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Linux 4.11-rc5
[linux/fpc-iii.git] / arch / arm / mach-pxa / raumfeld.c
blobe216433b56ed6014bc104494c7412d39487e4df0
1 /*
2 * arch/arm/mach-pxa/raumfeld.c
3 *
4 * Support for the following Raumfeld devices:
5 *
6 * * Controller
7 * * Connector
8 * * Speaker S/M
9 *
10 * See http://www.raumfeld.com for details.
11 *
12 * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
17 */
18
19 #include <linux/init.h>
20 #include <linux/kernel.h>
21 #include <linux/property.h>
22 #include <linux/platform_device.h>
23 #include <linux/interrupt.h>
24 #include <linux/gpio.h>
25 #include <linux/gpio/machine.h>
26 #include <linux/smsc911x.h>
27 #include <linux/input.h>
28 #include <linux/gpio_keys.h>
29 #include <linux/input/eeti_ts.h>
30 #include <linux/leds.h>
31 #include <linux/w1-gpio.h>
32 #include <linux/sched.h>
33 #include <linux/pwm.h>
34 #include <linux/pwm_backlight.h>
35 #include <linux/i2c.h>
36 #include <linux/i2c/pxa-i2c.h>
37 #include <linux/spi/spi.h>
38 #include <linux/spi/spi_gpio.h>
39 #include <linux/lis3lv02d.h>
40 #include <linux/pda_power.h>
41 #include <linux/power_supply.h>
42 #include <linux/regulator/max8660.h>
43 #include <linux/regulator/machine.h>
44 #include <linux/regulator/fixed.h>
45 #include <linux/regulator/consumer.h>
46 #include <linux/delay.h>
47
48 #include <asm/system_info.h>
49
50 #include <asm/mach-types.h>
51 #include <asm/mach/arch.h>
52
53 #include "pxa300.h"
54 #include <linux/platform_data/usb-ohci-pxa27x.h>
55 #include <linux/platform_data/video-pxafb.h>
56 #include <linux/platform_data/mmc-pxamci.h>
57 #include <linux/platform_data/mtd-nand-pxa3xx.h>
58
59 #include "generic.h"
60 #include "devices.h"
61
62 /* common GPIO definitions */
63
64 /* inputs */
65 #define GPIO_ON_OFF (14)
66 #define GPIO_VOLENC_A (19)
67 #define GPIO_VOLENC_B (20)
68 #define GPIO_CHARGE_DONE (23)
69 #define GPIO_CHARGE_IND (27)
70 #define GPIO_TOUCH_IRQ (32)
71 #define GPIO_ETH_IRQ (40)
72 #define GPIO_SPI_MISO (98)
73 #define GPIO_ACCEL_IRQ (104)
74 #define GPIO_RESCUE_BOOT (115)
75 #define GPIO_DOCK_DETECT (116)
76 #define GPIO_KEY1 (117)
77 #define GPIO_KEY2 (118)
78 #define GPIO_KEY3 (119)
79 #define GPIO_CHARGE_USB_OK (112)
80 #define GPIO_CHARGE_DC_OK (101)
81 #define GPIO_CHARGE_USB_SUSP (102)
82
83 /* outputs */
84 #define GPIO_SHUTDOWN_SUPPLY (16)
85 #define GPIO_SHUTDOWN_BATT (18)
86 #define GPIO_CHRG_PEN2 (31)
87 #define GPIO_TFT_VA_EN (33)
88 #define GPIO_SPDIF_CS (34)
89 #define GPIO_LED2 (35)
90 #define GPIO_LED1 (36)
91 #define GPIO_SPDIF_RESET (38)
92 #define GPIO_SPI_CLK (95)
93 #define GPIO_MCLK_DAC_CS (96)
94 #define GPIO_SPI_MOSI (97)
95 #define GPIO_W1_PULLUP_ENABLE (105)
96 #define GPIO_DISPLAY_ENABLE (106)
97 #define GPIO_MCLK_RESET (111)
98 #define GPIO_W2W_RESET (113)
99 #define GPIO_W2W_PDN (114)
100 #define GPIO_CODEC_RESET (120)
101 #define GPIO_AUDIO_VA_ENABLE (124)
102 #define GPIO_ACCEL_CS (125)
103 #define GPIO_ONE_WIRE (126)
104
105 /*
106 * GPIO configurations
107 */
108 static mfp_cfg_t raumfeld_controller_pin_config[] __initdata = {
109 /* UART1 */
110 GPIO77_UART1_RXD,
111 GPIO78_UART1_TXD,
112 GPIO79_UART1_CTS,
113 GPIO81_UART1_DSR,
114 GPIO83_UART1_DTR,
115 GPIO84_UART1_RTS,
116
117 /* UART3 */
118 GPIO110_UART3_RXD,
119
120 /* USB Host */
121 GPIO0_2_USBH_PEN,
122 GPIO1_2_USBH_PWR,
123
124 /* I2C */
125 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
126 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
127
128 /* SPI */
129 GPIO34_GPIO, /* SPDIF_CS */
130 GPIO96_GPIO, /* MCLK_CS */
131 GPIO125_GPIO, /* ACCEL_CS */
132
133 /* MMC */
134 GPIO3_MMC1_DAT0,
135 GPIO4_MMC1_DAT1,
136 GPIO5_MMC1_DAT2,
137 GPIO6_MMC1_DAT3,
138 GPIO7_MMC1_CLK,
139 GPIO8_MMC1_CMD,
140
