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 = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
296 .end = PXA_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 .num_cs = 1,
350 .parts[0] = raumfeld_nand_partitions,
351 .nr_parts[0] = ARRAY_SIZE(raumfeld_nand_partitions),
352 };
353
354 /**
355 * USB (OHCI) support
356 */
357
358 static struct pxaohci_platform_data raumfeld_ohci_info = {
359 .port_mode = PMM_GLOBAL_MODE,
360 .flags = ENABLE_PORT1,
361 };
362
363 /**
364 * Rotary encoder input device
365 */
366
367 static struct rotary_encoder_platform_data raumfeld_rotary_encoder_info = {
368 .steps = 24,
369 .axis = REL_X,
370 .relative_axis = 1,
371 .gpio_a = GPIO_VOLENC_A,
372 .gpio_b = GPIO_VOLENC_B,
373 .inverted_a = 1,
374 .inverted_b = 0,
375 };
376
377 static struct platform_device rotary_encoder_device = {
378 .name = "rotary-encoder",
379 .id = 0,
380 .dev = {
381 .platform_data = &raumfeld_rotary_encoder_info,
382 }
383 };
384
385 /**
386 * GPIO buttons
387 */
388
389 static struct gpio_keys_button gpio_keys_button[] = {
390 {
391 .code = KEY_F1,
392 .type = EV_KEY,
393 .gpio = GPIO_KEY1,
394 .active_low = 1,
395 .wakeup = 0,
396 .debounce_interval = 5, /* ms */
397 .desc = "Button 1",
398 },
399 {
400 .code = KEY_F2,
401 .type = EV_KEY,
402 .gpio = GPIO_KEY2,
403 .active_low = 1,
404 .wakeup = 0,
405 .debounce_interval = 5, /* ms */
406 .desc = "Button 2",
407 },
408 {
409 .code = KEY_F3,
410 .type = EV_KEY,
411 .gpio = GPIO_KEY3,
412 .active_low = 1,
413 .wakeup = 0,
414 .debounce_interval = 5, /* ms */
415 .desc = "Button 3",
416 },
417 {
418 .code = KEY_F4,
419 .type = EV_KEY,
420 .gpio = GPIO_RESCUE_BOOT,
421 .active_low = 0,
422 .wakeup = 0,
423 .debounce_interval = 5, /* ms */
424 .desc = "rescue boot button",
425 },
426 {
427 .code = KEY_F5,
428 .type = EV_KEY,
429 .gpio = GPIO_DOCK_DETECT,
430 .active_low = 1,
431 .wakeup = 0,
432 .debounce_interval = 5, /* ms */
433 .desc = "dock detect",
434 },
435 {
436 .code = KEY_F6,
437 .type = EV_KEY,
438 .gpio = GPIO_ON_OFF,
439 .active_low = 0,
440 .wakeup = 0,
441 .debounce_interval = 5, /* ms */
442 .desc = "on_off button",
443 },
444 };
445
446 static struct gpio_keys_platform_data gpio_keys_platform_data = {
447 .buttons = gpio_keys_button,
448 .nbuttons = ARRAY_SIZE(gpio_keys_button),
449 .rep = 0,
450 };
451
452 static struct platform_device raumfeld_gpio_keys_device = {
453 .name = "gpio-keys",
454 .id = -1,
455 .dev = {
456 .platform_data = &gpio_keys_platform_data,
457 }
458 };
459
460 /**
461 * GPIO LEDs
462 */
463
464 static struct gpio_led raumfeld_leds[] = {
465 {
466 .name = "raumfeld:1",
467 .gpio = GPIO_LED1,
468 .active_low = 1,
469 .default_state = LEDS_GPIO_DEFSTATE_ON,
470 },
471 {
472 .name = "raumfeld:2",
473 .gpio = GPIO_LED2,
474 .active_low = 0,
475 .default_state = LEDS_GPIO_DEFSTATE_OFF,
476 }
477 };
478
479 static struct gpio_led_platform_data raumfeld_led_platform_data = {
480 .leds = raumfeld_leds,
481 .num_leds = ARRAY_SIZE(raumfeld_leds),
482 };
483
484 static struct platform_device raumfeld_led_device = {
485 .name = "leds-gpio",
486 .id = -1,
487 .dev = {
488 .platform_data = &raumfeld_led_platform_data,
489 },
490 };
491
492 /**
493 * One-wire (W1 bus) support
494 */
495
w1_enable_external_pullup(int enable)496 static void w1_enable_external_pullup(int enable)
497 {
498 gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
499 msleep(100);
500 }
501
502 static struct w1_gpio_platform_data w1_gpio_platform_data = {
503 .pin = GPIO_ONE_WIRE,
