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>
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/palmtx.h>
39 #include <mach/pxafb.h>
40 #include <mach/irda.h>
41 #include <mach/pxa27x_keypad.h>
47 /******************************************************************************
49 ******************************************************************************/
50 static unsigned long palmtx_pin_config
[] __initdata
= {
58 GPIO14_GPIO
, /* SD detect */
59 GPIO114_GPIO
, /* SD power */
60 GPIO115_GPIO
, /* SD r/o switch */
64 GPIO29_AC97_SDATA_IN_0
,
65 GPIO30_AC97_SDATA_OUT
,
69 GPIO40_GPIO
, /* ir disable */
77 GPIO13_GPIO
, /* usb detect */
78 GPIO95_GPIO
, /* usb power */
91 GPIO94_GPIO
, /* wifi power 1 */
92 GPIO108_GPIO
, /* wifi power 2 */
93 GPIO116_GPIO
, /* wifi ready */
96 GPIO100_KP_MKIN_0
| WAKEUP_ON_LEVEL_HIGH
,
97 GPIO101_KP_MKIN_1
| WAKEUP_ON_LEVEL_HIGH
,
98 GPIO102_KP_MKIN_2
| WAKEUP_ON_LEVEL_HIGH
,
99 GPIO97_KP_MKIN_3
| WAKEUP_ON_LEVEL_HIGH
,
127 GPIO10_GPIO
, /* hotsync button */
128 GPIO12_GPIO
, /* power detect */
129 GPIO107_GPIO
, /* earphone detect */
132 /******************************************************************************
133 * SD/MMC card controller
134 ******************************************************************************/
135 static int palmtx_mci_init(struct device
*dev
, irq_handler_t palmtx_detect_int
,
140 /* Setup an interrupt for detecting card insert/remove events */
141 err
= gpio_request(GPIO_NR_PALMTX_SD_DETECT_N
, "SD IRQ");
144 err
= gpio_direction_input(GPIO_NR_PALMTX_SD_DETECT_N
);
147 err
= request_irq(gpio_to_irq(GPIO_NR_PALMTX_SD_DETECT_N
),
148 palmtx_detect_int
, IRQF_DISABLED
| IRQF_SAMPLE_RANDOM
|
149 IRQF_TRIGGER_FALLING
| IRQF_TRIGGER_RISING
,
150 "SD/MMC card detect", data
);
152 printk(KERN_ERR
"%s: cannot request SD/MMC card detect IRQ\n",
157 err
= gpio_request(GPIO_NR_PALMTX_SD_POWER
, "SD_POWER");
160 err
= gpio_direction_output(GPIO_NR_PALMTX_SD_POWER
, 0);
164 err
= gpio_request(GPIO_NR_PALMTX_SD_READONLY
, "SD_READONLY");
167 err
= gpio_direction_input(GPIO_NR_PALMTX_SD_READONLY
);
171 printk(KERN_DEBUG
"%s: irq registered\n", __func__
);
176 gpio_free(GPIO_NR_PALMTX_SD_READONLY
);
178 gpio_free(GPIO_NR_PALMTX_SD_POWER
);
180 free_irq(gpio_to_irq(GPIO_NR_PALMTX_SD_DETECT_N
), data
);
182 gpio_free(GPIO_NR_PALMTX_SD_DETECT_N
);
187 static void palmtx_mci_exit(struct device
*dev
, void *data
)
189 gpio_free(GPIO_NR_PALMTX_SD_READONLY
);
190 gpio_free(GPIO_NR_PALMTX_SD_POWER
);
191 free_irq(gpio_to_irq(GPIO_NR_PALMTX_SD_DETECT_N
), data
);
192 gpio_free(GPIO_NR_PALMTX_SD_DETECT_N
);
195 static void palmtx_mci_power(struct device
*dev
, unsigned int vdd
)
197 struct pxamci_platform_data
*p_d
= dev
->platform_data
;
198 gpio_set_value(GPIO_NR_PALMTX_SD_POWER
, p_d
->ocr_mask
& (1 << vdd
));
201 static int palmtx_mci_get_ro(struct device
*dev
)
203 return gpio_get_value(GPIO_NR_PALMTX_SD_READONLY
);
206 static struct pxamci_platform_data palmtx_mci_platform_data
= {
207 .ocr_mask
= MMC_VDD_32_33
| MMC_VDD_33_34
,
208 .setpower
= palmtx_mci_power
,
209 .get_ro
= palmtx_mci_get_ro
,
210 .init
= palmtx_mci_init
,
211 .exit
= palmtx_mci_exit
,
214 /******************************************************************************
216 ******************************************************************************/
217 static unsigned int palmtx_matrix_keys
[] = {
218 KEY(0, 0, KEY_POWER
),
220 KEY(0, 2, KEY_ENTER
),
229 KEY(3, 0, KEY_RIGHT
),
233 static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data
= {
234 .matrix_key_rows
= 4,
235 .matrix_key_cols
= 3,
236 .matrix_key_map
= palmtx_matrix_keys
,
237 .matrix_key_map_size
