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1 /*
2  * Support for CompuLab EM-X270 platform
3  *
4  * Copyright (C) 2007, 2008 CompuLab, Ltd.
5  * Author: Mike Rapoport <mike@compulab.co.il>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11 
12 #include <linux/irq.h>
13 #include <linux/platform_device.h>
14 #include <linux/delay.h>
15 
16 #include <linux/dm9000.h>
17 #include <linux/platform_data/rtc-v3020.h>
18 #include <linux/mtd/rawnand.h>
19 #include <linux/mtd/partitions.h>
20 #include <linux/mtd/physmap.h>
21 #include <linux/input.h>
22 #include <linux/gpio_keys.h>
23 #include <linux/gpio.h>
24 #include <linux/mfd/da903x.h>
25 #include <linux/regulator/machine.h>
26 #include <linux/regulator/fixed.h>
27 #include <linux/spi/spi.h>
28 #include <linux/spi/tdo24m.h>
29 #include <linux/spi/libertas_spi.h>
30 #include <linux/spi/pxa2xx_spi.h>
31 #include <linux/power_supply.h>
32 #include <linux/apm-emulation.h>
33 #include <linux/i2c.h>
34 #include <linux/platform_data/pca953x.h>
35 #include <linux/i2c/pxa-i2c.h>
36 #include <linux/regulator/userspace-consumer.h>
37 
38 #include <asm/mach-types.h>
39 #include <asm/mach/arch.h>
40 
41 #include "pxa27x.h"
42 #include "pxa27x-udc.h"
43 #include <mach/audio.h>
44 #include <linux/platform_data/video-pxafb.h>
45 #include <linux/platform_data/usb-ohci-pxa27x.h>
46 #include <linux/platform_data/mmc-pxamci.h>
47 #include <linux/platform_data/keypad-pxa27x.h>
48 #include <linux/platform_data/media/camera-pxa.h>
49 
50 #include "generic.h"
51 #include "devices.h"
52 
53 /* EM-X270 specific GPIOs */
54 #define GPIO13_MMC_CD		(13)
55 #define GPIO95_MMC_WP		(95)
56 #define GPIO56_NAND_RB		(56)
57 #define GPIO93_CAM_RESET	(93)
58 #define GPIO16_USB_HUB_RESET	(16)
59 
60 /* eXeda specific GPIOs */
61 #define GPIO114_MMC_CD		(114)
62 #define GPIO20_NAND_RB		(20)
63 #define GPIO38_SD_PWEN		(38)
64 #define GPIO37_WLAN_RST		(37)
65 #define GPIO95_TOUCHPAD_INT	(95)
66 #define GPIO130_CAM_RESET	(130)
67 #define GPIO10_USB_HUB_RESET	(10)
68 
69 /* common  GPIOs */
70 #define GPIO11_NAND_CS		(11)
71 #define GPIO41_ETHIRQ		(41)
72 #define EM_X270_ETHIRQ		PXA_GPIO_TO_IRQ(GPIO41_ETHIRQ)
73 #define GPIO115_WLAN_PWEN	(115)
74 #define GPIO19_WLAN_STRAP	(19)
75 #define GPIO9_USB_VBUS_EN	(9)
76 
77 static int mmc_cd;
78 static int nand_rb;
79 static int dm9000_flags;
80 static int cam_reset;
81 static int usb_hub_reset;
82 
83 static unsigned long common_pin_config[] = {
84 	/* AC'97 */
85 	GPIO28_AC97_BITCLK,
86 	GPIO29_AC97_SDATA_IN_0,
87 	GPIO30_AC97_SDATA_OUT,
88 	GPIO31_AC97_SYNC,
89 	GPIO98_AC97_SYSCLK,
90 	GPIO113_AC97_nRESET,
91 
92 	/* BTUART */
93 	GPIO42_BTUART_RXD,
94 	GPIO43_BTUART_TXD,
95 	GPIO44_BTUART_CTS,
96 	GPIO45_BTUART_RTS,
97 
98 	/* STUART */
99 	GPIO46_STUART_RXD,
100 	GPIO47_STUART_TXD,
101 
102 	/* MCI controller */
103 	GPIO32_MMC_CLK,
104 	GPIO112_MMC_CMD,
105 	GPIO92_MMC_DAT_0,
106 	GPIO109_MMC_DAT_1,
107 	GPIO110_MMC_DAT_2,
108 	GPIO111_MMC_DAT_3,
109 
110 	/* LCD */
111 	GPIOxx_LCD_TFT_16BPP,
112 
113 	/* QCI */
114 	GPIO84_CIF_FV,
115 	GPIO25_CIF_LV,
116 	GPIO53_CIF_MCLK,
117 	GPIO54_CIF_PCLK,
118 	GPIO81_CIF_DD_0,
119 	GPIO55_CIF_DD_1,
120 	GPIO51_CIF_DD_2,
121 	GPIO50_CIF_DD_3,
122 	GPIO52_CIF_DD_4,
123 	GPIO48_CIF_DD_5,
124 	GPIO17_CIF_DD_6,
125 	GPIO12_CIF_DD_7,
126 
127 	/* I2C */
128 	GPIO117_I2C_SCL,
129 	GPIO118_I2C_SDA,
130 
131 	/* Keypad */
132 	GPIO100_KP_MKIN_0	| WAKEUP_ON_LEVEL_HIGH,
133 	GPIO101_KP_MKIN_1	| WAKEUP_ON_LEVEL_HIGH,
134 	GPIO102_KP_MKIN_2	| WAKEUP_ON_LEVEL_HIGH,
135 	GPIO34_KP_MKIN_3	| WAKEUP_ON_LEVEL_HIGH,
136 	GPIO39_KP_MKIN_4	| WAKEUP_ON_LEVEL_HIGH,
137 	GPIO99_KP_MKIN_5	| WAKEUP_ON_LEVEL_HIGH,
138 	GPIO91_KP_MKIN_6	| WAKEUP_ON_LEVEL_HIGH,
139 	GPIO36_KP_MKIN_7	| WAKEUP_ON_LEVEL_HIGH,
140 	GPIO103_KP_MKOUT_0,
141 	GPIO104_KP_MKOUT_1,
142 	GPIO105_KP_MKOUT_2,
143 	GPIO106_KP_MKOUT_3,
144 	GPIO107_KP_MKOUT_4,
145 	GPIO108_KP_MKOUT_5,
146 	GPIO96_KP_MKOUT_6,
147 	GPIO22_KP_MKOUT_7,
148 
149 	/* SSP1 */
150 	GPIO26_SSP1_RXD,
151 	GPIO23_SSP1_SCLK,
152 	GPIO24_SSP1_SFRM,
153 	GPIO57_SSP1_TXD,
154 
155 	/* SSP2 */
156 	GPIO19_GPIO,	/* SSP2 clock is used as GPIO for Libertas pin-strap */
157 	GPIO14_GPIO,
158 	GPIO89_SSP2_TXD,
159 	GPIO88_SSP2_RXD,
160 
161 	/* SDRAM and local bus */
162 	GPIO15_nCS_1,
163 	GPIO78_nCS_2,
164 	GPIO79_nCS_3,
165 	GPIO80_nCS_4,
166 	GPIO49_nPWE,
167 	GPIO18_RDY,
168 
169 	/* GPIO */
170 	GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,	/* sleep/resume button */
171 
172 	/* power controls */
173 	GPIO20_GPIO	| MFP_LPM_DRIVE_LOW,	/* GPRS_PWEN */
174 	GPIO115_GPIO	| MFP_LPM_DRIVE_LOW,	/* WLAN_PWEN */
175 
176 	/* NAND controls */
177 	GPIO11_GPIO	| MFP_LPM_DRIVE_HIGH,	/* NAND CE# */
