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
,
71 GPIO40_GPIO
, /* ir disable */
76 GPIO15_GPIO
, /* usb detect */
77 GPIO93_GPIO
, /* usb power */
80 GPIO100_KP_MKIN_0
| WAKEUP_ON_LEVEL_HIGH
,
81 GPIO101_KP_MKIN_1
| WAKEUP_ON_LEVEL_HIGH
,
82 GPIO102_KP_MKIN_2
| WAKEUP_ON_LEVEL_HIGH
,
83 GPIO97_KP_MKIN_3
| WAKEUP_ON_LEVEL_HIGH
,
114 GPIO10_GPIO
, /* hotsync button */
115 GPIO90_GPIO
, /* power detect */
116 GPIO107_GPIO
, /* earphone detect */
119 /******************************************************************************
120 * SD/MMC card controller
121 ******************************************************************************/
122 static int palmt5_mci_init(struct device
*dev
, irq_handler_t palmt5_detect_int
,
127 /* Setup an interrupt for detecting card insert/remove events */
128 err
= gpio_request(GPIO_NR_PALMT5_SD_DETECT_N
, "SD IRQ");
131 err
= gpio_direction_input(GPIO_NR_PALMT5_SD_DETECT_N
);
134 err
= request_irq(gpio_to_irq(GPIO_NR_PALMT5_SD_DETECT_N
),
135 palmt5_detect_int
, IRQF_DISABLED
| IRQF_SAMPLE_RANDOM
|
136 IRQF_TRIGGER_FALLING
| IRQF_TRIGGER_RISING
,
137 "SD/MMC card detect", data
);
139 printk(KERN_ERR
"%s: cannot request SD/MMC card detect IRQ\n",
144 err
= gpio_request(GPIO_NR_PALMT5_SD_POWER
, "SD_POWER");
147 err
= gpio_direction_output(GPIO_NR_PALMT5_SD_POWER
, 0);
151 err
= gpio_request(GPIO_NR_PALMT5_SD_READONLY
, "SD_READONLY");
154 err
= gpio_direction_input(GPIO_NR_PALMT5_SD_READONLY
);
158 printk(KERN_DEBUG
"%s: irq registered\n", __func__
);
163 gpio_free(GPIO_NR_PALMT5_SD_READONLY
);
165 gpio_free(GPIO_NR_PALMT5_SD_POWER
);
167 free_irq(gpio_to_irq(GPIO_NR_PALMT5_SD_DETECT_N
), data
);
169 gpio_free(GPIO_NR_PALMT5_SD_DETECT_N
);
174 static void palmt5_mci_exit(struct device
*dev
, void *data
)
176 gpio_free(GPIO_NR_PALMT5_SD_READONLY
);
177 gpio_free(GPIO_NR_PALMT5_SD_POWER
);
178 free_irq(IRQ_GPIO_PALMT5_SD_DETECT_N
, data
);
179 gpio_free(GPIO_NR_PALMT5_SD_DETECT_N
);
182 static void palmt5_mci_power(struct device
*dev
, unsigned int vdd
)
184 struct pxamci_platform_data
*p_d
= dev
->platform_data
;
185 gpio_set_value(GPIO_NR_PALMT5_SD_POWER
, p_d
->ocr_mask
& (1 << vdd
));
188 static int palmt5_mci_get_ro(struct device
*dev
)
190 return gpio_get_value(GPIO_NR_PALMT5_SD_READONLY
);
193 static struct pxamci_platform_data palmt5_mci_platform_data
= {
194 .ocr_mask
= MMC_VDD_32_33
| MMC_VDD_33_34
,
195 .setpower
= palmt5_mci_power
,
196 .get_ro
= palmt5_mci_get_ro
,
197 .init
= palmt5_mci_init
,
198 .exit
= palmt5_mci_exit
,
201 /******************************************************************************
203 ******************************************************************************/
204 static unsigned int palmt5_matrix_keys
[] = {
205 KEY(0, 0, KEY_POWER
),
207 KEY(0, 2, KEY_ENTER
),
216 KEY(3, 0, KEY_RIGHT
),
220 static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data
= {
221 .matrix_key_rows
= 4,
222 .matrix_key_cols
= 3,
223 .matrix_key_map
= palmt5_matrix_keys
,
224 .matrix_key_map_size
= ARRAY_SIZE(palmt5_matrix_keys
),
226 .debounce_interval
= 30,
229 /******************************************************************************
231 ******************************************************************************/
232 static struct gpio_keys_button palmt5_pxa_buttons
[] = {
233 {KEY_F8
, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N
, 1, "HotSync Button" },
236 static struct gpio_keys_platform_data palmt5_pxa_keys_data
= {
237 .buttons
= palmt5_pxa_buttons
,
238 .nbuttons
