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-rw-r--r--arch/arm/mach-pxa/raumfeld.c1105
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diff --git a/arch/arm/mach-pxa/raumfeld.c b/arch/arm/mach-pxa/raumfeld.c
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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/sysdev.h>
22#include <linux/platform_device.h>
23#include <linux/interrupt.h>
24#include <linux/gpio.h>
25#include <linux/smsc911x.h>
26#include <linux/input.h>
27#include <linux/rotary_encoder.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_backlight.h>
34#include <linux/i2c.h>
35#include <linux/spi/spi.h>
36#include <linux/spi/spi_gpio.h>
37#include <linux/lis3lv02d.h>
38#include <linux/pda_power.h>
39#include <linux/power_supply.h>
40#include <linux/regulator/max8660.h>
41#include <linux/regulator/machine.h>
42#include <linux/regulator/fixed.h>
43#include <linux/regulator/consumer.h>
44#include <linux/delay.h>
45
46#include <asm/mach-types.h>
47#include <asm/mach/arch.h>
48
49#include <mach/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>
56#include <plat/i2c.h>
57#include <plat/pxa3xx_nand.h>
58
59#include "generic.h"
60#include "devices.h"
61#include "clock.h"
62
63/* common GPIO definitions */
64
65/* inputs */
66#define GPIO_ON_OFF (14)
67#define GPIO_VOLENC_A (19)
68#define GPIO_VOLENC_B (20)
69#define GPIO_CHARGE_DONE (23)
70#define GPIO_CHARGE_IND (27)
71#define GPIO_TOUCH_IRQ (32)
72#define GPIO_ETH_IRQ (40)
73#define GPIO_SPI_MISO (98)
74#define GPIO_ACCEL_IRQ (104)
75#define GPIO_RESCUE_BOOT (115)
76#define GPIO_DOCK_DETECT (116)
77#define GPIO_KEY1 (117)
78#define GPIO_KEY2 (118)
79#define GPIO_KEY3 (119)
80#define GPIO_CHARGE_USB_OK (112)
81#define GPIO_CHARGE_DC_OK (101)
82#define GPIO_CHARGE_USB_SUSP (102)
83
84/* outputs */
85#define GPIO_SHUTDOWN_SUPPLY (16)
86#define GPIO_SHUTDOWN_BATT (18)
87#define GPIO_CHRG_PEN2 (31)
88#define GPIO_TFT_VA_EN (33)
89#define GPIO_SPDIF_CS (34)
90#define GPIO_LED2 (35)
91#define GPIO_LED1 (36)
92#define GPIO_SPDIF_RESET (38)
93#define GPIO_SPI_CLK (95)
94#define GPIO_MCLK_DAC_CS (96)
95#define GPIO_SPI_MOSI (97)
96#define GPIO_W1_PULLUP_ENABLE (105)
97#define GPIO_DISPLAY_ENABLE (106)
98#define GPIO_MCLK_RESET (111)
99#define GPIO_W2W_RESET (113)
100#define GPIO_W2W_PDN (114)
101#define GPIO_CODEC_RESET (120)
102#define GPIO_AUDIO_VA_ENABLE (124)
103#define GPIO_ACCEL_CS (125)
104#define GPIO_ONE_WIRE (126)
105
106/*
107 * GPIO configurations
108 */
109static mfp_cfg_t raumfeld_controller_pin_config[] __initdata = {
110 /* UART1 */
111 GPIO77_UART1_RXD,
112 GPIO78_UART1_TXD,
113 GPIO79_UART1_CTS,
114 GPIO81_UART1_DSR,
115 GPIO83_UART1_DTR,
116 GPIO84_UART1_RTS,
117
118 /* UART3 */
119 GPIO110_UART3_RXD,
120
121 /* USB Host */
122 GPIO0_2_USBH_PEN,
123 GPIO1_2_USBH_PWR,
124
125 /* I2C */
126 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
127 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
128
129 /* SPI */
130 GPIO34_GPIO, /* SPDIF_CS */
131 GPIO96_GPIO, /* MCLK_CS */
132 GPIO125_GPIO, /* ACCEL_CS */
133
134 /* MMC */
135 GPIO3_MMC1_DAT0,
136 GPIO4_MMC1_DAT1,
137 GPIO5_MMC1_DAT2,
138 GPIO6_MMC1_DAT3,
139 GPIO7_MMC1_CLK,
140 GPIO8_MMC1_CMD,
141
142 /* One-wire */
143 GPIO126_GPIO | MFP_LPM_FLOAT,
144 GPIO105_GPIO | MFP_PULL_LOW | MFP_LPM_PULL_LOW,
145
146 /* CHRG_USB_OK */
147 GPIO101_GPIO | MFP_PULL_HIGH,
