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/rtc-v3020.h>
18 #include <linux/mtd/nand.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/spi/spi.h>
27 #include <linux/spi/tdo24m.h>
28 #include <linux/spi/libertas_spi.h>
29 #include <linux/spi/pxa2xx_spi.h>
30 #include <linux/power_supply.h>
31 #include <linux/apm-emulation.h>
32 #include <linux/i2c.h>
33 #include <linux/platform_data/pca953x.h>
34 #include <linux/i2c/pxa-i2c.h>
35 #include <linux/regulator/userspace-consumer.h>
36 
37 #include <media/soc_camera.h>
38 
39 #include <asm/mach-types.h>
40 #include <asm/mach/arch.h>
41 
42 #include <mach/pxa27x.h>
43 #include <mach/pxa27x-udc.h>
44 #include <mach/audio.h>
45 #include <linux/platform_data/video-pxafb.h>
46 #include <linux/platform_data/usb-ohci-pxa27x.h>
47 #include <linux/platform_data/mmc-pxamci.h>
48 #include <linux/platform_data/keypad-pxa27x.h>
49 #include <linux/platform_data/camera-pxa.h>
50 
51 #include "generic.h"
52 #include "devices.h"
53 
54 /* EM-X270 specific GPIOs */
55 #define GPIO13_MMC_CD		(13)
56 #define GPIO95_MMC_WP		(95)
57 #define GPIO56_NAND_RB		(56)
58 #define GPIO93_CAM_RESET	(93)
59 #define GPIO16_USB_HUB_RESET	(16)
60 
61 /* eXeda specific GPIOs */
62 #define GPIO114_MMC_CD		(114)
63 #define GPIO20_NAND_RB		(20)
64 #define GPIO38_SD_PWEN		(38)
65 #define GPIO37_WLAN_RST		(37)
66 #define GPIO95_TOUCHPAD_INT	(95)
67 #define GPIO130_CAM_RESET	(130)
68 #define GPIO10_USB_HUB_RESET	(10)
69 
70 /* common  GPIOs */
71 #define GPIO11_NAND_CS		(11)
72 #define GPIO41_ETHIRQ		(41)
73 #define EM_X270_ETHIRQ		PXA_GPIO_TO_IRQ(GPIO41_ETHIRQ)
74 #define GPIO115_WLAN_PWEN	(115)
75 #define GPIO19_WLAN_STRAP	(19)
76 #define GPIO9_USB_VBUS_EN	(9)
77 
78 static int mmc_cd;
79 static int nand_rb;
80 static int dm9000_flags;
81 static int cam_reset;
82 static int usb_hub_reset;
83 
84 static unsigned long common_pin_config[] = {
85 	/* AC'97 */
86 	GPIO28_AC97_BITCLK,
87 	GPIO29_AC97_SDATA_IN_0,
88 	GPIO30_AC97_SDATA_OUT,
89 	GPIO31_AC97_SYNC,
90 	GPIO98_AC97_SYSCLK,
91 	GPIO113_AC97_nRESET,
92 
93 	/* BTUART */
94 	GPIO42_BTUART_RXD,
95 	GPIO43_BTUART_TXD,
96 	GPIO44_BTUART_CTS,
97 	GPIO45_BTUART_RTS,
98 
99 	/* STUART */
100 	GPIO46_STUART_RXD,
101 	GPIO47_STUART_TXD,
102 
103 	/* MCI controller */
104 	GPIO32_MMC_CLK,
105 	GPIO112_MMC_CMD,
106 	GPIO92_MMC_DAT_0,
107 	GPIO109_MMC_DAT_1,
108 	GPIO110_MMC_DAT_2,
109 	GPIO111_MMC_DAT_3,
110 
111 	/* LCD */
112 	GPIOxx_LCD_TFT_16BPP,
113 
114 	/* QCI */
115 	GPIO84_CIF_FV,
116 	GPIO25_CIF_LV,
117 	GPIO53_CIF_MCLK,
118 	GPIO54_CIF_PCLK,
119 	GPIO81_CIF_DD_0,
120 	GPIO55_CIF_DD_1,
121 	GPIO51_CIF_DD_2,
122 	GPIO50_CIF_DD_3,
123 	GPIO52_CIF_DD_4,
124 	GPIO48_CIF_DD_5,
125 	GPIO17_CIF_DD_6,
126 	GPIO12_CIF_DD_7,
127 
128 	/* I2C */
129 	GPIO117_I2C_SCL,
130 	GPIO118_I2C_SDA,
131 
132 	/* Keypad */
133 	GPIO100_KP_MKIN_0	| WAKEUP_ON_LEVEL_HIGH,
134 	GPIO101_KP_MKIN_1	| WAKEUP_ON_LEVEL_HIGH,
135 	GPIO102_KP_MKIN_2	| WAKEUP_ON_LEVEL_HIGH,
136 	GPIO34_KP_MKIN_3	| WAKEUP_ON_LEVEL_HIGH,
137 	GPIO39_KP_MKIN_4	| WAKEUP_ON_LEVEL_HIGH,
138 	GPIO99_KP_MKIN_5	| WAKEUP_ON_LEVEL_HIGH,
139 	GPIO91_KP_MKIN_6	| WAKEUP_ON_LEVEL_HIGH,
140 	GPIO36_KP_MKIN_7	| WAKEUP_ON_LEVEL_HIGH,
141 	GPIO103_KP_MKOUT_0,
142 	GPIO104_KP_MKOUT_1,
143 	GPIO105_KP_MKOUT_2,
144 	GPIO106_KP_MKOUT_3,
145 	GPIO107_KP_MKOUT_4,
146 	GPIO108_KP_MKOUT_5,
147 	GPIO96_KP_MKOUT_6,
148 	GPIO22_KP_MKOUT_7,
149 
150 	/* SSP1 */
151 	GPIO26_SSP1_RXD,
152 	GPIO23_SSP1_SCLK,
153 	GPIO24_SSP1_SFRM,
154 	GPIO57_SSP1_TXD,
155 
156 	/* SSP2 */
157 	GPIO19_GPIO,	/* SSP2 clock is used as GPIO for Libertas pin-strap */
158 	GPIO14_GPIO,
159 	GPIO89_SSP2_TXD,
160 	GPIO88_SSP2_RXD,
161 
162 	/* SDRAM and local bus */
163 	GPIO15_nCS_1,
164 	GPIO78_nCS_2,
165 	GPIO79_nCS_3,
166 	GPIO80_nCS_4,
167 	GPIO49_nPWE,
168 	GPIO18_RDY,
169 
170 	/* GPIO */
171 	GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,	/* sleep/resume button */
172 
173 	/* power controls */
174 	GPIO20_GPIO	| MFP_LPM_DRIVE_LOW,	/* GPRS_PWEN */
175 	GPIO115_GPIO	| MFP_LPM_DRIVE_LOW,	/* WLAN_PWEN */
176 
177 	/* NAND controls */
178 	GPIO11_GPIO	| MFP_LPM_DRIVE_HIGH,	/* NAND CE# */
179 
180 	/* interrupts */
181 	GPIO41_GPIO,	/* DM9000 interrupt */
182 };
183 
184 static unsigned long em_x270_pin_config[] = {
185 	GPIO13_GPIO,				/* MMC card detect */
186 	GPIO16_GPIO,				/* USB hub reset */
187 	GPIO56_GPIO,				/* NAND Ready/Busy */
188 	GPIO93_GPIO	| MFP_LPM_DRIVE_LOW,	/* Camera reset */
189 	GPIO95_GPIO,				/* MMC Write protect */
190 };
191 
192 static unsigned long exeda_pin_config[] = {
193 	GPIO10_GPIO,				/* USB hub reset */
194 	GPIO20_GPIO,				/* NAND Ready/Busy */
