2 * Hardware definitions for Palm LifeDrive
4 * Author: Marek Vasut <marek.vasut@gmail.com>
7 * Alex Osborne <ato@meshy.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
13 * (find more info at www.hackndev.com)
17 #include <linux/platform_device.h>
18 #include <linux/delay.h>
19 #include <linux/irq.h>
20 #include <linux/gpio_keys.h>
21 #include <linux/input.h>
22 #include <linux/pda_power.h>
23 #include <linux/pwm_backlight.h>
24 #include <linux/gpio.h>
25 #include <linux/wm97xx_batt.h>
26 #include <linux/power_supply.h>
27 #include <linux/sysdev.h>
28 #include <linux/mtd/mtd.h>
29 #include <linux/mtd/partitions.h>
30 #include <linux/mtd/physmap.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
36 #include <mach/pxa27x.h>
37 #include <mach/audio.h>
38 #include <mach/palmld.h>
40 #include <mach/pxafb.h>
41 #include <mach/irda.h>
42 #include <mach/pxa27x_keypad.h>
43 #include <mach/palmasoc.h>
48 /******************************************************************************
50 ******************************************************************************/
51 static unsigned long palmld_pin_config
[] __initdata
= {
59 GPIO14_GPIO
, /* SD detect */
60 GPIO114_GPIO
, /* SD power */
61 GPIO116_GPIO
, /* SD r/o switch */
65 GPIO29_AC97_SDATA_IN_0
,
66 GPIO30_AC97_SDATA_OUT
,
72 GPIO108_GPIO
, /* ir disable */
77 GPIO100_KP_MKIN_0
| WAKEUP_ON_LEVEL_HIGH
,
78 GPIO101_KP_MKIN_1
| WAKEUP_ON_LEVEL_HIGH
,
79 GPIO102_KP_MKIN_2
| WAKEUP_ON_LEVEL_HIGH
,
80 GPIO97_KP_MKIN_3
| WAKEUP_ON_LEVEL_HIGH
,
92 GPIO10_GPIO
, /* hotsync button */
93 GPIO12_GPIO
, /* power switch */
94 GPIO15_GPIO
, /* lock switch */
97 GPIO52_GPIO
, /* green led */
98 GPIO94_GPIO
, /* orange led */
111 GPIO36_GPIO
, /* wifi power */
112 GPIO38_GPIO
, /* wifi ready */
113 GPIO81_GPIO
, /* wifi reset */
120 GPIO98_GPIO
, /* HDD reset */
121 GPIO115_GPIO
, /* HDD power */
124 GPIO13_GPIO
, /* earphone detect */
127 /******************************************************************************
129 ******************************************************************************/
130 static struct mtd_partition palmld_partitions
[] = {
133 .offset
= 0x00000000,
134 .size
= MTDPART_SIZ_FULL
,
139 static struct physmap_flash_data palmld_flash_data
[] = {
141 .width
= 2, /* bankwidth in bytes */
142 .parts
= palmld_partitions
,
143 .nr_parts
= ARRAY_SIZE(palmld_partitions
)
147 static struct resource palmld_flash_resource
= {
148 .start
= PXA_CS0_PHYS
,
149 .end
= PXA_CS0_PHYS
+ SZ_4M
- 1,
150 .flags
= IORESOURCE_MEM
,
153 static struct platform_device palmld_flash
= {
154 .name
= "physmap-flash",
156 .resource
= &palmld_flash_resource
,
159 .platform_data
= palmld_flash_data
,
163 /******************************************************************************
164 * SD/MMC card controller
165 ******************************************************************************/
166 static struct pxamci_platform_data palmld_mci_platform_data
= {
167 .ocr_mask
= MMC_VDD_32_33
| MMC_VDD_33_34
,
168 .gpio_card_detect
= GPIO_NR_PALMLD_SD_DETECT_N
,
169 .gpio_card_ro
= GPIO_NR_PALMLD_SD_READONLY
,
170 .gpio_power
= GPIO_NR_PALMLD_SD_POWER
,
174 /******************************************************************************
176 ******************************************************************************/
177 static unsigned int palmld_matrix_keys
[] = {
183 KEY(1, 2, KEY_RIGHT
),
190 KEY(3, 1, KEY_ENTER
),
194 static struct pxa27x_keypad_platform_data palmld_keypad_platform_data
= {
195 .matrix_key_rows
= 4,
196 .matrix_key_cols
= 3,
197 .matrix_key_map
= palmld_matrix_keys
,
198 .matrix_key_map_size
= ARRAY_SIZE(palmld_matrix_keys
),
200 .debounce_interval
= 30,
203 /******************************************************************************
205 ******************************************************************************/
206 static struct gpio_keys_button palmld_pxa_buttons