148 /* CHRG_USB_OK */
149 GPIO112_GPIO | MFP_PULL_HIGH,
150 /* CHRG_USB_SUSP */
151 GPIO102_GPIO,
152 /* DISPLAY_ENABLE */
153 GPIO106_GPIO,
154 /* DOCK_DETECT */
155 GPIO116_GPIO | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
156
157 /* LCD */
158 GPIO54_LCD_LDD_0,
159 GPIO55_LCD_LDD_1,
160 GPIO56_LCD_LDD_2,
161 GPIO57_LCD_LDD_3,
162 GPIO58_LCD_LDD_4,
163 GPIO59_LCD_LDD_5,
164 GPIO60_LCD_LDD_6,
165 GPIO61_LCD_LDD_7,
166 GPIO62_LCD_LDD_8,
167 GPIO63_LCD_LDD_9,
168 GPIO64_LCD_LDD_10,
169 GPIO65_LCD_LDD_11,
170 GPIO66_LCD_LDD_12,
171 GPIO67_LCD_LDD_13,
172 GPIO68_LCD_LDD_14,
173 GPIO69_LCD_LDD_15,
174 GPIO70_LCD_LDD_16,
175 GPIO71_LCD_LDD_17,
176 GPIO72_LCD_FCLK,
177 GPIO73_LCD_LCLK,
178 GPIO74_LCD_PCLK,
179 GPIO75_LCD_BIAS,
180};
181
182static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = {
183 /* UART1 */
184 GPIO77_UART1_RXD,
185 GPIO78_UART1_TXD,
186 GPIO79_UART1_CTS,
187 GPIO81_UART1_DSR,
188 GPIO83_UART1_DTR,
189 GPIO84_UART1_RTS,
190
191 /* UART3 */
192 GPIO110_UART3_RXD,
193
194 /* USB Host */
195 GPIO0_2_USBH_PEN,
196 GPIO1_2_USBH_PWR,
197
198 /* I2C */
199 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
200 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
201
202 /* SPI */
203 GPIO34_GPIO, /* SPDIF_CS */
204 GPIO96_GPIO, /* MCLK_CS */
205 GPIO125_GPIO, /* ACCEL_CS */
206
207 /* MMC */
208 GPIO3_MMC1_DAT0,
209 GPIO4_MMC1_DAT1,
210 GPIO5_MMC1_DAT2,
211 GPIO6_MMC1_DAT3,
212 GPIO7_MMC1_CLK,
213 GPIO8_MMC1_CMD,
214
215 /* Ethernet */
216 GPIO1_nCS2, /* CS */
217 GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */
218
219 /* SSP for I2S */
220 GPIO85_SSP1_SCLK,
221 GPIO89_SSP1_EXTCLK,
222 GPIO86_SSP1_FRM,
223 GPIO87_SSP1_TXD,
224 GPIO88_SSP1_RXD,
225 GPIO90_SSP1_SYSCLK,
226
227 /* SSP2 for S/PDIF */
228 GPIO25_SSP2_SCLK,
229 GPIO26_SSP2_FRM,
230 GPIO27_SSP2_TXD,
231 GPIO29_SSP2_EXTCLK,
232
233 /* LEDs */
234 GPIO35_GPIO | MFP_LPM_PULL_LOW,
235 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
236};
237
238static mfp_cfg_t raumfeld_speaker_pin_config[] __initdata = {
239 /* UART1 */
240 GPIO77_UART1_RXD,
241 GPIO78_UART1_TXD,
242 GPIO79_UART1_CTS,
243 GPIO81_UART1_DSR,
244 GPIO83_UART1_DTR,
245 GPIO84_UART1_RTS,
246
247 /* UART3 */
248 GPIO110_UART3_RXD,
249
250 /* USB Host */
251 GPIO0_2_USBH_PEN,
252 GPIO1_2_USBH_PWR,
253
254 /* I2C */
255 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
256 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
257
258 /* SPI */
259 GPIO34_GPIO, /* SPDIF_CS */
260 GPIO96_GPIO, /* MCLK_CS */
261 GPIO125_GPIO, /* ACCEL_CS */
262
263 /* MMC */
264 GPIO3_MMC1_DAT0,
265 GPIO4_MMC1_DAT1,
266 GPIO5_MMC1_DAT2,
267 GPIO6_MMC1_DAT3,
268 GPIO7_MMC1_CLK,
269 GPIO8_MMC1_CMD,
270
271 /* Ethernet */
272 GPIO1_nCS2, /* CS */
273 GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */
274
275 /* SSP for I2S */
276 GPIO85_SSP1_SCLK,
277 GPIO89_SSP1_EXTCLK,
278 GPIO86_SSP1_FRM,
279 GPIO87_SSP1_TXD,
280 GPIO88_SSP1_RXD,
281 GPIO90_SSP1_SYSCLK,
282
283 /* LEDs */
284 GPIO35_GPIO | MFP_LPM_PULL_LOW,
285 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
286};
287
288/*
289 * SMSC LAN9220 Ethernet
290 */
291
292static struct resource smc91x_resources[] = {
293 {
294 .start = PXA3xx_CS2_PHYS,
295 .end = PXA3xx_CS2_PHYS + 0xfffff,
296 .flags = IORESOURCE_MEM,
297 },
298 {
299 .start = gpio_to_irq(GPIO_ETH_IRQ),
300 .end = gpio_to_irq(GPIO_ETH_IRQ),