195 	GPIO38_GPIO	| MFP_LPM_DRIVE_LOW,	/* SD slot power */
196 	GPIO95_GPIO,				/* touchpad IRQ */
197 	GPIO114_GPIO,				/* MMC card detect */
198 };
199 
200 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
201 static struct resource em_x270_dm9000_resource[] = {
202 	[0] = {
203 		.start = PXA_CS2_PHYS,
204 		.end   = PXA_CS2_PHYS + 3,
205 		.flags = IORESOURCE_MEM,
206 	},
207 	[1] = {
208 		.start = PXA_CS2_PHYS + 8,
209 		.end   = PXA_CS2_PHYS + 8 + 0x3f,
210 		.flags = IORESOURCE_MEM,
211 	},
212 	[2] = {
213 		.start = EM_X270_ETHIRQ,
214 		.end   = EM_X270_ETHIRQ,
215 		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
216 	}
217 };
218 
219 static struct dm9000_plat_data em_x270_dm9000_platdata = {
220 	.flags		= DM9000_PLATF_NO_EEPROM,
221 };
222 
223 static struct platform_device em_x270_dm9000 = {
224 	.name		= "dm9000",
225 	.id		= 0,
226 	.num_resources	= ARRAY_SIZE(em_x270_dm9000_resource),
227 	.resource	= em_x270_dm9000_resource,
228 	.dev		= {
229 		.platform_data = &em_x270_dm9000_platdata,
230 	}
231 };
232 
em_x270_init_dm9000(void)233 static void __init em_x270_init_dm9000(void)
234 {
235 	em_x270_dm9000_platdata.flags |= dm9000_flags;
236 	platform_device_register(&em_x270_dm9000);
237 }
238 #else
em_x270_init_dm9000(void)239 static inline void em_x270_init_dm9000(void) {}
240 #endif
241 
242 /* V3020 RTC */
243 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
244 static struct resource em_x270_v3020_resource[] = {
245 	[0] = {
246 		.start = PXA_CS4_PHYS,
247 		.end   = PXA_CS4_PHYS + 3,
248 		.flags = IORESOURCE_MEM,
249 	},
250 };
251 
252 static struct v3020_platform_data em_x270_v3020_platdata = {
253 	.leftshift = 0,
254 };
255 
256 static struct platform_device em_x270_rtc = {
257 	.name		= "v3020",
258 	.num_resources	= ARRAY_SIZE(em_x270_v3020_resource),
259 	.resource	= em_x270_v3020_resource,
260 	.id		= -1,
261 	.dev		= {
262 		.platform_data = &em_x270_v3020_platdata,
263 	}
264 };
265 
em_x270_init_rtc(void)266 static void __init em_x270_init_rtc(void)
267 {
268 	platform_device_register(&em_x270_rtc);
269 }
270 #else
em_x270_init_rtc(void)271 static inline void em_x270_init_rtc(void) {}
272 #endif
273 
274 /* NAND flash */
275 #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
nand_cs_on(void)276 static inline void nand_cs_on(void)
277 {
278 	gpio_set_value(GPIO11_NAND_CS, 0);
279 }
280 
nand_cs_off(void)281 static void nand_cs_off(void)
282 {
283 	dsb();
284 
285 	gpio_set_value(GPIO11_NAND_CS, 1);
286 }
287 
288 /* hardware specific access to control-lines */
em_x270_nand_cmd_ctl(struct mtd_info * mtd,int dat,unsigned int ctrl)289 static void em_x270_nand_cmd_ctl(struct mtd_info *mtd, int dat,
290 				 unsigned int ctrl)
291 {
292 	struct nand_chip *this = mtd->priv;
293 	unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
294 
295 	dsb();
296 
297 	if (ctrl & NAND_CTRL_CHANGE) {
298 		if (ctrl & NAND_ALE)
299 			nandaddr |=  (1 << 3);
300 		else
301 			nandaddr &= ~(1 << 3);
302 		if (ctrl & NAND_CLE)
303 			nandaddr |=  (1 << 2);
304 		else
305 			nandaddr &= ~(1 << 2);
306 		if (ctrl & NAND_NCE)
307 			nand_cs_on();
308 		else
309 			nand_cs_off();
310 	}
311 
312 	dsb();
313 	this->IO_ADDR_W = (void __iomem *)nandaddr;
314 	if (dat != NAND_CMD_NONE)
315 		writel(dat, this->IO_ADDR_W);
316 
317 	dsb();
318 }
319 
320 /* read device ready pin */
em_x270_nand_device_ready(struct mtd_info * mtd)321 static int em_x270_nand_device_ready(struct mtd_info *mtd)
322 {
323 	dsb();
324 
325 	return gpio_get_value(nand_rb);
326 }
327 
328 static struct mtd_partition em_x270_partition_info[] = {
329 	[0] = {
330 		.name	= "em_x270-0",
331 		.offset	= 0,
332 		.size	= SZ_4M,
333 	},
334 	[1] = {
335 		.name	= "em_x270-1",
336 		.offset	= MTDPART_OFS_APPEND,
337 		.size	= MTDPART_SIZ_FULL
338 	},
339 };
340 
341 struct platform_nand_data em_x270_nand_platdata = {
342 	.chip = {
343 		.nr_chips = 1,
344 		.chip_offset = 0,
345 		.nr_partitions = ARRAY_SIZE(em_x270_partition_info),
346 		.partitions = em_x270_partition_info,
347 		.chip_delay = 20,
348 	},
349 	.ctrl = {
350 		.hwcontrol = 0,
351 		.dev_ready = em_x270_nand_device_ready,
352 		.select_chip = 0,
353 		.cmd_ctrl = em_x270_nand_cmd_ctl,
354 	},
355 };
356 
357 static struct resource em_x270_nand_resource[] = {
358 	[0] = {
359 		.start = PXA_CS1_PHYS,
360 		.end   = PXA_CS1_PHYS + 12,
361 		.flags = IORESOURCE_MEM,
362 	},
363 };
364 
365 static struct platform_device em_x270_nand = {
366 	.name		= "gen_nand",
367 	.num_resources	= ARRAY_SIZE(em_x270_nand_resource),
368 	.resource	= em_x270_nand_resource,
369 	.id		= -1,
370 	.dev		= {
371 		.platform_data = &em_x270_nand_platdata,
372 	}
373 };
