2 * linux/arch/arm/mach-s3c2442/mach-gta02.c
4 * S3C2442 Machine Support for the Openmoko Freerunner (GTA02)
6 * Copyright (C) 2006-2007 by Openmoko, Inc.
7 * Author: Harald Welte <laforge@openmoko.org>
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 #include <linux/kernel.h>
28 #include <linux/types.h>
29 #include <linux/interrupt.h>
30 #include <linux/list.h>
31 #include <linux/delay.h>
32 #include <linux/timer.h>
33 #include <linux/init.h>
34 #include <linux/workqueue.h>
35 #include <linux/platform_device.h>
36 #include <linux/serial_core.h>
37 #include <linux/spi/spi.h>
38 #include <linux/spi/spi_gpio.h>
39 #include <linux/spi/spi_bitbang.h>
40 #include <linux/mmc/host.h>
42 #include <linux/mtd/mtd.h>
43 #include <linux/mtd/nand.h>
44 #include <linux/mtd/nand_ecc.h>
45 #include <linux/mtd/partitions.h>
46 #include <linux/mtd/physmap.h>
48 #include <linux/i2c.h>
49 #include <linux/backlight.h>
50 #include <linux/regulator/machine.h>
52 #include <linux/mfd/pcf50633/core.h>
53 #include <linux/mfd/pcf50633/mbc.h>
54 #include <linux/mfd/pcf50633/adc.h>
55 #include <linux/mfd/pcf50633/gpio.h>
56 #include <linux/mfd/pcf50633/pmic.h>
58 #include <linux/lis302dl.h>
60 #include <asm/mach/arch.h>
61 #include <asm/mach/map.h>
62 #include <asm/mach/irq.h>
64 #include <mach/hardware.h>
67 #include <asm/mach-types.h>
69 #include <mach/regs-irq.h>
70 #include <mach/regs-gpio.h>
71 #include <mach/regs-gpioj.h>
76 #include <mach/spi-gpio.h>
77 #include <mach/regs-mem.h>
81 #include <mach/gta02.h>
83 #include <plat/regs-serial.h>
84 #include <plat/nand.h>
85 #include <plat/devs.h>
90 #include <plat/usb-control.h>
91 #include <plat/regs-timer.h>
93 #include <mach/gta02-pm-gsm.h>
94 #include <mach/gta02-pm-gps.h>
95 #include <mach/gta02-pm-wlan.h>
97 #include <linux/jbt6k74.h>
98 #include <linux/glamofb.h>
99 #include <linux/mfd/glamo.h>
101 #include <linux/hdq.h>
102 #include <linux/bq27000_battery.h>
104 #include <linux/touchscreen/ts_filter_chain.h>
105 #ifdef CONFIG_TOUCHSCREEN_FILTER
106 #include <linux/touchscreen/ts_filter_linear.h>
107 #include <linux/touchscreen/ts_filter_mean.h>
108 #include <linux/touchscreen/ts_filter_median.h>
109 #include <linux/touchscreen/ts_filter_group.h>
114 #include <linux/gta02-vibrator.h>
116 /* arbitrates which sensor IRQ owns the shared SPI bus */
117 static spinlock_t motion_irq_lock;
120 /* -------------------------------------------------------------------------------
123 * Calls into vibrator and hdq and based on the return values
124 * determines if we the FIQ source be kept alive
127 #define DIVISOR_FROM_US(x) ((x) << 3)
129 #ifdef CONFIG_HDQ_GPIO_BITBANG
130 #define FIQ_DIVISOR_HDQ DIVISOR_FROM_US(HDQ_SAMPLE_PERIOD_US)
131 extern int hdq_fiq_handler(void);
134 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
135 #define FIQ_DIVISOR_VIBRATOR DIVISOR_FROM_US(100)
136 extern int gta02_vibrator_fiq_handler(void);
139 #if defined(CONFIG_LEDS_GTA02_VIBRATOR) || defined(CONFIG_HDQ_GPIO_BITBANG)
141 /* Global data related to our fiq source */
142 static u32 gta02_fiq_ack_mask;
143 static struct s3c2410_pwm gta02_fiq_pwm_timer;
144 static u16 gta02_fiq_timer_index;
145 static int gta02_fiq_irq;
147 static void gta02_fiq_handler(void)
149 u16 divisor = 0xffff;
151 /* Vibrator servicing */
153 /* disable further timer interrupts if nobody has any work
154 * or adjust rate according to who still has work
156 * CAUTION: it means forground code must disable FIQ around
157 * its own non-atomic S3C2410_INTMSK changes... not common
158 * thankfully and taken care of by the fiq-basis patch
161 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
162 if (gta02_vibrator_fiq_handler())
163 divisor = FIQ_DIVISOR_VIBRATOR;
166 #ifdef CONFIG_HDQ_GPIO_BITBANG
167 if (hdq_fiq_handler())
168 divisor = FIQ_DIVISOR_HDQ;
171 if (divisor == 0xffff) /* mask the fiq irq source */
172 __raw_writel(__raw_readl(S3C2410_INTMSK) | gta02_fiq_ack_mask,
174 else /* still working, maybe at a different rate */
175 __raw_writel(divisor, S3C2410_TCNTB(gta02_fiq_timer_index));
177 __raw_writel(gta02_fiq_ack_mask, S3C2410_SRCPND);
180 static void gta02_fiq_kick(void)
185 /* we have to take care about FIQ because this modification is
186 * non-atomic, FIQ could come in after the read and before the
187 * writeback and its changes to the register would be lost
188 * (platform INTMSK mod code is taken care of already)
190 local_save_flags(flags);
192 /* allow FIQs to resume */
193 __raw_writel(__raw_readl(S3C2410_INTMSK) &
194 ~(1 << (gta02_fiq_irq - S3C2410_CPUIRQ_OFFSET)),
196 tcon = __raw_readl(S3C2410_TCON) & ~S3C2410_TCON_T3START;
197 /* fake the timer to a count of 1 */
198 __raw_writel(1, S3C2410_TCNTB(gta02_fiq_timer_index));
