2 * Hardware definitions for PalmTX
4 * Author: Marek Vasut <marek.vasut@gmail.com>
7 * Alex Osborne <ato@meshy.org>
8 * Cristiano P. <cristianop@users.sourceforge.net>
9 * Jan Herman <2hp@seznam.cz>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
16 * (find more info at www.hackndev.com)
20 #include <linux/platform_device.h>
21 #include <linux/delay.h>
22 #include <linux/irq.h>
23 #include <linux/gpio_keys.h>
24 #include <linux/input.h>
25 #include <linux/pda_power.h>
26 #include <linux/pwm_backlight.h>
27 #include <linux/gpio.h>
28 #include <linux/wm97xx_batt.h>
29 #include <linux/power_supply.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/palmtx.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 palmtx_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 */
80 GPIO13_GPIO
, /* usb detect */
81 GPIO93_GPIO
, /* usb power */
94 GPIO94_GPIO
, /* wifi power 1 */
95 GPIO108_GPIO
, /* wifi power 2 */
96 GPIO116_GPIO
, /* wifi ready */
99 GPIO100_KP_MKIN_0
| WAKEUP_ON_LEVEL_HIGH
,
100 GPIO101_KP_MKIN_1
| WAKEUP_ON_LEVEL_HIGH
,
101 GPIO102_KP_MKIN_2
| WAKEUP_ON_LEVEL_HIGH
,
102 GPIO97_KP_MKIN_3
| WAKEUP_ON_LEVEL_HIGH
,
130 GPIO10_GPIO
, /* hotsync button */
131 GPIO12_GPIO
, /* power detect */
132 GPIO107_GPIO
, /* earphone detect */
135 /******************************************************************************
136 * SD/MMC card controller
137 ******************************************************************************/
138 static int palmtx_mci_init(struct device
*dev
, irq_handler_t palmtx_detect_int
,
143 /* Setup an interrupt for detecting card insert/remove events */
144 err
= gpio_request(GPIO_NR_PALMTX_SD_DETECT_N
, "SD IRQ");
147 err
= gpio_direction_input(GPIO_NR_PALMTX_SD_DETECT_N
);
150 err
= request_irq(gpio_to_irq(GPIO_NR_PALMTX_SD_DETECT_N
),
151 palmtx_detect_int
, IRQF_DISABLED
| IRQF_SAMPLE_RANDOM
|
152 IRQF_TRIGGER_FALLING
| IRQF_TRIGGER_RISING
,
153 "SD/MMC card detect", data
);
155 printk(KERN_ERR
"%s: cannot request SD/MMC card detect IRQ\n",
160 err
= gpio_request(GPIO_NR_PALMTX_SD_POWER
, "SD_POWER");
163 err
= gpio_direction_output(GPIO_NR_PALMTX_SD_POWER
, 0);
167 err
= gpio_request(GPIO_NR_PALMTX_SD_READONLY
, "SD_READONLY");
170 err
= gpio_direction_input(GPIO_NR_PALMTX_SD_READONLY
);
174 printk(KERN_DEBUG
"%s: irq registered\n", __func__
);
179 gpio_free(GPIO_NR_PALMTX_SD_READONLY
);
181 gpio_free(GPIO_NR_PALMTX_SD_POWER
);
183 free_irq(gpio_to_irq(GPIO_NR_PALMTX_SD_DETECT_N
), data
);
185 gpio_free(GPIO_NR_PALMTX_SD_DETECT_N
);
190 static void palmtx_mci_exit(struct device
*dev
, void *data
)
192 gpio_free(GPIO_NR_PALMTX_SD_READONLY
);
193 gpio_free(GPIO_NR_PALMTX_SD_POWER
);
194 free_irq(gpio_to_irq(GPIO_NR_PALMTX_SD_DETECT_N
), data
);
195 gpio_free(GPIO_NR_PALMTX_SD_DETECT_N
);
198 static void palmtx_mci_power(struct device
*dev
, unsigned int vdd
)
200 struct pxamci_platform_data
*p_d
= dev
->platform_data
;
201 gpio_set_value(GPIO_NR_PALMTX_SD_POWER
, p_d
->ocr_mask
& (1 << vdd
));
204 static int palmtx_mci_get_ro(struct device
*dev
)
206 return gpio_get_value(GPIO_NR_PALMTX_SD_READONLY
);
209 static struct pxamci_platform_data palmtx_mci_platform_data
= {
210 .ocr_mask
= MMC_VDD_32_33
| MMC_VDD_33_34
,
211 .setpower
= palmtx_mci_power
,
212 .get_ro
= palmtx_mci_get_ro
,
213 .init
= palmtx_mci_init
,
214 .exit
= palmtx_mci_exit
,
217 /******************************************************************************
219 ******************************************************************************/
220 static unsigned int palmtx_matrix_keys
[] = {
221 KEY(0, 0, KEY_POWER
),
223 KEY(0, 2, KEY_ENTER
),
232 KEY(3, 0, KEY_RIGHT
),
236 static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data
= {
237 .matrix_key_rows
= 4,
238 .matrix_key_cols
= 3,
239 .matrix_key_map
= palmtx_matrix_keys
,
240 .matrix_key_map_size
= ARRAY_SIZE(palmtx_matrix_keys
),
242 .debounce_interval
