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raumfeld.c
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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 <[email protected]>
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>
42 #include <linux/regulator/fixed.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>
56 
57 #include "generic.h"
58 #include "devices.h"
59 #include "clock.h"
60 
61 /* common GPIO definitions */
62 
63 /* inputs */
64 #define GPIO_ON_OFF (14)
65 #define GPIO_VOLENC_A (19)
66 #define GPIO_VOLENC_B (20)
67 #define GPIO_CHARGE_DONE (23)
68 #define GPIO_CHARGE_IND (27)
69 #define GPIO_TOUCH_IRQ (32)
70 #define GPIO_ETH_IRQ (40)
71 #define GPIO_SPI_MISO (98)
72 #define GPIO_ACCEL_IRQ (104)
73 #define GPIO_RESCUE_BOOT (115)
74 #define GPIO_DOCK_DETECT (116)
75 #define GPIO_KEY1 (117)
76 #define GPIO_KEY2 (118)
77 #define GPIO_KEY3 (119)
78 #define GPIO_CHARGE_USB_OK (112)
79 #define GPIO_CHARGE_DC_OK (101)
80 #define GPIO_CHARGE_USB_SUSP (102)
81 
82 /* outputs */
83 #define GPIO_SHUTDOWN_SUPPLY (16)
84 #define GPIO_SHUTDOWN_BATT (18)
85 #define GPIO_CHRG_PEN2 (31)
86 #define GPIO_TFT_VA_EN (33)
87 #define GPIO_SPDIF_CS (34)
88 #define GPIO_LED2 (35)
89 #define GPIO_LED1 (36)
90 #define GPIO_SPDIF_RESET (38)
91 #define GPIO_SPI_CLK (95)
92 #define GPIO_MCLK_DAC_CS (96)
93 #define GPIO_SPI_MOSI (97)
94 #define GPIO_W1_PULLUP_ENABLE (105)
95 #define GPIO_DISPLAY_ENABLE (106)
96 #define GPIO_MCLK_RESET (111)
97 #define GPIO_W2W_RESET (113)
98 #define GPIO_W2W_PDN (114)
99 #define GPIO_CODEC_RESET (120)
100 #define GPIO_AUDIO_VA_ENABLE (124)
101 #define GPIO_ACCEL_CS (125)
102 #define GPIO_ONE_WIRE (126)
103 
104 /*
105  * GPIO configurations
106  */
107 static mfp_cfg_t raumfeld_controller_pin_config[] __initdata = {
108  /* UART1 */
115 
116  /* UART3 */
118 
119  /* USB Host */
122 
123  /* I2C */
126 
127  /* SPI */
128  GPIO34_GPIO, /* SPDIF_CS */
129  GPIO96_GPIO, /* MCLK_CS */
130  GPIO125_GPIO, /* ACCEL_CS */
131 
132  /* MMC */
139 
140  /* One-wire */
143 
144  /* CHRG_USB_OK */
146  /* CHRG_USB_OK */
148  /* CHRG_USB_SUSP */
149  GPIO102_GPIO,
150  /* DISPLAY_ENABLE */
151  GPIO106_GPIO,
152  /* DOCK_DETECT */
154 
155  /* LCD */
178 };
179 
180 static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = {
181  /* UART1 */
188 
189  /* UART3 */
191 
192  /* USB Host */
195 
196  /* I2C */
199 
200  /* SPI */
201  GPIO34_GPIO, /* SPDIF_CS */
202  GPIO96_GPIO, /* MCLK_CS */
203  GPIO125_GPIO, /* ACCEL_CS */
204 
205  /* MMC */
212 
213  /* Ethernet */
214  GPIO1_nCS2, /* CS */
215  GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */
216 
217  /* SSP for I2S */
224 
225  /* SSP2 for S/PDIF */
230 
231  /* LEDs */
234 };
235 
236 static mfp_cfg_t raumfeld_speaker_pin_config[] __initdata = {
237  /* UART1 */
244 
245  /* UART3 */
247 
248  /* USB Host */
251 
252  /* I2C */
255 
256  /* SPI */
257  GPIO34_GPIO, /* SPDIF_CS */
258  GPIO96_GPIO, /* MCLK_CS */
259  GPIO125_GPIO, /* ACCEL_CS */
260 
261  /* MMC */
268 
269  /* Ethernet */
270  GPIO1_nCS2, /* CS */
271  GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */
272 
273  /* SSP for I2S */
280 
281  /* LEDs */
284 };
285 
286 /*
287  * SMSC LAN9220 Ethernet
288  */
289 
290 static struct resource smc91x_resources[] = {
291  {
292  .start = PXA3xx_CS2_PHYS,
293  .end = PXA3xx_CS2_PHYS + 0xfffff,
294  .flags = IORESOURCE_MEM,
295  },
296  {
297  .start = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
300  }
301 };
302 
303 static struct smsc911x_platform_config raumfeld_smsc911x_config = {
304  .phy_interface = PHY_INTERFACE_MODE_MII,
305  .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
306  .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
308 };
309 
310 static struct platform_device smc91x_device = {
311  .name = "smsc911x",
312  .id = -1,
