2 * Hardware definitions for Palm Zire72
5 * Vladimir "Farcaller" Pouzanov <farcaller@gmail.com>
6 * Sergey Lapin <slapin@ossfans.org>
7 * Alex Osborne <bobofdoom@gmail.com>
8 * Jan Herman <2hp@seznam.cz>
10 * Rewrite for mainline:
11 * Marek Vasut <marek.vasut@gmail.com>
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License version 2 as
15 * published by the Free Software Foundation.
17 * (find more info at www.hackndev.com)
21 #include <linux/platform_device.h>
22 #include <linux/sysdev.h>
23 #include <linux/delay.h>
24 #include <linux/irq.h>
25 #include <linux/gpio_keys.h>
26 #include <linux/input.h>
27 #include <linux/pda_power.h>
28 #include <linux/pwm_backlight.h>
29 #include <linux/gpio.h>
30 #include <linux/wm97xx_batt.h>
31 #include <linux/power_supply.h>
32 #include <linux/usb/gpio_vbus.h>
34 #include <asm/mach-types.h>
35 #include <asm/mach/arch.h>
36 #include <asm/mach/map.h>
38 #include <mach/pxa27x.h>
39 #include <mach/audio.h>
40 #include <mach/palmz72.h>
42 #include <mach/pxafb.h>
43 #include <mach/irda.h>
44 #include <mach/pxa27x_keypad.h>
46 #include <mach/palmasoc.h>
53 /******************************************************************************
55 ******************************************************************************/
56 static unsigned long palmz72_pin_config[] __initdata = {
64 GPIO14_GPIO, /* SD detect */
65 GPIO115_GPIO, /* SD RO */
66 GPIO98_GPIO, /* SD power */
70 GPIO29_AC97_SDATA_IN_0,
71 GPIO30_AC97_SDATA_OUT,
77 GPIO49_GPIO, /* ir disable */
85 GPIO15_GPIO, /* usb detect */
86 GPIO95_GPIO, /* usb pullup */
89 GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
90 GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
91 GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
92 GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
100 GPIO20_GPIO, /* bl power */
101 GPIO21_GPIO, /* LCD border switch */
102 GPIO22_GPIO, /* LCD border color */
103 GPIO96_GPIO, /* lcd power */
106 GPIO0_GPIO | WAKEUP_ON_LEVEL_HIGH, /* power detect */
107 GPIO88_GPIO, /* green led */
108 GPIO27_GPIO, /* WM9712 IRQ */
111 /******************************************************************************
112 * SD/MMC card controller
113 ******************************************************************************/
114 /* SD_POWER is not actually power, but it is more like chip
115 * select, i.e. it is inverted */
116 static struct pxamci_platform_data palmz72_mci_platform_data = {
117 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
118 .gpio_card_detect = GPIO_NR_PALMZ72_SD_DETECT_N,
119 .gpio_card_ro = GPIO_NR_PALMZ72_SD_RO,
120 .gpio_power = GPIO_NR_PALMZ72_SD_POWER_N,
121 .gpio_power_invert = 1,
124 /******************************************************************************
126 ******************************************************************************/
127 static unsigned int palmz72_matrix_keys[] = {
128 KEY(0, 0, KEY_POWER),
130 KEY(0, 2, KEY_ENTER),
139 KEY(3, 0, KEY_RIGHT),
143 static struct pxa27x_keypad_platform_data palmz72_keypad_platform_data = {
144 .matrix_key_rows = 4,
145 .matrix_key_cols = 3,
146 .matrix_key_map = palmz72_matrix_keys,
147 .matrix_key_map_size = ARRAY_SIZE(palmz72_matrix_keys),
149 .debounce_interval = 30,
152 /******************************************************************************
154 ******************************************************************************/
155 static int palmz72_backlight_init(struct device *dev)
159 ret = gpio_request(GPIO_NR_PALMZ72_BL_POWER, "BL POWER");
162 ret = gpio_direction_output(GPIO_NR_PALMZ72_BL_POWER, 0);
165 ret = gpio_request(GPIO_NR_PALMZ72_LCD_POWER, "LCD POWER");
168 ret = gpio_direction_output(GPIO_NR_PALMZ72_LCD_POWER, 0);
174 gpio_free(GPIO_NR_PALMZ72_LCD_POWER);
176 gpio_free(GPIO_NR_PALMZ72_BL_POWER);
181 static int palmz72_backlight_notify(struct device *dev, int brightness)
183 gpio_set_value(GPIO_NR_PALMZ72_BL_POWER, brightness);
184 gpio_set_value(GPIO_NR_PALMZ72_LCD_POWER, brightness);
188 static void palmz72_backlight_exit(struct device *dev)
190 gpio_free(GPIO_NR_PALMZ72_BL_POWER);
191 gpio_free(GPIO_NR_PALMZ72_LCD_POWER);
194 static struct platform_pwm_backlight_data palmz72_backlight_data = {
196 .max_brightness = PALMZ72_MAX_INTENSITY,
197 .dft_brightness = PALMZ72_MAX_INTENSITY,
198 .pwm_period_ns = PALMZ72_PERIOD_NS,