178 
179 	/* interrupts */
180 	GPIO41_GPIO,	/* DM9000 interrupt */
181 };
182 
183 static unsigned long em_x270_pin_config[] = {
184 	GPIO13_GPIO,				/* MMC card detect */
185 	GPIO16_GPIO,				/* USB hub reset */
186 	GPIO56_GPIO,				/* NAND Ready/Busy */
187 	GPIO93_GPIO	| MFP_LPM_DRIVE_LOW,	/* Camera reset */
188 	GPIO95_GPIO,				/* MMC Write protect */
189 };
190 
191 static unsigned long exeda_pin_config[] = {
192 	GPIO10_GPIO,				/* USB hub reset */
193 	GPIO20_GPIO,				/* NAND Ready/Busy */
194 	GPIO38_GPIO	| MFP_LPM_DRIVE_LOW,	/* SD slot power */
195 	GPIO95_GPIO,				/* touchpad IRQ */
196 	GPIO114_GPIO,				/* MMC card detect */
197 };
198 
199 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
200 static struct resource em_x270_dm9000_resource[] = {
201 	[0] = {
202 		.start = PXA_CS2_PHYS,
203 		.end   = PXA_CS2_PHYS + 3,
204 		.flags = IORESOURCE_MEM,
205 	},
206 	[1] = {
207 		.start = PXA_CS2_PHYS + 8,
208 		.end   = PXA_CS2_PHYS + 8 + 0x3f,
209 		.flags = IORESOURCE_MEM,
210 	},
211 	[2] = {
212 		.start = EM_X270_ETHIRQ,
213 		.end   = EM_X270_ETHIRQ,
214 		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
215 	}
216 };
217 
218 static struct dm9000_plat_data em_x270_dm9000_platdata = {
219 	.flags		= DM9000_PLATF_NO_EEPROM,
220 };
221 
222 static struct platform_device em_x270_dm9000 = {
223 	.name		= "dm9000",
224 	.id		= 0,
225 	.num_resources	= ARRAY_SIZE(em_x270_dm9000_resource),
226 	.resource	= em_x270_dm9000_resource,
227 	.dev		= {
228 		.platform_data = &em_x270_dm9000_platdata,
229 	}
230 };
231 
em_x270_init_dm9000(void)232 static void __init em_x270_init_dm9000(void)
233 {
234 	em_x270_dm9000_platdata.flags |= dm9000_flags;
235 	platform_device_register(&em_x270_dm9000);
236 }
237 #else
em_x270_init_dm9000(void)238 static inline void em_x270_init_dm9000(void) {}
239 #endif
240 
241 /* V3020 RTC */
242 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
243 static struct resource em_x270_v3020_resource[] = {
244 	[0] = {
245 		.start = PXA_CS4_PHYS,
246 		.end   = PXA_CS4_PHYS + 3,
247 		.flags = IORESOURCE_MEM,
248 	},
249 };
250 
251 static struct v3020_platform_data em_x270_v3020_platdata = {
252 	.leftshift = 0,
253 };
254 
255 static struct platform_device em_x270_rtc = {
256 	.name		= "v3020",
257 	.num_resources	= ARRAY_SIZE(em_x270_v3020_resource),
258 	.resource	= em_x270_v3020_resource,
259 	.id		= -1,
260 	.dev		= {
261 		.platform_data = &em_x270_v3020_platdata,
262 	}
263 };
264 
em_x270_init_rtc(void)265 static void __init em_x270_init_rtc(void)
266 {
267 	platform_device_register(&em_x270_rtc);
268 }
269 #else
em_x270_init_rtc(void)270 static inline void em_x270_init_rtc(void) {}
271 #endif
272 
273 /* NAND flash */
274 #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
nand_cs_on(void)275 static inline void nand_cs_on(void)
276 {
277 	gpio_set_value(GPIO11_NAND_CS, 0);
278 }
279 
nand_cs_off(void)280 static void nand_cs_off(void)
281 {
282 	dsb();
283 
284 	gpio_set_value(GPIO11_NAND_CS, 1);
285 }
286 
287 /* hardware specific access to control-lines */
em_x270_nand_cmd_ctl(struct mtd_info * mtd,int dat,unsigned int ctrl)288 static void em_x270_nand_cmd_ctl(struct mtd_info *mtd, int dat,
289 				 unsigned int ctrl)
290 {
291 	struct nand_chip *this = mtd_to_nand(mtd);
292 	unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
293 
294 	dsb();
295 
296 	if (ctrl & NAND_CTRL_CHANGE) {
297 		if (ctrl & NAND_ALE)
298 			nandaddr |=  (1 << 3);
299 		else
300 			nandaddr &= ~(1 << 3);
301 		if (ctrl & NAND_CLE)
302 			nandaddr |=  (1 << 2);
303 		else
304 			nandaddr &= ~(1 << 2);
305 		if (ctrl & NAND_NCE)
306 			nand_cs_on();
307 		else
308 			nand_cs_off();
309 	}
310 
311 	dsb();
312 	this->IO_ADDR_W = (void __iomem *)nandaddr;
313 	if (dat != NAND_CMD_NONE)
314 		writel(dat, this->IO_ADDR_W);
315 
316 	dsb();
317 }
318 
319 /* read device ready pin */
em_x270_nand_device_ready(struct mtd_info * mtd)320 static int em_x270_nand_device_ready(struct mtd_info *mtd)
321 {
322 	dsb();
323 
324 	return gpio_get_value(nand_rb);
325 }
326 
327 static struct mtd_partition em_x270_partition_info[] = {
328 	[0] = {
329 		.name	= "em_x270-0",
330 		.offset	= 0,
331 		.size	= SZ_4M,
332 	},
333 	[1] = {
334 		.name	= "em_x270-1",
335 		.offset	= MTDPART_OFS_APPEND,
336 		.size	= MTDPART_SIZ_FULL
337 	},
338 };
339 
340 struct platform_nand_data em_x270_nand_platdata = {
341 	.chip = {
342 		.nr_chips = 1,
343 		.chip_offset = 0,
344 		.nr_partitions = ARRAY_SIZE(em_x270_partition_info),
345 		.partitions = em_x270_partition_info,
346 		.chip_delay = 20,
347 	},
348 	.ctrl = {
349 		.hwcontrol = 0,
350 		.dev_ready = em_x270_nand_device_ready,
