summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-pxa/z2.c
blob: 6c9275a20c91d6735e1ee656b332816e3aaf3a86 (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
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
/*
 *  linux/arch/arm/mach-pxa/z2.c
 *
 *  Support for the Zipit Z2 Handheld device.
 *
 *  Copyright (C) 2009-2010 Marek Vasut <marek.vasut@gmail.com>
 *
 *  Based on research and code by: Ken McGuire
 *  Based on mainstone.c as modified for the Zipit Z2.
 *
 *  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/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/pwm_backlight.h>
#include <linux/z2_battery.h>
#include <linux/dma-mapping.h>
#include <linux/spi/spi.h>
#include <linux/spi/pxa2xx_spi.h>
#include <linux/spi/libertas_spi.h>
#include <linux/spi/lms283gf05.h>
#include <linux/power_supply.h>
#include <linux/mtd/physmap.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/delay.h>
#include <linux/regulator/machine.h>
#include <linux/i2c/pxa-i2c.h>

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

#include <mach/pxa27x.h>
#include <mach/mfp-pxa27x.h>
#include <mach/z2.h>
#include <mach/pxafb.h>
#include <mach/mmc.h>
#include <plat/pxa27x_keypad.h>
#include <mach/pm.h>

#include "generic.h"
#include "devices.h"

/******************************************************************************
 * Pin configuration
 ******************************************************************************/
static unsigned long z2_pin_config[] = {

	/* LCD - 16bpp Active TFT */
	GPIO58_LCD_LDD_0,
	GPIO59_LCD_LDD_1,
	GPIO60_LCD_LDD_2,
	GPIO61_LCD_LDD_3,
	GPIO62_LCD_LDD_4,
	GPIO63_LCD_LDD_5,
	GPIO64_LCD_LDD_6,
	GPIO65_LCD_LDD_7,
	GPIO66_LCD_LDD_8,
	GPIO67_LCD_LDD_9,
	GPIO68_LCD_LDD_10,
	GPIO69_LCD_LDD_11,
	GPIO70_LCD_LDD_12,
	GPIO71_LCD_LDD_13,
	GPIO72_LCD_LDD_14,
	GPIO73_LCD_LDD_15,
	GPIO74_LCD_FCLK,
	GPIO75_LCD_LCLK,
	GPIO76_LCD_PCLK,
	GPIO77_LCD_BIAS,
	GPIO19_GPIO,		/* LCD reset */
	GPIO88_GPIO,		/* LCD chipselect */

	/* PWM */
	GPIO115_PWM1_OUT,	/* Keypad Backlight */
	GPIO11_PWM2_OUT,	/* LCD Backlight */

	/* MMC */
	GPIO32_MMC_CLK,
	GPIO112_MMC_CMD,
	GPIO92_MMC_DAT_0,
	GPIO109_MMC_DAT_1,
	GPIO110_MMC_DAT_2,
	GPIO111_MMC_DAT_3,
	GPIO96_GPIO,		/* SD detect */

	/* STUART */
	GPIO46_STUART_RXD,
	GPIO47_STUART_TXD,

	/* Keypad */
	GPIO100_KP_MKIN_0,
	GPIO101_KP_MKIN_1,
	GPIO102_KP_MKIN_2,
	GPIO34_KP_MKIN_3,
	GPIO38_KP_MKIN_4,
	GPIO16_KP_MKIN_5,
	GPIO17_KP_MKIN_6,
	GPIO103_KP_MKOUT_0,
	GPIO104_KP_MKOUT_1,
	GPIO105_KP_MKOUT_2,
	GPIO106_KP_MKOUT_3,
	GPIO107_KP_MKOUT_4,
	GPIO108_KP_MKOUT_5,
	GPIO35_KP_MKOUT_6,
	GPIO41_KP_MKOUT_7,

	/* I2C */
	GPIO117_I2C_SCL,
	GPIO118_I2C_SDA,

	/* SSP1 */
	GPIO23_SSP1_SCLK,	/* SSP1_SCK */
	GPIO25_SSP1_TXD,	/* SSP1_TXD */
	GPIO26_SSP1_RXD,	/* SSP1_RXD */

	/* SSP2 */
	GPIO22_SSP2_SCLK,	/* SSP2_SCK */
	GPIO13_SSP2_TXD,	/* SSP2_TXD */
	GPIO40_SSP2_RXD,	/* SSP2_RXD */

	/* LEDs */
	GPIO10_GPIO,		/* WiFi LED */
	GPIO83_GPIO,		/* Charging LED */
	GPIO85_GPIO,		/* Charged LED */

