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Merge tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[mirror_ubuntu-artful-kernel.git] / arch / arm / mach-pxa / raumfeld.c
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550ee52d
DM		 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>
550ee52d
DM		 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>
b459396e 34#include <linux/i2c/pxa-i2c.h>
550ee52d
DM		 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>
550ee52d
DM		 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
86dfe446
OJ		 46#include <asm/system_info.h>
47
550ee52d
DM		 48#include <asm/mach-types.h>
49#include <asm/mach/arch.h>
50
ca0e687c 51#include <mach/pxa300.h>
293b2da1
AB		 52#include <linux/platform_data/usb-ohci-pxa27x.h>
53#include <linux/platform_data/video-pxafb.h>
54#include <linux/platform_data/mmc-pxamci.h>
55#include <linux/platform_data/mtd-nand-pxa3xx.h>
550ee52d
DM		 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 */
107static 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
180static 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,
31436bbe
DM		 230
231 /* LEDs */
232 GPIO35_GPIO | MFP_LPM_PULL_LOW,
233 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
550ee52d
DM		 234};
235
236static 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,
31436bbe
DM		 280
281 /* LEDs */
282 GPIO35_GPIO | MFP_LPM_PULL_LOW,
283 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
550ee52d
DM		 284};
285
286/*
287 * SMSC LAN9220 Ethernet
288 */
289
290static struct resource smc91x_resources[] = {
291 {
292 .start = PXA3xx_CS2_PHYS,
293 .end = PXA3xx_CS2_PHYS + 0xfffff,
294 .flags = IORESOURCE_MEM,
295 },
296 {
4929f5a8
HZ		 297 .start = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
298 .end = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
550ee52d
DM		 299 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
300 }
301};
302
303static 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
310static 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
324static 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
348static struct pxa3xx_nand_platform_data raumfeld_nand_info = {
349 .enable_arbiter = 1,
350 .keep_config = 1,
f3c8cfc2
LW		 351 .num_cs = 1,
352 .parts[0] = raumfeld_nand_partitions,
353 .nr_parts[0] = ARRAY_SIZE(raumfeld_nand_partitions),
550ee52d
DM		 354};
355
356/**
357 * USB (OHCI) support
358 */
359
360static 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
369static 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
379static 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
391static 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 */
fe3ebaad 444 .desc = "on_off button",
550ee52d
DM		 445 },
446};
447
448static 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
454static 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
466static 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
481static struct gpio_led_platform_data raumfeld_led_platform_data = {
482 .leds = raumfeld_leds,
483 .num_leds = ARRAY_SIZE(raumfeld_leds),
484};
485
486static 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
498static void w1_enable_external_pullup(int enable)
499{
500 gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
501 msleep(100);
502}
503
504static 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,
2d798a3f 508 .ext_pullup_enable_pin = -EINVAL,
550ee52d
DM		 509};
510
511struct platform_device raumfeld_w1_gpio_device = {
512 .name = "w1-gpio",
513 .dev = {
514 .platform_data = &w1_gpio_platform_data
515 }
516};
517
518static 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)
7b472ac7 524 pr_warn("Unable to request GPIO_W1_PULLUP_ENABLE\n");
550ee52d
DM		 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/* PWM controlled backlight */
536static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
537 .pwm_id = 0,
538 .max_brightness = 100,
539 .dft_brightness = 100,
540 /* 10000 ns = 10 ms ^= 100 kHz */
541 .pwm_period_ns = 10000,
db01120c 542 .enable_gpio = -1,
550ee52d
DM		 543};
544
545static struct platform_device raumfeld_pwm_backlight_device = {
546 .name = "pwm-backlight",
547 .dev = {
548 .parent = &pxa27x_device_pwm0.dev,