141 /* One-wire */
142 GPIO126_GPIO | MFP_LPM_FLOAT,
143 GPIO105_GPIO | MFP_PULL_LOW | MFP_LPM_PULL_LOW,
144
145 /* CHRG_USB_OK */
146 GPIO101_GPIO | MFP_PULL_HIGH,
147 /* CHRG_USB_OK */
148 GPIO112_GPIO | MFP_PULL_HIGH,
149 /* CHRG_USB_SUSP */
150 GPIO102_GPIO,
151 /* DISPLAY_ENABLE */
152 GPIO106_GPIO,
153 /* DOCK_DETECT */
154 GPIO116_GPIO | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
155
156 /* LCD */
157 GPIO54_LCD_LDD_0,
158 GPIO55_LCD_LDD_1,
159 GPIO56_LCD_LDD_2,
160 GPIO57_LCD_LDD_3,
161 GPIO58_LCD_LDD_4,
162 GPIO59_LCD_LDD_5,
163 GPIO60_LCD_LDD_6,
164 GPIO61_LCD_LDD_7,
165 GPIO62_LCD_LDD_8,
166 GPIO63_LCD_LDD_9,
167 GPIO64_LCD_LDD_10,
168 GPIO65_LCD_LDD_11,
169 GPIO66_LCD_LDD_12,
170 GPIO67_LCD_LDD_13,
171 GPIO68_LCD_LDD_14,
172 GPIO69_LCD_LDD_15,
173 GPIO70_LCD_LDD_16,
174 GPIO71_LCD_LDD_17,
175 GPIO72_LCD_FCLK,
176 GPIO73_LCD_LCLK,
177 GPIO74_LCD_PCLK,
178 GPIO75_LCD_BIAS,
179 };
180
181 static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = {
182 /* UART1 */
183 GPIO77_UART1_RXD,
184 GPIO78_UART1_TXD,
185 GPIO79_UART1_CTS,
186 GPIO81_UART1_DSR,
187 GPIO83_UART1_DTR,
188 GPIO84_UART1_RTS,
189
190 /* UART3 */
191 GPIO110_UART3_RXD,
192
193 /* USB Host */
194 GPIO0_2_USBH_PEN,
195 GPIO1_2_USBH_PWR,
196
197 /* I2C */
198 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
199 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
200
201 /* SPI */
202 GPIO34_GPIO, /* SPDIF_CS */
203 GPIO96_GPIO, /* MCLK_CS */
204 GPIO125_GPIO, /* ACCEL_CS */
205
206 /* MMC */
207 GPIO3_MMC1_DAT0,
208 GPIO4_MMC1_DAT1,
209 GPIO5_MMC1_DAT2,
210 GPIO6_MMC1_DAT3,
211 GPIO7_MMC1_CLK,
212 GPIO8_MMC1_CMD,
213
214 /* Ethernet */
215 GPIO1_nCS2, /* CS */
216 GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */
217
218 /* SSP for I2S */
219 GPIO85_SSP1_SCLK,
220 GPIO89_SSP1_EXTCLK,
221 GPIO86_SSP1_FRM,
222 GPIO87_SSP1_TXD,
223 GPIO88_SSP1_RXD,
224 GPIO90_SSP1_SYSCLK,
225
226 /* SSP2 for S/PDIF */
227 GPIO25_SSP2_SCLK,
228 GPIO26_SSP2_FRM,
229 GPIO27_SSP2_TXD,
230 GPIO29_SSP2_EXTCLK,
231
232 /* LEDs */
233 GPIO35_GPIO | MFP_LPM_PULL_LOW,
234 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
235 };
236
237 static mfp_cfg_t raumfeld_speaker_pin_config[] __initdata = {
238 /* UART1 */
239 GPIO77_UART1_RXD,
240 GPIO78_UART1_TXD,
241 GPIO79_UART1_CTS,
242 GPIO81_UART1_DSR,
243 GPIO83_UART1_DTR,
244 GPIO84_UART1_RTS,
245
246 /* UART3 */
247 GPIO110_UART3_RXD,
248
249 /* USB Host */
250 GPIO0_2_USBH_PEN,
251 GPIO1_2_USBH_PWR,
252
253 /* I2C */
254 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
255 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
256
257 /* SPI */
258 GPIO34_GPIO, /* SPDIF_CS */
259 GPIO96_GPIO, /* MCLK_CS */
260 GPIO125_GPIO, /* ACCEL_CS */
261
262 /* MMC */
263 GPIO3_MMC1_DAT0,
264 GPIO4_MMC1_DAT1,
265 GPIO5_MMC1_DAT2,
266 GPIO6_MMC1_DAT3,
267 GPIO7_MMC1_CLK,
268 GPIO8_MMC1_CMD,
269
270 /* Ethernet */
271 GPIO1_nCS2, /* CS */
272 GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */
273
274 /* SSP for I2S */
275 GPIO85_SSP1_SCLK,
276 GPIO89_SSP1_EXTCLK,
277 GPIO86_SSP1_FRM,
278 GPIO87_SSP1_TXD,
279 GPIO88_SSP1_RXD,
280 GPIO90_SSP1_SYSCLK,
281
282 /* LEDs */
283 GPIO35_GPIO | MFP_LPM_PULL_LOW,
284 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
285 };
286
287 /*
288 * SMSC LAN9220 Ethernet
289 */
290
291 static struct resource smc91x_resources[] = {
292 {
293 .start = PXA3xx_CS2_PHYS,
294 .end = PXA3xx_CS2_PHYS + 0xfffff,
295 .flags = IORESOURCE_MEM,
296 },
297 {
298 .start = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
299 .end = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
300 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
301 }
302 };
303
304 static struct smsc911x_platform_config raumfeld_smsc911x_config = {