	/* I2S */
	GPIO28_I2S_BITCLK_OUT,
	GPIO29_I2S_SDATA_IN,
	GPIO30_I2S_SDATA_OUT,
	GPIO31_I2S_SYNC,
	GPIO113_I2S_SYSCLK,

	/* MISC */
	GPIO0_GPIO,		/* AC power detect */
	GPIO1_GPIO,		/* Power button */
	GPIO37_GPIO,		/* Headphone detect */
	GPIO98_GPIO,		/* Lid switch */
	GPIO14_GPIO,		/* WiFi Power */
	GPIO24_GPIO,		/* WiFi CS */
	GPIO36_GPIO,		/* WiFi IRQ */
	GPIO88_GPIO,		/* LCD CS */
};

/******************************************************************************
 * NOR Flash
 ******************************************************************************/
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
static struct resource z2_flash_resource = {
	.start	= PXA_CS0_PHYS,
	.end	= PXA_CS0_PHYS + SZ_8M - 1,
	.flags	= IORESOURCE_MEM,
};

static struct mtd_partition z2_flash_parts[] = {
	{
		.name	= "U-Boot Bootloader",
		.offset	= 0x0,
		.size	= 0x40000,
	}, {
		.name	= "U-Boot Environment",
		.offset	= 0x40000,
		.size	= 0x20000,
	}, {
		.name	= "Flash",
		.offset	= 0x60000,
		.size	= MTDPART_SIZ_FULL,
	},
};

static struct physmap_flash_data z2_flash_data = {
	.width		= 2,
	.parts		= z2_flash_parts,
	.nr_parts	= ARRAY_SIZE(z2_flash_parts),
};

static struct platform_device z2_flash = {
	.name		= "physmap-flash",
	.id		= -1,
	.resource	= &z2_flash_resource,
	.num_resources	= 1,
	.dev = {
		.platform_data	= &z2_flash_data,
	},
};

static void __init z2_nor_init(void)
{
	platform_device_register(&z2_flash);
}
#else
static inline void z2_nor_init(void) {}
#endif

/******************************************************************************
 * Backlight
 ******************************************************************************/
#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
static struct platform_pwm_backlight_data z2_backlight_data[] = {
	[0] = {
		/* Keypad Backlight */
		.pwm_id		= 1,
		.max_brightness	= 1023,
		.dft_brightness	= 0,
		.pwm_period_ns	= 1260320,
	},
	[1] = {
		/* LCD Backlight */
		.pwm_id		= 2,
		.max_brightness	= 1023,
		.dft_brightness	= 512,
		.pwm_period_ns	= 1260320,
	},
};

static struct platform_device z2_backlight_devices[2] = {
	{
		.name	= "pwm-backlight",
		.id	= 0,
		.dev	= {
			.platform_data	= &z2_backlight_data[1],
		},
	},
	{
		.name	= "pwm-backlight",
		.id	= 1,
		.dev	= {
			.platform_data	= &z2_backlight_data[0],
		},
	},
};
static void __init z2_pwm_init(void)
{
	platform_device_register(&z2_backlight_devices[0]);
	platform_device_register(&z2_backlight_devices[1]);
}
#else
static inline void z2_pwm_init(void) {}
#endif

/******************************************************************************
 * Framebuffer
 ******************************************************************************/
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static struct pxafb_mode_info z2_lcd_modes[] = {
{
	.pixclock	= 192000,
	.xres		= 240,
	.yres		= 320,
	.bpp		= 16,

	.left_margin	= 4,
	.right_margin	= 8,
	.upper_margin	= 4,
	.lower_margin	= 8,

	.hsync_len	= 4,
	.vsync_len	= 4,
},
};

static struct pxafb_mach_info z2_lcd_screen = {
	.modes		= z2_lcd_modes,
	.num_modes      = ARRAY_SIZE(z2_lcd_modes),
	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_BIAS_ACTIVE_LOW |
			  LCD_ALTERNATE_MAPPING,
};

static void __init z2_lcd_init(void)
{
	pxa_set_fb_info(NULL, &z2_lcd_screen);
}
#else
static inline void z2_lcd_init(void) {}
#endif

