2 * Hardware definitions for Palm Tungsten|T5
4 * Author: Marek Vasut <marek.vasut@gmail.com>
7 * Ales Snuparek <snuparek@atlas.cz>
8 * Justin Kendrick <twilightsentry@gmail.com>
9 * RichardT5 <richard_t5@users.sourceforge.net>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
15 * (find more info at www.hackndev.com)
19 #include <linux/platform_device.h>
20 #include <linux/delay.h>
21 #include <linux/irq.h>
22 #include <linux/gpio_keys.h>
23 #include <linux/input.h>
24 #include <linux/pda_power.h>
25 #include <linux/pwm_backlight.h>
26 #include <linux/gpio.h>
27 #include <linux/wm97xx_batt.h>
28 #include <linux/power_supply.h>
29 #include <linux/usb/gpio_vbus.h>
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
35 #include <mach/pxa27x.h>
36 #include <mach/audio.h>
37 #include <mach/palmt5.h>
39 #include <mach/pxafb.h>
40 #include <mach/irda.h>
41 #include <mach/pxa27x_keypad.h>
43 #include <mach/palmasoc.h>
48 /******************************************************************************
50 ******************************************************************************/
51 static unsigned long palmt5_pin_config
[] __initdata
= {
59 GPIO14_GPIO
, /* SD detect */
60 GPIO114_GPIO
, /* SD power */
61 GPIO115_GPIO
, /* SD r/o switch */
65 GPIO29_AC97_SDATA_IN_0
,
66 GPIO30_AC97_SDATA_OUT
,
72 GPIO40_GPIO
, /* ir disable */
77 GPIO15_GPIO
, /* usb detect */
78 GPIO93_GPIO
, /* usb power */
81 GPIO100_KP_MKIN_0
| WAKEUP_ON_LEVEL_HIGH
,
82 GPIO101_KP_MKIN_1
| WAKEUP_ON_LEVEL_HIGH
,
83 GPIO102_KP_MKIN_2
| WAKEUP_ON_LEVEL_HIGH
,
84 GPIO97_KP_MKIN_3
| WAKEUP_ON_LEVEL_HIGH
,
115 GPIO10_GPIO
, /* hotsync button */
116 GPIO90_GPIO
, /* power detect */
117 GPIO107_GPIO
, /* earphone detect */
120 /******************************************************************************
121 * SD/MMC card controller
122 ******************************************************************************/
123 static int palmt5_mci_init(struct device
*dev
, irq_handler_t palmt5_detect_int
,
128 /* Setup an interrupt for detecting card insert/remove events */
129 err
= gpio_request(GPIO_NR_PALMT5_SD_DETECT_N
, "SD IRQ");
132 err
= gpio_direction_input(GPIO_NR_PALMT5_SD_DETECT_N
);
135 err
= request_irq(gpio_to_irq(GPIO_NR_PALMT5_SD_DETECT_N
),
136 palmt5_detect_int
, IRQF_DISABLED
| IRQF_SAMPLE_RANDOM
|
137 IRQF_TRIGGER_FALLING
| IRQF_TRIGGER_RISING
,
138 "SD/MMC card detect", data
);
140 printk(KERN_ERR
"%s: cannot request SD/MMC card detect IRQ\n",
145 err
= gpio_request(GPIO_NR_PALMT5_SD_POWER
, "SD_POWER");
148 err
= gpio_direction_output(GPIO_NR_PALMT5_SD_POWER
, 0);
152 err
= gpio_request(GPIO_NR_PALMT5_SD_READONLY
, "SD_READONLY");
155 err
= gpio_direction_input(GPIO_NR_PALMT5_SD_READONLY
);
159 printk(KERN_DEBUG
"%s: irq registered\n", __func__
);
164 gpio_free(GPIO_NR_PALMT5_SD_READONLY
);
166 gpio_free(GPIO_NR_PALMT5_SD_POWER
);
168 free_irq(gpio_to_irq(GPIO_NR_PALMT5_SD_DETECT_N
), data
);
170 gpio_free(GPIO_NR_PALMT5_SD_DETECT_N
);
175 static void palmt5_mci_exit(struct device
*dev
, void *data
)
177 gpio_free(GPIO_NR_PALMT5_SD_READONLY
);
178 gpio_free(GPIO_NR_PALMT5_SD_POWER
);
179 free_irq(IRQ_GPIO_PALMT5_SD_DETECT_N
, data
);
180 gpio_free(GPIO_NR_PALMT5_SD_DETECT_N
);
183 static void palmt5_mci_power(struct device
*dev
, unsigned int vdd
)
185 struct pxamci_platform_data
*p_d
= dev
->platform_data
;
186 gpio_set_value(GPIO_NR_PALMT5_SD_POWER
, p_d
->ocr_mask
& (1 << vdd
));
189 static int palmt5_mci_get_ro(struct device
*dev
)
191 return gpio_get_value(GPIO_NR_PALMT5_SD_READONLY
);
194 static struct pxamci_platform_data palmt5_mci_platform_data
= {
195 .ocr_mask
= MMC_VDD_32_33
| MMC_VDD_33_34
,
196 .setpower
= palmt5_mci_power
,
197 .get_ro
= palmt5_mci_get_ro
,
198 .init
= palmt5_mci_init
,
199 .exit
= palmt5_mci_exit
,
202 /******************************************************************************
204 ******************************************************************************/