313  .num_resources = ARRAY_SIZE(smc91x_resources),
314  .resource = smc91x_resources,
315  .dev = {
316  .platform_data = &raumfeld_smsc911x_config,
317  }
318 };
319 
324 static struct mtd_partition raumfeld_nand_partitions[] = {
325  {
326  .name = "Bootloader",
327  .offset = 0,
328  .size = 0xa0000,
329  .mask_flags = MTD_WRITEABLE, /* force read-only */
330  },
331  {
332  .name = "BootloaderEnvironment",
333  .offset = 0xa0000,
334  .size = 0x20000,
335  },
336  {
337  .name = "BootloaderSplashScreen",
338  .offset = 0xc0000,
339  .size = 0x60000,
340  },
341  {
342  .name = "UBI",
343  .offset = 0x120000,
344  .size = MTDPART_SIZ_FULL,
345  },
346 };
347 
348 static struct pxa3xx_nand_platform_data raumfeld_nand_info = {
349  .enable_arbiter = 1,
350  .keep_config = 1,
351  .num_cs = 1,
352  .parts[0] = raumfeld_nand_partitions,
353  .nr_parts[0] = ARRAY_SIZE(raumfeld_nand_partitions),
354 };
355 
360 static struct pxaohci_platform_data raumfeld_ohci_info = {
361  .port_mode = PMM_GLOBAL_MODE,
362  .flags = ENABLE_PORT1,
363 };
364 
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 
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 
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 
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 
498 static void w1_enable_external_pullup(int enable)
499 {
501  msleep(100);
502 }
503 
505  .pin = GPIO_ONE_WIRE,
506  .is_open_drain = 0,
507  .enable_external_pullup = w1_enable_external_pullup,
508 };
509 
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 {
520  "W1 external pullup enable");
521 
522  if (ret < 0)
523  pr_warning("Unable to request GPIO_W1_PULLUP_ENABLE\n");
524  else
526 
527  platform_device_register(&raumfeld_w1_gpio_device);
528 }
529 
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 = 41,
577  .left_margin = 2,
578  .right_margin = 1,
579  .vsync_len = 10,
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,
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  ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
600  if (ret < 0)
601  pr_warning("Unable to request GPIO_TFT_VA_EN\n");
602  else
604 
605  msleep(100);
606 
607  ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
608  if (ret < 0)
609  pr_warning("Unable to request GPIO_DISPLAY_ENABLE\n");
610  else
612 
613  /* Hardware revision 2 has the backlight regulator controlled
614  * by an LT3593, earlier and later devices use PWM for that. */
615  if ((system_rev & 0xff) == 2) {
616  platform_device_register(&raumfeld_lt3593_device);
617  } else {
618  mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
619  pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
620  platform_device_register(&raumfeld_pwm_backlight_device);
621  }
622 
623  pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
624  platform_device_register(&pxa3xx_device_gcu);
625 }
626 
632  .sck = GPIO_SPI_CLK,
633  .mosi = GPIO_SPI_MOSI,
634  .miso = GPIO_SPI_MISO,
635  .num_chipselect = 3,
636 };
637 
638 static struct platform_device raumfeld_spi_device = {
639  .name = "spi_gpio",
640  .id = 0,
641  .dev = {
642  .platform_data = &raumfeld_spi_platform_data,
643  }
644 };
645 
646 static struct lis3lv02d_platform_data lis3_pdata = {
647  .click_flags = LIS3_CLICK_SINGLE_X |
650  .irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
651  .wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
654  .wakeup_thresh = 10,
655  .click_thresh_x = 10,
656  .click_thresh_y = 10,
657  .click_thresh_z = 10,
658 };
659 
660 #define SPI_AK4104 \
661 { \
662  .modalias = "ak4104-codec", \
663  .max_speed_hz = 10000, \
664  .bus_num = 0, \
665  .chip_select = 0, \
666  .controller_data = (void *) GPIO_SPDIF_CS, \
667 }
668 
669 #define SPI_LIS3 \
670 { \
671  .modalias = "lis3lv02d_spi", \
672  .max_speed_hz = 1000000, \
673  .bus_num = 0, \
