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MIPS: Yosemite, Emma: Fix off-by-two in arcs_cmdline buffer size check
[linux-2.6/linux-mips.git] / arch / arm / mach-pxa / raumfeld.c
blob6810cddec9277d47d1cceeb61a5664f528cb4b67
1 /*
2 * arch/arm/mach-pxa/raumfeld.c
3 *
4 * Support for the following Raumfeld devices:
5 *
6 * * Controller
7 * * Connector
8 * * Speaker S/M
9 *
10 * See http://www.raumfeld.com for details.
11 *
12 * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
17 */
18
19 #include <linux/init.h>
20 #include <linux/kernel.h>
21 #include <linux/platform_device.h>
22 #include <linux/interrupt.h>
23 #include <linux/gpio.h>
24 #include <linux/smsc911x.h>
25 #include <linux/input.h>
26 #include <linux/rotary_encoder.h>
27 #include <linux/gpio_keys.h>
28 #include <linux/input/eeti_ts.h>
29 #include <linux/leds.h>
30 #include <linux/w1-gpio.h>
31 #include <linux/sched.h>
32 #include <linux/pwm_backlight.h>
33 #include <linux/i2c.h>
34 #include <linux/i2c/pxa-i2c.h>
35 #include <linux/spi/spi.h>
36 #include <linux/spi/spi_gpio.h>
37 #include <linux/lis3lv02d.h>
38 #include <linux/pda_power.h>
39 #include <linux/power_supply.h>
40 #include <linux/regulator/max8660.h>
41 #include <linux/regulator/machine.h>
42 #include <linux/regulator/fixed.h>
43 #include <linux/regulator/consumer.h>
44 #include <linux/delay.h>
45
46 #include <asm/mach-types.h>
47 #include <asm/mach/arch.h>
48
49 #include <mach/pxa300.h>
50 #include <mach/ohci.h>
51 #include <mach/pxafb.h>
52 #include <mach/mmc.h>
53 #include <plat/pxa3xx_nand.h>
54
55 #include "generic.h"
56 #include "devices.h"
57 #include "clock.h"
58
59 /* common GPIO definitions */
60
61 /* inputs */
62 #define GPIO_ON_OFF (14)
63 #define GPIO_VOLENC_A (19)
64 #define GPIO_VOLENC_B (20)
65 #define GPIO_CHARGE_DONE (23)
66 #define GPIO_CHARGE_IND (27)
67 #define GPIO_TOUCH_IRQ (32)
68 #define GPIO_ETH_IRQ (40)
69 #define GPIO_SPI_MISO (98)
70 #define GPIO_ACCEL_IRQ (104)
71 #define GPIO_RESCUE_BOOT (115)
72 #define GPIO_DOCK_DETECT (116)
73 #define GPIO_KEY1 (117)
74 #define GPIO_KEY2 (118)
75 #define GPIO_KEY3 (119)
76 #define GPIO_CHARGE_USB_OK (112)
77 #define GPIO_CHARGE_DC_OK (101)
78 #define GPIO_CHARGE_USB_SUSP (102)
79
80 /* outputs */
81 #define GPIO_SHUTDOWN_SUPPLY (16)
82 #define GPIO_SHUTDOWN_BATT (18)
83 #define GPIO_CHRG_PEN2 (31)
84 #define GPIO_TFT_VA_EN (33)
85 #define GPIO_SPDIF_CS (34)
86 #define GPIO_LED2 (35)
87 #define GPIO_LED1 (36)
88 #define GPIO_SPDIF_RESET (38)
89 #define GPIO_SPI_CLK (95)
90 #define GPIO_MCLK_DAC_CS (96)
91 #define GPIO_SPI_MOSI (97)
92 #define GPIO_W1_PULLUP_ENABLE (105)
93 #define GPIO_DISPLAY_ENABLE (106)
94 #define GPIO_MCLK_RESET (111)
95 #define GPIO_W2W_RESET (113)
96 #define GPIO_W2W_PDN (114)
97 #define GPIO_CODEC_RESET (120)
98 #define GPIO_AUDIO_VA_ENABLE (124)
99 #define GPIO_ACCEL_CS (125)
100 #define GPIO_ONE_WIRE (126)
101
102 /*
103 * GPIO configurations
104 */
105 static mfp_cfg_t raumfeld_controller_pin_config[] __initdata = {
106 /* UART1 */
107 GPIO77_UART1_RXD,
108 GPIO78_UART1_TXD,
109 GPIO79_UART1_CTS,
110 GPIO81_UART1_DSR,
111 GPIO83_UART1_DTR,
112 GPIO84_UART1_RTS,
113
114 /* UART3 */
115 GPIO110_UART3_RXD,
116
117 /* USB Host */
118 GPIO0_2_USBH_PEN,
119 GPIO1_2_USBH_PWR,
120
121 /* I2C */
122 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
123 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
124
125 /* SPI */
126 GPIO34_GPIO, /* SPDIF_CS */
127 GPIO96_GPIO, /* MCLK_CS */
128 GPIO125_GPIO, /* ACCEL_CS */
129
130 /* MMC */
131 GPIO3_MMC1_DAT0,
132 GPIO4_MMC1_DAT1,
133 GPIO5_MMC1_DAT2,
