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.h>
33 #include <linux/pwm_backlight.h>
34 #include <linux/i2c.h>
35 #include <linux/i2c/pxa-i2c.h>
36 #include <linux/spi/spi.h>
37 #include <linux/spi/spi_gpio.h>
38 #include <linux/lis3lv02d.h>
39 #include <linux/pda_power.h>
40 #include <linux/power_supply.h>
41 #include <linux/regulator/max8660.h>
42 #include <linux/regulator/machine.h>
43 #include <linux/regulator/fixed.h>
44 #include <linux/regulator/consumer.h>
45 #include <linux/delay.h>
46
47 #include <asm/system_info.h>
48
49 #include <asm/mach-types.h>
50 #include <asm/mach/arch.h>
51
52 #include <mach/pxa300.h>
53 #include <linux/platform_data/usb-ohci-pxa27x.h>
54 #include <linux/platform_data/video-pxafb.h>
55 #include <linux/platform_data/mmc-pxamci.h>
56 #include <linux/platform_data/mtd-nand-pxa3xx.h>
57
58 #include "generic.h"
59 #include "devices.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 .ext_pullup_enable_pin = -EINVAL,
509 };
510
511 static struct platform_device raumfeld_w1_gpio_device = {
512 .name = "w1-gpio",
513 .dev = {
514 .platform_data = &w1_gpio_platform_data
515 }
516 };
517
raumfeld_w1_init(void)518 static void __init raumfeld_w1_init(void)
519 {
520 int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
521 "W1 external pullup enable");
522
523 if (ret < 0)
524 pr_warn("Unable to request GPIO_W1_PULLUP_ENABLE\n");
525 else
526 gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
527
528 platform_device_register(&raumfeld_w1_gpio_device);
529 }
530
531 /**
532 * Framebuffer device
533 */
534
535 static struct pwm_lookup raumfeld_pwm_lookup[] = {
536 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 10000,
537 PWM_POLARITY_NORMAL),
538 };
539
540 /* PWM controlled backlight */
541 static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
542 .max_brightness = 100,
543 .dft_brightness = 100,
544 .enable_gpio = -1,
545 };
546
547 static struct platform_device raumfeld_pwm_backlight_device = {
548 .name = "pwm-backlight",
549 .dev = {
550 .parent = &pxa27x_device_pwm0.dev,
551 .platform_data = &raumfeld_pwm_backlight_data,
552 }
553 };
554
555 /* LT3593 controlled backlight */
556 static struct gpio_led raumfeld_lt3593_led = {
557 .name = "backlight",
558 .gpio = mfp_to_gpio(MFP_PIN_GPIO17),
559 .default_state = LEDS_GPIO_DEFSTATE_ON,
560 };
561
562 static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
563 .leds = &raumfeld_lt3593_led,
564 .num_leds = 1,
565 };
566
567 static struct platform_device raumfeld_lt3593_device = {
568 .name = "leds-lt3593",
569 .id = -1,
570 .dev = {
571 .platform_data = &raumfeld_lt3593_platform_data,
572 },
573 };
574
575 static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
576 .pixclock = 111000,
577 .xres = 480,
578 .yres = 272,
579 .bpp = 16,
580 .hsync_len = 41,
581 .left_margin = 2,
582 .right_margin = 1,
583 .vsync_len = 10,
584 .upper_margin = 3,
585 .lower_margin = 1,
586 .sync = 0,
587 };
588
589 static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
590 .modes = &sharp_lq043t3dx02_mode,
591 .num_modes = 1,
592 .video_mem_size = 0x400000,
593 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
594 #ifdef CONFIG_PXA3XX_GCU
595 .acceleration_enabled = 1,
596 #endif
597 };
598
raumfeld_lcd_init(void)599 static void __init raumfeld_lcd_init(void)
600 {
601 int ret;
602
603 ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
604 if (ret < 0)
605 pr_warn("Unable to request GPIO_TFT_VA_EN\n");
606 else
607 gpio_direction_output(GPIO_TFT_VA_EN, 1);
608
609 msleep(100);
610
611 ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
612 if (ret < 0)
613 pr_warn("Unable to request GPIO_DISPLAY_ENABLE\n");
614 else
615 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
616