549 .platform_data = &raumfeld_pwm_backlight_data,
550 }
551};
552
553/* LT3593 controlled backlight */
554static struct gpio_led raumfeld_lt3593_led = {
555 .name = "backlight",
556 .gpio = mfp_to_gpio(MFP_PIN_GPIO17),
557 .default_state = LEDS_GPIO_DEFSTATE_ON,
558};
559
560static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
561 .leds = &raumfeld_lt3593_led,
562 .num_leds = 1,
563};
564
565static struct platform_device raumfeld_lt3593_device = {
566 .name = "leds-lt3593",
567 .id = -1,
568 .dev = {
569 .platform_data = &raumfeld_lt3593_platform_data,
570 },
571};
572
573static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
574 .pixclock = 111000,
575 .xres = 480,
576 .yres = 272,
577 .bpp = 16,
a74fe119 578 .hsync_len = 41,
550ee52d
DM		 579 .left_margin = 2,
580 .right_margin = 1,
a74fe119 581 .vsync_len = 10,
550ee52d
DM		 582 .upper_margin = 3,
583 .lower_margin = 1,
584 .sync = 0,
585};
586
587static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
588 .modes = &sharp_lq043t3dx02_mode,
589 .num_modes = 1,
590 .video_mem_size = 0x400000,
591 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
aa117816
DM		 592#ifdef CONFIG_PXA3XX_GCU
593 .acceleration_enabled = 1,
594#endif
550ee52d
DM		 595};
596
597static void __init raumfeld_lcd_init(void)
598{
599 int ret;
600
550ee52d
DM		 601 ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
602 if (ret < 0)
7b472ac7 603 pr_warn("Unable to request GPIO_TFT_VA_EN\n");
550ee52d
DM		 604 else
605 gpio_direction_output(GPIO_TFT_VA_EN, 1);
606
a74fe119
SN		 607 msleep(100);
608
550ee52d
DM		 609 ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
610 if (ret < 0)
7b472ac7 611 pr_warn("Unable to request GPIO_DISPLAY_ENABLE\n");
550ee52d
DM		 612 else
613 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
aa117816 614
a74fe119
SN		 615 /* Hardware revision 2 has the backlight regulator controlled
616 * by an LT3593, earlier and later devices use PWM for that. */
617 if ((system_rev & 0xff) == 2) {
618 platform_device_register(&raumfeld_lt3593_device);
619 } else {
620 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
621 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
622 platform_device_register(&raumfeld_pwm_backlight_device);
623 }
624
625 pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
aa117816 626 platform_device_register(&pxa3xx_device_gcu);
550ee52d
DM		 627}
628
629/**
630 * SPI devices
631 */
632
633struct spi_gpio_platform_data raumfeld_spi_platform_data = {
634 .sck = GPIO_SPI_CLK,
635 .mosi = GPIO_SPI_MOSI,
636 .miso = GPIO_SPI_MISO,
637 .num_chipselect = 3,
638};
639
640static struct platform_device raumfeld_spi_device = {
641 .name = "spi_gpio",
642 .id = 0,
643 .dev = {
644 .platform_data = &raumfeld_spi_platform_data,
645 }
646};
647
648static struct lis3lv02d_platform_data lis3_pdata = {
649 .click_flags = LIS3_CLICK_SINGLE_X |
650 LIS3_CLICK_SINGLE_Y |
651 LIS3_CLICK_SINGLE_Z,
652 .irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
653 .wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
654 LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
655 LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
656 .wakeup_thresh = 10,
657 .click_thresh_x = 10,
658 .click_thresh_y = 10,
659 .click_thresh_z = 10,
660};
661
662#define SPI_AK4104 \
663{ \
9c0de494
DM		 664 .modalias = "ak4104-codec", \
665 .max_speed_hz = 10000, \
666 .bus_num = 0, \
667 .chip_select = 0, \
550ee52d
DM		 668 .controller_data = (void *) GPIO_SPDIF_CS, \
669}
670
671#define SPI_LIS3 \
672{ \
673 .modalias = "lis3lv02d_spi", \
674 .max_speed_hz = 1000000, \
675 .bus_num = 0, \
676 .chip_select = 1, \
677 .controller_data = (void *) GPIO_ACCEL_CS, \
678 .platform_data = &lis3_pdata, \
4929f5a8 679 .irq = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ), \
550ee52d
DM		 680}
681
682#define SPI_DAC7512 \
683{ \
684 .modalias = "dac7512", \
685 .max_speed_hz = 1000000, \
686 .bus_num = 0, \
687 .chip_select = 2, \
688 .controller_data = (void *) GPIO_MCLK_DAC_CS, \
689}
690
691static struct spi_board_info connector_spi_devices[] __initdata = {
692 SPI_AK4104,
693 SPI_DAC7512,
694};
695
696static struct spi_board_info speaker_spi_devices[] __initdata = {
697 SPI_DAC7512,
698};
699
