2 * Hardware definitions for Palm LifeDrive
4 * Author: Marek Vasut <marek.vasut@gmail.com>
7 * Alex Osborne <ato@meshy.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
13 * (find more info at www.hackndev.com)
17 #include <linux/platform_device.h>
18 #include <linux/delay.h>
19 #include <linux/irq.h>
20 #include <linux/gpio_keys.h>
21 #include <linux/input.h>
22 #include <linux/pda_power.h>
23 #include <linux/pwm_backlight.h>
24 #include <linux/gpio.h>
25 #include <linux/wm97xx_batt.h>
26 #include <linux/power_supply.h>
27 #include <linux/sysdev.h>
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
33 #include <mach/pxa27x.h>
34 #include <mach/audio.h>
35 #include <mach/palmld.h>
37 #include <mach/pxafb.h>
38 #include <mach/irda.h>
39 #include <mach/pxa27x_keypad.h>
40 #include <mach/palmasoc.h>
45 /******************************************************************************
47 ******************************************************************************/
48 static unsigned long palmld_pin_config[] __initdata = {
56 GPIO14_GPIO, /* SD detect */
57 GPIO114_GPIO, /* SD power */
58 GPIO116_GPIO, /* SD r/o switch */
62 GPIO29_AC97_SDATA_IN_0,
63 GPIO30_AC97_SDATA_OUT,
69 GPIO108_GPIO, /* ir disable */
74 GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
75 GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
76 GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
77 GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
108 GPIO10_GPIO, /* hotsync button */
109 GPIO12_GPIO, /* power switch */
110 GPIO15_GPIO, /* lock switch */
113 GPIO52_GPIO, /* green led */
114 GPIO94_GPIO, /* orange led */
127 GPIO36_GPIO, /* wifi power */
128 GPIO38_GPIO, /* wifi ready */
129 GPIO81_GPIO, /* wifi reset */
136 GPIO98_GPIO, /* HDD reset */
137 GPIO115_GPIO, /* HDD power */
140 GPIO13_GPIO, /* earphone detect */
143 /******************************************************************************
144 * SD/MMC card controller
145 ******************************************************************************/
146 static int palmld_mci_init(struct device *dev, irq_handler_t palmld_detect_int,
151 /* Setup an interrupt for detecting card insert/remove events */
152 err = gpio_request(GPIO_NR_PALMLD_SD_DETECT_N, "SD IRQ");
155 err = gpio_direction_input(GPIO_NR_PALMLD_SD_DETECT_N);
158 err = request_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N),
159 palmld_detect_int, IRQF_DISABLED | IRQF_SAMPLE_RANDOM |
160 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
161 "SD/MMC card detect", data);
163 printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n",
168 err = gpio_request(GPIO_NR_PALMLD_SD_POWER, "SD_POWER");
171 err = gpio_direction_output(GPIO_NR_PALMLD_SD_POWER, 0);
175 err = gpio_request(GPIO_NR_PALMLD_SD_READONLY, "SD_READONLY");
178 err = gpio_direction_input(GPIO_NR_PALMLD_SD_READONLY);
182 printk(KERN_DEBUG "%s: irq registered\n", __func__);
187 gpio_free(GPIO_NR_PALMLD_SD_READONLY);
189 gpio_free(GPIO_NR_PALMLD_SD_POWER);
191 free_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N), data);
193 gpio_free(GPIO_NR_PALMLD_SD_DETECT_N);
198 static void palmld_mci_exit(struct device *dev, void *data)
200 gpio_free(GPIO_NR_PALMLD_SD_READONLY);
201 gpio_free(GPIO_NR_PALMLD_SD_POWER);
202 free_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N), data);
203 gpio_free(GPIO_NR_PALMLD_SD_DETECT_N);
206 static void palmld_mci_power(struct device *dev, unsigned int vdd)
208 struct pxamci_platform_data *p_d = dev->platform_data;
209 gpio_set_value(GPIO_NR_PALMLD_SD_POWER, p_d->ocr_mask & (1 << vdd));
212 static int palmld_mci_get_ro(struct device *dev)
214 return gpio_get_value(GPIO_NR_PALMLD_SD_READONLY);
217 static struct pxamci_platform_data palmld_mci_platform_data = {
218 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
219 .setpower = palmld_mci_power,
220 .get_ro = palmld_mci_get_ro,
221 .init = palmld_mci_init,
222 .exit = palmld_mci_exit,
225 /******************************************************************************
227 ******************************************************************************/
228 static unsigned int palmld_matrix_keys[] = {
234 KEY(1, 2, KEY_RIGHT),
241 KEY(3, 1, KEY_ENTER),
245 static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