617 /* Hardware revision 2 has the backlight regulator controlled
618 * by an LT3593, earlier and later devices use PWM for that. */
619 if ((system_rev & 0xff) == 2) {
620 platform_device_register(&raumfeld_lt3593_device);
621 } else {
622 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
623 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
624 pwm_add_table(raumfeld_pwm_lookup,
625 ARRAY_SIZE(raumfeld_pwm_lookup));
626 platform_device_register(&raumfeld_pwm_backlight_device);
627 }
628
629 pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
630 platform_device_register(&pxa3xx_device_gcu);
631 }
632
633 /**
634 * SPI devices
635 */
636
637 static struct spi_gpio_platform_data raumfeld_spi_platform_data = {
638 .sck = GPIO_SPI_CLK,
639 .mosi = GPIO_SPI_MOSI,
640 .miso = GPIO_SPI_MISO,
641 .num_chipselect = 3,
642 };
643
644 static struct platform_device raumfeld_spi_device = {
645 .name = "spi_gpio",
646 .id = 0,
647 .dev = {
648 .platform_data = &raumfeld_spi_platform_data,
649 }
650 };
651
652 static struct lis3lv02d_platform_data lis3_pdata = {
653 .click_flags = LIS3_CLICK_SINGLE_X |
654 LIS3_CLICK_SINGLE_Y |
655 LIS3_CLICK_SINGLE_Z,
656 .irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
657 .wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
658 LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
659 LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
660 .wakeup_thresh = 10,
661 .click_thresh_x = 10,
662 .click_thresh_y = 10,
663 .click_thresh_z = 10,
664 };
665
666 #define SPI_AK4104 \
667 { \
668 .modalias = "ak4104-codec", \
669 .max_speed_hz = 10000, \
670 .bus_num = 0, \
671 .chip_select = 0, \
672 .controller_data = (void *) GPIO_SPDIF_CS, \
673 }
674
675 #define SPI_LIS3 \
676 { \
677 .modalias = "lis3lv02d_spi", \
678 .max_speed_hz = 1000000, \
679 .bus_num = 0, \
680 .chip_select = 1, \
681 .controller_data = (void *) GPIO_ACCEL_CS, \
682 .platform_data = &lis3_pdata, \
683 .irq = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ), \
684 }
685
686 #define SPI_DAC7512 \
687 { \
688 .modalias = "dac7512", \
689 .max_speed_hz = 1000000, \
690 .bus_num = 0, \
691 .chip_select = 2, \
692 .controller_data = (void *) GPIO_MCLK_DAC_CS, \
693 }
694
695 static struct spi_board_info connector_spi_devices[] __initdata = {
696 SPI_AK4104,
697 SPI_DAC7512,
698 };
699
700 static struct spi_board_info speaker_spi_devices[] __initdata = {
701 SPI_DAC7512,
702 };
703
704 static struct spi_board_info controller_spi_devices[] __initdata = {
705 SPI_LIS3,
706 };
707
708 /**
709 * MMC for Marvell Libertas 8688 via SDIO
710 */
711
raumfeld_mci_init(struct device * dev,irq_handler_t isr,void * data)712 static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
713 {
714 gpio_set_value(GPIO_W2W_RESET, 1);
715 gpio_set_value(GPIO_W2W_PDN, 1);
716
717 return 0;
718 }
719
raumfeld_mci_exit(struct device * dev,void * data)720 static void raumfeld_mci_exit(struct device *dev, void *data)
721 {
722 gpio_set_value(GPIO_W2W_RESET, 0);
723 gpio_set_value(GPIO_W2W_PDN, 0);
724 }
725
726 static struct pxamci_platform_data raumfeld_mci_platform_data = {
727 .init = raumfeld_mci_init,
728 .exit = raumfeld_mci_exit,
729 .detect_delay_ms = 200,
730 .gpio_card_detect = -1,
731 .gpio_card_ro = -1,
732 .gpio_power = -1,
733 };
734
735 /*
736 * External power / charge logic
737 */
738
power_supply_init(struct device * dev)739 static int power_supply_init(struct device *dev)
740 {
741 return 0;
742 }
743
power_supply_exit(struct device * dev)744 static void power_supply_exit(struct device *dev)
745 {
746 }
747
raumfeld_is_ac_online(void)748 static int raumfeld_is_ac_online(void)
749 {
750 return !gpio_get_value(GPIO_CHARGE_DC_OK);
751 }
752
raumfeld_is_usb_online(void)753 static int raumfeld_is_usb_online(void)
