summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-pxa/cm-x300.c
blob: 024c1fbcc55aee5816526b5574528e6c9532a3aa (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
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
/*
 * linux/arch/arm/mach-pxa/cm-x300.c
 *
 * Support for the CompuLab CM-X300 modules
 *
 * Copyright (C) 2008,2009 CompuLab Ltd.
 *
 * Mike Rapoport <mike@compulab.co.il>
 * Igor Grinberg <grinberg@compulab.co.il>
 *
 * 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.
 */
#define pr_fmt(fmt) "%s: " fmt, __func__

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/clk.h>

#include <linux/gpio.h>
#include <linux/gpio/machine.h>
#include <linux/dm9000.h>
#include <linux/leds.h>
#include <linux/platform_data/rtc-v3020.h>
#include <linux/pwm.h>
#include <linux/pwm_backlight.h>

#include <linux/i2c.h>
#include <linux/platform_data/pca953x.h>
#include <linux/platform_data/i2c-pxa.h>

#include <linux/mfd/da903x.h>
#include <linux/regulator/machine.h>
#include <linux/power_supply.h>
#include <linux/apm-emulation.h>

#include <linux/spi/spi.h>
#include <linux/spi/spi_gpio.h>
#include <linux/spi/tdo24m.h>

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

#include "pxa300.h"
#include "pxa27x-udc.h"
#include <linux/platform_data/video-pxafb.h>
#include <linux/platform_data/mmc-pxamci.h>
#include <linux/platform_data/usb-ohci-pxa27x.h>
#include <linux/platform_data/mtd-nand-pxa3xx.h>
#include <mach/audio.h>
#include <linux/platform_data/usb-pxa3xx-ulpi.h>

#include <asm/mach/map.h>

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

#define CM_X300_ETH_PHYS	0x08000010

#define GPIO82_MMC_IRQ		(82)
#define GPIO85_MMC_WP		(85)

#define	CM_X300_MMC_IRQ		PXA_GPIO_TO_IRQ(GPIO82_MMC_IRQ)

#define GPIO95_RTC_CS		(95)
#define GPIO96_RTC_WR		(96)
#define GPIO97_RTC_RD		(97)
#define GPIO98_RTC_IO		(98)

#define GPIO_ULPI_PHY_RST	(127)

static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = {
	/* LCD */
	GPIO54_LCD_LDD_0,
	GPIO55_LCD_LDD_1,
	GPIO56_LCD_LDD_2,
	GPIO57_LCD_LDD_3,
	GPIO58_LCD_LDD_4,
	GPIO59_LCD_LDD_5,
	GPIO60_LCD_LDD_6,
	GPIO61_LCD_LDD_7,
	GPIO62_LCD_LDD_8,
	GPIO63_LCD_LDD_9,
	GPIO64_LCD_LDD_10,
	GPIO65_LCD_LDD_11,
	GPIO66_LCD_LDD_12,
	GPIO67_LCD_LDD_13,
	GPIO68_LCD_LDD_14,
	GPIO69_LCD_LDD_15,
	GPIO72_LCD_FCLK,
	GPIO73_LCD_LCLK,
	GPIO74_LCD_PCLK,
	GPIO75_LCD_BIAS,

	/* BTUART */
	GPIO111_UART2_RTS,
	GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
	GPIO113_UART2_TXD,
	GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,

	/* STUART */
	GPIO109_UART3_TXD,
	GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,

	/* AC97 */
	GPIO23_AC97_nACRESET,
	GPIO24_AC97_SYSCLK,
	GPIO29_AC97_BITCLK,
	GPIO25_AC97_SDATA_IN_0,
	GPIO27_AC97_SDATA_OUT,
	GPIO28_AC97_SYNC,

	/* Keypad */
	GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
	GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
	GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
	GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
	GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
	GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
	GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
	GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
	GPIO121_KP_MKOUT_0,
	GPIO122_KP_MKOUT_1,
	GPIO123_KP_MKOUT_2,
	GPIO124_KP_MKOUT_3,
	GPIO125_KP_MKOUT_4,
	GPIO4_2_KP_MKOUT_5,

	/* MMC1 */
	GPIO3_MMC1_DAT0,
	GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
	GPIO5_MMC1_DAT2,
	GPIO6_MMC1_DAT3,
	GPIO7_MMC1_CLK,
	GPIO8_MMC1_CMD,	/* CMD0 for slot 0 */

