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 <mach/ohci.h>
53 #include <mach/pxafb.h>
54 #include <mach/mmc.h>
55 #include <plat/pxa3xx_nand.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
w1_enable_external_pullup(int enable)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 };
509
510 struct platform_device raumfeld_w1_gpio_device = {
511 .name = "w1-gpio",
512 .dev = {
513 .platform_data = &w1_gpio_platform_data
514 }
515 };
516
raumfeld_w1_init(void)517 static void __init raumfeld_w1_init(void)
518 {
519 int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
520 "W1 external pullup enable");
521
522 if (ret < 0)
523 pr_warning("Unable to request GPIO_W1_PULLUP_ENABLE\n");
524 else
525 gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
526
527 platform_device_register(&raumfeld_w1_gpio_device);
528 }
529
530 /**
531 * Framebuffer device
532 */
533
534 /* PWM controlled backlight */
535 static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
536 .pwm_id = 0,
537 .max_brightness = 100,
538 .dft_brightness = 100,
539 /* 10000 ns = 10 ms ^= 100 kHz */
540 .pwm_period_ns = 10000,
541 };
542
543 static struct platform_device raumfeld_pwm_backlight_device = {
544 .name = "pwm-backlight",
545 .dev = {
546 .parent = &pxa27x_device_pwm0.dev,
547 .platform_data = &raumfeld_pwm_backlight_data,
548 }
549 };
550
551 /* LT3593 controlled backlight */
552 static struct gpio_led raumfeld_lt3593_led = {
553 .name = "backlight",
554 .gpio = mfp_to_gpio(MFP_PIN_GPIO17),
555 .default_state = LEDS_GPIO_DEFSTATE_ON,
556 };
557
558 static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
559 .leds = &raumfeld_lt3593_led,
560 .num_leds = 1,
561 };
562
563 static struct platform_device raumfeld_lt3593_device = {
564 .name = "leds-lt3593",
565 .id = -1,
566 .dev = {
567 .platform_data = &raumfeld_lt3593_platform_data,
568 },
569 };
570
571 static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
572 .pixclock = 111000,
573 .xres = 480,
574 .yres = 272,
575 .bpp = 16,
576 .hsync_len = 41,
577 .left_margin = 2,
578 .right_margin = 1,
579 .vsync_len = 10,
580 .upper_margin = 3,
581 .lower_margin = 1,
582 .sync = 0,
583 };
584
585 static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
586 .modes = &sharp_lq043t3dx02_mode,
587 .num_modes = 1,
588 .video_mem_size = 0x400000,
589 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
590 #ifdef CONFIG_PXA3XX_GCU
591 .acceleration_enabled = 1,
592 #endif
593 };
594
raumfeld_lcd_init(void)595 static void __init raumfeld_lcd_init(void)
596 {
597 int ret;
598
599 ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
600 if (ret < 0)
601 pr_warning("Unable to request GPIO_TFT_VA_EN\n");
602 else
603 gpio_direction_output(GPIO_TFT_VA_EN, 1);
604
605 msleep(100);
606
607 ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
608 if (ret < 0)
609 pr_warning("Unable to request GPIO_DISPLAY_ENABLE\n");
610 else
611 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
612
613 /* Hardware revision 2 has the backlight regulator controlled
614 * by an LT3593, earlier and later devices use PWM for that. */
615 if ((system_rev & 0xff) == 2) {
616 platform_device_register(&raumfeld_lt3593_device);
617 } else {
618 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
619 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
620 platform_device_register(&raumfeld_pwm_backlight_device);
621 }
622
623 pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
624 platform_device_register(&pxa3xx_device_gcu);
625 }
626
627 /**
628 * SPI devices
629 */
630
631 struct spi_gpio_platform_data raumfeld_spi_platform_data = {
632 .sck = GPIO_SPI_CLK,
633 .mosi = GPIO_SPI_MOSI,
634 .miso = GPIO_SPI_MISO,
635 .num_chipselect = 3,
636 };
637
638 static struct platform_device raumfeld_spi_device = {
639 .name = "spi_gpio",
640 .id = 0,
641 .dev = {
642 .platform_data = &raumfeld_spi_platform_data,
643 }
644 };
645
646 static struct lis3lv02d_platform_data lis3_pdata = {
647 .click_flags = LIS3_CLICK_SINGLE_X |
648 LIS3_CLICK_SINGLE_Y |
649 LIS3_CLICK_SINGLE_Z,
650 .irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
651 .wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
652 LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
653 LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
654 .wakeup_thresh = 10,
655 .click_thresh_x = 10,
656 .click_thresh_y = 10,
657 .click_thresh_z = 10,
658 };
659
660 #define SPI_AK4104 \
661 { \
662 .modalias = "ak4104-codec", \