199 __raw_writel(tcon | S3C2410_TCON_T3MANUALUPD, S3C2410_TCON);
200 __raw_writel(tcon | S3C2410_TCON_T3MANUALUPD | S3C2410_TCON_T3START,
202 __raw_writel(tcon | S3C2410_TCON_T3START, S3C2410_TCON);
203 local_irq_restore(flags);
206 static int gta02_fiq_enable(void)
208 int irq_index_fiq = IRQ_TIMER3;
213 gta02_fiq_irq = irq_index_fiq;
214 gta02_fiq_ack_mask = 1 << (irq_index_fiq - S3C2410_CPUIRQ_OFFSET);
215 gta02_fiq_timer_index = (irq_index_fiq - IRQ_TIMER0);
217 /* set up the timer to operate as a pwm device */
219 rc = s3c2410_pwm_init(>a02_fiq_pwm_timer);
223 gta02_fiq_pwm_timer.timerid = PWM0 + gta02_fiq_timer_index;
224 gta02_fiq_pwm_timer.prescaler = (6 - 1) / 2;
225 gta02_fiq_pwm_timer.divider = S3C2410_TCFG1_MUX3_DIV2;
226 /* default rate == ~32us */
227 gta02_fiq_pwm_timer.counter = gta02_fiq_pwm_timer.comparer = 3000;
229 rc = s3c2410_pwm_enable(>a02_fiq_pwm_timer);
233 s3c2410_pwm_start(>a02_fiq_pwm_timer);
235 /* let our selected interrupt be a magic FIQ interrupt */
236 __raw_writel(gta02_fiq_ack_mask, S3C2410_INTMOD);
238 /* it's ready to go as soon as we unmask the source in S3C2410_INTMSK */
241 set_fiq_c_handler(gta02_fiq_handler);
246 printk(KERN_ERR "Could not initialize FIQ for GTA02: %d\n", rc);
251 static void gta02_fiq_disable(void)
253 __raw_writel(0, S3C2410_INTMOD);
255 gta02_fiq_irq = 0; /* no active source interrupt now either */
258 /* -------------------- /GTA02 FIQ Handler ------------------------------------- */
263 * this gets called every 1ms when we paniced.
266 static long gta02_panic_blink(long count)
269 static long last_blink;
272 if (count - last_blink < 100) /* 200ms period, fast blink */
276 s3c2410_gpio_cfgpin(GTA02_GPIO_AUX_LED, S3C2410_GPIO_OUTPUT);
277 s3c2410_gpio_setpin(GTA02_GPIO_AUX_LED, led);
285 * returns PCB revision information in b9,b8 and b2,b1,b0
286 * Pre-GTA02 A6 returns 0x000
287 * GTA02 A6 returns 0x101
291 int gta02_get_pcb_revision(void)
295 static unsigned long pinlist[] = {
302 static int pin_offset[] = {
306 for (n = 0 ; n < ARRAY_SIZE(pinlist); n++) {
308 * set the PCB version GPIO to be pulled-down input
309 * force low briefly first
311 s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_OUTPUT);
312 s3c2410_gpio_setpin(pinlist[n], 0);
313 /* misnomer: it is a pullDOWN in 2442 */
314 s3c2410_gpio_pullup(pinlist[n], 1);
315 s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_INPUT);
319 if (s3c2410_gpio_getpin(pinlist[n]))
320 u |= 1 << pin_offset[n];
323 * when not being interrogated, all of the revision GPIO
324 * are set to output HIGH without pulldown so no current flows
325 * if they are NC or pulled up.
327 s3c2410_gpio_setpin(pinlist[n], 1);
328 s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_OUTPUT);
329 /* misnomer: it is a pullDOWN in 2442 */
330 s3c2410_gpio_pullup(pinlist[n], 0);
336 struct platform_device gta02_resume_reason_device = {
337 .name = "gta02-resume",
341 static struct map_desc gta02_iodesc[] __initdata = {
343 .virtual = 0xe0000000,
344 .pfn = __phys_to_pfn(S3C2410_CS3+0x01000000),
350 #define UCON (S3C2410_UCON_DEFAULT | S3C2443_UCON_RXERR_IRQEN)
351 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
352 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
354 static struct s3c2410_uartcfg gta02_uartcfgs[] = {
379 struct pcf50633 *gta02_pcf;
381 #ifdef CONFIG_CHARGER_PCF50633
382 #ifdef CONFIG_HDQ_GPIO_BITBANG
383 static int gta02_get_charger_online_status(void)
385 struct pcf50633 *pcf = gta02_pcf;
387 return pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ONLINE;
390 static int gta02_get_charger_active_status(void)
392 struct pcf50633 *pcf = gta02_pcf;
394 return pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ACTIVE;
398 #define ADC_NOM_CHG_DETECT_1A 6
399 #define ADC_NOM_CHG_DETECT_USB 43
402 gta02_configure_pmu_for_charger(struct pcf50633 *pcf, void *unused, int res)
406 /* Interpret charger type */
407 if (res < ((ADC_NOM_CHG_DETECT_USB + ADC_NOM_CHG_DETECT_1A) / 2)) {
409 /* Stop GPO driving out now that we have a IA charger */
410 pcf50633_gpio_set(pcf, PCF50633_GPO, 0);
416 pcf50633_mbc_usb_curlim_set(pcf, ma);
419 static struct delayed_work gta02_charger_work;
420 static int gta02_usb_vbus_draw;
422 static void gta02_charger_worker(struct work_struct *work)
424 struct pcf50633 *pcf = gta02_pcf;
426 if (gta02_usb_vbus_draw) {
427 pcf50633_mbc_usb_curlim_set(pcf, gta02_usb_vbus_draw);
430 #ifdef CONFIG_PCF50633_ADC
431 pcf50633_adc_async_read(pcf,
432 PCF50633_ADCC1_MUX_ADCIN1,
433 PCF50633_ADCC1_AVERAGE_16,
434 gta02_configure_pmu_for_charger, NULL);
436 /* If the PCF50633 ADC is disabled we fallback to a 100mA limit for safety. */
437 pcf50633_mbc_usb_curlim_set(pcf, 100);