	/* MMC2 */
	GPIO9_MMC2_DAT0,
	GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
	GPIO11_MMC2_DAT2,
	GPIO12_MMC2_DAT3,
	GPIO13_MMC2_CLK,
	GPIO14_MMC2_CMD,

	/* FFUART */
	GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
	GPIO31_UART1_TXD,
	GPIO32_UART1_CTS,
	GPIO37_UART1_RTS,
	GPIO33_UART1_DCD,
	GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
	GPIO35_UART1_RI,
	GPIO36_UART1_DTR,

	/* GPIOs */
	GPIO82_GPIO | MFP_PULL_HIGH,	/* MMC CD */
	GPIO85_GPIO,			/* MMC WP */
	GPIO99_GPIO,			/* Ethernet IRQ */

	/* RTC GPIOs */
	GPIO95_GPIO | MFP_LPM_DRIVE_HIGH,	/* RTC CS */
	GPIO96_GPIO | MFP_LPM_DRIVE_HIGH,	/* RTC WR */
	GPIO97_GPIO | MFP_LPM_DRIVE_HIGH,	/* RTC RD */
	GPIO98_GPIO,				/* RTC IO */

	/* Standard I2C */
	GPIO21_I2C_SCL,
	GPIO22_I2C_SDA,

	/* PWM Backlight */
	GPIO19_PWM2_OUT,
};

static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = {
	/* GPIOs */
	GPIO79_GPIO,			/* LED */
	GPIO77_GPIO,			/* WiFi reset */
	GPIO78_GPIO,			/* BT reset */
};

static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = {
	/* GPIOs */
	GPIO76_GPIO,			/* LED */
	GPIO71_GPIO,			/* WiFi reset */
	GPIO70_GPIO,			/* BT reset */
};

static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = {
	/* USB PORT 2 */
	ULPI_STP,
	ULPI_NXT,
	ULPI_DIR,
	GPIO30_ULPI_DATA_OUT_0,
	GPIO31_ULPI_DATA_OUT_1,
	GPIO32_ULPI_DATA_OUT_2,
	GPIO33_ULPI_DATA_OUT_3,
	GPIO34_ULPI_DATA_OUT_4,
	GPIO35_ULPI_DATA_OUT_5,
	GPIO36_ULPI_DATA_OUT_6,
	GPIO37_ULPI_DATA_OUT_7,
	GPIO38_ULPI_CLK,
	/* external PHY reset pin */
	GPIO127_GPIO,

	/* USB PORT 3 */
	GPIO77_USB_P3_1,
	GPIO78_USB_P3_2,
	GPIO79_USB_P3_3,
	GPIO80_USB_P3_4,
	GPIO81_USB_P3_5,
	GPIO82_USB_P3_6,
	GPIO0_2_USBH_PEN,
};

#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
static struct resource dm9000_resources[] = {
	[0] = {
		.start	= CM_X300_ETH_PHYS,
		.end	= CM_X300_ETH_PHYS + 0x3,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= CM_X300_ETH_PHYS + 0x4,
		.end	= CM_X300_ETH_PHYS + 0x4 + 500,
		.flags	= IORESOURCE_MEM,
	},
	[2] = {
		.start	= PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)),
		.end	= PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)),
		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
	}
};

static struct dm9000_plat_data cm_x300_dm9000_platdata = {
	.flags		= DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
};

static struct platform_device dm9000_device = {
	.name		= "dm9000",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(dm9000_resources),
	.resource	= dm9000_resources,
	.dev		= {
		.platform_data = &cm_x300_dm9000_platdata,
	}

};

static void __init cm_x300_init_dm9000(void)
{
	platform_device_register(&dm9000_device);
}
#else
static inline void cm_x300_init_dm9000(void) {}
#endif

