summaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap2/board-omap3stalker.c
blob: bc5ac83bd4cf19824a432b8135357999577a6431 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
/*
 * linux/arch/arm/mach-omap2/board-omap3evm.c
 *
 * Copyright (C) 2008 Guangzhou EMA-Tech
 *
 * Modified from mach-omap2/board-omap3evm.c
 *
 * Initial code: Syed Mohammed Khasim
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/leds.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/gpio_keys.h>

#include <linux/regulator/machine.h>
#include <linux/i2c/twl.h>

#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/flash.h>

#include <plat/board.h>
#include <plat/common.h>
#include <plat/gpmc.h>
#include <plat/nand.h>
#include <plat/usb.h>
#include <plat/timer-gp.h>
#include <plat/display.h>

#include <plat/mcspi.h>
#include <linux/input/matrix_keypad.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/interrupt.h>
#include <linux/smsc911x.h>
#include <linux/i2c/at24.h>

#include "sdram-micron-mt46h32m32lf-6.h"
#include "mux.h"
#include "hsmmc.h"

#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
#define OMAP3STALKER_ETHR_START	0x2c000000
#define OMAP3STALKER_ETHR_SIZE	1024
#define OMAP3STALKER_ETHR_GPIO_IRQ	19
#define OMAP3STALKER_SMC911X_CS	5

static struct resource omap3stalker_smsc911x_resources[] = {
	[0] = {
	       .start	= OMAP3STALKER_ETHR_START,
	       .end	=
	       (OMAP3STALKER_ETHR_START + OMAP3STALKER_ETHR_SIZE - 1),
	       .flags	= IORESOURCE_MEM,
	},
	[1] = {
	       .start	= OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ),
	       .end	= OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ),
	       .flags	= (IORESOURCE_IRQ | IRQF_TRIGGER_LOW),
	},
};

static struct smsc911x_platform_config smsc911x_config = {
	.phy_interface	= PHY_INTERFACE_MODE_MII,
	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,
	.flags		= (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
};

static struct platform_device omap3stalker_smsc911x_device = {
	.name		= "smsc911x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(omap3stalker_smsc911x_resources),
	.resource	= &omap3stalker_smsc911x_resources[0],
	.dev		= {
		.platform_data	= &smsc911x_config,
	},
};

static inline void __init omap3stalker_init_eth(void)
{
	int eth_cs;
	struct clk *l3ck;
	unsigned int rate;

	eth_cs = OMAP3STALKER_SMC911X_CS;

	l3ck = clk_get(NULL, "l3_ck");
	if (IS_ERR(l3ck))
		rate = 100000000;
	else
		rate = clk_get_rate(l3ck);

	omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
	if (gpio_request(OMAP3STALKER_ETHR_GPIO_IRQ, "SMC911x irq") < 0) {
		printk(KERN_ERR
		       "Failed to request GPIO%d for smc911x IRQ\n",
		       OMAP3STALKER_ETHR_GPIO_IRQ);
		return;
	}

	gpio_direction_input(OMAP3STALKER_ETHR_GPIO_IRQ);

	platform_device_register(&omap3stalker_smsc911x_device);
}

#else
static inline void __init omap3stalker_init_eth(void)
{
	return;
}
#endif

/*
 * OMAP3 DSS control signals
 */

#define DSS_ENABLE_GPIO	199
#define LCD_PANEL_BKLIGHT_GPIO	210
#define ENABLE_VPLL2_DEV_GRP	0xE0

static int lcd_enabled;
static int dvi_enabled;

static void __init omap3_stalker_display_init(void)
{
	return;
}

static int omap3_stalker_enable_lcd(struct omap_dss_device *dssdev)
{
	if (dvi_enabled) {
		printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
		return -EINVAL;
	}
	gpio_set_value(DSS_ENABLE_GPIO, 1);
	gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 1);
	lcd_enabled = 1;
	return 0;
}

