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
,
100 GPIO10_GPIO
, /* hotsync button */
101 GPIO90_GPIO
, /* power detect */
102 GPIO107_GPIO
, /* earphone detect */
105 /******************************************************************************
106 * SD/MMC card controller
107 ******************************************************************************/
108 static struct pxamci_platform_data palmt5_mci_platform_data
= {
109 .ocr_mask
= MMC_VDD_32_33
| MMC_VDD_33_34
,
110 .gpio_card_detect
= GPIO_NR_PALMT5_SD_DETECT_N
,
111 .gpio_card_ro
= GPIO_NR_PALMT5_SD_READONLY
,
112 .gpio_power
= GPIO_NR_PALMT5_SD_POWER
,
116 /******************************************************************************
118 ******************************************************************************/
119 static unsigned int palmt5_matrix_keys
[] = {
120 KEY(0, 0, KEY_POWER
),
122 KEY(0, 2, KEY_ENTER
),
131 KEY(3, 0, KEY_RIGHT
),
135 static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data
= {
136 .matrix_key_rows
= 4,
137 .matrix_key_cols
= 3,
138 .matrix_key_map
= palmt5_matrix_keys
,
139 .matrix_key_map_size
= ARRAY_SIZE(palmt5_matrix_keys
),
141 .debounce_interval
= 30,
144 /******************************************************************************
146 ******************************************************************************/
147 static struct gpio_keys_button palmt5_pxa_buttons
[] = {
148 {KEY_F8
, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N
, 1, "HotSync Button" },
151 static struct gpio_keys_platform_data palmt5_pxa_keys_data
= {
152 .buttons
= palmt5_pxa_buttons
,
153 .nbuttons
= ARRAY_SIZE(palmt5_pxa_buttons
),
156 static struct platform_device palmt5_pxa_keys
= {
160 .platform_data
= &palmt5_pxa_keys_data
,
164 /******************************************************************************
166 ******************************************************************************/
167 static int palmt5_backlight_init(struct device
*dev
)
171 ret
= gpio_request(GPIO_NR_PALMT5_BL_POWER
, "BL POWER");
174 ret
= gpio_direction_output(GPIO_NR_PALMT5_BL_POWER
, 0);
177 ret
= gpio_request(GPIO_NR_PALMT5_LCD_POWER
, "LCD POWER");
180 ret
= gpio_direction_output(GPIO_NR_PALMT5_LCD_POWER
, 0);
186 gpio_free(GPIO_NR_PALMT5_LCD_POWER
);
188 gpio_free(GPIO_NR_PALMT5_BL_POWER
);
193 static int palmt5_backlight_notify(struct device
*dev
, int brightness
)
195 gpio_set_value(GPIO_NR_PALMT5_BL_POWER
, brightness
);
196 gpio_set_value(GPIO_NR_PALMT5_LCD_POWER
, brightness
);
200 static void palmt5_backlight_exit(struct device
*dev
)
202 gpio_free(GPIO_NR_PALMT5_BL_POWER
);
203 gpio_free(GPIO_NR_PALMT5_LCD_POWER
);
206 static struct platform_pwm_backlight_data palmt5_backlight_data
= {
208 .max_brightness
= PALMT5_MAX_INTENSITY
,
209 .dft_brightness
= PALMT5_MAX_INTENSITY
,
210 .pwm_period_ns
= PALMT5_PERIOD_NS
,
211 .init
= palmt5_backlight_init
,
212 .notify
= palmt5_backlight_notify
,
213 .exit
= palmt5_backlight_exit
,
216 static struct platform_device palmt5_backlight
= {
217 .name
= "pwm-backlight",
219 .parent
= &pxa27x_device_pwm0
.dev
,
220 .platform_data
= &palmt5_backlight_data
,
224 /******************************************************************************
226 ******************************************************************************/
227 static struct pxaficp_platform_data palmt5_ficp_platform_data
= {
228 .gpio_pwdown
= GPIO_NR_PALMT5_IR_DISABLE
,
229 .transceiver_cap
= IR_SIRMODE
| IR_OFF
,
232 /******************************************************************************
234 ******************************************************************************/
235 static struct gpio_vbus_mach_info palmt5_udc_info
= {
236 .gpio_vbus
= GPIO_NR_PALMT5_USB_DETECT_N
,
237 .gpio_vbus_inverted
= 1,
238 .gpio_pullup
= GPIO_NR_PALMT5_USB_PULLUP
,
241 static struct platform_device palmt5_gpio_vbus
= {
245 .platform_data
= &palmt5_udc_info
,
249 /******************************************************************************
251 ******************************************************************************/
