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>
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
34 #include <mach/pxa27x.h>
35 #include <mach/audio.h>
36 #include <mach/palmt5.h>
38 #include <mach/pxafb.h>
39 #include <mach/irda.h>
40 #include <mach/pxa27x_keypad.h>
42 #include <mach/palmasoc.h>
47 /******************************************************************************
49 ******************************************************************************/
50 static unsigned long palmt5_pin_config
[] __initdata
= {
58 GPIO14_GPIO
, /* SD detect */
59 GPIO114_GPIO
, /* SD power */
60 GPIO115_GPIO
, /* SD r/o switch */
64 GPIO29_AC97_SDATA_IN_0
,
65 GPIO30_AC97_SDATA_OUT
,
69 GPIO40_GPIO
, /* ir disable */
74 GPIO15_GPIO
, /* usb detect */
75 GPIO95_GPIO
, /* usb power */
78 GPIO100_KP_MKIN_0
| WAKEUP_ON_LEVEL_HIGH
,
79 GPIO101_KP_MKIN_1
| WAKEUP_ON_LEVEL_HIGH
,
80 GPIO102_KP_MKIN_2
| WAKEUP_ON_LEVEL_HIGH
,
81 GPIO97_KP_MKIN_3
| WAKEUP_ON_LEVEL_HIGH
,
112 GPIO10_GPIO
, /* hotsync button */
113 GPIO90_GPIO
, /* power detect */
114 GPIO107_GPIO
, /* earphone detect */
117 /******************************************************************************
118 * SD/MMC card controller
119 ******************************************************************************/
120 static int palmt5_mci_init(struct device
*dev
, irq_handler_t palmt5_detect_int
,
125 /* Setup an interrupt for detecting card insert/remove events */
126 err
= gpio_request(GPIO_NR_PALMT5_SD_DETECT_N
, "SD IRQ");
129 err
= gpio_direction_input(GPIO_NR_PALMT5_SD_DETECT_N
);
132 err
= request_irq(gpio_to_irq(GPIO_NR_PALMT5_SD_DETECT_N
),
133 palmt5_detect_int
, IRQF_DISABLED
| IRQF_SAMPLE_RANDOM
|
134 IRQF_TRIGGER_FALLING
| IRQF_TRIGGER_RISING
,
135 "SD/MMC card detect", data
);
137 printk(KERN_ERR
"%s: cannot request SD/MMC card detect IRQ\n",
142 err
= gpio_request(GPIO_NR_PALMT5_SD_POWER
, "SD_POWER");
145 err
= gpio_direction_output(GPIO_NR_PALMT5_SD_POWER
, 0);
149 err
= gpio_request(GPIO_NR_PALMT5_SD_READONLY
, "SD_READONLY");
152 err
= gpio_direction_input(GPIO_NR_PALMT5_SD_READONLY
);
156 printk(KERN_DEBUG
"%s: irq registered\n", __func__
);
161 gpio_free(GPIO_NR_PALMT5_SD_READONLY
);
163 gpio_free(GPIO_NR_PALMT5_SD_POWER
);
165 free_irq(gpio_to_irq(GPIO_NR_PALMT5_SD_DETECT_N
), data
);
167 gpio_free(GPIO_NR_PALMT5_SD_DETECT_N
);
172 static void palmt5_mci_exit(struct device
*dev
, void *data
)
174 gpio_free(GPIO_NR_PALMT5_SD_READONLY
);
175 gpio_free(GPIO_NR_PALMT5_SD_POWER
);
176 free_irq(IRQ_GPIO_PALMT5_SD_DETECT_N
, data
);
177 gpio_free(GPIO_NR_PALMT5_SD_DETECT_N
);
180 static void palmt5_mci_power(struct device
*dev
, unsigned int vdd
)
182 struct pxamci_platform_data
*p_d
= dev
->platform_data
;
183 gpio_set_value(GPIO_NR_PALMT5_SD_POWER
, p_d
->ocr_mask
& (1 << vdd
));
186 static int palmt5_mci_get_ro(struct device
*dev
)
188 return gpio_get_value(GPIO_NR_PALMT5_SD_READONLY
);
191 static struct pxamci_platform_data palmt5_mci_platform_data
= {
192 .ocr_mask
= MMC_VDD_32_33
| MMC_VDD_33_34
,
193 .setpower
= palmt5_mci_power
,
194 .get_ro
= palmt5_mci_get_ro
,
195 .init
= palmt5_mci_init
,
196 .exit
= palmt5_mci_exit
,
199 /******************************************************************************
201 ******************************************************************************/
202 static unsigned int palmt5_matrix_keys
[] = {
203 KEY(0, 0, KEY_POWER
),
205 KEY(0, 2, KEY_ENTER
),
214 KEY(3, 0, KEY_RIGHT
),
218 static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data
= {
219 .matrix_key_rows
= 4,
220 .matrix_key_cols
= 3,
221 .matrix_key_map
= palmt5_matrix_keys
,
222 .matrix_key_map_size
= ARRAY_SIZE(palmt5_matrix_keys
),