205 static unsigned int palmt5_matrix_keys
[] = {
206 KEY(0, 0, KEY_POWER
),
208 KEY(0, 2, KEY_ENTER
),
217 KEY(3, 0, KEY_RIGHT
),
221 static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data
= {
222 .matrix_key_rows
= 4,
223 .matrix_key_cols
= 3,
224 .matrix_key_map
= palmt5_matrix_keys
,
225 .matrix_key_map_size
= ARRAY_SIZE(palmt5_matrix_keys
),
227 .debounce_interval
= 30,
230 /******************************************************************************
232 ******************************************************************************/
233 static struct gpio_keys_button palmt5_pxa_buttons
[] = {
234 {KEY_F8
, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N
, 1, "HotSync Button" },
237 static struct gpio_keys_platform_data palmt5_pxa_keys_data
= {
238 .buttons
= palmt5_pxa_buttons
,
239 .nbuttons
= ARRAY_SIZE(palmt5_pxa_buttons
),
242 static struct platform_device palmt5_pxa_keys
= {
246 .platform_data
= &palmt5_pxa_keys_data
,
250 /******************************************************************************
252 ******************************************************************************/
253 static int palmt5_backlight_init(struct device
*dev
)
257 ret
= gpio_request(GPIO_NR_PALMT5_BL_POWER
, "BL POWER");
260 ret
= gpio_direction_output(GPIO_NR_PALMT5_BL_POWER
, 0);
263 ret
= gpio_request(GPIO_NR_PALMT5_LCD_POWER
, "LCD POWER");
266 ret
= gpio_direction_output(GPIO_NR_PALMT5_LCD_POWER
, 0);
272 gpio_free(GPIO_NR_PALMT5_LCD_POWER
);
274 gpio_free(GPIO_NR_PALMT5_BL_POWER
);
279 static int palmt5_backlight_notify(int brightness
)
281 gpio_set_value(GPIO_NR_PALMT5_BL_POWER
, brightness
);
282 gpio_set_value(GPIO_NR_PALMT5_LCD_POWER
, brightness
);
286 static void palmt5_backlight_exit(struct device
*dev
)
288 gpio_free(GPIO_NR_PALMT5_BL_POWER
);
289 gpio_free(GPIO_NR_PALMT5_LCD_POWER
);
292 static struct platform_pwm_backlight_data palmt5_backlight_data
= {
294 .max_brightness
= PALMT5_MAX_INTENSITY
,
295 .dft_brightness
= PALMT5_MAX_INTENSITY
,
296 .pwm_period_ns
= PALMT5_PERIOD_NS
,
297 .init
= palmt5_backlight_init
,
298 .notify
= palmt5_backlight_notify
,
299 .exit
= palmt5_backlight_exit
,
302 static struct platform_device palmt5_backlight
= {
303 .name
= "pwm-backlight",
305 .parent
= &pxa27x_device_pwm0
.dev
,
306 .platform_data
= &palmt5_backlight_data
,
310 /******************************************************************************
312 ******************************************************************************/
313 static int palmt5_irda_startup(struct device
*dev
)
316 err
= gpio_request(GPIO_NR_PALMT5_IR_DISABLE
, "IR DISABLE");
319 err
= gpio_direction_output(GPIO_NR_PALMT5_IR_DISABLE
, 1);
321 gpio_free(GPIO_NR_PALMT5_IR_DISABLE
);
326 static void palmt5_irda_shutdown(struct device
*dev
)
328 gpio_free(GPIO_NR_PALMT5_IR_DISABLE
);
331 static void palmt5_irda_transceiver_mode(struct device
*dev
, int mode
)
333 gpio_set_value(GPIO_NR_PALMT5_IR_DISABLE
, mode
& IR_OFF
);
334 pxa2xx_transceiver_mode(dev
, mode
);
337 static struct pxaficp_platform_data palmt5_ficp_platform_data
= {
338 .startup
= palmt5_irda_startup
,
339 .shutdown
= palmt5_irda_shutdown
,
340 .transceiver_cap
= IR_SIRMODE
| IR_FIRMODE
| IR_OFF
,
341 .transceiver_mode
= palmt5_irda_transceiver_mode
,
344 /******************************************************************************
346 ******************************************************************************/
347 static struct gpio_vbus_mach_info palmt5_udc_info
= {
348 .gpio_vbus
= GPIO_NR_PALMT5_USB_DETECT_N
,
349 .gpio_vbus_inverted
= 1,
350 .gpio_pullup
= GPIO_NR_PALMT5_USB_PULLUP
,
353 static struct platform_device palmt5_gpio_vbus
= {
357 .platform_data
= &palmt5_udc_info
,
361 /******************************************************************************
363 ******************************************************************************/
