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Input: wacom - revert "Cintiq 21UX2 does not have menu strips"
[linux-btrfs-devel.git] / arch / arm / mach-pxa / raumfeld.c
blobd130f77b6d11c8dfd6317cf793dcdcabd1b354af
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/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/pxa3xx_nand.h>
57
58 #include "generic.h"
59 #include "devices.h"
60 #include "clock.h"
61
62 /* common GPIO definitions */
63
64 /* inputs */
65 #define GPIO_ON_OFF (14)
66 #define GPIO_VOLENC_A (19)
67 #define GPIO_VOLENC_B (20)
68 #define GPIO_CHARGE_DONE (23)
69 #define GPIO_CHARGE_IND (27)
70 #define GPIO_TOUCH_IRQ (32)
71 #define GPIO_ETH_IRQ (40)
72 #define GPIO_SPI_MISO (98)
73 #define GPIO_ACCEL_IRQ (104)
74 #define GPIO_RESCUE_BOOT (115)
75 #define GPIO_DOCK_DETECT (116)
76 #define GPIO_KEY1 (117)
77 #define GPIO_KEY2 (118)
78 #define GPIO_KEY3 (119)
79 #define GPIO_CHARGE_USB_OK (112)
80 #define GPIO_CHARGE_DC_OK (101)
81 #define GPIO_CHARGE_USB_SUSP (102)
82
83 /* outputs */
84 #define GPIO_SHUTDOWN_SUPPLY (16)
85 #define GPIO_SHUTDOWN_BATT (18)
86 #define GPIO_CHRG_PEN2 (31)
87 #define GPIO_TFT_VA_EN (33)
88 #define GPIO_SPDIF_CS (34)
89 #define GPIO_LED2 (35)
90 #define GPIO_LED1 (36)
91 #define GPIO_SPDIF_RESET (38)
92 #define GPIO_SPI_CLK (95)
93 #define GPIO_MCLK_DAC_CS (96)
94 #define GPIO_SPI_MOSI (97)
95 #define GPIO_W1_PULLUP_ENABLE (105)
96 #define GPIO_DISPLAY_ENABLE (106)
97 #define GPIO_MCLK_RESET (111)
98 #define GPIO_W2W_RESET (113)
99 #define GPIO_W2W_PDN (114)
100 #define GPIO_CODEC_RESET (120)
101 #define GPIO_AUDIO_VA_ENABLE (124)
102 #define GPIO_ACCEL_CS (125)
103 #define GPIO_ONE_WIRE (126)
104
105 /*
106 * GPIO configurations
107 */
108 static mfp_cfg_t raumfeld_controller_pin_config[] __initdata = {
109 /* UART1 */
110 GPIO77_UART1_RXD,
111 GPIO78_UART1_TXD,
112 GPIO79_UART1_CTS,
113 GPIO81_UART1_DSR,
114 GPIO83_UART1_DTR,
115 GPIO84_UART1_RTS,
116
117 /* UART3 */
118 GPIO110_UART3_RXD,
119
120 /* USB Host */
121 GPIO0_2_USBH_PEN,
122 GPIO1_2_USBH_PWR,
123
124 /* I2C */
125 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
126 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
127
128 /* SPI */
129 GPIO34_GPIO, /* SPDIF_CS */
130 GPIO96_GPIO, /* MCLK_CS */
131 GPIO125_GPIO, /* ACCEL_CS */
132
133 /* MMC */
134 GPIO3_MMC1_DAT0,
135 GPIO4_MMC1_DAT1,
136 GPIO5_MMC1_DAT2,
137 GPIO6_MMC1_DAT3,
138 GPIO7_MMC1_CLK,
139 GPIO8_MMC1_CMD,
140
141 /* One-wire */
142 GPIO126_GPIO | MFP_LPM_FLOAT,
143 GPIO105_GPIO | MFP_PULL_LOW | MFP_LPM_PULL_LOW,
144
145 /* CHRG_USB_OK */
146 GPIO101_GPIO | MFP_PULL_HIGH,
147 /* CHRG_USB_OK */
148 GPIO112_GPIO | MFP_PULL_HIGH,
149 /* CHRG_USB_SUSP */
150 GPIO102_GPIO,
151 /* DISPLAY_ENABLE */
152 GPIO106_GPIO,
153 /* DOCK_DETECT */
154 GPIO116_GPIO | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
155
156 /* LCD */
157 GPIO54_LCD_LDD_0,
158 GPIO55_LCD_LDD_1,
159 GPIO56_LCD_LDD_2,
160 GPIO57_LCD_LDD_3,
161 GPIO58_LCD_LDD_4,
162 GPIO59_LCD_LDD_5,
163 GPIO60_LCD_LDD_6,
164 GPIO61_LCD_LDD_7,
165 GPIO62_LCD_LDD_8,
166 GPIO63_LCD_LDD_9,
167 GPIO64_LCD_LDD_10,
168 GPIO65_LCD_LDD_11,
169 GPIO66_LCD_LDD_12,
170 GPIO67_LCD_LDD_13,
171 GPIO68_LCD_LDD_14,
172 GPIO69_LCD_LDD_15,
173 GPIO70_LCD_LDD_16,
174 GPIO71_LCD_LDD_17,
175 GPIO72_LCD_FCLK,
176 GPIO73_LCD_LCLK,
177 GPIO74_LCD_PCLK,