static void omap3_stalker_disable_lcd(struct omap_dss_device *dssdev)
{
	gpio_set_value(DSS_ENABLE_GPIO, 0);
	gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 0);
	lcd_enabled = 0;
}

static struct omap_dss_device omap3_stalker_lcd_device = {
	.name			= "lcd",
	.driver_name		= "generic_panel",
	.phy.dpi.data_lines	= 24,
	.type			= OMAP_DISPLAY_TYPE_DPI,
	.platform_enable	= omap3_stalker_enable_lcd,
	.platform_disable	= omap3_stalker_disable_lcd,
};

static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
{
	return 0;
}

static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
{
}

static struct omap_dss_device omap3_stalker_tv_device = {
	.name			= "tv",
	.driver_name		= "venc",
	.type			= OMAP_DISPLAY_TYPE_VENC,
#if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
	.phy.venc.type		= OMAP_DSS_VENC_TYPE_SVIDEO,
#elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
	.u.venc.type		= OMAP_DSS_VENC_TYPE_COMPOSITE,
#endif
	.platform_enable	= omap3_stalker_enable_tv,
	.platform_disable	= omap3_stalker_disable_tv,
};

static int omap3_stalker_enable_dvi(struct omap_dss_device *dssdev)
{
	if (lcd_enabled) {
		printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
		return -EINVAL;
	}
	gpio_set_value(DSS_ENABLE_GPIO, 1);
	dvi_enabled = 1;
	return 0;
}

static void omap3_stalker_disable_dvi(struct omap_dss_device *dssdev)
{
	gpio_set_value(DSS_ENABLE_GPIO, 0);
	dvi_enabled = 0;
}

static struct omap_dss_device omap3_stalker_dvi_device = {
	.name			= "dvi",
	.driver_name		= "generic_panel",
	.type			= OMAP_DISPLAY_TYPE_DPI,
	.phy.dpi.data_lines	= 24,
	.platform_enable	= omap3_stalker_enable_dvi,
	.platform_disable	= omap3_stalker_disable_dvi,
};

static struct omap_dss_device *omap3_stalker_dss_devices[] = {
	&omap3_stalker_lcd_device,
	&omap3_stalker_tv_device,
	&omap3_stalker_dvi_device,
};

static struct omap_dss_board_info omap3_stalker_dss_data = {
	.num_devices	= ARRAY_SIZE(omap3_stalker_dss_devices),
	.devices	= omap3_stalker_dss_devices,
	.default_device	= &omap3_stalker_dvi_device,
};

static struct platform_device omap3_stalker_dss_device = {
	.name	= "omapdss",
	.id	= -1,
	.dev	= {
		.platform_data	= &omap3_stalker_dss_data,
	},
};

static struct regulator_consumer_supply omap3stalker_vmmc1_supply = {
	.supply		= "vmmc",
};

static struct regulator_consumer_supply omap3stalker_vsim_supply = {
	.supply		= "vmmc_aux",
};

/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
static struct regulator_init_data omap3stalker_vmmc1 = {
	.constraints		= {
		.min_uV			= 1850000,
		.max_uV			= 3150000,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
		| REGULATOR_MODE_STANDBY,
		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
		| REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies	= 1,
	.consumer_supplies	= &omap3stalker_vmmc1_supply,
};

/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
static struct regulator_init_data omap3stalker_vsim = {
	.constraints		= {
		.min_uV			= 1800000,
		.max_uV			= 3000000,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
		| REGULATOR_MODE_STANDBY,
		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
		| REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies	= 1,
	.consumer_supplies	= &omap3stalker_vsim_supply,
};

static struct omap2_hsmmc_info mmc[] = {
	{
	 .mmc		= 1,
	 .wires		= 4,
	 .gpio_cd	= -EINVAL,
	 .gpio_wp	= 23,
	 },
	{}			/* Terminator */
};