351 		.select_chip = 0,
352 		.cmd_ctrl = em_x270_nand_cmd_ctl,
353 	},
354 };
355 
356 static struct resource em_x270_nand_resource[] = {
357 	[0] = {
358 		.start = PXA_CS1_PHYS,
359 		.end   = PXA_CS1_PHYS + 12,
360 		.flags = IORESOURCE_MEM,
361 	},
362 };
363 
364 static struct platform_device em_x270_nand = {
365 	.name		= "gen_nand",
366 	.num_resources	= ARRAY_SIZE(em_x270_nand_resource),
367 	.resource	= em_x270_nand_resource,
368 	.id		= -1,
369 	.dev		= {
370 		.platform_data = &em_x270_nand_platdata,
371 	}
372 };
373 
em_x270_init_nand(void)374 static void __init em_x270_init_nand(void)
375 {
376 	int err;
377 
378 	err = gpio_request(GPIO11_NAND_CS, "NAND CS");
379 	if (err) {
380 		pr_warn("EM-X270: failed to request NAND CS gpio\n");
381 		return;
382 	}
383 
384 	gpio_direction_output(GPIO11_NAND_CS, 1);
385 
386 	err = gpio_request(nand_rb, "NAND R/B");
387 	if (err) {
388 		pr_warn("EM-X270: failed to request NAND R/B gpio\n");
389 		gpio_free(GPIO11_NAND_CS);
390 		return;
391 	}
392 
393 	gpio_direction_input(nand_rb);
394 
395 	platform_device_register(&em_x270_nand);
396 }
397 #else
em_x270_init_nand(void)398 static inline void em_x270_init_nand(void) {}
399 #endif
400 
401 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
402 static struct mtd_partition em_x270_nor_parts[] = {
403 	{
404 		.name =		"Bootloader",
405 		.offset =	0x00000000,
406 		.size =		0x00050000,
407 		.mask_flags =	MTD_WRITEABLE  /* force read-only */
408 	}, {
409 		.name =		"Environment",
410 		.offset =	0x00050000,
411 		.size =		0x00010000,
412 	}, {
413 		.name =		"Reserved",
414 		.offset =	0x00060000,
415 		.size =		0x00050000,
416 		.mask_flags =	MTD_WRITEABLE  /* force read-only */
417 	}, {
418 		.name =		"Splashscreen",
419 		.offset =	0x000b0000,
420 		.size =		0x00050000,
421 	}
422 };
423 
424 static struct physmap_flash_data em_x270_nor_data[] = {
425 	[0] = {
426 		.width = 2,
427 		.parts = em_x270_nor_parts,
428 		.nr_parts = ARRAY_SIZE(em_x270_nor_parts),
429 	},
430 };
431 
432 static struct resource em_x270_nor_flash_resource = {
433 	.start	= PXA_CS0_PHYS,
434 	.end	= PXA_CS0_PHYS + SZ_1M - 1,
435 	.flags	= IORESOURCE_MEM,
436 };
437 
438 static struct platform_device em_x270_physmap_flash = {
439 	.name		= "physmap-flash",
440 	.id		= 0,
441 	.num_resources	= 1,
442 	.resource	= &em_x270_nor_flash_resource,
443 	.dev		= {
444 		.platform_data	= &em_x270_nor_data,
445 	},
446 };
447 
em_x270_init_nor(void)448 static void __init em_x270_init_nor(void)
449 {
450 	platform_device_register(&em_x270_physmap_flash);
451 }
452 #else
em_x270_init_nor(void)453 static inline void em_x270_init_nor(void) {}
454 #endif
455 
456 /* PXA27x OHCI controller setup */
457 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
458 static struct regulator *em_x270_usb_ldo;
459 
em_x270_usb_hub_init(void)460 static int em_x270_usb_hub_init(void)
461 {
462 	int err;
463 
464 	em_x270_usb_ldo = regulator_get(NULL, "vcc usb");
465 	if (IS_ERR(em_x270_usb_ldo))
466 		return PTR_ERR(em_x270_usb_ldo);
467 
468 	err = gpio_request(GPIO9_USB_VBUS_EN, "vbus en");
469 	if (err)
470 		goto err_free_usb_ldo;
471 
472 	err = gpio_request(usb_hub_reset, "hub rst");
473 	if (err)
474 		goto err_free_vbus_gpio;
475 
476 	/* USB Hub power-on and reset */
477 	gpio_direction_output(usb_hub_reset, 1);
478 	gpio_direction_output(GPIO9_USB_VBUS_EN, 0);
479 	err = regulator_enable(em_x270_usb_ldo);
480 	if (err)
481 		goto err_free_rst_gpio;
482 
483 	gpio_set_value(usb_hub_reset, 0);
484 	gpio_set_value(usb_hub_reset, 1);
485 	regulator_disable(em_x270_usb_ldo);
486 	err = regulator_enable(em_x270_usb_ldo);
487 	if (err)
488 		goto err_free_rst_gpio;
489 
490 	gpio_set_value(usb_hub_reset, 0);
491 	gpio_set_value(GPIO9_USB_VBUS_EN, 1);
492 
493 	return 0;
494 
495 err_free_rst_gpio:
496 	gpio_free(usb_hub_reset);
497 err_free_vbus_gpio:
498 	gpio_free(GPIO9_USB_VBUS_EN);
499 err_free_usb_ldo:
500 	regulator_put(em_x270_usb_ldo);
501 
502 	return err;
503 }
504 
em_x270_ohci_init(struct device * dev)505 static int em_x270_ohci_init(struct device *dev)
506 {
507 	int err;
508 
509 	/* we don't want to entirely disable USB if the HUB init failed */
510 	err = em_x270_usb_hub_init();
511 	if (err)
512 		pr_err("USB Hub initialization failed: %d\n", err);
513 
514 	/* enable port 2 transiever */
515 	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE;
516 
517 	return 0;
518 }
519 
em_x270_ohci_exit(struct device * dev)520 static void em_x270_ohci_exit(struct device *dev)
521 {
522 	gpio_free(usb_hub_reset);
523 	gpio_free(GPIO9_USB_VBUS_EN);
524 
525 	if (!IS_ERR(em_x270_usb_ldo)) {
