2 * Hardware definitions for Palm Zire72
5 * Vladimir "Farcaller" Pouzanov <farcaller@gmail.com>
6 * Sergey Lapin <slapin@ossfans.org>
7 * Alex Osborne <bobofdoom@gmail.com>
8 * Jan Herman <2hp@seznam.cz>
10 * Rewrite for mainline:
11 * Marek Vasut <marek.vasut@gmail.com>
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License version 2 as
15 * published by the Free Software Foundation.
17 * (find more info at www.hackndev.com)
21 #include <linux/platform_device.h>
22 #include <linux/syscore_ops.h>
23 #include <linux/delay.h>
24 #include <linux/irq.h>
25 #include <linux/gpio_keys.h>
26 #include <linux/input.h>
27 #include <linux/pda_power.h>
28 #include <linux/pwm_backlight.h>
29 #include <linux/gpio.h>
30 #include <linux/wm97xx.h>
31 #include <linux/power_supply.h>
32 #include <linux/usb/gpio_vbus.h>
33 #include <linux/i2c-gpio.h>
35 #include <asm/mach-types.h>
36 #include <asm/suspend.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/palmz72.h>
44 #include <mach/pxafb.h>
45 #include <mach/irda.h>
46 #include <plat/pxa27x_keypad.h>
48 #include <mach/palmasoc.h>
49 #include <mach/palm27x.h>
52 #include <mach/camera.h>
54 #include <media/soc_camera.h>
59 /******************************************************************************
61 ******************************************************************************/
62 static unsigned long palmz72_pin_config[] __initdata = {
70 GPIO14_GPIO, /* SD detect */
71 GPIO115_GPIO, /* SD RO */
72 GPIO98_GPIO, /* SD power */
76 GPIO29_AC97_SDATA_IN_0,
77 GPIO30_AC97_SDATA_OUT,
83 GPIO49_GPIO, /* ir disable */
91 GPIO15_GPIO, /* usb detect */
92 GPIO95_GPIO, /* usb pullup */
95 GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
96 GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
97 GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
98 GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
104 GPIOxx_LCD_TFT_16BPP,
106 GPIO20_GPIO, /* bl power */
107 GPIO21_GPIO, /* LCD border switch */
108 GPIO22_GPIO, /* LCD border color */
109 GPIO96_GPIO, /* lcd power */
125 GPIO56_GPIO, /* OV9640 Powerdown */
126 GPIO57_GPIO, /* OV9640 Reset */
127 GPIO91_GPIO, /* OV9640 Power */
130 GPIO117_GPIO, /* I2C_SCL */
131 GPIO118_GPIO, /* I2C_SDA */
134 GPIO0_GPIO | WAKEUP_ON_LEVEL_HIGH, /* power detect */
135 GPIO88_GPIO, /* green led */
136 GPIO27_GPIO, /* WM9712 IRQ */
139 /******************************************************************************
141 ******************************************************************************/
142 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
143 static unsigned int palmz72_matrix_keys[] = {
144 KEY(0, 0, KEY_POWER),
146 KEY(0, 2, KEY_ENTER),
155 KEY(3, 0, KEY_RIGHT),
159 static struct pxa27x_keypad_platform_data palmz72_keypad_platform_data = {
160 .matrix_key_rows = 4,
161 .matrix_key_cols = 3,
162 .matrix_key_map = palmz72_matrix_keys,
163 .matrix_key_map_size = ARRAY_SIZE(palmz72_matrix_keys),
165 .debounce_interval = 30,
168 static void __init palmz72_kpc_init(void)
170 pxa_set_keypad_info(&palmz72_keypad_platform_data);
173 static inline void palmz72_kpc_init(void) {}
176 /******************************************************************************
178 ******************************************************************************/
179 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
180 static struct gpio_led gpio_leds[] = {
182 .name = "palmz72:green:led",
183 .default_trigger = "none",
184 .gpio = GPIO_NR_PALMZ72_LED_GREEN,
188 static struct gpio_led_platform_data gpio_led_info = {
190 .num_leds = ARRAY_SIZE(gpio_leds),
193 static struct platform_device palmz72_leds = {
197 .platform_data = &gpio_led_info,
201 static void __init palmz72_leds_init(void)
203 platform_device_register(&palmz72_leds);
206 static inline void palmz72_leds_init(void) {}
211 /* We have some black magic here
212 * PalmOS ROM on recover expects special struct physical address
213 * to be transferred via PSPR. Using this struct PalmOS restores
214 * its state after sleep. As for Linux, we need to setup it the
215 * same way. More than that, PalmOS ROM changes some values in memory.
216 * For now only one location is found, which needs special treatment.
