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x86/boot: Rename overlapping memcpy() to memmove()
[linux/fpc-iii.git] / arch / arm / mach-pxa / raumfeld.c
blob5a941bd3dbed8ebd32c11e35ec365c5a4e58b478
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/property.h>
22 #include <linux/platform_device.h>
23 #include <linux/interrupt.h>
24 #include <linux/gpio.h>
25 #include <linux/gpio/machine.h>
26 #include <linux/smsc911x.h>
27 #include <linux/input.h>
28 #include <linux/gpio_keys.h>
29 #include <linux/input/eeti_ts.h>
30 #include <linux/leds.h>
31 #include <linux/w1-gpio.h>
32 #include <linux/sched.h>
33 #include <linux/pwm.h>
34 #include <linux/pwm_backlight.h>
35 #include <linux/i2c.h>
36 #include <linux/i2c/pxa-i2c.h>
37 #include <linux/spi/spi.h>
38 #include <linux/spi/spi_gpio.h>
39 #include <linux/lis3lv02d.h>
40 #include <linux/pda_power.h>
41 #include <linux/power_supply.h>
42 #include <linux/regulator/max8660.h>
43 #include <linux/regulator/machine.h>
44 #include <linux/regulator/fixed.h>
45 #include <linux/regulator/consumer.h>
46 #include <linux/delay.h>
47
48 #include <asm/system_info.h>
49
50 #include <asm/mach-types.h>
51 #include <asm/mach/arch.h>
52
53 #include "pxa300.h"
54 #include <linux/platform_data/usb-ohci-pxa27x.h>
55 #include <linux/platform_data/video-pxafb.h>
56 #include <linux/platform_data/mmc-pxamci.h>
57 #include <linux/platform_data/mtd-nand-pxa3xx.h>
58
59 #include "generic.h"
60 #include "devices.h"
61
62 /* common GPIO definitions */
63
64 /* inputs */
65 #define GPIO_ON_OFF (14)
66 #define GPIO_VOLENC_A (19)
67 #define GPIO_VOLENC_B (20)
68 #define GPIO_CHARGE_DONE (23)
69 #define GPIO_CHARGE_IND (27)
70 #define GPIO_TOUCH_IRQ (32)
71 #define GPIO_ETH_IRQ (40)
72 #define GPIO_SPI_MISO (98)
73 #define GPIO_ACCEL_IRQ (104)
74 #define GPIO_RESCUE_BOOT (115)
75 #define GPIO_DOCK_DETECT (116)
76 #define GPIO_KEY1 (117)
77 #define GPIO_KEY2 (118)
78 #define GPIO_KEY3 (119)
79 #define GPIO_CHARGE_USB_OK (112)
80 #define GPIO_CHARGE_DC_OK (101)
81 #define GPIO_CHARGE_USB_SUSP (102)
82
83 /* outputs */
84 #define GPIO_SHUTDOWN_SUPPLY (16)
85 #define GPIO_SHUTDOWN_BATT (18)
86 #define GPIO_CHRG_PEN2 (31)
87 #define GPIO_TFT_VA_EN (33)
88 #define GPIO_SPDIF_CS (34)
89 #define GPIO_LED2 (35)
90 #define GPIO_LED1 (36)
91 #define GPIO_SPDIF_RESET (38)
92 #define GPIO_SPI_CLK (95)
93 #define GPIO_MCLK_DAC_CS (96)
94 #define GPIO_SPI_MOSI (97)
95 #define GPIO_W1_PULLUP_ENABLE (105)
96 #define GPIO_DISPLAY_ENABLE (106)
97 #define GPIO_MCLK_RESET (111)
98 #define GPIO_W2W_RESET (113)
99 #define GPIO_W2W_PDN (114)
100 #define GPIO_CODEC_RESET (120)
101 #define GPIO_AUDIO_VA_ENABLE (124)
102 #define GPIO_ACCEL_CS (125)
103 #define GPIO_ONE_WIRE (126)
104
105 /*
106 * GPIO configurations
107 */
108 static mfp_cfg_t raumfeld_controller_pin_config[] __initdata = {
109 /* UART1 */
110 GPIO77_UART1_RXD,
111 GPIO78_UART1_TXD,
112 GPIO79_UART1_CTS,
113 GPIO81_UART1_DSR,
114 GPIO83_UART1_DTR,
115 GPIO84_UART1_RTS,
116
117 /* UART3 */
118 GPIO110_UART3_RXD,
119
120 /* USB Host */
121 GPIO0_2_USBH_PEN,
122 GPIO1_2_USBH_PWR,
123
124 /* I2C */
125 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
126 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
127
128 /* SPI */
129 GPIO34_GPIO, /* SPDIF_CS */
130 GPIO96_GPIO, /* MCLK_CS */
131 GPIO125_GPIO, /* ACCEL_CS */
132
133 /* MMC */
134 GPIO3_MMC1_DAT0,
135 GPIO4_MMC1_DAT1,
136 GPIO5_MMC1_DAT2,
137 GPIO6_MMC1_DAT3,
138 GPIO7_MMC1_CLK,
139 GPIO8_MMC1_CMD,
140
141 /* One-wire */
142 GPIO126_GPIO | MFP_LPM_FLOAT,
143 GPIO105_GPIO | MFP_PULL_LOW | MFP_LPM_PULL_LOW,
144
145 /* CHRG_USB_OK */
146 GPIO101_GPIO | MFP_PULL_HIGH,
147 /* CHRG_USB_OK */
148 GPIO112_GPIO | MFP_PULL_HIGH,