134 GPIO6_MMC1_DAT3,
135 GPIO7_MMC1_CLK,
136 GPIO8_MMC1_CMD,
137
138 /* One-wire */
139 GPIO126_GPIO | MFP_LPM_FLOAT,
140 GPIO105_GPIO | MFP_PULL_LOW | MFP_LPM_PULL_LOW,
141
142 /* CHRG_USB_OK */
143 GPIO101_GPIO | MFP_PULL_HIGH,
144 /* CHRG_USB_OK */
145 GPIO112_GPIO | MFP_PULL_HIGH,
146 /* CHRG_USB_SUSP */
147 GPIO102_GPIO,
148 /* DISPLAY_ENABLE */
149 GPIO106_GPIO,
150 /* DOCK_DETECT */
151 GPIO116_GPIO | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
152
153 /* LCD */
154 GPIO54_LCD_LDD_0,
155 GPIO55_LCD_LDD_1,
156 GPIO56_LCD_LDD_2,
157 GPIO57_LCD_LDD_3,
158 GPIO58_LCD_LDD_4,
159 GPIO59_LCD_LDD_5,
160 GPIO60_LCD_LDD_6,
161 GPIO61_LCD_LDD_7,
162 GPIO62_LCD_LDD_8,
163 GPIO63_LCD_LDD_9,
164 GPIO64_LCD_LDD_10,
165 GPIO65_LCD_LDD_11,
166 GPIO66_LCD_LDD_12,
167 GPIO67_LCD_LDD_13,
168 GPIO68_LCD_LDD_14,
169 GPIO69_LCD_LDD_15,
170 GPIO70_LCD_LDD_16,
171 GPIO71_LCD_LDD_17,
172 GPIO72_LCD_FCLK,
173 GPIO73_LCD_LCLK,
174 GPIO74_LCD_PCLK,
175 GPIO75_LCD_BIAS,
176 };
177
178 static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = {
179 /* UART1 */
180 GPIO77_UART1_RXD,
181 GPIO78_UART1_TXD,
182 GPIO79_UART1_CTS,
183 GPIO81_UART1_DSR,
184 GPIO83_UART1_DTR,
185 GPIO84_UART1_RTS,
186
187 /* UART3 */
188 GPIO110_UART3_RXD,
189
190 /* USB Host */
191 GPIO0_2_USBH_PEN,
192 GPIO1_2_USBH_PWR,
193
194 /* I2C */
195 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
196 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
197
198 /* SPI */
199 GPIO34_GPIO, /* SPDIF_CS */
200 GPIO96_GPIO, /* MCLK_CS */
201 GPIO125_GPIO, /* ACCEL_CS */
202
203 /* MMC */
204 GPIO3_MMC1_DAT0,
205 GPIO4_MMC1_DAT1,
206 GPIO5_MMC1_DAT2,
207 GPIO6_MMC1_DAT3,
208 GPIO7_MMC1_CLK,
209 GPIO8_MMC1_CMD,
210
211 /* Ethernet */
212 GPIO1_nCS2, /* CS */
213 GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */
214
215 /* SSP for I2S */
216 GPIO85_SSP1_SCLK,
217 GPIO89_SSP1_EXTCLK,
218 GPIO86_SSP1_FRM,
219 GPIO87_SSP1_TXD,
220 GPIO88_SSP1_RXD,
221 GPIO90_SSP1_SYSCLK,
222
223 /* SSP2 for S/PDIF */
224 GPIO25_SSP2_SCLK,
225 GPIO26_SSP2_FRM,
226 GPIO27_SSP2_TXD,
227 GPIO29_SSP2_EXTCLK,
228
229 /* LEDs */
230 GPIO35_GPIO | MFP_LPM_PULL_LOW,
231 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
232 };
233
234 static mfp_cfg_t raumfeld_speaker_pin_config[] __initdata = {
235 /* UART1 */
236 GPIO77_UART1_RXD,
237 GPIO78_UART1_TXD,
238 GPIO79_UART1_CTS,
239 GPIO81_UART1_DSR,
240 GPIO83_UART1_DTR,
241 GPIO84_UART1_RTS,
242
243 /* UART3 */
244 GPIO110_UART3_RXD,
245
246 /* USB Host */
247 GPIO0_2_USBH_PEN,
248 GPIO1_2_USBH_PWR,
249
250 /* I2C */
251 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
252 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
253
254 /* SPI */
255 GPIO34_GPIO, /* SPDIF_CS */
256 GPIO96_GPIO, /* MCLK_CS */
257 GPIO125_GPIO, /* ACCEL_CS */
258
259 /* MMC */
260 GPIO3_MMC1_DAT0,
261 GPIO4_MMC1_DAT1,
262 GPIO5_MMC1_DAT2,
263 GPIO6_MMC1_DAT3,
264 GPIO7_MMC1_CLK,
265 GPIO8_MMC1_CMD,
266
267 /* Ethernet */
268 GPIO1_nCS2, /* CS */
269 GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */
270
271 /* SSP for I2S */
272 GPIO85_SSP1_SCLK,
273 GPIO89_SSP1_EXTCLK,
274 GPIO86_SSP1_FRM,
275 GPIO87_SSP1_TXD,
276 GPIO88_SSP1_RXD,
277 GPIO90_SSP1_SYSCLK,
278
279 /* LEDs */
280 GPIO35_GPIO | MFP_LPM_PULL_LOW,
281 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
282 };
283
284 /*
285 * SMSC LAN9220 Ethernet
286 */
287
288 static struct resource smc91x_resources[] = {
289 {
290 .start = PXA3xx_CS2_PHYS,
291 .end = PXA3xx_CS2_PHYS + 0xfffff,
292 .flags = IORESOURCE_MEM,
293 },
294 {
295 .start = gpio_to_irq(GPIO_ETH_IRQ),
296 .end = gpio_to_irq(GPIO_ETH_IRQ),