526 		if (regulator_is_enabled(em_x270_usb_ldo))
527 			regulator_disable(em_x270_usb_ldo);
528 
529 		regulator_put(em_x270_usb_ldo);
530 	}
531 }
532 
533 static struct pxaohci_platform_data em_x270_ohci_platform_data = {
534 	.port_mode	= PMM_PERPORT_MODE,
535 	.flags		= ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
536 	.init		= em_x270_ohci_init,
537 	.exit		= em_x270_ohci_exit,
538 };
539 
em_x270_init_ohci(void)540 static void __init em_x270_init_ohci(void)
541 {
542 	pxa_set_ohci_info(&em_x270_ohci_platform_data);
543 }
544 #else
em_x270_init_ohci(void)545 static inline void em_x270_init_ohci(void) {}
546 #endif
547 
548 /* MCI controller setup */
549 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
550 static struct regulator *em_x270_sdio_ldo;
551 
em_x270_mci_init(struct device * dev,irq_handler_t em_x270_detect_int,void * data)552 static int em_x270_mci_init(struct device *dev,
553 			    irq_handler_t em_x270_detect_int,
554 			    void *data)
555 {
556 	int err;
557 
558 	em_x270_sdio_ldo = regulator_get(dev, "vcc sdio");
559 	if (IS_ERR(em_x270_sdio_ldo)) {
560 		dev_err(dev, "can't request SDIO power supply: %ld\n",
561 			PTR_ERR(em_x270_sdio_ldo));
562 		return PTR_ERR(em_x270_sdio_ldo);
563 	}
564 
565 	err = request_irq(gpio_to_irq(mmc_cd), em_x270_detect_int,
566 			      IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
567 			      "MMC card detect", data);
568 	if (err) {
569 		dev_err(dev, "can't request MMC card detect IRQ: %d\n", err);
570 		goto err_irq;
571 	}
572 
573 	if (machine_is_em_x270()) {
574 		err = gpio_request(GPIO95_MMC_WP, "MMC WP");
575 		if (err) {
576 			dev_err(dev, "can't request MMC write protect: %d\n",
577 				err);
578 			goto err_gpio_wp;
579 		}
580 		gpio_direction_input(GPIO95_MMC_WP);
581 	} else {
582 		err = gpio_request(GPIO38_SD_PWEN, "sdio power");
583 		if (err) {
584 			dev_err(dev, "can't request MMC power control : %d\n",
585 				err);
586 			goto err_gpio_wp;
587 		}
588 		gpio_direction_output(GPIO38_SD_PWEN, 1);
589 	}
590 
591 	return 0;
592 
593 err_gpio_wp:
594 	free_irq(gpio_to_irq(mmc_cd), data);
595 err_irq:
596 	regulator_put(em_x270_sdio_ldo);
597 
598 	return err;
599 }
600 
em_x270_mci_setpower(struct device * dev,unsigned int vdd)601 static int em_x270_mci_setpower(struct device *dev, unsigned int vdd)
602 {
603 	struct pxamci_platform_data* p_d = dev->platform_data;
604 
605 	if ((1 << vdd) & p_d->ocr_mask) {
606 		int vdd_uV = (2000 + (vdd - __ffs(MMC_VDD_20_21)) * 100) * 1000;
607 
608 		regulator_set_voltage(em_x270_sdio_ldo, vdd_uV, vdd_uV);
609 		return regulator_enable(em_x270_sdio_ldo);
610 	} else {
611 		regulator_disable(em_x270_sdio_ldo);
612 	}
613 	return 0;
614 }
615 
em_x270_mci_exit(struct device * dev,void * data)616 static void em_x270_mci_exit(struct device *dev, void *data)
617 {
618 	free_irq(gpio_to_irq(mmc_cd), data);
619 	regulator_put(em_x270_sdio_ldo);
620 
621 	if (machine_is_em_x270())
622 		gpio_free(GPIO95_MMC_WP);
623 	else
624 		gpio_free(GPIO38_SD_PWEN);
625 }
626 
em_x270_mci_get_ro(struct device * dev)627 static int em_x270_mci_get_ro(struct device *dev)
628 {
629 	return gpio_get_value(GPIO95_MMC_WP);
630 }
631 
632 static struct pxamci_platform_data em_x270_mci_platform_data = {
633 	.detect_delay_ms	= 250,
634 	.ocr_mask		= MMC_VDD_20_21|MMC_VDD_21_22|MMC_VDD_22_23|
635 				  MMC_VDD_24_25|MMC_VDD_25_26|MMC_VDD_26_27|
636 				  MMC_VDD_27_28|MMC_VDD_28_29|MMC_VDD_29_30|
637 				  MMC_VDD_30_31|MMC_VDD_31_32,
638 	.init 			= em_x270_mci_init,
639 	.setpower 		= em_x270_mci_setpower,
640 	.exit			= em_x270_mci_exit,
641 	.gpio_card_detect	= -1,
642 	.gpio_card_ro		= -1,
643 	.gpio_power		= -1,
644 };
645 
em_x270_init_mmc(void)646 static void __init em_x270_init_mmc(void)
647 {
648 	if (machine_is_em_x270())
649 		em_x270_mci_platform_data.get_ro = em_x270_mci_get_ro;
650 
651 	pxa_set_mci_info(&em_x270_mci_platform_data);
652 }
653 #else
em_x270_init_mmc(void)654 static inline void em_x270_init_mmc(void) {}
655 #endif
656 
657 /* LCD */
658 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
659 static struct pxafb_mode_info em_x270_lcd_modes[] = {
660 	[0] = {
661 		.pixclock	= 38250,
662 		.bpp		= 16,
663 		.xres		= 480,
664 		.yres		= 640,
665 		.hsync_len	= 8,
666 		.vsync_len	= 2,
667 		.left_margin	= 8,
668 		.upper_margin	= 2,
669 		.right_margin	= 24,
670 		.lower_margin	= 4,
671 		.sync		= 0,
672 	},
673 	[1] = {
674 		.pixclock       = 153800,
675 		.bpp		= 16,
676 		.xres		= 240,
677 		.yres		= 320,
678 		.hsync_len	= 8,
679 		.vsync_len	= 2,
680 		.left_margin	= 8,
681 		.upper_margin	= 2,
682 		.right_margin	= 88,
683 		.lower_margin	= 2,
684 		.sync		= 0,