301 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
302 }
303};
304
305static struct smsc911x_platform_config raumfeld_smsc911x_config = {
306 .phy_interface = PHY_INTERFACE_MODE_MII,
307 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
308 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
309 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
310};
311
312static struct platform_device smc91x_device = {
313 .name = "smsc911x",
314 .id = -1,
315 .num_resources = ARRAY_SIZE(smc91x_resources),
316 .resource = smc91x_resources,
317 .dev = {
318 .platform_data = &raumfeld_smsc911x_config,
319 }
320};
321
322/**
323 * NAND
324 */
325
326static struct mtd_partition raumfeld_nand_partitions[] = {
327 {
328 .name = "Bootloader",
329 .offset = 0,
330 .size = 0xa0000,
331 .mask_flags = MTD_WRITEABLE, /* force read-only */
332 },
333 {
334 .name = "BootloaderEnvironment",
335 .offset = 0xa0000,
336 .size = 0x20000,
337 },
338 {
339 .name = "BootloaderSplashScreen",
340 .offset = 0xc0000,
341 .size = 0x60000,
342 },
343 {
344 .name = "UBI",
345 .offset = 0x120000,
346 .size = MTDPART_SIZ_FULL,
347 },
348};
349
350static struct pxa3xx_nand_platform_data raumfeld_nand_info = {
351 .enable_arbiter = 1,
352 .keep_config = 1,
353 .parts = raumfeld_nand_partitions,
354 .nr_parts = ARRAY_SIZE(raumfeld_nand_partitions),
355};
356
357/**
358 * USB (OHCI) support
359 */
360
361static 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
370static struct rotary_encoder_platform_data raumfeld_rotary_encoder_info = {
371 .steps = 24,
372 .axis = REL_X,
373 .relative_axis = 1,
374 .gpio_a = GPIO_VOLENC_A,
375 .gpio_b = GPIO_VOLENC_B,
376 .inverted_a = 1,
377 .inverted_b = 0,
378};
379
380static struct platform_device rotary_encoder_device = {
381 .name = "rotary-encoder",
382 .id = 0,
383 .dev = {
384 .platform_data = &raumfeld_rotary_encoder_info,
385 }
386};
387
388/**
389 * GPIO buttons
390 */
391
392static struct gpio_keys_button gpio_keys_button[] = {
393 {
394 .code = KEY_F1,
395 .type = EV_KEY,
396 .gpio = GPIO_KEY1,
397 .active_low = 1,
398 .wakeup = 0,
399 .debounce_interval = 5, /* ms */
400 .desc = "Button 1",
401 },
402 {
403 .code = KEY_F2,
404 .type = EV_KEY,
405 .gpio = GPIO_KEY2,
406 .active_low = 1,
407 .wakeup = 0,
408 .debounce_interval = 5, /* ms */
409 .desc = "Button 2",
410 },
411 {
412 .code = KEY_F3,
413 .type = EV_KEY,
414 .gpio = GPIO_KEY3,
415 .active_low = 1,
416 .wakeup = 0,
417 .debounce_interval = 5, /* ms */
418 .desc = "Button 3",
419 },
420 {
421 .code = KEY_F4,
422 .type = EV_KEY,
423 .gpio = GPIO_RESCUE_BOOT,
424 .active_low = 0,
425 .wakeup = 0,
426 .debounce_interval = 5, /* ms */
427 .desc = "rescue boot button",
428 },
429 {
430 .code = KEY_F5,
431 .type = EV_KEY,
432 .gpio = GPIO_DOCK_DETECT,
433 .active_low = 1,
434 .wakeup = 0,
435 .debounce_interval = 5, /* ms */
436 .desc = "dock detect",
437 },
438 {
439 .code = KEY_F6,
440 .type = EV_KEY,
441 .gpio = GPIO_ON_OFF,
442 .active_low = 0,
443 .wakeup = 0,
444 .debounce_interval = 5, /* ms */
445 .desc = "on_off button",
446 },
447};
448
449static struct gpio_keys_platform_data gpio_keys_platform_data = {
450 .buttons = gpio_keys_button,
451 .nbuttons = ARRAY_SIZE(gpio_keys_button),
452 .rep = 0,
453};
454
455static struct platform_device raumfeld_gpio_keys_device = {
456 .name = "gpio-keys",
457 .id = -1,
458 .dev = {