224 .debounce_interval
= 30,
227 /******************************************************************************
229 ******************************************************************************/
230 static struct gpio_keys_button palmt5_pxa_buttons
[] = {
231 {KEY_F8
, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N
, 1, "HotSync Button" },
234 static struct gpio_keys_platform_data palmt5_pxa_keys_data
= {
235 .buttons
= palmt5_pxa_buttons
,
236 .nbuttons
= ARRAY_SIZE(palmt5_pxa_buttons
),
239 static struct platform_device palmt5_pxa_keys
= {
243 .platform_data
= &palmt5_pxa_keys_data
,
247 /******************************************************************************
249 ******************************************************************************/
250 static int palmt5_backlight_init(struct device
*dev
)
254 ret
= gpio_request(GPIO_NR_PALMT5_BL_POWER
, "BL POWER");
257 ret
= gpio_direction_output(GPIO_NR_PALMT5_BL_POWER
, 0);
260 ret
= gpio_request(GPIO_NR_PALMT5_LCD_POWER
, "LCD POWER");
263 ret
= gpio_direction_output(GPIO_NR_PALMT5_LCD_POWER
, 0);
269 gpio_free(GPIO_NR_PALMT5_LCD_POWER
);
271 gpio_free(GPIO_NR_PALMT5_BL_POWER
);
276 static int palmt5_backlight_notify(int brightness
)
278 gpio_set_value(GPIO_NR_PALMT5_BL_POWER
, brightness
);
279 gpio_set_value(GPIO_NR_PALMT5_LCD_POWER
, brightness
);
283 static void palmt5_backlight_exit(struct device
*dev
)
285 gpio_free(GPIO_NR_PALMT5_BL_POWER
);
286 gpio_free(GPIO_NR_PALMT5_LCD_POWER
);
289 static struct platform_pwm_backlight_data palmt5_backlight_data
= {
291 .max_brightness
= PALMT5_MAX_INTENSITY
,
292 .dft_brightness
= PALMT5_MAX_INTENSITY
,
293 .pwm_period_ns
= PALMT5_PERIOD_NS
,
294 .init
= palmt5_backlight_init
,
295 .notify
= palmt5_backlight_notify
,
296 .exit
= palmt5_backlight_exit
,
299 static struct platform_device palmt5_backlight
= {
300 .name
= "pwm-backlight",
302 .parent
= &pxa27x_device_pwm0
.dev
,
303 .platform_data
= &palmt5_backlight_data
,
307 /******************************************************************************
309 ******************************************************************************/
310 static int palmt5_irda_startup(struct device
*dev
)
313 err
= gpio_request(GPIO_NR_PALMT5_IR_DISABLE
, "IR DISABLE");
316 err
= gpio_direction_output(GPIO_NR_PALMT5_IR_DISABLE
, 1);
318 gpio_free(GPIO_NR_PALMT5_IR_DISABLE
);
323 static void palmt5_irda_shutdown(struct device
*dev
)
325 gpio_free(GPIO_NR_PALMT5_IR_DISABLE
);
328 static void palmt5_irda_transceiver_mode(struct device
*dev
, int mode
)
330 gpio_set_value(GPIO_NR_PALMT5_IR_DISABLE
, mode
& IR_OFF
);
331 pxa2xx_transceiver_mode(dev
, mode
);
334 static struct pxaficp_platform_data palmt5_ficp_platform_data
= {
335 .startup
= palmt5_irda_startup
,
336 .shutdown
= palmt5_irda_shutdown
,
337 .transceiver_cap
= IR_SIRMODE
| IR_FIRMODE
| IR_OFF
,
338 .transceiver_mode
= palmt5_irda_transceiver_mode
,
341 /******************************************************************************
343 ******************************************************************************/
344 static struct pxa2xx_udc_mach_info palmt5_udc_info __initdata
= {
345 .gpio_vbus
= GPIO_NR_PALMT5_USB_DETECT_N
,
346 .gpio_vbus_inverted
= 1,
347 .gpio_pullup
= GPIO_NR_PALMT5_USB_POWER
,
348 .gpio_pullup_inverted
= 0,
351 /******************************************************************************
353 ******************************************************************************/
354 static int power_supply_init(struct device
*dev
)
358 ret
= gpio_request(GPIO_NR_PALMT5_POWER_DETECT
, "CABLE_STATE_AC");
361 ret
= gpio_direction_input(GPIO_NR_PALMT5_POWER_DETECT
);
367 gpio_free(GPIO_NR_PALMT5_POWER_DETECT