149 /* CHRG_USB_SUSP */
150 GPIO102_GPIO,
151 /* DISPLAY_ENABLE */
152 GPIO106_GPIO,
153 /* DOCK_DETECT */
154 GPIO116_GPIO | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
155
156 /* LCD */
157 GPIO54_LCD_LDD_0,
158 GPIO55_LCD_LDD_1,
159 GPIO56_LCD_LDD_2,
160 GPIO57_LCD_LDD_3,
161 GPIO58_LCD_LDD_4,
162 GPIO59_LCD_LDD_5,
163 GPIO60_LCD_LDD_6,
164 GPIO61_LCD_LDD_7,
165 GPIO62_LCD_LDD_8,
166 GPIO63_LCD_LDD_9,
167 GPIO64_LCD_LDD_10,
168 GPIO65_LCD_LDD_11,
169 GPIO66_LCD_LDD_12,
170 GPIO67_LCD_LDD_13,
171 GPIO68_LCD_LDD_14,
172 GPIO69_LCD_LDD_15,
173 GPIO70_LCD_LDD_16,
174 GPIO71_LCD_LDD_17,
175 GPIO72_LCD_FCLK,
176 GPIO73_LCD_LCLK,
177 GPIO74_LCD_PCLK,
178 GPIO75_LCD_BIAS,
179 };
180
181 static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = {
182 /* UART1 */
183 GPIO77_UART1_RXD,
184 GPIO78_UART1_TXD,
185 GPIO79_UART1_CTS,
186 GPIO81_UART1_DSR,
187 GPIO83_UART1_DTR,
188 GPIO84_UART1_RTS,
189
190 /* UART3 */
191 GPIO110_UART3_RXD,
192
193 /* USB Host */
194 GPIO0_2_USBH_PEN,
195 GPIO1_2_USBH_PWR,
196
197 /* I2C */
198 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
199 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
200
201 /* SPI */
202 GPIO34_GPIO, /* SPDIF_CS */
203 GPIO96_GPIO, /* MCLK_CS */
204 GPIO125_GPIO, /* ACCEL_CS */
205
206 /* MMC */
207 GPIO3_MMC1_DAT0,
208 GPIO4_MMC1_DAT1,
209 GPIO5_MMC1_DAT2,
210 GPIO6_MMC1_DAT3,
211 GPIO7_MMC1_CLK,
212 GPIO8_MMC1_CMD,
213
214 /* Ethernet */
215 GPIO1_nCS2, /* CS */
216 GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */
217
218 /* SSP for I2S */
219 GPIO85_SSP1_SCLK,
220 GPIO89_SSP1_EXTCLK,
221 GPIO86_SSP1_FRM,
222 GPIO87_SSP1_TXD,
223 GPIO88_SSP1_RXD,
224 GPIO90_SSP1_SYSCLK,
225
226 /* SSP2 for S/PDIF */
227 GPIO25_SSP2_SCLK,
228 GPIO26_SSP2_FRM,
229 GPIO27_SSP2_TXD,
230 GPIO29_SSP2_EXTCLK,
231
232 /* LEDs */
233 GPIO35_GPIO | MFP_LPM_PULL_LOW,
234 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
235 };
236
237 static mfp_cfg_t raumfeld_speaker_pin_config[] __initdata = {
238 /* UART1 */
239 GPIO77_UART1_RXD,
240 GPIO78_UART1_TXD,
241 GPIO79_UART1_CTS,
242 GPIO81_UART1_DSR,
243 GPIO83_UART1_DTR,
244 GPIO84_UART1_RTS,
245
246 /* UART3 */
247 GPIO110_UART3_RXD,
248
249 /* USB Host */
250 GPIO0_2_USBH_PEN,
251 GPIO1_2_USBH_PWR,
252
253 /* I2C */
254 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
255 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
256
257 /* SPI */
258 GPIO34_GPIO, /* SPDIF_CS */
259 GPIO96_GPIO, /* MCLK_CS */
260 GPIO125_GPIO, /* ACCEL_CS */
261
262 /* MMC */
263 GPIO3_MMC1_DAT0,
264 GPIO4_MMC1_DAT1,
265 GPIO5_MMC1_DAT2,
266 GPIO6_MMC1_DAT3,
267 GPIO7_MMC1_CLK,
268 GPIO8_MMC1_CMD,
269
270 /* Ethernet */
271 GPIO1_nCS2, /* CS */
272 GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */
273
274 /* SSP for I2S */
275 GPIO85_SSP1_SCLK,
276 GPIO89_SSP1_EXTCLK,
277 GPIO86_SSP1_FRM,
278 GPIO87_SSP1_TXD,
279 GPIO88_SSP1_RXD,
280 GPIO90_SSP1_SYSCLK,
281
282 /* LEDs */
283 GPIO35_GPIO | MFP_LPM_PULL_LOW,
284 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
285 };
286
287 /*
288 * SMSC LAN9220 Ethernet
289 */
290
291 static struct resource smc91x_resources[] = {
292 {
293 .start = PXA3xx_CS2_PHYS,
294 .end = PXA3xx_CS2_PHYS + 0xfffff,
295 .flags = IORESOURCE_MEM,
296 },
297 {
298 .start = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
299 .end = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
300 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
301 }
302 };
303
304 static struct smsc911x_platform_config raumfeld_smsc911x_config = {
305 .phy_interface = PHY_INTERFACE_MODE_MII,
306 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
307 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