685 	},
686 };
687 
688 static struct pxafb_mach_info em_x270_lcd = {
689 	.modes		= em_x270_lcd_modes,
690 	.num_modes	= 2,
691 	.lcd_conn	= LCD_COLOR_TFT_16BPP,
692 };
693 
em_x270_init_lcd(void)694 static void __init em_x270_init_lcd(void)
695 {
696 	pxa_set_fb_info(NULL, &em_x270_lcd);
697 }
698 #else
em_x270_init_lcd(void)699 static inline void em_x270_init_lcd(void) {}
700 #endif
701 
702 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
703 static struct pxa2xx_spi_master em_x270_spi_info = {
704 	.num_chipselect	= 1,
705 };
706 
707 static struct pxa2xx_spi_chip em_x270_tdo24m_chip = {
708 	.rx_threshold	= 1,
709 	.tx_threshold	= 1,
710 	.gpio_cs	= -1,
711 };
712 
713 static struct tdo24m_platform_data em_x270_tdo24m_pdata = {
714 	.model = TDO35S,
715 };
716 
717 static struct pxa2xx_spi_master em_x270_spi_2_info = {
718 	.num_chipselect	= 1,
719 	.enable_dma	= 1,
720 };
721 
722 static struct pxa2xx_spi_chip em_x270_libertas_chip = {
723 	.rx_threshold	= 1,
724 	.tx_threshold	= 1,
725 	.timeout	= 1000,
726 	.gpio_cs	= 14,
727 };
728 
729 static unsigned long em_x270_libertas_pin_config[] = {
730 	/* SSP2 */
731 	GPIO19_SSP2_SCLK,
732 	GPIO14_GPIO,
733 	GPIO89_SSP2_TXD,
734 	GPIO88_SSP2_RXD,
735 };
736 
em_x270_libertas_setup(struct spi_device * spi)737 static int em_x270_libertas_setup(struct spi_device *spi)
738 {
739 	int err = gpio_request(GPIO115_WLAN_PWEN, "WLAN PWEN");
740 	if (err)
741 		return err;
742 
743 	err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP");
744 	if (err)
745 		goto err_free_pwen;
746 
747 	if (machine_is_exeda()) {
748 		err = gpio_request(GPIO37_WLAN_RST, "WLAN RST");
749 		if (err)
750 			goto err_free_strap;
751 
752 		gpio_direction_output(GPIO37_WLAN_RST, 1);
753 		msleep(100);
754 	}
755 
756 	gpio_direction_output(GPIO19_WLAN_STRAP, 1);
757 	msleep(100);
758 
759 	pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_libertas_pin_config));
760 
761 	gpio_direction_output(GPIO115_WLAN_PWEN, 0);
762 	msleep(100);
763 	gpio_set_value(GPIO115_WLAN_PWEN, 1);
764 	msleep(100);
765 
766 	spi->bits_per_word = 16;
767 	spi_setup(spi);
768 
769 	return 0;
770 
771 err_free_strap:
772 	gpio_free(GPIO19_WLAN_STRAP);
773 err_free_pwen:
774 	gpio_free(GPIO115_WLAN_PWEN);
775 
776 	return err;
777 }
778 
em_x270_libertas_teardown(struct spi_device * spi)779 static int em_x270_libertas_teardown(struct spi_device *spi)
780 {
781 	gpio_set_value(GPIO115_WLAN_PWEN, 0);
782 	gpio_free(GPIO115_WLAN_PWEN);
783 	gpio_free(GPIO19_WLAN_STRAP);
784 
785 	if (machine_is_exeda()) {
786 		gpio_set_value(GPIO37_WLAN_RST, 0);
787 		gpio_free(GPIO37_WLAN_RST);
788 	}
789 
790 	return 0;
791 }
792 
793 struct libertas_spi_platform_data em_x270_libertas_pdata = {
794 	.use_dummy_writes	= 1,
795 	.setup			= em_x270_libertas_setup,
796 	.teardown		= em_x270_libertas_teardown,
797 };
798 
799 static struct spi_board_info em_x270_spi_devices[] __initdata = {
800 	{
801 		.modalias		= "tdo24m",
802 		.max_speed_hz		= 1000000,
803 		.bus_num		= 1,
804 		.chip_select		= 0,
805 		.controller_data	= &em_x270_tdo24m_chip,
806 		.platform_data		= &em_x270_tdo24m_pdata,
807 	},
808 	{
809 		.modalias		= "libertas_spi",
810 		.max_speed_hz		= 13000000,
811 		.bus_num		= 2,
812 		.irq			= PXA_GPIO_TO_IRQ(116),
813 		.chip_select		= 0,
814 		.controller_data	= &em_x270_libertas_chip,
815 		.platform_data		= &em_x270_libertas_pdata,
816 	},
817 };
818 
em_x270_init_spi(void)819 static void __init em_x270_init_spi(void)
820 {
821 	pxa2xx_set_spi_info(1, &em_x270_spi_info);
822 	pxa2xx_set_spi_info(2, &em_x270_spi_2_info);
823 	spi_register_board_info(ARRAY_AND_SIZE(em_x270_spi_devices));
824 }
825 #else
em_x270_init_spi(void)826 static inline void em_x270_init_spi(void) {}
827 #endif
828 
829 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
830 static pxa2xx_audio_ops_t em_x270_ac97_info = {
831 	.reset_gpio = 113,
832 };
833 
em_x270_init_ac97(void)834 static void __init em_x270_init_ac97(void)
835 {
836 	pxa_set_ac97_info(&em_x270_ac97_info);
837 }
838 #else
em_x270_init_ac97(void)839 static inline void em_x270_init_ac97(void) {}
840 #endif
841 
842 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
843 static const unsigned int em_x270_module_matrix_keys[] = {
844 	KEY(0, 0, KEY_A), KEY(1, 0, KEY_UP), KEY(2, 1, KEY_B),
845 	KEY(0, 2, KEY_LEFT), KEY(1, 1, KEY_ENTER), KEY(2, 0, KEY_RIGHT),
846 	KEY(0, 1, KEY_C), KEY(1, 2, KEY_DOWN), KEY(2, 2, KEY_D),
847 };
848 
849 static struct matrix_keymap_data em_x270_matrix_keymap_data = {
850 	.keymap			= em_x270_module_matrix_keys,
851 	.keymap_size		= ARRAY_SIZE(em_x270_module_matrix_keys),
852 };
853 