459 .platform_data = &gpio_keys_platform_data,
460 }
461};
462
463/**
464 * GPIO LEDs
465 */
466
467static struct gpio_led raumfeld_leds[] = {
468 {
469 .name = "raumfeld:1",
470 .gpio = GPIO_LED1,
471 .active_low = 1,
472 .default_state = LEDS_GPIO_DEFSTATE_ON,
473 },
474 {
475 .name = "raumfeld:2",
476 .gpio = GPIO_LED2,
477 .active_low = 0,
478 .default_state = LEDS_GPIO_DEFSTATE_OFF,
479 }
480};
481
482static struct gpio_led_platform_data raumfeld_led_platform_data = {
483 .leds = raumfeld_leds,
484 .num_leds = ARRAY_SIZE(raumfeld_leds),
485};
486
487static struct platform_device raumfeld_led_device = {
488 .name = "leds-gpio",
489 .id = -1,
490 .dev = {
491 .platform_data = &raumfeld_led_platform_data,
492 },
493};
494
495/**
496 * One-wire (W1 bus) support
497 */
498
499static void w1_enable_external_pullup(int enable)
500{
501 gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
502 msleep(100);
503}
504
505static struct w1_gpio_platform_data w1_gpio_platform_data = {
506 .pin = GPIO_ONE_WIRE,
507 .is_open_drain = 0,
508 .enable_external_pullup = w1_enable_external_pullup,
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)
524 pr_warning("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/* 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,
542};
543
544static struct platform_device raumfeld_pwm_backlight_device = {
545 .name = "pwm-backlight",
546 .dev = {
547 .parent = &pxa27x_device_pwm0.dev,
548 .platform_data = &raumfeld_pwm_backlight_data,
549 }
550};
551
552/* LT3593 controlled backlight */
553static struct gpio_led raumfeld_lt3593_led = {
554 .name = "backlight",
555 .gpio = mfp_to_gpio(MFP_PIN_GPIO17),
556 .default_state = LEDS_GPIO_DEFSTATE_ON,
557};
558
559static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
560 .leds = &raumfeld_lt3593_led,
561 .num_leds = 1,
562};
563
564static struct platform_device raumfeld_lt3593_device = {
565 .name = "leds-lt3593",
566 .id = -1,
567 .dev = {
568 .platform_data = &raumfeld_lt3593_platform_data,
569 },
570};
571
572static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
573 .pixclock = 111000,
574 .xres = 480,
575 .yres = 272,
576 .bpp = 16,
577 .hsync_len = 4,
578 .left_margin = 2,
579 .right_margin = 1,
580 .vsync_len = 1,
581 .upper_margin = 3,
582 .lower_margin = 1,
583 .sync = 0,
584};
585
586static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
587 .modes = &sharp_lq043t3dx02_mode,
588 .num_modes = 1,
589 .video_mem_size = 0x400000,
590 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
591};
592
593static void __init raumfeld_lcd_init(void)
594{
595 int ret;
596
597 set_pxa_fb_info(&raumfeld_sharp_lcd_info);
598
599 /* Earlier devices had the backlight regulator controlled
600 * via PWM, later versions use another controller for that */
601 if ((system_rev & 0xff) < 2) {
602 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
603 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
604 platform_device_register(&raumfeld_pwm_backlight_device);
605 } else
606 platform_device_register(&raumfeld_lt3593_device);
607
608 ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
609 if (ret < 0)
610 pr_warning("Unable to request GPIO_TFT_VA_EN\n");
611 else
612 gpio_direction_output(GPIO_TFT_VA_EN, 1);
613
614 ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
615 if (ret < 0)
616 pr_warning("Unable to request GPIO_DISPLAY_ENABLE\n");
