?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
regulator, mc13xxx: Remove pointless test for unsigned less than zero
[zen-stable.git] / arch / arm / mach-pxa / raumfeld.c
blob8361151be054174d85c64e96ba7403671d450767
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>
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,
232
233 /* LEDs */
234 GPIO35_GPIO | MFP_LPM_PULL_LOW,
235 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
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,
282
283 /* LEDs */
284 GPIO35_GPIO | MFP_LPM_PULL_LOW,
285 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
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 */
445 .desc = "on_off button",
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 #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 set_pxa_fb_info(&raumfeld_sharp_lcd_info);
601
602 /* Earlier devices had the backlight regulator controlled
603 * via PWM, later versions use another controller for that */
604 if ((system_rev & 0xff) < 2) {
605 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
606 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
607 platform_device_register(&raumfeld_pwm_backlight_device);
608 } else
609 platform_device_register(&raumfeld_lt3593_device);
610
611 ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
612 if (ret < 0)
613 pr_warning("Unable to request GPIO_TFT_VA_EN\n");
614 else
615 gpio_direction_output(GPIO_TFT_VA_EN, 1);
616
617 ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
618 if (ret < 0)
619 pr_warning("Unable to request GPIO_DISPLAY_ENABLE\n");
620 else
621 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
622
623 platform_device_register(&pxa3xx_device_gcu);
624 }
625
626 /**
627 * SPI devices
628 */
629
630 struct spi_gpio_platform_data raumfeld_spi_platform_data = {
631 .sck = GPIO_SPI_CLK,
632 .mosi = GPIO_SPI_MOSI,
633 .miso = GPIO_SPI_MISO,
634 .num_chipselect = 3,
635 };
636
637 static struct platform_device raumfeld_spi_device = {
638 .name = "spi_gpio",
639 .id = 0,
640 .dev = {
641 .platform_data = &raumfeld_spi_platform_data,
642 }
643 };
644
645 static struct lis3lv02d_platform_data lis3_pdata = {
646 .click_flags = LIS3_CLICK_SINGLE_X |
647 LIS3_CLICK_SINGLE_Y |
648 LIS3_CLICK_SINGLE_Z,
649 .irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
650 .wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
651 LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
652 LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
653 .wakeup_thresh = 10,
654 .click_thresh_x = 10,
655 .click_thresh_y = 10,
656 .click_thresh_z = 10,
657 };
658
659 #define SPI_AK4104 \
660 { \
661 .modalias = "ak4104", \
662 .max_speed_hz = 10000, \
663 .bus_num = 0, \
664 .chip_select = 0, \
665 .controller_data = (void *) GPIO_SPDIF_CS, \
666 }
667
668 #define SPI_LIS3 \
669 { \
670 .modalias = "lis3lv02d_spi", \
671 .max_speed_hz = 1000000, \
672 .bus_num = 0, \
673 .chip_select = 1, \
674 .controller_data = (void *) GPIO_ACCEL_CS, \
675 .platform_data = &lis3_pdata, \
676 .irq = gpio_to_irq(GPIO_ACCEL_IRQ), \
677 }
678
679 #define SPI_DAC7512 \
680 { \
681 .modalias = "dac7512", \
682 .max_speed_hz = 1000000, \
683 .bus_num = 0, \
684 .chip_select = 2, \
685 .controller_data = (void *) GPIO_MCLK_DAC_CS, \
686 }
687
688 static struct spi_board_info connector_spi_devices[] __initdata = {
689 SPI_AK4104,
690 SPI_DAC7512,
691 };
692
693 static struct spi_board_info speaker_spi_devices[] __initdata = {
694 SPI_DAC7512,
695 };
696
697 static struct spi_board_info controller_spi_devices[] __initdata = {
698 SPI_LIS3,
699 };
700
701 /**
702 * MMC for Marvell Libertas 8688 via SDIO
703 */
704
705 static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
706 {
707 gpio_set_value(GPIO_W2W_RESET, 1);
708 gpio_set_value(GPIO_W2W_PDN, 1);
709
710 return 0;
