2 * linux/arch/arm/mach-pxa/palmtc.c
4 * Support for the Palm Tungsten|C
6 * Author: Marek Vasut <marek.vasut@gmail.com>
9 * Petr Blaha <p3t3@centrum.cz>
10 * Chetan S. Kumar <shivakumar.chetan@gmail.com>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
17 #include <linux/platform_device.h>
18 #include <linux/delay.h>
19 #include <linux/irq.h>
20 #include <linux/input.h>
21 #include <linux/pwm_backlight.h>
22 #include <linux/gpio.h>
23 #include <linux/input/matrix_keypad.h>
24 #include <linux/ucb1400.h>
25 #include <linux/power_supply.h>
26 #include <linux/gpio_keys.h>
27 #include <linux/mtd/physmap.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/palmtc.h>
37 #include <mach/pxafb.h>
38 #include <mach/mfp-pxa25x.h>
39 #include <mach/irda.h>
41 #include <mach/pxa2xx-regs.h>
46 /******************************************************************************
48 ******************************************************************************/
49 static unsigned long palmtc_pin_config[] __initdata = {
53 GPIO12_GPIO, /* detect */
54 GPIO32_GPIO, /* power */
55 GPIO54_GPIO, /* r/o switch */
71 GPIO29_AC97_SDATA_IN_0,
72 GPIO30_AC97_SDATA_OUT,
76 GPIO45_GPIO, /* ir disable */
84 GPIO4_GPIO, /* detect */
85 GPIO36_GPIO, /* pullup */
91 GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 0 */
92 GPIO9_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 1 */
93 GPIO10_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 2 */
94 GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 3 */
95 GPIO18_GPIO | MFP_LPM_DRIVE_LOW, /* out 0 */
96 GPIO19_GPIO | MFP_LPM_DRIVE_LOW, /* out 1 */
97 GPIO20_GPIO | MFP_LPM_DRIVE_LOW, /* out 2 */
98 GPIO21_GPIO | MFP_LPM_DRIVE_LOW, /* out 3 */
99 GPIO22_GPIO | MFP_LPM_DRIVE_LOW, /* out 4 */
100 GPIO23_GPIO | MFP_LPM_DRIVE_LOW, /* out 5 */
101 GPIO24_GPIO | MFP_LPM_DRIVE_LOW, /* out 6 */
102 GPIO25_GPIO | MFP_LPM_DRIVE_LOW, /* out 7 */
103 GPIO26_GPIO | MFP_LPM_DRIVE_LOW, /* out 8 */
104 GPIO27_GPIO | MFP_LPM_DRIVE_LOW, /* out 9 */
105 GPIO79_GPIO | MFP_LPM_DRIVE_LOW, /* out 10 */
106 GPIO80_GPIO | MFP_LPM_DRIVE_LOW, /* out 11 */
109 GPIO7_GPIO | WAKEUP_ON_EDGE_BOTH, /* hotsync button on cradle */
112 GPIO1_RST, /* reset */
113 GPIO2_GPIO, /* earphone detect */
114 GPIO16_GPIO, /* backlight switch */
117 /******************************************************************************
118 * SD/MMC card controller
119 ******************************************************************************/
120 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
121 static struct pxamci_platform_data palmtc_mci_platform_data = {
122 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
123 .gpio_power = GPIO_NR_PALMTC_SD_POWER,
124 .gpio_card_ro = GPIO_NR_PALMTC_SD_READONLY,
125 .gpio_card_detect = GPIO_NR_PALMTC_SD_DETECT_N,
126 .detect_delay_ms = 200,
129 static void __init palmtc_mmc_init(void)
131 pxa_set_mci_info(&palmtc_mci_platform_data);
134 static inline void palmtc_mmc_init(void) {}
137 /******************************************************************************
139 ******************************************************************************/
140 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
141 static struct gpio_keys_button palmtc_pxa_buttons[] = {
142 {KEY_F8, GPIO_NR_PALMTC_HOTSYNC_BUTTON, 1, "HotSync Button", EV_KEY, 1},
145 static struct gpio_keys_platform_data palmtc_pxa_keys_data = {
146 .buttons = palmtc_pxa_buttons,
147 .nbuttons = ARRAY_SIZE(palmtc_pxa_buttons),
150 static struct platform_device palmtc_pxa_keys = {
154 .platform_data = &palmtc_pxa_keys_data,
158 static void __init palmtc_keys_init(void)
160 platform_device_register(&palmtc_pxa_keys);
163 static inline void palmtc_keys_init(void) {}
166 /******************************************************************************