504 .is_open_drain = 0,
505 .enable_external_pullup = w1_enable_external_pullup,
506 };
507
508 struct platform_device raumfeld_w1_gpio_device = {
509 .name = "w1-gpio",
510 .dev = {
511 .platform_data = &w1_gpio_platform_data
512 }
513 };
514
raumfeld_w1_init(void)515 static void __init raumfeld_w1_init(void)
516 {
517 int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
518 "W1 external pullup enable");
519
520 if (ret < 0)
521 pr_warning("Unable to request GPIO_W1_PULLUP_ENABLE\n");
522 else
523 gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
524
525 platform_device_register(&raumfeld_w1_gpio_device);
526 }
527
528 /**
529 * Framebuffer device
530 */
531
532 /* PWM controlled backlight */
533 static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
534 .pwm_id = 0,
535 .max_brightness = 100,
536 .dft_brightness = 100,
537 /* 10000 ns = 10 ms ^= 100 kHz */
538 .pwm_period_ns = 10000,
539 };
540
541 static struct platform_device raumfeld_pwm_backlight_device = {
542 .name = "pwm-backlight",
543 .dev = {
544 .parent = &pxa27x_device_pwm0.dev,
545 .platform_data = &raumfeld_pwm_backlight_data,
546 }
547 };
548
549 /* LT3593 controlled backlight */
550 static struct gpio_led raumfeld_lt3593_led = {
551 .name = "backlight",
552 .gpio = mfp_to_gpio(MFP_PIN_GPIO17),
553 .default_state = LEDS_GPIO_DEFSTATE_ON,
554 };
555
556 static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
557 .leds = &raumfeld_lt3593_led,
558 .num_leds = 1,
559 };
560
561 static struct platform_device raumfeld_lt3593_device = {
562 .name = "leds-lt3593",
563 .id = -1,
564 .dev = {
565 .platform_data = &raumfeld_lt3593_platform_data,
566 },
567 };
568
569 static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
570 .pixclock = 111000,
571 .xres = 480,
572 .yres = 272,
573 .bpp = 16,
574 .hsync_len = 41,
575 .left_margin = 2,
576 .right_margin = 1,
577 .vsync_len = 10,
578 .upper_margin = 3,
579 .lower_margin = 1,
580 .sync = 0,
581 };
582
583 static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
584 .modes = &sharp_lq043t3dx02_mode,
585 .num_modes = 1,
586 .video_mem_size = 0x400000,
587 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
588 #ifdef CONFIG_PXA3XX_GCU
589 .acceleration_enabled = 1,
590 #endif
591 };
592
raumfeld_lcd_init(void)593 static void __init raumfeld_lcd_init(void)
594 {
595 int ret;
596
597 ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
598 if (ret < 0)
599 pr_warning("Unable to request GPIO_TFT_VA_EN\n");
600 else
601 gpio_direction_output(GPIO_TFT_VA_EN, 1);
602
603 msleep(100);
604
605 ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
606 if (ret < 0)
607 pr_warning("Unable to request GPIO_DISPLAY_ENABLE\n");
608 else
609 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
610
611 /* Hardware revision 2 has the backlight regulator controlled
612 * by an LT3593, earlier and later devices use PWM for that. */
613 if ((system_rev & 0xff) == 2) {
614 platform_device_register(&raumfeld_lt3593_device);
615 } else {
616 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
617 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
618 platform_device_register(&raumfeld_pwm_backlight_device);
619 }
620
621 pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
622 platform_device_register(&pxa3xx_device_gcu);
623 }
624
625 /**
626 * SPI devices
627 */
628
629 struct spi_gpio_platform_data raumfeld_spi_platform_data = {
630 .sck = GPIO_SPI_CLK,
631 .mosi = GPIO_SPI_MOSI,
632 .miso = GPIO_SPI_MISO,
633 .num_chipselect = 3,