711 }
712
713 static void raumfeld_mci_exit(struct device *dev, void *data)
714 {
715 gpio_set_value(GPIO_W2W_RESET, 0);
716 gpio_set_value(GPIO_W2W_PDN, 0);
717 }
718
719 static struct pxamci_platform_data raumfeld_mci_platform_data = {
720 .init = raumfeld_mci_init,
721 .exit = raumfeld_mci_exit,
722 .detect_delay_ms = 200,
723 .gpio_card_detect = -1,
724 .gpio_card_ro = -1,
725 .gpio_power = -1,
726 };
727
728 /*
729 * External power / charge logic
730 */
731
732 static int power_supply_init(struct device *dev)
733 {
734 return 0;
735 }
736
737 static void power_supply_exit(struct device *dev)
738 {
739 }
740
741 static int raumfeld_is_ac_online(void)
742 {
743 return !gpio_get_value(GPIO_CHARGE_DC_OK);
744 }
745
746 static int raumfeld_is_usb_online(void)
747 {
748 return 0;
749 }
750
751 static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
752
753 static void raumfeld_power_signal_charged(void)
754 {
755 struct power_supply *psy =
756 power_supply_get_by_name(raumfeld_power_supplicants[0]);
757
758 if (psy)
759 power_supply_set_battery_charged(psy);
760 }
761
762 static int raumfeld_power_resume(void)
763 {
764 /* check if GPIO_CHARGE_DONE went low while we were sleeping */
765 if (!gpio_get_value(GPIO_CHARGE_DONE))
766 raumfeld_power_signal_charged();
767
768 return 0;
769 }
770
771 static struct pda_power_pdata power_supply_info = {
772 .init = power_supply_init,
773 .is_ac_online = raumfeld_is_ac_online,
774 .is_usb_online = raumfeld_is_usb_online,
775 .exit = power_supply_exit,
776 .supplied_to = raumfeld_power_supplicants,
777 .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants),
778 .resume = raumfeld_power_resume,
779 };
780
781 static struct resource power_supply_resources[] = {
782 {
783 .name = "ac",
784 .flags = IORESOURCE_IRQ |
785 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
786 .start = GPIO_CHARGE_DC_OK,
787 .end = GPIO_CHARGE_DC_OK,
788 },
789 };
790
791 static irqreturn_t charge_done_irq(int irq, void *dev_id)
792 {
793 raumfeld_power_signal_charged();
794 return IRQ_HANDLED;
795 }
796
797 static struct platform_device raumfeld_power_supply = {
798 .name = "pda-power",
799 .id = -1,
800 .dev = {
801 .platform_data = &power_supply_info,
802 },
803 .resource = power_supply_resources,
804 .num_resources = ARRAY_SIZE(power_supply_resources),
805 };
806
807 static void __init raumfeld_power_init(void)
808 {
809 int ret;
810
811 /* Set PEN2 high to enable maximum charge current */
812 ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
813 if (ret < 0)
814 pr_warning("Unable to request GPIO_CHRG_PEN2\n");
815 else
816 gpio_direction_output(GPIO_CHRG_PEN2, 1);
817
818 ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
819 if (ret < 0)
820 pr_warning("Unable to request GPIO_CHARGE_DC_OK\n");
821
822 ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
823 if (ret < 0)
824 pr_warning("Unable to request GPIO_CHARGE_USB_SUSP\n");
825 else
826 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
827
828 power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
829 power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
830
831 ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
832 &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
833 "charge_done", NULL);
834
835 if (ret < 0)
836 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
837 GPIO_CHARGE_DONE);
838 else
839 platform_device_register(&raumfeld_power_supply);
840 }
841
842 /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
843
844 static struct regulator_consumer_supply audio_va_consumer_supply =
845 REGULATOR_SUPPLY("va", "0-0048");
846
847 struct regulator_init_data audio_va_initdata = {
848 .consumer_supplies = &audio_va_consumer_supply,
849 .num_consumer_supplies = 1,
850 .constraints = {
851 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
