summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2/board-omap3evm.c
blob: ec00b2ec70227ffa164fc928c5bc403d05c52f32 (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
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
/*
 * linux/arch/arm/mach-omap2/board-omap3evm.c
 *
 * Copyright (C) 2008 Texas Instruments
 *
 * Modified from mach-omap2/board-3430sdp.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/gpio.h>
#include <linux/input.h>
#include <linux/input/matrix_keypad.h>
#include <linux/leds.h>
#include <linux/interrupt.h>

#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/i2c/twl.h>
#include <linux/usb/otg.h>
#include <linux/smsc911x.h>

#include <linux/wl12xx.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/mmc/host.h>
#include <linux/export.h>

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

#include <plat/board.h>
#include <plat/usb.h>
#include <plat/common.h>
#include <plat/mcspi.h>
#include <video/omapdss.h>
#include <video/omap-panel-dvi.h>

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

#define OMAP3_EVM_TS_GPIO	175
#define OMAP3_EVM_EHCI_VBUS	22
#define OMAP3_EVM_EHCI_SELECT	61

#define OMAP3EVM_ETHR_START	0x2c000000
#define OMAP3EVM_ETHR_SIZE	1024
#define OMAP3EVM_ETHR_ID_REV	0x50
#define OMAP3EVM_ETHR_GPIO_IRQ	176
#define OMAP3EVM_SMSC911X_CS	5
/*
 * Eth Reset signal
 *	64 = Generation 1 (<=RevD)
 *	7 = Generation 2 (>=RevE)
 */
#define OMAP3EVM_GEN1_ETHR_GPIO_RST	64
#define OMAP3EVM_GEN2_ETHR_GPIO_RST	7

static u8 omap3_evm_version;

u8 get_omap3_evm_rev(void)
{
	return omap3_evm_version;
}
EXPORT_SYMBOL(get_omap3_evm_rev);

static void __init omap3_evm_get_revision(void)
{
	void __iomem *ioaddr;
	unsigned int smsc_id;

	/* Ethernet PHY ID is stored at ID_REV register */
	ioaddr = ioremap_nocache(OMAP3EVM_ETHR_START, SZ_1K);
	if (!ioaddr)
		return;
	smsc_id = readl(ioaddr + OMAP3EVM_ETHR_ID_REV) & 0xFFFF0000;
	iounmap(ioaddr);

	switch (smsc_id) {
	/*SMSC9115 chipset*/
	case 0x01150000:
		omap3_evm_version = OMAP3EVM_BOARD_GEN_1;
		break;
	/*SMSC 9220 chipset*/
	case 0x92200000:
	default:
		omap3_evm_version = OMAP3EVM_BOARD_GEN_2;
	}
}

#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
#include <plat/gpmc-smsc911x.h>

static struct omap_smsc911x_platform_data smsc911x_cfg = {
	.cs             = OMAP3EVM_SMSC911X_CS,
	.gpio_irq       = OMAP3EVM_ETHR_GPIO_IRQ,
	.gpio_reset     = -EINVAL,
	.flags		= SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
};

static inline void __init omap3evm_init_smsc911x(void)
{
	struct clk *l3ck;
	unsigned int rate;

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

	/* Configure ethernet controller reset gpio */
	if (cpu_is_omap3430()) {
		if (get_omap3_evm_rev() == OMAP3EVM_BOARD_GEN_1)
			smsc911x_cfg.gpio_reset = OMAP3EVM_GEN1_ETHR_GPIO_RST;
		else
			smsc911x_cfg.gpio_reset = OMAP3EVM_GEN2_ETHR_GPIO_RST;
	}

	gpmc_smsc911x_init(&smsc911x_cfg);
}

#else
static inline void __init omap3evm_init_smsc911x(void) { return; }
#endif

/*
 * OMAP3EVM LCD Panel control signals
 */
#define OMAP3EVM_LCD_PANEL_LR		2
#define OMAP3EVM_LCD_PANEL_UD		3
#define OMAP3EVM_LCD_PANEL_INI		152
#define OMAP3EVM_LCD_PANEL_ENVDD	153
#define OMAP3EVM_LCD_PANEL_QVGA		154
#define OMAP3EVM_LCD_PANEL_RESB		155
#define OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO	210
#define OMAP3EVM_DVI_PANEL_EN_GPIO	199

