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  1// SPDX-License-Identifier: GPL-2.0
  2//
  3// Machine specific code for the Acer n30, Acer N35, Navman PiN 570,
  4// Yakumo AlphaX and Airis NC05 PDAs.
  5//
  6// Copyright (c) 2003-2005 Simtec Electronics
  7//	Ben Dooks <ben@simtec.co.uk>
  8//
  9// Copyright (c) 2005-2008 Christer Weinigel <christer@weinigel.se>
 10//
 11// There is a wiki with more information about the n30 port at
 12// https://handhelds.org/moin/moin.cgi/AcerN30Documentation .
 13
 14#include <linux/kernel.h>
 15#include <linux/types.h>
 16
 17#include <linux/gpio_keys.h>
 18#include <linux/init.h>
 19#include <linux/gpio.h>
 20#include <linux/gpio/machine.h>
 21#include <linux/input.h>
 22#include <linux/interrupt.h>
 23#include <linux/platform_device.h>
 24#include <linux/serial_core.h>
 25#include <linux/serial_s3c.h>
 26#include <linux/timer.h>
 27#include <linux/io.h>
 28#include <linux/mmc/host.h>
 29
 30#include "hardware-s3c24xx.h"
 31#include <asm/irq.h>
 32#include <asm/mach-types.h>
 33
 34#include <linux/platform_data/fb-s3c2410.h>
 35#include <linux/platform_data/leds-s3c24xx.h>
 36#include "regs-gpio.h"
 37#include "gpio-samsung.h"
 38#include "gpio-cfg.h"
 39
 40#include <asm/mach/arch.h>
 41#include <asm/mach/irq.h>
 42#include <asm/mach/map.h>
 43
 44#include <linux/platform_data/i2c-s3c2410.h>
 45
 46#include "cpu.h"
 47#include "devs.h"
 48#include <linux/platform_data/mmc-s3cmci.h>
 49#include <linux/platform_data/usb-s3c2410_udc.h>
 50
 51#include "s3c24xx.h"
 52
 53static struct map_desc n30_iodesc[] __initdata = {
 54	/* nothing here yet */
 55};
 56
 57static struct s3c2410_uartcfg n30_uartcfgs[] = {
 58	/* Normal serial port */
 59	[0] = {
 60		.hwport	     = 0,
 61		.flags	     = 0,
 62		.ucon	     = 0x2c5,
 63		.ulcon	     = 0x03,
 64		.ufcon	     = 0x51,
 65	},
 66	/* IR port */
 67	[1] = {
 68		.hwport	     = 1,
 69		.flags	     = 0,
 70		.uart_flags  = UPF_CONS_FLOW,
 71		.ucon	     = 0x2c5,
 72		.ulcon	     = 0x43,
 73		.ufcon	     = 0x51,
 74	},
 75	/* On the N30 the bluetooth controller is connected here.
 76	 * On the N35 and variants the GPS receiver is connected here. */
 77	[2] = {
 78		.hwport	     = 2,
 79		.flags	     = 0,
 80		.ucon	     = 0x2c5,
 81		.ulcon	     = 0x03,
 82		.ufcon	     = 0x51,
 83	},
 84};
 85
 86static struct s3c2410_udc_mach_info n30_udc_cfg __initdata = {
 87};
 88
 89static struct gpiod_lookup_table n30_udc_gpio_table = {
 90	.dev_id = "s3c2410-usbgadget",
 91	.table = {
 92		GPIO_LOOKUP("GPIOG", 1, "vbus", GPIO_ACTIVE_HIGH),
 93		GPIO_LOOKUP("GPIOB", 3, "pullup", GPIO_ACTIVE_HIGH),
 94		{ },
 95	},
 96};
 97
 98static struct gpio_keys_button n30_buttons[] = {
 99	{
100		.gpio		= S3C2410_GPF(0),
101		.code		= KEY_POWER,
102		.desc		= "Power",
103		.active_low	= 0,
104	},
105	{
106		.gpio		= S3C2410_GPG(9),
107		.code		= KEY_UP,
108		.desc		= "Thumbwheel Up",
109		.active_low	= 0,
110	},
111	{
112		.gpio		= S3C2410_GPG(8),
113		.code		= KEY_DOWN,
114		.desc		= "Thumbwheel Down",
115		.active_low	= 0,
116	},
117	{
118		.gpio		= S3C2410_GPG(7),
119		.code		= KEY_ENTER,
120		.desc		= "Thumbwheel Press",
121		.active_low	= 0,
122	},
123	{
124		.gpio		= S3C2410_GPF(7),