252 static int power_supply_init(struct device
*dev
)
256 ret
= gpio_request(GPIO_NR_PALMT5_POWER_DETECT
, "CABLE_STATE_AC");
259 ret
= gpio_direction_input(GPIO_NR_PALMT5_POWER_DETECT
);
265 gpio_free(GPIO_NR_PALMT5_POWER_DETECT
);
270 static int palmt5_is_ac_online(void)
272 return gpio_get_value(GPIO_NR_PALMT5_POWER_DETECT
);
275 static void power_supply_exit(struct device
*dev
)
277 gpio_free(GPIO_NR_PALMT5_POWER_DETECT
);
280 static char *palmt5_supplicants
[] = {
284 static struct pda_power_pdata power_supply_info
= {
285 .init
= power_supply_init
,
286 .is_ac_online
= palmt5_is_ac_online
,
287 .exit
= power_supply_exit
,
288 .supplied_to
= palmt5_supplicants
,
289 .num_supplicants
= ARRAY_SIZE(palmt5_supplicants
),
292 static struct platform_device power_supply
= {
296 .platform_data
= &power_supply_info
,
300 /******************************************************************************
302 ******************************************************************************/
303 static struct wm97xx_batt_info wm97xx_batt_pdata
= {
304 .batt_aux
= WM97XX_AUX_ID3
,
305 .temp_aux
= WM97XX_AUX_ID2
,
307 .max_voltage
= PALMT5_BAT_MAX_VOLTAGE
,
308 .min_voltage
= PALMT5_BAT_MIN_VOLTAGE
,
313 .batt_tech
= POWER_SUPPLY_TECHNOLOGY_LIPO
,
314 .batt_name
= "main-batt",
317 /******************************************************************************
319 ******************************************************************************/
320 static struct palm27x_asoc_info palmt5_asoc_pdata
= {
321 .jack_gpio
= GPIO_NR_PALMT5_EARPHONE_DETECT
,
324 static pxa2xx_audio_ops_t palmt5_ac97_pdata
= {
328 static struct platform_device palmt5_asoc
= {
329 .name
= "palm27x-asoc",
332 .platform_data
= &palmt5_asoc_pdata
,
336 /******************************************************************************
338 ******************************************************************************/
339 static struct pxafb_mode_info palmt5_lcd_modes
[] = {
356 static struct pxafb_mach_info palmt5_lcd_screen
= {
357 .modes
= palmt5_lcd_modes
,
358 .num_modes
= ARRAY_SIZE(palmt5_lcd_modes
),
359 .lcd_conn
= LCD_COLOR_TFT_16BPP
| LCD_PCLK_EDGE_FALL
,
362 /******************************************************************************
363 * Power management - standby
364 ******************************************************************************/
365 static void __init
palmt5_pm_init(void)
367 static u32 resume
[] = {
368 0xe3a00101, /* mov r0, #0x40000000 */
369 0xe380060f, /* orr r0, r0, #0x00f00000 */
370 0xe590f008, /* ldr pc, [r0, #0x08] */
373 /* copy the bootloader */
374 memcpy(phys_to_virt(PALMT5_STR_BASE
), resume
, sizeof(resume
));
377 /******************************************************************************
379 ******************************************************************************/
380 static struct platform_device
*devices
[] __initdata
= {
381 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
390 /* setup udc GPIOs initial state */
391 static void __init
palmt5_udc_init(void)
393 if (!gpio_request(GPIO_NR_PALMT5_USB_PULLUP
, "UDC Vbus")) {
394 gpio_direction_output(GPIO_NR_PALMT5_USB_PULLUP
, 1);
395 gpio_free(GPIO_NR_PALMT5_USB_PULLUP
);
399 static void __init
palmt5_init(void)
401 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config
));
403 pxa_set_ffuart_info(NULL
);
404 pxa_set_btuart_info(NULL
);
405 pxa_set_stuart_info(NULL
);
408 set_pxa_fb_info(&palmt5_lcd_screen
);
409 pxa_set_mci_info(&palmt5_mci_platform_data
);
411 pxa_set_ac97_info(&palmt5_ac97_pdata
);
412 pxa_set_ficp_info(&palmt5_ficp_platform_data
);
413 pxa_set_keypad_info(&palmt5_keypad_platform_data
);
414 wm97xx_bat_set_pdata(&wm97xx_batt_pdata
);
416 platform_add_devices(devices
, ARRAY_SIZE(devices
));
419 MACHINE_START(PALMT5
, "Palm Tungsten|T5")
420 .phys_io
= PALMT5_PHYS_IO_START
,
421 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
422 .boot_params
= 0xa0000100,
423 .map_io
= pxa_map_io
,
424 .init_irq
= pxa27x_init_irq
,
426 .init_machine
= palmt5_init