178 GPIO75_LCD_BIAS,
179 };
180
181 static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = {
182 /* UART1 */
183 GPIO77_UART1_RXD,
184 GPIO78_UART1_TXD,
185 GPIO79_UART1_CTS,
186 GPIO81_UART1_DSR,
187 GPIO83_UART1_DTR,
188 GPIO84_UART1_RTS,
189
190 /* UART3 */
191 GPIO110_UART3_RXD,
192
193 /* USB Host */
194 GPIO0_2_USBH_PEN,
195 GPIO1_2_USBH_PWR,
196
197 /* I2C */
198 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
199 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
200
201 /* SPI */
202 GPIO34_GPIO, /* SPDIF_CS */
203 GPIO96_GPIO, /* MCLK_CS */
204 GPIO125_GPIO, /* ACCEL_CS */
205
206 /* MMC */
207 GPIO3_MMC1_DAT0,
208 GPIO4_MMC1_DAT1,
209 GPIO5_MMC1_DAT2,
210 GPIO6_MMC1_DAT3,
211 GPIO7_MMC1_CLK,
212 GPIO8_MMC1_CMD,
213
214 /* Ethernet */
215 GPIO1_nCS2, /* CS */
216 GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */
217
218 /* SSP for I2S */
219 GPIO85_SSP1_SCLK,
220 GPIO89_SSP1_EXTCLK,
221 GPIO86_SSP1_FRM,
222 GPIO87_SSP1_TXD,
223 GPIO88_SSP1_RXD,
224 GPIO90_SSP1_SYSCLK,
225
226 /* SSP2 for S/PDIF */
227 GPIO25_SSP2_SCLK,
228 GPIO26_SSP2_FRM,
229 GPIO27_SSP2_TXD,
230 GPIO29_SSP2_EXTCLK,
231
232 /* LEDs */
233 GPIO35_GPIO | MFP_LPM_PULL_LOW,
234 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
235 };
236
237 static mfp_cfg_t raumfeld_speaker_pin_config[] __initdata = {
238 /* UART1 */
239 GPIO77_UART1_RXD,
240 GPIO78_UART1_TXD,
241 GPIO79_UART1_CTS,
242 GPIO81_UART1_DSR,
243 GPIO83_UART1_DTR,
244 GPIO84_UART1_RTS,
245
246 /* UART3 */
247 GPIO110_UART3_RXD,
248
249 /* USB Host */
250 GPIO0_2_USBH_PEN,
251 GPIO1_2_USBH_PWR,
252
253 /* I2C */
254 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
255 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
256
257 /* SPI */
258 GPIO34_GPIO, /* SPDIF_CS */
259 GPIO96_GPIO, /* MCLK_CS */
260 GPIO125_GPIO, /* ACCEL_CS */
261
262 /* MMC */
263 GPIO3_MMC1_DAT0,
264 GPIO4_MMC1_DAT1,
265 GPIO5_MMC1_DAT2,
266 GPIO6_MMC1_DAT3,
267 GPIO7_MMC1_CLK,
268 GPIO8_MMC1_CMD,
269
270 /* Ethernet */
271 GPIO1_nCS2, /* CS */
272 GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */
273
274 /* SSP for I2S */
275 GPIO85_SSP1_SCLK,
276 GPIO89_SSP1_EXTCLK,
277 GPIO86_SSP1_FRM,
278 GPIO87_SSP1_TXD,
279 GPIO88_SSP1_RXD,
280 GPIO90_SSP1_SYSCLK,
281
282 /* LEDs */
283 GPIO35_GPIO | MFP_LPM_PULL_LOW,
284 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
285 };
286
287 /*
288 * SMSC LAN9220 Ethernet
289 */
290
291 static struct resource smc91x_resources[] = {
292 {
293 .start = PXA3xx_CS2_PHYS,
294 .end = PXA3xx_CS2_PHYS + 0xfffff,
295 .flags = IORESOURCE_MEM,
296 },
297 {
298 .start = gpio_to_irq(GPIO_ETH_IRQ),
299 .end = gpio_to_irq(GPIO_ETH_IRQ),
300 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
301 }
302 };
303
304 static struct smsc911x_platform_config raumfeld_smsc911x_config = {
305 .phy_interface = PHY_INTERFACE_MODE_MII,
306 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
307 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
308 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
309 };
310
311 static struct platform_device smc91x_device = {
312 .name = "smsc911x",
313 .id = -1,
314 .num_resources = ARRAY_SIZE(smc91x_resources),
315 .resource = smc91x_resources,
316 .dev = {
317 .platform_data = &raumfeld_smsc911x_config,
318 }
319 };
320
321 /**
322 * NAND
323 */
324
325 static struct mtd_partition raumfeld_nand_partitions[] = {