125		.code		= KEY_HOMEPAGE,
126		.desc		= "Home",
127		.active_low	= 0,
128	},
129	{
130		.gpio		= S3C2410_GPF(6),
131		.code		= KEY_CALENDAR,
132		.desc		= "Calendar",
133		.active_low	= 0,
134	},
135	{
136		.gpio		= S3C2410_GPF(5),
137		.code		= KEY_ADDRESSBOOK,
138		.desc		= "Contacts",
139		.active_low	= 0,
140	},
141	{
142		.gpio		= S3C2410_GPF(4),
143		.code		= KEY_MAIL,
144		.desc		= "Mail",
145		.active_low	= 0,
146	},
147};
148
149static struct gpio_keys_platform_data n30_button_data = {
150	.buttons	= n30_buttons,
151	.nbuttons	= ARRAY_SIZE(n30_buttons),
152};
153
154static struct platform_device n30_button_device = {
155	.name		= "gpio-keys",
156	.id		= -1,
157	.dev		= {
158		.platform_data	= &n30_button_data,
159	}
160};
161
162static struct gpio_keys_button n35_buttons[] = {
163	{
164		.gpio		= S3C2410_GPF(0),
165		.code		= KEY_POWER,
166		.type		= EV_PWR,
167		.desc		= "Power",
168		.active_low	= 0,
169		.wakeup		= 1,
170	},
171	{
172		.gpio		= S3C2410_GPG(9),
173		.code		= KEY_UP,
174		.desc		= "Joystick Up",
175		.active_low	= 0,
176	},
177	{
178		.gpio		= S3C2410_GPG(8),
179		.code		= KEY_DOWN,
180		.desc		= "Joystick Down",
181		.active_low	= 0,
182	},
183	{
184		.gpio		= S3C2410_GPG(6),
185		.code		= KEY_DOWN,
186		.desc		= "Joystick Left",
187		.active_low	= 0,
188	},
189	{
190		.gpio		= S3C2410_GPG(5),
191		.code		= KEY_DOWN,
192		.desc		= "Joystick Right",
193		.active_low	= 0,
194	},
195	{
196		.gpio		= S3C2410_GPG(7),
197		.code		= KEY_ENTER,
198		.desc		= "Joystick Press",
199		.active_low	= 0,
200	},
201	{
202		.gpio		= S3C2410_GPF(7),
203		.code		= KEY_HOMEPAGE,
204		.desc		= "Home",
205		.active_low	= 0,
206	},
207	{
208		.gpio		= S3C2410_GPF(6),
209		.code		= KEY_CALENDAR,
210		.desc		= "Calendar",
211		.active_low	= 0,
212	},
213	{
214		.gpio		= S3C2410_GPF(5),
215		.code		= KEY_ADDRESSBOOK,
216		.desc		= "Contacts",
217		.active_low	= 0,
218	},
219	{
220		.gpio		= S3C2410_GPF(4),
221		.code		= KEY_MAIL,
222		.desc		= "Mail",
223		.active_low	= 0,
224	},
225	{
226		.gpio		= S3C2410_GPF(3),
227		.code		= SW_RADIO,
228		.desc		= "GPS Antenna",
229		.active_low	= 0,
230	},
231	{
232		.gpio		= S3C2410_GPG(2),
233		.code		= SW_HEADPHONE_INSERT,
234		.desc		= "Headphone",
235		.active_low	= 0,
236	},
237};
238
239static struct gpio_keys_platform_data n35_button_data = {
240	.buttons	= n35_buttons,
241	.nbuttons	= ARRAY_SIZE(n35_buttons),
242};
243
244static struct platform_device n35_button_device = {
245	.name		= "gpio-keys",
246	.id		= -1,
247	.num_resources	= 0,
248	.dev		= {
249		.platform_data	= &n35_button_data,
250	}
251};
252
253/* This is the bluetooth LED on the device. */
254
255static struct gpiod_lookup_table n30_blue_led_gpio_table = {
256	.dev_id = "s3c24xx_led.1",
257	.table = {
258		GPIO_LOOKUP("GPG", 6, NULL, GPIO_ACTIVE_HIGH),
259		{ },
260	},
261};
262
263static struct s3c24xx_led_platdata n30_blue_led_pdata = {
264	.name		= "blue_led",
265	.def_trigger	= "",
266};
267
268/* This is the blue LED on the device. Originally used to indicate GPS activity
269 * by flashing. */
270
271static struct gpiod_lookup_table n35_blue_led_gpio_table = {
272	.dev_id = "s3c24xx_led.1",
273	.table = {
274		GPIO_LOOKUP("GPD", 8, NULL, GPIO_ACTIVE_HIGH),