/******************************************************************************
 * SD/MMC card controller
 ******************************************************************************/
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
static struct pxamci_platform_data z2_mci_platform_data = {
	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
	.gpio_card_detect	= GPIO96_ZIPITZ2_SD_DETECT,
	.gpio_power		= -1,
	.gpio_card_ro		= -1,
	.detect_delay_ms	= 200,
};

static void __init z2_mmc_init(void)
{
	pxa_set_mci_info(&z2_mci_platform_data);
}
#else
static inline void z2_mmc_init(void) {}
#endif

/******************************************************************************
 * LEDs
 ******************************************************************************/
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
struct gpio_led z2_gpio_leds[] = {
{
	.name			= "z2:green:wifi",
	.default_trigger	= "none",
	.gpio			= GPIO10_ZIPITZ2_LED_WIFI,
	.active_low		= 1,
}, {
	.name			= "z2:green:charged",
	.default_trigger	= "mmc0",
	.gpio			= GPIO85_ZIPITZ2_LED_CHARGED,
	.active_low		= 1,
}, {
	.name			= "z2:amber:charging",
	.default_trigger	= "Z2-charging-or-full",
	.gpio			= GPIO83_ZIPITZ2_LED_CHARGING,
	.active_low		= 1,
},
};

static struct gpio_led_platform_data z2_gpio_led_info = {
	.leds		= z2_gpio_leds,
	.num_leds	= ARRAY_SIZE(z2_gpio_leds),
};

static struct platform_device z2_leds = {
	.name	= "leds-gpio",
	.id	= -1,
	.dev	= {
		.platform_data	= &z2_gpio_led_info,
	}
};

static void __init z2_leds_init(void)
{
	platform_device_register(&z2_leds);
}
#else
static inline void z2_leds_init(void) {}
#endif

/******************************************************************************
 * GPIO keyboard
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
static unsigned int z2_matrix_keys[] = {
	KEY(0, 0, KEY_OPTION),
	KEY(1, 0, KEY_UP),
	KEY(2, 0, KEY_DOWN),
	KEY(3, 0, KEY_LEFT),
	KEY(4, 0, KEY_RIGHT),
	KEY(5, 0, KEY_END),
	KEY(6, 0, KEY_KPPLUS),

	KEY(0, 1, KEY_HOME),
	KEY(1, 1, KEY_Q),
	KEY(2, 1, KEY_I),
	KEY(3, 1, KEY_G),
	KEY(4, 1, KEY_X),
	KEY(5, 1, KEY_ENTER),
	KEY(6, 1, KEY_KPMINUS),

	KEY(0, 2, KEY_PAGEUP),
	KEY(1, 2, KEY_W),
	KEY(2, 2, KEY_O),
	KEY(3, 2, KEY_H),
	KEY(4, 2, KEY_C),
	KEY(5, 2, KEY_LEFTALT),

	KEY(0, 3, KEY_PAGEDOWN),
	KEY(1, 3, KEY_E),
	KEY(2, 3, KEY_P),
	KEY(3, 3, KEY_J),
	KEY(4, 3, KEY_V),
	KEY(5, 3, KEY_LEFTSHIFT),

	KEY(0, 4, KEY_ESC),
	KEY(1, 4, KEY_R),
	KEY(2, 4, KEY_A),
	KEY(3, 4, KEY_K),
	KEY(4, 4, KEY_B),
	KEY(5, 4, KEY_LEFTCTRL),

	KEY(0, 5, KEY_TAB),
	KEY(1, 5, KEY_T),
	KEY(2, 5, KEY_S),
	KEY(3, 5, KEY_L),
	KEY(4, 5, KEY_N),
	KEY(5, 5, KEY_SPACE),

	KEY(0, 6, KEY_STOPCD),
	KEY(1, 6, KEY_Y),
	KEY(2, 6, KEY_D),
	KEY(3, 6, KEY_BACKSPACE),
	KEY(4, 6, KEY_M),
	KEY(5, 6, KEY_COMMA),

	KEY(0, 7, KEY_PLAYCD),
	KEY(1, 7, KEY_U),
	KEY(2, 7, KEY_F),
	KEY(3, 7, KEY_Z),
	KEY(4, 7, KEY_SEMICOLON),
	KEY(5, 7, KEY_DOT),
};

static struct pxa27x_keypad_platform_data z2_keypad_platform_data = {
	.matrix_key_rows	= 7,
	.matrix_key_cols	= 8,
	.matrix_key_map		= z2_matrix_keys,
	.matrix_key_map_size	= ARRAY_SIZE(z2_matrix_keys),