= ARRAY_SIZE(palmtx_matrix_keys
),
239 .debounce_interval
= 30,
242 /******************************************************************************
244 ******************************************************************************/
245 static struct gpio_keys_button palmtx_pxa_buttons
[] = {
246 {KEY_F8
, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N
, 1, "HotSync Button" },
249 static struct gpio_keys_platform_data palmtx_pxa_keys_data
= {
250 .buttons
= palmtx_pxa_buttons
,
251 .nbuttons
= ARRAY_SIZE(palmtx_pxa_buttons
),
254 static struct platform_device palmtx_pxa_keys
= {
258 .platform_data
= &palmtx_pxa_keys_data
,
262 /******************************************************************************
264 ******************************************************************************/
265 static int palmtx_backlight_init(struct device
*dev
)
269 ret
= gpio_request(GPIO_NR_PALMTX_BL_POWER
, "BL POWER");
272 ret
= gpio_direction_output(GPIO_NR_PALMTX_BL_POWER
, 0);
275 ret
= gpio_request(GPIO_NR_PALMTX_LCD_POWER
, "LCD POWER");
278 ret
= gpio_direction_output(GPIO_NR_PALMTX_LCD_POWER
, 0);
284 gpio_free(GPIO_NR_PALMTX_LCD_POWER
);
286 gpio_free(GPIO_NR_PALMTX_BL_POWER
);
291 static int palmtx_backlight_notify(int brightness
)
293 gpio_set_value(GPIO_NR_PALMTX_BL_POWER
, brightness
);
294 gpio_set_value(GPIO_NR_PALMTX_LCD_POWER
, brightness
);
298 static void palmtx_backlight_exit(struct device
*dev
)
300 gpio_free(GPIO_NR_PALMTX_BL_POWER
);
301 gpio_free(GPIO_NR_PALMTX_LCD_POWER
);
304 static struct platform_pwm_backlight_data palmtx_backlight_data
= {
306 .max_brightness
= PALMTX_MAX_INTENSITY
,
307 .dft_brightness
= PALMTX_MAX_INTENSITY
,
308 .pwm_period_ns
= PALMTX_PERIOD_NS
,
309 .init
= palmtx_backlight_init
,
310 .notify
= palmtx_backlight_notify
,
311 .exit
= palmtx_backlight_exit
,
314 static struct platform_device palmtx_backlight
= {
315 .name
= "pwm-backlight",
317 .parent
= &pxa27x_device_pwm0
.dev
,
318 .platform_data
= &palmtx_backlight_data
,
322 /******************************************************************************
324 ******************************************************************************/
325 static int palmtx_irda_startup(struct device
*dev
)
328 err
= gpio_request(GPIO_NR_PALMTX_IR_DISABLE
, "IR DISABLE");
331 err
= gpio_direction_output(GPIO_NR_PALMTX_IR_DISABLE
, 1);
333 gpio_free(GPIO_NR_PALMTX_IR_DISABLE
);
338 static void palmtx_irda_shutdown(struct device
*dev
)
340 gpio_free(GPIO_NR_PALMTX_IR_DISABLE
);
343 static void palmtx_irda_transceiver_mode(struct device
*dev
, int mode
)
345 gpio_set_value(GPIO_NR_PALMTX_IR_DISABLE
, mode
& IR_OFF
);
346 pxa2xx_transceiver_mode(dev
, mode
);
349 static struct pxaficp_platform_data palmtx_ficp_platform_data
= {
350 .startup
= palmtx_irda_startup
,
351 .shutdown
= palmtx_irda_shutdown
,
352 .transceiver_cap
= IR_SIRMODE
| IR_FIRMODE
| IR_OFF
,
353 .transceiver_mode
= palmtx_irda_transceiver_mode
,
356 /******************************************************************************
358 ******************************************************************************/
359 static struct pxa2xx_udc_mach_info palmtx_udc_info __initdata
= {
360 .gpio_vbus
= GPIO_NR_PALMTX_USB_DETECT_N
,
361 .gpio_vbus_inverted
= 1,
362 .gpio_pullup
= GPIO_NR_PALMTX_USB_POWER
,
363 .gpio_pullup_inverted
= 0,
366 /******************************************************************************
368 ******************************************************************************/
369 static int power_supply_init(struct device
*dev
)
373 ret
= gpio_request(GPIO_NR_PALMTX_POWER_DETECT
, "CABLE_STATE_AC");
376 ret
= gpio_direction_input(GPIO_NR_PALMTX_POWER_DETECT