[] = {
207 {KEY_F8
, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N
, 1, "HotSync Button" },
208 {KEY_F9
, GPIO_NR_PALMLD_LOCK_SWITCH
, 0, "Lock Switch" },
209 {KEY_POWER
, GPIO_NR_PALMLD_POWER_SWITCH
, 0, "Power Switch" },
212 static struct gpio_keys_platform_data palmld_pxa_keys_data
= {
213 .buttons
= palmld_pxa_buttons
,
214 .nbuttons
= ARRAY_SIZE(palmld_pxa_buttons
),
217 static struct platform_device palmld_pxa_keys
= {
221 .platform_data
= &palmld_pxa_keys_data
,
225 /******************************************************************************
227 ******************************************************************************/
228 static int palmld_backlight_init(struct device
*dev
)
232 ret
= gpio_request(GPIO_NR_PALMLD_BL_POWER
, "BL POWER");
235 ret
= gpio_direction_output(GPIO_NR_PALMLD_BL_POWER
, 0);
238 ret
= gpio_request(GPIO_NR_PALMLD_LCD_POWER
, "LCD POWER");
241 ret
= gpio_direction_output(GPIO_NR_PALMLD_LCD_POWER
, 0);
247 gpio_free(GPIO_NR_PALMLD_LCD_POWER
);
249 gpio_free(GPIO_NR_PALMLD_BL_POWER
);
254 static int palmld_backlight_notify(struct device
*dev
, int brightness
)
256 gpio_set_value(GPIO_NR_PALMLD_BL_POWER
, brightness
);
257 gpio_set_value(GPIO_NR_PALMLD_LCD_POWER
, brightness
);
261 static void palmld_backlight_exit(struct device
*dev
)
263 gpio_free(GPIO_NR_PALMLD_BL_POWER
);
264 gpio_free(GPIO_NR_PALMLD_LCD_POWER
);
267 static struct platform_pwm_backlight_data palmld_backlight_data
= {
269 .max_brightness
= PALMLD_MAX_INTENSITY
,
270 .dft_brightness
= PALMLD_MAX_INTENSITY
,
271 .pwm_period_ns
= PALMLD_PERIOD_NS
,
272 .init
= palmld_backlight_init
,
273 .notify
= palmld_backlight_notify
,
274 .exit
= palmld_backlight_exit
,
277 static struct platform_device palmld_backlight
= {
278 .name
= "pwm-backlight",
280 .parent
= &pxa27x_device_pwm0
.dev
,
281 .platform_data
= &palmld_backlight_data
,
285 /******************************************************************************
287 ******************************************************************************/
288 static struct pxaficp_platform_data palmld_ficp_platform_data
= {
289 .gpio_pwdown
= GPIO_NR_PALMLD_IR_DISABLE
,
290 .transceiver_cap
= IR_SIRMODE
| IR_OFF
,
293 /******************************************************************************
295 ******************************************************************************/
296 struct gpio_led gpio_leds
[] = {
298 .name
= "palmld:green:led",
299 .default_trigger
= "none",
300 .gpio
= GPIO_NR_PALMLD_LED_GREEN
,
302 .name
= "palmld:amber:led",
303 .default_trigger
= "none",
304 .gpio
= GPIO_NR_PALMLD_LED_AMBER
,
308 static struct gpio_led_platform_data gpio_led_info
= {
310 .num_leds
= ARRAY_SIZE(gpio_leds
),
313 static struct platform_device palmld_leds
= {
317 .platform_data
= &gpio_led_info
,
321 /******************************************************************************
323 ******************************************************************************/
324 static int power_supply_init(struct device
*dev
)
328 ret
= gpio_request(GPIO_NR_PALMLD_POWER_DETECT
, "CABLE_STATE_AC");
331 ret
= gpio_direction_input(GPIO_NR_PALMLD_POWER_DETECT
);
335 ret
= gpio_request(GPIO_NR_PALMLD_USB_DETECT_N
, "CABLE_STATE_USB");
338 ret
= gpio_direction_input(GPIO_NR_PALMLD_USB_DETECT_N
);
345 gpio_free(GPIO_NR_PALMLD_USB_DETECT_N
);
347 gpio_free(GPIO_NR_PALMLD_POWER_DETECT
);
352 static int palmld_is_ac_online(void)
354 return gpio_get_value(GPIO_NR_PALMLD_POWER_DETECT
);
357 static int palmld_is_usb_online(void)
359 return !gpio_get_value(GPIO_NR_PALMLD_USB_DETECT_N
);
362 static void power_supply_exit(struct device
*dev
)
364 gpio_free(GPIO_NR_PALMLD_USB_DETECT_N
);
365 gpio_free(GPIO_NR_PALMLD_POWER_DETECT
);
368 static char *palmld_supplicants
[] = {
372 static struct pda_power_pdata power_supply_info
= {
373 .init
= power_supply_init
,