static struct gpio omap3_evm_dss_gpios[] __initdata = {
	{ OMAP3EVM_LCD_PANEL_RESB,  GPIOF_OUT_INIT_HIGH, "lcd_panel_resb"  },
	{ OMAP3EVM_LCD_PANEL_INI,   GPIOF_OUT_INIT_HIGH, "lcd_panel_ini"   },
	{ OMAP3EVM_LCD_PANEL_QVGA,  GPIOF_OUT_INIT_LOW,  "lcd_panel_qvga"  },
	{ OMAP3EVM_LCD_PANEL_LR,    GPIOF_OUT_INIT_HIGH, "lcd_panel_lr"    },
	{ OMAP3EVM_LCD_PANEL_UD,    GPIOF_OUT_INIT_HIGH, "lcd_panel_ud"    },
	{ OMAP3EVM_LCD_PANEL_ENVDD, GPIOF_OUT_INIT_LOW,  "lcd_panel_envdd" },
};

static int lcd_enabled;
static int dvi_enabled;

static void __init omap3_evm_display_init(void)
{
	int r;

	r = gpio_request_array(omap3_evm_dss_gpios,
			       ARRAY_SIZE(omap3_evm_dss_gpios));
	if (r)
		printk(KERN_ERR "failed to get lcd_panel_* gpios\n");
}

static int omap3_evm_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(OMAP3EVM_LCD_PANEL_ENVDD, 0);

	if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
		gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);
	else
		gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);

	lcd_enabled = 1;
	return 0;
}

static void omap3_evm_disable_lcd(struct omap_dss_device *dssdev)
{
	gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 1);

	if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
		gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);
	else
		gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);

	lcd_enabled = 0;
}

static struct omap_dss_device omap3_evm_lcd_device = {
	.name			= "lcd",
	.driver_name		= "sharp_ls_panel",
	.type			= OMAP_DISPLAY_TYPE_DPI,
	.phy.dpi.data_lines	= 18,
	.platform_enable	= omap3_evm_enable_lcd,
	.platform_disable	= omap3_evm_disable_lcd,
};

static int omap3_evm_enable_tv(struct omap_dss_device *dssdev)
{
	return 0;
}

static void omap3_evm_disable_tv(struct omap_dss_device *dssdev)
{
}

static struct omap_dss_device omap3_evm_tv_device = {
	.name			= "tv",
	.driver_name		= "venc",
	.type			= OMAP_DISPLAY_TYPE_VENC,
	.phy.venc.type		= OMAP_DSS_VENC_TYPE_SVIDEO,
	.platform_enable	= omap3_evm_enable_tv,
	.platform_disable	= omap3_evm_disable_tv,
};

static int omap3_evm_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_cansleep(OMAP3EVM_DVI_PANEL_EN_GPIO, 1);

	dvi_enabled = 1;
	return 0;
}

static void omap3_evm_disable_dvi(struct omap_dss_device *dssdev)
{
	gpio_set_value_cansleep(OMAP3EVM_DVI_PANEL_EN_GPIO, 0);

	dvi_enabled = 0;
}

static struct panel_dvi_platform_data dvi_panel = {
	.platform_enable	= omap3_evm_enable_dvi,
	.platform_disable	= omap3_evm_disable_dvi,
};

static struct omap_dss_device omap3_evm_dvi_device = {
	.name			= "dvi",
	.type			= OMAP_DISPLAY_TYPE_DPI,
	.driver_name		= "dvi",
	.data			= &dvi_panel,
	.phy.dpi.data_lines	= 24,
};

static struct omap_dss_device *omap3_evm_dss_devices[] = {
	&omap3_evm_lcd_device,
	&omap3_evm_tv_device,
	&omap3_evm_dvi_device,
};

static struct omap_dss_board_info omap3_evm_dss_data = {
	.num_devices	= ARRAY_SIZE(omap3_evm_dss_devices),
	.devices	= omap3_evm_dss_devices,
	.default_device	= &omap3_evm_lcd_device,
};

static struct regulator_consumer_supply omap3evm_vmmc1_supply[] = {
	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
};

static struct regulator_consumer_supply omap3evm_vsim_supply[] = {
	REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
};