617 else
618 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
619}
620
621/**
622 * SPI devices
623 */
624
625struct spi_gpio_platform_data raumfeld_spi_platform_data = {
626 .sck = GPIO_SPI_CLK,
627 .mosi = GPIO_SPI_MOSI,
628 .miso = GPIO_SPI_MISO,
629 .num_chipselect = 3,
630};
631
632static struct platform_device raumfeld_spi_device = {
633 .name = "spi_gpio",
634 .id = 0,
635 .dev = {
636 .platform_data = &raumfeld_spi_platform_data,
637 }
638};
639
640static struct lis3lv02d_platform_data lis3_pdata = {
641 .click_flags = LIS3_CLICK_SINGLE_X |
642 LIS3_CLICK_SINGLE_Y |
643 LIS3_CLICK_SINGLE_Z,
644 .irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
645 .wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
646 LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
647 LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
648 .wakeup_thresh = 10,
649 .click_thresh_x = 10,
650 .click_thresh_y = 10,
651 .click_thresh_z = 10,
652};
653
654#define SPI_AK4104 \
655{ \
656 .modalias = "ak4104", \
657 .max_speed_hz = 10000, \
658 .bus_num = 0, \
659 .chip_select = 0, \
660 .controller_data = (void *) GPIO_SPDIF_CS, \
661}
662
663#define SPI_LIS3 \
664{ \
665 .modalias = "lis3lv02d_spi", \
666 .max_speed_hz = 1000000, \
667 .bus_num = 0, \
668 .chip_select = 1, \
669 .controller_data = (void *) GPIO_ACCEL_CS, \
670 .platform_data = &lis3_pdata, \
671 .irq = gpio_to_irq(GPIO_ACCEL_IRQ), \
672}
673
674#define SPI_DAC7512 \
675{ \
676 .modalias = "dac7512", \
677 .max_speed_hz = 1000000, \
678 .bus_num = 0, \
679 .chip_select = 2, \
680 .controller_data = (void *) GPIO_MCLK_DAC_CS, \
681}
682
683static struct spi_board_info connector_spi_devices[] __initdata = {
684 SPI_AK4104,
685 SPI_DAC7512,
686};
687
688static struct spi_board_info speaker_spi_devices[] __initdata = {
689 SPI_DAC7512,
690};
691
692static struct spi_board_info controller_spi_devices[] __initdata = {
693 SPI_LIS3,
694};
695
696/**
697 * MMC for Marvell Libertas 8688 via SDIO
698 */
699
700static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
701{
702 gpio_set_value(GPIO_W2W_RESET, 1);
703 gpio_set_value(GPIO_W2W_PDN, 1);
704
705 return 0;
706}
707
708static void raumfeld_mci_exit(struct device *dev, void *data)
709{
710 gpio_set_value(GPIO_W2W_RESET, 0);
711 gpio_set_value(GPIO_W2W_PDN, 0);
712}
713
714static struct pxamci_platform_data raumfeld_mci_platform_data = {
715 .init = raumfeld_mci_init,
716 .exit = raumfeld_mci_exit,
717 .detect_delay = 20,
718 .gpio_card_detect = -1,
719 .gpio_card_ro = -1,
720 .gpio_power = -1,
721};
722
723/*
724 * External power / charge logic
725 */
726
727static int power_supply_init(struct device *dev)
728{
729 return 0;
730}
731
732static void power_supply_exit(struct device *dev)
733{
734}
735
736static int raumfeld_is_ac_online(void)
737{
738 return !gpio_get_value(GPIO_CHARGE_DC_OK);
739}
740
741static int raumfeld_is_usb_online(void)
742{
743 return 0;
744}
745
746static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
747
748static struct pda_power_pdata power_supply_info = {
749 .init = power_supply_init,
750 .is_ac_online = raumfeld_is_ac_online,
751 .is_usb_online = raumfeld_is_usb_online,
752 .exit = power_supply_exit,
753 .supplied_to = raumfeld_power_supplicants,
754 .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants)
755};
756
757static struct resource power_supply_resources[] = {