305 .phy_interface = PHY_INTERFACE_MODE_MII,
306 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
307 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
308 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
309 };
310
311 static struct platform_device smc91x_device = {
312 .name = "smsc911x",
313 .id = -1,
314 .num_resources = ARRAY_SIZE(smc91x_resources),
315 .resource = smc91x_resources,
316 .dev = {
317 .platform_data = &raumfeld_smsc911x_config,
318 }
319 };
320
321 /**
322 * NAND
323 */
324
325 static struct mtd_partition raumfeld_nand_partitions[] = {
326 {
327 .name = "Bootloader",
328 .offset = 0,
329 .size = 0xa0000,
330 .mask_flags = MTD_WRITEABLE, /* force read-only */
331 },
332 {
333 .name = "BootloaderEnvironment",
334 .offset = 0xa0000,
335 .size = 0x20000,
336 },
337 {
338 .name = "BootloaderSplashScreen",
339 .offset = 0xc0000,
340 .size = 0x60000,
341 },
342 {
343 .name = "UBI",
344 .offset = 0x120000,
345 .size = MTDPART_SIZ_FULL,
346 },
347 };
348
349 static struct pxa3xx_nand_platform_data raumfeld_nand_info = {
350 .enable_arbiter = 1,
351 .keep_config = 1,
352 .num_cs = 1,
353 .parts[0] = raumfeld_nand_partitions,
354 .nr_parts[0] = ARRAY_SIZE(raumfeld_nand_partitions),
355 };
356
357 /**
358 * USB (OHCI) support
359 */
360
361 static struct pxaohci_platform_data raumfeld_ohci_info = {
362 .port_mode = PMM_GLOBAL_MODE,
363 .flags = ENABLE_PORT1,
364 };
365
366 /**
367 * Rotary encoder input device
368 */
369
370 static struct gpiod_lookup_table raumfeld_rotary_gpios_table = {
371 .dev_id = "rotary-encoder.0",
372 .table = {
373 GPIO_LOOKUP_IDX("gpio-0",
374 GPIO_VOLENC_A, NULL, 0, GPIO_ACTIVE_LOW),
375 GPIO_LOOKUP_IDX("gpio-0",
376 GPIO_VOLENC_B, NULL, 1, GPIO_ACTIVE_HIGH),
377 { },
378 },
379 };
380
381 static struct property_entry raumfeld_rotary_properties[] = {
382 PROPERTY_ENTRY_INTEGER("rotary-encoder,steps-per-period", u32, 24),
383 PROPERTY_ENTRY_INTEGER("linux,axis", u32, REL_X),
384 PROPERTY_ENTRY_INTEGER("rotary-encoder,relative_axis", u32, 1),
385 { },
386 };
387
388 static struct platform_device rotary_encoder_device = {
389 .name = "rotary-encoder",
390 .id = 0,
391 };
392
393 /**
394 * GPIO buttons
395 */
396
397 static struct gpio_keys_button gpio_keys_button[] = {
398 {
399 .code = KEY_F1,
400 .type = EV_KEY,
401 .gpio = GPIO_KEY1,
402 .active_low = 1,
403 .wakeup = 0,
404 .debounce_interval = 5, /* ms */
405 .desc = "Button 1",
406 },
407 {
408 .code = KEY_F2,
409 .type = EV_KEY,
410 .gpio = GPIO_KEY2,
411 .active_low = 1,
412 .wakeup = 0,
413 .debounce_interval = 5, /* ms */
414 .desc = "Button 2",
415 },
416 {
417 .code = KEY_F3,
418 .type = EV_KEY,
419 .gpio = GPIO_KEY3,
420 .active_low = 1,
421 .wakeup = 0,
422 .debounce_interval = 5, /* ms */
423 .desc = "Button 3",
424 },
425 {
426 .code = KEY_F4,
427 .type = EV_KEY,
428 .gpio = GPIO_RESCUE_BOOT,
429 .active_low = 0,
430 .wakeup = 0,
431 .debounce_interval = 5, /* ms */
432 .desc = "rescue boot button",
433 },
434 {
435 .code = KEY_F5,
436 .type = EV_KEY,
437 .gpio = GPIO_DOCK_DETECT,
438 .active_low = 1,
439 .wakeup = 0,
440 .debounce_interval = 5, /* ms */
441 .desc = "dock detect",
442 },
443 {
444 .code = KEY_F6,
445 .type = EV_KEY,
446 .gpio = GPIO_ON_OFF,
447 .active_low = 0,
448 .wakeup = 0,
449 .debounce_interval = 5, /* ms */
450 .desc = "on_off button",
451 },
452 };
453
454 static struct gpio_keys_platform_data gpio_keys_platform_data = {
455 .buttons = gpio_keys_button,
456 .nbuttons = ARRAY_SIZE(gpio_keys_button),
457 .rep = 0,
458 };
459
460 static struct platform_device raumfeld_gpio_keys_device = {
461 .name = "gpio-keys",
462 .id = -1,
463 .dev = {
464 .platform_data = &gpio_keys_platform_data,
465 }
466 };
467
468 /**
469 * GPIO LEDs
470 */
471