374 
em_x270_init_nand(void)375 static void __init em_x270_init_nand(void)
376 {
377 	int err;
378 
379 	err = gpio_request(GPIO11_NAND_CS, "NAND CS");
380 	if (err) {
381 		pr_warn("EM-X270: failed to request NAND CS gpio\n");
382 		return;
383 	}
384 
385 	gpio_direction_output(GPIO11_NAND_CS, 1);
386 
387 	err = gpio_request(nand_rb, "NAND R/B");
388 	if (err) {
389 		pr_warn("EM-X270: failed to request NAND R/B gpio\n");
390 		gpio_free(GPIO11_NAND_CS);
391 		return;
392 	}
393 
394 	gpio_direction_input(nand_rb);
395 
396 	platform_device_register(&em_x270_nand);
397 }
398 #else
em_x270_init_nand(void)399 static inline void em_x270_init_nand(void) {}
400 #endif
401 
402 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
403 static struct mtd_partition em_x270_nor_parts[] = {
404 	{
405 		.name =		"Bootloader",
406 		.offset =	0x00000000,
407 		.size =		0x00050000,
408 		.mask_flags =	MTD_WRITEABLE  /* force read-only */
409 	}, {
410 		.name =		"Environment",
411 		.offset =	0x00050000,
412 		.size =		0x00010000,
413 	}, {
414 		.name =		"Reserved",
415 		.offset =	0x00060000,
416 		.size =		0x00050000,
417 		.mask_flags =	MTD_WRITEABLE  /* force read-only */
418 	}, {
419 		.name =		"Splashscreen",
420 		.offset =	0x000b0000,
421 		.size =		0x00050000,
422 	}
423 };
424 
425 static struct physmap_flash_data em_x270_nor_data[] = {
426 	[0] = {
427 		.width = 2,
428 		.parts = em_x270_nor_parts,
429 		.nr_parts = ARRAY_SIZE(em_x270_nor_parts),
430 	},
431 };
432 
433 static struct resource em_x270_nor_flash_resource = {
434 	.start	= PXA_CS0_PHYS,
435 	.end	= PXA_CS0_PHYS + SZ_1M - 1,
436 	.flags	= IORESOURCE_MEM,
437 };
438 
439 static struct platform_device em_x270_physmap_flash = {
440 	.name		= "physmap-flash",
441 	.id		= 0,
442 	.num_resources	= 1,
443 	.resource	= &em_x270_nor_flash_resource,
444 	.dev		= {
445 		.platform_data	= &em_x270_nor_data,
446 	},
447 };
448 
em_x270_init_nor(void)449 static void __init em_x270_init_nor(void)
450 {
451 	platform_device_register(&em_x270_physmap_flash);
452 }
453 #else
em_x270_init_nor(void)454 static inline void em_x270_init_nor(void) {}
455 #endif
456 
457 /* PXA27x OHCI controller setup */
458 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
459 static struct regulator *em_x270_usb_ldo;
460 
em_x270_usb_hub_init(void)461 static int em_x270_usb_hub_init(void)
462 {
463 	int err;
464 
465 	em_x270_usb_ldo = regulator_get(NULL, "vcc usb");
466 	if (IS_ERR(em_x270_usb_ldo))
467 		return PTR_ERR(em_x270_usb_ldo);
468 
469 	err = gpio_request(GPIO9_USB_VBUS_EN, "vbus en");
470 	if (err)
471 		goto err_free_usb_ldo;
472 
473 	err = gpio_request(usb_hub_reset, "hub rst");
474 	if (err)
475 		goto err_free_vbus_gpio;
476 
477 	/* USB Hub power-on and reset */
478 	gpio_direction_output(usb_hub_reset, 1);
479 	gpio_direction_output(GPIO9_USB_VBUS_EN, 0);
480 	err = regulator_enable(em_x270_usb_ldo);
481 	if (err)
482 		goto err_free_rst_gpio;
483 
484 	gpio_set_value(usb_hub_reset, 0);
485 	gpio_set_value(usb_hub_reset, 1);
486 	regulator_disable(em_x270_usb_ldo);
487 	err = regulator_enable(em_x270_usb_ldo);
488 	if (err)
489 		goto err_free_rst_gpio;
490 
491 	gpio_set_value(usb_hub_reset, 0);
492 	gpio_set_value(GPIO9_USB_VBUS_EN, 1);
493 
494 	return 0;
495 
496 err_free_rst_gpio:
497 	gpio_free(usb_hub_reset);
498 err_free_vbus_gpio:
499 	gpio_free(GPIO9_USB_VBUS_EN);
500 err_free_usb_ldo:
501 	regulator_put(em_x270_usb_ldo);
502 
503 	return err;
504 }
505 
em_x270_ohci_init(struct device * dev)506 static int em_x270_ohci_init(struct device *dev)
507 {
508 	int err;
509 
510 	/* we don't want to entirely disable USB if the HUB init failed */
511 	err = em_x270_usb_hub_init();
512 	if (err)
513 		pr_err("USB Hub initialization failed: %d\n", err);
514 
515 	/* enable port 2 transiever */
516 	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE;
517 
518 	return 0;
519 }
520 
em_x270_ohci_exit(struct device * dev)521 static void em_x270_ohci_exit(struct device *dev)
522 {
523 	gpio_free(usb_hub_reset);
524 	gpio_free(GPIO9_USB_VBUS_EN);
525 
526 	if (!IS_ERR(em_x270_usb_ldo)) {
527 		if (regulator_is_enabled(em_x270_usb_ldo))
528 			regulator_disable(em_x270_usb_ldo);
529 
530 		regulator_put(em_x270_usb_ldo);
531 	}
532 }
533 
534 static struct pxaohci_platform_data em_x270_ohci_platform_data = {
535 	.port_mode	= PMM_PERPORT_MODE,
536 	.flags		= ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
537 	.init		= em_x270_ohci_init,
538 	.exit		= em_x270_ohci_exit,
539 };
540 
em_x270_init_ohci(void)541 static void __init em_x270_init_ohci(void)
542 {
543 	pxa_set_ohci_info(&em_x270_ohci_platform_data);
544 }
545 #else