634 };
635
636 static struct platform_device raumfeld_spi_device = {
637 .name = "spi_gpio",
638 .id = 0,
639 .dev = {
640 .platform_data = &raumfeld_spi_platform_data,
641 }
642 };
643
644 static struct lis3lv02d_platform_data lis3_pdata = {
645 .click_flags = LIS3_CLICK_SINGLE_X |
646 LIS3_CLICK_SINGLE_Y |
647 LIS3_CLICK_SINGLE_Z,
648 .irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
649 .wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
650 LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
651 LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
652 .wakeup_thresh = 10,
653 .click_thresh_x = 10,
654 .click_thresh_y = 10,
655 .click_thresh_z = 10,
656 };
657
658 #define SPI_AK4104 \
659 { \
660 .modalias = "ak4104-codec", \
661 .max_speed_hz = 10000, \
662 .bus_num = 0, \
663 .chip_select = 0, \
664 .controller_data = (void *) GPIO_SPDIF_CS, \
665 }
666
667 #define SPI_LIS3 \
668 { \
669 .modalias = "lis3lv02d_spi", \
670 .max_speed_hz = 1000000, \
671 .bus_num = 0, \
672 .chip_select = 1, \
673 .controller_data = (void *) GPIO_ACCEL_CS, \
674 .platform_data = &lis3_pdata, \
675 .irq = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ), \
676 }
677
678 #define SPI_DAC7512 \
679 { \
680 .modalias = "dac7512", \
681 .max_speed_hz = 1000000, \
682 .bus_num = 0, \
683 .chip_select = 2, \
684 .controller_data = (void *) GPIO_MCLK_DAC_CS, \
685 }
686
687 static struct spi_board_info connector_spi_devices[] __initdata = {
688 SPI_AK4104,
689 SPI_DAC7512,
690 };
691
692 static struct spi_board_info speaker_spi_devices[] __initdata = {
693 SPI_DAC7512,
694 };
695
696 static struct spi_board_info controller_spi_devices[] __initdata = {
697 SPI_LIS3,
698 };
699
700 /**
701 * MMC for Marvell Libertas 8688 via SDIO
702 */
703
raumfeld_mci_init(struct device * dev,irq_handler_t isr,void * data)704 static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
705 {
706 gpio_set_value(GPIO_W2W_RESET, 1);
707 gpio_set_value(GPIO_W2W_PDN, 1);
708
709 return 0;
710 }
711
raumfeld_mci_exit(struct device * dev,void * data)712 static void raumfeld_mci_exit(struct device *dev, void *data)
713 {
714 gpio_set_value(GPIO_W2W_RESET, 0);
715 gpio_set_value(GPIO_W2W_PDN, 0);
716 }
717
718 static struct pxamci_platform_data raumfeld_mci_platform_data = {
719 .init = raumfeld_mci_init,
720 .exit = raumfeld_mci_exit,
721 .detect_delay_ms = 200,
722 .gpio_card_detect = -1,
723 .gpio_card_ro = -1,
724 .gpio_power = -1,
725 };
726
727 /*
728 * External power / charge logic
729 */
730
power_supply_init(struct device * dev)731 static int power_supply_init(struct device *dev)
732 {
733 return 0;
734 }
735
power_supply_exit(struct device * dev)736 static void power_supply_exit(struct device *dev)
737 {
738 }
739
raumfeld_is_ac_online(void)740 static int raumfeld_is_ac_online(void)
741 {
742 return !gpio_get_value(GPIO_CHARGE_DC_OK);
743 }
744
raumfeld_is_usb_online(void)745 static int raumfeld_is_usb_online(void)
746 {
747 return 0;
748 }
749
750 static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
751
raumfeld_power_signal_charged(void)752 static void raumfeld_power_signal_charged(void)
753 {
754 struct power_supply *psy =
755 power_supply_get_by_name(raumfeld_power_supplicants[0]);
756
757 if (psy)
758 power_supply_set_battery_charged(psy);
759 }
760
raumfeld_power_resume(void)761 static int raumfeld_power_resume(void)
762 {
763 /* check if GPIO_CHARGE_DONE went low while we were sleeping */
764 if (!gpio_get_value(GPIO_CHARGE_DONE))
765 raumfeld_power_signal_charged();