/* LCD */
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static struct pxafb_mode_info cm_x300_lcd_modes[] = {
	[0] = {
		.pixclock	= 38250,
		.bpp		= 16,
		.xres		= 480,
		.yres		= 640,
		.hsync_len	= 8,
		.vsync_len	= 2,
		.left_margin	= 8,
		.upper_margin	= 2,
		.right_margin	= 24,
		.lower_margin	= 4,
		.cmap_greyscale	= 0,
	},
	[1] = {
		.pixclock	= 153800,
		.bpp		= 16,
		.xres		= 240,
		.yres		= 320,
		.hsync_len	= 8,
		.vsync_len	= 2,
		.left_margin	= 8,
		.upper_margin	= 2,
		.right_margin	= 88,
		.lower_margin	= 2,
		.cmap_greyscale	= 0,
	},
};

static struct pxafb_mach_info cm_x300_lcd = {
	.modes			= cm_x300_lcd_modes,
	.num_modes		= ARRAY_SIZE(cm_x300_lcd_modes),
	.lcd_conn		= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
};

static void __init cm_x300_init_lcd(void)
{
	pxa_set_fb_info(NULL, &cm_x300_lcd);
}
#else
static inline void cm_x300_init_lcd(void) {}
#endif

#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
static struct pwm_lookup cm_x300_pwm_lookup[] = {
	PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.0", NULL, 10000,
		   PWM_POLARITY_NORMAL),
};

static struct platform_pwm_backlight_data cm_x300_backlight_data = {
	.max_brightness	= 100,
	.dft_brightness	= 100,
	.enable_gpio	= -1,
};

static struct platform_device cm_x300_backlight_device = {
	.name		= "pwm-backlight",
	.dev		= {
		.parent = &pxa27x_device_pwm0.dev,
		.platform_data	= &cm_x300_backlight_data,
	},
};

static void cm_x300_init_bl(void)
{
	pwm_add_table(cm_x300_pwm_lookup, ARRAY_SIZE(cm_x300_pwm_lookup));
	platform_device_register(&cm_x300_backlight_device);
}
#else
static inline void cm_x300_init_bl(void) {}
#endif

#if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
#define GPIO_LCD_BASE	(144)
#define GPIO_LCD_DIN	(GPIO_LCD_BASE + 8)	/* aux_gpio3_0 */
#define GPIO_LCD_DOUT	(GPIO_LCD_BASE + 9)	/* aux_gpio3_1 */
#define GPIO_LCD_SCL	(GPIO_LCD_BASE + 10)	/* aux_gpio3_2 */
#define GPIO_LCD_CS	(GPIO_LCD_BASE + 11)	/* aux_gpio3_3 */
#define LCD_SPI_BUS_NUM	(1)

static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
	.num_chipselect	= 1,
};

static struct platform_device cm_x300_spi_gpio = {
	.name		= "spi_gpio",
	.id		= LCD_SPI_BUS_NUM,
	.dev		= {
		.platform_data	= &cm_x300_spi_gpio_pdata,
	},
};

static struct gpiod_lookup_table cm_x300_spi_gpiod_table = {
	.dev_id         = "spi_gpio",
	.table          = {
		GPIO_LOOKUP("gpio-pxa", GPIO_LCD_SCL,
			    "sck", GPIO_ACTIVE_HIGH),
		GPIO_LOOKUP("gpio-pxa", GPIO_LCD_DIN,
			    "mosi", GPIO_ACTIVE_HIGH),
		GPIO_LOOKUP("gpio-pxa", GPIO_LCD_DOUT,
			    "miso", GPIO_ACTIVE_HIGH),
		GPIO_LOOKUP("gpio-pxa", GPIO_LCD_CS,
			    "cs", GPIO_ACTIVE_HIGH),
		{ },
	},
};

static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
	.model = TDO35S,
};

static struct spi_board_info cm_x300_spi_devices[] __initdata = {
	{
		.modalias		= "tdo24m",
		.max_speed_hz		= 1000000,
		.bus_num		= LCD_SPI_BUS_NUM,
		.chip_select		= 0,
		.platform_data		= &cm_x300_tdo24m_pdata,
	},
};

static void __init cm_x300_init_spi(void)
{
	spi_register_board_info(cm_x300_spi_devices,
				ARRAY_SIZE(cm_x300_spi_devices));
	gpiod_add_lookup_table(&cm_x300_spi_gpiod_table);
	platform_device_register(&cm_x300_spi_gpio);
}
#else
static inline void cm_x300_init_spi(void) {}
#endif

#if defined(CONFIG_SND_PXA2XX_LIB_AC97)
static void __init cm_x300_init_ac97(void)
{
	pxa_set_ac97_info(NULL);
}
#else
static inline void cm_x300_init_ac97(void) {}
#endif