em_x270_init_ohci(void)546 static inline void em_x270_init_ohci(void) {}
547 #endif
548 
549 /* MCI controller setup */
550 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
551 static struct regulator *em_x270_sdio_ldo;
552 
em_x270_mci_init(struct device * dev,irq_handler_t em_x270_detect_int,void * data)553 static int em_x270_mci_init(struct device *dev,
554 			    irq_handler_t em_x270_detect_int,
555 			    void *data)
556 {
557 	int err;
558 
559 	em_x270_sdio_ldo = regulator_get(dev, "vcc sdio");
560 	if (IS_ERR(em_x270_sdio_ldo)) {
561 		dev_err(dev, "can't request SDIO power supply: %ld\n",
562 			PTR_ERR(em_x270_sdio_ldo));
563 		return PTR_ERR(em_x270_sdio_ldo);
564 	}
565 
566 	err = request_irq(gpio_to_irq(mmc_cd), em_x270_detect_int,
567 			      IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
568 			      "MMC card detect", data);
569 	if (err) {
570 		dev_err(dev, "can't request MMC card detect IRQ: %d\n", err);
571 		goto err_irq;
572 	}
573 
574 	if (machine_is_em_x270()) {
575 		err = gpio_request(GPIO95_MMC_WP, "MMC WP");
576 		if (err) {
577 			dev_err(dev, "can't request MMC write protect: %d\n",
578 				err);
579 			goto err_gpio_wp;
580 		}
581 		gpio_direction_input(GPIO95_MMC_WP);
582 	} else {
583 		err = gpio_request(GPIO38_SD_PWEN, "sdio power");
584 		if (err) {
585 			dev_err(dev, "can't request MMC power control : %d\n",
586 				err);
587 			goto err_gpio_wp;
588 		}
589 		gpio_direction_output(GPIO38_SD_PWEN, 1);
590 	}
591 
592 	return 0;
593 
594 err_gpio_wp:
595 	free_irq(gpio_to_irq(mmc_cd), data);
596 err_irq:
597 	regulator_put(em_x270_sdio_ldo);
598 
599 	return err;
600 }
601 
em_x270_mci_setpower(struct device * dev,unsigned int vdd)602 static int em_x270_mci_setpower(struct device *dev, unsigned int vdd)
603 {
604 	struct pxamci_platform_data* p_d = dev->platform_data;
605 
606 	if ((1 << vdd) & p_d->ocr_mask) {
607 		int vdd_uV = (2000 + (vdd - __ffs(MMC_VDD_20_21)) * 100) * 1000;
608 
609 		regulator_set_voltage(em_x270_sdio_ldo, vdd_uV, vdd_uV);
610 		return regulator_enable(em_x270_sdio_ldo);
611 	} else {
612 		regulator_disable(em_x270_sdio_ldo);
613 	}
614 	return 0;
615 }
616 
em_x270_mci_exit(struct device * dev,void * data)617 static void em_x270_mci_exit(struct device *dev, void *data)
618 {
619 	free_irq(gpio_to_irq(mmc_cd), data);
620 	regulator_put(em_x270_sdio_ldo);
621 
622 	if (machine_is_em_x270())
623 		gpio_free(GPIO95_MMC_WP);
624 	else
625 		gpio_free(GPIO38_SD_PWEN);
626 }
627 
em_x270_mci_get_ro(struct device * dev)628 static int em_x270_mci_get_ro(struct device *dev)
629 {
630 	return gpio_get_value(GPIO95_MMC_WP);
631 }
632 
633 static struct pxamci_platform_data em_x270_mci_platform_data = {
634 	.detect_delay_ms	= 250,
635 	.ocr_mask		= MMC_VDD_20_21|MMC_VDD_21_22|MMC_VDD_22_23|
636 				  MMC_VDD_24_25|MMC_VDD_25_26|MMC_VDD_26_27|
637 				  MMC_VDD_27_28|MMC_VDD_28_29|MMC_VDD_29_30|
638 				  MMC_VDD_30_31|MMC_VDD_31_32,
639 	.init 			= em_x270_mci_init,
640 	.setpower 		= em_x270_mci_setpower,
641 	.exit			= em_x270_mci_exit,
642 	.gpio_card_detect	= -1,
643 	.gpio_card_ro		= -1,
644 	.gpio_power		= -1,
645 };
646 
em_x270_init_mmc(void)647 static void __init em_x270_init_mmc(void)
648 {
649 	if (machine_is_em_x270())
650 		em_x270_mci_platform_data.get_ro = em_x270_mci_get_ro;
651 
652 	pxa_set_mci_info(&em_x270_mci_platform_data);
653 }
654 #else
em_x270_init_mmc(void)655 static inline void em_x270_init_mmc(void) {}
656 #endif
657 
658 /* LCD */
659 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
660 static struct pxafb_mode_info em_x270_lcd_modes[] = {
661 	[0] = {
662 		.pixclock	= 38250,
663 		.bpp		= 16,
664 		.xres		= 480,
665 		.yres		= 640,
666 		.hsync_len	= 8,
667 		.vsync_len	= 2,
668 		.left_margin	= 8,
669 		.upper_margin	= 2,
670 		.right_margin	= 24,
671 		.lower_margin	= 4,
672 		.sync		= 0,
673 	},
674 	[1] = {
675 		.pixclock       = 153800,
676 		.bpp		= 16,
677 		.xres		= 240,
678 		.yres		= 320,
679 		.hsync_len	= 8,
680 		.vsync_len	= 2,
681 		.left_margin	= 8,
682 		.upper_margin	= 2,
683 		.right_margin	= 88,
684 		.lower_margin	= 2,
685 		.sync		= 0,
686 	},
687 };
688 
689 static struct pxafb_mach_info em_x270_lcd = {
690 	.modes		= em_x270_lcd_modes,
691 	.num_modes	= 2,
692 	.lcd_conn	= LCD_COLOR_TFT_16BPP,
693 };
694 
em_x270_init_lcd(void)695 static void __init em_x270_init_lcd(void)
696 {
697 	pxa_set_fb_info(NULL, &em_x270_lcd);
698 }
699 #else
em_x270_init_lcd(void)700 static inline void em_x270_init_lcd(void) {}
701 #endif
702 
703 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
704 static struct pxa2xx_spi_master em_x270_spi_info = {
705 	.num_chipselect	= 1,