297 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
298 }
299 };
300
301 static struct smsc911x_platform_config raumfeld_smsc911x_config = {
302 .phy_interface = PHY_INTERFACE_MODE_MII,
303 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
304 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
305 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
306 };
307
308 static struct platform_device smc91x_device = {
309 .name = "smsc911x",
310 .id = -1,
311 .num_resources = ARRAY_SIZE(smc91x_resources),
312 .resource = smc91x_resources,
313 .dev = {
314 .platform_data = &raumfeld_smsc911x_config,
315 }
316 };
317
318 /**
319 * NAND
320 */
321
322 static struct mtd_partition raumfeld_nand_partitions[] = {
323 {
324 .name = "Bootloader",
325 .offset = 0,
326 .size = 0xa0000,
327 .mask_flags = MTD_WRITEABLE, /* force read-only */
328 },
329 {
330 .name = "BootloaderEnvironment",
331 .offset = 0xa0000,
332 .size = 0x20000,
333 },
334 {
335 .name = "BootloaderSplashScreen",
336 .offset = 0xc0000,
337 .size = 0x60000,
338 },
339 {
340 .name = "UBI",
341 .offset = 0x120000,
342 .size = MTDPART_SIZ_FULL,
343 },
344 };
345
346 static struct pxa3xx_nand_platform_data raumfeld_nand_info = {
347 .enable_arbiter = 1,
348 .keep_config = 1,
349 .parts = raumfeld_nand_partitions,
350 .nr_parts = ARRAY_SIZE(raumfeld_nand_partitions),
351 };
352
353 /**
354 * USB (OHCI) support
355 */
356
357 static struct pxaohci_platform_data raumfeld_ohci_info = {
358 .port_mode = PMM_GLOBAL_MODE,
359 .flags = ENABLE_PORT1,
360 };
361
362 /**
363 * Rotary encoder input device
364 */
365
366 static struct rotary_encoder_platform_data raumfeld_rotary_encoder_info = {
367 .steps = 24,
368 .axis = REL_X,
369 .relative_axis = 1,
370 .gpio_a = GPIO_VOLENC_A,
371 .gpio_b = GPIO_VOLENC_B,
372 .inverted_a = 1,
373 .inverted_b = 0,
374 };
375
376 static struct platform_device rotary_encoder_device = {
377 .name = "rotary-encoder",
378 .id = 0,
379 .dev = {
380 .platform_data = &raumfeld_rotary_encoder_info,
381 }
382 };
383
384 /**
385 * GPIO buttons
386 */
387
388 static struct gpio_keys_button gpio_keys_button[] = {
389 {
390 .code = KEY_F1,
391 .type = EV_KEY,
392 .gpio = GPIO_KEY1,
393 .active_low = 1,
394 .wakeup = 0,
395 .debounce_interval = 5, /* ms */
396 .desc = "Button 1",
397 },
398 {
399 .code = KEY_F2,
400 .type = EV_KEY,
401 .gpio = GPIO_KEY2,
402 .active_low = 1,
403 .wakeup = 0,
404 .debounce_interval = 5, /* ms */
405 .desc = "Button 2",
406 },
407 {
408 .code = KEY_F3,
409 .type = EV_KEY,
410 .gpio = GPIO_KEY3,
411 .active_low = 1,
412 .wakeup = 0,
413 .debounce_interval = 5, /* ms */
414 .desc = "Button 3",
415 },
416 {
417 .code = KEY_F4,
418 .type = EV_KEY,
419 .gpio = GPIO_RESCUE_BOOT,
420 .active_low = 0,
421 .wakeup = 0,
422 .debounce_interval = 5, /* ms */
423 .desc = "rescue boot button",
424 },
425 {
426 .code = KEY_F5,
427 .type = EV_KEY,
428 .gpio = GPIO_DOCK_DETECT,
429 .active_low = 1,
430 .wakeup = 0,
431 .debounce_interval = 5, /* ms */
432 .desc = "dock detect",
433 },
434 {
435 .code = KEY_F6,
436 .type = EV_KEY,
437 .gpio = GPIO_ON_OFF,
438 .active_low = 0,
439 .wakeup = 0,
440 .debounce_interval = 5, /* ms */
441 .desc = "on_off button",
442 },
443 };
444
445 static struct gpio_keys_platform_data gpio_keys_platform_data = {
446 .buttons = gpio_keys_button,
447 .nbuttons = ARRAY_SIZE(gpio_keys_button),
448 .rep = 0,
449 };
450
451 static struct platform_device raumfeld_gpio_keys_device = {
452 .name = "gpio-keys",
453 .id = -1,
454 .dev = {
455 .platform_data = &gpio_keys_platform_data,
456 }
457 };