674  .chip_select = 1, \
675  .controller_data = (void *) GPIO_ACCEL_CS, \
676  .platform_data = &lis3_pdata, \
677  .irq = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ), \
678 }
679 
680 #define SPI_DAC7512 \
681 { \
682  .modalias = "dac7512", \
683  .max_speed_hz = 1000000, \
684  .bus_num = 0, \
685  .chip_select = 2, \
686  .controller_data = (void *) GPIO_MCLK_DAC_CS, \
687 }
688 
689 static struct spi_board_info connector_spi_devices[] __initdata = {
690  SPI_AK4104,
691  SPI_DAC7512,
692 };
693 
694 static struct spi_board_info speaker_spi_devices[] __initdata = {
695  SPI_DAC7512,
696 };
697 
698 static struct spi_board_info controller_spi_devices[] __initdata = {
699  SPI_LIS3,
700 };
701 
706 static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
707 {
710 
711  return 0;
712 }
713 
714 static void raumfeld_mci_exit(struct device *dev, void *data)
715 {
718 }
719 
720 static struct pxamci_platform_data raumfeld_mci_platform_data = {
721  .init = raumfeld_mci_init,
722  .exit = raumfeld_mci_exit,
723  .detect_delay_ms = 200,
724  .gpio_card_detect = -1,
725  .gpio_card_ro = -1,
726  .gpio_power = -1,
727 };
728 
729 /*
730  * External power / charge logic
731  */
732 
733 static int power_supply_init(struct device *dev)
734 {
735  return 0;
736 }
737 
738 static void power_supply_exit(struct device *dev)
739 {
740 }
741 
742 static int raumfeld_is_ac_online(void)
743 {
745 }
746 
747 static int raumfeld_is_usb_online(void)
748 {
749  return 0;
750 }
751 
752 static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
753 
754 static void raumfeld_power_signal_charged(void)
755 {
756  struct power_supply *psy =
757  power_supply_get_by_name(raumfeld_power_supplicants[0]);
758 
759  if (psy)
761 }
762 
763 static int raumfeld_power_resume(void)
764 {
765  /* check if GPIO_CHARGE_DONE went low while we were sleeping */
767  raumfeld_power_signal_charged();
768 
769  return 0;
770 }
771 
772 static struct pda_power_pdata power_supply_info = {
773  .init = power_supply_init,
774  .is_ac_online = raumfeld_is_ac_online,
775  .is_usb_online = raumfeld_is_usb_online,
776  .exit = power_supply_exit,
777  .supplied_to = raumfeld_power_supplicants,
778  .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants),
779  .resume = raumfeld_power_resume,
780 };
781 
782 static struct resource power_supply_resources[] = {
783  {
784  .name = "ac",
785  .flags = IORESOURCE_IRQ |
787  .start = GPIO_CHARGE_DC_OK,
788  .end = GPIO_CHARGE_DC_OK,
789  },
790 };
791 
792 static irqreturn_t charge_done_irq(int irq, void *dev_id)
793 {
794  raumfeld_power_signal_charged();
795  return IRQ_HANDLED;
796 }
797 
798 static struct platform_device raumfeld_power_supply = {
799  .name = "pda-power",
800  .id = -1,
801  .dev = {
802  .platform_data = &power_supply_info,
803  },
804  .resource = power_supply_resources,
805  .num_resources = ARRAY_SIZE(power_supply_resources),
806 };
807 
808 static void __init raumfeld_power_init(void)
809 {
810  int ret;
811 
812  /* Set PEN2 high to enable maximum charge current */
813  ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
814  if (ret < 0)
815  pr_warning("Unable to request GPIO_CHRG_PEN2\n");
816  else
818 
819  ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
820  if (ret < 0)
821  pr_warning("Unable to request GPIO_CHARGE_DC_OK\n");
822 
823  ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
824  if (ret < 0)
825  pr_warning("Unable to request GPIO_CHARGE_USB_SUSP\n");
826  else
828 
829  power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
830  power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
831 
833  &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
834  "charge_done", NULL);
835 
836  if (ret < 0)
837  printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
839  else