472 static struct gpio_led raumfeld_leds[] = {
473 {
474 .name = "raumfeld:1",
475 .gpio = GPIO_LED1,
476 .active_low = 1,
477 .default_state = LEDS_GPIO_DEFSTATE_ON,
478 },
479 {
480 .name = "raumfeld:2",
481 .gpio = GPIO_LED2,
482 .active_low = 0,
483 .default_state = LEDS_GPIO_DEFSTATE_OFF,
484 }
485 };
486
487 static struct gpio_led_platform_data raumfeld_led_platform_data = {
488 .leds = raumfeld_leds,
489 .num_leds = ARRAY_SIZE(raumfeld_leds),
490 };
491
492 static struct platform_device raumfeld_led_device = {
493 .name = "leds-gpio",
494 .id = -1,
495 .dev = {
496 .platform_data = &raumfeld_led_platform_data,
497 },
498 };
499
500 /**
501 * One-wire (W1 bus) support
502 */
503
504 static void w1_enable_external_pullup(int enable)
505 {
506 gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
507 msleep(100);
508 }
509
510 static struct w1_gpio_platform_data w1_gpio_platform_data = {
511 .pin = GPIO_ONE_WIRE,
512 .is_open_drain = 0,
513 .enable_external_pullup = w1_enable_external_pullup,
514 .ext_pullup_enable_pin = -EINVAL,
515 };
516
517 static struct platform_device raumfeld_w1_gpio_device = {
518 .name = "w1-gpio",
519 .dev = {
520 .platform_data = &w1_gpio_platform_data
521 }
522 };
523
524 static void __init raumfeld_w1_init(void)
525 {
526 int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
527 "W1 external pullup enable");
528
529 if (ret < 0)
530 pr_warn("Unable to request GPIO_W1_PULLUP_ENABLE\n");
531 else
532 gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
533
534 platform_device_register(&raumfeld_w1_gpio_device);
535 }
536
537 /**
538 * Framebuffer device
539 */
540
541 static struct pwm_lookup raumfeld_pwm_lookup[] = {
542 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 10000,
543 PWM_POLARITY_NORMAL),
544 };
545
546 /* PWM controlled backlight */
547 static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
548 .max_brightness = 100,
549 .dft_brightness = 100,
550 .enable_gpio = -1,
551 };
552
553 static struct platform_device raumfeld_pwm_backlight_device = {
554 .name = "pwm-backlight",
555 .dev = {
556 .parent = &pxa27x_device_pwm0.dev,
557 .platform_data = &raumfeld_pwm_backlight_data,
558 }
559 };
560
561 /* LT3593 controlled backlight */
562 static struct gpio_led raumfeld_lt3593_led = {
563 .name = "backlight",
564 .gpio = mfp_to_gpio(MFP_PIN_GPIO17),
565 .default_state = LEDS_GPIO_DEFSTATE_ON,
566 };
567
568 static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
569 .leds = &raumfeld_lt3593_led,
570 .num_leds = 1,
571 };
572
573 static struct platform_device raumfeld_lt3593_device = {
574 .name = "leds-lt3593",
575 .id = -1,
576 .dev = {
577 .platform_data = &raumfeld_lt3593_platform_data,
578 },
579 };
580
581 static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
582 .pixclock = 111000,
583 .xres = 480,
584 .yres = 272,
585 .bpp = 16,
586 .hsync_len = 41,
587 .left_margin = 2,
588 .right_margin = 1,
589 .vsync_len = 10,
590 .upper_margin = 3,
591 .lower_margin = 1,
592 .sync = 0,
593 };
594
595 static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
596 .modes = &sharp_lq043t3dx02_mode,
597 .num_modes = 1,
598 .video_mem_size = 0x400000,
599 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
600 #ifdef CONFIG_PXA3XX_GCU
601 .acceleration_enabled = 1,
602 #endif
603 };
604
605 static void __init raumfeld_lcd_init(void)
606 {
607 int ret;
608
609 ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
610 if (ret < 0)
611 pr_warn("Unable to request GPIO_TFT_VA_EN\n");
612 else
613 gpio_direction_output(GPIO_TFT_VA_EN, 1);
614
615 msleep(100);
616
617 ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
618 if (ret < 0)
619 pr_warn("Unable to request GPIO_DISPLAY_ENABLE\n");
620 else