308 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
309 };
310
311 static struct platform_device smc91x_device = {
312 .name = "smsc911x",
313 .id = -1,
314 .num_resources = ARRAY_SIZE(smc91x_resources),
315 .resource = smc91x_resources,
316 .dev = {
317 .platform_data = &raumfeld_smsc911x_config,
318 }
319 };
320
321 /**
322 * NAND
323 */
324
325 static struct mtd_partition raumfeld_nand_partitions[] = {
326 {
327 .name = "Bootloader",
328 .offset = 0,
329 .size = 0xa0000,
330 .mask_flags = MTD_WRITEABLE, /* force read-only */
331 },
332 {
333 .name = "BootloaderEnvironment",
334 .offset = 0xa0000,
335 .size = 0x20000,
336 },
337 {
338 .name = "BootloaderSplashScreen",
339 .offset = 0xc0000,
340 .size = 0x60000,
341 },
342 {
343 .name = "UBI",
344 .offset = 0x120000,
345 .size = MTDPART_SIZ_FULL,
346 },
347 };
348
349 static struct pxa3xx_nand_platform_data raumfeld_nand_info = {
350 .enable_arbiter = 1,
351 .keep_config = 1,
352 .num_cs = 1,
353 .parts[0] = raumfeld_nand_partitions,
354 .nr_parts[0] = ARRAY_SIZE(raumfeld_nand_partitions),
355 };
356
357 /**
358 * USB (OHCI) support
359 */
360
361 static struct pxaohci_platform_data raumfeld_ohci_info = {
362 .port_mode = PMM_GLOBAL_MODE,
363 .flags = ENABLE_PORT1,
364 };
365
366 /**
367 * Rotary encoder input device
368 */
369
370 static struct gpiod_lookup_table raumfeld_rotary_gpios_table = {
371 .dev_id = "rotary-encoder.0",
372 .table = {
373 GPIO_LOOKUP_IDX("gpio-0",
374 GPIO_VOLENC_A, NULL, 0, GPIO_ACTIVE_LOW),
375 GPIO_LOOKUP_IDX("gpio-0",
376 GPIO_VOLENC_B, NULL, 1, GPIO_ACTIVE_HIGH),
377 { },
378 },
379 };
380
381 static struct property_entry raumfeld_rotary_properties[] = {
382 PROPERTY_ENTRY_INTEGER("rotary-encoder,steps-per-period", u32, 24),
383 PROPERTY_ENTRY_INTEGER("linux,axis", u32, REL_X),
384 PROPERTY_ENTRY_INTEGER("rotary-encoder,relative_axis", u32, 1),
385 { },
386 };
387
388 static struct property_set raumfeld_rotary_property_set = {
389 .properties = raumfeld_rotary_properties,
390 };
391
392 static struct platform_device rotary_encoder_device = {
393 .name = "rotary-encoder",
394 .id = 0,
395 };
396
397 /**
398 * GPIO buttons
399 */
400
401 static struct gpio_keys_button gpio_keys_button[] = {
402 {
403 .code = KEY_F1,
404 .type = EV_KEY,
405 .gpio = GPIO_KEY1,
406 .active_low = 1,
407 .wakeup = 0,
408 .debounce_interval = 5, /* ms */
409 .desc = "Button 1",
410 },
411 {
412 .code = KEY_F2,
413 .type = EV_KEY,
414 .gpio = GPIO_KEY2,
415 .active_low = 1,
416 .wakeup = 0,
417 .debounce_interval = 5, /* ms */
418 .desc = "Button 2",
419 },
420 {
421 .code = KEY_F3,
422 .type = EV_KEY,
423 .gpio = GPIO_KEY3,
424 .active_low = 1,
425 .wakeup = 0,
426 .debounce_interval = 5, /* ms */
427 .desc = "Button 3",
428 },
429 {
430 .code = KEY_F4,
431 .type = EV_KEY,
432 .gpio = GPIO_RESCUE_BOOT,
433 .active_low = 0,
434 .wakeup = 0,
435 .debounce_interval = 5, /* ms */
436 .desc = "rescue boot button",
437 },
438 {
439 .code = KEY_F5,
440 .type = EV_KEY,
441 .gpio = GPIO_DOCK_DETECT,
442 .active_low = 1,
443 .wakeup = 0,
444 .debounce_interval = 5, /* ms */
445 .desc = "dock detect",
446 },
447 {
448 .code = KEY_F6,
449 .type = EV_KEY,
450 .gpio = GPIO_ON_OFF,
451 .active_low = 0,
452 .wakeup = 0,
453 .debounce_interval = 5, /* ms */
454 .desc = "on_off button",
455 },
456 };
457
458 static struct gpio_keys_platform_data gpio_keys_platform_data = {
459 .buttons = gpio_keys_button,
460 .nbuttons = ARRAY_SIZE(gpio_keys_button),
461 .rep = 0,
462 };
463
464 static struct platform_device raumfeld_gpio_keys_device = {
465 .name = "gpio-keys",
466 .id = -1,
467 .dev = {
468 .platform_data = &gpio_keys_platform_data,
469 }
470 };
471
472 /**
473 * GPIO LEDs
474 */
475
