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TOMOYO Linux Cross Reference
Linux/arch/arm/mach-pxa/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 <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         .enable_gpio    = -1,
543 };
544 
545 static struct platform_device raumfeld_pwm_backlight_device = {
546         .name   = "pwm-backlight",
547         .dev    = {
548                 .parent         = &pxa27x_device_pwm0.dev,
549                 .platform_data  = &raumfeld_pwm_backlight_data,
550         }
551 };
552 
553 /* LT3593 controlled backlight */
554 static struct gpio_led raumfeld_lt3593_led = {
555         .name           = "backlight",
556         .gpio           = mfp_to_gpio(MFP_PIN_GPIO17),
557         .default_state  = LEDS_GPIO_DEFSTATE_ON,
558 };
559 
560 static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
561         .leds           = &raumfeld_lt3593_led,
562         .num_leds       = 1,
563 };
564 
565 static struct platform_device raumfeld_lt3593_device = {
566         .name   = "leds-lt3593",
567         .id     = -1,
568         .dev    = {
569                 .platform_data = &raumfeld_lt3593_platform_data,
570         },
571 };
572 
573 static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
574         .pixclock       = 111000,
575         .xres           = 480,
576         .yres           = 272,
577         .bpp            = 16,
578         .hsync_len      = 41,
579         .left_margin    = 2,
580         .right_margin   = 1,
581         .vsync_len      = 10,
582         .upper_margin   = 3,
583         .lower_margin   = 1,
584         .sync           = 0,
585 };
586 
587 static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
588         .modes          = &sharp_lq043t3dx02_mode,
589         .num_modes      = 1,
590         .video_mem_size = 0x400000,
591         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
592 #ifdef CONFIG_PXA3XX_GCU
593         .acceleration_enabled = 1,
594 #endif
595 };
596 
597 static void __init raumfeld_lcd_init(void)
598 {
599         int ret;
600 
601         ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
602         if (ret < 0)
603                 pr_warning("Unable to request GPIO_TFT_VA_EN\n");
604         else
605                 gpio_direction_output(GPIO_TFT_VA_EN, 1);
606 
607         msleep(100);
608 
609         ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
610         if (ret < 0)
611                 pr_warning("Unable to request GPIO_DISPLAY_ENABLE\n");
612         else
613                 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
614 
615         /* Hardware revision 2 has the backlight regulator controlled
616          * by an LT3593, earlier and later devices use PWM for that. */
617         if ((system_rev & 0xff) == 2) {
618                 platform_device_register(&raumfeld_lt3593_device);
619         } else {
620                 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
621                 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
622                 platform_device_register(&raumfeld_pwm_backlight_device);
623         }
624 
625         pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
626         platform_device_register(&pxa3xx_device_gcu);
627 }
628 
629 /**
630  * SPI devices
631  */
632 
633 struct spi_gpio_platform_data raumfeld_spi_platform_data = {
634         .sck            = GPIO_SPI_CLK,
635         .mosi           = GPIO_SPI_MOSI,
636         .miso           = GPIO_SPI_MISO,
637         .num_chipselect = 3,
638 };
639 
640 static struct platform_device raumfeld_spi_device = {
641         .name   = "spi_gpio",
642         .id     = 0,
643         .dev    = {
644                 .platform_data  = &raumfeld_spi_platform_data,
645         }
646 };
647 
648 static struct lis3lv02d_platform_data lis3_pdata = {
649         .click_flags    = LIS3_CLICK_SINGLE_X |
650                           LIS3_CLICK_SINGLE_Y |
651                           LIS3_CLICK_SINGLE_Z,
652         .irq_cfg        = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
653         .wakeup_flags   = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
654                           LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
655                           LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
656         .wakeup_thresh  = 10,
657         .click_thresh_x = 10,
658         .click_thresh_y = 10,
659         .click_thresh_z = 10,
660 };
661 
662 #define SPI_AK4104      \
663 {                       \
664         .modalias       = "ak4104-codec",       \
665         .max_speed_hz   = 10000,                \
666         .bus_num        = 0,                    \
667         .chip_select    = 0,                    \
668         .controller_data = (void *) GPIO_SPDIF_CS,      \
669 }
670 
671 #define SPI_LIS3        \
672 {                       \
673         .modalias       = "lis3lv02d_spi",      \
674         .max_speed_hz   = 1000000,              \
675         .bus_num        = 0,                    \
676         .chip_select    = 1,                    \
677         .controller_data = (void *) GPIO_ACCEL_CS,      \
678         .platform_data  = &lis3_pdata,          \