443 #define GTA02_CHARGER_CONFIGURE_TIMEOUT ((3000 * HZ) / 1000)
444 static void gta02_pmu_event_callback(struct pcf50633 *pcf, int irq)
446 if (irq == PCF50633_IRQ_USBINS) {
447 schedule_delayed_work(>a02_charger_work,
448 GTA02_CHARGER_CONFIGURE_TIMEOUT);
450 } else if (irq == PCF50633_IRQ_USBREM) {
451 cancel_delayed_work_sync(>a02_charger_work);
452 gta02_usb_vbus_draw = 0;
456 static void gta02_pmu_force_shutdown(struct pcf50633 *pcf)
458 pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_OOCSHDWN,
459 PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY);
463 static void gta02_udc_vbus_draw(unsigned int ma)
468 gta02_usb_vbus_draw = ma;
470 schedule_delayed_work(>a02_charger_work,
471 GTA02_CHARGER_CONFIGURE_TIMEOUT);
474 static int gta02_udc_vbus_status(void)
476 struct pcf50633 *pcf = gta02_pcf;
480 return !!(pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ONLINE);
483 #else /* !CONFIG_CHARGER_PCF50633 */
484 #ifdef CONFIG_HDQ_GPIO_BITBANG
485 #define gta02_get_charger_online_status NULL
486 #define gta02_get_charger_active_status NULL
488 #define gta02_pmu_event_callback NULL
489 #define gta02_udc_vbus_draw NULL
490 #define gta02_udc_vbus_status NULL
494 static struct platform_device gta02_pm_gps_dev = {
495 .name = "gta02-pm-gps",
498 static struct platform_device gta02_pm_bt_dev = {
499 .name = "gta02-pm-bt",
502 static struct platform_device gta02_pm_gsm_dev = {
503 .name = "gta02-pm-gsm",
506 static struct platform_device gta02_pm_wlan_dev = {
507 .name = "gta02-pm-wlan",
510 /* this is called when pc50633 is probed, unfortunately quite late in the
511 * day since it is an I2C bus device. Here we can belatedly define some
512 * platform devices with the advantage that we can mark the pcf50633 as the
513 * parent. This makes them get suspended and resumed with their parent
514 * the pcf50633 still around.
517 static struct platform_device gta02_glamo_dev;
518 static void mangle_glamo_res_by_system_rev(void);
520 static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf);
521 static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id);
523 static struct regulator_consumer_supply ldo4_consumers[] = {
525 .dev = >a02_pm_bt_dev.dev,
530 static struct regulator_consumer_supply ldo5_consumers[] = {
532 .dev = >a02_pm_gps_dev.dev,
537 static struct regulator_consumer_supply hcldo_consumers[] = {
539 .dev = >a02_glamo_dev.dev,
544 static char *gta02_batteries[] = {
548 #ifdef CONFIG_CHARGER_PCF50633
550 struct pcf50633_platform_data gta02_pcf_pdata = {
552 [0] = PCF50633_INT1_USBINS |
553 PCF50633_INT1_USBREM |
555 [1] = PCF50633_INT2_ONKEYF,
556 [2] = PCF50633_INT3_ONKEY1S,
557 [3] = PCF50633_INT4_LOWSYS |
558 PCF50633_INT4_LOWBAT |
559 PCF50633_INT4_HIGHTMP,
562 .batteries = gta02_batteries,
563 .num_batteries = ARRAY_SIZE(gta02_batteries),
564 .charging_restart_interval = (900 * HZ),
565 .chg_ref_current_ma = 1000,
568 [PCF50633_REGULATOR_AUTO] = {
573 .valid_modes_mask = REGULATOR_MODE_NORMAL,
581 .num_consumer_supplies = 0,
583 [PCF50633_REGULATOR_DOWN1] = {
588 .valid_modes_mask = REGULATOR_MODE_NORMAL,
593 .num_consumer_supplies = 0,
595 [PCF50633_REGULATOR_DOWN2] = {
600 .valid_modes_mask = REGULATOR_MODE_NORMAL,
608 .num_consumer_supplies = 0,
610 [PCF50633_REGULATOR_HCLDO] = {
615 .valid_modes_mask = REGULATOR_MODE_NORMAL,
616 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
619 .num_consumer_supplies = 1,
620 .consumer_supplies = hcldo_consumers,
622 [PCF50633_REGULATOR_LDO1] = {
624 .name = "GSENSOR_3V3",
627 .valid_modes_mask = REGULATOR_MODE_NORMAL,
630 .num_consumer_supplies = 0,
632 [PCF50633_REGULATOR_LDO2] = {
637 .valid_modes_mask = REGULATOR_MODE_NORMAL,
640 .num_consumer_supplies = 0,
642 [PCF50633_REGULATOR_LDO3] = {
646 .valid_modes_mask = REGULATOR_MODE_NORMAL,
649 .num_consumer_supplies = 0,
651 [PCF50633_REGULATOR_LDO4] = {
656 .valid_modes_mask = REGULATOR_MODE_NORMAL,
659 .num_consumer_supplies = 1,
660 .consumer_supplies = ldo4_consumers,
662 [PCF50633_REGULATOR_LDO5] = {
667 .valid_modes_mask = REGULATOR_MODE_NORMAL,
673 .num_consumer_supplies = 1,
674 .consumer_supplies = ldo5_consumers,
676 [PCF50633_REGULATOR_LDO6] = {
682 .valid_modes_mask = REGULATOR_MODE_NORMAL,
685 .num_consumer_supplies = 0,
687 [PCF50633_REGULATOR_MEMLDO] = {
691 .valid_modes_mask = REGULATOR_MODE_NORMAL,
696 .num_consumer_supplies = 0,
700 .probe_done = gta02_pmu_attach_child_devices,
701 .regulator_registered = gta02_pmu_regulator_registered,
702 .mbc_event_callback = gta02_pmu_event_callback,
703 .force_shutdown = gta02_pmu_force_shutdown,
706 static void mangle_pmu_pdata_by_system_rev(void)
708 struct regulator_init_data *reg_init_data;
710 reg_init_data = gta02_pcf_pdata.reg_init_data;