static struct gpio_keys_button gpio_buttons[] = {
	{
	 .code		= BTN_EXTRA,
	 .gpio		= 18,
	 .desc		= "user",
	 .wakeup	= 1,
	 },
};

static struct gpio_keys_platform_data gpio_key_info = {
	.buttons	= gpio_buttons,
	.nbuttons	= ARRAY_SIZE(gpio_buttons),
};

static struct platform_device keys_gpio = {
	.name		= "gpio-keys",
	.id		= -1,
	.dev		= {
		.platform_data	= &gpio_key_info,
	},
};

static struct gpio_led gpio_leds[] = {
	{
	 .name			= "stalker:D8:usr0",
	 .default_trigger	= "default-on",
	 .gpio			= 126,
	 },
	{
	 .name			= "stalker:D9:usr1",
	 .default_trigger	= "default-on",
	 .gpio			= 127,
	 },
	{
	 .name			= "stalker:D3:mmc0",
	 .gpio			= -EINVAL,	/* gets replaced */
	 .active_low		= true,
	 .default_trigger	= "mmc0",
	 },
	{
	 .name			= "stalker:D4:heartbeat",
	 .gpio			= -EINVAL,	/* gets replaced */
	 .active_low		= true,
	 .default_trigger	= "heartbeat",
	 },
};

static struct gpio_led_platform_data gpio_led_info = {
	.leds		= gpio_leds,
	.num_leds	= ARRAY_SIZE(gpio_leds),
};

static struct platform_device leds_gpio = {
	.name	= "leds-gpio",
	.id	= -1,
	.dev	= {
		.platform_data	= &gpio_led_info,
	},
};

static int
omap3stalker_twl_gpio_setup(struct device *dev,
			    unsigned gpio, unsigned ngpio)
{
	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
	omap_mux_init_gpio(23, OMAP_PIN_INPUT);
	mmc[0].gpio_cd = gpio + 0;
	omap2_hsmmc_init(mmc);

	/* link regulators to MMC adapters */
	omap3stalker_vmmc1_supply.dev = mmc[0].dev;
	omap3stalker_vsim_supply.dev = mmc[0].dev;

	/*
	 * Most GPIOs are for USB OTG.  Some are mostly sent to
	 * the P2 connector; notably LEDA for the LCD backlight.
	 */

	/* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
	gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL");
	gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);

	/* gpio + 7 == DVI Enable */
	gpio_request(gpio + 7, "EN_DVI");
	gpio_direction_output(gpio + 7, 0);

	/* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
	/* GPIO + 13 == ledsync (out, heartbeat) */
	gpio_leds[3].gpio = gpio + 13;

	platform_device_register(&leds_gpio);
	return 0;
}

static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
	.gpio_base	= OMAP_MAX_GPIO_LINES,
	.irq_base	= TWL4030_GPIO_IRQ_BASE,
	.irq_end	= TWL4030_GPIO_IRQ_END,
	.use_leds	= true,
	.setup		= omap3stalker_twl_gpio_setup,
};

static struct twl4030_usb_data omap3stalker_usb_data = {
	.usb_mode	= T2_USB_MODE_ULPI,
};

static int board_keymap[] = {
	KEY(0, 0, KEY_LEFT),
	KEY(0, 1, KEY_DOWN),
	KEY(0, 2, KEY_ENTER),
	KEY(0, 3, KEY_M),