275		{ },
276	},
277};
278
279static struct s3c24xx_led_platdata n35_blue_led_pdata = {
280	.name		= "blue_led",
281	.def_trigger	= "",
282};
283
284/* This LED is driven by the battery microcontroller, and is blinking
285 * red, blinking green or solid green when the battery is low,
286 * charging or full respectively.  By driving GPD9 low, it's possible
287 * to force the LED to blink red, so call that warning LED.  */
288
289static struct gpiod_lookup_table n30_warning_led_gpio_table = {
290	.dev_id = "s3c24xx_led.2",
291	.table = {
292		GPIO_LOOKUP("GPD", 9, NULL, GPIO_ACTIVE_LOW),
293		{ },
294	},
295};
296
297static struct s3c24xx_led_platdata n30_warning_led_pdata = {
298	.name		= "warning_led",
299	.def_trigger	= "",
300};
301
302static struct gpiod_lookup_table n35_warning_led_gpio_table = {
303	.dev_id = "s3c24xx_led.2",
304	.table = {
305		GPIO_LOOKUP("GPD", 9, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN),
306		{ },
307	},
308};
309
310static struct s3c24xx_led_platdata n35_warning_led_pdata = {
311	.name		= "warning_led",
312	.def_trigger	= "",
313};
314
315static struct platform_device n30_blue_led = {
316	.name		= "s3c24xx_led",
317	.id		= 1,
318	.dev		= {
319		.platform_data	= &n30_blue_led_pdata,
320	},
321};
322
323static struct platform_device n35_blue_led = {
324	.name		= "s3c24xx_led",
325	.id		= 1,
326	.dev		= {
327		.platform_data	= &n35_blue_led_pdata,
328	},
329};
330
331static struct platform_device n30_warning_led = {
332	.name		= "s3c24xx_led",
333	.id		= 2,
334	.dev		= {
335		.platform_data	= &n30_warning_led_pdata,
336	},
337};
338
339static struct platform_device n35_warning_led = {
340	.name		= "s3c24xx_led",
341	.id		= 2,
342	.dev		= {
343		.platform_data	= &n35_warning_led_pdata,
344	},
345};
346
347static struct s3c2410fb_display n30_display __initdata = {
348	.type		= S3C2410_LCDCON1_TFT,
349	.width		= 240,
350	.height		= 320,
351	.pixclock	= 170000,
352
353	.xres		= 240,
354	.yres		= 320,
355	.bpp		= 16,
356	.left_margin	= 3,
357	.right_margin	= 40,
358	.hsync_len	= 40,
359	.upper_margin	= 2,
360	.lower_margin	= 3,
361	.vsync_len	= 2,
362
363	.lcdcon5 = S3C2410_LCDCON5_INVVLINE | S3C2410_LCDCON5_INVVFRAME,
364};
365
366static struct s3c2410fb_mach_info n30_fb_info __initdata = {
367	.displays	= &n30_display,
368	.num_displays	= 1,
369	.default_display = 0,
370	.lpcsel		= 0x06,
371};
372
373static void n30_sdi_set_power(unsigned char power_mode, unsigned short vdd)
374{
375	s3c24xx_mci_def_set_power(power_mode, vdd);
376
377	switch (power_mode) {
378	case MMC_POWER_ON:
379	case MMC_POWER_UP:
380		gpio_set_value(S3C2410_GPG(4), 1);
381		break;
382	case MMC_POWER_OFF:
383	default:
384		gpio_set_value(S3C2410_GPG(4), 0);
385		break;
386	}
387}
388
389static struct s3c24xx_mci_pdata n30_mci_cfg __initdata = {
390	.ocr_avail	= MMC_VDD_32_33,
391	.set_power	= n30_sdi_set_power,
392};
393
394static struct gpiod_lookup_table n30_mci_gpio_table = {
395	.dev_id = "s3c2410-sdi",
396	.table = {
397		/* Card detect S3C2410_GPF(1) */
398		GPIO_LOOKUP("GPIOF", 1, "cd", GPIO_ACTIVE_LOW),
399		/* Write protect S3C2410_GPG(10) */
400		GPIO_LOOKUP("GPIOG", 10, "wp", GPIO_ACTIVE_LOW),
401		{ },
402		/* bus pins */