766
767 return 0;
768 }
769
770 static struct pda_power_pdata power_supply_info = {
771 .init = power_supply_init,
772 .is_ac_online = raumfeld_is_ac_online,
773 .is_usb_online = raumfeld_is_usb_online,
774 .exit = power_supply_exit,
775 .supplied_to = raumfeld_power_supplicants,
776 .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants),
777 .resume = raumfeld_power_resume,
778 };
779
780 static struct resource power_supply_resources[] = {
781 {
782 .name = "ac",
783 .flags = IORESOURCE_IRQ |
784 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
785 .start = GPIO_CHARGE_DC_OK,
786 .end = GPIO_CHARGE_DC_OK,
787 },
788 };
789
charge_done_irq(int irq,void * dev_id)790 static irqreturn_t charge_done_irq(int irq, void *dev_id)
791 {
792 raumfeld_power_signal_charged();
793 return IRQ_HANDLED;
794 }
795
796 static struct platform_device raumfeld_power_supply = {
797 .name = "pda-power",
798 .id = -1,
799 .dev = {
800 .platform_data = &power_supply_info,
801 },
802 .resource = power_supply_resources,
803 .num_resources = ARRAY_SIZE(power_supply_resources),
804 };
805
raumfeld_power_init(void)806 static void __init raumfeld_power_init(void)
807 {
808 int ret;
809
810 /* Set PEN2 high to enable maximum charge current */
811 ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
812 if (ret < 0)
813 pr_warning("Unable to request GPIO_CHRG_PEN2\n");
814 else
815 gpio_direction_output(GPIO_CHRG_PEN2, 1);
816
817 ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
818 if (ret < 0)
819 pr_warning("Unable to request GPIO_CHARGE_DC_OK\n");
820
821 ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
822 if (ret < 0)
823 pr_warning("Unable to request GPIO_CHARGE_USB_SUSP\n");
824 else
825 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
826
827 power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
828 power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
829
830 ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
831 &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
832 "charge_done", NULL);
833
834 if (ret < 0)
835 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
836 GPIO_CHARGE_DONE);
837 else
838 platform_device_register(&raumfeld_power_supply);
839 }
840
841 /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
842
843 static struct regulator_consumer_supply audio_va_consumer_supply =
844 REGULATOR_SUPPLY("va", "0-0048");
845
846 struct regulator_init_data audio_va_initdata = {
847 .consumer_supplies = &audio_va_consumer_supply,
848 .num_consumer_supplies = 1,
849 .constraints = {
850 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
851 },
852 };
853
854 static struct fixed_voltage_config audio_va_config = {
855 .supply_name = "audio_va",
856 .microvolts = 5000000,
857 .gpio = GPIO_AUDIO_VA_ENABLE,
858 .enable_high = 1,
859 .enabled_at_boot = 0,
860 .init_data = &audio_va_initdata,
861 };
862
863 static struct platform_device audio_va_device = {
864 .name = "reg-fixed-voltage",
865 .id = 0,
866 .dev = {
867 .platform_data = &audio_va_config,
868 },
869 };
870
871 /* Dummy supplies for Codec's VD/VLC */
872
873 static struct regulator_consumer_supply audio_dummy_supplies[] = {
874 REGULATOR_SUPPLY("vd", "0-0048"),
875 REGULATOR_SUPPLY("vlc", "0-0048"),
876 };
877
878 struct regulator_init_data audio_dummy_initdata = {
879 .consumer_supplies = audio_dummy_supplies,
880 .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
881 .constraints = {
882 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
883 },