458
459 /**
460 * GPIO LEDs
461 */
462
463 static struct gpio_led raumfeld_leds[] = {
464 {
465 .name = "raumfeld:1",
466 .gpio = GPIO_LED1,
467 .active_low = 1,
468 .default_state = LEDS_GPIO_DEFSTATE_ON,
469 },
470 {
471 .name = "raumfeld:2",
472 .gpio = GPIO_LED2,
473 .active_low = 0,
474 .default_state = LEDS_GPIO_DEFSTATE_OFF,
475 }
476 };
477
478 static struct gpio_led_platform_data raumfeld_led_platform_data = {
479 .leds = raumfeld_leds,
480 .num_leds = ARRAY_SIZE(raumfeld_leds),
481 };
482
483 static struct platform_device raumfeld_led_device = {
484 .name = "leds-gpio",
485 .id = -1,
486 .dev = {
487 .platform_data = &raumfeld_led_platform_data,
488 },
489 };
490
491 /**
492 * One-wire (W1 bus) support
493 */
494
495 static void w1_enable_external_pullup(int enable)
496 {
497 gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
498 msleep(100);
499 }
500
501 static struct w1_gpio_platform_data w1_gpio_platform_data = {
502 .pin = GPIO_ONE_WIRE,
503 .is_open_drain = 0,
504 .enable_external_pullup = w1_enable_external_pullup,
505 };
506
507 struct platform_device raumfeld_w1_gpio_device = {
508 .name = "w1-gpio",
509 .dev = {
510 .platform_data = &w1_gpio_platform_data
511 }
512 };
513
514 static void __init raumfeld_w1_init(void)
515 {
516 int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
517 "W1 external pullup enable");
518
519 if (ret < 0)
520 pr_warning("Unable to request GPIO_W1_PULLUP_ENABLE\n");
521 else
522 gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
523
524 platform_device_register(&raumfeld_w1_gpio_device);
525 }
526
527 /**
528 * Framebuffer device
529 */
530
531 /* PWM controlled backlight */
532 static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
533 .pwm_id = 0,
534 .max_brightness = 100,
535 .dft_brightness = 100,
536 /* 10000 ns = 10 ms ^= 100 kHz */
537 .pwm_period_ns = 10000,
538 };
539
540 static struct platform_device raumfeld_pwm_backlight_device = {
541 .name = "pwm-backlight",
542 .dev = {
543 .parent = &pxa27x_device_pwm0.dev,
544 .platform_data = &raumfeld_pwm_backlight_data,
545 }
546 };
547
548 /* LT3593 controlled backlight */
549 static struct gpio_led raumfeld_lt3593_led = {
550 .name = "backlight",
551 .gpio = mfp_to_gpio(MFP_PIN_GPIO17),
552 .default_state = LEDS_GPIO_DEFSTATE_ON,
553 };
554
555 static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
556 .leds = &raumfeld_lt3593_led,
557 .num_leds = 1,
558 };
559
560 static struct platform_device raumfeld_lt3593_device = {
561 .name = "leds-lt3593",
562 .id = -1,
563 .dev = {
564 .platform_data = &raumfeld_lt3593_platform_data,
565 },
566 };
567
568 static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
569 .pixclock = 111000,
570 .xres = 480,
571 .yres = 272,
572 .bpp = 16,
573 .hsync_len = 41,
574 .left_margin = 2,
575 .right_margin = 1,
576 .vsync_len = 10,
577 .upper_margin = 3,
578 .lower_margin = 1,
579 .sync = 0,
580 };
581
582 static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
583 .modes = &sharp_lq043t3dx02_mode,
584 .num_modes = 1,
585 .video_mem_size = 0x400000,
586 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
587 #ifdef CONFIG_PXA3XX_GCU
588 .acceleration_enabled = 1,
589 #endif
590 };
591
592 static void __init raumfeld_lcd_init(void)
593 {
594 int ret;
595
596 ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
597 if (ret < 0)
598 pr_warning("Unable to request GPIO_TFT_VA_EN\n");
599 else
600 gpio_direction_output(GPIO_TFT_VA_EN, 1);
601
602 msleep(100);
603
604 ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
605 if (ret < 0)