852 },
853 };
854
855 static struct fixed_voltage_config audio_va_config = {
856 .supply_name = "audio_va",
857 .microvolts = 5000000,
858 .gpio = GPIO_AUDIO_VA_ENABLE,
859 .enable_high = 1,
860 .enabled_at_boot = 0,
861 .init_data = &audio_va_initdata,
862 };
863
864 static struct platform_device audio_va_device = {
865 .name = "reg-fixed-voltage",
866 .id = 0,
867 .dev = {
868 .platform_data = &audio_va_config,
869 },
870 };
871
872 /* Dummy supplies for Codec's VD/VLC */
873
874 static struct regulator_consumer_supply audio_dummy_supplies[] = {
875 REGULATOR_SUPPLY("vd", "0-0048"),
876 REGULATOR_SUPPLY("vlc", "0-0048"),
877 };
878
879 struct regulator_init_data audio_dummy_initdata = {
880 .consumer_supplies = audio_dummy_supplies,
881 .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
882 .constraints = {
883 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
884 },
885 };
886
887 static struct fixed_voltage_config audio_dummy_config = {
888 .supply_name = "audio_vd",
889 .microvolts = 3300000,
890 .gpio = -1,
891 .init_data = &audio_dummy_initdata,
892 };
893
894 static struct platform_device audio_supply_dummy_device = {
895 .name = "reg-fixed-voltage",
896 .id = 1,
897 .dev = {
898 .platform_data = &audio_dummy_config,
899 },
900 };
901
902 static struct platform_device *audio_regulator_devices[] = {
903 &audio_va_device,
904 &audio_supply_dummy_device,
905 };
906
907 /**
908 * Regulator support via MAX8660
909 */
910
911 static struct regulator_consumer_supply vcc_mmc_supply =
912 REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
913
914 static struct regulator_init_data vcc_mmc_init_data = {
915 .constraints = {
916 .min_uV = 3300000,
917 .max_uV = 3300000,
918 .valid_modes_mask = REGULATOR_MODE_NORMAL,
919 .valid_ops_mask = REGULATOR_CHANGE_STATUS |
920 REGULATOR_CHANGE_VOLTAGE |
921 REGULATOR_CHANGE_MODE,
922 },
923 .consumer_supplies = &vcc_mmc_supply,
924 .num_consumer_supplies = 1,
925 };
926
927 struct max8660_subdev_data max8660_v6_subdev_data = {
928 .id = MAX8660_V6,
929 .name = "vmmc",
930 .platform_data = &vcc_mmc_init_data,
931 };
932
933 static struct max8660_platform_data max8660_pdata = {
934 .subdevs = &max8660_v6_subdev_data,
935 .num_subdevs = 1,
936 };
937
938 /**
939 * I2C devices
940 */
941
942 static struct i2c_board_info raumfeld_pwri2c_board_info = {
943 .type = "max8660",
944 .addr = 0x34,
945 .platform_data = &max8660_pdata,
946 };
947
948 static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
949 .type = "cs4270",
950 .addr = 0x48,
951 };
952
953 static struct eeti_ts_platform_data eeti_ts_pdata = {
954 .irq_active_high = 1,
955 };
956
957 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
958 .type = "eeti_ts",
959 .addr = 0x0a,
960 .irq = gpio_to_irq(GPIO_TOUCH_IRQ),
961 .platform_data = &eeti_ts_pdata,
962 };
963
964 static struct platform_device *raumfeld_common_devices[] = {
965 &raumfeld_gpio_keys_device,
966 &raumfeld_led_device,
967 &raumfeld_spi_device,
968 };
969
970 static void __init raumfeld_audio_init(void)
971 {
972 int ret;
973
974 ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
975 if (ret < 0)
976 pr_warning("unable to request GPIO_CODEC_RESET\n");
977 else
978 gpio_direction_output(GPIO_CODEC_RESET, 1);
979
980 ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
981 if (ret < 0)
982 pr_warning("unable to request GPIO_SPDIF_RESET\n");
983 else
984 gpio_direction_output(GPIO_SPDIF_RESET, 1);
985
986 ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
987 if (ret < 0)
988 pr_warning("unable to request GPIO_MCLK_RESET\n");
989 else
990 gpio_direction_output(GPIO_MCLK_RESET, 1);
991
992 platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
993 }
994
995 static void __init raumfeld_common_init(void)
996 {
997 int ret;
998
999 /* The on/off button polarity has changed after revision 1 */