168 ******************************************************************************/
169 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
170 static int palmtc_backlight_init(struct device *dev)
174 ret = gpio_request(GPIO_NR_PALMTC_BL_POWER, "BL POWER");
177 ret = gpio_direction_output(GPIO_NR_PALMTC_BL_POWER, 1);
184 gpio_free(GPIO_NR_PALMTC_BL_POWER);
189 static int palmtc_backlight_notify(struct device *dev, int brightness)
191 /* backlight is on when GPIO16 AF0 is high */
192 gpio_set_value(GPIO_NR_PALMTC_BL_POWER, brightness);
196 static void palmtc_backlight_exit(struct device *dev)
198 gpio_free(GPIO_NR_PALMTC_BL_POWER);
201 static struct platform_pwm_backlight_data palmtc_backlight_data = {
203 .max_brightness = PALMTC_MAX_INTENSITY,
204 .dft_brightness = PALMTC_MAX_INTENSITY,
205 .pwm_period_ns = PALMTC_PERIOD_NS,
206 .init = palmtc_backlight_init,
207 .notify = palmtc_backlight_notify,
208 .exit = palmtc_backlight_exit,
211 static struct platform_device palmtc_backlight = {
212 .name = "pwm-backlight",
214 .parent = &pxa25x_device_pwm1.dev,
215 .platform_data = &palmtc_backlight_data,
219 static void __init palmtc_pwm_init(void)
221 platform_device_register(&palmtc_backlight);
224 static inline void palmtc_pwm_init(void) {}
227 /******************************************************************************
229 ******************************************************************************/
230 #if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
231 static struct pxaficp_platform_data palmtc_ficp_platform_data = {
232 .gpio_pwdown = GPIO_NR_PALMTC_IR_DISABLE,
233 .transceiver_cap = IR_SIRMODE | IR_OFF,
236 static void __init palmtc_irda_init(void)
238 pxa_set_ficp_info(&palmtc_ficp_platform_data);
241 static inline void palmtc_irda_init(void) {}
244 /******************************************************************************
246 ******************************************************************************/
247 #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
248 static const uint32_t palmtc_matrix_keys[] = {
251 KEY(0, 2, KEY_POWER),
255 KEY(0, 6, KEY_LEFTSHIFT),
268 KEY(1, 7, KEY_SPACE),
272 KEY(1, 11, KEY_LEFT),
275 KEY(2, 1, KEY_LEFTCTRL),
284 KEY(2, 11, KEY_RIGHT),
287 KEY(3, 1, KEY_ENTER),
291 KEY(3, 6, KEY_LEFTALT),
292 KEY(3, 7, KEY_ENTER),
293 KEY(3, 8, KEY_BACKSPACE),
299 const struct matrix_keymap_data palmtc_keymap_data = {
300 .keymap = palmtc_matrix_keys,
301 .keymap_size = ARRAY_SIZE(palmtc_matrix_keys),
304 static const unsigned int palmtc_keypad_row_gpios[] = {
308 static const unsigned int palmtc_keypad_col_gpios[] = {
309 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80
312 static struct matrix_keypad_platform_data palmtc_keypad_platform_data = {
313 .keymap_data = &palmtc_keymap_data,
314 .row_gpios = palmtc_keypad_row_gpios,
315 .num_row_gpios = ARRAY_SIZE(palmtc_keypad_row_gpios),
316 .col_gpios = palmtc_keypad_col_gpios,
317 .num_col_gpios = ARRAY_SIZE(palmtc_keypad_col_gpios),
321 .col_scan_delay_us = 5,
324 static struct platform_device palmtc_keyboard = {
325 .name = "matrix-keypad",
328 .platform_data = &palmtc_keypad_platform_data,
331 static void __init palmtc_mkp_init(void)
333 platform_device_register(&palmtc_keyboard);
336 static inline void palmtc_mkp_init(void) {}
339 /******************************************************************************
341 ******************************************************************************/
342 #if defined(CONFIG_USB_GADGET_PXA25X)||defined(CONFIG_USB_GADGET_PXA25X_MODULE)
343 static struct gpio_vbus_mach_info palmtc_udc_info = {
344 .gpio_vbus = GPIO_NR_PALMTC_USB_DETECT_N,
345 .gpio_vbus_inverted = 1,
346 .gpio_pullup = GPIO_NR_PALMTC_USB_POWER,
349 static struct platform_device palmtc_gpio_vbus = {
353 .platform_data = &palmtc_udc_info,