700static struct spi_board_info controller_spi_devices[] __initdata = {
701 SPI_LIS3,
702};
703
704/**
705 * MMC for Marvell Libertas 8688 via SDIO
706 */
707
708static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
709{
710 gpio_set_value(GPIO_W2W_RESET, 1);
711 gpio_set_value(GPIO_W2W_PDN, 1);
712
713 return 0;
714}
715
716static void raumfeld_mci_exit(struct device *dev, void *data)
717{
718 gpio_set_value(GPIO_W2W_RESET, 0);
719 gpio_set_value(GPIO_W2W_PDN, 0);
720}
721
722static struct pxamci_platform_data raumfeld_mci_platform_data = {
723 .init = raumfeld_mci_init,
724 .exit = raumfeld_mci_exit,
f97cab28 725 .detect_delay_ms = 200,
550ee52d
DM		 726 .gpio_card_detect = -1,
727 .gpio_card_ro = -1,
728 .gpio_power = -1,
729};
730
731/*
732 * External power / charge logic
733 */
734
735static int power_supply_init(struct device *dev)
736{
737 return 0;
738}
739
740static void power_supply_exit(struct device *dev)
741{
742}
743
744static int raumfeld_is_ac_online(void)
745{
746 return !gpio_get_value(GPIO_CHARGE_DC_OK);
747}
748
749static int raumfeld_is_usb_online(void)
750{
751 return 0;
752}
753
754static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
755
9ceb4c99
DM		 756static void raumfeld_power_signal_charged(void)
757{
758 struct power_supply *psy =
759 power_supply_get_by_name(raumfeld_power_supplicants[0]);
760
d3a6097b 761 if (psy) {
9ceb4c99 762 power_supply_set_battery_charged(psy);
d3a6097b
KK		 763 power_supply_put(psy);
764 }
9ceb4c99
DM		 765}
766
767static int raumfeld_power_resume(void)
768{
769 /* check if GPIO_CHARGE_DONE went low while we were sleeping */
770 if (!gpio_get_value(GPIO_CHARGE_DONE))
771 raumfeld_power_signal_charged();
772
773 return 0;
774}
775
550ee52d
DM		 776static struct pda_power_pdata power_supply_info = {
777 .init = power_supply_init,
778 .is_ac_online = raumfeld_is_ac_online,
779 .is_usb_online = raumfeld_is_usb_online,
780 .exit = power_supply_exit,
781 .supplied_to = raumfeld_power_supplicants,
9ceb4c99
DM		 782 .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants),
783 .resume = raumfeld_power_resume,
550ee52d
DM		 784};
785
786static struct resource power_supply_resources[] = {
787 {
788 .name = "ac",
789 .flags = IORESOURCE_IRQ |
790 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
791 .start = GPIO_CHARGE_DC_OK,
792 .end = GPIO_CHARGE_DC_OK,
793 },
794};
795
796static irqreturn_t charge_done_irq(int irq, void *dev_id)
797{
9ceb4c99 798 raumfeld_power_signal_charged();
550ee52d
DM		 799 return IRQ_HANDLED;
800}
801
802static struct platform_device raumfeld_power_supply = {
803 .name = "pda-power",
804 .id = -1,
805 .dev = {
806 .platform_data = &power_supply_info,
807 },
808 .resource = power_supply_resources,
809 .num_resources = ARRAY_SIZE(power_supply_resources),
810};
811
812static void __init raumfeld_power_init(void)
813{
814 int ret;
815
816 /* Set PEN2 high to enable maximum charge current */
817 ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
818 if (ret < 0)
7b472ac7 819 pr_warn("Unable to request GPIO_CHRG_PEN2\n");
550ee52d
DM		 820 else
821 gpio_direction_output(GPIO_CHRG_PEN2, 1);
822
823 ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
824 if (ret < 0)
7b472ac7 825 pr_warn("Unable to request GPIO_CHARGE_DC_OK\n");
550ee52d
DM		 826
827 ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
828 if (ret < 0)
7b472ac7 829 pr_warn("Unable to request GPIO_CHARGE_USB_SUSP\n");
550ee52d
DM		 830 else
831 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
832
833 power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
834 power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
835
836 ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
837 &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
838 "charge_done", NULL);
839
840 if (ret < 0)
841 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
842 GPIO_CHARGE_DONE);
843 else
844 platform_device_register(&raumfeld_power_supply);
845}
846
847/* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
848
849static struct regulator_consumer_supply audio_va_consumer_supply =
850 REGULATOR_SUPPLY("va", "0-0048");
851
852struct regulator_init_data audio_va_initdata = {
853 .consumer_supplies = &audio_va_consumer_supply,