/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
static struct regulator_init_data omap3evm_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	= ARRAY_SIZE(omap3evm_vmmc1_supply),
	.consumer_supplies	= omap3evm_vmmc1_supply,
};

/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
static struct regulator_init_data omap3evm_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	= ARRAY_SIZE(omap3evm_vsim_supply),
	.consumer_supplies	= omap3evm_vsim_supply,
};

static struct omap2_hsmmc_info mmc[] = {
	{
		.mmc		= 1,
		.caps		= MMC_CAP_4_BIT_DATA,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= 63,
	},
#ifdef CONFIG_WL12XX_PLATFORM_DATA
	{
		.name		= "wl1271",
		.mmc		= 2,
		.caps		= MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
		.gpio_wp	= -EINVAL,
		.gpio_cd	= -EINVAL,
		.nonremovable	= true,
	},
#endif
	{}	/* Terminator */
};

static struct gpio_led gpio_leds[] = {
	{
		.name			= "omap3evm::ledb",
		/* normally not visible (board underside) */
		.default_trigger	= "default-on",
		.gpio			= -EINVAL,	/* gets replaced */
		.active_low		= true,
	},
};

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 omap3evm_twl_gpio_setup(struct device *dev,
		unsigned gpio, unsigned ngpio)
{
	int r, lcd_bl_en;

	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
	omap_mux_init_gpio(63, OMAP_PIN_INPUT);
	mmc[0].gpio_cd = gpio + 0;
	omap2_hsmmc_init(mmc);

	/*
	 * 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 */
	lcd_bl_en = get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2 ?
		GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW;
	r = gpio_request_one(gpio + TWL4030_GPIO_MAX, lcd_bl_en, "EN_LCD_BKL");
	if (r)
		printk(KERN_ERR "failed to get/set lcd_bkl gpio\n");

	/* gpio + 7 == DVI Enable */
	gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");

	/* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;

	platform_device_register(&leds_gpio);

	return 0;
}

static struct twl4030_gpio_platform_data omap3evm_gpio_data = {
	.gpio_base	= OMAP_MAX_GPIO_LINES,
	.irq_base	= TWL4030_GPIO_IRQ_BASE,
	.irq_end	= TWL4030_GPIO_IRQ_END,
	.use_leds	= true,
	.setup		= omap3evm_twl_gpio_setup,
};

static uint32_t 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 omap3evm_kp_data = {
	.keymap_data	= &board_map_data,
	.rows		= 4,
	.cols		= 4,
	.rep		= 1,
};

/* ads7846 on SPI */
static struct regulator_consumer_supply omap3evm_vio_supply[] = {
	REGULATOR_SUPPLY("vcc", "spi1.0"),
};

/* VIO for ads7846 */
static struct regulator_init_data omap3evm_vio = {
	.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	= ARRAY_SIZE(omap3evm_vio_supply),
	.consumer_supplies	= omap3evm_vio_supply,
};

#ifdef CONFIG_WL12XX_PLATFORM_DATA

#define OMAP3EVM_WLAN_PMENA_GPIO	(150)
#define OMAP3EVM_WLAN_IRQ_GPIO		(149)

static struct regulator_consumer_supply omap3evm_vmmc2_supply[] = {
	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
};