706 };
707 
708 static struct pxa2xx_spi_chip em_x270_tdo24m_chip = {
709 	.rx_threshold	= 1,
710 	.tx_threshold	= 1,
711 	.gpio_cs	= -1,
712 };
713 
714 static struct tdo24m_platform_data em_x270_tdo24m_pdata = {
715 	.model = TDO35S,
716 };
717 
718 static struct pxa2xx_spi_master em_x270_spi_2_info = {
719 	.num_chipselect	= 1,
720 	.enable_dma	= 1,
721 };
722 
723 static struct pxa2xx_spi_chip em_x270_libertas_chip = {
724 	.rx_threshold	= 1,
725 	.tx_threshold	= 1,
726 	.timeout	= 1000,
727 	.gpio_cs	= 14,
728 };
729 
730 static unsigned long em_x270_libertas_pin_config[] = {
731 	/* SSP2 */
732 	GPIO19_SSP2_SCLK,
733 	GPIO14_GPIO,
734 	GPIO89_SSP2_TXD,
735 	GPIO88_SSP2_RXD,
736 };
737 
em_x270_libertas_setup(struct spi_device * spi)738 static int em_x270_libertas_setup(struct spi_device *spi)
739 {
740 	int err = gpio_request(GPIO115_WLAN_PWEN, "WLAN PWEN");
741 	if (err)
742 		return err;
743 
744 	err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP");
745 	if (err)
746 		goto err_free_pwen;
747 
748 	if (machine_is_exeda()) {
749 		err = gpio_request(GPIO37_WLAN_RST, "WLAN RST");
750 		if (err)
751 			goto err_free_strap;
752 
753 		gpio_direction_output(GPIO37_WLAN_RST, 1);
754 		msleep(100);
755 	}
756 
757 	gpio_direction_output(GPIO19_WLAN_STRAP, 1);
758 	msleep(100);
759 
760 	pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_libertas_pin_config));
761 
762 	gpio_direction_output(GPIO115_WLAN_PWEN, 0);
763 	msleep(100);
764 	gpio_set_value(GPIO115_WLAN_PWEN, 1);
765 	msleep(100);
766 
767 	spi->bits_per_word = 16;
768 	spi_setup(spi);
769 
770 	return 0;
771 
772 err_free_strap:
773 	gpio_free(GPIO19_WLAN_STRAP);
774 err_free_pwen:
775 	gpio_free(GPIO115_WLAN_PWEN);
776 
777 	return err;
778 }
779 
em_x270_libertas_teardown(struct spi_device * spi)780 static int em_x270_libertas_teardown(struct spi_device *spi)
781 {
782 	gpio_set_value(GPIO115_WLAN_PWEN, 0);
783 	gpio_free(GPIO115_WLAN_PWEN);
784 	gpio_free(GPIO19_WLAN_STRAP);
785 
786 	if (machine_is_exeda()) {
787 		gpio_set_value(GPIO37_WLAN_RST, 0);
788 		gpio_free(GPIO37_WLAN_RST);
789 	}
790 
791 	return 0;
792 }
793 
794 struct libertas_spi_platform_data em_x270_libertas_pdata = {
795 	.use_dummy_writes	= 1,
796 	.setup			= em_x270_libertas_setup,
797 	.teardown		= em_x270_libertas_teardown,
798 };
799 
800 static struct spi_board_info em_x270_spi_devices[] __initdata = {
801 	{
802 		.modalias		= "tdo24m",
803 		.max_speed_hz		= 1000000,
804 		.bus_num		= 1,
805 		.chip_select		= 0,
806 		.controller_data	= &em_x270_tdo24m_chip,
807 		.platform_data		= &em_x270_tdo24m_pdata,
808 	},
809 	{
810 		.modalias		= "libertas_spi",
811 		.max_speed_hz		= 13000000,
812 		.bus_num		= 2,
813 		.irq			= PXA_GPIO_TO_IRQ(116),
814 		.chip_select		= 0,
815 		.controller_data	= &em_x270_libertas_chip,
816 		.platform_data		= &em_x270_libertas_pdata,
817 	},
818 };
819 
em_x270_init_spi(void)820 static void __init em_x270_init_spi(void)
821 {
822 	pxa2xx_set_spi_info(1, &em_x270_spi_info);
823 	pxa2xx_set_spi_info(2, &em_x270_spi_2_info);
824 	spi_register_board_info(ARRAY_AND_SIZE(em_x270_spi_devices));
825 }
826 #else
em_x270_init_spi(void)827 static inline void em_x270_init_spi(void) {}
828 #endif
829 
830 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
831 static pxa2xx_audio_ops_t em_x270_ac97_info = {
832 	.reset_gpio = 113,
833 };
834 
em_x270_init_ac97(void)835 static void __init em_x270_init_ac97(void)
836 {
837 	pxa_set_ac97_info(&em_x270_ac97_info);
838 }
839 #else
em_x270_init_ac97(void)840 static inline void em_x270_init_ac97(void) {}
841 #endif
842 
843 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
844 static const unsigned int em_x270_module_matrix_keys[] = {
845 	KEY(0, 0, KEY_A), KEY(1, 0, KEY_UP), KEY(2, 1, KEY_B),
846 	KEY(0, 2, KEY_LEFT), KEY(1, 1, KEY_ENTER), KEY(2, 0, KEY_RIGHT),
847 	KEY(0, 1, KEY_C), KEY(1, 2, KEY_DOWN), KEY(2, 2, KEY_D),
848 };
849 
850 static struct matrix_keymap_data em_x270_matrix_keymap_data = {
851 	.keymap			= em_x270_module_matrix_keys,
852 	.keymap_size		= ARRAY_SIZE(em_x270_module_matrix_keys),
853 };
854 
855 struct pxa27x_keypad_platform_data em_x270_module_keypad_info = {
856 	/* code map for the matrix keys */
857 	.matrix_key_rows	= 3,
858 	.matrix_key_cols	= 3,
859 	.matrix_keymap_data	= &em_x270_matrix_keymap_data,
860 };
861 
862 static const unsigned int em_x270_exeda_matrix_keys[] = {
863 	KEY(0, 0, KEY_RIGHTSHIFT), KEY(0, 1, KEY_RIGHTCTRL),
864 	KEY(0, 2, KEY_RIGHTALT), KEY(0, 3, KEY_SPACE),
865 	KEY(0, 4, KEY_LEFTALT), KEY(0, 5, KEY_LEFTCTRL),
866 	KEY(0, 6, KEY_ENTER), KEY(0, 7, KEY_SLASH),
867 
868 	KEY(1, 0, KEY_DOT), KEY(1, 1, KEY_M),