= ARRAY_SIZE(palmt5_pxa_buttons
),
241 static struct platform_device palmt5_pxa_keys
= {
245 .platform_data
= &palmt5_pxa_keys_data
,
249 /******************************************************************************
251 ******************************************************************************/
252 static int palmt5_backlight_init(struct device
*dev
)
256 ret
= gpio_request(GPIO_NR_PALMT5_BL_POWER
, "BL POWER");
259 ret
= gpio_direction_output(GPIO_NR_PALMT5_BL_POWER
, 0);
262 ret
= gpio_request(GPIO_NR_PALMT5_LCD_POWER
, "LCD POWER");
265 ret
= gpio_direction_output(GPIO_NR_PALMT5_LCD_POWER
, 0);
271 gpio_free(GPIO_NR_PALMT5_LCD_POWER
);
273 gpio_free(GPIO_NR_PALMT5_BL_POWER
);
278 static int palmt5_backlight_notify(int brightness
)
280 gpio_set_value(GPIO_NR_PALMT5_BL_POWER
, brightness
);
281 gpio_set_value(GPIO_NR_PALMT5_LCD_POWER
, brightness
);
285 static void palmt5_backlight_exit(struct device
*dev
)
287 gpio_free(GPIO_NR_PALMT5_BL_POWER
);
288 gpio_free(GPIO_NR_PALMT5_LCD_POWER
);
291 static struct platform_pwm_backlight_data palmt5_backlight_data
= {
293 .max_brightness
= PALMT5_MAX_INTENSITY
,
294 .dft_brightness
= PALMT5_MAX_INTENSITY
,
295 .pwm_period_ns
= PALMT5_PERIOD_NS
,
296 .init
= palmt5_backlight_init
,
297 .notify
= palmt5_backlight_notify
,
298 .exit
= palmt5_backlight_exit
,
301 static struct platform_device palmt5_backlight
= {
302 .name
= "pwm-backlight",
304 .parent
= &pxa27x_device_pwm0
.dev
,
305 .platform_data
= &palmt5_backlight_data
,
309 /******************************************************************************
311 ******************************************************************************/
312 static int palmt5_irda_startup(struct device
*dev
)
315 err
= gpio_request(GPIO_NR_PALMT5_IR_DISABLE
, "IR DISABLE");
318 err
= gpio_direction_output(GPIO_NR_PALMT5_IR_DISABLE
, 1);
320 gpio_free(GPIO_NR_PALMT5_IR_DISABLE
);
325 static void palmt5_irda_shutdown(struct device
*dev
)
327 gpio_free(GPIO_NR_PALMT5_IR_DISABLE
);
330 static void palmt5_irda_transceiver_mode(struct device
*dev
, int mode
)
332 gpio_set_value(GPIO_NR_PALMT5_IR_DISABLE
, mode
& IR_OFF
);
333 pxa2xx_transceiver_mode(dev
, mode
);
336 static struct pxaficp_platform_data palmt5_ficp_platform_data
= {
337 .startup
= palmt5_irda_startup
,
338 .shutdown
= palmt5_irda_shutdown
,
339 .transceiver_cap
= IR_SIRMODE
| IR_FIRMODE
| IR_OFF
,
340 .transceiver_mode
= palmt5_irda_transceiver_mode
,
343 /******************************************************************************
345 ******************************************************************************/
346 static struct pxa2xx_udc_mach_info palmt5_udc_info __initdata
= {
347 .gpio_vbus
= GPIO_NR_PALMT5_USB_DETECT_N
,
348 .gpio_vbus_inverted
= 1,
349 .gpio_pullup
= GPIO_NR_PALMT5_USB_PULLUP
,
350 .gpio_pullup_inverted
= 0,
353 /******************************************************************************
355 ******************************************************************************/
356 static int power_supply_init(struct device
*dev
)
360 ret
= gpio_request(GPIO_NR_PALMT5_POWER_DETECT
, "CABLE_STATE_AC");
363 ret
= gpio_direction_input(GPIO_NR_PALMT5_POWER_DETECT
);
369 gpio_free(GPIO_NR_PALMT5_POWER_DETECT
);
374 static int palmt5_is_ac_online(void)
376 return gpio_get_value(GPIO_NR_PALMT5_POWER_DETECT
);
379 static void power_supply_exit(struct device
*dev
)
381 gpio_free(GPIO_NR_PALMT5_POWER_DETECT
);
384 static char *palmt5_supplicants
[] = {
388 static struct pda_power_pdata power_supply_info
= {