246 .matrix_key_rows = 4,
247 .matrix_key_cols = 3,
248 .matrix_key_map = palmld_matrix_keys,
249 .matrix_key_map_size = ARRAY_SIZE(palmld_matrix_keys),
251 .debounce_interval = 30,
254 /******************************************************************************
256 ******************************************************************************/
257 static struct gpio_keys_button palmld_pxa_buttons[] = {
258 {KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
259 {KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" },
260 {KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" },
263 static struct gpio_keys_platform_data palmld_pxa_keys_data = {
264 .buttons = palmld_pxa_buttons,
265 .nbuttons = ARRAY_SIZE(palmld_pxa_buttons),
268 static struct platform_device palmld_pxa_keys = {
272 .platform_data = &palmld_pxa_keys_data,
276 /******************************************************************************
278 ******************************************************************************/
279 static int palmld_backlight_init(struct device *dev)
283 ret = gpio_request(GPIO_NR_PALMLD_BL_POWER, "BL POWER");
286 ret = gpio_direction_output(GPIO_NR_PALMLD_BL_POWER, 0);
289 ret = gpio_request(GPIO_NR_PALMLD_LCD_POWER, "LCD POWER");
292 ret = gpio_direction_output(GPIO_NR_PALMLD_LCD_POWER, 0);
298 gpio_free(GPIO_NR_PALMLD_LCD_POWER);
300 gpio_free(GPIO_NR_PALMLD_BL_POWER);
305 static int palmld_backlight_notify(int brightness)
307 gpio_set_value(GPIO_NR_PALMLD_BL_POWER, brightness);
308 gpio_set_value(GPIO_NR_PALMLD_LCD_POWER, brightness);
312 static void palmld_backlight_exit(struct device *dev)
314 gpio_free(GPIO_NR_PALMLD_BL_POWER);
315 gpio_free(GPIO_NR_PALMLD_LCD_POWER);
318 static struct platform_pwm_backlight_data palmld_backlight_data = {
320 .max_brightness = PALMLD_MAX_INTENSITY,
321 .dft_brightness = PALMLD_MAX_INTENSITY,
322 .pwm_period_ns = PALMLD_PERIOD_NS,
323 .init = palmld_backlight_init,
324 .notify = palmld_backlight_notify,
325 .exit = palmld_backlight_exit,
328 static struct platform_device palmld_backlight = {
329 .name = "pwm-backlight",
331 .parent = &pxa27x_device_pwm0.dev,
332 .platform_data = &palmld_backlight_data,
336 /******************************************************************************
338 ******************************************************************************/
339 static int palmld_irda_startup(struct device *dev)
342 err = gpio_request(GPIO_NR_PALMLD_IR_DISABLE, "IR DISABLE");
345 err = gpio_direction_output(GPIO_NR_PALMLD_IR_DISABLE, 1);
347 gpio_free(GPIO_NR_PALMLD_IR_DISABLE);
352 static void palmld_irda_shutdown(struct device *dev)
354 gpio_free(GPIO_NR_PALMLD_IR_DISABLE);
357 static void palmld_irda_transceiver_mode(struct device *dev, int mode)
359 gpio_set_value(GPIO_NR_PALMLD_IR_DISABLE, mode & IR_OFF);
360 pxa2xx_transceiver_mode(dev, mode);
363 static struct pxaficp_platform_data palmld_ficp_platform_data = {
364 .startup = palmld_irda_startup,
365 .shutdown = palmld_irda_shutdown,
366 .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
367 .transceiver_mode = palmld_irda_transceiver_mode,
370 /******************************************************************************
372 ******************************************************************************/
373 struct gpio_led gpio_leds[] = {
375 .name = "palmld:green:led",
376 .default_trigger = "none",
377 .gpio = GPIO_NR_PALMLD_LED_GREEN,
379 .name = "palmld:amber:led",
380 .default_trigger = "none",
381 .gpio = GPIO_NR_PALMLD_LED_AMBER,
385 static struct gpio_led_platform_data gpio_led_info = {
387 .num_leds = ARRAY_SIZE(gpio_leds),
390 static struct platform_device palmld_leds = {
394 .platform_data = &gpio_led_info,
398 /******************************************************************************
400 ******************************************************************************/
401 static int power_supply_init(struct device *dev)
405 ret = gpio_request(GPIO_NR_PALMLD_POWER_DETECT, "CABLE_STATE_AC");
408 ret = gpio_direction_input(GPIO_NR_PALMLD_POWER_DETECT);
412 ret = gpio_request(GPIO_NR_PALMLD_USB_DETECT_N, "CABLE_STATE_USB");
415 ret = gpio_direction_input(GPIO_NR_PALMLD_USB_DETECT_N);
422 gpio_free(GPIO_NR_PALMLD_USB_DETECT_N);