884 };
885
886 static struct fixed_voltage_config audio_dummy_config = {
887 .supply_name = "audio_vd",
888 .microvolts = 3300000,
889 .gpio = -1,
890 .init_data = &audio_dummy_initdata,
891 };
892
893 static struct platform_device audio_supply_dummy_device = {
894 .name = "reg-fixed-voltage",
895 .id = 1,
896 .dev = {
897 .platform_data = &audio_dummy_config,
898 },
899 };
900
901 static struct platform_device *audio_regulator_devices[] = {
902 &audio_va_device,
903 &audio_supply_dummy_device,
904 };
905
906 /**
907 * Regulator support via MAX8660
908 */
909
910 static struct regulator_consumer_supply vcc_mmc_supply =
911 REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
912
913 static struct regulator_init_data vcc_mmc_init_data = {
914 .constraints = {
915 .min_uV = 3300000,
916 .max_uV = 3300000,
917 .valid_modes_mask = REGULATOR_MODE_NORMAL,
918 .valid_ops_mask = REGULATOR_CHANGE_STATUS |
919 REGULATOR_CHANGE_VOLTAGE |
920 REGULATOR_CHANGE_MODE,
921 },
922 .consumer_supplies = &vcc_mmc_supply,
923 .num_consumer_supplies = 1,
924 };
925
926 struct max8660_subdev_data max8660_v6_subdev_data = {
927 .id = MAX8660_V6,
928 .name = "vmmc",
929 .platform_data = &vcc_mmc_init_data,
930 };
931
932 static struct max8660_platform_data max8660_pdata = {
933 .subdevs = &max8660_v6_subdev_data,
934 .num_subdevs = 1,
935 };
936
937 /**
938 * I2C devices
939 */
940
941 static struct i2c_board_info raumfeld_pwri2c_board_info = {
942 .type = "max8660",
943 .addr = 0x34,
944 .platform_data = &max8660_pdata,
945 };
946
947 static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
948 .type = "cs4270",
949 .addr = 0x48,
950 };
951
952 static struct eeti_ts_platform_data eeti_ts_pdata = {
953 .irq_active_high = 1,
954 };
955
956 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
957 .type = "eeti_ts",
958 .addr = 0x0a,
959 .irq = PXA_GPIO_TO_IRQ(GPIO_TOUCH_IRQ),
960 .platform_data = &eeti_ts_pdata,
961 };
962
963 static struct platform_device *raumfeld_common_devices[] = {
964 &raumfeld_gpio_keys_device,
965 &raumfeld_led_device,
966 &raumfeld_spi_device,
967 };
968
raumfeld_audio_init(void)969 static void __init raumfeld_audio_init(void)
970 {
971 int ret;
972
973 ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
974 if (ret < 0)
975 pr_warning("unable to request GPIO_CODEC_RESET\n");
976 else
977 gpio_direction_output(GPIO_CODEC_RESET, 1);
978
979 ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
980 if (ret < 0)
981 pr_warning("unable to request GPIO_SPDIF_RESET\n");
982 else
983 gpio_direction_output(GPIO_SPDIF_RESET, 1);
984
985 ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
986 if (ret < 0)
987 pr_warning("unable to request GPIO_MCLK_RESET\n");
988 else
989 gpio_direction_output(GPIO_MCLK_RESET, 1);
990
991 platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
992 }
993
raumfeld_common_init(void)994 static void __init raumfeld_common_init(void)
995 {
996 int ret;
997
998 /* The on/off button polarity has changed after revision 1 */
999 if ((system_rev & 0xff) > 1) {
1000 int i;
1001
1002 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1003 if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1004 gpio_keys_button[i].active_low = 1;
1005 }
1006
1007 enable_irq_wake(IRQ_WAKEUP0);
1008
1009 pxa3xx_set_nand_info(&raumfeld_nand_info);
1010 pxa3xx_set_i2c_power_info(NULL);
1011 pxa_set_ohci_info(&raumfeld_ohci_info);
1012 pxa_set_mci_info(&raumfeld_mci_platform_data);
1013 pxa_set_i2c_info(NULL);
1014 pxa_set_ffuart_info(NULL);
1015