326 {
327 .name = "Bootloader",
328 .offset = 0,
329 .size = 0xa0000,
330 .mask_flags = MTD_WRITEABLE, /* force read-only */
331 },
332 {
333 .name = "BootloaderEnvironment",
334 .offset = 0xa0000,
335 .size = 0x20000,
336 },
337 {
338 .name = "BootloaderSplashScreen",
339 .offset = 0xc0000,
340 .size = 0x60000,
341 },
342 {
343 .name = "UBI",
344 .offset = 0x120000,
345 .size = MTDPART_SIZ_FULL,
346 },
347 };
348
349 static struct pxa3xx_nand_platform_data raumfeld_nand_info = {
350 .enable_arbiter = 1,
351 .keep_config = 1,
352 .parts = raumfeld_nand_partitions,
353 .nr_parts = ARRAY_SIZE(raumfeld_nand_partitions),
354 };
355
356 /**
357 * USB (OHCI) support
358 */
359
360 static struct pxaohci_platform_data raumfeld_ohci_info = {
361 .port_mode = PMM_GLOBAL_MODE,
362 .flags = ENABLE_PORT1,
363 };
364
365 /**
366 * Rotary encoder input device
367 */
368
369 static struct rotary_encoder_platform_data raumfeld_rotary_encoder_info = {
370 .steps = 24,
371 .axis = REL_X,
372 .relative_axis = 1,
373 .gpio_a = GPIO_VOLENC_A,
374 .gpio_b = GPIO_VOLENC_B,
375 .inverted_a = 1,
376 .inverted_b = 0,
377 };
378
379 static struct platform_device rotary_encoder_device = {
380 .name = "rotary-encoder",
381 .id = 0,
382 .dev = {
383 .platform_data = &raumfeld_rotary_encoder_info,
384 }
385 };
386
387 /**
388 * GPIO buttons
389 */
390
391 static struct gpio_keys_button gpio_keys_button[] = {
392 {
393 .code = KEY_F1,
394 .type = EV_KEY,
395 .gpio = GPIO_KEY1,
396 .active_low = 1,
397 .wakeup = 0,
398 .debounce_interval = 5, /* ms */
399 .desc = "Button 1",
400 },
401 {
402 .code = KEY_F2,
403 .type = EV_KEY,
404 .gpio = GPIO_KEY2,
405 .active_low = 1,
406 .wakeup = 0,
407 .debounce_interval = 5, /* ms */
408 .desc = "Button 2",
409 },
410 {
411 .code = KEY_F3,
412 .type = EV_KEY,
413 .gpio = GPIO_KEY3,
414 .active_low = 1,
415 .wakeup = 0,
416 .debounce_interval = 5, /* ms */
417 .desc = "Button 3",
418 },
419 {
420 .code = KEY_F4,
421 .type = EV_KEY,
422 .gpio = GPIO_RESCUE_BOOT,
423 .active_low = 0,
424 .wakeup = 0,
425 .debounce_interval = 5, /* ms */
426 .desc = "rescue boot button",
427 },
428 {
429 .code = KEY_F5,
430 .type = EV_KEY,
431 .gpio = GPIO_DOCK_DETECT,
432 .active_low = 1,
433 .wakeup = 0,
434 .debounce_interval = 5, /* ms */
435 .desc = "dock detect",
436 },
437 {
438 .code = KEY_F6,
439 .type = EV_KEY,
440 .gpio = GPIO_ON_OFF,
441 .active_low = 0,
442 .wakeup = 0,
443 .debounce_interval = 5, /* ms */
444 .desc = "on_off button",
445 },
446 };
447
448 static struct gpio_keys_platform_data gpio_keys_platform_data = {
449 .buttons = gpio_keys_button,
450 .nbuttons = ARRAY_SIZE(gpio_keys_button),
451 .rep = 0,
452 };
453
454 static struct platform_device raumfeld_gpio_keys_device = {
455 .name = "gpio-keys",
456 .id = -1,
457 .dev = {
458 .platform_data = &gpio_keys_platform_data,
459 }
460 };
461
462 /**
463 * GPIO LEDs
464 */
465
466 static struct gpio_led raumfeld_leds[] = {
467 {
468 .name = "raumfeld:1",
469 .gpio = GPIO_LED1,
470 .active_low = 1,
471 .default_state = LEDS_GPIO_DEFSTATE_ON,
472 },
473 {
474 .name = "raumfeld:2",
475 .gpio = GPIO_LED2,
476 .active_low = 0,
477 .default_state = LEDS_GPIO_DEFSTATE_OFF,
478 }
479 };
480
481 static struct gpio_led_platform_data raumfeld_led_platform_data = {
482 .leds = raumfeld_leds,