754 {
755 return 0;
756 }
757
758 static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
759
raumfeld_power_signal_charged(void)760 static void raumfeld_power_signal_charged(void)
761 {
762 struct power_supply *psy =
763 power_supply_get_by_name(raumfeld_power_supplicants[0]);
764
765 if (psy) {
766 power_supply_set_battery_charged(psy);
767 power_supply_put(psy);
768 }
769 }
770
raumfeld_power_resume(void)771 static int raumfeld_power_resume(void)
772 {
773 /* check if GPIO_CHARGE_DONE went low while we were sleeping */
774 if (!gpio_get_value(GPIO_CHARGE_DONE))
775 raumfeld_power_signal_charged();
776
777 return 0;
778 }
779
780 static struct pda_power_pdata power_supply_info = {
781 .init = power_supply_init,
782 .is_ac_online = raumfeld_is_ac_online,
783 .is_usb_online = raumfeld_is_usb_online,
784 .exit = power_supply_exit,
785 .supplied_to = raumfeld_power_supplicants,
786 .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants),
787 .resume = raumfeld_power_resume,
788 };
789
790 static struct resource power_supply_resources[] = {
791 {
792 .name = "ac",
793 .flags = IORESOURCE_IRQ |
794 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
795 .start = GPIO_CHARGE_DC_OK,
796 .end = GPIO_CHARGE_DC_OK,
797 },
798 };
799
charge_done_irq(int irq,void * dev_id)800 static irqreturn_t charge_done_irq(int irq, void *dev_id)
801 {
802 raumfeld_power_signal_charged();
803 return IRQ_HANDLED;
804 }
805
806 static struct platform_device raumfeld_power_supply = {
807 .name = "pda-power",
808 .id = -1,
809 .dev = {
810 .platform_data = &power_supply_info,
811 },
812 .resource = power_supply_resources,
813 .num_resources = ARRAY_SIZE(power_supply_resources),
814 };
815
raumfeld_power_init(void)816 static void __init raumfeld_power_init(void)
817 {
818 int ret;
819
820 /* Set PEN2 high to enable maximum charge current */
821 ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
822 if (ret < 0)
823 pr_warn("Unable to request GPIO_CHRG_PEN2\n");
824 else
825 gpio_direction_output(GPIO_CHRG_PEN2, 1);
826
827 ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
828 if (ret < 0)
829 pr_warn("Unable to request GPIO_CHARGE_DC_OK\n");
830
831 ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
832 if (ret < 0)
833 pr_warn("Unable to request GPIO_CHARGE_USB_SUSP\n");
834 else
835 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
836
837 power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
838 power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
839
840 ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
841 &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
842 "charge_done", NULL);
843
844 if (ret < 0)
845 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
846 GPIO_CHARGE_DONE);
847 else
848 platform_device_register(&raumfeld_power_supply);
849 }
850
851 /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
852
853 static struct regulator_consumer_supply audio_va_consumer_supply =
854 REGULATOR_SUPPLY("va", "0-0048");
855
856 static struct regulator_init_data audio_va_initdata = {
857 .consumer_supplies = &audio_va_consumer_supply,
858 .num_consumer_supplies = 1,
859 .constraints = {
860 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
861 },
862 };
863
864 static struct fixed_voltage_config audio_va_config = {
865 .supply_name = "audio_va",
866 .microvolts = 5000000,
867 .gpio = GPIO_AUDIO_VA_ENABLE,
868 .enable_high = 1,
869 .enabled_at_boot = 0,
870 .init_data = &audio_va_initdata,
871 };
872
873 static struct platform_device audio_va_device = {
874 .name = "reg-fixed-voltage",
875 .id = 0,
876 .dev = {
877 .platform_data = &audio_va_config,
878 },
879 };
880
881 /* Dummy supplies for Codec's VD/VLC */
882
