summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2/board-3430sdp.c
blob: ac262cd74503d756f004503f1e92f570ea87ba5d (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
/*
 * linux/arch/arm/mach-omap2/board-3430sdp.c
 *
 * Copyright (C) 2007 Texas Instruments
 *
 * Modified from mach-omap2/board-generic.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/input.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/i2c/twl4030.h>
#include <linux/regulator/machine.h>
#include <linux/io.h>
#include <linux/gpio.h>

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

#include <mach/mcspi.h>
#include <mach/mux.h>
#include <mach/board.h>
#include <mach/usb.h>
#include <mach/common.h>
#include <mach/dma.h>
#include <mach/gpmc.h>

#include <mach/control.h>
#include <mach/keypad.h>
#include <mach/gpmc-smc91x.h>

#include "sdram-qimonda-hyb18m512160af-6.h"
#include "mmc-twl4030.h"

#define CONFIG_DISABLE_HFCLK 1

#define SDP3430_TS_GPIO_IRQ_SDPV1	3
#define SDP3430_TS_GPIO_IRQ_SDPV2	2

#define ENABLE_VAUX3_DEDICATED	0x03
#define ENABLE_VAUX3_DEV_GRP	0x20

#define TWL4030_MSECURE_GPIO 22

static int sdp3430_keymap[] = {
	KEY(0, 0, KEY_LEFT),
	KEY(0, 1, KEY_RIGHT),
	KEY(0, 2, KEY_A),
	KEY(0, 3, KEY_B),
	KEY(0, 4, KEY_C),
	KEY(1, 0, KEY_DOWN),
	KEY(1, 1, KEY_UP),
	KEY(1, 2, KEY_E),
	KEY(1, 3, KEY_F),
	KEY(1, 4, KEY_G),
	KEY(2, 0, KEY_ENTER),
	KEY(2, 1, KEY_I),
	KEY(2, 2, KEY_J),
	KEY(2, 3, KEY_K),
	KEY(2, 4, KEY_3),
	KEY(3, 0, KEY_M),
	KEY(3, 1, KEY_N),
	KEY(3, 2, KEY_O),
	KEY(3, 3, KEY_P),
	KEY(3, 4, KEY_Q),
	KEY(4, 0, KEY_R),
	KEY(4, 1, KEY_4),
	KEY(4, 2, KEY_T),
	KEY(4, 3, KEY_U),
	KEY(4, 4, KEY_D),
	KEY(5, 0, KEY_V),
	KEY(5, 1, KEY_W),
	KEY(5, 2, KEY_L),
	KEY(5, 3, KEY_S),
	KEY(5, 4, KEY_H),
	0
};

static struct twl4030_keypad_data sdp3430_kp_data = {
	.rows		= 5,
	.cols		= 6,
	.keymap		= sdp3430_keymap,
	.keymapsize	= ARRAY_SIZE(sdp3430_keymap),
	.rep		= 1,
};

static int ts_gpio;	/* Needed for ads7846_get_pendown_state */

/**
 * @brief ads7846_dev_init : Requests & sets GPIO line for pen-irq
 *
 * @return - void. If request gpio fails then Flag KERN_ERR.
 */
static void ads7846_dev_init(void)
{
	if (gpio_request(ts_gpio, "ADS7846 pendown") < 0) {
		printk(KERN_ERR "can't get ads746 pen down GPIO\n");
		return;
	}

	gpio_direction_input(ts_gpio);

	omap_set_gpio_debounce(ts_gpio, 1);
	omap_set_gpio_debounce_time(ts_gpio, 0xa);
}

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

static struct ads7846_platform_data tsc2046_config __initdata = {
	.get_pendown_state	= ads7846_get_pendown_state,
	.keep_vref_on		= 1,
};


static struct omap2_mcspi_device_config tsc2046_mcspi_config = {
	.turbo_mode	= 0,
	.single_channel	= 1,	/* 0: slave, 1: master */
};

static struct spi_board_info sdp3430_spi_board_info[] __initdata = {
	[0] = {
		/*
		 * TSC2046 operates at a max freqency of 2MHz, so
		 * operate slightly below at 1.5MHz
		 */
		.modalias		= "ads7846",
		.bus_num		= 1,
		.chip_select		= 0,
		.max_speed_hz		= 1500000,
		.controller_data	= &tsc2046_mcspi_config,
		.irq			= 0,
		.platform_data		= &tsc2046_config,
	},
};

static struct platform_device sdp3430_lcd_device = {
	.name		= "sdp2430_lcd",
	.id		= -1,
};

static struct regulator_consumer_supply sdp3430_vdac_supply = {
	.supply		= "vdac",
	.dev		= &sdp3430_lcd_device.dev,
};

static struct regulator_consumer_supply sdp3430_vdvi_supply = {
	.supply		= "vdvi",
	.dev		= &sdp3430_lcd_device.dev,
};

static struct platform_device *sdp3430_devices[] __initdata = {
	&sdp3430_lcd_device,
};