621 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
622
623 /* Hardware revision 2 has the backlight regulator controlled
624 * by an LT3593, earlier and later devices use PWM for that. */
625 if ((system_rev & 0xff) == 2) {
626 platform_device_register(&raumfeld_lt3593_device);
627 } else {
628 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
629 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
630 pwm_add_table(raumfeld_pwm_lookup,
631 ARRAY_SIZE(raumfeld_pwm_lookup));
632 platform_device_register(&raumfeld_pwm_backlight_device);
633 }
634
635 pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
636 platform_device_register(&pxa3xx_device_gcu);
637 }
638
639 /**
640 * SPI devices
641 */
642
643 static struct spi_gpio_platform_data raumfeld_spi_platform_data = {
644 .sck = GPIO_SPI_CLK,
645 .mosi = GPIO_SPI_MOSI,
646 .miso = GPIO_SPI_MISO,
647 .num_chipselect = 3,
648 };
649
650 static struct platform_device raumfeld_spi_device = {
651 .name = "spi_gpio",
652 .id = 0,
653 .dev = {
654 .platform_data = &raumfeld_spi_platform_data,
655 }
656 };
657
658 static struct lis3lv02d_platform_data lis3_pdata = {
659 .click_flags = LIS3_CLICK_SINGLE_X |
660 LIS3_CLICK_SINGLE_Y |
661 LIS3_CLICK_SINGLE_Z,
662 .irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
663 .wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
664 LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
665 LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
666 .wakeup_thresh = 10,
667 .click_thresh_x = 10,
668 .click_thresh_y = 10,
669 .click_thresh_z = 10,
670 };
671
672 #define SPI_AK4104 \
673 { \
674 .modalias = "ak4104-codec", \
675 .max_speed_hz = 10000, \
676 .bus_num = 0, \
677 .chip_select = 0, \
678 .controller_data = (void *) GPIO_SPDIF_CS, \
679 }
680
681 #define SPI_LIS3 \
682 { \
683 .modalias = "lis3lv02d_spi", \
684 .max_speed_hz = 1000000, \
685 .bus_num = 0, \
686 .chip_select = 1, \
687 .controller_data = (void *) GPIO_ACCEL_CS, \
688 .platform_data = &lis3_pdata, \
689 .irq = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ), \
690 }
691
692 #define SPI_DAC7512 \
693 { \
694 .modalias = "dac7512", \
695 .max_speed_hz = 1000000, \
696 .bus_num = 0, \
697 .chip_select = 2, \
698 .controller_data = (void *) GPIO_MCLK_DAC_CS, \
699 }
700
701 static struct spi_board_info connector_spi_devices[] __initdata = {
702 SPI_AK4104,
703 SPI_DAC7512,
704 };
705
706 static struct spi_board_info speaker_spi_devices[] __initdata = {
707 SPI_DAC7512,
708 };
709
710 static struct spi_board_info controller_spi_devices[] __initdata = {
711 SPI_LIS3,
712 };
713
714 /**
715 * MMC for Marvell Libertas 8688 via SDIO
716 */
717
718 static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
719 {
720 gpio_set_value(GPIO_W2W_RESET, 1);
721 gpio_set_value(GPIO_W2W_PDN, 1);
722
723 return 0;
724 }
725
726 static void raumfeld_mci_exit(struct device *dev, void *data)
727 {
728 gpio_set_value(GPIO_W2W_RESET, 0);
729 gpio_set_value(GPIO_W2W_PDN, 0);
730 }
731
732 static struct pxamci_platform_data raumfeld_mci_platform_data = {
733 .init = raumfeld_mci_init,
734 .exit = raumfeld_mci_exit,
735 .detect_delay_ms = 200,
736 .gpio_card_detect = -1,
737 .gpio_card_ro = -1,
738 .gpio_power = -1,
739 };
740
741 /*
742 * External power / charge logic
743 */
744
745 static int power_supply_init(struct device *dev)
746 {
747 return 0;
748 }
749
750 static void power_supply_exit(struct device *dev)
751 {
752 }
753
754 static int raumfeld_is_ac_online(void)
755 {
756 return !gpio_get_value(GPIO_CHARGE_DC_OK);
757 }
758
759 static int raumfeld_is_usb_online(void)
760 {
761 return 0;
762 }
763
764 static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
765
766 static void raumfeld_power_signal_charged(void)
767 {
