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>
30 #include <linux/usb/gpio_vbus.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/palmtx.h>
40 #include <mach/pxafb.h>
41 #include <mach/irda.h>
42 #include <mach/pxa27x_keypad.h>
44 #include <mach/palmasoc.h>
49 /******************************************************************************
51 ******************************************************************************/
52 static unsigned long palmtx_pin_config[] __initdata = {
60 GPIO14_GPIO, /* SD detect */
61 GPIO114_GPIO, /* SD power */
62 GPIO115_GPIO, /* SD r/o switch */
66 GPIO29_AC97_SDATA_IN_0,
67 GPIO30_AC97_SDATA_OUT,
73 GPIO40_GPIO, /* ir disable */
81 GPIO13_GPIO, /* usb detect */
82 GPIO93_GPIO, /* usb power */
95 GPIO94_GPIO, /* wifi power 1 */
96 GPIO108_GPIO, /* wifi power 2 */
97 GPIO116_GPIO, /* wifi ready */
100 GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
101 GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
102 GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
103 GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
131 GPIO10_GPIO, /* hotsync button */
132 GPIO12_GPIO, /* power detect */
133 GPIO107_GPIO, /* earphone detect */
136 /******************************************************************************
137 * SD/MMC card controller
138 ******************************************************************************/
139 static int palmtx_mci_init(struct device *dev, irq_handler_t palmtx_detect_int,
144 /* Setup an interrupt for detecting card insert/remove events */
145 err = gpio_request(GPIO_NR_PALMTX_SD_DETECT_N, "SD IRQ");
148 err = gpio_direction_input(GPIO_NR_PALMTX_SD_DETECT_N);
151 err = request_irq(gpio_to_irq(GPIO_NR_PALMTX_SD_DETECT_N),
152 palmtx_detect_int, IRQF_DISABLED | IRQF_SAMPLE_RANDOM |
153 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
154 "SD/MMC card detect", data);
156 printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n",
161 err = gpio_request(GPIO_NR_PALMTX_SD_POWER, "SD_POWER");
164 err = gpio_direction_output(GPIO_NR_PALMTX_SD_POWER, 0);
168 err = gpio_request(GPIO_NR_PALMTX_SD_READONLY, "SD_READONLY");
171 err = gpio_direction_input(GPIO_NR_PALMTX_SD_READONLY);
175 printk(KERN_DEBUG "%s: irq registered\n", __func__);
180 gpio_free(GPIO_NR_PALMTX_SD_READONLY);
182 gpio_free(GPIO_NR_PALMTX_SD_POWER);
184 free_irq(gpio_to_irq(GPIO_NR_PALMTX_SD_DETECT_N), data);
186 gpio_free(GPIO_NR_PALMTX_SD_DETECT_N);
191 static void palmtx_mci_exit(struct device *dev, void *data)
193 gpio_free(GPIO_NR_PALMTX_SD_READONLY);
194 gpio_free(GPIO_NR_PALMTX_SD_POWER);
195 free_irq(gpio_to_irq(GPIO_NR_PALMTX_SD_DETECT_N), data);
196 gpio_free(GPIO_NR_PALMTX_SD_DETECT_N);
199 static void palmtx_mci_power(struct device *dev, unsigned int vdd)
201 struct pxamci_platform_data *p_d = dev->platform_data;
202 gpio_set_value(GPIO_NR_PALMTX_SD_POWER, p_d->ocr_mask & (1 << vdd));
205 static int palmtx_mci_get_ro(struct device *dev)
207 return gpio_get_value(GPIO_NR_PALMTX_SD_READONLY);
210 static struct pxamci_platform_data palmtx_mci_platform_data = {
211 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
212 .setpower = palmtx_mci_power,
213 .get_ro = palmtx_mci_get_ro,
214 .init = palmtx_mci_init,
215 .exit = palmtx_mci_exit,
218 /******************************************************************************
220 ******************************************************************************/
221 static unsigned int palmtx_matrix_keys[] = {
222 KEY(0, 0, KEY_POWER),
224 KEY(0, 2, KEY_ENTER),
233 KEY(3, 0, KEY_RIGHT),
237 static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data = {
238 .matrix_key_rows = 4,
239 .matrix_key_cols = 3,
240 .matrix_key_map = palmtx_matrix_keys,
241 .matrix_key_map_size = ARRAY_SIZE(palmtx_matrix_keys),
