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ARM: pxa/raumfeld: display initialisation fixes
[deliverable/linux.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
46#include <asm/mach-types.h>
47#include <asm/mach/arch.h>
48
49#include <mach/hardware.h>
50#include <mach/pxa3xx-regs.h>
51#include <mach/mfp-pxa3xx.h>
52#include <mach/mfp-pxa300.h>
53#include <mach/ohci.h>
54#include <mach/pxafb.h>
55#include <mach/mmc.h>
550ee52d
DM		 56#include <plat/pxa3xx_nand.h>
57
58#include "generic.h"
59#include "devices.h"
60#include "clock.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 */
108static 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
181static 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,
31436bbe
DM		 231
232 /* LEDs */
233 GPIO35_GPIO | MFP_LPM_PULL_LOW,
234 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
550ee52d
DM		 235};
236
237static 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,
31436bbe
DM		 281
282 /* LEDs */
283 GPIO35_GPIO | MFP_LPM_PULL_LOW,
284 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
550ee52d
DM		 285};
286
287/*
288 * SMSC LAN9220 Ethernet
289 */
290
291static struct resource smc91x_resources[] = {
292 {
293 .start = PXA3xx_CS2_PHYS,
294 .end = PXA3xx_CS2_PHYS + 0xfffff,
295 .flags = IORESOURCE_MEM,
296 },
297 {
298 .start = gpio_to_irq(GPIO_ETH_IRQ),
299 .end = gpio_to_irq(GPIO_ETH_IRQ),
300 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
301 }
302};
303
304static 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
311static 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
325static 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
349static struct pxa3xx_nand_platform_data raumfeld_nand_info = {
350 .enable_arbiter = 1,
351 .keep_config = 1,
352 .parts = raumfeld_nand_partitions,
353 .nr_parts = ARRAY_SIZE(raumfeld_nand_partitions),
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,
508};
509
510struct platform_device raumfeld_w1_gpio_device = {
511 .name = "w1-gpio",
512 .dev = {
513 .platform_data = &w1_gpio_platform_data
514 }
515};
516
517static void __init raumfeld_w1_init(void)
518{
519 int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
520 "W1 external pullup enable");
521
522 if (ret < 0)
523 pr_warning("Unable to request GPIO_W1_PULLUP_ENABLE\n");
524 else
525 gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
526
527 platform_device_register(&raumfeld_w1_gpio_device);
528}
529
530/**
531 * Framebuffer device
532 */
533
534/* PWM controlled backlight */
535static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
536 .pwm_id = 0,
537 .max_brightness = 100,
538 .dft_brightness = 100,
539 /* 10000 ns = 10 ms ^= 100 kHz */
540 .pwm_period_ns = 10000,
541};
542
543static struct platform_device raumfeld_pwm_backlight_device = {
544 .name = "pwm-backlight",
545 .dev = {
546 .parent = &pxa27x_device_pwm0.dev,
547 .platform_data = &raumfeld_pwm_backlight_data,
548 }
549};
550
551/* LT3593 controlled backlight */
552static struct gpio_led raumfeld_lt3593_led = {
553 .name = "backlight",
554 .gpio = mfp_to_gpio(MFP_PIN_GPIO17),
555 .default_state = LEDS_GPIO_DEFSTATE_ON,
556};
557
558static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
559 .leds = &raumfeld_lt3593_led,
560 .num_leds = 1,
561};
562
563static struct platform_device raumfeld_lt3593_device = {
564 .name = "leds-lt3593",
565 .id = -1,
566 .dev = {
567 .platform_data = &raumfeld_lt3593_platform_data,
568 },
569};
570
571static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
572 .pixclock = 111000,
573 .xres = 480,
574 .yres = 272,
575 .bpp = 16,
a74fe119 576 .hsync_len = 41,
550ee52d
DM		 577 .left_margin = 2,
578 .right_margin = 1,
a74fe119 579 .vsync_len = 10,
550ee52d
DM		 580 .upper_margin = 3,
581 .lower_margin = 1,
582 .sync = 0,
583};
584
585static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
586 .modes = &sharp_lq043t3dx02_mode,
587 .num_modes = 1,