	.debounce_interval	= 30,
};

static void __init z2_mkp_init(void)
{
	pxa_set_keypad_info(&z2_keypad_platform_data);
}
#else
static inline void z2_mkp_init(void) {}
#endif

/******************************************************************************
 * GPIO keys
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
static struct gpio_keys_button z2_pxa_buttons[] = {
	{
		.code		= KEY_POWER,
		.gpio		= GPIO1_ZIPITZ2_POWER_BUTTON,
		.active_low	= 0,
		.desc		= "Power Button",
		.wakeup		= 1,
		.type		= EV_KEY,
	},
	{
		.code		= SW_LID,
		.gpio		= GPIO98_ZIPITZ2_LID_BUTTON,
		.active_low	= 1,
		.desc		= "Lid Switch",
		.wakeup		= 0,
		.type		= EV_SW,
	},
};

static struct gpio_keys_platform_data z2_pxa_keys_data = {
	.buttons	= z2_pxa_buttons,
	.nbuttons	= ARRAY_SIZE(z2_pxa_buttons),
};

static struct platform_device z2_pxa_keys = {
	.name	= "gpio-keys",
	.id	= -1,
	.dev	= {
		.platform_data = &z2_pxa_keys_data,
	},
};

static void __init z2_keys_init(void)
{
	platform_device_register(&z2_pxa_keys);
}
#else
static inline void z2_keys_init(void) {}
#endif

/******************************************************************************
 * Battery
 ******************************************************************************/
#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
static struct z2_battery_info batt_chip_info = {
	.batt_I2C_bus	= 0,
	.batt_I2C_addr	= 0x55,
	.batt_I2C_reg	= 2,
	.charge_gpio	= GPIO0_ZIPITZ2_AC_DETECT,
	.min_voltage	= 3475000,
	.max_voltage	= 4190000,
	.batt_div	= 59,
	.batt_mult	= 1000000,
	.batt_tech	= POWER_SUPPLY_TECHNOLOGY_LION,
	.batt_name	= "Z2",
};

static struct i2c_board_info __initdata z2_i2c_board_info[] = {
	{
		I2C_BOARD_INFO("aer915", 0x55),
		.platform_data	= &batt_chip_info,
	}, {
		I2C_BOARD_INFO("wm8750", 0x1b),
	},

};

static void __init z2_i2c_init(void)
{
	pxa_set_i2c_info(NULL);
	i2c_register_board_info(0, ARRAY_AND_SIZE(z2_i2c_board_info));
}
#else
static inline void z2_i2c_init(void) {}
#endif

/******************************************************************************
 * SSP Devices - WiFi and LCD control
 ******************************************************************************/
#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
/* WiFi */
static int z2_lbs_spi_setup(struct spi_device *spi)
{
	int ret = 0;

	ret = gpio_request(GPIO14_ZIPITZ2_WIFI_POWER, "WiFi Power");
	if (ret)
		goto err;

	ret = gpio_direction_output(GPIO14_ZIPITZ2_WIFI_POWER, 1);
	if (ret)
		goto err2;

	/* Wait until card is powered on */
	mdelay(180);

	spi->bits_per_word = 16;
	spi->mode = SPI_MODE_2,

	spi_setup(spi);

	return 0;

err2:
	gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
err:
	return ret;
};

static int z2_lbs_spi_teardown(struct spi_device *spi)
{
	gpio_set_value(GPIO14_ZIPITZ2_WIFI_POWER, 0);
	gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);

	return 0;
};

static struct pxa2xx_spi_chip z2_lbs_chip_info = {
	.rx_threshold	= 8,
	.tx_threshold	= 8,
	.timeout	= 1000,
	.gpio_cs	= GPIO24_ZIPITZ2_WIFI_CS,
};

static struct libertas_spi_platform_data z2_lbs_pdata = {
	.use_dummy_writes	= 1,
	.setup			= z2_lbs_spi_setup,
	.teardown		= z2_lbs_spi_teardown,
};