243 .debounce_interval = 30,
246 /******************************************************************************
248 ******************************************************************************/
249 static struct gpio_keys_button palmtx_pxa_buttons[] = {
250 {KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
253 static struct gpio_keys_platform_data palmtx_pxa_keys_data = {
254 .buttons = palmtx_pxa_buttons,
255 .nbuttons = ARRAY_SIZE(palmtx_pxa_buttons),
258 static struct platform_device palmtx_pxa_keys = {
262 .platform_data = &palmtx_pxa_keys_data,
266 /******************************************************************************
268 ******************************************************************************/
269 static int palmtx_backlight_init(struct device *dev)
273 ret = gpio_request(GPIO_NR_PALMTX_BL_POWER, "BL POWER");
276 ret = gpio_direction_output(GPIO_NR_PALMTX_BL_POWER, 0);
279 ret = gpio_request(GPIO_NR_PALMTX_LCD_POWER, "LCD POWER");
282 ret = gpio_direction_output(GPIO_NR_PALMTX_LCD_POWER, 0);
288 gpio_free(GPIO_NR_PALMTX_LCD_POWER);
290 gpio_free(GPIO_NR_PALMTX_BL_POWER);
295 static int palmtx_backlight_notify(int brightness)
297 gpio_set_value(GPIO_NR_PALMTX_BL_POWER, brightness);
298 gpio_set_value(GPIO_NR_PALMTX_LCD_POWER, brightness);
302 static void palmtx_backlight_exit(struct device *dev)
304 gpio_free(GPIO_NR_PALMTX_BL_POWER);
305 gpio_free(GPIO_NR_PALMTX_LCD_POWER);
308 static struct platform_pwm_backlight_data palmtx_backlight_data = {
310 .max_brightness = PALMTX_MAX_INTENSITY,
311 .dft_brightness = PALMTX_MAX_INTENSITY,
312 .pwm_period_ns = PALMTX_PERIOD_NS,
313 .init = palmtx_backlight_init,
314 .notify = palmtx_backlight_notify,
315 .exit = palmtx_backlight_exit,
318 static struct platform_device palmtx_backlight = {
319 .name = "pwm-backlight",
321 .parent = &pxa27x_device_pwm0.dev,
322 .platform_data = &palmtx_backlight_data,
326 /******************************************************************************
328 ******************************************************************************/
329 static int palmtx_irda_startup(struct device *dev)
332 err = gpio_request(GPIO_NR_PALMTX_IR_DISABLE, "IR DISABLE");
335 err = gpio_direction_output(GPIO_NR_PALMTX_IR_DISABLE, 1);
337 gpio_free(GPIO_NR_PALMTX_IR_DISABLE);
342 static void palmtx_irda_shutdown(struct device *dev)
344 gpio_free(GPIO_NR_PALMTX_IR_DISABLE);
347 static void palmtx_irda_transceiver_mode(struct device *dev, int mode)
349 gpio_set_value(GPIO_NR_PALMTX_IR_DISABLE, mode & IR_OFF);
350 pxa2xx_transceiver_mode(dev, mode);
353 static struct pxaficp_platform_data palmtx_ficp_platform_data = {
354 .startup = palmtx_irda_startup,
355 .shutdown = palmtx_irda_shutdown,
356 .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
357 .transceiver_mode = palmtx_irda_transceiver_mode,
360 /******************************************************************************
362 ******************************************************************************/
363 static struct gpio_vbus_mach_info palmtx_udc_info = {
364 .gpio_vbus = GPIO_NR_PALMTX_USB_DETECT_N,
365 .gpio_vbus_inverted = 1,
366 .gpio_pullup = GPIO_NR_PALMTX_USB_PULLUP,
369 static struct platform_device palmtx_gpio_vbus = {
373 .platform_data = &palmtx_udc_info,
377 /******************************************************************************
379 ******************************************************************************/
380 static int power_supply_init(struct device *dev)
384 ret = gpio_request(GPIO_NR_PALMTX_POWER_DETECT, "CABLE_STATE_AC");
387 ret = gpio_direction_input(GPIO_NR_PALMTX_POWER_DETECT);
394 gpio_free(GPIO_NR_PALMTX_POWER_DETECT);
399 static int palmtx_is_ac_online(void)
401 return gpio_get_value(GPIO_NR_PALMTX_POWER_DETECT);
404 static void power_supply_exit(struct device *dev)