199 .init = palmz72_backlight_init,
200 .notify = palmz72_backlight_notify,
201 .exit = palmz72_backlight_exit,
204 static struct platform_device palmz72_backlight = {
205 .name = "pwm-backlight",
207 .parent = &pxa27x_device_pwm0.dev,
208 .platform_data = &palmz72_backlight_data,
212 /******************************************************************************
214 ******************************************************************************/
215 static struct pxaficp_platform_data palmz72_ficp_platform_data = {
216 .gpio_pwdown = GPIO_NR_PALMZ72_IR_DISABLE,
217 .transceiver_cap = IR_SIRMODE | IR_OFF,
220 /******************************************************************************
222 ******************************************************************************/
223 static struct gpio_led gpio_leds[] = {
225 .name = "palmz72:green:led",
226 .default_trigger = "none",
227 .gpio = GPIO_NR_PALMZ72_LED_GREEN,
231 static struct gpio_led_platform_data gpio_led_info = {
233 .num_leds = ARRAY_SIZE(gpio_leds),
236 static struct platform_device palmz72_leds = {
240 .platform_data = &gpio_led_info,
244 /******************************************************************************
246 ******************************************************************************/
247 static struct gpio_vbus_mach_info palmz72_udc_info = {
248 .gpio_vbus = GPIO_NR_PALMZ72_USB_DETECT_N,
249 .gpio_pullup = GPIO_NR_PALMZ72_USB_PULLUP,
252 static struct platform_device palmz72_gpio_vbus = {
256 .platform_data = &palmz72_udc_info,
260 /******************************************************************************
262 ******************************************************************************/
263 static int power_supply_init(struct device *dev)
267 ret = gpio_request(GPIO_NR_PALMZ72_POWER_DETECT, "CABLE_STATE_AC");
270 ret = gpio_direction_input(GPIO_NR_PALMZ72_POWER_DETECT);
274 ret = gpio_request(GPIO_NR_PALMZ72_USB_DETECT_N, "CABLE_STATE_USB");
277 ret = gpio_direction_input(GPIO_NR_PALMZ72_USB_DETECT_N);
283 gpio_free(GPIO_NR_PALMZ72_USB_DETECT_N);
285 gpio_free(GPIO_NR_PALMZ72_POWER_DETECT);
290 static int palmz72_is_ac_online(void)
292 return gpio_get_value(GPIO_NR_PALMZ72_POWER_DETECT);
295 static int palmz72_is_usb_online(void)
297 return !gpio_get_value(GPIO_NR_PALMZ72_USB_DETECT_N);
300 static void power_supply_exit(struct device *dev)
302 gpio_free(GPIO_NR_PALMZ72_USB_DETECT_N);
303 gpio_free(GPIO_NR_PALMZ72_POWER_DETECT);
306 static char *palmz72_supplicants[] = {
310 static struct pda_power_pdata power_supply_info = {
311 .init = power_supply_init,
312 .is_ac_online = palmz72_is_ac_online,
313 .is_usb_online = palmz72_is_usb_online,
314 .exit = power_supply_exit,
315 .supplied_to = palmz72_supplicants,
316 .num_supplicants = ARRAY_SIZE(palmz72_supplicants),
319 static struct platform_device power_supply = {
323 .platform_data = &power_supply_info,
327 /******************************************************************************
329 ******************************************************************************/
330 static struct wm97xx_batt_info wm97xx_batt_pdata = {
331 .batt_aux = WM97XX_AUX_ID3,
332 .temp_aux = WM97XX_AUX_ID2,
334 .max_voltage = PALMZ72_BAT_MAX_VOLTAGE,
335 .min_voltage = PALMZ72_BAT_MIN_VOLTAGE,
340 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
341 .batt_name = "main-batt",
344 /******************************************************************************
346 ******************************************************************************/
347 static struct platform_device palmz72_asoc = {
348 .name = "palm27x-asoc",
352 /******************************************************************************
354 ******************************************************************************/
355 static struct pxafb_mode_info palmz72_lcd_modes[] = {
372 static struct pxafb_mach_info palmz72_lcd_screen = {
373 .modes = palmz72_lcd_modes,
374 .num_modes = ARRAY_SIZE(palmz72_lcd_modes),
375 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
380 /* We have some black magic here
381 * PalmOS ROM on recover expects special struct physical address
382 * to be transferred via PSPR. Using this struct PalmOS restores
383 * its state after sleep. As for Linux, we need to setup it the
384 * same way. More than that, PalmOS ROM changes some values in memory.