712 switch (S3C_SYSTEM_REV_ATAG) {
713 case GTA02v1_SYSTEM_REV:
714 /* FIXME: this is only in v1 due to wrong PMU variant */
715 reg_init_data[PCF50633_REGULATOR_DOWN2]
716 .constraints.state_mem.enabled = 1;
718 reg_init_data[PCF50633_REGULATOR_LDO1]
719 .constraints.min_uV = 1300000;
720 reg_init_data[PCF50633_REGULATOR_LDO1]
721 .constraints.max_uV = 1300000;
723 reg_init_data[PCF50633_REGULATOR_LDO5]
724 .constraints.min_uV = 1500000;
725 reg_init_data[PCF50633_REGULATOR_LDO5]
726 .constraints.max_uV = 1500000;
728 reg_init_data[PCF50633_REGULATOR_LDO6]
729 .constraints.min_uV = 0;
730 reg_init_data[PCF50633_REGULATOR_LDO6]
731 .constraints.max_uV = 3300000;
732 reg_init_data[PCF50633_REGULATOR_LDO6]
733 .constraints.apply_uV = 1;
742 #ifdef CONFIG_HDQ_GPIO_BITBANG
743 /* BQ27000 Battery */
745 struct bq27000_platform_data bq27000_pdata = {
748 .hdq_read = hdq_read,
749 .hdq_write = hdq_write,
750 .hdq_initialized = hdq_initialized,
751 .get_charger_online_status = gta02_get_charger_online_status,
752 .get_charger_active_status = gta02_get_charger_active_status
755 struct platform_device bq27000_battery_device = {
756 .name = "bq27000-battery",
758 .platform_data = &bq27000_pdata,
764 static void gta02_hdq_attach_child_devices(struct device *parent_device)
766 switch (S3C_SYSTEM_REV_ATAG) {
767 case GTA02v5_SYSTEM_REV:
768 case GTA02v6_SYSTEM_REV:
769 bq27000_battery_device.dev.parent = parent_device;
770 platform_device_register(&bq27000_battery_device);
777 static void gta02_hdq_gpio_direction_out(void)
779 s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_OUTPUT);
782 static void gta02_hdq_gpio_direction_in(void)
784 s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_INPUT);
787 static void gta02_hdq_gpio_set_value(int val)
790 s3c2410_gpio_setpin(GTA02v5_GPIO_HDQ, val);
793 static int gta02_hdq_gpio_get_value(void)
795 return s3c2410_gpio_getpin(GTA02v5_GPIO_HDQ);
798 static struct resource gta02_hdq_resources[] = {
800 .start = GTA02v5_GPIO_HDQ,
801 .end = GTA02v5_GPIO_HDQ,
805 struct hdq_platform_data gta02_hdq_platform_data = {
806 .attach_child_devices = gta02_hdq_attach_child_devices,
807 .gpio_dir_out = gta02_hdq_gpio_direction_out,
808 .gpio_dir_in = gta02_hdq_gpio_direction_in,
809 .gpio_set = gta02_hdq_gpio_set_value,
810 .gpio_get = gta02_hdq_gpio_get_value,
812 .enable_fiq = gta02_fiq_enable,
813 .disable_fiq = gta02_fiq_disable,
814 .kick_fiq = gta02_fiq_kick,
818 struct platform_device gta02_hdq_device = {
821 .resource = gta02_hdq_resources,
823 .platform_data = >a02_hdq_platform_data,
829 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
830 /* vibrator (child of FIQ) */
832 static struct resource gta02_vibrator_resources[] = {
834 .start = GTA02_GPIO_VIBRATOR_ON,
835 .end = GTA02_GPIO_VIBRATOR_ON,
838 struct gta02_vib_platform_data gta02_vib_pdata = {
839 .enable_fiq = gta02_fiq_enable,
840 .disable_fiq = gta02_fiq_disable,
841 .kick_fiq = gta02_fiq_kick,
844 static struct platform_device gta02_vibrator_dev = {
845 .name = "gta02-vibrator",
846 .num_resources = ARRAY_SIZE(gta02_vibrator_resources),
847 .resource = gta02_vibrator_resources,
849 .platform_data = >a02_vib_pdata,
856 #define GTA02_FLASH_BASE S3C2410_CS3 /* GCS3 */
857 #define GTA02_FLASH_SIZE 0x200000 /* 2MBytes */
859 static struct physmap_flash_data gta02_nor_flash_data = {
863 static struct resource gta02_nor_flash_resource = {
864 .start = GTA02_FLASH_BASE,
865 .end = GTA02_FLASH_BASE + GTA02_FLASH_SIZE - 1,
866 .flags = IORESOURCE_MEM,
869 static struct platform_device gta02_nor_flash = {
870 .name = "physmap-flash",
873 .platform_data = >a02_nor_flash_data,
875 .resource = >a02_nor_flash_resource,
880 struct platform_device s3c24xx_pwm_device = {
881 .name = "s3c24xx_pwm",
885 static struct i2c_board_info gta02_i2c_devs[] __initdata = {
887 I2C_BOARD_INFO("pcf50633", 0x73),
888 .irq = GTA02_IRQ_PCF50633,
889 .platform_data = >a02_pcf_pdata,
892 I2C_BOARD_INFO("wm8753", 0x1a),
896 static struct s3c2410_nand_set gta02_nand_sets[] = {
898 .name = "neo1973-nand",
900 .flags = S3C2410_NAND_BBT,
904 /* choose a set of timings derived from S3C@2442B MCP54
905 * data sheet (K5D2G13ACM-D075 MCP Memory)
908 static struct s3c2410_platform_nand gta02_nand_info = {
912 .nr_sets = ARRAY_SIZE(gta02_nand_sets),
913 .sets = gta02_nand_sets,
918 static void gta02_s3c_mmc_set_power(unsigned char power_mode,
921 static int is_on = -1;
924 on = power_mode == MMC_POWER_ON || power_mode == MMC_POWER_UP;
926 gta02_wlan_reset(!on);
931 static struct s3c24xx_mci_pdata gta02_s3c_mmc_cfg = {
932 .set_power = gta02_s3c_mmc_set_power,
935 static void gta02_udc_command(enum s3c2410_udc_cmd_e cmd)
938 case S3C2410_UDC_P_ENABLE:
939 printk(KERN_DEBUG "%s S3C2410_UDC_P_ENABLE\n", __func__);
940 s3c2410_gpio_setpin(GTA02_GPIO_USB_PULLUP, 1);
942 case S3C2410_UDC_P_DISABLE:
943 printk(KERN_DEBUG "%s S3C2410_UDC_P_DISABLE\n", __func__);
944 s3c2410_gpio_setpin(GTA02_GPIO_USB_PULLUP, 0);
946 case S3C2410_UDC_P_RESET:
947 printk(KERN_DEBUG "%s S3C2410_UDC_P_RESET\n", __func__);
955 /* get PMU to set USB current limit accordingly */
957 static struct s3c2410_udc_mach_info gta02_udc_cfg = {
958 .vbus_draw = gta02_udc_vbus_draw,
959 .udc_command = gta02_udc_command,
960 /* .get_vbus_status = gta02_udc_vbus_status,*/
964 /* Touchscreen configuration. */
966 #ifdef CONFIG_TOUCHSCREEN_FILTER
967 const static struct ts_filter_group_configuration gta02_ts_group = {
970 .threshold = 6, /* At least half of the points in a group. */
974 const static struct ts_filter_median_configuration gta02_ts_median = {
976 .decimation_below = 3,
977 .decimation_threshold = 8 * 3,
978 .decimation_above = 4,
981 const static struct ts_filter_mean_configuration gta02_ts_mean = {
985 const static struct ts_filter_linear_configuration gta02_ts_linear = {
986 .constants = {1, 0, 0, 0, 1, 0, 1}, /* Don't modify coords. */
992 const static struct ts_filter_chain_configuration gta02_filter_configuration[] =
994 #ifdef CONFIG_TOUCHSCREEN_FILTER
995 {&ts_filter_group_api, >a02_ts_group.config},
996 {&ts_filter_median_api, >a02_ts_median.config},
997 {&ts_filter_mean_api, >a02_ts_mean.config},
998 {&ts_filter_linear_api, >a02_ts_linear.config},
1003 const static struct s3c2410_ts_mach_info gta02_ts_cfg = {
1005 .presc = 0xff, /* slow as we can go */
1006 .filter_config = gta02_filter_configuration,
1011 static void gta02_bl_set_intensity(int intensity)
1013 struct pcf50633 *pcf = gta02_pcf;
1014 int old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
1020 * One code path that leads here is from a kernel panic. Trying to turn
1021 * the backlight on just gives us a nearly endless stream of complaints
1022 * and accomplishes nothing. We can't win. Just give up.
1024 * In the unlikely event that there's another path leading here while
1025 * we're atomic, we print at least a warning.
1029 "gta02_bl_set_intensity called while atomic\n");
1033 if (!(pcf50633_reg_read(pcf, PCF50633_REG_LEDENA) & 3))
1036 old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
1038 if (intensity == old_intensity)
1041 /* We can't do this anywhere else */
1042 pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 5);
1045 * The PCF50633 cannot handle LEDOUT = 0 (datasheet p60)
1046 * if seen, you have to re-enable the LED unit
1048 if (!intensity || !old_intensity)
1049 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0);
1051 if (!intensity) /* illegal to set LEDOUT to 0 */
1052 ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
1055 ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
1059 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 2);
1063 static struct generic_bl_info gta02_bl_info = {
1065 .max_intensity = 0xff,
1066 .default_intensity = 0xff,
1067 .set_bl_intensity = gta02_bl_set_intensity,
1070 static struct platform_device gta02_bl_dev = {
1071 .name = "generic-bl",
1074 .platform_data = >a02_bl_info,
1078 /* SPI: LCM control interface attached to Glamo3362 */
1080 static void gta02_jbt6k74_reset(int devidx, int level)
1082 gpio_set_value(GTA02_GPIO_GLAMO(4), level);
1085 static void gta02_jbt6k74_probe_completed(struct device *dev)
1087 struct pcf50633 *pcf = gta02_pcf;
1089 /* Switch on backlight. Qi does not do it for us */
1090 pcf50633_reg_write(pcf, PCF50633_REG_LEDOUT, 0x01);
1091 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x00);
1092 pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 0x01);
1093 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x01);
1095 gta02_bl_dev.dev.parent = dev;
1096 platform_device_register(>a02_bl_dev);
1099 const struct jbt6k74_platform_data jbt6k74_pdata = {
1100 .reset = gta02_jbt6k74_reset,
1101 .probe_completed = gta02_jbt6k74_probe_completed,
1104 /*----------- SPI: Accelerometers attached to SPI of s3c244x ----------------- */
1106 void gta02_lis302dl_suspend_io(struct lis302dl_info *lis, int resume)
1108 struct lis302dl_platform_data *pdata = lis->pdata;
1112 * we don't want to power them with a high level
1113 * because GSENSOR_3V3 is not up during suspend
1115 s3c2410_gpio_setpin(pdata->pin_chip_select, 0);
1116 s3c2410_gpio_setpin(pdata->pin_clk, 0);
1117 s3c2410_gpio_setpin(pdata->pin_mosi, 0);
1118 /* misnomer: it is a pullDOWN in 2442 */
1119 s3c2410_gpio_pullup(pdata->pin_miso, 1);
1123 /* back to normal */
1124 s3c2410_gpio_setpin(pdata->pin_chip_select, 1);
1125 s3c2410_gpio_setpin(pdata->pin_clk, 1);