483 .num_leds = ARRAY_SIZE(raumfeld_leds),
484 };
485
486 static struct platform_device raumfeld_led_device = {
487 .name = "leds-gpio",
488 .id = -1,
489 .dev = {
490 .platform_data = &raumfeld_led_platform_data,
491 },
492 };
493
494 /**
495 * One-wire (W1 bus) support
496 */
497
498 static void w1_enable_external_pullup(int enable)
499 {
500 gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
501 msleep(100);
502 }
503
504 static struct w1_gpio_platform_data w1_gpio_platform_data = {
505 .pin = GPIO_ONE_WIRE,
506 .is_open_drain = 0,
507 .enable_external_pullup = w1_enable_external_pullup,
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_warning("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 };
542
543 static struct platform_device raumfeld_pwm_backlight_device = {
544 .name = "pwm-backlight",
545 .dev = {
546 .parent = &pxa27x_device_pwm0.dev,
547 .platform_data = &raumfeld_pwm_backlight_data,
548 }
549 };
550
551 /* LT3593 controlled backlight */
552 static struct gpio_led raumfeld_lt3593_led = {
553 .name = "backlight",
554 .gpio = mfp_to_gpio(MFP_PIN_GPIO17),
555 .default_state = LEDS_GPIO_DEFSTATE_ON,
556 };
557
558 static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
559 .leds = &raumfeld_lt3593_led,
560 .num_leds = 1,
561 };
562
563 static struct platform_device raumfeld_lt3593_device = {
564 .name = "leds-lt3593",
565 .id = -1,
566 .dev = {
567 .platform_data = &raumfeld_lt3593_platform_data,
568 },
569 };
570
571 static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
572 .pixclock = 111000,
573 .xres = 480,
574 .yres = 272,
575 .bpp = 16,
576 .hsync_len = 4,
577 .left_margin = 2,
578 .right_margin = 1,
579 .vsync_len = 1,
580 .upper_margin = 3,
581 .lower_margin = 1,
582 .sync = 0,
583 };
584
585 static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
586 .modes = &sharp_lq043t3dx02_mode,
587 .num_modes = 1,
588 .video_mem_size = 0x400000,
589 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
590 #ifdef CONFIG_PXA3XX_GCU
591 .acceleration_enabled = 1,
592 #endif
593 };
594
595 static void __init raumfeld_lcd_init(void)
596 {
597 int ret;
598
599 pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
600
601 /* Earlier devices had the backlight regulator controlled
602 * via PWM, later versions use another controller for that */
603 if ((system_rev & 0xff) < 2) {
604 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
605 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
606 platform_device_register(&raumfeld_pwm_backlight_device);
607 } else
608 platform_device_register(&raumfeld_lt3593_device);
609
610 ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
611 if (ret < 0)
612 pr_warning("Unable to request GPIO_TFT_VA_EN\n");
613 else
614 gpio_direction_output(GPIO_TFT_VA_EN, 1);
615
616 ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
617 if (ret < 0)
618 pr_warning("Unable to request GPIO_DISPLAY_ENABLE\n");
619 else
620 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
621
622 platform_device_register(&pxa3xx_device_gcu);
623 }
624
625 /**
626 * SPI devices
627 */
628
629 struct spi_gpio_platform_data raumfeld_spi_platform_data = {
630 .sck = GPIO_SPI_CLK,
631 .mosi = GPIO_SPI_MOSI,
632 .miso = GPIO_SPI_MISO,
633 .num_chipselect = 3,
634 };
635
636 static struct platform_device raumfeld_spi_device = {
637 .name = "spi_gpio",