403		GPIO_LOOKUP_IDX("GPIOE",  5, "bus", 0, GPIO_ACTIVE_HIGH),
404		GPIO_LOOKUP_IDX("GPIOE",  6, "bus", 1, GPIO_ACTIVE_HIGH),
405		GPIO_LOOKUP_IDX("GPIOE",  7, "bus", 2, GPIO_ACTIVE_HIGH),
406		GPIO_LOOKUP_IDX("GPIOE",  8, "bus", 3, GPIO_ACTIVE_HIGH),
407		GPIO_LOOKUP_IDX("GPIOE",  9, "bus", 4, GPIO_ACTIVE_HIGH),
408		GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH),
409	},
410};
411
412static struct platform_device *n30_devices[] __initdata = {
413	&s3c_device_lcd,
414	&s3c_device_wdt,
415	&s3c_device_i2c0,
416	&s3c_device_iis,
417	&s3c_device_ohci,
418	&s3c_device_rtc,
419	&s3c_device_usbgadget,
420	&s3c_device_sdi,
421	&n30_button_device,
422	&n30_blue_led,
423	&n30_warning_led,
424};
425
426static struct platform_device *n35_devices[] __initdata = {
427	&s3c_device_lcd,
428	&s3c_device_wdt,
429	&s3c_device_i2c0,
430	&s3c_device_iis,
431	&s3c_device_rtc,
432	&s3c_device_usbgadget,
433	&s3c_device_sdi,
434	&n35_button_device,
435	&n35_blue_led,
436	&n35_warning_led,
437};
438
439static struct s3c2410_platform_i2c __initdata n30_i2ccfg = {
440	.flags		= 0,
441	.slave_addr	= 0x10,
442	.frequency	= 10*1000,
443};
444
445/* Lots of hardcoded stuff, but it sets up the hardware in a useful
446 * state so that we can boot Linux directly from flash. */
447static void __init n30_hwinit(void)
448{
449	/* GPA0-11 special functions -- unknown what they do
450	 * GPA12 N30 special function -- unknown what it does
451	 *       N35/PiN output -- unknown what it does
452	 *
453	 * A12 is nGCS1 on the N30 and an output on the N35/PiN.  I
454	 * don't think it does anything useful on the N30, so I ought
455	 * to make it an output there too since it always driven to 0
456	 * as far as I can tell. */
457	if (machine_is_n30())
458		__raw_writel(0x007fffff, S3C2410_GPACON);
459	if (machine_is_n35())
460		__raw_writel(0x007fefff, S3C2410_GPACON);
461	__raw_writel(0x00000000, S3C2410_GPADAT);
462
463	/* GPB0 TOUT0 backlight level
464	 * GPB1 output 1=backlight on
465	 * GPB2 output IrDA enable 0=transceiver enabled, 1=disabled
466	 * GPB3 output USB D+ pull up 0=disabled, 1=enabled
467	 * GPB4 N30 output -- unknown function
468	 *      N30/PiN GPS control 0=GPS enabled, 1=GPS disabled
469	 * GPB5 output -- unknown function
470	 * GPB6 input -- unknown function
471	 * GPB7 output -- unknown function
472	 * GPB8 output -- probably LCD driver enable
473	 * GPB9 output -- probably LCD VSYNC driver enable
474	 * GPB10 output -- probably LCD HSYNC driver enable
475	 */
476	__raw_writel(0x00154556, S3C2410_GPBCON);
477	__raw_writel(0x00000750, S3C2410_GPBDAT);
478	__raw_writel(0x00000073, S3C2410_GPBUP);
479
480	/* GPC0 input RS232 DCD/DSR/RI
481	 * GPC1 LCD
482	 * GPC2 output RS232 DTR?
483	 * GPC3 input RS232 DCD/DSR/RI
484	 * GPC4 LCD
485	 * GPC5 output 0=NAND write enabled, 1=NAND write protect
486	 * GPC6 input -- unknown function
487	 * GPC7 input charger status 0=charger connected
488	 *      this input can be triggered by power on the USB device
489	 *      port too, but will go back to disconnected soon after.
490	 * GPC8 N30/N35 output -- unknown function, always driven to 1
491	 *      PiN input -- unknown function, always read as 1
492	 *      Make it an input with a pull up for all models.