476 static struct gpio_led raumfeld_leds[] = {
477 {
478 .name = "raumfeld:1",
479 .gpio = GPIO_LED1,
480 .active_low = 1,
481 .default_state = LEDS_GPIO_DEFSTATE_ON,
482 },
483 {
484 .name = "raumfeld:2",
485 .gpio = GPIO_LED2,
486 .active_low = 0,
487 .default_state = LEDS_GPIO_DEFSTATE_OFF,
488 }
489 };
490
491 static struct gpio_led_platform_data raumfeld_led_platform_data = {
492 .leds = raumfeld_leds,
493 .num_leds = ARRAY_SIZE(raumfeld_leds),
494 };
495
496 static struct platform_device raumfeld_led_device = {
497 .name = "leds-gpio",
498 .id = -1,
499 .dev = {
500 .platform_data = &raumfeld_led_platform_data,
501 },
502 };
503
504 /**
505 * One-wire (W1 bus) support
506 */
507
508 static void w1_enable_external_pullup(int enable)
509 {
510 gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
511 msleep(100);
512 }
513
514 static struct w1_gpio_platform_data w1_gpio_platform_data = {
515 .pin = GPIO_ONE_WIRE,
516 .is_open_drain = 0,
517 .enable_external_pullup = w1_enable_external_pullup,
518 .ext_pullup_enable_pin = -EINVAL,
519 };
520
521 static struct platform_device raumfeld_w1_gpio_device = {
522 .name = "w1-gpio",
523 .dev = {
524 .platform_data = &w1_gpio_platform_data
525 }
526 };
527
528 static void __init raumfeld_w1_init(void)
529 {
530 int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
531 "W1 external pullup enable");
532
533 if (ret < 0)
534 pr_warn("Unable to request GPIO_W1_PULLUP_ENABLE\n");
535 else
536 gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
537
538 platform_device_register(&raumfeld_w1_gpio_device);
539 }
540
541 /**
542 * Framebuffer device
543 */
544
545 static struct pwm_lookup raumfeld_pwm_lookup[] = {
546 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 10000,
547 PWM_POLARITY_NORMAL),
548 };
549
550 /* PWM controlled backlight */
551 static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
552 .max_brightness = 100,
553 .dft_brightness = 100,
554 .enable_gpio = -1,
555 };
556
557 static struct platform_device raumfeld_pwm_backlight_device = {
558 .name = "pwm-backlight",
559 .dev = {
560 .parent = &pxa27x_device_pwm0.dev,
561 .platform_data = &raumfeld_pwm_backlight_data,
562 }
563 };
564
565 /* LT3593 controlled backlight */
566 static struct gpio_led raumfeld_lt3593_led = {
567 .name = "backlight",
568 .gpio = mfp_to_gpio(MFP_PIN_GPIO17),
569 .default_state = LEDS_GPIO_DEFSTATE_ON,
570 };
571
572 static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
573 .leds = &raumfeld_lt3593_led,
574 .num_leds = 1,
575 };
576
577 static struct platform_device raumfeld_lt3593_device = {
578 .name = "leds-lt3593",
579 .id = -1,
580 .dev = {
581 .platform_data = &raumfeld_lt3593_platform_data,
582 },
583 };
584
585 static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
586 .pixclock = 111000,
587 .xres = 480,
588 .yres = 272,
589 .bpp = 16,
590 .hsync_len = 41,
591 .left_margin = 2,
592 .right_margin = 1,
593 .vsync_len = 10,
594 .upper_margin = 3,
595 .lower_margin = 1,
596 .sync = 0,
597 };
598
599 static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
600 .modes = &sharp_lq043t3dx02_mode,
601 .num_modes = 1,
602 .video_mem_size = 0x400000,
603 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
604 #ifdef CONFIG_PXA3XX_GCU
605 .acceleration_enabled = 1,
606 #endif
607 };
608
609 static void __init raumfeld_lcd_init(void)
610 {
611 int ret;
612
613 ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
614 if (ret < 0)
615 pr_warn("Unable to request GPIO_TFT_VA_EN\n");
616 else
617 gpio_direction_output(GPIO_TFT_VA_EN, 1);
618
619 msleep(100);
620
621 ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
622 if (ret < 0)
623 pr_warn("Unable to request GPIO_DISPLAY_ENABLE\n");
624 else