= 30,
245 /******************************************************************************
247 ******************************************************************************/
248 static struct gpio_keys_button palmtx_pxa_buttons
[] = {
249 {KEY_F8
, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N
, 1, "HotSync Button" },
252 static struct gpio_keys_platform_data palmtx_pxa_keys_data
= {
253 .buttons
= palmtx_pxa_buttons
,
254 .nbuttons
= ARRAY_SIZE(palmtx_pxa_buttons
),
257 static struct platform_device palmtx_pxa_keys
= {
261 .platform_data
= &palmtx_pxa_keys_data
,
265 /******************************************************************************
267 ******************************************************************************/
268 static int palmtx_backlight_init(struct device
*dev
)
272 ret
= gpio_request(GPIO_NR_PALMTX_BL_POWER
, "BL POWER");
275 ret
= gpio_direction_output(GPIO_NR_PALMTX_BL_POWER
, 0);
278 ret
= gpio_request(GPIO_NR_PALMTX_LCD_POWER
, "LCD POWER");
281 ret
= gpio_direction_output(GPIO_NR_PALMTX_LCD_POWER
, 0);
287 gpio_free(GPIO_NR_PALMTX_LCD_POWER
);
289 gpio_free(GPIO_NR_PALMTX_BL_POWER
);
294 static int palmtx_backlight_notify(int brightness
)
296 gpio_set_value(GPIO_NR_PALMTX_BL_POWER
, brightness
);
297 gpio_set_value(GPIO_NR_PALMTX_LCD_POWER
, brightness
);
301 static void palmtx_backlight_exit(struct device
*dev
)
303 gpio_free(GPIO_NR_PALMTX_BL_POWER
);
304 gpio_free(GPIO_NR_PALMTX_LCD_POWER
);
307 static struct platform_pwm_backlight_data palmtx_backlight_data
= {
309 .max_brightness
= PALMTX_MAX_INTENSITY
,
310 .dft_brightness
= PALMTX_MAX_INTENSITY
,
311 .pwm_period_ns
= PALMTX_PERIOD_NS
,
312 .init
= palmtx_backlight_init
,
313 .notify
= palmtx_backlight_notify
,
314 .exit
= palmtx_backlight_exit
,
317 static struct platform_device palmtx_backlight
= {
318 .name
= "pwm-backlight",
320 .parent
= &pxa27x_device_pwm0
.dev
,
321 .platform_data
= &palmtx_backlight_data
,
325 /******************************************************************************
327 ******************************************************************************/
328 static int palmtx_irda_startup(struct device
*dev
)
331 err
= gpio_request(GPIO_NR_PALMTX_IR_DISABLE
, "IR DISABLE");
334 err
= gpio_direction_output(GPIO_NR_PALMTX_IR_DISABLE
, 1);
336 gpio_free(GPIO_NR_PALMTX_IR_DISABLE
);
341 static void palmtx_irda_shutdown(struct device
*dev
)
343 gpio_free(GPIO_NR_PALMTX_IR_DISABLE
);
346 static void palmtx_irda_transceiver_mode(struct device
*dev
, int mode
)
348 gpio_set_value(GPIO_NR_PALMTX_IR_DISABLE
, mode
& IR_OFF
);
349 pxa2xx_transceiver_mode(dev
, mode
);
352 static struct pxaficp_platform_data palmtx_ficp_platform_data
= {
353 .startup
= palmtx_irda_startup
,
354 .shutdown
= palmtx_irda_shutdown
,
355 .transceiver_cap
= IR_SIRMODE
| IR_FIRMODE
| IR_OFF
,
356 .transceiver_mode
= palmtx_irda_transceiver_mode
,
359 /******************************************************************************
361 ******************************************************************************/
362 static struct pxa2xx_udc_mach_info palmtx_udc_info __initdata
= {
363 .gpio_vbus
= GPIO_NR_PALMTX_USB_DETECT_N
,
364 .gpio_vbus_inverted
= 1,
365 .gpio_pullup
= GPIO_NR_PALMTX_USB_PULLUP
,
366 .gpio_pullup_inverted
= 0,
369 /******************************************************************************
371 ******************************************************************************/
372 static int power_supply_init(struct device
*dev
)
376 ret
= gpio_request(GPIO_NR_PALMTX_POWER_DETECT
, "CABLE_STATE_AC");
379 ret
= gpio_direction_input(GPIO_NR_PALMTX_POWER_DETECT
);
386 gpio_free(GPIO_NR_PALMTX_POWER_DETECT
);
391 static int palmtx_is_ac_online(void)
393 return gpio_get_value(GPIO_NR_PALMTX_POWER_DETECT
);
396 static void power_supply_exit(struct device
*dev
)
398 gpio_free(GPIO_NR_PALMTX_POWER_DETECT
);