424 gpio_free(GPIO_NR_PALMLD_POWER_DETECT);
429 static int palmld_is_ac_online(void)
431 return gpio_get_value(GPIO_NR_PALMLD_POWER_DETECT);
434 static int palmld_is_usb_online(void)
436 return !gpio_get_value(GPIO_NR_PALMLD_USB_DETECT_N);
439 static void power_supply_exit(struct device *dev)
441 gpio_free(GPIO_NR_PALMLD_USB_DETECT_N);
442 gpio_free(GPIO_NR_PALMLD_POWER_DETECT);
445 static char *palmld_supplicants[] = {
449 static struct pda_power_pdata power_supply_info = {
450 .init = power_supply_init,
451 .is_ac_online = palmld_is_ac_online,
452 .is_usb_online = palmld_is_usb_online,
453 .exit = power_supply_exit,
454 .supplied_to = palmld_supplicants,
455 .num_supplicants = ARRAY_SIZE(palmld_supplicants),
458 static struct platform_device power_supply = {
462 .platform_data = &power_supply_info,
466 /******************************************************************************
468 ******************************************************************************/
469 static struct wm97xx_batt_info wm97xx_batt_pdata = {
470 .batt_aux = WM97XX_AUX_ID3,
471 .temp_aux = WM97XX_AUX_ID2,
473 .max_voltage = PALMLD_BAT_MAX_VOLTAGE,
474 .min_voltage = PALMLD_BAT_MIN_VOLTAGE,
479 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
480 .batt_name = "main-batt",
483 /******************************************************************************
485 ******************************************************************************/
486 static struct palm27x_asoc_info palmld_asoc_pdata = {
487 .jack_gpio = GPIO_NR_PALMLD_EARPHONE_DETECT,
490 static pxa2xx_audio_ops_t palmld_ac97_pdata = {
494 static struct platform_device palmld_asoc = {
495 .name = "palm27x-asoc",
498 .platform_data = &palmld_asoc_pdata,
502 /******************************************************************************
504 ******************************************************************************/
505 static struct platform_device palmld_hdd = {
506 .name = "pata_palmld",
510 /******************************************************************************
512 ******************************************************************************/
513 static struct pxafb_mode_info palmld_lcd_modes[] = {
530 static struct pxafb_mach_info palmld_lcd_screen = {
531 .modes = palmld_lcd_modes,
532 .num_modes = ARRAY_SIZE(palmld_lcd_modes),
533 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
536 /******************************************************************************
537 * Power management - standby
538 ******************************************************************************/
539 static void __init palmld_pm_init(void)
541 static u32 resume[] = {
542 0xe3a00101, /* mov r0, #0x40000000 */
543 0xe380060f, /* orr r0, r0, #0x00f00000 */
544 0xe590f008, /* ldr pc, [r0, #0x08] */
547 /* copy the bootloader */
548 memcpy(phys_to_virt(PALMLD_STR_BASE), resume, sizeof(resume));
551 /******************************************************************************
553 ******************************************************************************/
554 static struct platform_device *devices[] __initdata = {
555 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
565 static struct map_desc palmld_io_desc[] __initdata = {
567 .virtual = PALMLD_IDE_VIRT,
568 .pfn = __phys_to_pfn(PALMLD_IDE_PHYS),
569 .length = PALMLD_IDE_SIZE,
573 .virtual = PALMLD_USB_VIRT,
574 .pfn = __phys_to_pfn(PALMLD_USB_PHYS),
575 .length = PALMLD_USB_SIZE,
580 static void __init palmld_map_io(void)
583 iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
586 static void __init palmld_init(void)
588 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
591 set_pxa_fb_info(&palmld_lcd_screen);
592 pxa_set_mci_info(&palmld_mci_platform_data);
593 pxa_set_ac97_info(&palmld_ac97_pdata);
594 pxa_set_ficp_info(&palmld_ficp_platform_data);
595 pxa_set_keypad_info(&palmld_keypad_platform_data);
596 wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
598 platform_add_devices(devices, ARRAY_SIZE(devices));
601 MACHINE_START(PALMLD, "Palm LifeDrive")
602 .phys_io = PALMLD_PHYS_IO_START,
603 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
604 .boot_params = 0xa0000100,
605 .map_io = palmld_map_io,
606 .init_irq = pxa27x_init_irq,
608 .init_machine = palmld_init