638 .id = 0,
639 .dev = {
640 .platform_data = &raumfeld_spi_platform_data,
641 }
642 };
643
644 static struct lis3lv02d_platform_data lis3_pdata = {
645 .click_flags = LIS3_CLICK_SINGLE_X |
646 LIS3_CLICK_SINGLE_Y |
647 LIS3_CLICK_SINGLE_Z,
648 .irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
649 .wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
650 LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
651 LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
652 .wakeup_thresh = 10,
653 .click_thresh_x = 10,
654 .click_thresh_y = 10,
655 .click_thresh_z = 10,
656 };
657
658 #define SPI_AK4104 \
659 { \
660 .modalias = "ak4104", \
661 .max_speed_hz = 10000, \
662 .bus_num = 0, \
663 .chip_select = 0, \
664 .controller_data = (void *) GPIO_SPDIF_CS, \
665 }
666
667 #define SPI_LIS3 \
668 { \
669 .modalias = "lis3lv02d_spi", \
670 .max_speed_hz = 1000000, \
671 .bus_num = 0, \
672 .chip_select = 1, \
673 .controller_data = (void *) GPIO_ACCEL_CS, \
674 .platform_data = &lis3_pdata, \
675 .irq = gpio_to_irq(GPIO_ACCEL_IRQ), \
676 }
677
678 #define SPI_DAC7512 \
679 { \
680 .modalias = "dac7512", \
681 .max_speed_hz = 1000000, \
682 .bus_num = 0, \
683 .chip_select = 2, \
684 .controller_data = (void *) GPIO_MCLK_DAC_CS, \
685 }
686
687 static struct spi_board_info connector_spi_devices[] __initdata = {
688 SPI_AK4104,
689 SPI_DAC7512,
690 };
691
692 static struct spi_board_info speaker_spi_devices[] __initdata = {
693 SPI_DAC7512,
694 };
695
696 static struct spi_board_info controller_spi_devices[] __initdata = {
697 SPI_LIS3,
698 };
699
700 /**
701 * MMC for Marvell Libertas 8688 via SDIO
702 */
703
704 static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
705 {
706 gpio_set_value(GPIO_W2W_RESET, 1);
707 gpio_set_value(GPIO_W2W_PDN, 1);
708
709 return 0;
710 }
711
712 static void raumfeld_mci_exit(struct device *dev, void *data)
713 {
714 gpio_set_value(GPIO_W2W_RESET, 0);
715 gpio_set_value(GPIO_W2W_PDN, 0);
716 }
717
718 static struct pxamci_platform_data raumfeld_mci_platform_data = {
719 .init = raumfeld_mci_init,
720 .exit = raumfeld_mci_exit,
721 .detect_delay_ms = 200,
722 .gpio_card_detect = -1,
723 .gpio_card_ro = -1,
724 .gpio_power = -1,
725 };
726
727 /*
728 * External power / charge logic
729 */
730
731 static int power_supply_init(struct device *dev)
732 {
733 return 0;
734 }
735
736 static void power_supply_exit(struct device *dev)
737 {
738 }
739
740 static int raumfeld_is_ac_online(void)
741 {
742 return !gpio_get_value(GPIO_CHARGE_DC_OK);
743 }
744
745 static int raumfeld_is_usb_online(void)
746 {
747 return 0;
748 }
749
750 static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
751
752 static void raumfeld_power_signal_charged(void)
753 {
754 struct power_supply *psy =
755 power_supply_get_by_name(raumfeld_power_supplicants[0]);
756
757 if (psy)
758 power_supply_set_battery_charged(psy);
759 }
760
761 static int raumfeld_power_resume(void)
762 {
763 /* check if GPIO_CHARGE_DONE went low while we were sleeping */
764 if (!gpio_get_value(GPIO_CHARGE_DONE))
765 raumfeld_power_signal_charged();
766
767 return 0;
768 }
769
770 static struct pda_power_pdata power_supply_info = {
771 .init = power_supply_init,
772 .is_ac_online = raumfeld_is_ac_online,
773 .is_usb_online = raumfeld_is_usb_online,
774 .exit = power_supply_exit,