679         .irq            = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ),      \
680 }
681 
682 #define SPI_DAC7512     \
683 {       \
684         .modalias       = "dac7512",            \
685         .max_speed_hz   = 1000000,              \
686         .bus_num        = 0,                    \
687         .chip_select    = 2,                    \
688         .controller_data = (void *) GPIO_MCLK_DAC_CS,   \
689 }
690 
691 static struct spi_board_info connector_spi_devices[] __initdata = {
692         SPI_AK4104,
693         SPI_DAC7512,
694 };
695 
696 static struct spi_board_info speaker_spi_devices[] __initdata = {
697         SPI_DAC7512,
698 };
699 
700 static struct spi_board_info controller_spi_devices[] __initdata = {
701         SPI_LIS3,
702 };
703 
704 /**
705  * MMC for Marvell Libertas 8688 via SDIO
706  */
707 
708 static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
709 {
710         gpio_set_value(GPIO_W2W_RESET, 1);
711         gpio_set_value(GPIO_W2W_PDN, 1);
712 
713         return 0;
714 }
715 
716 static void raumfeld_mci_exit(struct device *dev, void *data)
717 {
718         gpio_set_value(GPIO_W2W_RESET, 0);
719         gpio_set_value(GPIO_W2W_PDN, 0);
720 }
721 
722 static struct pxamci_platform_data raumfeld_mci_platform_data = {
723         .init                   = raumfeld_mci_init,
724         .exit                   = raumfeld_mci_exit,
725         .detect_delay_ms        = 200,
726         .gpio_card_detect       = -1,
727         .gpio_card_ro           = -1,
728         .gpio_power             = -1,
729 };
730 
731 /*
732  * External power / charge logic
733  */
734 
735 static int power_supply_init(struct device *dev)
736 {
737         return 0;
738 }
739 
740 static void power_supply_exit(struct device *dev)
741 {
742 }
743 
744 static int raumfeld_is_ac_online(void)
745 {
746         return !gpio_get_value(GPIO_CHARGE_DC_OK);
747 }
748 
749 static int raumfeld_is_usb_online(void)
750 {
751         return 0;
752 }
753 
754 static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
755 
756 static void raumfeld_power_signal_charged(void)
757 {
758         struct power_supply *psy =
759                 power_supply_get_by_name(raumfeld_power_supplicants[0]);
760 
761         if (psy)
762                 power_supply_set_battery_charged(psy);
763 }
764 
765 static int raumfeld_power_resume(void)
766 {
767         /* check if GPIO_CHARGE_DONE went low while we were sleeping */
768         if (!gpio_get_value(GPIO_CHARGE_DONE))
769                 raumfeld_power_signal_charged();
770 
771         return 0;
772 }
773 
774 static struct pda_power_pdata power_supply_info = {
775         .init                   = power_supply_init,
776         .is_ac_online           = raumfeld_is_ac_online,
777         .is_usb_online          = raumfeld_is_usb_online,
778         .exit                   = power_supply_exit,
779         .supplied_to            = raumfeld_power_supplicants,
780         .num_supplicants        = ARRAY_SIZE(raumfeld_power_supplicants),
781         .resume                 = raumfeld_power_resume,
782 };
783 
784 static struct resource power_supply_resources[] = {
785         {
786                 .name  = "ac",
787                 .flags = IORESOURCE_IRQ |
788                          IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
789                 .start = GPIO_CHARGE_DC_OK,
790                 .end   = GPIO_CHARGE_DC_OK,
791         },
792 };
793 
794 static irqreturn_t charge_done_irq(int irq, void *dev_id)
795 {
796         raumfeld_power_signal_charged();
797         return IRQ_HANDLED;
798 }
799 
800 static struct platform_device raumfeld_power_supply = {
801         .name = "pda-power",
802         .id   = -1,
803         .dev  = {
804                 .platform_data = &power_supply_info,
805         },
806         .resource      = power_supply_resources,
807         .num_resources = ARRAY_SIZE(power_supply_resources),
808 };
809 
810 static void __init raumfeld_power_init(void)
811 {
812         int ret;
813 
814         /* Set PEN2 high to enable maximum charge current */
815         ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
816         if (ret < 0)
817                 pr_warning("Unable to request GPIO_CHRG_PEN2\n");
818         else
819                 gpio_direction_output(GPIO_CHRG_PEN2, 1);
820 
821         ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
822         if (ret < 0)
823                 pr_warning("Unable to request GPIO_CHARGE_DC_OK\n");
824 
825         ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
826         if (ret < 0)
827                 pr_warning("Unable to request GPIO_CHARGE_USB_SUSP\n");
828         else
829                 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
830 
831         power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
832         power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
833 
834         ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
835                         &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
836                         "charge_done", NULL);
837 
838         if (ret < 0)
839                 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