389 .init
= power_supply_init
,
390 .is_ac_online
= palmt5_is_ac_online
,
391 .exit
= power_supply_exit
,
392 .supplied_to
= palmt5_supplicants
,
393 .num_supplicants
= ARRAY_SIZE(palmt5_supplicants
),
396 static struct platform_device power_supply
= {
400 .platform_data
= &power_supply_info
,
404 /******************************************************************************
406 ******************************************************************************/
407 static struct wm97xx_batt_info wm97xx_batt_pdata
= {
408 .batt_aux
= WM97XX_AUX_ID3
,
409 .temp_aux
= WM97XX_AUX_ID2
,
411 .max_voltage
= PALMT5_BAT_MAX_VOLTAGE
,
412 .min_voltage
= PALMT5_BAT_MIN_VOLTAGE
,
417 .batt_tech
= POWER_SUPPLY_TECHNOLOGY_LIPO
,
418 .batt_name
= "main-batt",
421 /******************************************************************************
423 ******************************************************************************/
424 static struct palm27x_asoc_info palmt5_asoc_pdata
= {
425 .jack_gpio
= GPIO_NR_PALMT5_EARPHONE_DETECT
,
428 static pxa2xx_audio_ops_t palmt5_ac97_pdata
= {
432 static struct platform_device palmt5_asoc
= {
433 .name
= "palm27x-asoc",
436 .platform_data
= &palmt5_asoc_pdata
,
440 /******************************************************************************
442 ******************************************************************************/
443 static struct pxafb_mode_info palmt5_lcd_modes
[] = {
460 static struct pxafb_mach_info palmt5_lcd_screen
= {
461 .modes
= palmt5_lcd_modes
,
462 .num_modes
= ARRAY_SIZE(palmt5_lcd_modes
),
463 .lcd_conn
= LCD_COLOR_TFT_16BPP
| LCD_PCLK_EDGE_FALL
,
466 /******************************************************************************
467 * Power management - standby
468 ******************************************************************************/
470 static u32
*addr __initdata
;
471 static u32 resume
[3] __initdata
= {
472 0xe3a00101, /* mov r0, #0x40000000 */
473 0xe380060f, /* orr r0, r0, #0x00f00000 */
474 0xe590f008, /* ldr pc, [r0, #0x08] */
477 static int __init
palmt5_pm_init(void)
481 /* this is where the bootloader jumps */
482 addr
= phys_to_virt(PALMT5_STR_BASE
);
484 for (i
= 0; i
< 3; i
++)
490 device_initcall(palmt5_pm_init
);
493 /******************************************************************************
495 ******************************************************************************/
496 static struct platform_device
*devices
[] __initdata
= {
497 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
505 /* setup udc GPIOs initial state */
506 static void __init
palmt5_udc_init(void)
508 if (!gpio_request(GPIO_NR_PALMT5_USB_PULLUP
, "UDC Vbus")) {
509 gpio_direction_output(GPIO_NR_PALMT5_USB_PULLUP
, 1);
510 gpio_free(GPIO_NR_PALMT5_USB_PULLUP
);
514 static void __init
palmt5_init(void)
516 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config
));
518 set_pxa_fb_info(&palmt5_lcd_screen
);
519 pxa_set_mci_info(&palmt5_mci_platform_data
);
521 pxa_set_ac97_info(&palmt5_ac97_pdata
);
522 pxa_set_udc_info(&palmt5_udc_info
);
523 pxa_set_ficp_info(&palmt5_ficp_platform_data
);
524 pxa_set_keypad_info(&palmt5_keypad_platform_data
);
525 wm97xx_bat_set_pdata(&wm97xx_batt_pdata
);
526 platform_add_devices(devices
, ARRAY_SIZE(devices
));
529 MACHINE_START(PALMT5
, "Palm Tungsten|T5")
530 .phys_io
= PALMT5_PHYS_IO_START
,
531 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
532 .boot_params
= 0xa0000100,
533 .map_io
= pxa_map_io
,
534 .init_irq
= pxa27x_init_irq
,
536 .init_machine
= palmt5_init