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[karo-tx-linux.git] / arch / arm / mach-pxa / raumfeld.c
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 #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 */
109         GPIO77_UART1_RXD,
110         GPIO78_UART1_TXD,
111         GPIO79_UART1_CTS,
112         GPIO81_UART1_DSR,
113         GPIO83_UART1_DTR,
114         GPIO84_UART1_RTS,
115
116         /* UART3 */
117         GPIO110_UART3_RXD,
118
119         /* USB Host */
120         GPIO0_2_USBH_PEN,
121         GPIO1_2_USBH_PWR,
122
123         /* I2C */
124         GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
125         GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
126
127         /* SPI */
128         GPIO34_GPIO,    /* SPDIF_CS */
129         GPIO96_GPIO,    /* MCLK_CS */
130         GPIO125_GPIO,   /* ACCEL_CS */
131
132         /* MMC */
133         GPIO3_MMC1_DAT0,
134         GPIO4_MMC1_DAT1,
135         GPIO5_MMC1_DAT2,
136         GPIO6_MMC1_DAT3,
137         GPIO7_MMC1_CLK,
138         GPIO8_MMC1_CMD,
139
140         /* One-wire */
141         GPIO126_GPIO | MFP_LPM_FLOAT,
142         GPIO105_GPIO | MFP_PULL_LOW | MFP_LPM_PULL_LOW,
143
144         /* CHRG_USB_OK */
145         GPIO101_GPIO | MFP_PULL_HIGH,
146         /* CHRG_USB_OK */
147         GPIO112_GPIO | MFP_PULL_HIGH,
148         /* CHRG_USB_SUSP */
149         GPIO102_GPIO,
150         /* DISPLAY_ENABLE */
151         GPIO106_GPIO,
152         /* DOCK_DETECT */
153         GPIO116_GPIO | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
154
155         /* LCD */
156         GPIO54_LCD_LDD_0,
157         GPIO55_LCD_LDD_1,
158         GPIO56_LCD_LDD_2,
159         GPIO57_LCD_LDD_3,
160         GPIO58_LCD_LDD_4,
161         GPIO59_LCD_LDD_5,
162         GPIO60_LCD_LDD_6,
163         GPIO61_LCD_LDD_7,
164         GPIO62_LCD_LDD_8,
165         GPIO63_LCD_LDD_9,
166         GPIO64_LCD_LDD_10,
167         GPIO65_LCD_LDD_11,
168         GPIO66_LCD_LDD_12,
169         GPIO67_LCD_LDD_13,
170         GPIO68_LCD_LDD_14,
171         GPIO69_LCD_LDD_15,
172         GPIO70_LCD_LDD_16,
173         GPIO71_LCD_LDD_17,
174         GPIO72_LCD_FCLK,
175         GPIO73_LCD_LCLK,
176         GPIO74_LCD_PCLK,
177         GPIO75_LCD_BIAS,
178 };
179
180 static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = {
181         /* UART1 */
182         GPIO77_UART1_RXD,
183         GPIO78_UART1_TXD,
184         GPIO79_UART1_CTS,
185         GPIO81_UART1_DSR,
186         GPIO83_UART1_DTR,
187         GPIO84_UART1_RTS,
188
189         /* UART3 */
190         GPIO110_UART3_RXD,
191
192         /* USB Host */
193         GPIO0_2_USBH_PEN,
194         GPIO1_2_USBH_PWR,
195
196         /* I2C */
197         GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
198         GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
199
200         /* SPI */
201         GPIO34_GPIO,    /* SPDIF_CS */
202         GPIO96_GPIO,    /* MCLK_CS */
203         GPIO125_GPIO,   /* ACCEL_CS */
204
205         /* MMC */
206         GPIO3_MMC1_DAT0,
207         GPIO4_MMC1_DAT1,
208         GPIO5_MMC1_DAT2,
209         GPIO6_MMC1_DAT3,
210         GPIO7_MMC1_CLK,
211         GPIO8_MMC1_CMD,
212
213         /* Ethernet */
214         GPIO1_nCS2,                     /* CS */
215         GPIO40_GPIO | MFP_PULL_HIGH,    /* IRQ */
216
217         /* SSP for I2S */
218         GPIO85_SSP1_SCLK,
219         GPIO89_SSP1_EXTCLK,
220         GPIO86_SSP1_FRM,
221         GPIO87_SSP1_TXD,
222         GPIO88_SSP1_RXD,
223         GPIO90_SSP1_SYSCLK,
224
225         /* SSP2 for S/PDIF */
226         GPIO25_SSP2_SCLK,
227         GPIO26_SSP2_FRM,
228         GPIO27_SSP2_TXD,
229         GPIO29_SSP2_EXTCLK,
230
231         /* LEDs */
232         GPIO35_GPIO | MFP_LPM_PULL_LOW,
233         GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
234 };
235
236 static mfp_cfg_t raumfeld_speaker_pin_config[] __initdata = {
237         /* UART1 */
238         GPIO77_UART1_RXD,
239         GPIO78_UART1_TXD,
240         GPIO79_UART1_CTS,
241         GPIO81_UART1_DSR,
242         GPIO83_UART1_DTR,
243         GPIO84_UART1_RTS,
244
245         /* UART3 */
246         GPIO110_UART3_RXD,
247
248         /* USB Host */
249         GPIO0_2_USBH_PEN,
250         GPIO1_2_USBH_PWR,
251
252         /* I2C */
253         GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
254         GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
255
256         /* SPI */
257         GPIO34_GPIO,    /* SPDIF_CS */
258         GPIO96_GPIO,    /* MCLK_CS */
259         GPIO125_GPIO,   /* ACCEL_CS */
260
261         /* MMC */
262         GPIO3_MMC1_DAT0,
263         GPIO4_MMC1_DAT1,
264         GPIO5_MMC1_DAT2,
265         GPIO6_MMC1_DAT3,
266         GPIO7_MMC1_CLK,
267         GPIO8_MMC1_CMD,
268
269         /* Ethernet */