840                         GPIO_CHARGE_DONE);
841         else
842                 platform_device_register(&raumfeld_power_supply);
843 }
844 
845 /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
846 
847 static struct regulator_consumer_supply audio_va_consumer_supply =
848         REGULATOR_SUPPLY("va", "0-0048");
849 
850 struct regulator_init_data audio_va_initdata = {
851         .consumer_supplies = &audio_va_consumer_supply,
852         .num_consumer_supplies = 1,
853         .constraints = {
854                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
855         },
856 };
857 
858 static struct fixed_voltage_config audio_va_config = {
859         .supply_name            = "audio_va",
860         .microvolts             = 5000000,
861         .gpio                   = GPIO_AUDIO_VA_ENABLE,
862         .enable_high            = 1,
863         .enabled_at_boot        = 0,
864         .init_data              = &audio_va_initdata,
865 };
866 
867 static struct platform_device audio_va_device = {
868         .name   = "reg-fixed-voltage",
869         .id     = 0,
870         .dev    = {
871                 .platform_data = &audio_va_config,
872         },
873 };
874 
875 /* Dummy supplies for Codec's VD/VLC */
876 
877 static struct regulator_consumer_supply audio_dummy_supplies[] = {
878         REGULATOR_SUPPLY("vd", "0-0048"),
879         REGULATOR_SUPPLY("vlc", "0-0048"),
880 };
881 
882 struct regulator_init_data audio_dummy_initdata = {
883         .consumer_supplies = audio_dummy_supplies,
884         .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
885         .constraints = {
886                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
887         },
888 };
889 
890 static struct fixed_voltage_config audio_dummy_config = {
891         .supply_name            = "audio_vd",
892         .microvolts             = 3300000,
893         .gpio                   = -1,
894         .init_data              = &audio_dummy_initdata,
895 };
896 
897 static struct platform_device audio_supply_dummy_device = {
898         .name   = "reg-fixed-voltage",
899         .id     = 1,
900         .dev    = {
901                 .platform_data = &audio_dummy_config,
902         },
903 };
904 
905 static struct platform_device *audio_regulator_devices[] = {
906         &audio_va_device,
907         &audio_supply_dummy_device,
908 };
909 
910 /**
911  * Regulator support via MAX8660
912  */
913 
914 static struct regulator_consumer_supply vcc_mmc_supply =
915         REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
916 
917 static struct regulator_init_data vcc_mmc_init_data = {
918         .constraints = {
919                 .min_uV                 = 3300000,
920                 .max_uV                 = 3300000,
921                 .valid_modes_mask       = REGULATOR_MODE_NORMAL,
922                 .valid_ops_mask         = REGULATOR_CHANGE_STATUS |
923                                           REGULATOR_CHANGE_VOLTAGE |
924                                           REGULATOR_CHANGE_MODE,
925         },
926         .consumer_supplies = &vcc_mmc_supply,
927         .num_consumer_supplies = 1,
928 };
929 
930 struct max8660_subdev_data max8660_v6_subdev_data = {
931         .id             = MAX8660_V6,
932         .name           = "vmmc",
933         .platform_data  = &vcc_mmc_init_data,
934 };
935 
936 static struct max8660_platform_data max8660_pdata = {
937         .subdevs = &max8660_v6_subdev_data,
938         .num_subdevs = 1,
939 };
940 
941 /**
942  * I2C devices
943  */
944 
945 static struct i2c_board_info raumfeld_pwri2c_board_info = {
946         .type           = "max8660",
947         .addr           = 0x34,
948         .platform_data  = &max8660_pdata,
949 };
950 
951 static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
952         .type   = "cs4270",
953         .addr   = 0x48,
954 };
955 
956 static struct eeti_ts_platform_data eeti_ts_pdata = {
957         .irq_active_high = 1,
958         .irq_gpio = GPIO_TOUCH_IRQ,
959 };
960 
961 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
962         .type   = "eeti_ts",
963         .addr   = 0x0a,
964         .platform_data = &eeti_ts_pdata,
965 };
966 
967 static struct platform_device *raumfeld_common_devices[] = {
968         &raumfeld_gpio_keys_device,
969         &raumfeld_led_device,
970         &raumfeld_spi_device,
971 };
972 
973 static void __init raumfeld_audio_init(void)
974 {
975         int ret;
976 
977         ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
978         if (ret < 0)
979                 pr_warning("unable to request GPIO_CODEC_RESET\n");
980         else
981                 gpio_direction_output(GPIO_CODEC_RESET, 1);
982 
983         ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
984         if (ret < 0)
985                 pr_warning("unable to request GPIO_SPDIF_RESET\n");
986         else
987                 gpio_direction_output(GPIO_SPDIF_RESET, 1);
988 
989         ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
990         if (ret < 0)
991                 pr_warning("unable to request GPIO_MCLK_RESET\n");
992         else
993                 gpio_direction_output(GPIO_MCLK_RESET, 1);
994 