625 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
626
627 /* Hardware revision 2 has the backlight regulator controlled
628 * by an LT3593, earlier and later devices use PWM for that. */
629 if ((system_rev & 0xff) == 2) {
630 platform_device_register(&raumfeld_lt3593_device);
631 } else {
632 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
633 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
634 pwm_add_table(raumfeld_pwm_lookup,
635 ARRAY_SIZE(raumfeld_pwm_lookup));
636 platform_device_register(&raumfeld_pwm_backlight_device);
637 }
638
639 pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
640 platform_device_register(&pxa3xx_device_gcu);
641 }
642
643 /**
644 * SPI devices
645 */
646
647 static struct spi_gpio_platform_data raumfeld_spi_platform_data = {
648 .sck = GPIO_SPI_CLK,
649 .mosi = GPIO_SPI_MOSI,
650 .miso = GPIO_SPI_MISO,
651 .num_chipselect = 3,
652 };
653
654 static struct platform_device raumfeld_spi_device = {
655 .name = "spi_gpio",
656 .id = 0,
657 .dev = {
658 .platform_data = &raumfeld_spi_platform_data,
659 }
660 };
661
662 static struct lis3lv02d_platform_data lis3_pdata = {
663 .click_flags = LIS3_CLICK_SINGLE_X |
664 LIS3_CLICK_SINGLE_Y |
665 LIS3_CLICK_SINGLE_Z,
666 .irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
667 .wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
668 LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
669 LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
670 .wakeup_thresh = 10,
671 .click_thresh_x = 10,
672 .click_thresh_y = 10,
673 .click_thresh_z = 10,
674 };
675
676 #define SPI_AK4104 \
677 { \
678 .modalias = "ak4104-codec", \
679 .max_speed_hz = 10000, \
680 .bus_num = 0, \
681 .chip_select = 0, \
682 .controller_data = (void *) GPIO_SPDIF_CS, \
683 }
684
685 #define SPI_LIS3 \
686 { \
687 .modalias = "lis3lv02d_spi", \
688 .max_speed_hz = 1000000, \
689 .bus_num = 0, \
690 .chip_select = 1, \
691 .controller_data = (void *) GPIO_ACCEL_CS, \
692 .platform_data = &lis3_pdata, \
693 .irq = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ), \
694 }
695
696 #define SPI_DAC7512 \
697 { \
698 .modalias = "dac7512", \
699 .max_speed_hz = 1000000, \
700 .bus_num = 0, \
701 .chip_select = 2, \
702 .controller_data = (void *) GPIO_MCLK_DAC_CS, \
703 }
704
705 static struct spi_board_info connector_spi_devices[] __initdata = {
706 SPI_AK4104,
707 SPI_DAC7512,
708 };
709
710 static struct spi_board_info speaker_spi_devices[] __initdata = {
711 SPI_DAC7512,
712 };
713
714 static struct spi_board_info controller_spi_devices[] __initdata = {
715 SPI_LIS3,
716 };
717
718 /**
719 * MMC for Marvell Libertas 8688 via SDIO
720 */
721
722 static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
723 {
724 gpio_set_value(GPIO_W2W_RESET, 1);
725 gpio_set_value(GPIO_W2W_PDN, 1);
726
727 return 0;
728 }
729
730 static void raumfeld_mci_exit(struct device *dev, void *data)
731 {
732 gpio_set_value(GPIO_W2W_RESET, 0);
733 gpio_set_value(GPIO_W2W_PDN, 0);
734 }
735
736 static struct pxamci_platform_data raumfeld_mci_platform_data = {
737 .init = raumfeld_mci_init,
738 .exit = raumfeld_mci_exit,
739 .detect_delay_ms = 200,
740 .gpio_card_detect = -1,
741 .gpio_card_ro = -1,
742 .gpio_power = -1,
743 };
744
745 /*
746 * External power / charge logic
747 */
748
749 static int power_supply_init(struct device *dev)
750 {
751 return 0;
752 }
753
754 static void power_supply_exit(struct device *dev)
755 {
756 }
757
758 static int raumfeld_is_ac_online(void)
759 {
760 return !gpio_get_value(GPIO_CHARGE_DC_OK);
761 }
762
763 static int raumfeld_is_usb_online(void)
764 {
765 return 0;
766 }
767
768 static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
769
