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,
119 GPIO10_GPIO, /* hotsync button */
120 GPIO90_GPIO, /* power detect */
121 GPIO107_GPIO, /* earphone detect */
124 /******************************************************************************
125 * SD/MMC card controller
126 ******************************************************************************/
127 static struct pxamci_platform_data palmt5_mci_platform_data = {
128 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
129 .gpio_card_detect = GPIO_NR_PALMT5_SD_DETECT_N,
130 .gpio_card_ro = GPIO_NR_PALMT5_SD_READONLY,
131 .gpio_power = GPIO_NR_PALMT5_SD_POWER,
135 /******************************************************************************
137 ******************************************************************************/
138 static unsigned int palmt5_matrix_keys[] = {
139 KEY(0, 0, KEY_POWER),
141 KEY(0, 2, KEY_ENTER),
150 KEY(3, 0, KEY_RIGHT),
154 static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data = {
155 .matrix_key_rows = 4,
156 .matrix_key_cols = 3,
157 .matrix_key_map = palmt5_matrix_keys,
158 .matrix_key_map_size = ARRAY_SIZE(palmt5_matrix_keys),
160 .debounce_interval = 30,
163 /******************************************************************************
165 ******************************************************************************/
166 static struct gpio_keys_button palmt5_pxa_buttons[] = {
167 {KEY_F8, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
170 static struct gpio_keys_platform_data palmt5_pxa_keys_data = {
171 .buttons = palmt5_pxa_buttons,
172 .nbuttons = ARRAY_SIZE(palmt5_pxa_buttons),
175 static struct platform_device palmt5_pxa_keys = {
179 .platform_data = &palmt5_pxa_keys_data,
183 /******************************************************************************
185 ******************************************************************************/
186 static int palmt5_backlight_init(struct device *dev)
190 ret = gpio_request(GPIO_NR_PALMT5_BL_POWER, "BL POWER");
193 ret = gpio_direction_output(GPIO_NR_PALMT5_BL_POWER, 0);
196 ret = gpio_request(GPIO_NR_PALMT5_LCD_POWER, "LCD POWER");
199 ret = gpio_direction_output(GPIO_NR_PALMT5_LCD_POWER, 0);
205 gpio_free(GPIO_NR_PALMT5_LCD_POWER);
207 gpio_free(GPIO_NR_PALMT5_BL_POWER);
212 static int palmt5_backlight_notify(int brightness)
214 gpio_set_value(GPIO_NR_PALMT5_BL_POWER, brightness);
215 gpio_set_value(GPIO_NR_PALMT5_LCD_POWER, brightness);
219 static void palmt5_backlight_exit(struct device *dev)
221 gpio_free(GPIO_NR_PALMT5_BL_POWER);
222 gpio_free(GPIO_NR_PALMT5_LCD_POWER);
225 static struct platform_pwm_backlight_data palmt5_backlight_data = {
227 .max_brightness = PALMT5_MAX_INTENSITY,
228 .dft_brightness = PALMT5_MAX_INTENSITY,
229 .pwm_period_ns = PALMT5_PERIOD_NS,
230 .init = palmt5_backlight_init,
231 .notify = palmt5_backlight_notify,
232 .exit = palmt5_backlight_exit,
235 static struct platform_device palmt5_backlight = {
236 .name = "pwm-backlight",
238 .parent = &pxa27x_device_pwm0.dev,
239 .platform_data = &palmt5_backlight_data,
243 /******************************************************************************
245 ******************************************************************************/
246 static struct pxaficp_platform_data palmt5_ficp_platform_data = {
247 .gpio_pwdown = GPIO_NR_PALMT5_IR_DISABLE,
248 .transceiver_cap = IR_SIRMODE | IR_OFF,
251 /******************************************************************************
253 ******************************************************************************/
254 static struct gpio_vbus_mach_info palmt5_udc_info = {
255 .gpio_vbus = GPIO_NR_PALMT5_USB_DETECT_N,
256 .gpio_vbus_inverted = 1,
257 .gpio_pullup = GPIO_NR_PALMT5_USB_PULLUP,
260 static struct platform_device palmt5_gpio_vbus = {
264 .platform_data = &palmt5_udc_info,
268 /******************************************************************************
270 ******************************************************************************/