854 struct pxa27x_keypad_platform_data em_x270_module_keypad_info = {
855 	/* code map for the matrix keys */
856 	.matrix_key_rows	= 3,
857 	.matrix_key_cols	= 3,
858 	.matrix_keymap_data	= &em_x270_matrix_keymap_data,
859 };
860 
861 static const unsigned int em_x270_exeda_matrix_keys[] = {
862 	KEY(0, 0, KEY_RIGHTSHIFT), KEY(0, 1, KEY_RIGHTCTRL),
863 	KEY(0, 2, KEY_RIGHTALT), KEY(0, 3, KEY_SPACE),
864 	KEY(0, 4, KEY_LEFTALT), KEY(0, 5, KEY_LEFTCTRL),
865 	KEY(0, 6, KEY_ENTER), KEY(0, 7, KEY_SLASH),
866 
867 	KEY(1, 0, KEY_DOT), KEY(1, 1, KEY_M),
868 	KEY(1, 2, KEY_N), KEY(1, 3, KEY_B),
869 	KEY(1, 4, KEY_V), KEY(1, 5, KEY_C),
870 	KEY(1, 6, KEY_X), KEY(1, 7, KEY_Z),
871 
872 	KEY(2, 0, KEY_LEFTSHIFT), KEY(2, 1, KEY_SEMICOLON),
873 	KEY(2, 2, KEY_L), KEY(2, 3, KEY_K),
874 	KEY(2, 4, KEY_J), KEY(2, 5, KEY_H),
875 	KEY(2, 6, KEY_G), KEY(2, 7, KEY_F),
876 
877 	KEY(3, 0, KEY_D), KEY(3, 1, KEY_S),
878 	KEY(3, 2, KEY_A), KEY(3, 3, KEY_TAB),
879 	KEY(3, 4, KEY_BACKSPACE), KEY(3, 5, KEY_P),
880 	KEY(3, 6, KEY_O), KEY(3, 7, KEY_I),
881 
882 	KEY(4, 0, KEY_U), KEY(4, 1, KEY_Y),
883 	KEY(4, 2, KEY_T), KEY(4, 3, KEY_R),
884 	KEY(4, 4, KEY_E), KEY(4, 5, KEY_W),
885 	KEY(4, 6, KEY_Q), KEY(4, 7, KEY_MINUS),
886 
887 	KEY(5, 0, KEY_0), KEY(5, 1, KEY_9),
888 	KEY(5, 2, KEY_8), KEY(5, 3, KEY_7),
889 	KEY(5, 4, KEY_6), KEY(5, 5, KEY_5),
890 	KEY(5, 6, KEY_4), KEY(5, 7, KEY_3),
891 
892 	KEY(6, 0, KEY_2), KEY(6, 1, KEY_1),
893 	KEY(6, 2, KEY_ENTER), KEY(6, 3, KEY_END),
894 	KEY(6, 4, KEY_DOWN), KEY(6, 5, KEY_UP),
895 	KEY(6, 6, KEY_MENU), KEY(6, 7, KEY_F1),
896 
897 	KEY(7, 0, KEY_LEFT), KEY(7, 1, KEY_RIGHT),
898 	KEY(7, 2, KEY_BACK), KEY(7, 3, KEY_HOME),
899 	KEY(7, 4, 0), KEY(7, 5, 0),
900 	KEY(7, 6, 0), KEY(7, 7, 0),
901 };
902 
903 static struct matrix_keymap_data em_x270_exeda_matrix_keymap_data = {
904 	.keymap			= em_x270_exeda_matrix_keys,
905 	.keymap_size		= ARRAY_SIZE(em_x270_exeda_matrix_keys),
906 };
907 
908 struct pxa27x_keypad_platform_data em_x270_exeda_keypad_info = {
909 	/* code map for the matrix keys */
910 	.matrix_key_rows	= 8,
911 	.matrix_key_cols	= 8,
912 	.matrix_keymap_data	= &em_x270_exeda_matrix_keymap_data,
913 };
914 
em_x270_init_keypad(void)915 static void __init em_x270_init_keypad(void)
916 {
917 	if (machine_is_em_x270())
918 		pxa_set_keypad_info(&em_x270_module_keypad_info);
919 	else
920 		pxa_set_keypad_info(&em_x270_exeda_keypad_info);
921 }
922 #else
em_x270_init_keypad(void)923 static inline void em_x270_init_keypad(void) {}
924 #endif
925 
926 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
927 static struct gpio_keys_button gpio_keys_button[] = {
928 	[0] = {
929 		.desc	= "sleep/wakeup",
930 		.code	= KEY_SUSPEND,
931 		.type	= EV_PWR,
932 		.gpio	= 1,
933 		.wakeup	= 1,
934 	},
935 };
936 
937 static struct gpio_keys_platform_data em_x270_gpio_keys_data = {
938 	.buttons	= gpio_keys_button,
939 	.nbuttons	= 1,
940 };
941 
942 static struct platform_device em_x270_gpio_keys = {
943 	.name		= "gpio-keys",
944 	.id		= -1,
945 	.dev		= {
946 		.platform_data	= &em_x270_gpio_keys_data,
947 	},
948 };
949 
em_x270_init_gpio_keys(void)950 static void __init em_x270_init_gpio_keys(void)
951 {
952 	platform_device_register(&em_x270_gpio_keys);
953 }
954 #else
em_x270_init_gpio_keys(void)955 static inline void em_x270_init_gpio_keys(void) {}
956 #endif
957 
958 /* Quick Capture Interface and sensor setup */
959 #if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
em_x270_sensor_init(void)960 static int em_x270_sensor_init(void)
961 {
962 	int ret;
963 
964 	ret = gpio_request(cam_reset, "camera reset");
965 	if (ret)
966 		return ret;
967 
968 	gpio_direction_output(cam_reset, 0);
969 	gpio_set_value(cam_reset, 1);
970 
971 	return 0;
972 }
973 
974 static struct regulator_consumer_supply camera_dummy_supplies[] = {
975 	REGULATOR_SUPPLY("vdd", "0-005d"),
976 };
977 
978 static struct regulator_init_data camera_dummy_initdata = {
979 	.consumer_supplies = camera_dummy_supplies,
980 	.num_consumer_supplies = ARRAY_SIZE(camera_dummy_supplies),
981 	.constraints = {
982 		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
983 	},
984 };
985 
986 static struct fixed_voltage_config camera_dummy_config = {
987 	.supply_name		= "camera_vdd",
988 	.input_supply		= "vcc cam",
989 	.microvolts		= 2800000,
990 	.gpio			= -1,
991 	.enable_high		= 0,
992 	.init_data		= &camera_dummy_initdata,
993 };
994 
995 static struct platform_device camera_supply_dummy_device = {
996 	.name	= "reg-fixed-voltage",
997 	.id	= 1,
998 	.dev	= {
999 		.platform_data = &camera_dummy_config,
1000 	},
1001 };
1002 
1003 struct pxacamera_platform_data em_x270_camera_platform_data = {
1004 	.flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