);
372 static int palmt5_is_ac_online(void)
374 return gpio_get_value(GPIO_NR_PALMT5_POWER_DETECT
);
377 static void power_supply_exit(struct device
*dev
)
379 gpio_free(GPIO_NR_PALMT5_POWER_DETECT
);
382 static char *palmt5_supplicants
[] = {
386 static struct pda_power_pdata power_supply_info
= {
387 .init
= power_supply_init
,
388 .is_ac_online
= palmt5_is_ac_online
,
389 .exit
= power_supply_exit
,
390 .supplied_to
= palmt5_supplicants
,
391 .num_supplicants
= ARRAY_SIZE(palmt5_supplicants
),
394 static struct platform_device power_supply
= {
398 .platform_data
= &power_supply_info
,
402 /******************************************************************************
404 ******************************************************************************/
405 static struct wm97xx_batt_info wm97xx_batt_pdata
= {
406 .batt_aux
= WM97XX_AUX_ID3
,
407 .temp_aux
= WM97XX_AUX_ID2
,
409 .max_voltage
= PALMT5_BAT_MAX_VOLTAGE
,
410 .min_voltage
= PALMT5_BAT_MIN_VOLTAGE
,
415 .batt_tech
= POWER_SUPPLY_TECHNOLOGY_LIPO
,
416 .batt_name
= "main-batt",
419 /******************************************************************************
421 ******************************************************************************/
422 static struct palm27x_asoc_info palm27x_asoc_pdata
= {
423 .jack_gpio
= GPIO_NR_PALMT5_EARPHONE_DETECT
,
426 /******************************************************************************
428 ******************************************************************************/
429 static struct pxafb_mode_info palmt5_lcd_modes
[] = {
446 static struct pxafb_mach_info palmt5_lcd_screen
= {
447 .modes
= palmt5_lcd_modes
,
448 .num_modes
= ARRAY_SIZE(palmt5_lcd_modes
),
449 .lcd_conn
= LCD_COLOR_TFT_16BPP
| LCD_PCLK_EDGE_FALL
,
452 /******************************************************************************
453 * Power management - standby
454 ******************************************************************************/
456 static u32
*addr __initdata
;
457 static u32 resume
[3] __initdata
= {
458 0xe3a00101, /* mov r0, #0x40000000 */
459 0xe380060f, /* orr r0, r0, #0x00f00000 */
460 0xe590f008, /* ldr pc, [r0, #0x08] */
463 static int __init
palmt5_pm_init(void)
467 /* this is where the bootloader jumps */
468 addr
= phys_to_virt(PALMT5_STR_BASE
);
470 for (i
= 0; i
< 3; i
++)
476 device_initcall(palmt5_pm_init
);
479 /******************************************************************************
481 ******************************************************************************/
482 static struct platform_device
*devices
[] __initdata
= {
483 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
490 /* setup udc GPIOs initial state */
491 static void __init
palmt5_udc_init(void)
493 if (!gpio_request(GPIO_NR_PALMT5_USB_POWER
, "UDC Vbus")) {
494 gpio_direction_output(GPIO_NR_PALMT5_USB_POWER
, 1);
495 gpio_free(GPIO_NR_PALMT5_USB_POWER
);
499 static void __init
palmt5_init(void)
501 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config
));
503 set_pxa_fb_info(&palmt5_lcd_screen
);
504 pxa_set_mci_info(&palmt5_mci_platform_data
);
506 pxa_set_udc_info(&palmt5_udc_info
);
507 pxa_set_ac97_info(NULL
);
508 pxa_set_ficp_info(&palmt5_ficp_platform_data
);
509 pxa_set_keypad_info(&palmt5_keypad_platform_data
);
510 wm97xx_bat_set_pdata(&wm97xx_batt_pdata
);
511 palm27x_asoc_set_pdata(&palm27x_asoc_pdata
);
512 platform_add_devices(devices
, ARRAY_SIZE(devices
));
515 MACHINE_START(PALMT5
, "Palm Tungsten|T5")
516 .phys_io
= PALMT5_PHYS_IO_START
,
517 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
518 .boot_params
= 0xa0000100,
519 .map_io
= pxa_map_io
,
520 .init_irq
= pxa27x_init_irq
,
522 .init_machine
= palmt5_init