1126 /* misnomer: it is a pullDOWN in 2442 */
1127 s3c2410_gpio_pullup(pdata->pin_miso, 0);
1129 s3c2410_gpio_cfgpin(pdata->pin_chip_select, S3C2410_GPIO_OUTPUT);
1130 s3c2410_gpio_cfgpin(pdata->pin_clk, S3C2410_GPIO_OUTPUT);
1131 s3c2410_gpio_cfgpin(pdata->pin_mosi, S3C2410_GPIO_OUTPUT);
1132 s3c2410_gpio_cfgpin(pdata->pin_miso, S3C2410_GPIO_INPUT);
1136 struct lis302dl_platform_data lis302_pdata_top = {
1137 .name = "lis302-1 (top)",
1138 .pin_chip_select= S3C2410_GPD12,
1139 .pin_clk = S3C2410_GPG7,
1140 .pin_mosi = S3C2410_GPG6,
1141 .pin_miso = S3C2410_GPG5,
1142 .interrupt = GTA02_IRQ_GSENSOR_1,
1143 .open_drain = 1, /* altered at runtime by PCB rev */
1144 .lis302dl_suspend_io = gta02_lis302dl_suspend_io,
1147 struct lis302dl_platform_data lis302_pdata_bottom = {
1148 .name = "lis302-2 (bottom)",
1149 .pin_chip_select= S3C2410_GPD13,
1150 .pin_clk = S3C2410_GPG7,
1151 .pin_mosi = S3C2410_GPG6,
1152 .pin_miso = S3C2410_GPG5,
1153 .interrupt = GTA02_IRQ_GSENSOR_2,
1154 .open_drain = 1, /* altered at runtime by PCB rev */
1155 .lis302dl_suspend_io = gta02_lis302dl_suspend_io,
1158 static struct spi_board_info gta02_spi_board_info[] = {
1160 .modalias = "jbt6k74",
1161 .platform_data = &jbt6k74_pdata,
1162 .controller_data = (void*)GTA02_GPIO_GLAMO(12),
1164 .max_speed_hz = 100 * 1000,
1169 .modalias = "lis302dl",
1171 .platform_data = &lis302_pdata_top,
1172 /* controller_data */
1174 .max_speed_hz = 100 * 1000,
1180 .modalias = "lis302dl",
1182 .platform_data = &lis302_pdata_bottom,
1183 /* controller_data */
1185 .max_speed_hz = 100 * 1000,
1192 static void gta02_lis302_chip_select(struct s3c2410_spigpio_info *info, int csid, int cs)
1196 * Huh... "quirk"... CS on this device is not really "CS" like you can
1199 * When it is 0 it selects SPI interface mode.
1200 * When it is 1 it selects I2C interface mode.
1202 * Because we have 2 devices on one interface we have to make sure
1203 * that the "disabled" device (actually in I2C mode) don't think we're
1206 * When we talk to the "enabled" device, the "disabled" device sees
1207 * the clocks as I2C clocks, creating havoc.
1209 * I2C sees MOSI going LOW while CLK HIGH as a START action, thus we
1210 * must ensure this is never issued.
1213 int cs_gpio, other_cs_gpio;
1215 cs_gpio = csid ? S3C2410_GPD13 : S3C2410_GPD12;
1216 other_cs_gpio = (1 - csid) ? S3C2410_GPD13 : S3C2410_GPD12;
1219 if (cs == BITBANG_CS_ACTIVE) {
1220 s3c2410_gpio_setpin(other_cs_gpio, 1);
1221 s3c2410_gpio_setpin(cs_gpio, 1);
1222 s3c2410_gpio_setpin(info->pin_clk, 1);
1223 s3c2410_gpio_setpin(cs_gpio, 0);
1225 s3c2410_gpio_setpin(cs_gpio, 1);
1226 s3c2410_gpio_setpin(other_cs_gpio, 1);
1230 static struct s3c2410_spigpio_info gta02_spigpio_cfg = {
1231 .pin_clk = S3C2410_GPG7,
1232 .pin_mosi = S3C2410_GPG6,
1233 .pin_miso = S3C2410_GPG5,
1235 .num_chipselect = 2,
1236 .chip_select = gta02_lis302_chip_select,
1237 .non_blocking_transfer = 1,
1240 static struct platform_device gta02_spi_gpio_dev = {
1241 .name = "spi_s3c24xx_gpio",
1243 .platform_data = >a02_spigpio_cfg,
1247 /*----------- / SPI: Accelerometers attached to SPI of s3c244x ----------------- */
1249 static struct resource gta02_led_resources[] = {
1251 .name = "gta02-power:orange",
1252 .start = GTA02_GPIO_PWR_LED1,
1253 .end = GTA02_GPIO_PWR_LED1,
1255 .name = "gta02-power:blue",
1256 .start = GTA02_GPIO_PWR_LED2,
1257 .end = GTA02_GPIO_PWR_LED2,
1259 .name = "gta02-aux:red",
1260 .start = GTA02_GPIO_AUX_LED,
1261 .end = GTA02_GPIO_AUX_LED,
1265 struct platform_device gta02_led_dev = {
1266 .name = "gta02-led",
1267 .num_resources = ARRAY_SIZE(gta02_led_resources),
1268 .resource = gta02_led_resources,
1271 static struct resource gta02_button_resources[] = {
1273 .start = GTA02_GPIO_AUX_KEY,
1274 .end = GTA02_GPIO_AUX_KEY,
1277 .start = GTA02_GPIO_HOLD_KEY,
1278 .end = GTA02_GPIO_HOLD_KEY,
1281 .start = GTA02_GPIO_JACK_INSERT,
1282 .end = GTA02_GPIO_JACK_INSERT,
1294 static struct platform_device gta02_button_dev = {
1295 .name = "gta02-button",
1296 .num_resources = ARRAY_SIZE(gta02_button_resources),
1297 .resource = gta02_button_resources,
1300 static struct platform_device gta02_pm_usbhost_dev = {
1301 .name = "gta02-pm-host",
1306 static struct s3c2410_hcd_info gta02_usb_info = {
1308 .flags = S3C_HCDFLG_USED,
1315 static int glamo_irq_is_wired(void)
1321 * GTA02 S-Media IRQs prior to A5 are broken due to a lack of
1322 * a pullup on the INT# line. Check for the bad behaviour.
1324 s3c2410_gpio_setpin(S3C2410_GPG4, 0);
1325 s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_OUTP);
1326 s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_INP);
1328 * we force it low ourselves for a moment and resume being input.