883 static struct regulator_consumer_supply audio_dummy_supplies[] = {
884 REGULATOR_SUPPLY("vd", "0-0048"),
885 REGULATOR_SUPPLY("vlc", "0-0048"),
886 };
887
888 static struct regulator_init_data audio_dummy_initdata = {
889 .consumer_supplies = audio_dummy_supplies,
890 .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
891 .constraints = {
892 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
893 },
894 };
895
896 static struct fixed_voltage_config audio_dummy_config = {
897 .supply_name = "audio_vd",
898 .microvolts = 3300000,
899 .gpio = -1,
900 .init_data = &audio_dummy_initdata,
901 };
902
903 static struct platform_device audio_supply_dummy_device = {
904 .name = "reg-fixed-voltage",
905 .id = 1,
906 .dev = {
907 .platform_data = &audio_dummy_config,
908 },
909 };
910
911 static struct platform_device *audio_regulator_devices[] = {
912 &audio_va_device,
913 &audio_supply_dummy_device,
914 };
915
916 /**
917 * Regulator support via MAX8660
918 */
919
920 static struct regulator_consumer_supply vcc_mmc_supply =
921 REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
922
923 static struct regulator_init_data vcc_mmc_init_data = {
924 .constraints = {
925 .min_uV = 3300000,
926 .max_uV = 3300000,
927 .valid_modes_mask = REGULATOR_MODE_NORMAL,
928 .valid_ops_mask = REGULATOR_CHANGE_STATUS |
929 REGULATOR_CHANGE_VOLTAGE |
930 REGULATOR_CHANGE_MODE,
931 },
932 .consumer_supplies = &vcc_mmc_supply,
933 .num_consumer_supplies = 1,
934 };
935
936 static struct max8660_subdev_data max8660_v6_subdev_data = {
937 .id = MAX8660_V6,
938 .name = "vmmc",
939 .platform_data = &vcc_mmc_init_data,
940 };
941
942 static struct max8660_platform_data max8660_pdata = {
943 .subdevs = &max8660_v6_subdev_data,
944 .num_subdevs = 1,
945 };
946
947 /**
948 * I2C devices
949 */
950
951 static struct i2c_board_info raumfeld_pwri2c_board_info = {
952 .type = "max8660",
953 .addr = 0x34,
954 .platform_data = &max8660_pdata,
955 };
956
957 static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
958 .type = "cs4270",
959 .addr = 0x48,
960 };
961
962 static struct eeti_ts_platform_data eeti_ts_pdata = {
963 .irq_active_high = 1,
964 .irq_gpio = GPIO_TOUCH_IRQ,
965 };
966
967 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
968 .type = "eeti_ts",
969 .addr = 0x0a,
970 .platform_data = &eeti_ts_pdata,
971 };
972
973 static struct platform_device *raumfeld_common_devices[] = {
974 &raumfeld_gpio_keys_device,
975 &raumfeld_led_device,
976 &raumfeld_spi_device,
977 };
978
raumfeld_audio_init(void)979 static void __init raumfeld_audio_init(void)
980 {
981 int ret;
982
983 ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
984 if (ret < 0)
985 pr_warn("unable to request GPIO_CODEC_RESET\n");
986 else
987 gpio_direction_output(GPIO_CODEC_RESET, 1);
988
989 ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
990 if (ret < 0)
991 pr_warn("unable to request GPIO_SPDIF_RESET\n");
992 else
993 gpio_direction_output(GPIO_SPDIF_RESET, 1);
994
995 ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
996 if (ret < 0)
997 pr_warn("unable to request GPIO_MCLK_RESET\n");
998 else
999 gpio_direction_output(GPIO_MCLK_RESET, 1);
1000
1001 platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
1002 }
1003
raumfeld_common_init(void)1004 static void __init raumfeld_common_init(void)
1005 {
1006 int ret;
1007
1008 /* The on/off button polarity has changed after revision 1 */
1009 if ((system_rev & 0xff) > 1) {
1010 int i;
1011
1012 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1013 if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1014 gpio_keys_button[i].active_low = 1;
1015 }
1016
1017 enable_irq_wake(IRQ_WAKEUP0);
1018
1019 pxa3xx_set_nand_info(&raumfeld_nand_info);
1020 pxa3xx_set_i2c_power_info(NULL);
1021 pxa_set_ohci_info(&raumfeld_ohci_info);