1016 ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1017 if (ret < 0)
1018 pr_warning("Unable to request GPIO_W2W_RESET\n");
1019 else
1020 gpio_direction_output(GPIO_W2W_RESET, 0);
1021
1022 ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1023 if (ret < 0)
1024 pr_warning("Unable to request GPIO_W2W_PDN\n");
1025 else
1026 gpio_direction_output(GPIO_W2W_PDN, 0);
1027
1028 /* this can be used to switch off the device */
1029 ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1030 if (ret < 0)
1031 pr_warning("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1032 else
1033 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1034
1035 platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1036 i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1037 }
1038
raumfeld_controller_init(void)1039 static void __init raumfeld_controller_init(void)
1040 {
1041 int ret;
1042
1043 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1044 platform_device_register(&rotary_encoder_device);
1045 spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1046 i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1047
1048 ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1049 if (ret < 0)
1050 pr_warning("Unable to request GPIO_SHUTDOWN_BATT\n");
1051 else
1052 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1053
1054 raumfeld_common_init();
1055 raumfeld_power_init();
1056 raumfeld_lcd_init();
1057 raumfeld_w1_init();
1058 }
1059
raumfeld_connector_init(void)1060 static void __init raumfeld_connector_init(void)
1061 {
1062 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1063 spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1064 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1065
1066 platform_device_register(&smc91x_device);
1067
1068 raumfeld_audio_init();
1069 raumfeld_common_init();
1070 }
1071
raumfeld_speaker_init(void)1072 static void __init raumfeld_speaker_init(void)
1073 {
1074 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1075 spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1076 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1077
1078 platform_device_register(&smc91x_device);
1079 platform_device_register(&rotary_encoder_device);
1080
1081 raumfeld_audio_init();
1082 raumfeld_common_init();
1083 }
1084
1085 /* physical memory regions */
1086 #define RAUMFELD_SDRAM_BASE 0xa0000000 /* SDRAM region */
1087
1088 #ifdef CONFIG_MACH_RAUMFELD_RC
1089 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1090 .atag_offset = 0x100,
1091 .init_machine = raumfeld_controller_init,
1092 .map_io = pxa3xx_map_io,
1093 .init_irq = pxa3xx_init_irq,
1094 .handle_irq = pxa3xx_handle_irq,
1095 .timer = &pxa_timer,
1096 .restart = pxa_restart,
1097 MACHINE_END
1098 #endif
1099
1100 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1101 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1102 .atag_offset = 0x100,
1103 .init_machine = raumfeld_connector_init,
1104 .map_io = pxa3xx_map_io,
1105 .init_irq = pxa3xx_init_irq,
1106 .handle_irq = pxa3xx_handle_irq,
1107 .timer = &pxa_timer,
1108 .restart = pxa_restart,
1109 MACHINE_END
1110 #endif
1111
1112 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1113 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1114 .atag_offset = 0x100,
1115 .init_machine = raumfeld_speaker_init,
1116 .map_io = pxa3xx_map_io,
1117 .init_irq = pxa3xx_init_irq,
1118 .handle_irq = pxa3xx_handle_irq,
1119 .timer = &pxa_timer,
1120 .restart = pxa_restart,
1121 MACHINE_END
1122 #endif
1123