406 gpio_free(GPIO_NR_PALMTX_POWER_DETECT);
409 static char *palmtx_supplicants[] = {
413 static struct pda_power_pdata power_supply_info = {
414 .init = power_supply_init,
415 .is_ac_online = palmtx_is_ac_online,
416 .exit = power_supply_exit,
417 .supplied_to = palmtx_supplicants,
418 .num_supplicants = ARRAY_SIZE(palmtx_supplicants),
421 static struct platform_device power_supply = {
425 .platform_data = &power_supply_info,
429 /******************************************************************************
431 ******************************************************************************/
432 static struct wm97xx_batt_info wm97xx_batt_pdata = {
433 .batt_aux = WM97XX_AUX_ID3,
434 .temp_aux = WM97XX_AUX_ID2,
436 .max_voltage = PALMTX_BAT_MAX_VOLTAGE,
437 .min_voltage = PALMTX_BAT_MIN_VOLTAGE,
442 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
443 .batt_name = "main-batt",
446 /******************************************************************************
448 ******************************************************************************/
449 static struct palm27x_asoc_info palmtx_asoc_pdata = {
450 .jack_gpio = GPIO_NR_PALMTX_EARPHONE_DETECT,
453 static pxa2xx_audio_ops_t palmtx_ac97_pdata = {
457 static struct platform_device palmtx_asoc = {
458 .name = "palm27x-asoc",
461 .platform_data = &palmtx_asoc_pdata,
465 /******************************************************************************
467 ******************************************************************************/
468 static struct pxafb_mode_info palmtx_lcd_modes[] = {
485 static struct pxafb_mach_info palmtx_lcd_screen = {
486 .modes = palmtx_lcd_modes,
487 .num_modes = ARRAY_SIZE(palmtx_lcd_modes),
488 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
491 /******************************************************************************
492 * Power management - standby
493 ******************************************************************************/
494 static void __init palmtx_pm_init(void)
496 static u32 resume[] = {
497 0xe3a00101, /* mov r0, #0x40000000 */
498 0xe380060f, /* orr r0, r0, #0x00f00000 */
499 0xe590f008, /* ldr pc, [r0, #0x08] */
502 /* copy the bootloader */
503 memcpy(phys_to_virt(PALMTX_STR_BASE), resume, sizeof(resume));
506 /******************************************************************************
508 ******************************************************************************/
509 static struct platform_device *devices[] __initdata = {
510 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
519 static struct map_desc palmtx_io_desc[] __initdata = {
521 .virtual = PALMTX_PCMCIA_VIRT,
522 .pfn = __phys_to_pfn(PALMTX_PCMCIA_PHYS),
523 .length = PALMTX_PCMCIA_SIZE,
528 static void __init palmtx_map_io(void)
531 iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc));
534 /* setup udc GPIOs initial state */
535 static void __init palmtx_udc_init(void)
537 if (!gpio_request(GPIO_NR_PALMTX_USB_PULLUP, "UDC Vbus")) {
538 gpio_direction_output(GPIO_NR_PALMTX_USB_PULLUP, 1);
539 gpio_free(GPIO_NR_PALMTX_USB_PULLUP);
544 static void __init palmtx_init(void)
546 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config));
549 set_pxa_fb_info(&palmtx_lcd_screen);
550 pxa_set_mci_info(&palmtx_mci_platform_data);
552 pxa_set_ac97_info(&palmtx_ac97_pdata);
553 pxa_set_ficp_info(&palmtx_ficp_platform_data);
554 pxa_set_keypad_info(&palmtx_keypad_platform_data);
555 wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
557 platform_add_devices(devices, ARRAY_SIZE(devices));
560 MACHINE_START(PALMTX, "Palm T|X")
561 .phys_io = PALMTX_PHYS_IO_START,
562 .io_pg_offst = io_p2v(0x40000000),
563 .boot_params = 0xa0000100,
564 .map_io = palmtx_map_io,
565 .init_irq = pxa27x_init_irq,
567 .init_machine = palmtx_init