758 {
759 .name = "ac",
760 .flags = IORESOURCE_IRQ |
761 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
762 .start = GPIO_CHARGE_DC_OK,
763 .end = GPIO_CHARGE_DC_OK,
764 },
765};
766
767static irqreturn_t charge_done_irq(int irq, void *dev_id)
768{
769 struct power_supply *psy;
770
771 psy = power_supply_get_by_name("ds2760-battery.0");
772
773 if (psy)
774 power_supply_set_battery_charged(psy);
775
776 return IRQ_HANDLED;
777}
778
779static struct platform_device raumfeld_power_supply = {
780 .name = "pda-power",
781 .id = -1,
782 .dev = {
783 .platform_data = &power_supply_info,
784 },
785 .resource = power_supply_resources,
786 .num_resources = ARRAY_SIZE(power_supply_resources),
787};
788
789static void __init raumfeld_power_init(void)
790{
791 int ret;
792
793 /* Set PEN2 high to enable maximum charge current */
794 ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
795 if (ret < 0)
796 pr_warning("Unable to request GPIO_CHRG_PEN2\n");
797 else
798 gpio_direction_output(GPIO_CHRG_PEN2, 1);
799
800 ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
801 if (ret < 0)
802 pr_warning("Unable to request GPIO_CHARGE_DC_OK\n");
803
804 ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
805 if (ret < 0)
806 pr_warning("Unable to request GPIO_CHARGE_USB_SUSP\n");
807 else
808 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
809
810 power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
811 power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
812
813 ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
814 &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
815 "charge_done", NULL);
816
817 if (ret < 0)
818 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
819 GPIO_CHARGE_DONE);
820 else
821 platform_device_register(&raumfeld_power_supply);
822}
823
824/* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
825
826static struct regulator_consumer_supply audio_va_consumer_supply =
827 REGULATOR_SUPPLY("va", "0-0048");
828
829struct regulator_init_data audio_va_initdata = {
830 .consumer_supplies = &audio_va_consumer_supply,
831 .num_consumer_supplies = 1,
832 .constraints = {
833 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
834 },
835};
836
837static struct fixed_voltage_config audio_va_config = {
838 .supply_name = "audio_va",
839 .microvolts = 5000000,
840 .gpio = GPIO_AUDIO_VA_ENABLE,
841 .enable_high = 1,
842 .enabled_at_boot = 0,
843 .init_data = &audio_va_initdata,
844};
845
846static struct platform_device audio_va_device = {
847 .name = "reg-fixed-voltage",
848 .id = 0,
849 .dev = {
850 .platform_data = &audio_va_config,
851 },
852};
853
854/* Dummy supplies for Codec's VD/VLC */
855
856static struct regulator_consumer_supply audio_dummy_supplies[] = {
857 REGULATOR_SUPPLY("vd", "0-0048"),
858 REGULATOR_SUPPLY("vlc", "0-0048"),
859};
860
861struct regulator_init_data audio_dummy_initdata = {
862 .consumer_supplies = audio_dummy_supplies,
863 .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
864 .constraints = {
865 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
866 },
867};
868
869static struct fixed_voltage_config audio_dummy_config = {
870 .supply_name = "audio_vd",
871 .microvolts = 3300000,
872 .gpio = -1,
873 .init_data = &audio_dummy_initdata,
874};
875
876static struct platform_device audio_supply_dummy_device = {