770 static void raumfeld_power_signal_charged(void)
771 {
772 struct power_supply *psy =
773 power_supply_get_by_name(raumfeld_power_supplicants[0]);
774
775 if (psy) {
776 power_supply_set_battery_charged(psy);
777 power_supply_put(psy);
778 }
779 }
780
781 static int raumfeld_power_resume(void)
782 {
783 /* check if GPIO_CHARGE_DONE went low while we were sleeping */
784 if (!gpio_get_value(GPIO_CHARGE_DONE))
785 raumfeld_power_signal_charged();
786
787 return 0;
788 }
789
790 static struct pda_power_pdata power_supply_info = {
791 .init = power_supply_init,
792 .is_ac_online = raumfeld_is_ac_online,
793 .is_usb_online = raumfeld_is_usb_online,
794 .exit = power_supply_exit,
795 .supplied_to = raumfeld_power_supplicants,
796 .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants),
797 .resume = raumfeld_power_resume,
798 };
799
800 static struct resource power_supply_resources[] = {
801 {
802 .name = "ac",
803 .flags = IORESOURCE_IRQ |
804 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
805 .start = GPIO_CHARGE_DC_OK,
806 .end = GPIO_CHARGE_DC_OK,
807 },
808 };
809
810 static irqreturn_t charge_done_irq(int irq, void *dev_id)
811 {
812 raumfeld_power_signal_charged();
813 return IRQ_HANDLED;
814 }
815
816 static struct platform_device raumfeld_power_supply = {
817 .name = "pda-power",
818 .id = -1,
819 .dev = {
820 .platform_data = &power_supply_info,
821 },
822 .resource = power_supply_resources,
823 .num_resources = ARRAY_SIZE(power_supply_resources),
824 };
825
826 static void __init raumfeld_power_init(void)
827 {
828 int ret;
829
830 /* Set PEN2 high to enable maximum charge current */
831 ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
832 if (ret < 0)
833 pr_warn("Unable to request GPIO_CHRG_PEN2\n");
834 else
835 gpio_direction_output(GPIO_CHRG_PEN2, 1);
836
837 ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
838 if (ret < 0)
839 pr_warn("Unable to request GPIO_CHARGE_DC_OK\n");
840
841 ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
842 if (ret < 0)
843 pr_warn("Unable to request GPIO_CHARGE_USB_SUSP\n");
844 else
845 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
846
847 power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
848 power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
849
850 ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
851 &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
852 "charge_done", NULL);
853
854 if (ret < 0)
855 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
856 GPIO_CHARGE_DONE);
857 else
858 platform_device_register(&raumfeld_power_supply);
859 }
860
861 /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
862
863 static struct regulator_consumer_supply audio_va_consumer_supply =
864 REGULATOR_SUPPLY("va", "0-0048");
865
866 static struct regulator_init_data audio_va_initdata = {
867 .consumer_supplies = &audio_va_consumer_supply,
868 .num_consumer_supplies = 1,
869 .constraints = {
870 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
871 },
872 };
873
874 static struct fixed_voltage_config audio_va_config = {
875 .supply_name = "audio_va",
876 .microvolts = 5000000,
877 .gpio = GPIO_AUDIO_VA_ENABLE,
878 .enable_high = 1,
879 .enabled_at_boot = 0,
880 .init_data = &audio_va_initdata,
881 };
882
883 static struct platform_device audio_va_device = {
884 .name = "reg-fixed-voltage",
885 .id = 0,
886 .dev = {
887 .platform_data = &audio_va_config,
888 },
889 };
890
891 /* Dummy supplies for Codec's VD/VLC */
892
893 static struct regulator_consumer_supply audio_dummy_supplies[] = {
894 REGULATOR_SUPPLY("vd", "0-0048"),
895 REGULATOR_SUPPLY("vlc", "0-0048"),
896 };
897
898 static struct regulator_init_data audio_dummy_initdata = {