1005 		PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
1006 	.mclk_10khz = 2600,
1007 	.sensor_i2c_adapter_id = 0,
1008 	.sensor_i2c_address = 0x5d,
1009 };
1010 
em_x270_init_camera(void)1011 static void  __init em_x270_init_camera(void)
1012 {
1013 	if (em_x270_sensor_init() == 0)
1014 		pxa_set_camera_info(&em_x270_camera_platform_data);
1015 	platform_device_register(&camera_supply_dummy_device);
1016 }
1017 #else
em_x270_init_camera(void)1018 static inline void em_x270_init_camera(void) {}
1019 #endif
1020 
1021 static struct regulator_bulk_data em_x270_gps_consumer_supply = {
1022 	.supply		= "vcc gps",
1023 };
1024 
1025 static struct regulator_userspace_consumer_data em_x270_gps_consumer_data = {
1026 	.name		= "vcc gps",
1027 	.num_supplies	= 1,
1028 	.supplies	= &em_x270_gps_consumer_supply,
1029 };
1030 
1031 static struct platform_device em_x270_gps_userspace_consumer = {
1032 	.name		= "reg-userspace-consumer",
1033 	.id		= 0,
1034 	.dev		= {
1035 		.platform_data = &em_x270_gps_consumer_data,
1036 	},
1037 };
1038 
1039 static struct regulator_bulk_data em_x270_gprs_consumer_supply = {
1040 	.supply		= "vcc gprs",
1041 };
1042 
1043 static struct regulator_userspace_consumer_data em_x270_gprs_consumer_data = {
1044 	.name		= "vcc gprs",
1045 	.num_supplies	= 1,
1046 	.supplies	= &em_x270_gprs_consumer_supply
1047 };
1048 
1049 static struct platform_device em_x270_gprs_userspace_consumer = {
1050 	.name		= "reg-userspace-consumer",
1051 	.id		= 1,
1052 	.dev		= {
1053 		.platform_data = &em_x270_gprs_consumer_data,
1054 	}
1055 };
1056 
1057 static struct platform_device *em_x270_userspace_consumers[] = {
1058 	&em_x270_gps_userspace_consumer,
1059 	&em_x270_gprs_userspace_consumer,
1060 };
1061 
em_x270_userspace_consumers_init(void)1062 static void __init em_x270_userspace_consumers_init(void)
1063 {
1064 	platform_add_devices(ARRAY_AND_SIZE(em_x270_userspace_consumers));
1065 }
1066 
1067 /* DA9030 related initializations */
1068 #define REGULATOR_CONSUMER(_name, _dev_name, _supply)		        \
1069 	static struct regulator_consumer_supply _name##_consumers[] = {	\
1070 		REGULATOR_SUPPLY(_supply, _dev_name),			\
1071 	}
1072 
1073 REGULATOR_CONSUMER(ldo3, "reg-userspace-consumer.0", "vcc gps");
1074 REGULATOR_CONSUMER(ldo5, NULL, "vcc cam");
1075 REGULATOR_CONSUMER(ldo10, "pxa2xx-mci", "vcc sdio");
1076 REGULATOR_CONSUMER(ldo12, NULL, "vcc usb");
1077 REGULATOR_CONSUMER(ldo19, "reg-userspace-consumer.1", "vcc gprs");
1078 REGULATOR_CONSUMER(buck2, NULL, "vcc_core");
1079 
1080 #define REGULATOR_INIT(_ldo, _min_uV, _max_uV, _ops_mask)		\
1081 	static struct regulator_init_data _ldo##_data = {		\
1082 		.constraints = {					\
1083 			.min_uV = _min_uV,				\
1084 			.max_uV = _max_uV,				\
1085 			.state_mem = {					\
1086 				.enabled = 0,				\
1087 			},						\
1088 			.valid_ops_mask = _ops_mask,			\
1089 			.apply_uV = 1,					\
1090 		},							\
1091 		.num_consumer_supplies = ARRAY_SIZE(_ldo##_consumers),	\
1092 		.consumer_supplies = _ldo##_consumers,			\
1093 	};
1094 
1095 REGULATOR_INIT(ldo3, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
1096 REGULATOR_INIT(ldo5, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
1097 REGULATOR_INIT(ldo10, 2000000, 3200000,
1098 	       REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_VOLTAGE);
1099 REGULATOR_INIT(ldo12, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
1100 REGULATOR_INIT(ldo19, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
1101 REGULATOR_INIT(buck2, 1000000, 1650000, REGULATOR_CHANGE_VOLTAGE);
1102 
1103 struct led_info em_x270_led_info = {
1104 	.name = "em-x270:orange",
1105 	.default_trigger = "battery-charging-or-full",
1106 };
1107 
1108 struct power_supply_info em_x270_psy_info = {
1109 	.name = "battery",
1110 	.technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
1111 	.voltage_max_design = 4200000,
1112 	.voltage_min_design = 3000000,
1113 	.use_for_apm = 1,
1114 };
1115 
em_x270_battery_low(void)1116 static void em_x270_battery_low(void)
1117 {
1118 #if defined(CONFIG_APM_EMULATION)
1119 	apm_queue_event(APM_LOW_BATTERY);
1120 #endif
1121 }
1122 
em_x270_battery_critical(void)1123 static void em_x270_battery_critical(void)
1124 {
1125 #if defined(CONFIG_APM_EMULATION)
1126 	apm_queue_event(APM_CRITICAL_SUSPEND);
1127 #endif
1128 }
1129 
1130 struct da9030_battery_info em_x270_batterty_info = {
1131 	.battery_info = &em_x270_psy_info,
1132 
1133 	.charge_milliamp = 1000,
1134 	.charge_millivolt = 4200,
1135 
1136 	.vbat_low = 3600,
1137 	.vbat_crit = 3400,
1138 	.vbat_charge_start = 4100,
1139 	.vbat_charge_stop = 4200,
1140 	.vbat_charge_restart = 4000,
