2 * Hardware definitions for PalmTX
4 * Author: Marek Vasut <marek.vasut@gmail.com>
7 * Alex Osborne <ato@meshy.org>
8 * Cristiano P. <cristianop@users.sourceforge.net>
9 * Jan Herman <2hp@seznam.cz>
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.
16 * (find more info at www.hackndev.com)
20 #include <linux/platform_device.h>
21 #include <linux/delay.h>
22 #include <linux/irq.h>
23 #include <linux/gpio_keys.h>
24 #include <linux/input.h>
25 #include <linux/pda_power.h>
26 #include <linux/pwm_backlight.h>
27 #include <linux/gpio.h>
28 #include <linux/wm97xx_batt.h>
29 #include <linux/power_supply.h>
30 #include <linux/usb/gpio_vbus.h>
31 #include <linux/mtd/nand.h>
32 #include <linux/mtd/partitions.h>
33 #include <linux/mtd/mtd.h>
34 #include <linux/mtd/physmap.h>
36 #include <asm/mach-types.h>
37 #include <asm/mach/arch.h>
38 #include <asm/mach/map.h>
40 #include <mach/pxa27x.h>
41 #include <mach/audio.h>
42 #include <mach/palmtx.h>
44 #include <mach/pxafb.h>
45 #include <mach/irda.h>
46 #include <mach/pxa27x_keypad.h>
48 #include <mach/palmasoc.h>
53 /******************************************************************************
55 ******************************************************************************/
56 static unsigned long palmtx_pin_config[] __initdata = {
64 GPIO14_GPIO, /* SD detect */
65 GPIO114_GPIO, /* SD power */
66 GPIO115_GPIO, /* SD r/o switch */
70 GPIO29_AC97_SDATA_IN_0,
71 GPIO30_AC97_SDATA_OUT,
77 GPIO40_GPIO, /* ir disable */
85 GPIO13_GPIO, /* usb detect */
86 GPIO93_GPIO, /* usb power */
99 GPIO94_GPIO, /* wifi power 1 */
100 GPIO108_GPIO, /* wifi power 2 */
101 GPIO116_GPIO, /* wifi ready */
104 GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
105 GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
106 GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
107 GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
143 GPIO10_GPIO, /* hotsync button */
144 GPIO12_GPIO, /* power detect */
145 GPIO107_GPIO, /* earphone detect */
148 /******************************************************************************
150 ******************************************************************************/
151 static struct mtd_partition palmtx_partitions[] = {
154 .offset = 0x00000000,
155 .size = MTDPART_SIZ_FULL,
160 static struct physmap_flash_data palmtx_flash_data[] = {
162 .width = 2, /* bankwidth in bytes */
163 .parts = palmtx_partitions,
164 .nr_parts = ARRAY_SIZE(palmtx_partitions)
168 static struct resource palmtx_flash_resource = {
169 .start = PXA_CS0_PHYS,
170 .end = PXA_CS0_PHYS + SZ_8M - 1,
171 .flags = IORESOURCE_MEM,
174 static struct platform_device palmtx_flash = {
175 .name = "physmap-flash",
177 .resource = &palmtx_flash_resource,
180 .platform_data = palmtx_flash_data,
184 /******************************************************************************
185 * SD/MMC card controller
186 ******************************************************************************/
187 static struct pxamci_platform_data palmtx_mci_platform_data = {
188 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
189 .gpio_card_detect = GPIO_NR_PALMTX_SD_DETECT_N,
190 .gpio_card_ro = GPIO_NR_PALMTX_SD_READONLY,
191 .gpio_power = GPIO_NR_PALMTX_SD_POWER,
195 /******************************************************************************
197 ******************************************************************************/
198 static unsigned int palmtx_matrix_keys[] = {
199 KEY(0, 0, KEY_POWER),
201 KEY(0, 2, KEY_ENTER),
210 KEY(3, 0, KEY_RIGHT),
214 static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data = {
215 .matrix_key_rows = 4,
216 .matrix_key_cols = 3,
217 .matrix_key_map = palmtx_matrix_keys,
218 .matrix_key_map_size = ARRAY_SIZE(palmtx_matrix_keys),
220 .debounce_interval = 30,
223 /******************************************************************************
225 ******************************************************************************/
226 static struct gpio_keys_button palmtx_pxa_buttons[] = {
227 {KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