899 .consumer_supplies = audio_dummy_supplies,
900 .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
901 .constraints = {
902 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
903 },
904 };
905
906 static struct fixed_voltage_config audio_dummy_config = {
907 .supply_name = "audio_vd",
908 .microvolts = 3300000,
909 .gpio = -1,
910 .init_data = &audio_dummy_initdata,
911 };
912
913 static struct platform_device audio_supply_dummy_device = {
914 .name = "reg-fixed-voltage",
915 .id = 1,
916 .dev = {
917 .platform_data = &audio_dummy_config,
918 },
919 };
920
921 static struct platform_device *audio_regulator_devices[] = {
922 &audio_va_device,
923 &audio_supply_dummy_device,
924 };
925
926 /**
927 * Regulator support via MAX8660
928 */
929
930 static struct regulator_consumer_supply vcc_mmc_supply =
931 REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
932
933 static struct regulator_init_data vcc_mmc_init_data = {
934 .constraints = {
935 .min_uV = 3300000,
936 .max_uV = 3300000,
937 .valid_modes_mask = REGULATOR_MODE_NORMAL,
938 .valid_ops_mask = REGULATOR_CHANGE_STATUS |
939 REGULATOR_CHANGE_VOLTAGE |
940 REGULATOR_CHANGE_MODE,
941 },
942 .consumer_supplies = &vcc_mmc_supply,
943 .num_consumer_supplies = 1,
944 };
945
946 static struct max8660_subdev_data max8660_v6_subdev_data = {
947 .id = MAX8660_V6,
948 .name = "vmmc",
949 .platform_data = &vcc_mmc_init_data,
950 };
951
952 static struct max8660_platform_data max8660_pdata = {
953 .subdevs = &max8660_v6_subdev_data,
954 .num_subdevs = 1,
955 };
956
957 /**
958 * I2C devices
959 */
960
961 static struct i2c_board_info raumfeld_pwri2c_board_info = {
962 .type = "max8660",
963 .addr = 0x34,
964 .platform_data = &max8660_pdata,
965 };
966
967 static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
968 .type = "cs4270",
969 .addr = 0x48,
970 };
971
972 static struct eeti_ts_platform_data eeti_ts_pdata = {
973 .irq_active_high = 1,
974 .irq_gpio = GPIO_TOUCH_IRQ,
975 };
976
977 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
978 .type = "eeti_ts",
979 .addr = 0x0a,
980 .platform_data = &eeti_ts_pdata,
981 };
982
983 static struct platform_device *raumfeld_common_devices[] = {
984 &raumfeld_gpio_keys_device,
985 &raumfeld_led_device,
986 &raumfeld_spi_device,
987 };
988
989 static void __init raumfeld_audio_init(void)
990 {
991 int ret;
992
993 ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
994 if (ret < 0)
995 pr_warn("unable to request GPIO_CODEC_RESET\n");
996 else
997 gpio_direction_output(GPIO_CODEC_RESET, 1);
998
999 ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
1000 if (ret < 0)
1001 pr_warn("unable to request GPIO_SPDIF_RESET\n");
1002 else
1003 gpio_direction_output(GPIO_SPDIF_RESET, 1);
1004
1005 ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
1006 if (ret < 0)
1007 pr_warn("unable to request GPIO_MCLK_RESET\n");
1008 else
1009 gpio_direction_output(GPIO_MCLK_RESET, 1);
1010
1011 platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
1012 }
1013
1014 static void __init raumfeld_common_init(void)
1015 {
1016 int ret;
1017
1018 /* The on/off button polarity has changed after revision 1 */
1019 if ((system_rev & 0xff) > 1) {
1020 int i;
1021
1022 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1023 if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1024 gpio_keys_button[i].active_low = 1;
1025 }
1026
1027 enable_irq_wake(IRQ_WAKEUP0);
1028
1029 pxa3xx_set_nand_info(&raumfeld_nand_info);
1030 pxa3xx_set_i2c_power_info(NULL);
1031 pxa_set_ohci_info(&raumfeld_ohci_info);
1032 pxa_set_mci_info(&raumfeld_mci_platform_data);
1033 pxa_set_i2c_info(NULL);
1034 pxa_set_ffuart_info(NULL);
1035
1036 ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1037 if (ret < 0)