606 pr_warning("Unable to request GPIO_DISPLAY_ENABLE\n");
607 else
608 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
609
610 /* Hardware revision 2 has the backlight regulator controlled
611 * by an LT3593, earlier and later devices use PWM for that. */
612 if ((system_rev & 0xff) == 2) {
613 platform_device_register(&raumfeld_lt3593_device);
614 } else {
615 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
616 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
617 platform_device_register(&raumfeld_pwm_backlight_device);
618 }
619
620 pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
621 platform_device_register(&pxa3xx_device_gcu);
622 }
623
624 /**
625 * SPI devices
626 */
627
628 struct spi_gpio_platform_data raumfeld_spi_platform_data = {
629 .sck = GPIO_SPI_CLK,
630 .mosi = GPIO_SPI_MOSI,
631 .miso = GPIO_SPI_MISO,
632 .num_chipselect = 3,
633 };
634
635 static struct platform_device raumfeld_spi_device = {
636 .name = "spi_gpio",
637 .id = 0,
638 .dev = {
639 .platform_data = &raumfeld_spi_platform_data,
640 }
641 };
642
643 static struct lis3lv02d_platform_data lis3_pdata = {
644 .click_flags = LIS3_CLICK_SINGLE_X |
645 LIS3_CLICK_SINGLE_Y |
646 LIS3_CLICK_SINGLE_Z,
647 .irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
648 .wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
649 LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
650 LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
651 .wakeup_thresh = 10,
652 .click_thresh_x = 10,
653 .click_thresh_y = 10,
654 .click_thresh_z = 10,
655 };
656
657 #define SPI_AK4104 \
658 { \
659 .modalias = "ak4104-codec", \
660 .max_speed_hz = 10000, \
661 .bus_num = 0, \
662 .chip_select = 0, \
663 .controller_data = (void *) GPIO_SPDIF_CS, \
664 }
665
666 #define SPI_LIS3 \
667 { \
668 .modalias = "lis3lv02d_spi", \
669 .max_speed_hz = 1000000, \
670 .bus_num = 0, \
671 .chip_select = 1, \
672 .controller_data = (void *) GPIO_ACCEL_CS, \
673 .platform_data = &lis3_pdata, \
674 .irq = gpio_to_irq(GPIO_ACCEL_IRQ), \
675 }
676
677 #define SPI_DAC7512 \
678 { \
679 .modalias = "dac7512", \
680 .max_speed_hz = 1000000, \
681 .bus_num = 0, \
682 .chip_select = 2, \
683 .controller_data = (void *) GPIO_MCLK_DAC_CS, \
684 }
685
686 static struct spi_board_info connector_spi_devices[] __initdata = {
687 SPI_AK4104,
688 SPI_DAC7512,
689 };
690
691 static struct spi_board_info speaker_spi_devices[] __initdata = {
692 SPI_DAC7512,
693 };
694
695 static struct spi_board_info controller_spi_devices[] __initdata = {
696 SPI_LIS3,
697 };
698
699 /**
700 * MMC for Marvell Libertas 8688 via SDIO
701 */
702
703 static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
704 {
705 gpio_set_value(GPIO_W2W_RESET, 1);
706 gpio_set_value(GPIO_W2W_PDN, 1);
707
708 return 0;
709 }
710
711 static void raumfeld_mci_exit(struct device *dev, void *data)
712 {
713 gpio_set_value(GPIO_W2W_RESET, 0);
714 gpio_set_value(GPIO_W2W_PDN, 0);
715 }
716
717 static struct pxamci_platform_data raumfeld_mci_platform_data = {
718 .init = raumfeld_mci_init,
719 .exit = raumfeld_mci_exit,
720 .detect_delay_ms = 200,
721 .gpio_card_detect = -1,
722 .gpio_card_ro = -1,
723 .gpio_power = -1,
724 };
725
726 /*
727 * External power / charge logic
728 */
729
730 static int power_supply_init(struct device *dev)
731 {
732 return 0;
733 }
734
735 static void power_supply_exit(struct device *dev)
736 {
737 }
738
739 static int raumfeld_is_ac_online(void)
740 {
741 return !gpio_get_value(GPIO_CHARGE_DC_OK);
742 }
743
744 static int raumfeld_is_usb_online(void)
745 {
746 return 0;
747 }
748