#if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
static struct mtd_partition cm_x300_nand_partitions[] = {
	[0] = {
		.name        = "OBM",
		.offset      = 0,
		.size        = SZ_256K,
		.mask_flags  = MTD_WRITEABLE, /* force read-only */
	},
	[1] = {
		.name        = "U-Boot",
		.offset      = MTDPART_OFS_APPEND,
		.size        = SZ_256K,
		.mask_flags  = MTD_WRITEABLE, /* force read-only */
	},
	[2] = {
		.name        = "Environment",
		.offset      = MTDPART_OFS_APPEND,
		.size        = SZ_256K,
	},
	[3] = {
		.name        = "reserved",
		.offset      = MTDPART_OFS_APPEND,
		.size        = SZ_256K + SZ_1M,
		.mask_flags  = MTD_WRITEABLE, /* force read-only */
	},
	[4] = {
		.name        = "kernel",
		.offset      = MTDPART_OFS_APPEND,
		.size        = SZ_4M,
	},
	[5] = {
		.name        = "fs",
		.offset      = MTDPART_OFS_APPEND,
		.size        = MTDPART_SIZ_FULL,
	},
};

static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
	.keep_config	= 1,
	.parts		= cm_x300_nand_partitions,
	.nr_parts	= ARRAY_SIZE(cm_x300_nand_partitions),
};

static void __init cm_x300_init_nand(void)
{
	pxa3xx_set_nand_info(&cm_x300_nand_info);
}
#else
static inline void cm_x300_init_nand(void) {}
#endif

#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
static struct pxamci_platform_data cm_x300_mci_platform_data = {
	.detect_delay_ms	= 200,
	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
	.gpio_card_detect	= GPIO82_MMC_IRQ,
	.gpio_card_ro		= GPIO85_MMC_WP,
	.gpio_power		= -1,
};

/* The second MMC slot of CM-X300 is hardwired to Libertas card and has
   no detection/ro pins */
static int cm_x300_mci2_init(struct device *dev,
			     irq_handler_t cm_x300_detect_int,
	void *data)
{
	return 0;
}

static void cm_x300_mci2_exit(struct device *dev, void *data)
{
}

static struct pxamci_platform_data cm_x300_mci2_platform_data = {
	.detect_delay_ms	= 200,
	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
	.init 			= cm_x300_mci2_init,
	.exit			= cm_x300_mci2_exit,
	.gpio_card_detect	= -1,
	.gpio_card_ro		= -1,
	.gpio_power		= -1,
};

static void __init cm_x300_init_mmc(void)
{
	pxa_set_mci_info(&cm_x300_mci_platform_data);
	pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
}
#else
static inline void cm_x300_init_mmc(void) {}
#endif

#if defined(CONFIG_PXA310_ULPI)
static struct clk *pout_clk;

static int cm_x300_ulpi_phy_reset(void)
{
	int err;

	/* reset the PHY */
	err = gpio_request_one(GPIO_ULPI_PHY_RST, GPIOF_OUT_INIT_LOW,
			       "ulpi reset");
	if (err) {
		pr_err("failed to request ULPI reset GPIO: %d\n", err);
		return err;
	}

	msleep(10);
	gpio_set_value(GPIO_ULPI_PHY_RST, 1);
	msleep(10);

	gpio_free(GPIO_ULPI_PHY_RST);

	return 0;
}

static int cm_x300_u2d_init(struct device *dev)
{
	int err = 0;

	if (cpu_is_pxa310()) {
		/* CLK_POUT is connected to the ULPI PHY */
		pout_clk = clk_get(NULL, "CLK_POUT");
		if (IS_ERR(pout_clk)) {
			err = PTR_ERR(pout_clk);
			pr_err("failed to get CLK_POUT: %d\n", err);
			return err;
		}
		clk_prepare_enable(pout_clk);

		err = cm_x300_ulpi_phy_reset();
		if (err) {
			clk_disable(pout_clk);
			clk_put(pout_clk);
		}
	}

	return err;
}

static void cm_x300_u2d_exit(struct device *dev)
{
	if (cpu_is_pxa310()) {
		clk_disable_unprepare(pout_clk);
		clk_put(pout_clk);
	}
}

static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = {
	.ulpi_mode	= ULPI_SER_6PIN,
	.init		= cm_x300_u2d_init,
	.exit		= cm_x300_u2d_exit,
};

static void __init cm_x300_init_u2d(void)
{
	pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
}
#else
static inline void cm_x300_init_u2d(void) {}
#endif