374 .is_ac_online
= palmld_is_ac_online
,
375 .is_usb_online
= palmld_is_usb_online
,
376 .exit
= power_supply_exit
,
377 .supplied_to
= palmld_supplicants
,
378 .num_supplicants
= ARRAY_SIZE(palmld_supplicants
),
381 static struct platform_device power_supply
= {
385 .platform_data
= &power_supply_info
,
389 /******************************************************************************
391 ******************************************************************************/
392 static struct wm97xx_batt_info wm97xx_batt_pdata
= {
393 .batt_aux
= WM97XX_AUX_ID3
,
394 .temp_aux
= WM97XX_AUX_ID2
,
396 .max_voltage
= PALMLD_BAT_MAX_VOLTAGE
,
397 .min_voltage
= PALMLD_BAT_MIN_VOLTAGE
,
402 .batt_tech
= POWER_SUPPLY_TECHNOLOGY_LIPO
,
403 .batt_name
= "main-batt",
406 /******************************************************************************
408 ******************************************************************************/
409 static struct palm27x_asoc_info palmld_asoc_pdata
= {
410 .jack_gpio
= GPIO_NR_PALMLD_EARPHONE_DETECT
,
413 static pxa2xx_audio_ops_t palmld_ac97_pdata
= {
417 static struct platform_device palmld_asoc
= {
418 .name
= "palm27x-asoc",
421 .platform_data
= &palmld_asoc_pdata
,
425 /******************************************************************************
427 ******************************************************************************/
428 static struct platform_device palmld_hdd
= {
429 .name
= "pata_palmld",
433 /******************************************************************************
435 ******************************************************************************/
436 static struct pxafb_mode_info palmld_lcd_modes
[] = {
453 static struct pxafb_mach_info palmld_lcd_screen
= {
454 .modes
= palmld_lcd_modes
,
455 .num_modes
= ARRAY_SIZE(palmld_lcd_modes
),
456 .lcd_conn
= LCD_COLOR_TFT_16BPP
| LCD_PCLK_EDGE_FALL
,
459 /******************************************************************************
460 * Power management - standby
461 ******************************************************************************/
462 static void __init
palmld_pm_init(void)
464 static u32 resume
[] = {
465 0xe3a00101, /* mov r0, #0x40000000 */
466 0xe380060f, /* orr r0, r0, #0x00f00000 */
467 0xe590f008, /* ldr pc, [r0, #0x08] */
470 /* copy the bootloader */
471 memcpy(phys_to_virt(PALMLD_STR_BASE
), resume
, sizeof(resume
));
474 /******************************************************************************
476 ******************************************************************************/
477 static struct platform_device
*devices
[] __initdata
= {
478 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
489 static struct map_desc palmld_io_desc
[] __initdata
= {
491 .virtual = PALMLD_IDE_VIRT
,
492 .pfn
= __phys_to_pfn(PALMLD_IDE_PHYS
),
493 .length
= PALMLD_IDE_SIZE
,
497 .virtual = PALMLD_USB_VIRT
,
498 .pfn
= __phys_to_pfn(PALMLD_USB_PHYS
),
499 .length
= PALMLD_USB_SIZE
,
504 static void __init
palmld_map_io(void)
507 iotable_init(palmld_io_desc
, ARRAY_SIZE(palmld_io_desc
));
510 static void __init
palmld_init(void)
512 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config
));
514 pxa_set_ffuart_info(NULL
);
515 pxa_set_btuart_info(NULL
);
516 pxa_set_stuart_info(NULL
);
519 set_pxa_fb_info(&palmld_lcd_screen
);
520 pxa_set_mci_info(&palmld_mci_platform_data
);
521 pxa_set_ac97_info(&palmld_ac97_pdata
);
522 pxa_set_ficp_info(&palmld_ficp_platform_data
);
523 pxa_set_keypad_info(&palmld_keypad_platform_data
);
524 wm97xx_bat_set_pdata(&wm97xx_batt_pdata
);
526 platform_add_devices(devices
, ARRAY_SIZE(devices
));
529 MACHINE_START(PALMLD
, "Palm LifeDrive")
530 .phys_io
= PALMLD_PHYS_IO_START
,
531 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
532 .boot_params
= 0xa0000100,
533 .map_io
= palmld_map_io
,
534 .init_irq
= pxa27x_init_irq
,
536 .init_machine
= palmld_init