749 static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
750
751 static void raumfeld_power_signal_charged(void)
752 {
753 struct power_supply *psy =
754 power_supply_get_by_name(raumfeld_power_supplicants[0]);
755
756 if (psy)
757 power_supply_set_battery_charged(psy);
758 }
759
760 static int raumfeld_power_resume(void)
761 {
762 /* check if GPIO_CHARGE_DONE went low while we were sleeping */
763 if (!gpio_get_value(GPIO_CHARGE_DONE))
764 raumfeld_power_signal_charged();
765
766 return 0;
767 }
768
769 static struct pda_power_pdata power_supply_info = {
770 .init = power_supply_init,
771 .is_ac_online = raumfeld_is_ac_online,
772 .is_usb_online = raumfeld_is_usb_online,
773 .exit = power_supply_exit,
774 .supplied_to = raumfeld_power_supplicants,
775 .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants),
776 .resume = raumfeld_power_resume,
777 };
778
779 static struct resource power_supply_resources[] = {
780 {
781 .name = "ac",
782 .flags = IORESOURCE_IRQ |
783 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
784 .start = GPIO_CHARGE_DC_OK,
785 .end = GPIO_CHARGE_DC_OK,
786 },
787 };
788
789 static irqreturn_t charge_done_irq(int irq, void *dev_id)
790 {
791 raumfeld_power_signal_charged();
792 return IRQ_HANDLED;
793 }
794
795 static struct platform_device raumfeld_power_supply = {
796 .name = "pda-power",
797 .id = -1,
798 .dev = {
799 .platform_data = &power_supply_info,
800 },
801 .resource = power_supply_resources,
802 .num_resources = ARRAY_SIZE(power_supply_resources),
803 };
804
805 static void __init raumfeld_power_init(void)
806 {
807 int ret;
808
809 /* Set PEN2 high to enable maximum charge current */
810 ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
811 if (ret < 0)
812 pr_warning("Unable to request GPIO_CHRG_PEN2\n");
813 else
814 gpio_direction_output(GPIO_CHRG_PEN2, 1);
815
816 ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
817 if (ret < 0)
818 pr_warning("Unable to request GPIO_CHARGE_DC_OK\n");
819
820 ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
821 if (ret < 0)
822 pr_warning("Unable to request GPIO_CHARGE_USB_SUSP\n");
823 else
824 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
825
826 power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
827 power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
828
829 ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
830 &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
831 "charge_done", NULL);
832
833 if (ret < 0)
834 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
835 GPIO_CHARGE_DONE);
836 else
837 platform_device_register(&raumfeld_power_supply);
838 }
839
840 /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
841
842 static struct regulator_consumer_supply audio_va_consumer_supply =
843 REGULATOR_SUPPLY("va", "0-0048");
844
845 struct regulator_init_data audio_va_initdata = {
846 .consumer_supplies = &audio_va_consumer_supply,
847 .num_consumer_supplies = 1,
848 .constraints = {
849 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
850 },
851 };
852
853 static struct fixed_voltage_config audio_va_config = {
854 .supply_name = "audio_va",
855 .microvolts = 5000000,
856 .gpio = GPIO_AUDIO_VA_ENABLE,
857 .enable_high = 1,
858 .enabled_at_boot = 0,
859 .init_data = &audio_va_initdata,
860 };
861
862 static struct platform_device audio_va_device = {
863 .name = "reg-fixed-voltage",
864 .id = 0,
865 .dev = {
866 .platform_data = &audio_va_config,
867 },
868 };
869
870 /* Dummy supplies for Codec's VD/VLC */
871
872 static struct regulator_consumer_supply audio_dummy_supplies[] = {
873 REGULATOR_SUPPLY("vd", "0-0048"),