270         GPIO1_nCS2,                     /* CS */
271         GPIO40_GPIO | MFP_PULL_HIGH,    /* IRQ */
272
273         /* SSP for I2S */
274         GPIO85_SSP1_SCLK,
275         GPIO89_SSP1_EXTCLK,
276         GPIO86_SSP1_FRM,
277         GPIO87_SSP1_TXD,
278         GPIO88_SSP1_RXD,
279         GPIO90_SSP1_SYSCLK,
280
281         /* LEDs */
282         GPIO35_GPIO | MFP_LPM_PULL_LOW,
283         GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
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),
298                 .end    = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
299                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
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,
307         .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
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
320 /**
321  * NAND
322  */
323
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
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         .ext_pullup_enable_pin  = -EINVAL,
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      = 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_warning("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_warning("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 }
763
764 static int raumfeld_power_resume(void)
765 {
766         /* check if GPIO_CHARGE_DONE went low while we were sleeping */
767         if (!gpio_get_value(GPIO_CHARGE_DONE))
768                 raumfeld_power_signal_charged();
769
770         return 0;
771 }
772
773 static struct pda_power_pdata power_supply_info = {
774         .init                   = power_supply_init,
775         .is_ac_online           = raumfeld_is_ac_online,
776         .is_usb_online          = raumfeld_is_usb_online,
777         .exit                   = power_supply_exit,
778         .supplied_to            = raumfeld_power_supplicants,
779         .num_supplicants        = ARRAY_SIZE(raumfeld_power_supplicants),
780         .resume                 = raumfeld_power_resume,
781 };
782
783 static struct resource power_supply_resources[] = {
784         {
785                 .name  = "ac",
786                 .flags = IORESOURCE_IRQ |
787                          IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
788                 .start = GPIO_CHARGE_DC_OK,
789                 .end   = GPIO_CHARGE_DC_OK,
790         },
791 };
792
793 static irqreturn_t charge_done_irq(int irq, void *dev_id)
794 {
795         raumfeld_power_signal_charged();
796         return IRQ_HANDLED;
797 }
798
799 static struct platform_device raumfeld_power_supply = {
800         .name = "pda-power",
801         .id   = -1,
802         .dev  = {
803                 .platform_data = &power_supply_info,
804         },
805         .resource      = power_supply_resources,
806         .num_resources = ARRAY_SIZE(power_supply_resources),
807 };
808
809 static void __init raumfeld_power_init(void)
810 {
811         int ret;
812
813         /* Set PEN2 high to enable maximum charge current */
814         ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
815         if (ret < 0)
816                 pr_warning("Unable to request GPIO_CHRG_PEN2\n");
817         else
818                 gpio_direction_output(GPIO_CHRG_PEN2, 1);
819
820         ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
821         if (ret < 0)
822                 pr_warning("Unable to request GPIO_CHARGE_DC_OK\n");
823
824         ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
825         if (ret < 0)
826                 pr_warning("Unable to request GPIO_CHARGE_USB_SUSP\n");
827         else
828                 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
829
830         power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
831         power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
832
833         ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
834                         &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
835                         "charge_done", NULL);
836
837         if (ret < 0)
838                 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
839                         GPIO_CHARGE_DONE);
840         else
841                 platform_device_register(&raumfeld_power_supply);
842 }
843
844 /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
845
846 static struct regulator_consumer_supply audio_va_consumer_supply =
847         REGULATOR_SUPPLY("va", "0-0048");
848
849 struct regulator_init_data audio_va_initdata = {
850         .consumer_supplies = &audio_va_consumer_supply,
851         .num_consumer_supplies = 1,
852         .constraints = {
853                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
854         },
855 };
856
857 static struct fixed_voltage_config audio_va_config = {
858         .supply_name            = "audio_va",