663 .max_speed_hz = 10000, \
664 .bus_num = 0, \
665 .chip_select = 0, \
666 .controller_data = (void *) GPIO_SPDIF_CS, \
667 }
668
669 #define SPI_LIS3 \
670 { \
671 .modalias = "lis3lv02d_spi", \
672 .max_speed_hz = 1000000, \
673 .bus_num = 0, \
674 .chip_select = 1, \
675 .controller_data = (void *) GPIO_ACCEL_CS, \
676 .platform_data = &lis3_pdata, \
677 .irq = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ), \
678 }
679
680 #define SPI_DAC7512 \
681 { \
682 .modalias = "dac7512", \
683 .max_speed_hz = 1000000, \
684 .bus_num = 0, \
685 .chip_select = 2, \
686 .controller_data = (void *) GPIO_MCLK_DAC_CS, \
687 }
688
689 static struct spi_board_info connector_spi_devices[] __initdata = {
690 SPI_AK4104,
691 SPI_DAC7512,
692 };
693
694 static struct spi_board_info speaker_spi_devices[] __initdata = {
695 SPI_DAC7512,
696 };
697
698 static struct spi_board_info controller_spi_devices[] __initdata = {
699 SPI_LIS3,
700 };
701
702 /**
703 * MMC for Marvell Libertas 8688 via SDIO
704 */
705
raumfeld_mci_init(struct device * dev,irq_handler_t isr,void * data)706 static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
707 {
708 gpio_set_value(GPIO_W2W_RESET, 1);
709 gpio_set_value(GPIO_W2W_PDN, 1);
710
711 return 0;
712 }
713
raumfeld_mci_exit(struct device * dev,void * data)714 static void raumfeld_mci_exit(struct device *dev, void *data)
715 {
716 gpio_set_value(GPIO_W2W_RESET, 0);
717 gpio_set_value(GPIO_W2W_PDN, 0);
718 }
719
720 static struct pxamci_platform_data raumfeld_mci_platform_data = {
721 .init = raumfeld_mci_init,
722 .exit = raumfeld_mci_exit,
723 .detect_delay_ms = 200,
724 .gpio_card_detect = -1,
725 .gpio_card_ro = -1,
726 .gpio_power = -1,
727 };
728
729 /*
730 * External power / charge logic
731 */
732
power_supply_init(struct device * dev)733 static int power_supply_init(struct device *dev)
734 {
735 return 0;
736 }
737
power_supply_exit(struct device * dev)738 static void power_supply_exit(struct device *dev)
739 {
740 }
741
raumfeld_is_ac_online(void)742 static int raumfeld_is_ac_online(void)
743 {
744 return !gpio_get_value(GPIO_CHARGE_DC_OK);
745 }
746
raumfeld_is_usb_online(void)747 static int raumfeld_is_usb_online(void)
748 {
749 return 0;
750 }
751
752 static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
753
raumfeld_power_signal_charged(void)754 static void raumfeld_power_signal_charged(void)
755 {
756 struct power_supply *psy =
757 power_supply_get_by_name(raumfeld_power_supplicants[0]);
758
759 if (psy)
760 power_supply_set_battery_charged(psy);
761 }
762
raumfeld_power_resume(void)763 static int raumfeld_power_resume(void)
764 {
765 /* check if GPIO_CHARGE_DONE went low while we were sleeping */
766 if (!gpio_get_value(GPIO_CHARGE_DONE))
767 raumfeld_power_signal_charged();
768
769 return 0;
770 }
771
772 static struct pda_power_pdata power_supply_info = {
773 .init = power_supply_init,
774 .is_ac_online = raumfeld_is_ac_online,
775 .is_usb_online = raumfeld_is_usb_online,
776 .exit = power_supply_exit,
777 .supplied_to = raumfeld_power_supplicants,
778 .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants),
779 .resume = raumfeld_power_resume,
780 };
781
782 static struct resource power_supply_resources[] = {
783 {
784 .name = "ac",
785 .flags = IORESOURCE_IRQ |
786 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
787 .start = GPIO_CHARGE_DC_OK,
788 .end = GPIO_CHARGE_DC_OK,
789 },
790 };
791
charge_done_irq(int irq,void * dev_id)792 static irqreturn_t charge_done_irq(int irq, void *dev_id)
793 {
794 raumfeld_power_signal_charged();
795 return IRQ_HANDLED;
796 }
797
798 static struct platform_device raumfeld_power_supply = {
799 .name = "pda-power",
800 .id = -1,
801 .dev = {
802 .platform_data = &power_supply_info,
803 },
804 .resource = power_supply_resources,
805 .num_resources = ARRAY_SIZE(power_supply_resources),
806 };
807
raumfeld_power_init(void)808 static void __init raumfeld_power_init(void)
809 {
810 int ret;
811
812 /* Set PEN2 high to enable maximum charge current */
813 ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
814 if (ret < 0)
815 pr_warning("Unable to request GPIO_CHRG_PEN2\n");
816 else
817 gpio_direction_output(GPIO_CHRG_PEN2, 1);
818
819 ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
820 if (ret < 0)
821 pr_warning("Unable to request GPIO_CHARGE_DC_OK\n");
822
823 ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
824 if (ret < 0)
825 pr_warning("Unable to request GPIO_CHARGE_USB_SUSP\n");