364 static int power_supply_init(struct device
*dev
)
368 ret
= gpio_request(GPIO_NR_PALMT5_POWER_DETECT
, "CABLE_STATE_AC");
371 ret
= gpio_direction_input(GPIO_NR_PALMT5_POWER_DETECT
);
377 gpio_free(GPIO_NR_PALMT5_POWER_DETECT
);
382 static int palmt5_is_ac_online(void)
384 return gpio_get_value(GPIO_NR_PALMT5_POWER_DETECT
);
387 static void power_supply_exit(struct device
*dev
)
389 gpio_free(GPIO_NR_PALMT5_POWER_DETECT
);
392 static char *palmt5_supplicants
[] = {
396 static struct pda_power_pdata power_supply_info
= {
397 .init
= power_supply_init
,
398 .is_ac_online
= palmt5_is_ac_online
,
399 .exit
= power_supply_exit
,
400 .supplied_to
= palmt5_supplicants
,
401 .num_supplicants
= ARRAY_SIZE(palmt5_supplicants
),
404 static struct platform_device power_supply
= {
408 .platform_data
= &power_supply_info
,
412 /******************************************************************************
414 ******************************************************************************/
415 static struct wm97xx_batt_info wm97xx_batt_pdata
= {
416 .batt_aux
= WM97XX_AUX_ID3
,
417 .temp_aux
= WM97XX_AUX_ID2
,
419 .max_voltage
= PALMT5_BAT_MAX_VOLTAGE
,
420 .min_voltage
= PALMT5_BAT_MIN_VOLTAGE
,
425 .batt_tech
= POWER_SUPPLY_TECHNOLOGY_LIPO
,
426 .batt_name
= "main-batt",
429 /******************************************************************************
431 ******************************************************************************/
432 static struct palm27x_asoc_info palmt5_asoc_pdata
= {
433 .jack_gpio
= GPIO_NR_PALMT5_EARPHONE_DETECT
,
436 static pxa2xx_audio_ops_t palmt5_ac97_pdata
= {
440 static struct platform_device palmt5_asoc
= {
441 .name
= "palm27x-asoc",
444 .platform_data
= &palmt5_asoc_pdata
,
448 /******************************************************************************
450 ******************************************************************************/
451 static struct pxafb_mode_info palmt5_lcd_modes
[] = {
468 static struct pxafb_mach_info palmt5_lcd_screen
= {
469 .modes
= palmt5_lcd_modes
,
470 .num_modes
= ARRAY_SIZE(palmt5_lcd_modes
),
471 .lcd_conn
= LCD_COLOR_TFT_16BPP
| LCD_PCLK_EDGE_FALL
,
474 /******************************************************************************
475 * Power management - standby
476 ******************************************************************************/
477 static void __init
palmt5_pm_init(void)
479 static u32 resume
[] = {
480 0xe3a00101, /* mov r0, #0x40000000 */
481 0xe380060f, /* orr r0, r0, #0x00f00000 */
482 0xe590f008, /* ldr pc, [r0, #0x08] */
485 /* copy the bootloader */
486 memcpy(phys_to_virt(PALMT5_STR_BASE
), resume
, sizeof(resume
));
489 /******************************************************************************
491 ******************************************************************************/
492 static struct platform_device
*devices
[] __initdata
= {
493 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
502 /* setup udc GPIOs initial state */
503 static void __init
palmt5_udc_init(void)
505 if (!gpio_request(GPIO_NR_PALMT5_USB_PULLUP
, "UDC Vbus")) {
506 gpio_direction_output(GPIO_NR_PALMT5_USB_PULLUP
, 1);
507 gpio_free(GPIO_NR_PALMT5_USB_PULLUP
);
511 static void __init
palmt5_init(void)
513 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config
));
516 set_pxa_fb_info(&palmt5_lcd_screen
);
517 pxa_set_mci_info(&palmt5_mci_platform_data
);
519 pxa_set_ac97_info(&palmt5_ac97_pdata
);
520 pxa_set_ficp_info(&palmt5_ficp_platform_data
);
521 pxa_set_keypad_info(&palmt5_keypad_platform_data
);
522 wm97xx_bat_set_pdata(&wm97xx_batt_pdata
);
524 platform_add_devices(devices
, ARRAY_SIZE(devices
));
527 MACHINE_START(PALMT5
, "Palm Tungsten|T5")
528 .phys_io
= PALMT5_PHYS_IO_START
,
529 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
530 .boot_params
= 0xa0000100,
531 .map_io
= pxa_map_io
,
532 .init_irq
= pxa27x_init_irq
,
534 .init_machine
= palmt5_init