230 static struct gpio_keys_platform_data palmtx_pxa_keys_data = {
231 .buttons = palmtx_pxa_buttons,
232 .nbuttons = ARRAY_SIZE(palmtx_pxa_buttons),
235 static struct platform_device palmtx_pxa_keys = {
239 .platform_data = &palmtx_pxa_keys_data,
243 /******************************************************************************
245 ******************************************************************************/
246 static int palmtx_backlight_init(struct device *dev)
250 ret = gpio_request(GPIO_NR_PALMTX_BL_POWER, "BL POWER");
253 ret = gpio_direction_output(GPIO_NR_PALMTX_BL_POWER, 0);
256 ret = gpio_request(GPIO_NR_PALMTX_LCD_POWER, "LCD POWER");
259 ret = gpio_direction_output(GPIO_NR_PALMTX_LCD_POWER, 0);
265 gpio_free(GPIO_NR_PALMTX_LCD_POWER);
267 gpio_free(GPIO_NR_PALMTX_BL_POWER);
272 static int palmtx_backlight_notify(int brightness)
274 gpio_set_value(GPIO_NR_PALMTX_BL_POWER, brightness);
275 gpio_set_value(GPIO_NR_PALMTX_LCD_POWER, brightness);
279 static void palmtx_backlight_exit(struct device *dev)
281 gpio_free(GPIO_NR_PALMTX_BL_POWER);
282 gpio_free(GPIO_NR_PALMTX_LCD_POWER);
285 static struct platform_pwm_backlight_data palmtx_backlight_data = {
287 .max_brightness = PALMTX_MAX_INTENSITY,
288 .dft_brightness = PALMTX_MAX_INTENSITY,
289 .pwm_period_ns = PALMTX_PERIOD_NS,
290 .init = palmtx_backlight_init,
291 .notify = palmtx_backlight_notify,
292 .exit = palmtx_backlight_exit,
295 static struct platform_device palmtx_backlight = {
296 .name = "pwm-backlight",
298 .parent = &pxa27x_device_pwm0.dev,
299 .platform_data = &palmtx_backlight_data,
303 /******************************************************************************
305 ******************************************************************************/
306 static struct pxaficp_platform_data palmtx_ficp_platform_data = {
307 .gpio_pwdown = GPIO_NR_PALMTX_IR_DISABLE,
308 .transceiver_cap = IR_SIRMODE | IR_OFF,
311 /******************************************************************************
313 ******************************************************************************/
314 static struct gpio_vbus_mach_info palmtx_udc_info = {
315 .gpio_vbus = GPIO_NR_PALMTX_USB_DETECT_N,
316 .gpio_vbus_inverted = 1,
317 .gpio_pullup = GPIO_NR_PALMTX_USB_PULLUP,
320 static struct platform_device palmtx_gpio_vbus = {
324 .platform_data = &palmtx_udc_info,
328 /******************************************************************************
330 ******************************************************************************/
331 static int power_supply_init(struct device *dev)
335 ret = gpio_request(GPIO_NR_PALMTX_POWER_DETECT, "CABLE_STATE_AC");
338 ret = gpio_direction_input(GPIO_NR_PALMTX_POWER_DETECT);
345 gpio_free(GPIO_NR_PALMTX_POWER_DETECT);
350 static int palmtx_is_ac_online(void)
352 return gpio_get_value(GPIO_NR_PALMTX_POWER_DETECT);
355 static void power_supply_exit(struct device *dev)
357 gpio_free(GPIO_NR_PALMTX_POWER_DETECT);
360 static char *palmtx_supplicants[] = {
364 static struct pda_power_pdata power_supply_info = {
365 .init = power_supply_init,
366 .is_ac_online = palmtx_is_ac_online,
367 .exit = power_supply_exit,
368 .supplied_to = palmtx_supplicants,
369 .num_supplicants = ARRAY_SIZE(palmtx_supplicants),
372 static struct platform_device power_supply = {
376 .platform_data = &power_supply_info,
380 /******************************************************************************
382 ******************************************************************************/
383 static struct wm97xx_batt_info wm97xx_batt_pdata = {
384 .batt_aux = WM97XX_AUX_ID3,
385 .temp_aux = WM97XX_AUX_ID2,
387 .max_voltage = PALMTX_BAT_MAX_VOLTAGE,
388 .min_voltage = PALMTX_BAT_MIN_VOLTAGE,
393 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
394 .batt_name = "main-batt",
397 /******************************************************************************
399 ******************************************************************************/
400 static struct palm27x_asoc_info palmtx_asoc_pdata = {
401 .jack_gpio = GPIO_NR_PALMTX_EARPHONE_DETECT,