775 .supplied_to = raumfeld_power_supplicants,
776 .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants),
777 .resume = raumfeld_power_resume,
778 };
779
780 static struct resource power_supply_resources[] = {
781 {
782 .name = "ac",
783 .flags = IORESOURCE_IRQ |
784 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
785 .start = GPIO_CHARGE_DC_OK,
786 .end = GPIO_CHARGE_DC_OK,
787 },
788 };
789
790 static irqreturn_t charge_done_irq(int irq, void *dev_id)
791 {
792 raumfeld_power_signal_charged();
793 return IRQ_HANDLED;
794 }
795
796 static struct platform_device raumfeld_power_supply = {
797 .name = "pda-power",
798 .id = -1,
799 .dev = {
800 .platform_data = &power_supply_info,
801 },
802 .resource = power_supply_resources,
803 .num_resources = ARRAY_SIZE(power_supply_resources),
804 };
805
806 static void __init raumfeld_power_init(void)
807 {
808 int ret;
809
810 /* Set PEN2 high to enable maximum charge current */
811 ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
812 if (ret < 0)
813 pr_warning("Unable to request GPIO_CHRG_PEN2\n");
814 else
815 gpio_direction_output(GPIO_CHRG_PEN2, 1);
816
817 ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
818 if (ret < 0)
819 pr_warning("Unable to request GPIO_CHARGE_DC_OK\n");
820
821 ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
822 if (ret < 0)
823 pr_warning("Unable to request GPIO_CHARGE_USB_SUSP\n");
824 else
825 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
826
827 power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
828 power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
829
830 ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
831 &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
832 "charge_done", NULL);
833
834 if (ret < 0)
835 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
836 GPIO_CHARGE_DONE);
837 else
838 platform_device_register(&raumfeld_power_supply);
839 }
840
841 /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
842
843 static struct regulator_consumer_supply audio_va_consumer_supply =
844 REGULATOR_SUPPLY("va", "0-0048");
845
846 struct regulator_init_data audio_va_initdata = {
847 .consumer_supplies = &audio_va_consumer_supply,
848 .num_consumer_supplies = 1,
849 .constraints = {
850 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
851 },
852 };
853
854 static struct fixed_voltage_config audio_va_config = {
855 .supply_name = "audio_va",
856 .microvolts = 5000000,
857 .gpio = GPIO_AUDIO_VA_ENABLE,
858 .enable_high = 1,
859 .enabled_at_boot = 0,
860 .init_data = &audio_va_initdata,
861 };
862
863 static struct platform_device audio_va_device = {
864 .name = "reg-fixed-voltage",
865 .id = 0,
866 .dev = {
867 .platform_data = &audio_va_config,
868 },
869 };
870
871 /* Dummy supplies for Codec's VD/VLC */
872
873 static struct regulator_consumer_supply audio_dummy_supplies[] = {
874 REGULATOR_SUPPLY("vd", "0-0048"),
875 REGULATOR_SUPPLY("vlc", "0-0048"),
876 };
877
878 struct regulator_init_data audio_dummy_initdata = {
879 .consumer_supplies = audio_dummy_supplies,
880 .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
881 .constraints = {
882 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
883 },
884 };
885
886 static struct fixed_voltage_config audio_dummy_config = {
887 .supply_name = "audio_vd",
888 .microvolts = 3300000,