877 .name = "reg-fixed-voltage",
878 .id = 1,
879 .dev = {
880 .platform_data = &audio_dummy_config,
881 },
882};
883
884static struct platform_device *audio_regulator_devices[] = {
885 &audio_va_device,
886 &audio_supply_dummy_device,
887};
888
889/**
890 * Regulator support via MAX8660
891 */
892
893static struct regulator_consumer_supply vcc_mmc_supply =
894 REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
895
896static struct regulator_init_data vcc_mmc_init_data = {
897 .constraints = {
898 .min_uV = 3300000,
899 .max_uV = 3300000,
900 .valid_modes_mask = REGULATOR_MODE_NORMAL,
901 .valid_ops_mask = REGULATOR_CHANGE_STATUS |
902 REGULATOR_CHANGE_VOLTAGE |
903 REGULATOR_CHANGE_MODE,
904 },
905 .consumer_supplies = &vcc_mmc_supply,
906 .num_consumer_supplies = 1,
907};
908
909struct max8660_subdev_data max8660_v6_subdev_data = {
910 .id = MAX8660_V6,
911 .name = "vmmc",
912 .platform_data = &vcc_mmc_init_data,
913};
914
915static struct max8660_platform_data max8660_pdata = {
916 .subdevs = &max8660_v6_subdev_data,
917 .num_subdevs = 1,
918};
919
920/**
921 * I2C devices
922 */
923
924static struct i2c_board_info raumfeld_pwri2c_board_info = {
925 .type = "max8660",
926 .addr = 0x34,
927 .platform_data = &max8660_pdata,
928};
929
930static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
931 .type = "cs4270",
932 .addr = 0x48,
933};
934
935static struct eeti_ts_platform_data eeti_ts_pdata = {
936 .irq_active_high = 1,
937};
938
939static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
940 .type = "eeti_ts",
941 .addr = 0x0a,
942 .irq = gpio_to_irq(GPIO_TOUCH_IRQ),
943 .platform_data = &eeti_ts_pdata,
944};
945
946static struct platform_device *raumfeld_common_devices[] = {
947 &raumfeld_gpio_keys_device,
948 &raumfeld_led_device,
949 &raumfeld_spi_device,
950};
951
952static void __init raumfeld_audio_init(void)
953{
954 int ret;
955
956 ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
957 if (ret < 0)
958 pr_warning("unable to request GPIO_CODEC_RESET\n");
959 else
960 gpio_direction_output(GPIO_CODEC_RESET, 1);
961
962 ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
963 if (ret < 0)
964 pr_warning("unable to request GPIO_SPDIF_RESET\n");
965 else
966 gpio_direction_output(GPIO_SPDIF_RESET, 1);
967
968 ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
969 if (ret < 0)
970 pr_warning("unable to request GPIO_MCLK_RESET\n");
971 else
972 gpio_direction_output(GPIO_MCLK_RESET, 1);
973
974 platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
975}
976
977static void __init raumfeld_common_init(void)
978{
979 int ret;
980
981 /* The on/off button polarity has changed after revision 1 */
982 if ((system_rev & 0xff) > 1) {
983 int i;
984
985 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
986 if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
987 gpio_keys_button[i].active_low = 1;
988 }
989
990 enable_irq_wake(IRQ_WAKEUP0);
991
992 pxa3xx_set_nand_info(&raumfeld_nand_info);
993 pxa3xx_set_i2c_power_info(NULL);
994 pxa_set_ohci_info(&raumfeld_ohci_info);
995 pxa_set_mci_info(&raumfeld_mci_platform_data);
996 pxa_set_i2c_info(NULL);
997 pxa_set_ffuart_info(NULL);
998
999 ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1000 if (ret < 0)
1001 pr_warning("Unable to request GPIO_W2W_RESET\n");
1002 else
1003 gpio_direction_output(GPIO_W2W_RESET, 0);
1004