588 .video_mem_size = 0x400000,
589 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
aa117816
DM		 590#ifdef CONFIG_PXA3XX_GCU
591 .acceleration_enabled = 1,
592#endif
550ee52d
DM		 593};
594
595static void __init raumfeld_lcd_init(void)
596{
597 int ret;
598
550ee52d
DM		 599 ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
600 if (ret < 0)
601 pr_warning("Unable to request GPIO_TFT_VA_EN\n");
602 else
603 gpio_direction_output(GPIO_TFT_VA_EN, 1);
604
a74fe119
SN		 605 msleep(100);
606
550ee52d
DM		 607 ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
608 if (ret < 0)
609 pr_warning("Unable to request GPIO_DISPLAY_ENABLE\n");
610 else
611 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
aa117816 612
a74fe119
SN		 613 /* Hardware revision 2 has the backlight regulator controlled
614 * by an LT3593, earlier and later devices use PWM for that. */
615 if ((system_rev & 0xff) == 2) {
616 platform_device_register(&raumfeld_lt3593_device);
617 } else {
618 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
619 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
620 platform_device_register(&raumfeld_pwm_backlight_device);
621 }
622
623 pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
aa117816 624 platform_device_register(&pxa3xx_device_gcu);
550ee52d
DM		 625}
626
627/**
628 * SPI devices
629 */
630
631struct spi_gpio_platform_data raumfeld_spi_platform_data = {
632 .sck = GPIO_SPI_CLK,
633 .mosi = GPIO_SPI_MOSI,
634 .miso = GPIO_SPI_MISO,
635 .num_chipselect = 3,
636};
637
638static struct platform_device raumfeld_spi_device = {
639 .name = "spi_gpio",
640 .id = 0,
641 .dev = {
642 .platform_data = &raumfeld_spi_platform_data,
643 }
644};
645
646static struct lis3lv02d_platform_data lis3_pdata = {
647 .click_flags = LIS3_CLICK_SINGLE_X |
648 LIS3_CLICK_SINGLE_Y |
649 LIS3_CLICK_SINGLE_Z,
650 .irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
651 .wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
652 LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
653 LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
654 .wakeup_thresh = 10,
655 .click_thresh_x = 10,
656 .click_thresh_y = 10,
657 .click_thresh_z = 10,
658};
659
660#define SPI_AK4104 \
661{ \
662 .modalias = "ak4104", \
663 .max_speed_hz = 10000, \
664 .bus_num = 0, \
665 .chip_select = 0, \
666 .controller_data = (void *) GPIO_SPDIF_CS, \
667}
668
669#define SPI_LIS3 \
670{ \
671 .modalias = "lis3lv02d_spi", \
672 .max_speed_hz = 1000000, \
673 .bus_num = 0, \
674 .chip_select = 1, \
675 .controller_data = (void *) GPIO_ACCEL_CS, \
676 .platform_data = &lis3_pdata, \
677 .irq = gpio_to_irq(GPIO_ACCEL_IRQ), \
678}
679
680#define SPI_DAC7512 \
681{ \
682 .modalias = "dac7512", \
683 .max_speed_hz = 1000000, \
684 .bus_num = 0, \
685 .chip_select = 2, \
686 .controller_data = (void *) GPIO_MCLK_DAC_CS, \
687}
688
689static struct spi_board_info connector_spi_devices[] __initdata = {
690 SPI_AK4104,
691 SPI_DAC7512,
692};
693
694static struct spi_board_info speaker_spi_devices[] __initdata = {
695 SPI_DAC7512,
696};
697
698static struct spi_board_info controller_spi_devices[] __initdata = {
699 SPI_LIS3,
700};
701
702/**
703 * MMC for Marvell Libertas 8688 via SDIO
704 */
705
706static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
707{
708 gpio_set_value(GPIO_W2W_RESET, 1);
709 gpio_set_value(GPIO_W2W_PDN, 1);
710
711 return 0;
712}
713
714static void raumfeld_mci_exit(struct device *dev, void *data)
715{
716 gpio_set_value(GPIO_W2W_RESET, 0);
717 gpio_set_value(GPIO_W2W_PDN, 0);
718}
719
720static struct pxamci_platform_data raumfeld_mci_platform_data = {
721 .init = raumfeld_mci_init,
722 .exit = raumfeld_mci_exit,
f97cab28 723 .detect_delay_ms = 200,
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DM		 724 .gpio_card_detect = -1,
725 .gpio_card_ro = -1,
726 .gpio_power = -1,
727};
728
729/*
730 * External power / charge logic