889 .gpio = -1,
890 .init_data = &audio_dummy_initdata,
891 };
892
893 static struct platform_device audio_supply_dummy_device = {
894 .name = "reg-fixed-voltage",
895 .id = 1,
896 .dev = {
897 .platform_data = &audio_dummy_config,
898 },
899 };
900
901 static struct platform_device *audio_regulator_devices[] = {
902 &audio_va_device,
903 &audio_supply_dummy_device,
904 };
905
906 /**
907 * Regulator support via MAX8660
908 */
909
910 static struct regulator_consumer_supply vcc_mmc_supply =
911 REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
912
913 static struct regulator_init_data vcc_mmc_init_data = {
914 .constraints = {
915 .min_uV = 3300000,
916 .max_uV = 3300000,
917 .valid_modes_mask = REGULATOR_MODE_NORMAL,
918 .valid_ops_mask = REGULATOR_CHANGE_STATUS |
919 REGULATOR_CHANGE_VOLTAGE |
920 REGULATOR_CHANGE_MODE,
921 },
922 .consumer_supplies = &vcc_mmc_supply,
923 .num_consumer_supplies = 1,
924 };
925
926 struct max8660_subdev_data max8660_v6_subdev_data = {
927 .id = MAX8660_V6,
928 .name = "vmmc",
929 .platform_data = &vcc_mmc_init_data,
930 };
931
932 static struct max8660_platform_data max8660_pdata = {
933 .subdevs = &max8660_v6_subdev_data,
934 .num_subdevs = 1,
935 };
936
937 /**
938 * I2C devices
939 */
940
941 static struct i2c_board_info raumfeld_pwri2c_board_info = {
942 .type = "max8660",
943 .addr = 0x34,
944 .platform_data = &max8660_pdata,
945 };
946
947 static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
948 .type = "cs4270",
949 .addr = 0x48,
950 };
951
952 static struct eeti_ts_platform_data eeti_ts_pdata = {
953 .irq_active_high = 1,
954 };
955
956 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
957 .type = "eeti_ts",
958 .addr = 0x0a,
959 .irq = gpio_to_irq(GPIO_TOUCH_IRQ),
960 .platform_data = &eeti_ts_pdata,
961 };
962
963 static struct platform_device *raumfeld_common_devices[] = {
964 &raumfeld_gpio_keys_device,
965 &raumfeld_led_device,
966 &raumfeld_spi_device,
967 };
968
969 static void __init raumfeld_audio_init(void)
970 {
971 int ret;
972
973 ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
974 if (ret < 0)
975 pr_warning("unable to request GPIO_CODEC_RESET\n");
976 else
977 gpio_direction_output(GPIO_CODEC_RESET, 1);
978
979 ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
980 if (ret < 0)
981 pr_warning("unable to request GPIO_SPDIF_RESET\n");
982 else
983 gpio_direction_output(GPIO_SPDIF_RESET, 1);
984
985 ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
986 if (ret < 0)
987 pr_warning("unable to request GPIO_MCLK_RESET\n");
988 else
989 gpio_direction_output(GPIO_MCLK_RESET, 1);
990
991 platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
992 }
993
994 static void __init raumfeld_common_init(void)
995 {
996 int ret;
997
998 /* The on/off button polarity has changed after revision 1 */
999 if ((system_rev & 0xff) > 1) {
1000 int i;
1001
1002 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1003 if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1004 gpio_keys_button[i].active_low = 1;
1005 }
1006
1007 enable_irq_wake(IRQ_WAKEUP0);
1008
1009 pxa3xx_set_nand_info(&raumfeld_nand_info);
1010 pxa3xx_set_i2c_power_info(NULL);
1011 pxa_set_ohci_info(&raumfeld_ohci_info);
1012 pxa_set_mci_info(&raumfeld_mci_platform_data);
1013 pxa_set_i2c_info(NULL);
1014 pxa_set_ffuart_info(NULL);
1015