404 static pxa2xx_audio_ops_t palmtx_ac97_pdata = {
408 static struct platform_device palmtx_asoc = {
409 .name = "palm27x-asoc",
412 .platform_data = &palmtx_asoc_pdata,
416 /******************************************************************************
418 ******************************************************************************/
419 static struct pxafb_mode_info palmtx_lcd_modes[] = {
436 static struct pxafb_mach_info palmtx_lcd_screen = {
437 .modes = palmtx_lcd_modes,
438 .num_modes = ARRAY_SIZE(palmtx_lcd_modes),
439 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
442 /******************************************************************************
444 ******************************************************************************/
445 static void palmtx_nand_cmd_ctl(struct mtd_info *mtd, int cmd,
448 struct nand_chip *this = mtd->priv;
449 unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
451 if (cmd == NAND_CMD_NONE)
455 writeb(cmd, PALMTX_NAND_CLE_VIRT);
456 else if (ctrl & NAND_ALE)
457 writeb(cmd, PALMTX_NAND_ALE_VIRT);
459 writeb(cmd, nandaddr);
462 static struct mtd_partition palmtx_partition_info[] = {
466 .size = MTDPART_SIZ_FULL
470 static const char *palmtx_part_probes[] = { "cmdlinepart", NULL };
472 struct platform_nand_data palmtx_nand_platdata = {
476 .nr_partitions = ARRAY_SIZE(palmtx_partition_info),
477 .partitions = palmtx_partition_info,
479 .part_probe_types = palmtx_part_probes,
482 .cmd_ctrl = palmtx_nand_cmd_ctl,
486 static struct resource palmtx_nand_resource[] = {
488 .start = PXA_CS1_PHYS,
489 .end = PXA_CS1_PHYS + SZ_1M - 1,
490 .flags = IORESOURCE_MEM,
494 static struct platform_device palmtx_nand = {
496 .num_resources = ARRAY_SIZE(palmtx_nand_resource),
497 .resource = palmtx_nand_resource,
500 .platform_data = &palmtx_nand_platdata,
504 /******************************************************************************
505 * Power management - standby
506 ******************************************************************************/
507 static void __init palmtx_pm_init(void)
509 static u32 resume[] = {
510 0xe3a00101, /* mov r0, #0x40000000 */
511 0xe380060f, /* orr r0, r0, #0x00f00000 */
512 0xe590f008, /* ldr pc, [r0, #0x08] */
515 /* copy the bootloader */
516 memcpy(phys_to_virt(PALMTX_STR_BASE), resume, sizeof(resume));
519 /******************************************************************************
521 ******************************************************************************/
522 static struct platform_device *devices[] __initdata = {
523 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
534 static struct map_desc palmtx_io_desc[] __initdata = {
536 .virtual = PALMTX_PCMCIA_VIRT,
537 .pfn = __phys_to_pfn(PALMTX_PCMCIA_PHYS),
538 .length = PALMTX_PCMCIA_SIZE,
541 .virtual = PALMTX_NAND_ALE_VIRT,
542 .pfn = __phys_to_pfn(PALMTX_NAND_ALE_PHYS),
546 .virtual = PALMTX_NAND_CLE_VIRT,
547 .pfn = __phys_to_pfn(PALMTX_NAND_CLE_PHYS),
553 static void __init palmtx_map_io(void)
556 iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc));
559 /* setup udc GPIOs initial state */
560 static void __init palmtx_udc_init(void)
562 if (!gpio_request(GPIO_NR_PALMTX_USB_PULLUP, "UDC Vbus")) {
563 gpio_direction_output(GPIO_NR_PALMTX_USB_PULLUP, 1);
564 gpio_free(GPIO_NR_PALMTX_USB_PULLUP);
569 static void __init palmtx_init(void)
571 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config));
573 pxa_set_ffuart_info(NULL);
574 pxa_set_btuart_info(NULL);
575 pxa_set_stuart_info(NULL);
578 set_pxa_fb_info(&palmtx_lcd_screen);
579 pxa_set_mci_info(&palmtx_mci_platform_data);
581 pxa_set_ac97_info(&palmtx_ac97_pdata);
582 pxa_set_ficp_info(&palmtx_ficp_platform_data);
583 pxa_set_keypad_info(&palmtx_keypad_platform_data);
584 wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
586 platform_add_devices(devices, ARRAY_SIZE(devices));
589 MACHINE_START(PALMTX, "Palm T|X")
590 .phys_io = PALMTX_PHYS_IO_START,
591 .io_pg_offst = io_p2v(0x40000000),
592 .boot_params = 0xa0000100,
593 .map_io = palmtx_map_io,
594 .init_irq = pxa27x_init_irq,
596 .init_machine = palmtx_init