995         platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
996 }
997 
998 static void __init raumfeld_common_init(void)
999 {
1000         int ret;
1001 
1002         /* The on/off button polarity has changed after revision 1 */
1003         if ((system_rev & 0xff) > 1) {
1004                 int i;
1005 
1006                 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1007                         if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1008                                 gpio_keys_button[i].active_low = 1;
1009         }
1010 
1011         enable_irq_wake(IRQ_WAKEUP0);
1012 
1013         pxa3xx_set_nand_info(&raumfeld_nand_info);
1014         pxa3xx_set_i2c_power_info(NULL);
1015         pxa_set_ohci_info(&raumfeld_ohci_info);
1016         pxa_set_mci_info(&raumfeld_mci_platform_data);
1017         pxa_set_i2c_info(NULL);
1018         pxa_set_ffuart_info(NULL);
1019 
1020         ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1021         if (ret < 0)
1022                 pr_warning("Unable to request GPIO_W2W_RESET\n");
1023         else
1024                 gpio_direction_output(GPIO_W2W_RESET, 0);
1025 
1026         ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1027         if (ret < 0)
1028                 pr_warning("Unable to request GPIO_W2W_PDN\n");
1029         else
1030                 gpio_direction_output(GPIO_W2W_PDN, 0);
1031 
1032         /* this can be used to switch off the device */
1033         ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1034         if (ret < 0)
1035                 pr_warning("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1036         else
1037                 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1038 
1039         platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1040         i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1041 }
1042 
1043 static void __init raumfeld_controller_init(void)
1044 {
1045         int ret;
1046 
1047         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1048         platform_device_register(&rotary_encoder_device);
1049         spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1050         i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1051 
1052         ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1053         if (ret < 0)
1054                 pr_warning("Unable to request GPIO_SHUTDOWN_BATT\n");
1055         else
1056                 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1057 
1058         raumfeld_common_init();
1059         raumfeld_power_init();
1060         raumfeld_lcd_init();
1061         raumfeld_w1_init();
1062 }
1063 
1064 static void __init raumfeld_connector_init(void)
1065 {
1066         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1067         spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1068         i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1069 
1070         platform_device_register(&smc91x_device);
1071 
1072         raumfeld_audio_init();
1073         raumfeld_common_init();
1074 }
1075 
1076 static void __init raumfeld_speaker_init(void)
1077 {
1078         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1079         spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1080         i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1081 
1082         platform_device_register(&smc91x_device);
1083         platform_device_register(&rotary_encoder_device);
1084 
1085         raumfeld_audio_init();
1086         raumfeld_common_init();
1087 }
1088 
1089 /* physical memory regions */
1090 #define RAUMFELD_SDRAM_BASE     0xa0000000      /* SDRAM region */
1091 
1092 #ifdef CONFIG_MACH_RAUMFELD_RC
1093 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1094         .atag_offset    = 0x100,
1095         .init_machine   = raumfeld_controller_init,
1096         .map_io         = pxa3xx_map_io,
1097         .nr_irqs        = PXA_NR_IRQS,
1098         .init_irq       = pxa3xx_init_irq,
1099         .handle_irq     = pxa3xx_handle_irq,
1100         .init_time      = pxa_timer_init,
1101         .restart        = pxa_restart,
1102 MACHINE_END
1103 #endif
1104 
1105 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1106 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1107         .atag_offset    = 0x100,
1108         .init_machine   = raumfeld_connector_init,
1109         .map_io         = pxa3xx_map_io,
1110         .nr_irqs        = PXA_NR_IRQS,
1111         .init_irq       = pxa3xx_init_irq,
1112         .handle_irq     = pxa3xx_handle_irq,
1113         .init_time      = pxa_timer_init,
1114         .restart        = pxa_restart,
1115 MACHINE_END
1116 #endif
1117 
1118 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1119 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1120         .atag_offset    = 0x100,
1121         .init_machine   = raumfeld_speaker_init,
1122         .map_io         = pxa3xx_map_io,
1123         .nr_irqs        = PXA_NR_IRQS,
1124         .init_irq       = pxa3xx_init_irq,
1125         .handle_irq     = pxa3xx_handle_irq,
1126         .init_time      = pxa_timer_init,
1127         .restart        = pxa_restart,
1128 MACHINE_END
1129 #endif
1130 

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