1016 ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1017 if (ret < 0)
1018 pr_warning("Unable to request GPIO_W2W_RESET\n");
1019 else
1020 gpio_direction_output(GPIO_W2W_RESET, 0);
1021
1022 ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1023 if (ret < 0)
1024 pr_warning("Unable to request GPIO_W2W_PDN\n");
1025 else
1026 gpio_direction_output(GPIO_W2W_PDN, 0);
1027
1028 /* this can be used to switch off the device */
1029 ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1030 if (ret < 0)
1031 pr_warning("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1032 else
1033 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1034
1035 platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1036 i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1037 }
1038
1039 static void __init raumfeld_controller_init(void)
1040 {
1041 int ret;
1042
1043 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1044 platform_device_register(&rotary_encoder_device);
1045 spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1046 i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1047
1048 ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1049 if (ret < 0)
1050 pr_warning("Unable to request GPIO_SHUTDOWN_BATT\n");
1051 else
1052 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1053
1054 raumfeld_common_init();
1055 raumfeld_power_init();
1056 raumfeld_lcd_init();
1057 raumfeld_w1_init();
1058 }
1059
1060 static void __init raumfeld_connector_init(void)
1061 {
1062 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1063 spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1064 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1065
1066 platform_device_register(&smc91x_device);
1067
1068 raumfeld_audio_init();
1069 raumfeld_common_init();
1070 }
1071
1072 static void __init raumfeld_speaker_init(void)
1073 {
1074 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1075 spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1076 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1077
1078 platform_device_register(&smc91x_device);
1079 platform_device_register(&rotary_encoder_device);
1080
1081 raumfeld_audio_init();
1082 raumfeld_common_init();
1083 }
1084
1085 /* physical memory regions */
1086 #define RAUMFELD_SDRAM_BASE 0xa0000000 /* SDRAM region */
1087
1088 #ifdef CONFIG_MACH_RAUMFELD_RC
1089 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1090 .boot_params = RAUMFELD_SDRAM_BASE + 0x100,
1091 .init_machine = raumfeld_controller_init,
1092 .map_io = pxa3xx_map_io,
1093 .init_irq = pxa3xx_init_irq,
1094 .timer = &pxa_timer,
1095 MACHINE_END
1096 #endif
1097
1098 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1099 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1100 .boot_params = RAUMFELD_SDRAM_BASE + 0x100,
1101 .init_machine = raumfeld_connector_init,
1102 .map_io = pxa3xx_map_io,
1103 .init_irq = pxa3xx_init_irq,
1104 .timer = &pxa_timer,
1105 MACHINE_END
1106 #endif
1107
1108 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1109 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1110 .boot_params = RAUMFELD_SDRAM_BASE + 0x100,
1111 .init_machine = raumfeld_speaker_init,
1112 .map_io = pxa3xx_map_io,
1113 .init_irq = pxa3xx_init_irq,
1114 .timer = &pxa_timer,
1115 MACHINE_END
1116 #endif
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