static void __init omap_3430sdp_init_irq(void)
{
	omap2_init_common_hw(hyb18m512160af6_sdrc_params, NULL);
	omap_init_irq();
	omap_gpio_init();
}

static struct omap_uart_config sdp3430_uart_config __initdata = {
	.enabled_uarts	= ((1 << 0) | (1 << 1) | (1 << 2)),
};

static struct omap_lcd_config sdp3430_lcd_config __initdata = {
	.ctrl_name	= "internal",
};

static struct omap_board_config_kernel sdp3430_config[] __initdata = {
	{ OMAP_TAG_UART,	&sdp3430_uart_config },
	{ OMAP_TAG_LCD,		&sdp3430_lcd_config },
};

static int sdp3430_batt_table[] = {
/* 0 C*/
30800, 29500, 28300, 27100,
26000, 24900, 23900, 22900, 22000, 21100, 20300, 19400, 18700, 17900,
17200, 16500, 15900, 15300, 14700, 14100, 13600, 13100, 12600, 12100,
11600, 11200, 10800, 10400, 10000, 9630,   9280,   8950,   8620,   8310,
8020,   7730,   7460,   7200,   6950,   6710,   6470,   6250,   6040,   5830,
5640,   5450,   5260,   5090,   4920,   4760,   4600,   4450,   4310,   4170,
4040,   3910,   3790,   3670,   3550
};

static struct twl4030_bci_platform_data sdp3430_bci_data = {
	.battery_tmp_tbl	= sdp3430_batt_table,
	.tblsize		= ARRAY_SIZE(sdp3430_batt_table),
};

static struct twl4030_hsmmc_info mmc[] = {
	{
		.mmc		= 1,
		/* 8 bits (default) requires S6.3 == ON,
		 * so the SIM card isn't used; else 4 bits.
		 */
		.wires		= 8,
		.gpio_wp	= 4,
	},
	{
		.mmc		= 2,
		.wires		= 8,
		.gpio_wp	= 7,
	},
	{}	/* Terminator */
};

static struct regulator_consumer_supply sdp3430_vmmc1_supply = {
	.supply			= "vmmc",
};

static struct regulator_consumer_supply sdp3430_vsim_supply = {
	.supply			= "vmmc_aux",
};

static struct regulator_consumer_supply sdp3430_vmmc2_supply = {
	.supply			= "vmmc",
};

static int sdp3430_twl_gpio_setup(struct device *dev,
		unsigned gpio, unsigned ngpio)
{
	/* gpio + 0 is "mmc0_cd" (input/IRQ),
	 * gpio + 1 is "mmc1_cd" (input/IRQ)
	 */
	mmc[0].gpio_cd = gpio + 0;
	mmc[1].gpio_cd = gpio + 1;
	twl4030_mmc_init(mmc);

	/* link regulators to MMC adapters ... we "know" the
	 * regulators will be set up only *after* we return.
	 */
	sdp3430_vmmc1_supply.dev = mmc[0].dev;
	sdp3430_vsim_supply.dev = mmc[0].dev;
	sdp3430_vmmc2_supply.dev = mmc[1].dev;

	/* gpio + 7 is "sub_lcd_en_bkl" (output/PWM1) */
	gpio_request(gpio + 7, "sub_lcd_en_bkl");
	gpio_direction_output(gpio + 7, 0);

	/* gpio + 15 is "sub_lcd_nRST" (output) */
	gpio_request(gpio + 15, "sub_lcd_nRST");
	gpio_direction_output(gpio + 15, 0);

	return 0;
}

static struct twl4030_gpio_platform_data sdp3430_gpio_data = {
	.gpio_base	= OMAP_MAX_GPIO_LINES,
	.irq_base	= TWL4030_GPIO_IRQ_BASE,
	.irq_end	= TWL4030_GPIO_IRQ_END,
	.pulldowns	= BIT(2) | BIT(6) | BIT(8) | BIT(13)
				| BIT(16) | BIT(17),
	.setup		= sdp3430_twl_gpio_setup,
};

static struct twl4030_usb_data sdp3430_usb_data = {
	.usb_mode	= T2_USB_MODE_ULPI,
};

static struct twl4030_madc_platform_data sdp3430_madc_data = {
	.irq_line	= 1,
};

/*
 * Apply all the fixed voltages since most versions of U-Boot
 * don't bother with that initialization.
 */

/* VAUX1 for mainboard (irda and sub-lcd) */
static struct regulator_init_data sdp3430_vaux1 = {
	.constraints = {
		.min_uV			= 2800000,
		.max_uV			= 2800000,
		.apply_uV		= true,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask		= REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
};

/* VAUX2 for camera module */
static struct regulator_init_data sdp3430_vaux2 = {
	.constraints = {
		.min_uV			= 2800000,
		.max_uV			= 2800000,
		.apply_uV		= true,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask		= REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
};

/* VAUX3 for LCD board */
static struct regulator_init_data sdp3430_vaux3 = {
	.constraints = {
		.min_uV			= 2800000,
		.max_uV			= 2800000,
		.apply_uV		= true,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask		= REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
};