1005 ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1006 if (ret < 0)
1007 pr_warning("Unable to request GPIO_W2W_PDN\n");
1008 else
1009 gpio_direction_output(GPIO_W2W_PDN, 0);
1010
1011 /* this can be used to switch off the device */
1012 ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1013 if (ret < 0)
1014 pr_warning("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1015 else
1016 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1017
1018 platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1019 i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1020}
1021
1022static void __init raumfeld_controller_init(void)
1023{
1024 int ret;
1025
1026 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1027 platform_device_register(&rotary_encoder_device);
1028 spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1029 i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1030
1031 ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1032 if (ret < 0)
1033 pr_warning("Unable to request GPIO_SHUTDOWN_BATT\n");
1034 else
1035 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1036
1037 raumfeld_common_init();
1038 raumfeld_power_init();
1039 raumfeld_lcd_init();
1040 raumfeld_w1_init();
1041}
1042
1043static void __init raumfeld_connector_init(void)
1044{
1045 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1046 spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1047 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1048
1049 platform_device_register(&smc91x_device);
1050
1051 raumfeld_audio_init();
1052 raumfeld_common_init();
1053}
1054
1055static void __init raumfeld_speaker_init(void)
1056{
1057 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1058 spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1059 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1060
1061 platform_device_register(&smc91x_device);
1062 platform_device_register(&rotary_encoder_device);
1063
1064 raumfeld_audio_init();
1065 raumfeld_common_init();
1066}
1067
1068/* physical memory regions */
1069#define RAUMFELD_SDRAM_BASE 0xa0000000 /* SDRAM region */
1070
1071#ifdef CONFIG_MACH_RAUMFELD_RC
1072MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1073 .phys_io = 0x40000000,
1074 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
1075 .boot_params = RAUMFELD_SDRAM_BASE + 0x100,
1076 .init_machine = raumfeld_controller_init,
1077 .map_io = pxa_map_io,
1078 .init_irq = pxa3xx_init_irq,
1079 .timer = &pxa_timer,
1080MACHINE_END
1081#endif
1082
1083#ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1084MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1085 .phys_io = 0x40000000,
1086 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
1087 .boot_params = RAUMFELD_SDRAM_BASE + 0x100,
1088 .init_machine = raumfeld_connector_init,
1089 .map_io = pxa_map_io,
1090 .init_irq = pxa3xx_init_irq,
1091 .timer = &pxa_timer,
1092MACHINE_END
1093#endif
1094
1095#ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1096MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1097 .phys_io = 0x40000000,
1098 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
1099 .boot_params = RAUMFELD_SDRAM_BASE + 0x100,
1100 .init_machine = raumfeld_speaker_init,
1101 .map_io = pxa_map_io,
1102 .init_irq = pxa3xx_init_irq,
1103 .timer = &pxa_timer,
1104MACHINE_END
1105#endif
generated by cgit v1.2.2 (git 2.25.0) at 2025-04-11 11:48:36 -0400