768 struct power_supply *psy =
769 power_supply_get_by_name(raumfeld_power_supplicants[0]);
770
771 if (psy) {
772 power_supply_set_battery_charged(psy);
773 power_supply_put(psy);
774 }
775 }
776
777 static int raumfeld_power_resume(void)
778 {
779 /* check if GPIO_CHARGE_DONE went low while we were sleeping */
780 if (!gpio_get_value(GPIO_CHARGE_DONE))
781 raumfeld_power_signal_charged();
782
783 return 0;
784 }
785
786 static struct pda_power_pdata power_supply_info = {
787 .init = power_supply_init,
788 .is_ac_online = raumfeld_is_ac_online,
789 .is_usb_online = raumfeld_is_usb_online,
790 .exit = power_supply_exit,
791 .supplied_to = raumfeld_power_supplicants,
792 .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants),
793 .resume = raumfeld_power_resume,
794 };
795
796 static struct resource power_supply_resources[] = {
797 {
798 .name = "ac",
799 .flags = IORESOURCE_IRQ |
800 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
801 .start = GPIO_CHARGE_DC_OK,
802 .end = GPIO_CHARGE_DC_OK,
803 },
804 };
805
806 static irqreturn_t charge_done_irq(int irq, void *dev_id)
807 {
808 raumfeld_power_signal_charged();
809 return IRQ_HANDLED;
810 }
811
812 static struct platform_device raumfeld_power_supply = {
813 .name = "pda-power",
814 .id = -1,
815 .dev = {
816 .platform_data = &power_supply_info,
817 },
818 .resource = power_supply_resources,
819 .num_resources = ARRAY_SIZE(power_supply_resources),
820 };
821
822 static void __init raumfeld_power_init(void)
823 {
824 int ret;
825
826 /* Set PEN2 high to enable maximum charge current */
827 ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
828 if (ret < 0)
829 pr_warn("Unable to request GPIO_CHRG_PEN2\n");
830 else
831 gpio_direction_output(GPIO_CHRG_PEN2, 1);
832
833 ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
834 if (ret < 0)
835 pr_warn("Unable to request GPIO_CHARGE_DC_OK\n");
836
837 ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
838 if (ret < 0)
839 pr_warn("Unable to request GPIO_CHARGE_USB_SUSP\n");
840 else
841 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
842
843 power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
844 power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
845
846 ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
847 &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
848 "charge_done", NULL);
849
850 if (ret < 0)
851 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
852 GPIO_CHARGE_DONE);
853 else
854 platform_device_register(&raumfeld_power_supply);
855 }
856
857 /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
858
859 static struct regulator_consumer_supply audio_va_consumer_supply =
860 REGULATOR_SUPPLY("va", "0-0048");
861
862 static struct regulator_init_data audio_va_initdata = {
863 .consumer_supplies = &audio_va_consumer_supply,
864 .num_consumer_supplies = 1,
865 .constraints = {
866 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
867 },
868 };
869
870 static struct fixed_voltage_config audio_va_config = {
871 .supply_name = "audio_va",
872 .microvolts = 5000000,
873 .gpio = GPIO_AUDIO_VA_ENABLE,
874 .enable_high = 1,
875 .enabled_at_boot = 0,
876 .init_data = &audio_va_initdata,
877 };
878
879 static struct platform_device audio_va_device = {
880 .name = "reg-fixed-voltage",
881 .id = 0,
882 .dev = {
883 .platform_data = &audio_va_config,
884 },
885 };
886
887 /* Dummy supplies for Codec's VD/VLC */
888
889 static struct regulator_consumer_supply audio_dummy_supplies[] = {
890 REGULATOR_SUPPLY("vd", "0-0048"),
891 REGULATOR_SUPPLY("vlc", "0-0048"),
892 };
893
894 static struct regulator_init_data audio_dummy_initdata = {
895 .consumer_supplies = audio_dummy_supplies,
896 .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