493	 * GPC9-15 LCD
494	 */
495	__raw_writel(0xaaa80618, S3C2410_GPCCON);
496	__raw_writel(0x0000014c, S3C2410_GPCDAT);
497	__raw_writel(0x0000fef2, S3C2410_GPCUP);
498
499	/* GPD0 input -- unknown function
500	 * GPD1-D7 LCD
501	 * GPD8 N30 output -- unknown function
502	 *      N35/PiN output 1=GPS LED on
503	 * GPD9 output 0=power led blinks red, 1=normal power led function
504	 * GPD10 output -- unknown function
505	 * GPD11-15 LCD drivers
506	 */
507	__raw_writel(0xaa95aaa4, S3C2410_GPDCON);
508	__raw_writel(0x00000601, S3C2410_GPDDAT);
509	__raw_writel(0x0000fbfe, S3C2410_GPDUP);
510
511	/* GPE0-4 I2S audio bus
512	 * GPE5-10 SD/MMC bus
513	 * E11-13 outputs -- unknown function, probably power management
514	 * E14-15 I2C bus connected to the battery controller
515	 */
516	__raw_writel(0xa56aaaaa, S3C2410_GPECON);
517	__raw_writel(0x0000efc5, S3C2410_GPEDAT);
518	__raw_writel(0x0000f81f, S3C2410_GPEUP);
519
520	/* GPF0  input 0=power button pressed
521	 * GPF1  input SD/MMC switch 0=card present
522	 * GPF2  N30 1=reset button pressed (inverted compared to the rest)
523	 *	 N35/PiN 0=reset button pressed
524	 * GPF3  N30/PiN input -- unknown function
525	 *       N35 input GPS antenna position, 0=antenna closed, 1=open
526	 * GPF4  input 0=button 4 pressed
527	 * GPF5  input 0=button 3 pressed
528	 * GPF6  input 0=button 2 pressed
529	 * GPF7  input 0=button 1 pressed
530	 */
531	__raw_writel(0x0000aaaa, S3C2410_GPFCON);
532	__raw_writel(0x00000000, S3C2410_GPFDAT);
533	__raw_writel(0x000000ff, S3C2410_GPFUP);
534
535	/* GPG0  input RS232 DCD/DSR/RI
536	 * GPG1  input 1=USB gadget port has power from a host
537	 * GPG2  N30 input -- unknown function
538	 *       N35/PiN input 0=headphones plugged in, 1=not plugged in
539	 * GPG3  N30 output -- unknown function
540	 *       N35/PiN input with unknown function
541	 * GPG4  N30 output 0=MMC enabled, 1=MMC disabled
542	 * GPG5  N30 output 0=BlueTooth chip disabled, 1=enabled
543	 *       N35/PiN input joystick right
544	 * GPG6  N30 output 0=blue led on, 1=off
545	 *       N35/PiN input joystick left
546	 * GPG7  input 0=thumbwheel pressed
547	 * GPG8  input 0=thumbwheel down
548	 * GPG9  input 0=thumbwheel up
549	 * GPG10 input SD/MMC write protect switch
550	 * GPG11 N30 input -- unknown function
551	 *       N35 output 0=GPS antenna powered, 1=not powered
552	 *       PiN output -- unknown function
553	 * GPG12-15 touch screen functions
554	 *
555	 * The pullups differ between the models, so enable all
556	 * pullups that are enabled on any of the models.
557	 */
558	if (machine_is_n30())
559		__raw_writel(0xff0a956a, S3C2410_GPGCON);
560	if (machine_is_n35())
561		__raw_writel(0xff4aa92a, S3C2410_GPGCON);
562	__raw_writel(0x0000e800, S3C2410_GPGDAT);
563	__raw_writel(0x0000f86f, S3C2410_GPGUP);
564
565	/* GPH0/1/2/3 RS232 serial port
566	 * GPH4/5 IrDA serial port
567	 * GPH6/7  N30 BlueTooth serial port
568	 *         N35/PiN GPS receiver
569	 * GPH8 input -- unknown function
570	 * GPH9 CLKOUT0 HCLK -- unknown use
571	 * GPH10 CLKOUT1 FCLK -- unknown use
572	 *
573	 * The pull ups for H6/H7 are enabled on N30 but not on the
574	 * N35/PiN.  I suppose is useful for a budget model of the N30
575	 * with no bluetooth.  It doesn't hurt to have the pull ups
576	 * enabled on the N35, so leave them enabled for all models.