731 */
732
733static int power_supply_init(struct device *dev)
734{
735 return 0;
736}
737
738static void power_supply_exit(struct device *dev)
739{
740}
741
742static int raumfeld_is_ac_online(void)
743{
744 return !gpio_get_value(GPIO_CHARGE_DC_OK);
745}
746
747static int raumfeld_is_usb_online(void)
748{
749 return 0;
750}
751
752static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
753
9ceb4c99
DM		 754static void raumfeld_power_signal_charged(void)
755{
756 struct power_supply *psy =
757 power_supply_get_by_name(raumfeld_power_supplicants[0]);
758
759 if (psy)
760 power_supply_set_battery_charged(psy);
761}
762
763static int raumfeld_power_resume(void)
764{
765 /* check if GPIO_CHARGE_DONE went low while we were sleeping */
766 if (!gpio_get_value(GPIO_CHARGE_DONE))
767 raumfeld_power_signal_charged();
768
769 return 0;
770}
771
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DM		 772static struct pda_power_pdata power_supply_info = {
773 .init = power_supply_init,
774 .is_ac_online = raumfeld_is_ac_online,
775 .is_usb_online = raumfeld_is_usb_online,
776 .exit = power_supply_exit,
777 .supplied_to = raumfeld_power_supplicants,
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DM		 778 .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants),
779 .resume = raumfeld_power_resume,
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DM		 780};
781
782static struct resource power_supply_resources[] = {
783 {
784 .name = "ac",
785 .flags = IORESOURCE_IRQ |
786 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
787 .start = GPIO_CHARGE_DC_OK,
788 .end = GPIO_CHARGE_DC_OK,
789 },
790};
791
792static irqreturn_t charge_done_irq(int irq, void *dev_id)
793{
9ceb4c99 794 raumfeld_power_signal_charged();
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DM		 795 return IRQ_HANDLED;
796}
797
798static struct platform_device raumfeld_power_supply = {
799 .name = "pda-power",
800 .id = -1,
801 .dev = {
802 .platform_data = &power_supply_info,
803 },
804 .resource = power_supply_resources,
805 .num_resources = ARRAY_SIZE(power_supply_resources),
806};
807
808static void __init raumfeld_power_init(void)
809{
810 int ret;
811
812 /* Set PEN2 high to enable maximum charge current */
813 ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
814 if (ret < 0)
815 pr_warning("Unable to request GPIO_CHRG_PEN2\n");
816 else
817 gpio_direction_output(GPIO_CHRG_PEN2, 1);
818
819 ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
820 if (ret < 0)
821 pr_warning("Unable to request GPIO_CHARGE_DC_OK\n");
822
823 ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
824 if (ret < 0)
825 pr_warning("Unable to request GPIO_CHARGE_USB_SUSP\n");
826 else
827 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
828
829 power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
830 power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
831
832 ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
833 &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
834 "charge_done", NULL);
835
836 if (ret < 0)
837 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
838 GPIO_CHARGE_DONE);
839 else
840 platform_device_register(&raumfeld_power_supply);
841}
842
843/* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
844
845static struct regulator_consumer_supply audio_va_consumer_supply =
846 REGULATOR_SUPPLY("va", "0-0048");
847
848struct regulator_init_data audio_va_initdata = {
849 .consumer_supplies = &audio_va_consumer_supply,
850 .num_consumer_supplies = 1,
851 .constraints = {
852 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
853 },
854};
855
856static struct fixed_voltage_config audio_va_config = {
857 .supply_name = "audio_va",
858 .microvolts = 5000000,
859 .gpio = GPIO_AUDIO_VA_ENABLE,
860 .enable_high = 1,
861 .enabled_at_boot = 0,
862 .init_data = &audio_va_initdata,
863};
864
865static struct platform_device audio_va_device = {