897 .constraints = {
898 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
899 },
900 };
901
902 static struct fixed_voltage_config audio_dummy_config = {
903 .supply_name = "audio_vd",
904 .microvolts = 3300000,
905 .gpio = -1,
906 .init_data = &audio_dummy_initdata,
907 };
908
909 static struct platform_device audio_supply_dummy_device = {
910 .name = "reg-fixed-voltage",
911 .id = 1,
912 .dev = {
913 .platform_data = &audio_dummy_config,
914 },
915 };
916
917 static struct platform_device *audio_regulator_devices[] = {
918 &audio_va_device,
919 &audio_supply_dummy_device,
920 };
921
922 /**
923 * Regulator support via MAX8660
924 */
925
926 static struct regulator_consumer_supply vcc_mmc_supply =
927 REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
928
929 static struct regulator_init_data vcc_mmc_init_data = {
930 .constraints = {
931 .min_uV = 3300000,
932 .max_uV = 3300000,
933 .valid_modes_mask = REGULATOR_MODE_NORMAL,
934 .valid_ops_mask = REGULATOR_CHANGE_STATUS |
935 REGULATOR_CHANGE_VOLTAGE |
936 REGULATOR_CHANGE_MODE,
937 },
938 .consumer_supplies = &vcc_mmc_supply,
939 .num_consumer_supplies = 1,
940 };
941
942 static struct max8660_subdev_data max8660_v6_subdev_data = {
943 .id = MAX8660_V6,
944 .name = "vmmc",
945 .platform_data = &vcc_mmc_init_data,
946 };
947
948 static struct max8660_platform_data max8660_pdata = {
949 .subdevs = &max8660_v6_subdev_data,
950 .num_subdevs = 1,
951 };
952
953 /**
954 * I2C devices
955 */
956
957 static struct i2c_board_info raumfeld_pwri2c_board_info = {
958 .type = "max8660",
959 .addr = 0x34,
960 .platform_data = &max8660_pdata,
961 };
962
963 static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
964 .type = "cs4270",
965 .addr = 0x48,
966 };
967
968 static struct eeti_ts_platform_data eeti_ts_pdata = {
969 .irq_active_high = 1,
970 .irq_gpio = GPIO_TOUCH_IRQ,
971 };
972
973 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
974 .type = "eeti_ts",
975 .addr = 0x0a,
976 .platform_data = &eeti_ts_pdata,
977 };
978
979 static struct platform_device *raumfeld_common_devices[] = {
980 &raumfeld_gpio_keys_device,
981 &raumfeld_led_device,
982 &raumfeld_spi_device,
983 };
984
985 static void __init raumfeld_audio_init(void)
986 {
987 int ret;
988
989 ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
990 if (ret < 0)
991 pr_warn("unable to request GPIO_CODEC_RESET\n");
992 else
993 gpio_direction_output(GPIO_CODEC_RESET, 1);
994
995 ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
996 if (ret < 0)
997 pr_warn("unable to request GPIO_SPDIF_RESET\n");
998 else
999 gpio_direction_output(GPIO_SPDIF_RESET, 1);
1000
1001 ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
1002 if (ret < 0)
1003 pr_warn("unable to request GPIO_MCLK_RESET\n");
1004 else
1005 gpio_direction_output(GPIO_MCLK_RESET, 1);
1006
1007 platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
1008 }
1009
1010 static void __init raumfeld_common_init(void)
1011 {
1012 int ret;
1013
1014 /* The on/off button polarity has changed after revision 1 */
1015 if ((system_rev & 0xff) > 1) {
1016 int i;
1017
1018 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1019 if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1020 gpio_keys_button[i].active_low = 1;
1021 }
1022
1023 enable_irq_wake(IRQ_WAKEUP0);
1024
1025 pxa3xx_set_nand_info(&raumfeld_nand_info);
1026 pxa3xx_set_i2c_power_info(NULL);
1027 pxa_set_ohci_info(&raumfeld_ohci_info);
1028 pxa_set_mci_info(&raumfeld_mci_platform_data);
1029 pxa_set_i2c_info(NULL);
1030 pxa_set_ffuart_info(NULL);
1031
1032 ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1033 if (ret < 0)
1034 pr_warn("Unable to request GPIO_W2W_RESET\n");
1035 else
1036 gpio_direction_output(GPIO_W2W_RESET, 0);