1329 * If there is a pullup, it won't stay low for long. But if the
1330 * level converter is there as on < A5 revision, the weak keeper
1331 * on the input of the LC will hold the line low indefinitiely
1334 rc = s3c2410_gpio_getpin(S3C2410_GPG4);
1335 while ((!rc) && ((count++) < 10));
1336 if (rc) { /* it got pulled back up, it's good */
1337 printk(KERN_INFO "Detected S-Media IRQ# pullup, "
1338 "enabling interrupt\n");
1340 } else /* Gah we can't work with this level converter */
1341 printk(KERN_WARNING "** Detected bad IRQ# circuit found"
1342 " on pre-A5 GTA02: S-Media interrupt disabled **\n");
1346 /* Smedia Glamo 3362 */
1349 * we crank down SD Card clock dynamically when GPS is powered
1352 static int gta02_glamo_mci_use_slow(void)
1354 return gta02_pm_gps_is_on();
1357 static void gta02_glamo_external_reset(int level)
1359 s3c2410_gpio_setpin(GTA02_GPIO_3D_RESET, level);
1360 s3c2410_gpio_cfgpin(GTA02_GPIO_3D_RESET, S3C2410_GPIO_OUTPUT);
1364 static struct fb_videomode gta02_glamo_modes[] = {
1376 .vmode = FB_VMODE_NONINTERLACED,
1388 .vmode = FB_VMODE_NONINTERLACED,
1392 static struct fb_videomode gta02_glamo_modes[] = {
1404 .vmode = FB_VMODE_NONINTERLACED,
1416 .vmode = FB_VMODE_NONINTERLACED,
1421 static struct glamo_fb_platform_data gta02_glamo_fb_pdata = {
1425 .num_modes = ARRAY_SIZE(gta02_glamo_modes),
1426 .modes = gta02_glamo_modes,
1429 static struct glamo_mmc_platform_data gta02_glamo_mmc_pdata = {
1430 .glamo_mmc_use_slow = gta02_glamo_mci_use_slow,
1433 static struct glamo_platform_data gta02_glamo_pdata = {
1434 .fb_data = >a02_glamo_fb_pdata,
1435 .mmc_data = >a02_glamo_mmc_pdata,
1436 .gpio_base = GTA02_GPIO_GLAMO_BASE,
1438 .osci_clock_rate = 32768,
1440 .glamo_irq_is_wired = glamo_irq_is_wired,
1441 .glamo_external_reset = gta02_glamo_external_reset,
1444 static struct resource gta02_glamo_resources[] = {
1446 .start = S3C2410_CS1,
1447 .end = S3C2410_CS1 + 0x1000000 - 1,
1448 .flags = IORESOURCE_MEM,
1451 .start = GTA02_IRQ_3D,
1452 .end = GTA02_IRQ_3D,
1453 .flags = IORESOURCE_IRQ,
1456 .start = GTA02_GPIO_3D_RESET,
1457 .end = GTA02_GPIO_3D_RESET,
1461 static struct platform_device gta02_glamo_dev = {
1462 .name = "glamo3362",
1463 .num_resources = ARRAY_SIZE(gta02_glamo_resources),
1464 .resource = gta02_glamo_resources,
1466 .platform_data = >a02_glamo_pdata,
1470 static void mangle_glamo_res_by_system_rev(void)
1472 switch (S3C_SYSTEM_REV_ATAG) {
1473 case GTA02v1_SYSTEM_REV:
1476 gta02_glamo_resources[2].start = GTA02_GPIO_3D_RESET;
1477 gta02_glamo_resources[2].end = GTA02_GPIO_3D_RESET;
1481 switch (S3C_SYSTEM_REV_ATAG) {
1482 case GTA02v1_SYSTEM_REV:
1483 case GTA02v2_SYSTEM_REV:
1484 case GTA02v3_SYSTEM_REV:
1485 /* case GTA02v4_SYSTEM_REV: - FIXME: handle this later */
1486 /* The hardware is missing a pull-up resistor and thus can't
1487 * support the Smedia Glamo IRQ */
1488 gta02_glamo_resources[1].start = 0;
1489 gta02_glamo_resources[1].end = 0;
1494 struct spi_gpio_platform_data spigpio_platform_data = {
1495 .sck = GTA02_GPIO_GLAMO(10),
1496 .mosi = GTA02_GPIO_GLAMO(11),
1497 .miso = GTA02_GPIO_GLAMO(5),
1498 .num_chipselect = 1,
1501 static struct platform_device spigpio_device = {
1505 .platform_data = &spigpio_platform_data,
1506 .parent = >a02_glamo_dev.dev,
1510 static void __init gta02_map_io(void)
1512 s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc));
1513 s3c24xx_init_clocks(12000000);
1514 s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs));
1517 static irqreturn_t gta02_modem_irq(int irq, void *param)
1519 /* printk(KERN_DEBUG "modem wakeup interrupt\n");*/
1520 gta_gsm_interrupts++;
1524 static irqreturn_t ar6000_wow_irq(int irq, void *param)
1526 /* printk(KERN_DEBUG "ar6000_wow interrupt\n");*/
1533 static char hardware_ecc_str[4] __initdata = "";
1535 static int __init hardware_ecc_setup(char *str)
1538 strlcpy(hardware_ecc_str, str, sizeof(hardware_ecc_str));
1542 __setup("hardware_ecc=", hardware_ecc_setup);
1544 /* these are the guys that don't need to be children of PMU */
1546 static struct platform_device *gta02_devices[] __initdata = {
1550 &s3c_device_usbgadget,
1554 &s3c24xx_pwm_device,
1556 >a02_pm_wlan_dev, /* not dependent on PMU */
1561 /* these guys DO need to be children of PMU */
1563 static struct platform_device *gta02_devices_pmu_children[] = {
1564 &s3c_device_ts, /* input 1 */
1566 >a02_pm_usbhost_dev,
1567 >a02_spi_gpio_dev, /* input 2 and 3 */
1568 >a02_button_dev, /* input 4 */
1569 >a02_resume_reason_device,
1572 static void gta02_register_glamo(void)
1574 platform_device_register(>a02_glamo_dev);
1575 if (gpio_request(GTA02_GPIO_GLAMO(4), "jbt6k74 reset"))
1576 printk("gta02: Failed to request jbt6k74 reset pin\n");
1577 if (gpio_direction_output(GTA02_GPIO_GLAMO(4), 1))
1578 printk("gta02: Failed to configure jbt6k74 reset pin\n");
1579 platform_device_register(&spigpio_device);
1582 static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id)
1584 struct platform_device *regulator, *pdev;
1588 regulator = pcf->regulator_pdev[id];
1591 case PCF50633_REGULATOR_LDO4:
1592 pdev = >a02_pm_bt_dev;
1594 case PCF50633_REGULATOR_LDO5:
1595 pdev = >a02_pm_gps_dev;
1597 case PCF50633_REGULATOR_HCLDO:
1598 gta02_register_glamo();
1604 pdev->dev.parent = ®ulator->dev;
1605 platform_device_register(pdev);
1608 /* this is called when pc50633 is probed, unfortunately quite late in the
1609 * day since it is an I2C bus device. Here we can belatedly define some
1610 * platform devices with the advantage that we can mark the pcf50633 as the
1611 * parent. This makes them get suspended and resumed with their parent
1612 * the pcf50633 still around.