866 .name = "reg-fixed-voltage",
867 .id = 0,
868 .dev = {
869 .platform_data = &audio_va_config,
870 },
871};
872
873/* Dummy supplies for Codec's VD/VLC */
874
875static struct regulator_consumer_supply audio_dummy_supplies[] = {
876 REGULATOR_SUPPLY("vd", "0-0048"),
877 REGULATOR_SUPPLY("vlc", "0-0048"),
878};
879
880struct regulator_init_data audio_dummy_initdata = {
881 .consumer_supplies = audio_dummy_supplies,
882 .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
883 .constraints = {
884 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
885 },
886};
887
888static struct fixed_voltage_config audio_dummy_config = {
889 .supply_name = "audio_vd",
890 .microvolts = 3300000,
891 .gpio = -1,
892 .init_data = &audio_dummy_initdata,
893};
894
895static struct platform_device audio_supply_dummy_device = {
896 .name = "reg-fixed-voltage",
897 .id = 1,
898 .dev = {
899 .platform_data = &audio_dummy_config,
900 },
901};
902
903static struct platform_device *audio_regulator_devices[] = {
904 &audio_va_device,
905 &audio_supply_dummy_device,
906};
907
908/**
909 * Regulator support via MAX8660
910 */
911
912static struct regulator_consumer_supply vcc_mmc_supply =
913 REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
914
915static struct regulator_init_data vcc_mmc_init_data = {
916 .constraints = {
917 .min_uV = 3300000,
918 .max_uV = 3300000,
919 .valid_modes_mask = REGULATOR_MODE_NORMAL,
920 .valid_ops_mask = REGULATOR_CHANGE_STATUS |
921 REGULATOR_CHANGE_VOLTAGE |
922 REGULATOR_CHANGE_MODE,
923 },
924 .consumer_supplies = &vcc_mmc_supply,
925 .num_consumer_supplies = 1,
926};
927
928struct max8660_subdev_data max8660_v6_subdev_data = {
929 .id = MAX8660_V6,
930 .name = "vmmc",
931 .platform_data = &vcc_mmc_init_data,
932};
933
934static struct max8660_platform_data max8660_pdata = {
935 .subdevs = &max8660_v6_subdev_data,
936 .num_subdevs = 1,
937};
938
939/**
940 * I2C devices
941 */
942
943static struct i2c_board_info raumfeld_pwri2c_board_info = {
944 .type = "max8660",
945 .addr = 0x34,
946 .platform_data = &max8660_pdata,
947};
948
949static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
950 .type = "cs4270",
951 .addr = 0x48,
952};
953
954static struct eeti_ts_platform_data eeti_ts_pdata = {
955 .irq_active_high = 1,
956};
957
958static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
959 .type = "eeti_ts",
960 .addr = 0x0a,
961 .irq = gpio_to_irq(GPIO_TOUCH_IRQ),
962 .platform_data = &eeti_ts_pdata,
963};
964
965static struct platform_device *raumfeld_common_devices[] = {
966 &raumfeld_gpio_keys_device,
967 &raumfeld_led_device,
968 &raumfeld_spi_device,
969};
970
971static void __init raumfeld_audio_init(void)
972{
973 int ret;
974
975 ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
976 if (ret < 0)
977 pr_warning("unable to request GPIO_CODEC_RESET\n");
978 else
979 gpio_direction_output(GPIO_CODEC_RESET, 1);
980
981 ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
982 if (ret < 0)
983 pr_warning("unable to request GPIO_SPDIF_RESET\n");
984 else
985 gpio_direction_output(GPIO_SPDIF_RESET, 1);
986
987 ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
988 if (ret < 0)
989 pr_warning("unable to request GPIO_MCLK_RESET\n");
990 else
991 gpio_direction_output(GPIO_MCLK_RESET, 1);
992
993 platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
994}
995
996static void __init raumfeld_common_init(void)
997{
998 int ret;
999
1000 /* The on/off button polarity has changed after revision 1 */
1001 if ((system_rev & 0xff) > 1) {
1002 int i;
1003
1004 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
299ed078 1005 if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
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DM		 1006 gpio_keys_button[i].active_low = 1;
1007 }
1008
1009 enable_irq_wake(IRQ_WAKEUP0);
1010
1011 pxa3xx_set_nand_info(&raumfeld_nand_info);
1012 pxa3xx_set_i2c_power_info(NULL);
