2 * Hardware definitions for Palm Tungsten|E2
5 * Carlos Eduardo Medaglia Dyonisio <cadu@nerdfeliz.com>
7 * Rewrite for mainline:
8 * Marek Vasut <marek.vasut@gmail.com>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
14 * (find more info at www.hackndev.com)
18 #include <linux/platform_device.h>
19 #include <linux/delay.h>
20 #include <linux/irq.h>
21 #include <linux/gpio_keys.h>
22 #include <linux/input.h>
23 #include <linux/pda_power.h>
24 #include <linux/pwm_backlight.h>
25 #include <linux/gpio.h>
26 #include <linux/wm97xx_batt.h>
27 #include <linux/power_supply.h>
28 #include <linux/usb/gpio_vbus.h>
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
34 #include <mach/audio.h>
35 #include <mach/palmte2.h>
37 #include <mach/pxafb.h>
38 #include <mach/mfp-pxa25x.h>
39 #include <mach/irda.h>
41 #include <mach/palmasoc.h>
46 /******************************************************************************
48 ******************************************************************************/
49 static unsigned long palmte2_pin_config[] __initdata = {
53 GPIO10_GPIO, /* SD detect */
54 GPIO55_GPIO, /* SD power */
55 GPIO51_GPIO, /* SD r/o switch */
59 GPIO29_AC97_SDATA_IN_0,
60 GPIO30_AC97_SDATA_OUT,
67 GPIO15_GPIO, /* usb detect */
68 GPIO53_GPIO, /* usb power */
71 GPIO48_GPIO, /* ir disable */
98 GPIO5_GPIO, /* notes */
99 GPIO7_GPIO, /* tasks */
100 GPIO11_GPIO, /* calendar */
101 GPIO13_GPIO, /* contacts */
102 GPIO14_GPIO, /* center */
103 GPIO19_GPIO, /* left */
104 GPIO20_GPIO, /* right */
105 GPIO21_GPIO, /* down */
106 GPIO22_GPIO, /* up */
109 GPIO1_RST, /* reset */
110 GPIO4_GPIO, /* Hotsync button */
111 GPIO9_GPIO, /* power detect */
112 GPIO15_GPIO, /* earphone detect */
113 GPIO37_GPIO, /* LCD power */
114 GPIO56_GPIO, /* Backlight power */
117 /******************************************************************************
118 * SD/MMC card controller
119 ******************************************************************************/
120 static struct pxamci_platform_data palmte2_mci_platform_data = {
121 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
122 .gpio_card_detect = GPIO_NR_PALMTE2_SD_DETECT_N,
123 .gpio_card_ro = GPIO_NR_PALMTE2_SD_READONLY,
124 .gpio_power = GPIO_NR_PALMTE2_SD_POWER,
127 /******************************************************************************
129 ******************************************************************************/
130 static struct gpio_keys_button palmte2_pxa_buttons[] = {
131 {KEY_F1, GPIO_NR_PALMTE2_KEY_CONTACTS, 1, "Contacts" },
132 {KEY_F2, GPIO_NR_PALMTE2_KEY_CALENDAR, 1, "Calendar" },
133 {KEY_F3, GPIO_NR_PALMTE2_KEY_TASKS, 1, "Tasks" },
134 {KEY_F4, GPIO_NR_PALMTE2_KEY_NOTES, 1, "Notes" },
135 {KEY_ENTER, GPIO_NR_PALMTE2_KEY_CENTER, 1, "Center" },
136 {KEY_LEFT, GPIO_NR_PALMTE2_KEY_LEFT, 1, "Left" },
137 {KEY_RIGHT, GPIO_NR_PALMTE2_KEY_RIGHT, 1, "Right" },
138 {KEY_DOWN, GPIO_NR_PALMTE2_KEY_DOWN, 1, "Down" },
139 {KEY_UP, GPIO_NR_PALMTE2_KEY_UP, 1, "Up" },
142 static struct gpio_keys_platform_data palmte2_pxa_keys_data = {
143 .buttons = palmte2_pxa_buttons,
144 .nbuttons = ARRAY_SIZE(palmte2_pxa_buttons),
147 static struct platform_device palmte2_pxa_keys = {
151 .platform_data = &palmte2_pxa_keys_data,
155 /******************************************************************************
157 ******************************************************************************/
158 static int palmte2_backlight_init(struct device *dev)
162 ret = gpio_request(GPIO_NR_PALMTE2_BL_POWER, "BL POWER");
165 ret = gpio_direction_output(GPIO_NR_PALMTE2_BL_POWER, 0);
168 ret = gpio_request(GPIO_NR_PALMTE2_LCD_POWER, "LCD POWER");
171 ret = gpio_direction_output(GPIO_NR_PALMTE2_LCD_POWER, 0);
177 gpio_free(GPIO_NR_PALMTE2_LCD_POWER);
179 gpio_free(GPIO_NR_PALMTE2_BL_POWER);
184 static int palmte2_backlight_notify(int brightness)
186 gpio_set_value(GPIO_NR_PALMTE2_BL_POWER, brightness);
187 gpio_set_value(GPIO_NR_PALMTE2_LCD_POWER, brightness);
191 static void palmte2_backlight_exit(struct device *dev)
193 gpio_free(GPIO_NR_PALMTE2_BL_POWER);
194 gpio_free(GPIO_NR_PALMTE2_LCD_POWER);
197 static struct platform_pwm_backlight_data palmte2_backlight_data = {
199 .max_brightness = PALMTE2_MAX_INTENSITY,
200 .dft_brightness = PALMTE2_MAX_INTENSITY,
201 .pwm_period_ns = PALMTE2_PERIOD_NS,
202 .init = palmte2_backlight_init,
203 .notify = palmte2_backlight_notify,
204 .exit = palmte2_backlight_exit,
