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