869 	KEY(1, 2, KEY_N), KEY(1, 3, KEY_B),
870 	KEY(1, 4, KEY_V), KEY(1, 5, KEY_C),
871 	KEY(1, 6, KEY_X), KEY(1, 7, KEY_Z),
872 
873 	KEY(2, 0, KEY_LEFTSHIFT), KEY(2, 1, KEY_SEMICOLON),
874 	KEY(2, 2, KEY_L), KEY(2, 3, KEY_K),
875 	KEY(2, 4, KEY_J), KEY(2, 5, KEY_H),
876 	KEY(2, 6, KEY_G), KEY(2, 7, KEY_F),
877 
878 	KEY(3, 0, KEY_D), KEY(3, 1, KEY_S),
879 	KEY(3, 2, KEY_A), KEY(3, 3, KEY_TAB),
880 	KEY(3, 4, KEY_BACKSPACE), KEY(3, 5, KEY_P),
881 	KEY(3, 6, KEY_O), KEY(3, 7, KEY_I),
882 
883 	KEY(4, 0, KEY_U), KEY(4, 1, KEY_Y),
884 	KEY(4, 2, KEY_T), KEY(4, 3, KEY_R),
885 	KEY(4, 4, KEY_E), KEY(4, 5, KEY_W),
886 	KEY(4, 6, KEY_Q), KEY(4, 7, KEY_MINUS),
887 
888 	KEY(5, 0, KEY_0), KEY(5, 1, KEY_9),
889 	KEY(5, 2, KEY_8), KEY(5, 3, KEY_7),
890 	KEY(5, 4, KEY_6), KEY(5, 5, KEY_5),
891 	KEY(5, 6, KEY_4), KEY(5, 7, KEY_3),
892 
893 	KEY(6, 0, KEY_2), KEY(6, 1, KEY_1),
894 	KEY(6, 2, KEY_ENTER), KEY(6, 3, KEY_END),
895 	KEY(6, 4, KEY_DOWN), KEY(6, 5, KEY_UP),
896 	KEY(6, 6, KEY_MENU), KEY(6, 7, KEY_F1),
897 
898 	KEY(7, 0, KEY_LEFT), KEY(7, 1, KEY_RIGHT),
899 	KEY(7, 2, KEY_BACK), KEY(7, 3, KEY_HOME),
900 	KEY(7, 4, 0), KEY(7, 5, 0),
901 	KEY(7, 6, 0), KEY(7, 7, 0),
902 };
903 
904 static struct matrix_keymap_data em_x270_exeda_matrix_keymap_data = {
905 	.keymap			= em_x270_exeda_matrix_keys,
906 	.keymap_size		= ARRAY_SIZE(em_x270_exeda_matrix_keys),
907 };
908 
909 struct pxa27x_keypad_platform_data em_x270_exeda_keypad_info = {
910 	/* code map for the matrix keys */
911 	.matrix_key_rows	= 8,
912 	.matrix_key_cols	= 8,
913 	.matrix_keymap_data	= &em_x270_exeda_matrix_keymap_data,
914 };
915 
em_x270_init_keypad(void)916 static void __init em_x270_init_keypad(void)
917 {
918 	if (machine_is_em_x270())
919 		pxa_set_keypad_info(&em_x270_module_keypad_info);
920 	else
921 		pxa_set_keypad_info(&em_x270_exeda_keypad_info);
922 }
923 #else
em_x270_init_keypad(void)924 static inline void em_x270_init_keypad(void) {}
925 #endif
926 
927 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
928 static struct gpio_keys_button gpio_keys_button[] = {
929 	[0] = {
930 		.desc	= "sleep/wakeup",
931 		.code	= KEY_SUSPEND,
932 		.type	= EV_PWR,
933 		.gpio	= 1,
934 		.wakeup	= 1,
935 	},
936 };
937 
938 static struct gpio_keys_platform_data em_x270_gpio_keys_data = {
939 	.buttons	= gpio_keys_button,
940 	.nbuttons	= 1,
941 };
942 
943 static struct platform_device em_x270_gpio_keys = {
944 	.name		= "gpio-keys",
945 	.id		= -1,
946 	.dev		= {
947 		.platform_data	= &em_x270_gpio_keys_data,
948 	},
949 };
950 
em_x270_init_gpio_keys(void)951 static void __init em_x270_init_gpio_keys(void)
952 {
953 	platform_device_register(&em_x270_gpio_keys);
954 }
955 #else
em_x270_init_gpio_keys(void)956 static inline void em_x270_init_gpio_keys(void) {}
957 #endif
958 
959 /* Quick Capture Interface and sensor setup */
960 #if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
961 static struct regulator *em_x270_camera_ldo;
962 
em_x270_sensor_init(void)963 static int em_x270_sensor_init(void)
964 {
965 	int ret;
966 
967 	ret = gpio_request(cam_reset, "camera reset");
968 	if (ret)
969 		return ret;
970 
971 	gpio_direction_output(cam_reset, 0);
972 
973 	em_x270_camera_ldo = regulator_get(NULL, "vcc cam");
974 	if (em_x270_camera_ldo == NULL) {
975 		gpio_free(cam_reset);
976 		return -ENODEV;
977 	}
978 
979 	ret = regulator_enable(em_x270_camera_ldo);
980 	if (ret) {
981 		regulator_put(em_x270_camera_ldo);
982 		gpio_free(cam_reset);
983 		return ret;
984 	}
985 
986 	gpio_set_value(cam_reset, 1);
987 
988 	return 0;
989 }
990 
991 struct pxacamera_platform_data em_x270_camera_platform_data = {
992 	.flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
993 		PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
994 	.mclk_10khz = 2600,
995 };
996 
em_x270_sensor_power(struct device * dev,int on)997 static int em_x270_sensor_power(struct device *dev, int on)
998 {
999 	int ret;
1000 	int is_on = regulator_is_enabled(em_x270_camera_ldo);
1001 
1002 	if (on == is_on)
1003 		return 0;
1004 
1005 	gpio_set_value(cam_reset, !on);
1006 
1007 	if (on)
1008 		ret = regulator_enable(em_x270_camera_ldo);
1009 	else
1010 		ret = regulator_disable(em_x270_camera_ldo);
1011 
1012 	if (ret)
1013 		return ret;
1014 
1015 	gpio_set_value(cam_reset, on);
1016 
1017 	return 0;
1018 }
1019 
1020 static struct i2c_board_info em_x270_i2c_cam_info[] = {
1021 	{
1022 		I2C_BOARD_INFO("mt9m111", 0x48),
1023 	},
1024 };
1025 
1026 static struct soc_camera_link iclink = {
1027 	.bus_id		= 0,
1028 	.power		= em_x270_sensor_power,
1029 	.board_info	= &em_x270_i2c_cam_info[0],
1030 	.i2c_adapter_id	= 0,
1031 };