1038 pr_warn("Unable to request GPIO_W2W_RESET\n");
1039 else
1040 gpio_direction_output(GPIO_W2W_RESET, 0);
1041
1042 ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1043 if (ret < 0)
1044 pr_warn("Unable to request GPIO_W2W_PDN\n");
1045 else
1046 gpio_direction_output(GPIO_W2W_PDN, 0);
1047
1048 /* this can be used to switch off the device */
1049 ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1050 if (ret < 0)
1051 pr_warn("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1052 else
1053 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1054
1055 platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1056 i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1057 }
1058
1059 static void __init __maybe_unused raumfeld_controller_init(void)
1060 {
1061 int ret;
1062
1063 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1064
1065 gpiod_add_lookup_table(&raumfeld_rotary_gpios_table);
1066 device_add_property_set(&rotary_encoder_device.dev,
1067 &raumfeld_rotary_property_set);
1068 platform_device_register(&rotary_encoder_device);
1069
1070 spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1071 i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1072
1073 ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1074 if (ret < 0)
1075 pr_warn("Unable to request GPIO_SHUTDOWN_BATT\n");
1076 else
1077 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1078
1079 raumfeld_common_init();
1080 raumfeld_power_init();
1081 raumfeld_lcd_init();
1082 raumfeld_w1_init();
1083 }
1084
1085 static void __init __maybe_unused raumfeld_connector_init(void)
1086 {
1087 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1088 spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1089 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1090
1091 platform_device_register(&smc91x_device);
1092
1093 raumfeld_audio_init();
1094 raumfeld_common_init();
1095 }
1096
1097 static void __init __maybe_unused raumfeld_speaker_init(void)
1098 {
1099 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1100 spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1101 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1102
1103 platform_device_register(&smc91x_device);
1104
1105 gpiod_add_lookup_table(&raumfeld_rotary_gpios_table);
1106 device_add_property_set(&rotary_encoder_device.dev,
1107 &raumfeld_rotary_property_set);
1108 platform_device_register(&rotary_encoder_device);
1109
1110 raumfeld_audio_init();
1111 raumfeld_common_init();
1112 }
1113
1114 /* physical memory regions */
1115 #define RAUMFELD_SDRAM_BASE 0xa0000000 /* SDRAM region */
1116
1117 #ifdef CONFIG_MACH_RAUMFELD_RC
1118 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1119 .atag_offset = 0x100,
1120 .init_machine = raumfeld_controller_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
1129
1130 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1131 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1132 .atag_offset = 0x100,
1133 .init_machine = raumfeld_connector_init,
1134 .map_io = pxa3xx_map_io,
1135 .nr_irqs = PXA_NR_IRQS,
1136 .init_irq = pxa3xx_init_irq,
1137 .handle_irq = pxa3xx_handle_irq,
1138 .init_time = pxa_timer_init,
1139 .restart = pxa_restart,
1140 MACHINE_END
1141 #endif
1142
1143 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1144 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1145 .atag_offset = 0x100,
1146 .init_machine = raumfeld_speaker_init,
1147 .map_io = pxa3xx_map_io,
1148 .nr_irqs = PXA_NR_IRQS,
1149 .init_irq = pxa3xx_init_irq,
1150 .handle_irq = pxa3xx_handle_irq,
1151 .init_time = pxa_timer_init,
1152 .restart = pxa_restart,
1153 MACHINE_END
1154 #endif
Linux with added FPC-III support