1141 
1142 	.vcharge_min = 3200,
1143 	.vcharge_max = 5500,
1144 
1145 	.tbat_low = 197,
1146 	.tbat_high = 78,
1147 	.tbat_restart = 100,
1148 
1149 	.batmon_interval = 0,
1150 
1151 	.battery_low = em_x270_battery_low,
1152 	.battery_critical = em_x270_battery_critical,
1153 };
1154 
1155 #define DA9030_SUBDEV(_name, _id, _pdata)	\
1156 	{					\
1157 		.name = "da903x-" #_name,	\
1158 		.id = DA9030_ID_##_id,		\
1159 		.platform_data = _pdata,	\
1160 	}
1161 
1162 #define DA9030_LDO(num)	DA9030_SUBDEV(regulator, LDO##num, &ldo##num##_data)
1163 
1164 struct da903x_subdev_info em_x270_da9030_subdevs[] = {
1165 	DA9030_LDO(3),
1166 	DA9030_LDO(5),
1167 	DA9030_LDO(10),
1168 	DA9030_LDO(12),
1169 	DA9030_LDO(19),
1170 
1171 	DA9030_SUBDEV(regulator, BUCK2, &buck2_data),
1172 
1173 	DA9030_SUBDEV(led, LED_PC, &em_x270_led_info),
1174 	DA9030_SUBDEV(backlight, WLED, &em_x270_led_info),
1175 	DA9030_SUBDEV(battery, BAT, &em_x270_batterty_info),
1176 };
1177 
1178 static struct da903x_platform_data em_x270_da9030_info = {
1179 	.num_subdevs = ARRAY_SIZE(em_x270_da9030_subdevs),
1180 	.subdevs = em_x270_da9030_subdevs,
1181 };
1182 
1183 static struct i2c_board_info em_x270_i2c_pmic_info = {
1184 	I2C_BOARD_INFO("da9030", 0x49),
1185 	.irq = PXA_GPIO_TO_IRQ(0),
1186 	.platform_data = &em_x270_da9030_info,
1187 };
1188 
1189 static struct i2c_pxa_platform_data em_x270_pwr_i2c_info = {
1190 	.use_pio = 1,
1191 };
1192 
em_x270_init_da9030(void)1193 static void __init em_x270_init_da9030(void)
1194 {
1195 	pxa27x_set_i2c_power_info(&em_x270_pwr_i2c_info);
1196 	i2c_register_board_info(1, &em_x270_i2c_pmic_info, 1);
1197 }
1198 
1199 static struct pca953x_platform_data exeda_gpio_ext_pdata = {
1200 	.gpio_base = 128,
1201 };
1202 
1203 static struct i2c_board_info exeda_i2c_info[] = {
1204 	{
1205 		I2C_BOARD_INFO("pca9555", 0x21),
1206 		.platform_data = &exeda_gpio_ext_pdata,
1207 	},
1208 };
1209 
1210 static struct i2c_pxa_platform_data em_x270_i2c_info = {
1211 	.fast_mode = 1,
1212 };
1213 
em_x270_init_i2c(void)1214 static void __init em_x270_init_i2c(void)
1215 {
1216 	pxa_set_i2c_info(&em_x270_i2c_info);
1217 
1218 	if (machine_is_exeda())
1219 		i2c_register_board_info(0, ARRAY_AND_SIZE(exeda_i2c_info));
1220 }
1221 
em_x270_module_init(void)1222 static void __init em_x270_module_init(void)
1223 {
1224 	pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config));
1225 
1226 	mmc_cd = GPIO13_MMC_CD;
1227 	nand_rb = GPIO56_NAND_RB;
1228 	dm9000_flags = DM9000_PLATF_32BITONLY;
1229 	cam_reset = GPIO93_CAM_RESET;
1230 	usb_hub_reset = GPIO16_USB_HUB_RESET;
1231 }
1232 
em_x270_exeda_init(void)1233 static void __init em_x270_exeda_init(void)
1234 {
1235 	pxa2xx_mfp_config(ARRAY_AND_SIZE(exeda_pin_config));
1236 
1237 	mmc_cd = GPIO114_MMC_CD;
1238 	nand_rb = GPIO20_NAND_RB;
1239 	dm9000_flags = DM9000_PLATF_16BITONLY;
1240 	cam_reset = GPIO130_CAM_RESET;
1241 	usb_hub_reset = GPIO10_USB_HUB_RESET;
1242 }
1243 
em_x270_init(void)1244 static void __init em_x270_init(void)
1245 {
1246 	pxa2xx_mfp_config(ARRAY_AND_SIZE(common_pin_config));
1247 
1248 	pxa_set_ffuart_info(NULL);
1249 	pxa_set_btuart_info(NULL);
1250 	pxa_set_stuart_info(NULL);
1251 
1252 #ifdef CONFIG_PM
1253 	pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
1254 #endif
1255 
1256 	if (machine_is_em_x270())
1257 		em_x270_module_init();
1258 	else if (machine_is_exeda())
1259 		em_x270_exeda_init();
1260 	else
1261 		panic("Unsupported machine: %d\n", machine_arch_type);
1262 
1263 	em_x270_init_da9030();
1264 	em_x270_init_dm9000();
1265 	em_x270_init_rtc();
1266 	em_x270_init_nand();
1267 	em_x270_init_nor();
1268 	em_x270_init_lcd();
1269 	em_x270_init_mmc();
1270 	em_x270_init_ohci();
1271 	em_x270_init_keypad();
1272 	em_x270_init_gpio_keys();
1273 	em_x270_init_ac97();
1274 	em_x270_init_spi();
1275 	em_x270_init_i2c();
1276 	em_x270_init_camera();
1277 	em_x270_userspace_consumers_init();
1278 
1279 	regulator_has_full_constraints();
1280 }
1281 
1282 MACHINE_START(EM_X270, "Compulab EM-X270")
1283 	.atag_offset	= 0x100,
1284 	.map_io		= pxa27x_map_io,
1285 	.nr_irqs	= PXA_NR_IRQS,
1286 	.init_irq	= pxa27x_init_irq,
1287 	.handle_irq	= pxa27x_handle_irq,
1288 	.init_time	= pxa_timer_init,
1289 	.init_machine	= em_x270_init,
1290 	.restart	= pxa_restart,
1291 MACHINE_END
1292 
1293 MACHINE_START(EXEDA, "Compulab eXeda")
1294 	.atag_offset	= 0x100,
1295 	.map_io		= pxa27x_map_io,
1296 	.nr_irqs	= PXA_NR_IRQS,
1297 	.init_irq	= pxa27x_init_irq,
1298 	.handle_irq	= pxa27x_handle_irq,
1299 	.init_time	= pxa_timer_init,
1300 	.init_machine	= em_x270_init,
1301 	.restart	= pxa_restart,
1302 MACHINE_END
1303