859         .microvolts             = 5000000,
860         .gpio                   = GPIO_AUDIO_VA_ENABLE,
861         .enable_high            = 1,
862         .enabled_at_boot        = 0,
863         .init_data              = &audio_va_initdata,
864 };
865
866 static struct platform_device audio_va_device = {
867         .name   = "reg-fixed-voltage",
868         .id     = 0,
869         .dev    = {
870                 .platform_data = &audio_va_config,
871         },
872 };
873
874 /* Dummy supplies for Codec's VD/VLC */
875
876 static struct regulator_consumer_supply audio_dummy_supplies[] = {
877         REGULATOR_SUPPLY("vd", "0-0048"),
878         REGULATOR_SUPPLY("vlc", "0-0048"),
879 };
880
881 struct regulator_init_data audio_dummy_initdata = {
882         .consumer_supplies = audio_dummy_supplies,
883         .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
884         .constraints = {
885                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
886         },
887 };
888
889 static struct fixed_voltage_config audio_dummy_config = {
890         .supply_name            = "audio_vd",
891         .microvolts             = 3300000,
892         .gpio                   = -1,
893         .init_data              = &audio_dummy_initdata,
894 };
895
896 static struct platform_device audio_supply_dummy_device = {
897         .name   = "reg-fixed-voltage",
898         .id     = 1,
899         .dev    = {
900                 .platform_data = &audio_dummy_config,
901         },
902 };
903
904 static struct platform_device *audio_regulator_devices[] = {
905         &audio_va_device,
906         &audio_supply_dummy_device,
907 };
908
909 /**
910  * Regulator support via MAX8660
911  */
912
913 static struct regulator_consumer_supply vcc_mmc_supply =
914         REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
915
916 static struct regulator_init_data vcc_mmc_init_data = {
917         .constraints = {
918                 .min_uV                 = 3300000,
919                 .max_uV                 = 3300000,
920                 .valid_modes_mask       = REGULATOR_MODE_NORMAL,
921                 .valid_ops_mask         = REGULATOR_CHANGE_STATUS |
922                                           REGULATOR_CHANGE_VOLTAGE |
923                                           REGULATOR_CHANGE_MODE,
924         },
925         .consumer_supplies = &vcc_mmc_supply,
926         .num_consumer_supplies = 1,
927 };
928
929 struct max8660_subdev_data max8660_v6_subdev_data = {
930         .id             = MAX8660_V6,
931         .name           = "vmmc",
932         .platform_data  = &vcc_mmc_init_data,
933 };
934
935 static struct max8660_platform_data max8660_pdata = {
936         .subdevs = &max8660_v6_subdev_data,
937         .num_subdevs = 1,
938 };
939
940 /**
941  * I2C devices
942  */
943
944 static struct i2c_board_info raumfeld_pwri2c_board_info = {
945         .type           = "max8660",
946         .addr           = 0x34,
947         .platform_data  = &max8660_pdata,
948 };
949
950 static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
951         .type   = "cs4270",
952         .addr   = 0x48,
953 };
954
955 static struct eeti_ts_platform_data eeti_ts_pdata = {
956         .irq_active_high = 1,
957         .irq_gpio = GPIO_TOUCH_IRQ,
958 };
959
960 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
961         .type   = "eeti_ts",
962         .addr   = 0x0a,
963         .platform_data = &eeti_ts_pdata,
964 };
965
966 static struct platform_device *raumfeld_common_devices[] = {
967         &raumfeld_gpio_keys_device,
968         &raumfeld_led_device,
969         &raumfeld_spi_device,
970 };
971
972 static void __init raumfeld_audio_init(void)
973 {
974         int ret;
975
976         ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
977         if (ret < 0)
978                 pr_warning("unable to request GPIO_CODEC_RESET\n");
979         else
980                 gpio_direction_output(GPIO_CODEC_RESET, 1);
981
982         ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
983         if (ret < 0)
984                 pr_warning("unable to request GPIO_SPDIF_RESET\n");
985         else
986                 gpio_direction_output(GPIO_SPDIF_RESET, 1);
987
988         ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
989         if (ret < 0)
990                 pr_warning("unable to request GPIO_MCLK_RESET\n");
991         else
992                 gpio_direction_output(GPIO_MCLK_RESET, 1);
993
994         platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
995 }
996
997 static void __init raumfeld_common_init(void)
998 {
999         int ret;
1000
1001         /* The on/off button polarity has changed after revision 1 */
1002         if ((system_rev & 0xff) > 1) {
1003                 int i;
1004