);
383 gpio_free(GPIO_NR_PALMTX_POWER_DETECT
);
388 static int palmtx_is_ac_online(void)
390 return gpio_get_value(GPIO_NR_PALMTX_POWER_DETECT
);
393 static void power_supply_exit(struct device
*dev
)
395 gpio_free(GPIO_NR_PALMTX_POWER_DETECT
);
398 static char *palmtx_supplicants
[] = {
402 static struct pda_power_pdata power_supply_info
= {
403 .init
= power_supply_init
,
404 .is_ac_online
= palmtx_is_ac_online
,
405 .exit
= power_supply_exit
,
406 .supplied_to
= palmtx_supplicants
,
407 .num_supplicants
= ARRAY_SIZE(palmtx_supplicants
),
410 static struct platform_device power_supply
= {
414 .platform_data
= &power_supply_info
,
418 /******************************************************************************
420 ******************************************************************************/
421 static struct wm97xx_batt_info wm97xx_batt_pdata
= {
422 .batt_aux
= WM97XX_AUX_ID3
,
423 .temp_aux
= WM97XX_AUX_ID2
,
425 .max_voltage
= PALMTX_BAT_MAX_VOLTAGE
,
426 .min_voltage
= PALMTX_BAT_MIN_VOLTAGE
,
431 .batt_tech
= POWER_SUPPLY_TECHNOLOGY_LIPO
,
432 .batt_name
= "main-batt",
435 /******************************************************************************
437 ******************************************************************************/
438 static struct pxafb_mode_info palmtx_lcd_modes
[] = {
455 static struct pxafb_mach_info palmtx_lcd_screen
= {
456 .modes
= palmtx_lcd_modes
,
457 .num_modes
= ARRAY_SIZE(palmtx_lcd_modes
),
458 .lcd_conn
= LCD_COLOR_TFT_16BPP
| LCD_PCLK_EDGE_FALL
,
461 /******************************************************************************
462 * Power management - standby
463 ******************************************************************************/
465 static u32
*addr __initdata
;
466 static u32 resume
[3] __initdata
= {
467 0xe3a00101, /* mov r0, #0x40000000 */
468 0xe380060f, /* orr r0, r0, #0x00f00000 */
469 0xe590f008, /* ldr pc, [r0, #0x08] */
472 static int __init
palmtx_pm_init(void)
476 /* this is where the bootloader jumps */
477 addr
= phys_to_virt(PALMTX_STR_BASE
);
479 for (i
= 0; i
< 3; i
++)
485 device_initcall(palmtx_pm_init
);
488 /******************************************************************************
490 ******************************************************************************/
491 static struct platform_device
*devices
[] __initdata
= {
492 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
499 static struct map_desc palmtx_io_desc
[] __initdata
= {
501 .virtual = PALMTX_PCMCIA_VIRT
,
502 .pfn
= __phys_to_pfn(PALMTX_PCMCIA_PHYS
),
503 .length
= PALMTX_PCMCIA_SIZE
,
508 static void __init
palmtx_map_io(void)
511 iotable_init(palmtx_io_desc
, ARRAY_SIZE(palmtx_io_desc
));
514 /* setup udc GPIOs initial state */
515 static void __init
palmtx_udc_init(void)
517 if (!gpio_request(GPIO_NR_PALMTX_USB_POWER
, "UDC Vbus")) {
518 gpio_direction_output(GPIO_NR_PALMTX_USB_POWER
, 1);
519 gpio_free(GPIO_NR_PALMTX_USB_POWER
);
524 static void __init
palmtx_init(void)
526 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config
));
528 set_pxa_fb_info(&palmtx_lcd_screen
);
529 pxa_set_mci_info(&palmtx_mci_platform_data
);
531 pxa_set_udc_info(&palmtx_udc_info
);
532 pxa_set_ac97_info(NULL
);
533 pxa_set_ficp_info(&palmtx_ficp_platform_data
);
534 pxa_set_keypad_info(&palmtx_keypad_platform_data
);
535 wm97xx_bat_set_pdata(&wm97xx_batt_pdata
);
537 platform_add_devices(devices
, ARRAY_SIZE(devices
));
540 MACHINE_START(PALMTX
, "Palm T|X")
541 .phys_io
= PALMTX_PHYS_IO_START
,
542 .io_pg_offst
= io_p2v(0x40000000),
543 .boot_params
= 0xa0000100,
544 .map_io
= palmtx_map_io
,
545 .init_irq
= pxa27x_init_irq
,
547 .init_machine
= palmtx_init