577	 */
578	__raw_writel(0x0028aaaa, S3C2410_GPHCON);
579	__raw_writel(0x000005ef, S3C2410_GPHDAT);
580	__raw_writel(0x0000063f, S3C2410_GPHUP);
581}
582
583static void __init n30_map_io(void)
584{
585	s3c24xx_init_io(n30_iodesc, ARRAY_SIZE(n30_iodesc));
586	n30_hwinit();
587	s3c24xx_init_uarts(n30_uartcfgs, ARRAY_SIZE(n30_uartcfgs));
588	s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
589}
590
591static void __init n30_init_time(void)
592{
593	s3c2410_init_clocks(12000000);
594	s3c24xx_timer_init();
595}
596
597/* GPB3 is the line that controls the pull-up for the USB D+ line */
598
599static void __init n30_init(void)
600{
601	WARN_ON(gpio_request(S3C2410_GPG(4), "mmc power"));
602
603	s3c24xx_fb_set_platdata(&n30_fb_info);
604	gpiod_add_lookup_table(&n30_udc_gpio_table);
605	s3c24xx_udc_set_platdata(&n30_udc_cfg);
606	gpiod_add_lookup_table(&n30_mci_gpio_table);
607	s3c24xx_mci_set_platdata(&n30_mci_cfg);
608	s3c_i2c0_set_platdata(&n30_i2ccfg);
609
610	/* Turn off suspend on both USB ports, and switch the
611	 * selectable USB port to USB device mode. */
612
613	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
614			      S3C2410_MISCCR_USBSUSPND0 |
615			      S3C2410_MISCCR_USBSUSPND1, 0x0);
616
617	/* Configure the I2S pins (GPE0...GPE4) in correct mode */
618	s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
619			      S3C_GPIO_PULL_NONE);
620
621	if (machine_is_n30()) {
622		/* Turn off suspend on both USB ports, and switch the
623		 * selectable USB port to USB device mode. */
624		s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
625				      S3C2410_MISCCR_USBSUSPND0 |
626				      S3C2410_MISCCR_USBSUSPND1, 0x0);
627
628		/* Disable pull-up and add GPIO tables */
629		s3c_gpio_setpull(S3C2410_GPG(6), S3C_GPIO_PULL_NONE);
630		s3c_gpio_setpull(S3C2410_GPD(9), S3C_GPIO_PULL_NONE);
631		gpiod_add_lookup_table(&n30_blue_led_gpio_table);
632		gpiod_add_lookup_table(&n30_warning_led_gpio_table);
633
634		platform_add_devices(n30_devices, ARRAY_SIZE(n30_devices));
635	}
636
637	if (machine_is_n35()) {
638		/* Turn off suspend and switch the selectable USB port
639		 * to USB device mode.  Turn on suspend for the host
640		 * port since it is not connected on the N35.
641		 *
642		 * Actually, the host port is available at some pads
643		 * on the back of the device, so it would actually be
644		 * possible to add a USB device inside the N35 if you
645		 * are willing to do some hardware modifications. */
646		s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
647				      S3C2410_MISCCR_USBSUSPND0 |
648				      S3C2410_MISCCR_USBSUSPND1,
649				      S3C2410_MISCCR_USBSUSPND0);
650
651		/* Disable pull-up and add GPIO tables */
652		s3c_gpio_setpull(S3C2410_GPD(8), S3C_GPIO_PULL_NONE);
653		s3c_gpio_setpull(S3C2410_GPD(9), S3C_GPIO_PULL_NONE);
654		gpiod_add_lookup_table(&n35_blue_led_gpio_table);
655		gpiod_add_lookup_table(&n35_warning_led_gpio_table);
656
657		platform_add_devices(n35_devices, ARRAY_SIZE(n35_devices));
658	}
659}
660
661MACHINE_START(N30, "Acer-N30")
662	/* Maintainer: Christer Weinigel <christer@weinigel.se>,
663				Ben Dooks <ben-linux@fluff.org>
664	*/
665	.atag_offset	= 0x100,
666	.nr_irqs	= NR_IRQS_S3C2410,
667	.init_time	= n30_init_time,
668	.init_machine	= n30_init,
669	.init_irq	= s3c2410_init_irq,
670	.map_io		= n30_map_io,
671MACHINE_END
672
673MACHINE_START(N35, "Acer-N35")
674	/* Maintainer: Christer Weinigel <christer@weinigel.se>
675	*/
676	.atag_offset	= 0x100,
677	.nr_irqs	= NR_IRQS_S3C2410,
678	.init_time	= n30_init_time,
679	.init_machine	= n30_init,
680	.init_irq	= s3c2410_init_irq,
681	.map_io		= n30_map_io,
682MACHINE_END