874 REGULATOR_SUPPLY("vlc", "0-0048"),
875 };
876
877 struct regulator_init_data audio_dummy_initdata = {
878 .consumer_supplies = audio_dummy_supplies,
879 .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
880 .constraints = {
881 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
882 },
883 };
884
885 static struct fixed_voltage_config audio_dummy_config = {
886 .supply_name = "audio_vd",
887 .microvolts = 3300000,
888 .gpio = -1,
889 .init_data = &audio_dummy_initdata,
890 };
891
892 static struct platform_device audio_supply_dummy_device = {
893 .name = "reg-fixed-voltage",
894 .id = 1,
895 .dev = {
896 .platform_data = &audio_dummy_config,
897 },
898 };
899
900 static struct platform_device *audio_regulator_devices[] = {
901 &audio_va_device,
902 &audio_supply_dummy_device,
903 };
904
905 /**
906 * Regulator support via MAX8660
907 */
908
909 static struct regulator_consumer_supply vcc_mmc_supply =
910 REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
911
912 static struct regulator_init_data vcc_mmc_init_data = {
913 .constraints = {
914 .min_uV = 3300000,
915 .max_uV = 3300000,
916 .valid_modes_mask = REGULATOR_MODE_NORMAL,
917 .valid_ops_mask = REGULATOR_CHANGE_STATUS |
918 REGULATOR_CHANGE_VOLTAGE |
919 REGULATOR_CHANGE_MODE,
920 },
921 .consumer_supplies = &vcc_mmc_supply,
922 .num_consumer_supplies = 1,
923 };
924
925 struct max8660_subdev_data max8660_v6_subdev_data = {
926 .id = MAX8660_V6,
927 .name = "vmmc",
928 .platform_data = &vcc_mmc_init_data,
929 };
930
931 static struct max8660_platform_data max8660_pdata = {
932 .subdevs = &max8660_v6_subdev_data,
933 .num_subdevs = 1,
934 };
935
936 /**
937 * I2C devices
938 */
939
940 static struct i2c_board_info raumfeld_pwri2c_board_info = {
941 .type = "max8660",
942 .addr = 0x34,
943 .platform_data = &max8660_pdata,
944 };
945
946 static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
947 .type = "cs4270",
948 .addr = 0x48,
949 };
950
951 static struct eeti_ts_platform_data eeti_ts_pdata = {
952 .irq_active_high = 1,
953 };
954
955 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
956 .type = "eeti_ts",
957 .addr = 0x0a,
958 .irq = gpio_to_irq(GPIO_TOUCH_IRQ),
959 .platform_data = &eeti_ts_pdata,
960 };
961
962 static struct platform_device *raumfeld_common_devices[] = {
963 &raumfeld_gpio_keys_device,
964 &raumfeld_led_device,
965 &raumfeld_spi_device,
966 };
967
968 static void __init raumfeld_audio_init(void)
969 {
970 int ret;
971
972 ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
973 if (ret < 0)
974 pr_warning("unable to request GPIO_CODEC_RESET\n");
975 else
976 gpio_direction_output(GPIO_CODEC_RESET, 1);
977
978 ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
979 if (ret < 0)
980 pr_warning("unable to request GPIO_SPDIF_RESET\n");
981 else
982 gpio_direction_output(GPIO_SPDIF_RESET, 1);
983
984 ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
985 if (ret < 0)
986 pr_warning("unable to request GPIO_MCLK_RESET\n");
987 else
988 gpio_direction_output(GPIO_MCLK_RESET, 1);
989
990 platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
991 }
992
993 static void __init raumfeld_common_init(void)
994 {
995 int ret;
996
997 /* The on/off button polarity has changed after revision 1 */
998 if ((system_rev & 0xff) > 1) {
999 int i;
1000
1001 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1002 if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1003 gpio_keys_button[i].active_low = 1;
1004 }
1005
1006 enable_irq_wake(IRQ_WAKEUP0);
1007
1008 pxa3xx_set_nand_info(&raumfeld_nand_info);