207 static struct platform_device palmte2_backlight = {
208 .name = "pwm-backlight",
210 .parent = &pxa25x_device_pwm0.dev,
211 .platform_data = &palmte2_backlight_data,
215 /******************************************************************************
217 ******************************************************************************/
218 static struct pxaficp_platform_data palmte2_ficp_platform_data = {
219 .gpio_pwdown = GPIO_NR_PALMTE2_IR_DISABLE,
220 .transceiver_cap = IR_SIRMODE | IR_OFF,
223 /******************************************************************************
225 ******************************************************************************/
226 static struct gpio_vbus_mach_info palmte2_udc_info = {
227 .gpio_vbus = GPIO_NR_PALMTE2_USB_DETECT_N,
228 .gpio_vbus_inverted = 1,
229 .gpio_pullup = GPIO_NR_PALMTE2_USB_PULLUP,
232 static struct platform_device palmte2_gpio_vbus = {
236 .platform_data = &palmte2_udc_info,
240 /******************************************************************************
242 ******************************************************************************/
243 static int power_supply_init(struct device *dev)
247 ret = gpio_request(GPIO_NR_PALMTE2_POWER_DETECT, "CABLE_STATE_AC");
250 ret = gpio_direction_input(GPIO_NR_PALMTE2_POWER_DETECT);
257 gpio_free(GPIO_NR_PALMTE2_POWER_DETECT);
262 static int palmte2_is_ac_online(void)
264 return gpio_get_value(GPIO_NR_PALMTE2_POWER_DETECT);
267 static void power_supply_exit(struct device *dev)
269 gpio_free(GPIO_NR_PALMTE2_POWER_DETECT);
272 static char *palmte2_supplicants[] = {
276 static struct pda_power_pdata power_supply_info = {
277 .init = power_supply_init,
278 .is_ac_online = palmte2_is_ac_online,
279 .exit = power_supply_exit,
280 .supplied_to = palmte2_supplicants,
281 .num_supplicants = ARRAY_SIZE(palmte2_supplicants),
284 static struct platform_device power_supply = {
288 .platform_data = &power_supply_info,
292 /******************************************************************************
294 ******************************************************************************/
295 static struct wm97xx_batt_info wm97xx_batt_pdata = {
296 .batt_aux = WM97XX_AUX_ID3,
297 .temp_aux = WM97XX_AUX_ID2,
299 .max_voltage = PALMTE2_BAT_MAX_VOLTAGE,
300 .min_voltage = PALMTE2_BAT_MIN_VOLTAGE,
305 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
306 .batt_name = "main-batt",
309 /******************************************************************************
311 ******************************************************************************/
312 static struct palm27x_asoc_info palmte2_asoc_pdata = {
313 .jack_gpio = GPIO_NR_PALMTE2_EARPHONE_DETECT,
316 static struct platform_device palmte2_asoc = {
317 .name = "palm27x-asoc",
320 .platform_data = &palmte2_asoc_pdata,
324 /******************************************************************************
326 ******************************************************************************/
327 static struct pxafb_mode_info palmte2_lcd_modes[] = {
344 static struct pxafb_mach_info palmte2_lcd_screen = {
345 .modes = palmte2_lcd_modes,
346 .num_modes = ARRAY_SIZE(palmte2_lcd_modes),
347 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
350 /******************************************************************************
352 ******************************************************************************/
353 static struct platform_device *devices[] __initdata = {
354 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
363 /* setup udc GPIOs initial state */
364 static void __init palmte2_udc_init(void)
366 if (!gpio_request(GPIO_NR_PALMTE2_USB_PULLUP, "UDC Vbus")) {
367 gpio_direction_output(GPIO_NR_PALMTE2_USB_PULLUP, 1);
368 gpio_free(GPIO_NR_PALMTE2_USB_PULLUP);
372 static void __init palmte2_init(void)
374 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmte2_pin_config));
376 set_pxa_fb_info(&palmte2_lcd_screen);
377 pxa_set_mci_info(&palmte2_mci_platform_data);
379 pxa_set_ac97_info(NULL);
380 pxa_set_ficp_info(&palmte2_ficp_platform_data);
381 wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
383 platform_add_devices(devices, ARRAY_SIZE(devices));
386 MACHINE_START(PALMTE2, "Palm Tungsten|E2")
387 .phys_io = 0x40000000,
388 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
389 .boot_params = 0xa0000100,
390 .map_io = pxa_map_io,
391 .init_irq = pxa25x_init_irq,
393 .init_machine = palmte2_init