/* VMMC2 for driving the WL12xx module */
static struct regulator_init_data omap3evm_vmmc2 = {
	.constraints = {
		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies	= ARRAY_SIZE(omap3evm_vmmc2_supply),
	.consumer_supplies	= omap3evm_vmmc2_supply,
};

static struct fixed_voltage_config omap3evm_vwlan = {
	.supply_name		= "vwl1271",
	.microvolts		= 1800000, /* 1.80V */
	.gpio			= OMAP3EVM_WLAN_PMENA_GPIO,
	.startup_delay		= 70000, /* 70ms */
	.enable_high		= 1,
	.enabled_at_boot	= 0,
	.init_data		= &omap3evm_vmmc2,
};

static struct platform_device omap3evm_wlan_regulator = {
	.name		= "reg-fixed-voltage",
	.id		= 1,
	.dev = {
		.platform_data	= &omap3evm_vwlan,
	},
};

struct wl12xx_platform_data omap3evm_wlan_data __initdata = {
	.irq = OMAP_GPIO_IRQ(OMAP3EVM_WLAN_IRQ_GPIO),
	.board_ref_clock = WL12XX_REFCLOCK_38, /* 38.4 MHz */
};
#endif

static struct twl4030_platform_data omap3evm_twldata = {
	/* platform_data for children goes here */
	.keypad		= &omap3evm_kp_data,
	.gpio		= &omap3evm_gpio_data,
	.vio		= &omap3evm_vio,
	.vmmc1		= &omap3evm_vmmc1,
	.vsim		= &omap3evm_vsim,
};

static int __init omap3_evm_i2c_init(void)
{
	omap3_pmic_get_config(&omap3evm_twldata,
			TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
			TWL_COMMON_PDATA_AUDIO,
			TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);

	omap3evm_twldata.vdac->constraints.apply_uV = true;
	omap3evm_twldata.vpll2->constraints.apply_uV = true;

	omap3_pmic_init("twl4030", &omap3evm_twldata);
	omap_register_i2c_bus(2, 400, NULL, 0);
	omap_register_i2c_bus(3, 400, NULL, 0);
	return 0;
}

static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
};

static struct usbhs_omap_board_data usbhs_bdata __initdata = {

	.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,

	.phy_reset  = true,
	/* PHY reset GPIO will be runtime programmed based on EVM version */
	.reset_gpio_port[0]  = -EINVAL,
	.reset_gpio_port[1]  = -EINVAL,
	.reset_gpio_port[2]  = -EINVAL
};

#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux omap35x_board_mux[] __initdata = {
	OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
				OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
				OMAP_PIN_OFF_WAKEUPENABLE),
	OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
				OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
				OMAP_PIN_OFF_WAKEUPENABLE),
	OMAP3_MUX(SYS_BOOT5, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
				OMAP_PIN_OFF_NONE),
	OMAP3_MUX(GPMC_WAIT2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
				OMAP_PIN_OFF_NONE),
#ifdef CONFIG_WL12XX_PLATFORM_DATA
	/* WLAN IRQ - GPIO 149 */
	OMAP3_MUX(UART1_RTS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),

	/* WLAN POWER ENABLE - GPIO 150 */
	OMAP3_MUX(UART1_CTS, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),

	/* MMC2 SDIO pin muxes for WL12xx */
	OMAP3_MUX(SDMMC2_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
	OMAP3_MUX(SDMMC2_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
	OMAP3_MUX(SDMMC2_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
	OMAP3_MUX(SDMMC2_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
	OMAP3_MUX(SDMMC2_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
	OMAP3_MUX(SDMMC2_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
#endif
	{ .reg_offset = OMAP_MUX_TERMINATOR },
};

static struct omap_board_mux omap36x_board_mux[] __initdata = {
	OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
				OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
				OMAP_PIN_OFF_WAKEUPENABLE),
	OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
				OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
				OMAP_PIN_OFF_WAKEUPENABLE),
	/* AM/DM37x EVM: DSS data bus muxed with sys_boot */
	OMAP3_MUX(DSS_DATA18, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
	OMAP3_MUX(DSS_DATA19, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
	OMAP3_MUX(DSS_DATA22, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
	OMAP3_MUX(DSS_DATA21, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
	OMAP3_MUX(DSS_DATA22, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
	OMAP3_MUX(DSS_DATA23, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
	OMAP3_MUX(SYS_BOOT0, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
	OMAP3_MUX(SYS_BOOT1, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
	OMAP3_MUX(SYS_BOOT3, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
	OMAP3_MUX(SYS_BOOT4, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
	OMAP3_MUX(SYS_BOOT5, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
	OMAP3_MUX(SYS_BOOT6, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
#ifdef CONFIG_WL12XX_PLATFORM_DATA
	/* WLAN IRQ - GPIO 149 */
	OMAP3_MUX(UART1_RTS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),