1037
1038 ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1039 if (ret < 0)
1040 pr_warn("Unable to request GPIO_W2W_PDN\n");
1041 else
1042 gpio_direction_output(GPIO_W2W_PDN, 0);
1043
1044 /* this can be used to switch off the device */
1045 ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1046 if (ret < 0)
1047 pr_warn("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1048 else
1049 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1050
1051 platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1052 i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1053 }
1054
1055 static void __init __maybe_unused raumfeld_controller_init(void)
1056 {
1057 int ret;
1058
1059 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1060
1061 gpiod_add_lookup_table(&raumfeld_rotary_gpios_table);
1062 device_add_properties(&rotary_encoder_device.dev,
1063 raumfeld_rotary_properties);
1064 platform_device_register(&rotary_encoder_device);
1065
1066 spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1067 i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1068
1069 ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1070 if (ret < 0)
1071 pr_warn("Unable to request GPIO_SHUTDOWN_BATT\n");
1072 else
1073 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1074
1075 raumfeld_common_init();
1076 raumfeld_power_init();
1077 raumfeld_lcd_init();
1078 raumfeld_w1_init();
1079 }
1080
1081 static void __init __maybe_unused raumfeld_connector_init(void)
1082 {
1083 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1084 spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1085 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1086
1087 platform_device_register(&smc91x_device);
1088
1089 raumfeld_audio_init();
1090 raumfeld_common_init();
1091 }
1092
1093 static void __init __maybe_unused raumfeld_speaker_init(void)
1094 {
1095 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1096 spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1097 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1098
1099 platform_device_register(&smc91x_device);
1100
1101 gpiod_add_lookup_table(&raumfeld_rotary_gpios_table);
1102 device_add_properties(&rotary_encoder_device.dev,
1103 raumfeld_rotary_properties);
1104 platform_device_register(&rotary_encoder_device);
1105
1106 raumfeld_audio_init();
1107 raumfeld_common_init();
1108 }
1109
1110 /* physical memory regions */
1111 #define RAUMFELD_SDRAM_BASE 0xa0000000 /* SDRAM region */
1112
1113 #ifdef CONFIG_MACH_RAUMFELD_RC
1114 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1115 .atag_offset = 0x100,
1116 .init_machine = raumfeld_controller_init,
1117 .map_io = pxa3xx_map_io,
1118 .nr_irqs = PXA_NR_IRQS,
1119 .init_irq = pxa3xx_init_irq,
1120 .handle_irq = pxa3xx_handle_irq,
1121 .init_time = pxa_timer_init,
1122 .restart = pxa_restart,
1123 MACHINE_END
1124 #endif
1125
1126 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1127 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1128 .atag_offset = 0x100,
1129 .init_machine = raumfeld_connector_init,
1130 .map_io = pxa3xx_map_io,
1131 .nr_irqs = PXA_NR_IRQS,
1132 .init_irq = pxa3xx_init_irq,
1133 .handle_irq = pxa3xx_handle_irq,
1134 .init_time = pxa_timer_init,
1135 .restart = pxa_restart,
1136 MACHINE_END
1137 #endif
1138
1139 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1140 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1141 .atag_offset = 0x100,
1142 .init_machine = raumfeld_speaker_init,
1143 .map_io = pxa3xx_map_io,
1144 .nr_irqs = PXA_NR_IRQS,
1145 .init_irq = pxa3xx_init_irq,
1146 .handle_irq = pxa3xx_handle_irq,
1147 .init_time = pxa_timer_init,
1148 .restart = pxa_restart,
1149 MACHINE_END
1150 #endif
Linux with added FPC-III support