401 static char *palmtx_supplicants
[] = {
405 static struct pda_power_pdata power_supply_info
= {
406 .init
= power_supply_init
,
407 .is_ac_online
= palmtx_is_ac_online
,
408 .exit
= power_supply_exit
,
409 .supplied_to
= palmtx_supplicants
,
410 .num_supplicants
= ARRAY_SIZE(palmtx_supplicants
),
413 static struct platform_device power_supply
= {
417 .platform_data
= &power_supply_info
,
421 /******************************************************************************
423 ******************************************************************************/
424 static struct wm97xx_batt_info wm97xx_batt_pdata
= {
425 .batt_aux
= WM97XX_AUX_ID3
,
426 .temp_aux
= WM97XX_AUX_ID2
,
428 .max_voltage
= PALMTX_BAT_MAX_VOLTAGE
,
429 .min_voltage
= PALMTX_BAT_MIN_VOLTAGE
,
434 .batt_tech
= POWER_SUPPLY_TECHNOLOGY_LIPO
,
435 .batt_name
= "main-batt",
438 /******************************************************************************
440 ******************************************************************************/
441 static struct palm27x_asoc_info palmtx_asoc_pdata
= {
442 .jack_gpio
= GPIO_NR_PALMTX_EARPHONE_DETECT
,
445 static pxa2xx_audio_ops_t palmtx_ac97_pdata
= {
449 static struct platform_device palmtx_asoc
= {
450 .name
= "palm27x-asoc",
453 .platform_data
= &palmtx_asoc_pdata
,
457 /******************************************************************************
459 ******************************************************************************/
460 static struct pxafb_mode_info palmtx_lcd_modes
[] = {
477 static struct pxafb_mach_info palmtx_lcd_screen
= {
478 .modes
= palmtx_lcd_modes
,
479 .num_modes
= ARRAY_SIZE(palmtx_lcd_modes
),
480 .lcd_conn
= LCD_COLOR_TFT_16BPP
| LCD_PCLK_EDGE_FALL
,
483 /******************************************************************************
484 * Power management - standby
485 ******************************************************************************/
487 static u32
*addr __initdata
;
488 static u32 resume
[3] __initdata
= {
489 0xe3a00101, /* mov r0, #0x40000000 */
490 0xe380060f, /* orr r0, r0, #0x00f00000 */
491 0xe590f008, /* ldr pc, [r0, #0x08] */
494 static int __init
palmtx_pm_init(void)
498 /* this is where the bootloader jumps */
499 addr
= phys_to_virt(PALMTX_STR_BASE
);
501 for (i
= 0; i
< 3; i
++)
507 device_initcall(palmtx_pm_init
);
510 /******************************************************************************
512 ******************************************************************************/
513 static struct platform_device
*devices
[] __initdata
= {
514 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
522 static struct map_desc palmtx_io_desc
[] __initdata
= {
524 .virtual = PALMTX_PCMCIA_VIRT
,
525 .pfn
= __phys_to_pfn(PALMTX_PCMCIA_PHYS
),
526 .length
= PALMTX_PCMCIA_SIZE
,
531 static void __init
palmtx_map_io(void)
534 iotable_init(palmtx_io_desc
, ARRAY_SIZE(palmtx_io_desc
));
537 /* setup udc GPIOs initial state */
538 static void __init
palmtx_udc_init(void)
540 if (!gpio_request(GPIO_NR_PALMTX_USB_PULLUP
, "UDC Vbus")) {
541 gpio_direction_output(GPIO_NR_PALMTX_USB_PULLUP
, 1);
542 gpio_free(GPIO_NR_PALMTX_USB_PULLUP
);
547 static void __init
palmtx_init(void)
549 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config
));
551 set_pxa_fb_info(&palmtx_lcd_screen
);
552 pxa_set_mci_info(&palmtx_mci_platform_data
);
554 pxa_set_ac97_info(&palmtx_ac97_pdata
);
555 pxa_set_udc_info(&palmtx_udc_info
);
556 pxa_set_ficp_info(&palmtx_ficp_platform_data
);
557 pxa_set_keypad_info(&palmtx_keypad_platform_data
);
558 wm97xx_bat_set_pdata(&wm97xx_batt_pdata
);
560 platform_add_devices(devices
, ARRAY_SIZE(devices
));
563 MACHINE_START(PALMTX
, "Palm T|X")
564 .phys_io
= PALMTX_PHYS_IO_START
,
565 .io_pg_offst
= io_p2v(0x40000000),
566 .boot_params
= 0xa0000100,
567 .map_io
= palmtx_map_io
,
568 .init_irq
= pxa27x_init_irq
,
570 .init_machine
= palmtx_init