	KEY(1, 0, KEY_RIGHT),
	KEY(1, 1, KEY_UP),
	KEY(1, 2, KEY_I),
	KEY(1, 3, KEY_N),

	KEY(2, 0, KEY_A),
	KEY(2, 1, KEY_E),
	KEY(2, 2, KEY_J),
	KEY(2, 3, KEY_O),

	KEY(3, 0, KEY_B),
	KEY(3, 1, KEY_F),
	KEY(3, 2, KEY_K),
	KEY(3, 3, KEY_P)
};

static struct matrix_keymap_data board_map_data = {
	.keymap		= board_keymap,
	.keymap_size	= ARRAY_SIZE(board_keymap),
};

static struct twl4030_keypad_data omap3stalker_kp_data = {
	.keymap_data	= &board_map_data,
	.rows		= 4,
	.cols		= 4,
	.rep		= 1,
};

static struct twl4030_madc_platform_data omap3stalker_madc_data = {
	.irq_line	= 1,
};

static struct twl4030_codec_audio_data omap3stalker_audio_data = {
	.audio_mclk	= 26000000,
};

static struct twl4030_codec_data omap3stalker_codec_data = {
	.audio_mclk	= 26000000,
	.audio		= &omap3stalker_audio_data,
};

static struct regulator_consumer_supply omap3_stalker_vdda_dac_supply = {
	.supply		= "vdda_dac",
	.dev		= &omap3_stalker_dss_device.dev,
};

/* VDAC for DSS driving S-Video */
static struct regulator_init_data omap3_stalker_vdac = {
	.constraints		= {
		.min_uV			= 1800000,
		.max_uV			= 1800000,
		.apply_uV		= true,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
		| REGULATOR_MODE_STANDBY,
		.valid_ops_mask		= REGULATOR_CHANGE_MODE
		| REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies	= 1,
	.consumer_supplies	= &omap3_stalker_vdda_dac_supply,
};

/* VPLL2 for digital video outputs */
static struct regulator_consumer_supply omap3_stalker_vpll2_supply = {
	.supply		= "vdds_dsi",
	.dev		= &omap3_stalker_lcd_device.dev,
};

static struct regulator_init_data omap3_stalker_vpll2 = {
	.constraints		= {
		.name			= "VDVI",
		.min_uV			= 1800000,
		.max_uV			= 1800000,
		.apply_uV = true,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
		| REGULATOR_MODE_STANDBY,
		.valid_ops_mask		= REGULATOR_CHANGE_MODE
		| REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies	= 1,
	.consumer_supplies	= &omap3_stalker_vpll2_supply,
};

static struct twl4030_platform_data omap3stalker_twldata = {
	.irq_base	= TWL4030_IRQ_BASE,
	.irq_end	= TWL4030_IRQ_END,

	/* platform_data for children goes here */
	.keypad		= &omap3stalker_kp_data,
	.madc		= &omap3stalker_madc_data,
	.usb		= &omap3stalker_usb_data,
	.gpio		= &omap3stalker_gpio_data,
	.codec		= &omap3stalker_codec_data,
	.vdac		= &omap3_stalker_vdac,
	.vpll2		= &omap3_stalker_vpll2,
};

static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo[] = {
	{
	 I2C_BOARD_INFO("twl4030", 0x48),
	 .flags		= I2C_CLIENT_WAKE,
	 .irq		= INT_34XX_SYS_NIRQ,
	 .platform_data	= &omap3stalker_twldata,
	 },
};

static struct at24_platform_data fram_info = {
	.byte_len	= (64 * 1024) / 8,
	.page_size	= 8192,
	.flags		= AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
};

static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
	{
	 I2C_BOARD_INFO("24c64", 0x50),
	 .flags		= I2C_CLIENT_WAKE,
	 .platform_data	= &fram_info,
	 },
};

static int __init omap3_stalker_i2c_init(void)
{
	/*
	 * REVISIT: These entries can be set in omap3evm_twl_data
	 * after a merge with MFD tree
	 */
	omap3stalker_twldata.vmmc1 = &omap3stalker_vmmc1;
	omap3stalker_twldata.vsim = &omap3stalker_vsim;

	omap_register_i2c_bus(1, 2600, omap3stalker_i2c_boardinfo,
			      ARRAY_SIZE(omap3stalker_i2c_boardinfo));
	omap_register_i2c_bus(2, 400, NULL, 0);
	omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
			      ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
	return 0;
}