385 * For now only one location is found, which needs special treatment.
386 * Thanks to Alex Osborne, Andrzej Zaborowski, and lots of other people
387 * for reading backtraces for me :)
390 #define PALMZ72_SAVE_DWORD ((unsigned long *)0xc0000050)
392 static struct palmz72_resume_info palmz72_resume_info = {
396 /* reset state, MMU off etc */
404 static unsigned long store_ptr;
406 /* sys_device for Palm Zire 72 PM */
408 static int palmz72_pm_suspend(struct sys_device *dev, pm_message_t msg)
410 /* setup the resume_info struct for the original bootloader */
411 palmz72_resume_info.resume_addr = (u32) pxa_cpu_resume;
413 /* Storing memory touched by ROM */
414 store_ptr = *PALMZ72_SAVE_DWORD;
416 /* Setting PSPR to a proper value */
417 PSPR = virt_to_phys(&palmz72_resume_info);
422 static int palmz72_pm_resume(struct sys_device *dev)
424 *PALMZ72_SAVE_DWORD = store_ptr;
428 static struct sysdev_class palmz72_pm_sysclass = {
429 .name = "palmz72_pm",
430 .suspend = palmz72_pm_suspend,
431 .resume = palmz72_pm_resume,
434 static struct sys_device palmz72_pm_device = {
435 .cls = &palmz72_pm_sysclass,
438 static int __init palmz72_pm_init(void)
441 if (machine_is_palmz72()) {
442 ret = sysdev_class_register(&palmz72_pm_sysclass);
444 ret = sysdev_register(&palmz72_pm_device);
449 device_initcall(palmz72_pm_init);
452 /******************************************************************************
454 ******************************************************************************/
455 static struct platform_device *devices[] __initdata = {
463 /* setup udc GPIOs initial state */
464 static void __init palmz72_udc_init(void)
466 if (!gpio_request(GPIO_NR_PALMZ72_USB_PULLUP, "USB Pullup")) {
467 gpio_direction_output(GPIO_NR_PALMZ72_USB_PULLUP, 0);
468 gpio_free(GPIO_NR_PALMZ72_USB_PULLUP);
472 static void __init palmz72_init(void)
474 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmz72_pin_config));
476 pxa_set_ffuart_info(NULL);
477 pxa_set_btuart_info(NULL);
478 pxa_set_stuart_info(NULL);
480 set_pxa_fb_info(&palmz72_lcd_screen);
481 pxa_set_mci_info(&palmz72_mci_platform_data);
483 pxa_set_ac97_info(NULL);
484 pxa_set_ficp_info(&palmz72_ficp_platform_data);
485 pxa_set_keypad_info(&palmz72_keypad_platform_data);
486 wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
488 platform_add_devices(devices, ARRAY_SIZE(devices));
491 MACHINE_START(PALMZ72, "Palm Zire72")
492 .phys_io = 0x40000000,
493 .io_pg_offst = io_p2v(0x40000000),
494 .boot_params = 0xa0000100,
495 .map_io = pxa_map_io,
496 .init_irq = pxa27x_init_irq,
498 .init_machine = palmz72_init