1000 if ((system_rev & 0xff) > 1) {
1001 int i;
1002
1003 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1004 if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1005 gpio_keys_button[i].active_low = 1;
1006 }
1007
1008 enable_irq_wake(IRQ_WAKEUP0);
1009
1010 pxa3xx_set_nand_info(&raumfeld_nand_info);
1011 pxa3xx_set_i2c_power_info(NULL);
1012 pxa_set_ohci_info(&raumfeld_ohci_info);
1013 pxa_set_mci_info(&raumfeld_mci_platform_data);
1014 pxa_set_i2c_info(NULL);
1015 pxa_set_ffuart_info(NULL);
1016
1017 ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1018 if (ret < 0)
1019 pr_warning("Unable to request GPIO_W2W_RESET\n");
1020 else
1021 gpio_direction_output(GPIO_W2W_RESET, 0);
1022
1023 ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1024 if (ret < 0)
1025 pr_warning("Unable to request GPIO_W2W_PDN\n");
1026 else
1027 gpio_direction_output(GPIO_W2W_PDN, 0);
1028
1029 /* this can be used to switch off the device */
1030 ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1031 if (ret < 0)
1032 pr_warning("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1033 else
1034 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1035
1036 platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1037 i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1038 }
1039
1040 static void __init raumfeld_controller_init(void)
1041 {
1042 int ret;
1043
1044 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1045 platform_device_register(&rotary_encoder_device);
1046 spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1047 i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1048
1049 ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1050 if (ret < 0)
1051 pr_warning("Unable to request GPIO_SHUTDOWN_BATT\n");
1052 else
1053 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1054
1055 raumfeld_common_init();
1056 raumfeld_power_init();
1057 raumfeld_lcd_init();
1058 raumfeld_w1_init();
1059 }
1060
1061 static void __init raumfeld_connector_init(void)
1062 {
1063 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1064 spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1065 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1066
1067 platform_device_register(&smc91x_device);
1068
1069 raumfeld_audio_init();
1070 raumfeld_common_init();
1071 }
1072
1073 static void __init raumfeld_speaker_init(void)
1074 {
1075 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1076 spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1077 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1078
1079 platform_device_register(&smc91x_device);
1080 platform_device_register(&rotary_encoder_device);
1081
1082 raumfeld_audio_init();
1083 raumfeld_common_init();
1084 }
1085
1086 /* physical memory regions */
1087 #define RAUMFELD_SDRAM_BASE 0xa0000000 /* SDRAM region */
1088
1089 #ifdef CONFIG_MACH_RAUMFELD_RC
1090 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1091 .boot_params = RAUMFELD_SDRAM_BASE + 0x100,
1092 .init_machine = raumfeld_controller_init,
1093 .map_io = pxa3xx_map_io,
1094 .init_irq = pxa3xx_init_irq,
1095 .timer = &pxa_timer,
1096 MACHINE_END
1097 #endif
1098
1099 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1100 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1101 .boot_params = RAUMFELD_SDRAM_BASE + 0x100,
1102 .init_machine = raumfeld_connector_init,
1103 .map_io = pxa3xx_map_io,
1104 .init_irq = pxa3xx_init_irq,
1105 .timer = &pxa_timer,
1106 MACHINE_END
1107 #endif
1108
1109 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1110 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1111 .boot_params = RAUMFELD_SDRAM_BASE + 0x100,
1112 .init_machine = raumfeld_speaker_init,
1113 .map_io = pxa3xx_map_io,
1114 .init_irq = pxa3xx_init_irq,
1115 .timer = &pxa_timer,
1116 MACHINE_END
1117 #endif