271 static int power_supply_init(struct device *dev)
275 ret = gpio_request(GPIO_NR_PALMT5_POWER_DETECT, "CABLE_STATE_AC");
278 ret = gpio_direction_input(GPIO_NR_PALMT5_POWER_DETECT);
284 gpio_free(GPIO_NR_PALMT5_POWER_DETECT);
289 static int palmt5_is_ac_online(void)
291 return gpio_get_value(GPIO_NR_PALMT5_POWER_DETECT);
294 static void power_supply_exit(struct device *dev)
296 gpio_free(GPIO_NR_PALMT5_POWER_DETECT);
299 static char *palmt5_supplicants[] = {
303 static struct pda_power_pdata power_supply_info = {
304 .init = power_supply_init,
305 .is_ac_online = palmt5_is_ac_online,
306 .exit = power_supply_exit,
307 .supplied_to = palmt5_supplicants,
308 .num_supplicants = ARRAY_SIZE(palmt5_supplicants),
311 static struct platform_device power_supply = {
315 .platform_data = &power_supply_info,
319 /******************************************************************************
321 ******************************************************************************/
322 static struct wm97xx_batt_info wm97xx_batt_pdata = {
323 .batt_aux = WM97XX_AUX_ID3,
324 .temp_aux = WM97XX_AUX_ID2,
326 .max_voltage = PALMT5_BAT_MAX_VOLTAGE,
327 .min_voltage = PALMT5_BAT_MIN_VOLTAGE,
332 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
333 .batt_name = "main-batt",
336 /******************************************************************************
338 ******************************************************************************/
339 static struct palm27x_asoc_info palmt5_asoc_pdata = {
340 .jack_gpio = GPIO_NR_PALMT5_EARPHONE_DETECT,
343 static pxa2xx_audio_ops_t palmt5_ac97_pdata = {
347 static struct platform_device palmt5_asoc = {
348 .name = "palm27x-asoc",
351 .platform_data = &palmt5_asoc_pdata,
355 /******************************************************************************
357 ******************************************************************************/
358 static struct pxafb_mode_info palmt5_lcd_modes[] = {
375 static struct pxafb_mach_info palmt5_lcd_screen = {
376 .modes = palmt5_lcd_modes,
377 .num_modes = ARRAY_SIZE(palmt5_lcd_modes),
378 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
381 /******************************************************************************
382 * Power management - standby
383 ******************************************************************************/
384 static void __init palmt5_pm_init(void)
386 static u32 resume[] = {
387 0xe3a00101, /* mov r0, #0x40000000 */
388 0xe380060f, /* orr r0, r0, #0x00f00000 */
389 0xe590f008, /* ldr pc, [r0, #0x08] */
392 /* copy the bootloader */
393 memcpy(phys_to_virt(PALMT5_STR_BASE), resume, sizeof(resume));
396 /******************************************************************************
398 ******************************************************************************/
399 static struct platform_device *devices[] __initdata = {
400 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
409 /* setup udc GPIOs initial state */
410 static void __init palmt5_udc_init(void)
412 if (!gpio_request(GPIO_NR_PALMT5_USB_PULLUP, "UDC Vbus")) {
413 gpio_direction_output(GPIO_NR_PALMT5_USB_PULLUP, 1);
414 gpio_free(GPIO_NR_PALMT5_USB_PULLUP);
418 static void __init palmt5_init(void)
420 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config));
422 pxa_set_ffuart_info(NULL);
423 pxa_set_btuart_info(NULL);
424 pxa_set_stuart_info(NULL);
427 set_pxa_fb_info(&palmt5_lcd_screen);
428 pxa_set_mci_info(&palmt5_mci_platform_data);
430 pxa_set_ac97_info(&palmt5_ac97_pdata);
431 pxa_set_ficp_info(&palmt5_ficp_platform_data);
432 pxa_set_keypad_info(&palmt5_keypad_platform_data);
433 wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
435 platform_add_devices(devices, ARRAY_SIZE(devices));
438 MACHINE_START(PALMT5, "Palm Tungsten|T5")
439 .phys_io = PALMT5_PHYS_IO_START,
440 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
441 .boot_params = 0xa0000100,
442 .map_io = pxa_map_io,
443 .init_irq = pxa27x_init_irq,
445 .init_machine = palmt5_init