840  platform_device_register(&raumfeld_power_supply);
841 }
842 
843 /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
844 
845 static struct regulator_consumer_supply audio_va_consumer_supply =
846  REGULATOR_SUPPLY("va", "0-0048");
847 
849  .consumer_supplies = &audio_va_consumer_supply,
850  .num_consumer_supplies = 1,
851  .constraints = {
852  .valid_ops_mask = REGULATOR_CHANGE_STATUS,
853  },
854 };
855 
856 static struct fixed_voltage_config audio_va_config = {
857  .supply_name = "audio_va",
858  .microvolts = 5000000,
859  .gpio = GPIO_AUDIO_VA_ENABLE,
860  .enable_high = 1,
861  .enabled_at_boot = 0,
862  .init_data = &audio_va_initdata,
863 };
864 
865 static struct platform_device audio_va_device = {
866  .name = "reg-fixed-voltage",
867  .id = 0,
868  .dev = {
869  .platform_data = &audio_va_config,
870  },
871 };
872 
873 /* Dummy supplies for Codec's VD/VLC */
874 
875 static struct regulator_consumer_supply audio_dummy_supplies[] = {
876  REGULATOR_SUPPLY("vd", "0-0048"),
877  REGULATOR_SUPPLY("vlc", "0-0048"),
878 };
879 
881  .consumer_supplies = audio_dummy_supplies,
882  .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
883  .constraints = {
884  .valid_ops_mask = REGULATOR_CHANGE_STATUS,
885  },
886 };
887 
888 static struct fixed_voltage_config audio_dummy_config = {
889  .supply_name = "audio_vd",
890  .microvolts = 3300000,
891  .gpio = -1,
892  .init_data = &audio_dummy_initdata,
893 };
894 
895 static struct platform_device audio_supply_dummy_device = {
896  .name = "reg-fixed-voltage",
897  .id = 1,
898  .dev = {
899  .platform_data = &audio_dummy_config,
900  },
901 };
902 
903 static struct platform_device *audio_regulator_devices[] = {
904  &audio_va_device,
905  &audio_supply_dummy_device,
906 };
907 
912 static struct regulator_consumer_supply vcc_mmc_supply =
913  REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
914 
915 static struct regulator_init_data vcc_mmc_init_data = {
916  .constraints = {
917  .min_uV = 3300000,
918  .max_uV = 3300000,
919  .valid_modes_mask = REGULATOR_MODE_NORMAL,
920  .valid_ops_mask = REGULATOR_CHANGE_STATUS |
923  },
924  .consumer_supplies = &vcc_mmc_supply,
925  .num_consumer_supplies = 1,
926 };
927 
929  .id = MAX8660_V6,
930  .name = "vmmc",
931  .platform_data = &vcc_mmc_init_data,
932 };
933 
934 static struct max8660_platform_data max8660_pdata = {
935  .subdevs = &max8660_v6_subdev_data,
936  .num_subdevs = 1,
937 };
938 
943 static struct i2c_board_info raumfeld_pwri2c_board_info = {
944  .type = "max8660",
945  .addr = 0x34,
946  .platform_data = &max8660_pdata,
947 };
948 
949 static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
950  .type = "cs4270",
951  .addr = 0x48,
952 };
953 
954 static struct eeti_ts_platform_data eeti_ts_pdata = {
955  .irq_active_high = 1,
956  .irq_gpio = GPIO_TOUCH_IRQ,
957 };
958 
959 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
960  .type = "eeti_ts",
961  .addr = 0x0a,
962  .platform_data = &eeti_ts_pdata,
963 };
964 
965 static struct platform_device *raumfeld_common_devices[] = {
966  &raumfeld_gpio_keys_device,
967  &raumfeld_led_device,
968  &raumfeld_spi_device,
969 };
970 
971 static void __init raumfeld_audio_init(void)
972 {
973  int ret;
974 
975  ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
976  if (ret < 0)
977  pr_warning("unable to request GPIO_CODEC_RESET\n");
978  else
980 
981  ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
982  if (ret < 0)
983  pr_warning("unable to request GPIO_SPDIF_RESET\n");
984  else
986 
987  ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
988  if (ret < 0)
989  pr_warning("unable to request GPIO_MCLK_RESET\n");
990  else
992 
993  platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
994 }
995 
996 static void __init raumfeld_common_init(void)
997 {
998  int ret;
999 