854 .num_consumer_supplies = 1,
855 .constraints = {
856 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
857 },
858};
859
860static struct fixed_voltage_config audio_va_config = {
861 .supply_name = "audio_va",
862 .microvolts = 5000000,
863 .gpio = GPIO_AUDIO_VA_ENABLE,
864 .enable_high = 1,
865 .enabled_at_boot = 0,
866 .init_data = &audio_va_initdata,
867};
868
869static struct platform_device audio_va_device = {
870 .name = "reg-fixed-voltage",
871 .id = 0,
872 .dev = {
873 .platform_data = &audio_va_config,
874 },
875};
876
877/* Dummy supplies for Codec's VD/VLC */
878
879static struct regulator_consumer_supply audio_dummy_supplies[] = {
880 REGULATOR_SUPPLY("vd", "0-0048"),
881 REGULATOR_SUPPLY("vlc", "0-0048"),
882};
883
884struct regulator_init_data audio_dummy_initdata = {
885 .consumer_supplies = audio_dummy_supplies,
886 .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
887 .constraints = {
888 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
889 },
890};
891
892static struct fixed_voltage_config audio_dummy_config = {
893 .supply_name = "audio_vd",
894 .microvolts = 3300000,
895 .gpio = -1,
896 .init_data = &audio_dummy_initdata,
897};
898
899static struct platform_device audio_supply_dummy_device = {
900 .name = "reg-fixed-voltage",
901 .id = 1,
902 .dev = {
903 .platform_data = &audio_dummy_config,
904 },
905};
906
907static struct platform_device *audio_regulator_devices[] = {
908 &audio_va_device,
909 &audio_supply_dummy_device,
910};
911
912/**
913 * Regulator support via MAX8660
914 */
915
916static struct regulator_consumer_supply vcc_mmc_supply =
917 REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
918
919static struct regulator_init_data vcc_mmc_init_data = {
920 .constraints = {
921 .min_uV = 3300000,
922 .max_uV = 3300000,
923 .valid_modes_mask = REGULATOR_MODE_NORMAL,
924 .valid_ops_mask = REGULATOR_CHANGE_STATUS |
925 REGULATOR_CHANGE_VOLTAGE |
926 REGULATOR_CHANGE_MODE,
927 },
928 .consumer_supplies = &vcc_mmc_supply,
929 .num_consumer_supplies = 1,
930};
931
932struct max8660_subdev_data max8660_v6_subdev_data = {
933 .id = MAX8660_V6,
934 .name = "vmmc",
935 .platform_data = &vcc_mmc_init_data,
936};
937
938static struct max8660_platform_data max8660_pdata = {
939 .subdevs = &max8660_v6_subdev_data,
940 .num_subdevs = 1,
941};
942
943/**
944 * I2C devices
945 */
946
947static struct i2c_board_info raumfeld_pwri2c_board_info = {
948 .type = "max8660",
949 .addr = 0x34,
950 .platform_data = &max8660_pdata,
951};
952
953static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
954 .type = "cs4270",
955 .addr = 0x48,
956};
957
958static struct eeti_ts_platform_data eeti_ts_pdata = {
959 .irq_active_high = 1,
4eef6cbf 960 .irq_gpio = GPIO_TOUCH_IRQ,
550ee52d
DM		 961};
962
963static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
964 .type = "eeti_ts",
965 .addr = 0x0a,
550ee52d
DM		 966 .platform_data = &eeti_ts_pdata,
967};
968
969static struct platform_device *raumfeld_common_devices[] = {
970 &raumfeld_gpio_keys_device,
971 &raumfeld_led_device,
972 &raumfeld_spi_device,
973};
974
975static void __init raumfeld_audio_init(void)
976{
977 int ret;
978
979 ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
980 if (ret < 0)
7b472ac7 981 pr_warn("unable to request GPIO_CODEC_RESET\n");
550ee52d
DM		 982 else
983 gpio_direction_output(GPIO_CODEC_RESET, 1);
984
985 ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
986 if (ret < 0)
7b472ac7 987 pr_warn("unable to request GPIO_SPDIF_RESET\n");
550ee52d
DM		 988 else
989 gpio_direction_output(GPIO_SPDIF_RESET, 1);
990
991 ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
992 if (ret < 0)
7b472ac7 993 pr_warn("unable to request GPIO_MCLK_RESET\n");
550ee52d
DM		 994 else
995 gpio_direction_output(GPIO_MCLK_RESET, 1);
996
997 platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
998}
999
1000static void __init raumfeld_common_init(void)
1001{
1002 int ret;
1003
1004 /* The on/off button polarity has changed after revision 1 */
1005 if ((system_rev & 0xff) > 1) {
1006 int i;
1007
1008 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
299ed078 1009 if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
550ee52d
DM		 1010 gpio_keys_button[i].active_low = 1;