	/* WLAN POWER ENABLE - GPIO 150 */
	OMAP3_MUX(UART1_CTS, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),

	/* MMC2 SDIO pin muxes for WL12xx */
	OMAP3_MUX(SDMMC2_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
	OMAP3_MUX(SDMMC2_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
	OMAP3_MUX(SDMMC2_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
	OMAP3_MUX(SDMMC2_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
	OMAP3_MUX(SDMMC2_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
	OMAP3_MUX(SDMMC2_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
#endif

	{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#else
#define omap35x_board_mux	NULL
#define omap36x_board_mux	NULL
#endif

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

static struct gpio omap3_evm_ehci_gpios[] __initdata = {
	{ OMAP3_EVM_EHCI_VBUS,	 GPIOF_OUT_INIT_HIGH,  "enable EHCI VBUS" },
	{ OMAP3_EVM_EHCI_SELECT, GPIOF_OUT_INIT_LOW,   "select EHCI port" },
};

static void __init omap3_evm_init(void)
{
	omap3_evm_get_revision();

	if (cpu_is_omap3630())
		omap3_mux_init(omap36x_board_mux, OMAP_PACKAGE_CBB);
	else
		omap3_mux_init(omap35x_board_mux, OMAP_PACKAGE_CBB);

	omap_board_config = omap3_evm_config;
	omap_board_config_size = ARRAY_SIZE(omap3_evm_config);

	omap3_evm_i2c_init();

	omap_display_init(&omap3_evm_dss_data);

	omap_serial_init();
	omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL);

	/* OMAP3EVM uses ISP1504 phy and so register nop transceiver */
	usb_nop_xceiv_register();

	if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) {
		/* enable EHCI VBUS using GPIO22 */
		omap_mux_init_gpio(OMAP3_EVM_EHCI_VBUS, OMAP_PIN_INPUT_PULLUP);
		/* Select EHCI port on main board */
		omap_mux_init_gpio(OMAP3_EVM_EHCI_SELECT,
				   OMAP_PIN_INPUT_PULLUP);
		gpio_request_array(omap3_evm_ehci_gpios,
				   ARRAY_SIZE(omap3_evm_ehci_gpios));

		/* setup EHCI phy reset config */
		omap_mux_init_gpio(21, OMAP_PIN_INPUT_PULLUP);
		usbhs_bdata.reset_gpio_port[1] = 21;

		/* EVM REV >= E can supply 500mA with EXTVBUS programming */
		musb_board_data.power = 500;
		musb_board_data.extvbus = 1;
	} else {
		/* setup EHCI phy reset on MDC */
		omap_mux_init_gpio(135, OMAP_PIN_OUTPUT);
		usbhs_bdata.reset_gpio_port[1] = 135;
	}
	usb_musb_init(&musb_board_data);
	usbhs_init(&usbhs_bdata);
	omap_ads7846_init(1, OMAP3_EVM_TS_GPIO, 310, NULL);
	omap3evm_init_smsc911x();
	omap3_evm_display_init();

#ifdef CONFIG_WL12XX_PLATFORM_DATA
	/* WL12xx WLAN Init */
	if (wl12xx_set_platform_data(&omap3evm_wlan_data))
		pr_err("error setting wl12xx data\n");
	platform_device_register(&omap3evm_wlan_regulator);
#endif
}

MACHINE_START(OMAP3EVM, "OMAP3 EVM")
	/* Maintainer: Syed Mohammed Khasim - Texas Instruments */
	.atag_offset	= 0x100,
	.reserve	= omap_reserve,
	.map_io		= omap3_map_io,
	.init_early	= omap35xx_init_early,
	.init_irq	= omap3_init_irq,
	.init_machine	= omap3_evm_init,
	.timer		= &omap3_timer,
MACHINE_END
OpenPOWER on IntegriCloud