1005                 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1006                         if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1007                                 gpio_keys_button[i].active_low = 1;
1008         }
1009
1010         enable_irq_wake(IRQ_WAKEUP0);
1011
1012         pxa3xx_set_nand_info(&raumfeld_nand_info);
1013         pxa3xx_set_i2c_power_info(NULL);
1014         pxa_set_ohci_info(&raumfeld_ohci_info);
1015         pxa_set_mci_info(&raumfeld_mci_platform_data);
1016         pxa_set_i2c_info(NULL);
1017         pxa_set_ffuart_info(NULL);
1018
1019         ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1020         if (ret < 0)
1021                 pr_warning("Unable to request GPIO_W2W_RESET\n");
1022         else
1023                 gpio_direction_output(GPIO_W2W_RESET, 0);
1024
1025         ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1026         if (ret < 0)
1027                 pr_warning("Unable to request GPIO_W2W_PDN\n");
1028         else
1029                 gpio_direction_output(GPIO_W2W_PDN, 0);
1030
1031         /* this can be used to switch off the device */
1032         ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1033         if (ret < 0)
1034                 pr_warning("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1035         else
1036                 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1037
1038         platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1039         i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1040 }
1041
1042 static void __init raumfeld_controller_init(void)
1043 {
1044         int ret;
1045
1046         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1047         platform_device_register(&rotary_encoder_device);
1048         spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1049         i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1050
1051         ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1052         if (ret < 0)
1053                 pr_warning("Unable to request GPIO_SHUTDOWN_BATT\n");
1054         else
1055                 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1056
1057         raumfeld_common_init();
1058         raumfeld_power_init();
1059         raumfeld_lcd_init();
1060         raumfeld_w1_init();
1061 }
1062
1063 static void __init raumfeld_connector_init(void)
1064 {
1065         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1066         spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1067         i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1068
1069         platform_device_register(&smc91x_device);
1070
1071         raumfeld_audio_init();
1072         raumfeld_common_init();
1073 }
1074
1075 static void __init raumfeld_speaker_init(void)
1076 {
1077         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1078         spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1079         i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1080
1081         platform_device_register(&smc91x_device);
1082         platform_device_register(&rotary_encoder_device);
1083
1084         raumfeld_audio_init();
1085         raumfeld_common_init();
1086 }
1087
1088 /* physical memory regions */
1089 #define RAUMFELD_SDRAM_BASE     0xa0000000      /* SDRAM region */
1090
1091 #ifdef CONFIG_MACH_RAUMFELD_RC
1092 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1093         .atag_offset    = 0x100,
1094         .init_machine   = raumfeld_controller_init,
1095         .map_io         = pxa3xx_map_io,
1096         .nr_irqs        = PXA_NR_IRQS,
1097         .init_irq       = pxa3xx_init_irq,
1098         .handle_irq     = pxa3xx_handle_irq,
1099         .init_time      = pxa_timer_init,
1100         .restart        = pxa_restart,
1101 MACHINE_END
1102 #endif
1103
1104 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1105 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1106         .atag_offset    = 0x100,
1107         .init_machine   = raumfeld_connector_init,
1108         .map_io         = pxa3xx_map_io,
1109         .nr_irqs        = PXA_NR_IRQS,
1110         .init_irq       = pxa3xx_init_irq,
1111         .handle_irq     = pxa3xx_handle_irq,
1112         .init_time      = pxa_timer_init,
1113         .restart        = pxa_restart,
1114 MACHINE_END
1115 #endif
1116
1117 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1118 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1119         .atag_offset    = 0x100,
1120         .init_machine   = raumfeld_speaker_init,
1121         .map_io         = pxa3xx_map_io,
1122         .nr_irqs        = PXA_NR_IRQS,
1123         .init_irq       = pxa3xx_init_irq,
1124         .handle_irq     = pxa3xx_handle_irq,
1125         .init_time      = pxa_timer_init,
1126         .restart        = pxa_restart,
1127 MACHINE_END
1128 #endif