357 static void __init palmtc_udc_init(void)
359 platform_device_register(&palmtc_gpio_vbus);
362 static inline void palmtc_udc_init(void) {}
365 /******************************************************************************
366 * Touchscreen / Battery / GPIO-extender
367 ******************************************************************************/
368 #if defined(CONFIG_TOUCHSCREEN_UCB1400) || \
369 defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
370 static struct platform_device palmtc_ucb1400_device = {
371 .name = "ucb1400_core",
375 static void __init palmtc_ts_init(void)
377 pxa_set_ac97_info(NULL);
378 platform_device_register(&palmtc_ucb1400_device);
381 static inline void palmtc_ts_init(void) {}
384 /******************************************************************************
386 ******************************************************************************/
387 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
388 struct gpio_led palmtc_gpio_leds[] = {
390 .name = "palmtc:green:user",
391 .default_trigger = "none",
392 .gpio = GPIO_NR_PALMTC_LED_POWER,
395 .name = "palmtc:vibra:vibra",
396 .default_trigger = "none",
397 .gpio = GPIO_NR_PALMTC_VIBRA_POWER,
403 static struct gpio_led_platform_data palmtc_gpio_led_info = {
404 .leds = palmtc_gpio_leds,
405 .num_leds = ARRAY_SIZE(palmtc_gpio_leds),
408 static struct platform_device palmtc_leds = {
412 .platform_data = &palmtc_gpio_led_info,
416 static void __init palmtc_leds_init(void)
418 platform_device_register(&palmtc_leds);
421 static inline void palmtc_leds_init(void) {}
424 /******************************************************************************
426 ******************************************************************************/
427 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
428 static struct resource palmtc_flash_resource = {
429 .start = PXA_CS0_PHYS,
430 .end = PXA_CS0_PHYS + SZ_16M - 1,
431 .flags = IORESOURCE_MEM,
434 static struct mtd_partition palmtc_flash_parts[] = {
436 .name = "U-Boot Bootloader",
441 .name = "Linux Kernel",
446 .name = "Filesystem",
451 .name = "U-Boot Environment",
453 .size = MTDPART_SIZ_FULL,
457 static struct physmap_flash_data palmtc_flash_data = {
459 .parts = palmtc_flash_parts,
460 .nr_parts = ARRAY_SIZE(palmtc_flash_parts),
463 static struct platform_device palmtc_flash = {
464 .name = "physmap-flash",
466 .resource = &palmtc_flash_resource,
469 .platform_data = &palmtc_flash_data,
473 static void __init palmtc_nor_init(void)
475 platform_device_register(&palmtc_flash);
478 static inline void palmtc_nor_init(void) {}
481 /******************************************************************************
483 ******************************************************************************/
484 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
485 static struct pxafb_mode_info palmtc_lcd_modes[] = {
502 static struct pxafb_mach_info palmtc_lcd_screen = {
503 .modes = palmtc_lcd_modes,
504 .num_modes = ARRAY_SIZE(palmtc_lcd_modes),
505 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
508 static void __init palmtc_lcd_init(void)
510 pxa_set_fb_info(NULL, &palmtc_lcd_screen);
513 static inline void palmtc_lcd_init(void) {}
516 /******************************************************************************
518 ******************************************************************************/
519 static void __init palmtc_init(void)
521 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config));
523 pxa_set_ffuart_info(NULL);
524 pxa_set_btuart_info(NULL);
525 pxa_set_stuart_info(NULL);
526 pxa_set_hwuart_info(NULL);
540 MACHINE_START(PALMTC, "Palm Tungsten|C")
541 .boot_params = 0xa0000100,
542 .map_io = pxa25x_map_io,
543 .init_irq = pxa25x_init_irq,
545 .init_machine = palmtc_init