#define OMAP3_STALKER_TS_GPIO	175
static void ads7846_dev_init(void)
{
	if (gpio_request(OMAP3_STALKER_TS_GPIO, "ADS7846 pendown") < 0)
		printk(KERN_ERR "can't get ads7846 pen down GPIO\n");

	gpio_direction_input(OMAP3_STALKER_TS_GPIO);
	gpio_set_debounce(OMAP3_STALKER_TS_GPIO, 310);
}

static int ads7846_get_pendown_state(void)
{
	return !gpio_get_value(OMAP3_STALKER_TS_GPIO);
}

static struct ads7846_platform_data ads7846_config = {
	.x_max			= 0x0fff,
	.y_max			= 0x0fff,
	.x_plate_ohms		= 180,
	.pressure_max		= 255,
	.debounce_max		= 10,
	.debounce_tol		= 3,
	.debounce_rep		= 1,
	.get_pendown_state	= ads7846_get_pendown_state,
	.keep_vref_on		= 1,
	.settle_delay_usecs	= 150,
};

static struct omap2_mcspi_device_config ads7846_mcspi_config = {
	.turbo_mode		= 0,
	.single_channel		= 1,	/* 0: slave, 1: master */
};

struct spi_board_info omap3stalker_spi_board_info[] = {
	[0] = {
	       .modalias	= "ads7846",
	       .bus_num		= 1,
	       .chip_select	= 0,
	       .max_speed_hz	= 1500000,
	       .controller_data	= &ads7846_mcspi_config,
	       .irq		= OMAP_GPIO_IRQ(OMAP3_STALKER_TS_GPIO),
	       .platform_data	= &ads7846_config,
	},
};

static struct omap_board_config_kernel omap3_stalker_config[] __initdata = {
};

static void __init omap3_stalker_init_irq(void)
{
	omap_board_config = omap3_stalker_config;
	omap_board_config_size = ARRAY_SIZE(omap3_stalker_config);
	omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL);
	omap_init_irq();
#ifdef CONFIG_OMAP_32K_TIMER
	omap2_gp_clockevent_set_gptimer(12);
#endif
	omap_gpio_init();
}

static struct platform_device *omap3_stalker_devices[] __initdata = {
	&omap3_stalker_dss_device,
	&keys_gpio,
};

static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
	.port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,

	.phy_reset = true,
	.reset_gpio_port[0] = -EINVAL,
	.reset_gpio_port[1] = 21,
	.reset_gpio_port[2] = -EINVAL,
};

#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
	OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
		  OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
	OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
		  OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
	{.reg_offset = OMAP_MUX_TERMINATOR},
};
#else
#define board_mux	NULL
#endif

static struct omap_musb_board_data musb_board_data = {
	.interface_type	= MUSB_INTERFACE_ULPI,
	.mode		= MUSB_OTG,
	.power		= 100,
};

static void __init omap3_stalker_init(void)
{
	omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);

	omap3_stalker_i2c_init();

	platform_add_devices(omap3_stalker_devices,
			     ARRAY_SIZE(omap3_stalker_devices));

	spi_register_board_info(omap3stalker_spi_board_info,
				ARRAY_SIZE(omap3stalker_spi_board_info));

	omap_serial_init();
	usb_musb_init(&musb_board_data);
	usb_ehci_init(&ehci_pdata);
	ads7846_dev_init();

	omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
	omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);

	omap3stalker_init_eth();
	omap3_stalker_display_init();
/* Ensure SDRC pins are mux'd for self-refresh */
	omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
	omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
}

MACHINE_START(SBC3530, "OMAP3 STALKER")
	/* Maintainer: Jason Lam -lzg@ema-tech.com */
	.boot_params		= 0x80000100,
	.map_io			= omap3_map_io,
	.init_irq		= omap3_stalker_init_irq,
	.init_machine		= omap3_stalker_init,
	.timer			= &omap_timer,
MACHINE_END