1011 }
1012
1013 enable_irq_wake(IRQ_WAKEUP0);
1014
1015 pxa3xx_set_nand_info(&raumfeld_nand_info);
1016 pxa3xx_set_i2c_power_info(NULL);
1017 pxa_set_ohci_info(&raumfeld_ohci_info);
1018 pxa_set_mci_info(&raumfeld_mci_platform_data);
1019 pxa_set_i2c_info(NULL);
1020 pxa_set_ffuart_info(NULL);
1021
1022 ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1023 if (ret < 0)
7b472ac7 1024 pr_warn("Unable to request GPIO_W2W_RESET\n");
550ee52d
DM		 1025 else
1026 gpio_direction_output(GPIO_W2W_RESET, 0);
1027
1028 ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1029 if (ret < 0)
7b472ac7 1030 pr_warn("Unable to request GPIO_W2W_PDN\n");
550ee52d
DM		 1031 else
1032 gpio_direction_output(GPIO_W2W_PDN, 0);
1033
1034 /* this can be used to switch off the device */
299ed078 1035 ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
550ee52d 1036 if (ret < 0)
7b472ac7 1037 pr_warn("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
550ee52d
DM		 1038 else
1039 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1040
1041 platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1042 i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1043}
1044
1045static void __init raumfeld_controller_init(void)
1046{
1047 int ret;
1048
1049 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1050 platform_device_register(&rotary_encoder_device);
1051 spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1052 i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1053
1054 ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1055 if (ret < 0)
7b472ac7 1056 pr_warn("Unable to request GPIO_SHUTDOWN_BATT\n");
550ee52d
DM		 1057 else
1058 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1059
1060 raumfeld_common_init();
1061 raumfeld_power_init();
1062 raumfeld_lcd_init();
1063 raumfeld_w1_init();
1064}
1065
1066static void __init raumfeld_connector_init(void)
1067{
1068 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1069 spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1070 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1071
1072 platform_device_register(&smc91x_device);
1073
1074 raumfeld_audio_init();
1075 raumfeld_common_init();
1076}
1077
1078static void __init raumfeld_speaker_init(void)
1079{
1080 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1081 spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1082 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1083
1084 platform_device_register(&smc91x_device);
1085 platform_device_register(&rotary_encoder_device);
1086
1087 raumfeld_audio_init();
1088 raumfeld_common_init();
1089}
1090
1091/* physical memory regions */
1092#define RAUMFELD_SDRAM_BASE 0xa0000000 /* SDRAM region */
1093
1094#ifdef CONFIG_MACH_RAUMFELD_RC
1095MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
7375aba6 1096 .atag_offset = 0x100,
550ee52d 1097 .init_machine = raumfeld_controller_init,
851982c1 1098 .map_io = pxa3xx_map_io,
4e611091 1099 .nr_irqs = PXA_NR_IRQS,
550ee52d 1100 .init_irq = pxa3xx_init_irq,
8a97ae2f 1101 .handle_irq = pxa3xx_handle_irq,
6bb27d73 1102 .init_time = pxa_timer_init,
271a74fc 1103 .restart = pxa_restart,
550ee52d
DM		 1104MACHINE_END
1105#endif
1106
1107#ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1108MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
7375aba6 1109 .atag_offset = 0x100,
550ee52d 1110 .init_machine = raumfeld_connector_init,
851982c1 1111 .map_io = pxa3xx_map_io,
4e611091 1112 .nr_irqs = PXA_NR_IRQS,
550ee52d 1113 .init_irq = pxa3xx_init_irq,
8a97ae2f 1114 .handle_irq = pxa3xx_handle_irq,
6bb27d73 1115 .init_time = pxa_timer_init,
271a74fc 1116 .restart = pxa_restart,
550ee52d
DM		 1117MACHINE_END
1118#endif
1119
1120#ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1121MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
7375aba6 1122 .atag_offset = 0x100,
550ee52d 1123 .init_machine = raumfeld_speaker_init,
851982c1 1124 .map_io = pxa3xx_map_io,
4e611091 1125 .nr_irqs = PXA_NR_IRQS,
550ee52d 1126 .init_irq = pxa3xx_init_irq,
8a97ae2f 1127 .handle_irq = pxa3xx_handle_irq,
6bb27d73 1128 .init_time = pxa_timer_init,
271a74fc 1129 .restart = pxa_restart,
550ee52d
DM		 1130MACHINE_END
1131#endif
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