826 else
827 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
828
829 power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
830 power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
831
832 ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
833 &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
834 "charge_done", NULL);
835
836 if (ret < 0)
837 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
838 GPIO_CHARGE_DONE);
839 else
840 platform_device_register(&raumfeld_power_supply);
841 }
842
843 /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
844
845 static struct regulator_consumer_supply audio_va_consumer_supply =
846 REGULATOR_SUPPLY("va", "0-0048");
847
848 struct regulator_init_data audio_va_initdata = {
849 .consumer_supplies = &audio_va_consumer_supply,
850 .num_consumer_supplies = 1,
851 .constraints = {
852 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
853 },
854 };
855
856 static struct fixed_voltage_config audio_va_config = {
857 .supply_name = "audio_va",
858 .microvolts = 5000000,
859 .gpio = GPIO_AUDIO_VA_ENABLE,
860 .enable_high = 1,
861 .enabled_at_boot = 0,
862 .init_data = &audio_va_initdata,
863 };
864
865 static struct platform_device audio_va_device = {
866 .name = "reg-fixed-voltage",
867 .id = 0,
868 .dev = {
869 .platform_data = &audio_va_config,
870 },
871 };
872
873 /* Dummy supplies for Codec's VD/VLC */
874
875 static struct regulator_consumer_supply audio_dummy_supplies[] = {
876 REGULATOR_SUPPLY("vd", "0-0048"),
877 REGULATOR_SUPPLY("vlc", "0-0048"),
878 };
879
880 struct regulator_init_data audio_dummy_initdata = {
881 .consumer_supplies = audio_dummy_supplies,
882 .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
883 .constraints = {
884 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
885 },
886 };
887
888 static struct fixed_voltage_config audio_dummy_config = {
889 .supply_name = "audio_vd",
890 .microvolts = 3300000,
891 .gpio = -1,
892 .init_data = &audio_dummy_initdata,
893 };
894
895 static struct platform_device audio_supply_dummy_device = {
896 .name = "reg-fixed-voltage",
897 .id = 1,
898 .dev = {
899 .platform_data = &audio_dummy_config,
900 },
901 };
902
903 static struct platform_device *audio_regulator_devices[] = {
904 &audio_va_device,
905 &audio_supply_dummy_device,
906 };
907
908 /**
909 * Regulator support via MAX8660
910 */
911
912 static struct regulator_consumer_supply vcc_mmc_supply =
913 REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
914
915 static struct regulator_init_data vcc_mmc_init_data = {
916 .constraints = {
917 .min_uV = 3300000,
918 .max_uV = 3300000,
919 .valid_modes_mask = REGULATOR_MODE_NORMAL,
920 .valid_ops_mask = REGULATOR_CHANGE_STATUS |
921 REGULATOR_CHANGE_VOLTAGE |
922 REGULATOR_CHANGE_MODE,
923 },
924 .consumer_supplies = &vcc_mmc_supply,
925 .num_consumer_supplies = 1,
926 };
927
928 struct max8660_subdev_data max8660_v6_subdev_data = {
929 .id = MAX8660_V6,
930 .name = "vmmc",
931 .platform_data = &vcc_mmc_init_data,
932 };
933
934 static struct max8660_platform_data max8660_pdata = {
935 .subdevs = &max8660_v6_subdev_data,
936 .num_subdevs = 1,
937 };
938
939 /**
940 * I2C devices
941 */
942
943 static struct i2c_board_info raumfeld_pwri2c_board_info = {
944 .type = "max8660",
945 .addr = 0x34,
946 .platform_data = &max8660_pdata,
947 };
948
949 static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
950 .type = "cs4270",
951 .addr = 0x48,
952 };
953
954 static struct eeti_ts_platform_data eeti_ts_pdata = {
955 .irq_active_high = 1,
956 .irq_gpio = GPIO_TOUCH_IRQ,
957 };
958
959 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
960 .type = "eeti_ts",
961 .addr = 0x0a,
962 .platform_data = &eeti_ts_pdata,
963 };
964
965 static struct platform_device *raumfeld_common_devices[] = {
966 &raumfeld_gpio_keys_device,
967 &raumfeld_led_device,
968 &raumfeld_spi_device,
969 };
970
raumfeld_audio_init(void)971 static void __init raumfeld_audio_init(void)
972 {
973 int ret;
974
975 ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
976 if (ret < 0)
977 pr_warning("unable to request GPIO_CODEC_RESET\n");
978 else
979 gpio_direction_output(GPIO_CODEC_RESET, 1);
980
981 ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
982 if (ret < 0)
983 pr_warning("unable to request GPIO_SPDIF_RESET\n");
984 else
985 gpio_direction_output(GPIO_SPDIF_RESET, 1);
986
987 ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
988 if (ret < 0)