/* LCD */
static struct pxa2xx_spi_chip lms283_chip_info = {
	.rx_threshold	= 1,
	.tx_threshold	= 1,
	.timeout	= 64,
	.gpio_cs	= GPIO88_ZIPITZ2_LCD_CS,
};

static const struct lms283gf05_pdata lms283_pdata = {
	.reset_gpio	= GPIO19_ZIPITZ2_LCD_RESET,
};

static struct spi_board_info spi_board_info[] __initdata = {
{
	.modalias		= "libertas_spi",
	.platform_data		= &z2_lbs_pdata,
	.controller_data	= &z2_lbs_chip_info,
	.irq			= gpio_to_irq(GPIO36_ZIPITZ2_WIFI_IRQ),
	.max_speed_hz		= 13000000,
	.bus_num		= 1,
	.chip_select		= 0,
},
{
	.modalias		= "lms283gf05",
	.controller_data	= &lms283_chip_info,
	.platform_data		= &lms283_pdata,
	.max_speed_hz		= 400000,
	.bus_num		= 2,
	.chip_select		= 0,
},
};

static struct pxa2xx_spi_master pxa_ssp1_master_info = {
	.clock_enable	= CKEN_SSP,
	.num_chipselect	= 1,
	.enable_dma	= 1,
};

static struct pxa2xx_spi_master pxa_ssp2_master_info = {
	.clock_enable	= CKEN_SSP2,
	.num_chipselect	= 1,
};

static void __init z2_spi_init(void)
{
	pxa2xx_set_spi_info(1, &pxa_ssp1_master_info);
	pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
	spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
}
#else
static inline void z2_spi_init(void) {}
#endif

/******************************************************************************
 * Core power regulator
 ******************************************************************************/
#if defined(CONFIG_REGULATOR_TPS65023) || \
	defined(CONFIG_REGULATOR_TPS65023_MODULE)
static struct regulator_consumer_supply z2_tps65021_consumers[] = {
	{
		.supply	= "vcc_core",
	}
};

static struct regulator_init_data z2_tps65021_info[] = {
	{
		.constraints = {
			.name		= "vcc_core range",
			.min_uV		= 800000,
			.max_uV		= 1600000,
			.always_on	= 1,
			.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
		},
		.consumer_supplies	= z2_tps65021_consumers,
		.num_consumer_supplies	= ARRAY_SIZE(z2_tps65021_consumers),
	}, {
		.constraints = {
			.name		= "DCDC2",
			.min_uV		= 3300000,
			.max_uV		= 3300000,
			.always_on	= 1,
		},
	}, {
		.constraints = {
			.name		= "DCDC3",
			.min_uV		= 1800000,
			.max_uV		= 1800000,
			.always_on	= 1,
		},
	}, {
		.constraints = {
			.name		= "LDO1",
			.min_uV		= 1000000,
			.max_uV		= 3150000,
			.always_on	= 1,
		},
	}, {
		.constraints = {
			.name		= "LDO2",
			.min_uV		= 1050000,
			.max_uV		= 3300000,
			.always_on	= 1,
		},
	}
};

static struct i2c_board_info __initdata z2_pi2c_board_info[] = {
	{
		I2C_BOARD_INFO("tps65021", 0x48),
		.platform_data	= &z2_tps65021_info,
	},
};

static void __init z2_pmic_init(void)
{
	pxa27x_set_i2c_power_info(NULL);
	i2c_register_board_info(1, ARRAY_AND_SIZE(z2_pi2c_board_info));
}
#else
static inline void z2_pmic_init(void) {}
#endif

#ifdef CONFIG_PM
static void z2_power_off(void)
{
	/* We're using deep sleep as poweroff, so clear PSPR to ensure that
	 * bootloader will jump to its entry point in resume handler
	 */
	PSPR = 0x0;
	local_irq_disable();
	pxa27x_cpu_suspend(PWRMODE_DEEPSLEEP, PLAT_PHYS_OFFSET - PAGE_OFFSET);
}
#else
#define z2_power_off   NULL
#endif

/******************************************************************************
 * Machine init
 ******************************************************************************/
static void __init z2_init(void)
{
	pxa2xx_mfp_config(ARRAY_AND_SIZE(z2_pin_config));

	pxa_set_ffuart_info(NULL);
	pxa_set_btuart_info(NULL);
	pxa_set_stuart_info(NULL);

	z2_lcd_init();
	z2_mmc_init();
	z2_mkp_init();
	z2_i2c_init();
	z2_spi_init();
	z2_nor_init();
	z2_pwm_init();
	z2_leds_init();
	z2_keys_init();
	z2_pmic_init();

	pm_power_off = z2_power_off;
}

MACHINE_START(ZIPIT2, "Zipit Z2")
	.boot_params	= 0xa0000100,
	.map_io		= pxa27x_map_io,
	.init_irq	= pxa27x_init_irq,
	.handle_irq	= pxa27x_handle_irq,
	.timer		= &pxa_timer,
	.init_machine	= z2_init,
MACHINE_END
OpenPOWER on IntegriCloud