1032 
1033 static struct platform_device em_x270_camera = {
1034 	.name	= "soc-camera-pdrv",
1035 	.id	= -1,
1036 	.dev	= {
1037 		.platform_data = &iclink,
1038 	},
1039 };
1040 
em_x270_init_camera(void)1041 static void  __init em_x270_init_camera(void)
1042 {
1043 	if (em_x270_sensor_init() == 0) {
1044 		pxa_set_camera_info(&em_x270_camera_platform_data);
1045 		platform_device_register(&em_x270_camera);
1046 	}
1047 }
1048 #else
em_x270_init_camera(void)1049 static inline void em_x270_init_camera(void) {}
1050 #endif
1051 
1052 static struct regulator_bulk_data em_x270_gps_consumer_supply = {
1053 	.supply		= "vcc gps",
1054 };
1055 
1056 static struct regulator_userspace_consumer_data em_x270_gps_consumer_data = {
1057 	.name		= "vcc gps",
1058 	.num_supplies	= 1,
1059 	.supplies	= &em_x270_gps_consumer_supply,
1060 };
1061 
1062 static struct platform_device em_x270_gps_userspace_consumer = {
1063 	.name		= "reg-userspace-consumer",
1064 	.id		= 0,
1065 	.dev		= {
1066 		.platform_data = &em_x270_gps_consumer_data,
1067 	},
1068 };
1069 
1070 static struct regulator_bulk_data em_x270_gprs_consumer_supply = {
1071 	.supply		= "vcc gprs",
1072 };
1073 
1074 static struct regulator_userspace_consumer_data em_x270_gprs_consumer_data = {
1075 	.name		= "vcc gprs",
1076 	.num_supplies	= 1,
1077 	.supplies	= &em_x270_gprs_consumer_supply
1078 };
1079 
1080 static struct platform_device em_x270_gprs_userspace_consumer = {
1081 	.name		= "reg-userspace-consumer",
1082 	.id		= 1,
1083 	.dev		= {
1084 		.platform_data = &em_x270_gprs_consumer_data,
1085 	}
1086 };
1087 
1088 static struct platform_device *em_x270_userspace_consumers[] = {
1089 	&em_x270_gps_userspace_consumer,
1090 	&em_x270_gprs_userspace_consumer,
1091 };
1092 
em_x270_userspace_consumers_init(void)1093 static void __init em_x270_userspace_consumers_init(void)
1094 {
1095 	platform_add_devices(ARRAY_AND_SIZE(em_x270_userspace_consumers));
1096 }
1097 
1098 /* DA9030 related initializations */
1099 #define REGULATOR_CONSUMER(_name, _dev_name, _supply)		        \
1100 	static struct regulator_consumer_supply _name##_consumers[] = {	\
1101 		REGULATOR_SUPPLY(_supply, _dev_name),			\
1102 	}
1103 
1104 REGULATOR_CONSUMER(ldo3, "reg-userspace-consumer.0", "vcc gps");
1105 REGULATOR_CONSUMER(ldo5, NULL, "vcc cam");
1106 REGULATOR_CONSUMER(ldo10, "pxa2xx-mci", "vcc sdio");
1107 REGULATOR_CONSUMER(ldo12, NULL, "vcc usb");
1108 REGULATOR_CONSUMER(ldo19, "reg-userspace-consumer.1", "vcc gprs");
1109 REGULATOR_CONSUMER(buck2, NULL, "vcc_core");
1110 
1111 #define REGULATOR_INIT(_ldo, _min_uV, _max_uV, _ops_mask)		\
1112 	static struct regulator_init_data _ldo##_data = {		\
1113 		.constraints = {					\
1114 			.min_uV = _min_uV,				\
1115 			.max_uV = _max_uV,				\
1116 			.state_mem = {					\
1117 				.enabled = 0,				\
1118 			},						\
1119 			.valid_ops_mask = _ops_mask,			\
1120 			.apply_uV = 1,					\
1121 		},							\
1122 		.num_consumer_supplies = ARRAY_SIZE(_ldo##_consumers),	\
1123 		.consumer_supplies = _ldo##_consumers,			\
1124 	};
1125 
1126 REGULATOR_INIT(ldo3, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
1127 REGULATOR_INIT(ldo5, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
1128 REGULATOR_INIT(ldo10, 2000000, 3200000,
1129 	       REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_VOLTAGE);
1130 REGULATOR_INIT(ldo12, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
1131 REGULATOR_INIT(ldo19, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
1132 REGULATOR_INIT(buck2, 1000000, 1650000, REGULATOR_CHANGE_VOLTAGE);
1133 
1134 struct led_info em_x270_led_info = {
1135 	.name = "em-x270:orange",
1136 	.default_trigger = "battery-charging-or-full",
1137 };
1138 
1139 struct power_supply_info em_x270_psy_info = {
1140 	.name = "battery",
1141 	.technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
1142 	.voltage_max_design = 4200000,
1143 	.voltage_min_design = 3000000,
1144 	.use_for_apm = 1,
1145 };
1146 
em_x270_battery_low(void)1147 static void em_x270_battery_low(void)
1148 {
1149 #if defined(CONFIG_APM_EMULATION)
1150 	apm_queue_event(APM_LOW_BATTERY);
1151 #endif
1152 }
1153 
em_x270_battery_critical(void)1154 static void em_x270_battery_critical(void)
1155 {
1156 #if defined(CONFIG_APM_EMULATION)
1157 	apm_queue_event(APM_CRITICAL_SUSPEND);
1158 #endif
1159 }
1160 
1161 struct da9030_battery_info em_x270_batterty_info = {
1162 	.battery_info = &em_x270_psy_info,
1163 
1164 	.charge_milliamp = 1000,
1165 	.charge_millivolt = 4200,
1166 
1167 	.vbat_low = 3600,
1168 	.vbat_crit = 3400,
1169 	.vbat_charge_start = 4100,
1170 	.vbat_charge_stop = 4200,
1171 	.vbat_charge_restart = 4000,