1013 pxa_set_ohci_info(&raumfeld_ohci_info);
1014 pxa_set_mci_info(&raumfeld_mci_platform_data);
1015 pxa_set_i2c_info(NULL);
1016 pxa_set_ffuart_info(NULL);
1017
1018 ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1019 if (ret < 0)
1020 pr_warning("Unable to request GPIO_W2W_RESET\n");
1021 else
1022 gpio_direction_output(GPIO_W2W_RESET, 0);
1023
1024 ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1025 if (ret < 0)
1026 pr_warning("Unable to request GPIO_W2W_PDN\n");
1027 else
1028 gpio_direction_output(GPIO_W2W_PDN, 0);
1029
1030 /* this can be used to switch off the device */
299ed078 1031 ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
550ee52d
DM		 1032 if (ret < 0)
1033 pr_warning("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1034 else
1035 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1036
1037 platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1038 i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1039}
1040
1041static void __init raumfeld_controller_init(void)
1042{
1043 int ret;
1044
1045 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1046 platform_device_register(&rotary_encoder_device);
1047 spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1048 i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1049
1050 ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1051 if (ret < 0)
1052 pr_warning("Unable to request GPIO_SHUTDOWN_BATT\n");
1053 else
1054 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1055
1056 raumfeld_common_init();
1057 raumfeld_power_init();
1058 raumfeld_lcd_init();
1059 raumfeld_w1_init();
1060}
1061
1062static void __init raumfeld_connector_init(void)
1063{
1064 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1065 spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1066 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1067
1068 platform_device_register(&smc91x_device);
1069
1070 raumfeld_audio_init();
1071 raumfeld_common_init();
1072}
1073
1074static void __init raumfeld_speaker_init(void)
1075{
1076 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1077 spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1078 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1079
1080 platform_device_register(&smc91x_device);
1081 platform_device_register(&rotary_encoder_device);
1082
1083 raumfeld_audio_init();
1084 raumfeld_common_init();
1085}
1086
1087/* physical memory regions */
1088#define RAUMFELD_SDRAM_BASE 0xa0000000 /* SDRAM region */
1089
1090#ifdef CONFIG_MACH_RAUMFELD_RC
1091MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
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DM		 1092 .boot_params = RAUMFELD_SDRAM_BASE + 0x100,
1093 .init_machine = raumfeld_controller_init,
851982c1 1094 .map_io = pxa3xx_map_io,
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DM		 1095 .init_irq = pxa3xx_init_irq,
1096 .timer = &pxa_timer,
1097MACHINE_END
1098#endif
1099
1100#ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1101MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
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DM		 1102 .boot_params = RAUMFELD_SDRAM_BASE + 0x100,
1103 .init_machine = raumfeld_connector_init,
851982c1 1104 .map_io = pxa3xx_map_io,
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DM		 1105 .init_irq = pxa3xx_init_irq,
1106 .timer = &pxa_timer,
1107MACHINE_END
1108#endif
1109
1110#ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1111MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
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DM		 1112 .boot_params = RAUMFELD_SDRAM_BASE + 0x100,
1113 .init_machine = raumfeld_speaker_init,
851982c1 1114 .map_io = pxa3xx_map_io,
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DM		 1115 .init_irq = pxa3xx_init_irq,
1116 .timer = &pxa_timer,
1117MACHINE_END
1118#endif
Linux kernel - Deliverables
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