 .type = "eeti_ts",
964 .addr = 0x0a,
965 .platform_data = &eeti_ts_pdata,
966 };
967
968 static struct platform_device *raumfeld_common_devices[] = {
969 &raumfeld_gpio_keys_device,
970 &raumfeld_led_device,
971 &raumfeld_spi_device,
972 };
973
974 static void __init raumfeld_audio_init(void)
975 {
976 int ret;
977
978 ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
979 if (ret < 0)
980 pr_warn("unable to request GPIO_CODEC_RESET\n");
981 else
982 gpio_direction_output(GPIO_CODEC_RESET, 1);
983
984 ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
985 if (ret < 0)
986 pr_warn("unable to request GPIO_SPDIF_RESET\n");
987 else
988 gpio_direction_output(GPIO_SPDIF_RESET, 1);
989
990 ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
991 if (ret < 0)
992 pr_warn("unable to request GPIO_MCLK_RESET\n");
993 else
994 gpio_direction_output(GPIO_MCLK_RESET, 1);
995
996 platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
997 }
998
999 static void __init raumfeld_common_init(void)
1000 {
1001 int ret;
1002
1003 /* The on/off button polarity has changed after revision 1 */
1004 if ((system_rev & 0xff) > 1) {
1005 int i;
1006
1007 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1008 if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1009 gpio_keys_button[i].active_low = 1;
1010 }
1011
1012 enable_irq_wake(IRQ_WAKEUP0);
1013
1014 pxa3xx_set_nand_info(&raumfeld_nand_info);
1015 pxa3xx_set_i2c_power_info(NULL);
1016 pxa_set_ohci_info(&raumfeld_ohci_info);
1017 pxa_set_mci_info(&raumfeld_mci_platform_data);
1018 pxa_set_i2c_info(NULL);
1019 pxa_set_ffuart_info(NULL);
1020
1021 ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1022 if (ret < 0)
1023 pr_warn("Unable to request GPIO_W2W_RESET\n");
1024 else
1025 gpio_direction_output(GPIO_W2W_RESET, 0);
1026
1027 ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1028 if (ret < 0)
1029 pr_warn("Unable to request GPIO_W2W_PDN\n");
1030 else
1031 gpio_direction_output(GPIO_W2W_PDN, 0);
1032
1033 /* this can be used to switch off the device */
1034 ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1035 if (ret < 0)
1036 pr_warn("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1037 else
1038 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1039
1040 platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1041 i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1042 }
1043
1044 static void __init raumfeld_controller_init(void)
1045 {
1046 int ret;
1047
1048 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1049 platform_device_register(&rotary_encoder_device);
1050 spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1051 i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1052
1053 ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1054 if (ret < 0)
1055 pr_warn("Unable to request GPIO_SHUTDOWN_BATT\n");
1056 else
1057 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1058
1059 raumfeld_common_init();
1060 raumfeld_power_init();
1061 raumfeld_lcd_init();
1062 raumfeld_w1_init();
1063 }
1064
1065 static void __init raumfeld_connector_init(void)
1066 {
1067 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1068 spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1069 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1070
1071 platform_device_register(&smc91x_device);
1072
1073 raumfeld_audio_init();
1074 raumfeld_common_init();
1075 }
1076
1077 static void __init raumfeld_speaker_init(void)
1078 {
1079 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1080 spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1081 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1082
1083 platform_device_register(&smc91x_device);
1084 platform_device_register(&rotary_encoder_device);
1085
1086 raumfeld_audio_init();
1087 raumfeld_common_init();
1088 }
1089
1090 /* physical memory regions */
1091 #define RAUMFELD_SDRAM_BASE 0xa0000000 /* SDRAM region */
1092
1093 #ifdef CONFIG_MACH_RAUMFELD_RC
1094 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1095 .atag_offset = 0x100,
1096 .init_machine = raumfeld_controller_init,
1097 .map_io = pxa3xx_map_io,
1098 .nr_irqs = PXA_NR_IRQS,
1099 .init_irq = pxa3xx_init_irq,
1100 .handle_irq = pxa3xx_handle_irq,
1101 .init_time = pxa_timer_init,
1102 .restart = pxa_restart,
1103 MACHINE_END
1104 #endif
1105
1106 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1107 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1108 .atag_offset = 0x100,
1109 .init_machine = raumfeld_connector_init,
1110 .map_io = pxa3xx_map_io,
1111 .nr_irqs = PXA_NR_IRQS,
1112 .init_irq = pxa3xx_init_irq,
1113 .handle_irq = pxa3xx_handle_irq,
1114 .init_time = pxa_timer_init,
1115 .restart = pxa_restart,
1116 MACHINE_END
1117 #endif
1118
1119 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1120 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1121 .atag_offset = 0x100,
1122 .init_machine = raumfeld_speaker_init,
1123 .map_io = pxa3xx_map_io,
1124 .nr_irqs = PXA_NR_IRQS,
1125 .init_irq = pxa3xx_init_irq,
1126 .handle_irq = pxa3xx_handle_irq,
1127 .init_time = pxa_timer_init,
1128 .restart = pxa_restart,
1129 MACHINE_END
1130 #endif
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