989 pr_warning("unable to request GPIO_MCLK_RESET\n");
990 else
991 gpio_direction_output(GPIO_MCLK_RESET, 1);
992
993 platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
994 }
995
raumfeld_common_init(void)996 static void __init raumfeld_common_init(void)
997 {
998 int ret;
999
1000 /* The on/off button polarity has changed after revision 1 */
1001 if ((system_rev & 0xff) > 1) {
1002 int i;
1003
1004 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1005 if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1006 gpio_keys_button[i].active_low = 1;
1007 }
1008
1009 enable_irq_wake(IRQ_WAKEUP0);
1010
1011 pxa3xx_set_nand_info(&raumfeld_nand_info);
1012 pxa3xx_set_i2c_power_info(NULL);
1013 pxa_set_ohci_info(&raumfeld_ohci_info);
1014 pxa_set_mci_info(&raumfeld_mci_platform_data);
1015 pxa_set_i2c_info(NULL);
1016 pxa_set_ffuart_info(NULL);
1017
1018 ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1019 if (ret < 0)
1020 pr_warning("Unable to request GPIO_W2W_RESET\n");
1021 else
1022 gpio_direction_output(GPIO_W2W_RESET, 0);
1023
1024 ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1025 if (ret < 0)
1026 pr_warning("Unable to request GPIO_W2W_PDN\n");
1027 else
1028 gpio_direction_output(GPIO_W2W_PDN, 0);
1029
1030 /* this can be used to switch off the device */
1031 ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1032 if (ret < 0)
1033 pr_warning("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1034 else
1035 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1036
1037 platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1038 i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1039 }
1040
raumfeld_controller_init(void)1041 static void __init raumfeld_controller_init(void)
1042 {
1043 int ret;
1044
1045 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1046 platform_device_register(&rotary_encoder_device);
1047 spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1048 i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1049
1050 ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1051 if (ret < 0)
1052 pr_warning("Unable to request GPIO_SHUTDOWN_BATT\n");
1053 else
1054 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1055
1056 raumfeld_common_init();
1057 raumfeld_power_init();
1058 raumfeld_lcd_init();
1059 raumfeld_w1_init();
1060 }
1061
raumfeld_connector_init(void)1062 static void __init raumfeld_connector_init(void)
1063 {
1064 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1065 spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1066 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1067
1068 platform_device_register(&smc91x_device);
1069
1070 raumfeld_audio_init();
1071 raumfeld_common_init();
1072 }
1073
raumfeld_speaker_init(void)1074 static void __init raumfeld_speaker_init(void)
1075 {
1076 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1077 spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1078 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1079
1080 platform_device_register(&smc91x_device);
1081 platform_device_register(&rotary_encoder_device);
1082
1083 raumfeld_audio_init();
1084 raumfeld_common_init();
1085 }
1086
1087 /* physical memory regions */
1088 #define RAUMFELD_SDRAM_BASE 0xa0000000 /* SDRAM region */
1089
1090 #ifdef CONFIG_MACH_RAUMFELD_RC
1091 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1092 .atag_offset = 0x100,
1093 .init_machine = raumfeld_controller_init,
1094 .map_io = pxa3xx_map_io,
1095 .nr_irqs = PXA_NR_IRQS,
1096 .init_irq = pxa3xx_init_irq,
1097 .handle_irq = pxa3xx_handle_irq,
1098 .timer = &pxa_timer,
1099 .restart = pxa_restart,
1100 MACHINE_END
1101 #endif
1102
1103 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1104 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1105 .atag_offset = 0x100,
1106 .init_machine = raumfeld_connector_init,
1107 .map_io = pxa3xx_map_io,
1108 .nr_irqs = PXA_NR_IRQS,
1109 .init_irq = pxa3xx_init_irq,
1110 .handle_irq = pxa3xx_handle_irq,
1111 .timer = &pxa_timer,
1112 .restart = pxa_restart,
1113 MACHINE_END
1114 #endif
1115
1116 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1117 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1118 .atag_offset = 0x100,
1119 .init_machine = raumfeld_speaker_init,
1120 .map_io = pxa3xx_map_io,
1121 .nr_irqs = PXA_NR_IRQS,
1122 .init_irq = pxa3xx_init_irq,
1123 .handle_irq = pxa3xx_handle_irq,
1124 .timer = &pxa_timer,
1125 .restart = pxa_restart,
1126 MACHINE_END
1127 #endif
1128