1022 pxa_set_mci_info(&raumfeld_mci_platform_data);
1023 pxa_set_i2c_info(NULL);
1024 pxa_set_ffuart_info(NULL);
1025
1026 ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1027 if (ret < 0)
1028 pr_warn("Unable to request GPIO_W2W_RESET\n");
1029 else
1030 gpio_direction_output(GPIO_W2W_RESET, 0);
1031
1032 ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1033 if (ret < 0)
1034 pr_warn("Unable to request GPIO_W2W_PDN\n");
1035 else
1036 gpio_direction_output(GPIO_W2W_PDN, 0);
1037
1038 /* this can be used to switch off the device */
1039 ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1040 if (ret < 0)
1041 pr_warn("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1042 else
1043 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1044
1045 platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1046 i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1047 }
1048
raumfeld_controller_init(void)1049 static void __init raumfeld_controller_init(void)
1050 {
1051 int ret;
1052
1053 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1054 platform_device_register(&rotary_encoder_device);
1055 spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1056 i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1057
1058 ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1059 if (ret < 0)
1060 pr_warn("Unable to request GPIO_SHUTDOWN_BATT\n");
1061 else
1062 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1063
1064 raumfeld_common_init();
1065 raumfeld_power_init();
1066 raumfeld_lcd_init();
1067 raumfeld_w1_init();
1068 }
1069
raumfeld_connector_init(void)1070 static void __init raumfeld_connector_init(void)
1071 {
1072 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1073 spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1074 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1075
1076 platform_device_register(&smc91x_device);
1077
1078 raumfeld_audio_init();
1079 raumfeld_common_init();
1080 }
1081
raumfeld_speaker_init(void)1082 static void __init raumfeld_speaker_init(void)
1083 {
1084 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1085 spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1086 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1087
1088 platform_device_register(&smc91x_device);
1089 platform_device_register(&rotary_encoder_device);
1090
1091 raumfeld_audio_init();
1092 raumfeld_common_init();
1093 }
1094
1095 /* physical memory regions */
1096 #define RAUMFELD_SDRAM_BASE 0xa0000000 /* SDRAM region */
1097
1098 #ifdef CONFIG_MACH_RAUMFELD_RC
1099 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1100 .atag_offset = 0x100,
1101 .init_machine = raumfeld_controller_init,
1102 .map_io = pxa3xx_map_io,
1103 .nr_irqs = PXA_NR_IRQS,
1104 .init_irq = pxa3xx_init_irq,
1105 .handle_irq = pxa3xx_handle_irq,
1106 .init_time = pxa_timer_init,
1107 .restart = pxa_restart,
1108 MACHINE_END
1109 #endif
1110
1111 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1112 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1113 .atag_offset = 0x100,
1114 .init_machine = raumfeld_connector_init,
1115 .map_io = pxa3xx_map_io,
1116 .nr_irqs = PXA_NR_IRQS,
1117 .init_irq = pxa3xx_init_irq,
1118 .handle_irq = pxa3xx_handle_irq,
1119 .init_time = pxa_timer_init,
1120 .restart = pxa_restart,
1121 MACHINE_END
1122 #endif
1123
1124 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1125 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1126 .atag_offset = 0x100,
1127 .init_machine = raumfeld_speaker_init,
1128 .map_io = pxa3xx_map_io,
1129 .nr_irqs = PXA_NR_IRQS,
1130 .init_irq = pxa3xx_init_irq,
1131 .handle_irq = pxa3xx_handle_irq,
1132 .init_time = pxa_timer_init,
1133 .restart = pxa_restart,
1134 MACHINE_END
1135 #endif
1136