/* VAUX4 for OMAP VDD_CSI2 (camera) */
static struct regulator_init_data sdp3430_vaux4 = {
	.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,
	},
};

/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
static struct regulator_init_data sdp3430_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	= &sdp3430_vmmc1_supply,
};

/* VMMC2 for MMC2 card */
static struct regulator_init_data sdp3430_vmmc2 = {
	.constraints = {
		.min_uV			= 1850000,
		.max_uV			= 1850000,
		.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	= &sdp3430_vmmc2_supply,
};

/* VSIM for OMAP VDD_MMC1A (i/o for DAT4..DAT7) */
static struct regulator_init_data sdp3430_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	= &sdp3430_vsim_supply,
};

/* VDAC for DSS driving S-Video */
static struct regulator_init_data sdp3430_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	= &sdp3430_vdac_supply,
};

/* VPLL2 for digital video outputs */
static struct regulator_init_data sdp3430_vpll2 = {
	.constraints = {
		.name			= "VDVI",
		.min_uV			= 1800000,
		.max_uV			= 1800000,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask		= REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies	= 1,
	.consumer_supplies	= &sdp3430_vdvi_supply,
};

static struct twl4030_platform_data sdp3430_twldata = {
	.irq_base	= TWL4030_IRQ_BASE,
	.irq_end	= TWL4030_IRQ_END,

	/* platform_data for children goes here */
	.bci		= &sdp3430_bci_data,
	.gpio		= &sdp3430_gpio_data,
	.madc		= &sdp3430_madc_data,
	.keypad		= &sdp3430_kp_data,
	.usb		= &sdp3430_usb_data,

	.vaux1		= &sdp3430_vaux1,
	.vaux2		= &sdp3430_vaux2,
	.vaux3		= &sdp3430_vaux3,
	.vaux4		= &sdp3430_vaux4,
	.vmmc1		= &sdp3430_vmmc1,
	.vmmc2		= &sdp3430_vmmc2,
	.vsim		= &sdp3430_vsim,
	.vdac		= &sdp3430_vdac,
	.vpll2		= &sdp3430_vpll2,
};

static struct i2c_board_info __initdata sdp3430_i2c_boardinfo[] = {
	{
		I2C_BOARD_INFO("twl4030", 0x48),
		.flags = I2C_CLIENT_WAKE,
		.irq = INT_34XX_SYS_NIRQ,
		.platform_data = &sdp3430_twldata,
	},
};

static int __init omap3430_i2c_init(void)
{
	/* i2c1 for PMIC only */
	omap_register_i2c_bus(1, 2600, sdp3430_i2c_boardinfo,
			ARRAY_SIZE(sdp3430_i2c_boardinfo));
	/* i2c2 on camera connector (for sensor control) and optional isp1301 */
	omap_register_i2c_bus(2, 400, NULL, 0);
	/* i2c3 on display connector (for DVI, tfp410) */
	omap_register_i2c_bus(3, 400, NULL, 0);
	return 0;
}

#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)

static struct omap_smc91x_platform_data board_smc91x_data = {
	.cs		= 3,
	.flags		= GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 |
				IORESOURCE_IRQ_LOWLEVEL,
};

static void __init board_smc91x_init(void)
{
	if (omap_rev() > OMAP3430_REV_ES1_0)
		board_smc91x_data.gpio_irq = 6;
	else
		board_smc91x_data.gpio_irq = 29;

	gpmc_smc91x_init(&board_smc91x_data);
}

#else

static inline void board_smc91x_init(void)
{
}

#endif

static void __init omap_3430sdp_init(void)
{
	omap3430_i2c_init();
	platform_add_devices(sdp3430_devices, ARRAY_SIZE(sdp3430_devices));
	omap_board_config = sdp3430_config;
	omap_board_config_size = ARRAY_SIZE(sdp3430_config);
	if (omap_rev() > OMAP3430_REV_ES1_0)
		ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV2;
	else
		ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV1;
	sdp3430_spi_board_info[0].irq = gpio_to_irq(ts_gpio);
	spi_register_board_info(sdp3430_spi_board_info,
				ARRAY_SIZE(sdp3430_spi_board_info));
	ads7846_dev_init();
	omap_serial_init();
	usb_musb_init();
	board_smc91x_init();
}

static void __init omap_3430sdp_map_io(void)
{
	omap2_set_globals_343x();
	omap2_map_common_io();
}

MACHINE_START(OMAP_3430SDP, "OMAP3430 3430SDP board")
	/* Maintainer: Syed Khasim - Texas Instruments Inc */
	.phys_io	= 0x48000000,
	.io_pg_offst	= ((0xd8000000) >> 18) & 0xfffc,
	.boot_params	= 0x80000100,
	.map_io		= omap_3430sdp_map_io,
	.init_irq	= omap_3430sdp_init_irq,
	.init_machine	= omap_3430sdp_init,
	.timer		= &omap_timer,
MACHINE_END