1615 static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf)
1619 for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++)
1620 gta02_devices_pmu_children[n]->dev.parent = pcf->dev;
1622 mangle_glamo_res_by_system_rev();
1623 platform_add_devices(gta02_devices_pmu_children,
1624 ARRAY_SIZE(gta02_devices_pmu_children));
1626 regulator_has_full_constraints();
1629 static void gta02_poweroff(void)
1631 pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN,
1632 PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY);
1635 static void __init gta02_machine_init(void)
1639 /* set the panic callback to make AUX blink fast */
1640 panic_blink = gta02_panic_blink;
1642 switch (S3C_SYSTEM_REV_ATAG) {
1643 case GTA02v6_SYSTEM_REV:
1644 /* we need push-pull interrupt from motion sensors */
1645 lis302_pdata_top.open_drain = 0;
1646 lis302_pdata_bottom.open_drain = 0;
1652 spin_lock_init(&motion_irq_lock);
1654 #ifdef CONFIG_CHARGER_PCF50633
1655 INIT_DELAYED_WORK(>a02_charger_work, gta02_charger_worker);
1658 /* Glamo chip select optimization */
1659 /* *((u32 *)(S3C2410_MEMREG(((1 + 1) << 2)))) = 0x1280; */
1661 /* do not force soft ecc if we are asked to use hardware_ecc */
1662 if (hardware_ecc_str[0] == '1')
1663 gta02_nand_info.software_ecc = 0;
1665 s3c_device_usb.dev.platform_data = >a02_usb_info;
1666 s3c_device_nand.dev.platform_data = >a02_nand_info;
1667 s3c_device_sdi.dev.platform_data = >a02_s3c_mmc_cfg;
1669 /* acc sensor chip selects */
1670 s3c2410_gpio_setpin(S3C2410_GPD12, 1);
1671 s3c2410_gpio_cfgpin(S3C2410_GPD12, S3C2410_GPIO_OUTPUT);
1672 s3c2410_gpio_setpin(S3C2410_GPD13, 1);
1673 s3c2410_gpio_cfgpin(S3C2410_GPD13, S3C2410_GPIO_OUTPUT);
1676 s3c24xx_udc_set_platdata(>a02_udc_cfg);
1677 s3c_i2c0_set_platdata(NULL);
1678 set_s3c2410ts_info(>a02_ts_cfg);
1680 mangle_glamo_res_by_system_rev();
1682 i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs));
1683 spi_register_board_info(gta02_spi_board_info,
1684 ARRAY_SIZE(gta02_spi_board_info));
1686 #ifdef CONFIG_CHARGER_PCF50633
1687 mangle_pmu_pdata_by_system_rev();
1690 platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices));
1694 /* Make sure the modem can wake us up */
1695 set_irq_type(GTA02_IRQ_MODEM, IRQ_TYPE_EDGE_RISING);
1696 rc = request_irq(GTA02_IRQ_MODEM, gta02_modem_irq, IRQF_DISABLED,
1699 printk(KERN_ERR "GTA02: can't request GSM modem wakeup IRQ\n");
1700 enable_irq_wake(GTA02_IRQ_MODEM);
1702 /* Make sure the wifi module can wake us up*/
1703 set_irq_type(GTA02_IRQ_WLAN_GPIO1, IRQ_TYPE_EDGE_RISING);
1704 rc = request_irq(GTA02_IRQ_WLAN_GPIO1, ar6000_wow_irq, IRQF_DISABLED,
1708 printk(KERN_ERR "GTA02: can't request ar6k wakeup IRQ\n");
1709 enable_irq_wake(GTA02_IRQ_WLAN_GPIO1);
1711 pm_power_off = gta02_poweroff;
1713 /* Register the HDQ and vibrator as children of pwm device */
1714 #ifdef CONFIG_HDQ_GPIO_BITBANG
1715 gta02_hdq_device.dev.parent = &s3c24xx_pwm_device.dev;
1716 platform_device_register(>a02_hdq_device);
1718 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
1719 gta02_vibrator_dev.dev.parent = &s3c24xx_pwm_device.dev;
1720 platform_device_register(>a02_vibrator_dev);
1724 void DEBUG_LED(int n)
1728 s3c2410_gpio_setpin(GTA02_GPIO_PWR_LED1, 1);
1731 s3c2410_gpio_setpin(GTA02_GPIO_PWR_LED2, 1);
1734 s3c2410_gpio_setpin(GTA02_GPIO_AUX_LED, 1);
1738 EXPORT_SYMBOL_GPL(DEBUG_LED);
1740 MACHINE_START(NEO1973_GTA02, "GTA02")
1741 .phys_io = S3C2410_PA_UART,
1742 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
1743 .boot_params = S3C2410_SDRAM_PA + 0x100,
1744 .map_io = gta02_map_io,
1745 .init_irq = s3c24xx_init_irq,
1746 .init_machine = gta02_machine_init,
1747 .timer = &s3c24xx_timer,