#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static int cm_x300_ohci_init(struct device *dev)
{
	if (cpu_is_pxa300())
		UP2OCR = UP2OCR_HXS
			| UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;

	return 0;
}

static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
	.port_mode	= PMM_PERPORT_MODE,
	.flags		= ENABLE_PORT_ALL | POWER_CONTROL_LOW,
	.init		= cm_x300_ohci_init,
};

static void __init cm_x300_init_ohci(void)
{
	pxa_set_ohci_info(&cm_x300_ohci_platform_data);
}
#else
static inline void cm_x300_init_ohci(void) {}
#endif

#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
static struct gpio_led cm_x300_leds[] = {
	[0] = {
		.name = "cm-x300:green",
		.default_trigger = "heartbeat",
		.active_low = 1,
	},
};

static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
	.num_leds = ARRAY_SIZE(cm_x300_leds),
	.leds = cm_x300_leds,
};

static struct platform_device cm_x300_led_device = {
	.name		= "leds-gpio",
	.id		= -1,
	.dev		= {
		.platform_data = &cm_x300_gpio_led_pdata,
	},
};

static void __init cm_x300_init_leds(void)
{
	if (system_rev < 130)
		cm_x300_leds[0].gpio = 79;
	else
		cm_x300_leds[0].gpio = 76;

	platform_device_register(&cm_x300_led_device);
}
#else
static inline void cm_x300_init_leds(void) {}
#endif

#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
/* PCA9555 */
static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
	.gpio_base = 128,
};

static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
	.gpio_base = 144,
};

static struct i2c_board_info cm_x300_gpio_ext_info[] = {
	[0] = {
		I2C_BOARD_INFO("pca9555", 0x24),
		.platform_data = &cm_x300_gpio_ext_pdata_0,
	},
	[1] = {
		I2C_BOARD_INFO("pca9555", 0x25),
		.platform_data = &cm_x300_gpio_ext_pdata_1,
	},
};

static void __init cm_x300_init_i2c(void)
{
	pxa_set_i2c_info(NULL);
	i2c_register_board_info(0, cm_x300_gpio_ext_info,
				ARRAY_SIZE(cm_x300_gpio_ext_info));
}
#else
static inline void cm_x300_init_i2c(void) {}
#endif

#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
struct v3020_platform_data cm_x300_v3020_pdata = {
	.use_gpio	= 1,
	.gpio_cs	= GPIO95_RTC_CS,
	.gpio_wr	= GPIO96_RTC_WR,
	.gpio_rd	= GPIO97_RTC_RD,
	.gpio_io	= GPIO98_RTC_IO,
};

static struct platform_device cm_x300_rtc_device = {
	.name		= "v3020",
	.id		= -1,
	.dev		= {
		.platform_data = &cm_x300_v3020_pdata,
	}
};

static void __init cm_x300_init_rtc(void)
{
	platform_device_register(&cm_x300_rtc_device);
}
#else
static inline void cm_x300_init_rtc(void) {}
#endif

/* Battery */
struct power_supply_info cm_x300_psy_info = {
	.name = "battery",
	.technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
	.voltage_max_design = 4200000,
	.voltage_min_design = 3000000,
	.use_for_apm = 1,
};

static void cm_x300_battery_low(void)
{
#if defined(CONFIG_APM_EMULATION)
	apm_queue_event(APM_LOW_BATTERY);
#endif
}

static void cm_x300_battery_critical(void)
{
#if defined(CONFIG_APM_EMULATION)
	apm_queue_event(APM_CRITICAL_SUSPEND);
#endif
}

struct da9030_battery_info cm_x300_battery_info = {
	.battery_info = &cm_x300_psy_info,

	.charge_milliamp = 1000,
	.charge_millivolt = 4200,

	.vbat_low = 3600,
	.vbat_crit = 3400,
	.vbat_charge_start = 4100,
	.vbat_charge_stop = 4200,
	.vbat_charge_restart = 4000,