1009 pxa3xx_set_i2c_power_info(NULL);
1010 pxa_set_ohci_info(&raumfeld_ohci_info);
1011 pxa_set_mci_info(&raumfeld_mci_platform_data);
1012 pxa_set_i2c_info(NULL);
1013 pxa_set_ffuart_info(NULL);
1014
1015 ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1016 if (ret < 0)
1017 pr_warning("Unable to request GPIO_W2W_RESET\n");
1018 else
1019 gpio_direction_output(GPIO_W2W_RESET, 0);
1020
1021 ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1022 if (ret < 0)
1023 pr_warning("Unable to request GPIO_W2W_PDN\n");
1024 else
1025 gpio_direction_output(GPIO_W2W_PDN, 0);
1026
1027 /* this can be used to switch off the device */
1028 ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1029 if (ret < 0)
1030 pr_warning("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1031 else
1032 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1033
1034 platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1035 i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1036 }
1037
1038 static void __init raumfeld_controller_init(void)
1039 {
1040 int ret;
1041
1042 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1043 platform_device_register(&rotary_encoder_device);
1044 spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1045 i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1046
1047 ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1048 if (ret < 0)
1049 pr_warning("Unable to request GPIO_SHUTDOWN_BATT\n");
1050 else
1051 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1052
1053 raumfeld_common_init();
1054 raumfeld_power_init();
1055 raumfeld_lcd_init();
1056 raumfeld_w1_init();
1057 }
1058
1059 static void __init raumfeld_connector_init(void)
1060 {
1061 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1062 spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1063 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1064
1065 platform_device_register(&smc91x_device);
1066
1067 raumfeld_audio_init();
1068 raumfeld_common_init();
1069 }
1070
1071 static void __init raumfeld_speaker_init(void)
1072 {
1073 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1074 spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1075 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1076
1077 platform_device_register(&smc91x_device);
1078 platform_device_register(&rotary_encoder_device);
1079
1080 raumfeld_audio_init();
1081 raumfeld_common_init();
1082 }
1083
1084 /* physical memory regions */
1085 #define RAUMFELD_SDRAM_BASE 0xa0000000 /* SDRAM region */
1086
1087 #ifdef CONFIG_MACH_RAUMFELD_RC
1088 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1089 .atag_offset = 0x100,
1090 .init_machine = raumfeld_controller_init,
1091 .map_io = pxa3xx_map_io,
1092 .init_irq = pxa3xx_init_irq,
1093 .handle_irq = pxa3xx_handle_irq,
1094 .timer = &pxa_timer,
1095 MACHINE_END
1096 #endif
1097
1098 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1099 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1100 .atag_offset = 0x100,
1101 .init_machine = raumfeld_connector_init,
1102 .map_io = pxa3xx_map_io,
1103 .init_irq = pxa3xx_init_irq,
1104 .handle_irq = pxa3xx_handle_irq,
1105 .timer = &pxa_timer,
1106 MACHINE_END
1107 #endif
1108
1109 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1110 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1111 .atag_offset = 0x100,
1112 .init_machine = raumfeld_speaker_init,
1113 .map_io = pxa3xx_map_io,
1114 .init_irq = pxa3xx_init_irq,
1115 .handle_irq = pxa3xx_handle_irq,
1116 .timer = &pxa_timer,
1117 MACHINE_END
1118 #endif
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