1172 
1173 	.vcharge_min = 3200,
1174 	.vcharge_max = 5500,
1175 
1176 	.tbat_low = 197,
1177 	.tbat_high = 78,
1178 	.tbat_restart = 100,
1179 
1180 	.batmon_interval = 0,
1181 
1182 	.battery_low = em_x270_battery_low,
1183 	.battery_critical = em_x270_battery_critical,
1184 };
1185 
1186 #define DA9030_SUBDEV(_name, _id, _pdata)	\
1187 	{					\
1188 		.name = "da903x-" #_name,	\
1189 		.id = DA9030_ID_##_id,		\
1190 		.platform_data = _pdata,	\
1191 	}
1192 
1193 #define DA9030_LDO(num)	DA9030_SUBDEV(regulator, LDO##num, &ldo##num##_data)
1194 
1195 struct da903x_subdev_info em_x270_da9030_subdevs[] = {
1196 	DA9030_LDO(3),
1197 	DA9030_LDO(5),
1198 	DA9030_LDO(10),
1199 	DA9030_LDO(12),
1200 	DA9030_LDO(19),
1201 
1202 	DA9030_SUBDEV(regulator, BUCK2, &buck2_data),
1203 
1204 	DA9030_SUBDEV(led, LED_PC, &em_x270_led_info),
1205 	DA9030_SUBDEV(backlight, WLED, &em_x270_led_info),
1206 	DA9030_SUBDEV(battery, BAT, &em_x270_batterty_info),
1207 };
1208 
1209 static struct da903x_platform_data em_x270_da9030_info = {
1210 	.num_subdevs = ARRAY_SIZE(em_x270_da9030_subdevs),
1211 	.subdevs = em_x270_da9030_subdevs,
1212 };
1213 
1214 static struct i2c_board_info em_x270_i2c_pmic_info = {
1215 	I2C_BOARD_INFO("da9030", 0x49),
1216 	.irq = PXA_GPIO_TO_IRQ(0),
1217 	.platform_data = &em_x270_da9030_info,
1218 };
1219 
1220 static struct i2c_pxa_platform_data em_x270_pwr_i2c_info = {
1221 	.use_pio = 1,
1222 };
1223 
em_x270_init_da9030(void)1224 static void __init em_x270_init_da9030(void)
1225 {
1226 	pxa27x_set_i2c_power_info(&em_x270_pwr_i2c_info);
1227 	i2c_register_board_info(1, &em_x270_i2c_pmic_info, 1);
1228 }
1229 
1230 static struct pca953x_platform_data exeda_gpio_ext_pdata = {
1231 	.gpio_base = 128,
1232 };
1233 
1234 static struct i2c_board_info exeda_i2c_info[] = {
1235 	{
1236 		I2C_BOARD_INFO("pca9555", 0x21),
1237 		.platform_data = &exeda_gpio_ext_pdata,
1238 	},
1239 };
1240 
1241 static struct i2c_pxa_platform_data em_x270_i2c_info = {
1242 	.fast_mode = 1,
1243 };
1244 
em_x270_init_i2c(void)1245 static void __init em_x270_init_i2c(void)
1246 {
1247 	pxa_set_i2c_info(&em_x270_i2c_info);
1248 
1249 	if (machine_is_exeda())
1250 		i2c_register_board_info(0, ARRAY_AND_SIZE(exeda_i2c_info));
1251 }
1252 
em_x270_module_init(void)1253 static void __init em_x270_module_init(void)
1254 {
1255 	pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config));
1256 
1257 	mmc_cd = GPIO13_MMC_CD;
1258 	nand_rb = GPIO56_NAND_RB;
1259 	dm9000_flags = DM9000_PLATF_32BITONLY;
1260 	cam_reset = GPIO93_CAM_RESET;
1261 	usb_hub_reset = GPIO16_USB_HUB_RESET;
1262 }
1263 
em_x270_exeda_init(void)1264 static void __init em_x270_exeda_init(void)
1265 {
1266 	pxa2xx_mfp_config(ARRAY_AND_SIZE(exeda_pin_config));
1267 
1268 	mmc_cd = GPIO114_MMC_CD;
1269 	nand_rb = GPIO20_NAND_RB;
1270 	dm9000_flags = DM9000_PLATF_16BITONLY;
1271 	cam_reset = GPIO130_CAM_RESET;
1272 	usb_hub_reset = GPIO10_USB_HUB_RESET;
1273 }
1274 
em_x270_init(void)1275 static void __init em_x270_init(void)
1276 {
1277 	pxa2xx_mfp_config(ARRAY_AND_SIZE(common_pin_config));
1278 
1279 	pxa_set_ffuart_info(NULL);
1280 	pxa_set_btuart_info(NULL);
1281 	pxa_set_stuart_info(NULL);
1282 
1283 #ifdef CONFIG_PM
1284 	pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
1285 #endif
1286 
1287 	if (machine_is_em_x270())
1288 		em_x270_module_init();
1289 	else if (machine_is_exeda())
1290 		em_x270_exeda_init();
1291 	else
1292 		panic("Unsupported machine: %d\n", machine_arch_type);
1293 
1294 	em_x270_init_da9030();
1295 	em_x270_init_dm9000();
1296 	em_x270_init_rtc();
1297 	em_x270_init_nand();
1298 	em_x270_init_nor();
1299 	em_x270_init_lcd();
1300 	em_x270_init_mmc();
1301 	em_x270_init_ohci();
1302 	em_x270_init_keypad();
1303 	em_x270_init_gpio_keys();
1304 	em_x270_init_ac97();
1305 	em_x270_init_spi();
1306 	em_x270_init_i2c();
1307 	em_x270_init_camera();
1308 	em_x270_userspace_consumers_init();
1309 
1310 	regulator_has_full_constraints();
1311 }
1312 
1313 MACHINE_START(EM_X270, "Compulab EM-X270")
1314 	.atag_offset	= 0x100,
1315 	.map_io		= pxa27x_map_io,
1316 	.nr_irqs	= PXA_NR_IRQS,
1317 	.init_irq	= pxa27x_init_irq,
1318 	.handle_irq	= pxa27x_handle_irq,
1319 	.init_time	= pxa_timer_init,
1320 	.init_machine	= em_x270_init,
1321 	.restart	= pxa_restart,
1322 MACHINE_END
1323 
1324 MACHINE_START(EXEDA, "Compulab eXeda")
1325 	.atag_offset	= 0x100,
1326 	.map_io		= pxa27x_map_io,
1327 	.nr_irqs	= PXA_NR_IRQS,
1328 	.init_irq	= pxa27x_init_irq,
1329 	.handle_irq	= pxa27x_handle_irq,
1330 	.init_time	= pxa_timer_init,
1331 	.init_machine	= em_x270_init,
1332 	.restart	= pxa_restart,
1333 MACHINE_END
1334