	.vcharge_min = 3200,
	.vcharge_max = 5500,

	.tbat_low = 197,
	.tbat_high = 78,
	.tbat_restart = 100,

	.batmon_interval = 0,

	.battery_low = cm_x300_battery_low,
	.battery_critical = cm_x300_battery_critical,
};

static struct regulator_consumer_supply buck2_consumers[] = {
	REGULATOR_SUPPLY("vcc_core", NULL),
};

static struct regulator_init_data buck2_data = {
	.constraints = {
		.min_uV = 1375000,
		.max_uV = 1375000,
		.state_mem = {
			.enabled = 0,
		},
		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
		.apply_uV = 1,
	},
	.num_consumer_supplies = ARRAY_SIZE(buck2_consumers),
	.consumer_supplies = buck2_consumers,
};

/* DA9030 */
struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
	{
		.name = "da903x-battery",
		.id = DA9030_ID_BAT,
		.platform_data = &cm_x300_battery_info,
	},
	{
		.name = "da903x-regulator",
		.id = DA9030_ID_BUCK2,
		.platform_data = &buck2_data,
	},
};

static struct da903x_platform_data cm_x300_da9030_info = {
	.num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
	.subdevs = cm_x300_da9030_subdevs,
};

static struct i2c_board_info cm_x300_pmic_info = {
	I2C_BOARD_INFO("da9030", 0x49),
	.irq = IRQ_WAKEUP0,
	.platform_data = &cm_x300_da9030_info,
};

static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
	.use_pio = 1,
};

static void __init cm_x300_init_da9030(void)
{
	pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
	i2c_register_board_info(1, &cm_x300_pmic_info, 1);
	irq_set_irq_wake(IRQ_WAKEUP0, 1);
}

/* wi2wi gpio setting for system_rev >= 130 */
static struct gpio cm_x300_wi2wi_gpios[] __initdata = {
	{ 71, GPIOF_OUT_INIT_HIGH, "wlan en" },
	{ 70, GPIOF_OUT_INIT_HIGH, "bt reset" },
};

static void __init cm_x300_init_wi2wi(void)
{
	int err;

	if (system_rev < 130) {
		cm_x300_wi2wi_gpios[0].gpio = 77;	/* wlan en */
		cm_x300_wi2wi_gpios[1].gpio = 78;	/* bt reset */
	}

	/* Libertas and CSR reset */
	err = gpio_request_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
	if (err) {
		pr_err("failed to request wifi/bt gpios: %d\n", err);
		return;
	}

	udelay(10);
	gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 0);
	udelay(10);
	gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 1);

	gpio_free_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
}

/* MFP */
static void __init cm_x300_init_mfp(void)
{
	/* board-processor specific GPIO initialization */
	pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));

	if (system_rev < 130)
		pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
	else
		pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));

	if (cpu_is_pxa310())
		pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
}

static void __init cm_x300_init(void)
{
	cm_x300_init_mfp();

	pxa_set_btuart_info(NULL);
	pxa_set_stuart_info(NULL);
	if (cpu_is_pxa300())
		pxa_set_ffuart_info(NULL);

	cm_x300_init_da9030();
	cm_x300_init_dm9000();
	cm_x300_init_lcd();
	cm_x300_init_u2d();
	cm_x300_init_ohci();
	cm_x300_init_mmc();
	cm_x300_init_nand();
	cm_x300_init_leds();
	cm_x300_init_i2c();
	cm_x300_init_spi();
	cm_x300_init_rtc();
	cm_x300_init_ac97();
	cm_x300_init_wi2wi();
	cm_x300_init_bl();

	regulator_has_full_constraints();
}

static void __init cm_x300_fixup(struct tag *tags, char **cmdline)
{
	/* Make sure that mi->bank[0].start = PHYS_ADDR */
	for (; tags->hdr.size; tags = tag_next(tags))
		if (tags->hdr.tag == ATAG_MEM &&
			tags->u.mem.start == 0x80000000) {
			tags->u.mem.start = 0xa0000000;
			break;
		}
}

MACHINE_START(CM_X300, "CM-X300 module")
	.atag_offset	= 0x100,
	.map_io		= pxa3xx_map_io,
	.nr_irqs	= PXA_NR_IRQS,
	.init_irq	= pxa3xx_init_irq,
	.handle_irq	= pxa3xx_handle_irq,
	.init_time	= pxa_timer_init,
	.init_machine	= cm_x300_init,
	.fixup		= cm_x300_fixup,
	.restart	= pxa_restart,
MACHINE_END