1000  /* The on/off button polarity has changed after revision 1 */
1001  if ((system_rev & 0xff) > 1) {
1002  int i;
1003 
1004  for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1005  if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1006  gpio_keys_button[i].active_low = 1;
1007  }
1008 
1009  enable_irq_wake(IRQ_WAKEUP0);
1010 
1011  pxa3xx_set_nand_info(&raumfeld_nand_info);
1013  pxa_set_ohci_info(&raumfeld_ohci_info);
1014  pxa_set_mci_info(&raumfeld_mci_platform_data);
1017 
1018  ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1019  if (ret < 0)
1020  pr_warning("Unable to request GPIO_W2W_RESET\n");
1021  else
1023 
1024  ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1025  if (ret < 0)
1026  pr_warning("Unable to request GPIO_W2W_PDN\n");
1027  else
1029 
1030  /* this can be used to switch off the device */
1031  ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1032  if (ret < 0)
1033  pr_warning("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1034  else
1036 
1037  platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1038  i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1039 }
1040 
1041 static void __init raumfeld_controller_init(void)
1042 {
1043  int ret;
1044 
1045  pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1046  platform_device_register(&rotary_encoder_device);
1047  spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1048  i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1049 
1050  ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1051  if (ret < 0)
1052  pr_warning("Unable to request GPIO_SHUTDOWN_BATT\n");
1053  else
1055 
1056  raumfeld_common_init();
1057  raumfeld_power_init();
1058  raumfeld_lcd_init();
1059  raumfeld_w1_init();
1060 }
1061 
1062 static void __init raumfeld_connector_init(void)
1063 {
1064  pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1065  spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1066  i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1067 
1068  platform_device_register(&smc91x_device);
1069 
1070  raumfeld_audio_init();
1071  raumfeld_common_init();
1072 }
1073 
1074 static void __init raumfeld_speaker_init(void)
1075 {
1076  pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1077  spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1078  i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1079 
1080  platform_device_register(&smc91x_device);
1081  platform_device_register(&rotary_encoder_device);
1082 
1083  raumfeld_audio_init();
1084  raumfeld_common_init();
1085 }
1086 
1087 /* physical memory regions */
1088 #define RAUMFELD_SDRAM_BASE 0xa0000000 /* SDRAM region */
1089 
1090 #ifdef CONFIG_MACH_RAUMFELD_RC
1091 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1092  .atag_offset = 0x100,
1093  .init_machine = raumfeld_controller_init,
1094  .map_io = pxa3xx_map_io,
1095  .nr_irqs = PXA_NR_IRQS,
1096  .init_irq = pxa3xx_init_irq,
1097  .handle_irq = pxa3xx_handle_irq,
1098  .timer = &pxa_timer,
1099  .restart = pxa_restart,
1101 #endif
1102 
1103 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1104 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1105  .atag_offset = 0x100,
1106  .init_machine = raumfeld_connector_init,
1107  .map_io = pxa3xx_map_io,
1108  .nr_irqs = PXA_NR_IRQS,
1109  .init_irq = pxa3xx_init_irq,
1110  .handle_irq = pxa3xx_handle_irq,
1111  .timer = &pxa_timer,
1112  .restart = pxa_restart,
1114 #endif
1115 
1116 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1117 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1118  .atag_offset = 0x100,
1119  .init_machine = raumfeld_speaker_init,
1120  .map_io = pxa3xx_map_io,
1121  .nr_irqs = PXA_NR_IRQS,
1122  .init_irq = pxa3xx_init_irq,
1123  .handle_irq = pxa3xx_handle_irq,
1124  .timer = &pxa_timer,
1125  .restart = pxa_restart,
1127 #endif