217 * Thanks to Alex Osborne, Andrzej Zaborowski, and lots of other people
218 * for reading backtraces for me :)
221 #define PALMZ72_SAVE_DWORD ((unsigned long *)0xc0000050)
223 static struct palmz72_resume_info palmz72_resume_info = {
227 /* reset state, MMU off etc */
235 static unsigned long store_ptr;
237 /* syscore_ops for Palm Zire 72 PM */
239 static int palmz72_pm_suspend(void)
241 /* setup the resume_info struct for the original bootloader */
242 palmz72_resume_info.resume_addr = (u32) cpu_resume;
244 /* Storing memory touched by ROM */
245 store_ptr = *PALMZ72_SAVE_DWORD;
247 /* Setting PSPR to a proper value */
248 PSPR = virt_to_phys(&palmz72_resume_info);
253 static void palmz72_pm_resume(void)
255 *PALMZ72_SAVE_DWORD = store_ptr;
258 static struct syscore_ops palmz72_pm_syscore_ops = {
259 .suspend = palmz72_pm_suspend,
260 .resume = palmz72_pm_resume,
263 static int __init palmz72_pm_init(void)
265 if (machine_is_palmz72()) {
266 register_syscore_ops(&palmz72_pm_syscore_ops);
272 device_initcall(palmz72_pm_init);
275 /******************************************************************************
277 ******************************************************************************/
278 #if defined(CONFIG_SOC_CAMERA_OV9640) || \
279 defined(CONFIG_SOC_CAMERA_OV9640_MODULE)
280 static struct pxacamera_platform_data palmz72_pxacamera_platform_data = {
281 .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
282 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
286 /* Board I2C devices. */
287 static struct i2c_board_info palmz72_i2c_device[] = {
289 I2C_BOARD_INFO("ov9640", 0x30),
293 static int palmz72_camera_power(struct device *dev, int power)
295 gpio_set_value(GPIO_NR_PALMZ72_CAM_PWDN, !power);
300 static int palmz72_camera_reset(struct device *dev)
302 gpio_set_value(GPIO_NR_PALMZ72_CAM_RESET, 1);
304 gpio_set_value(GPIO_NR_PALMZ72_CAM_RESET, 0);
309 static struct soc_camera_link palmz72_iclink = {
310 .bus_id = 0, /* Match id in pxa27x_device_camera in device.c */
311 .board_info = &palmz72_i2c_device[0],
313 .module_name = "ov96xx",
314 .power = &palmz72_camera_power,
315 .reset = &palmz72_camera_reset,
316 .flags = SOCAM_DATAWIDTH_8,
319 static struct i2c_gpio_platform_data palmz72_i2c_bus_data = {
326 static struct platform_device palmz72_i2c_bus_device = {
328 .id = 0, /* we use this as a replacement for i2c-pxa */
330 .platform_data = &palmz72_i2c_bus_data,
334 static struct platform_device palmz72_camera = {
335 .name = "soc-camera-pdrv",
338 .platform_data = &palmz72_iclink,
342 /* Here we request the camera GPIOs and configure them. We power up the camera
343 * module, deassert the reset pin, but put it into powerdown (low to no power
344 * consumption) mode. This allows us to later bring the module up fast. */
345 static struct gpio palmz72_camera_gpios[] = {
346 { GPIO_NR_PALMZ72_CAM_POWER, GPIOF_INIT_HIGH,"Camera DVDD" },
347 { GPIO_NR_PALMZ72_CAM_RESET, GPIOF_INIT_LOW, "Camera RESET" },
348 { GPIO_NR_PALMZ72_CAM_PWDN, GPIOF_INIT_LOW, "Camera PWDN" },
351 static inline void __init palmz72_cam_gpio_init(void)
355 ret = gpio_request_array(ARRAY_AND_SIZE(palmz72_camera_gpios));
357 gpio_free_array(ARRAY_AND_SIZE(palmz72_camera_gpios));
359 printk(KERN_ERR "Camera GPIO init failed!\n");
364 static void __init palmz72_camera_init(void)
366 palmz72_cam_gpio_init();
367 pxa_set_camera_info(&palmz72_pxacamera_platform_data);
368 platform_device_register(&palmz72_i2c_bus_device);
369 platform_device_register(&palmz72_camera);
372 static inline void palmz72_camera_init(void) {}
375 /******************************************************************************
377 ******************************************************************************/
378 static void __init palmz72_init(void)
380 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmz72_pin_config));
381 pxa_set_ffuart_info(NULL);
382 pxa_set_btuart_info(NULL);
383 pxa_set_stuart_info(NULL);
385 palm27x_mmc_init(GPIO_NR_PALMZ72_SD_DETECT_N, GPIO_NR_PALMZ72_SD_RO,
386 GPIO_NR_PALMZ72_SD_POWER_N, 1);
387 palm27x_lcd_init(-1, &palm_320x320_lcd_mode);
388 palm27x_udc_init(GPIO_NR_PALMZ72_USB_DETECT_N,
389 GPIO_NR_PALMZ72_USB_PULLUP, 0);
390 palm27x_irda_init(GPIO_NR_PALMZ72_IR_DISABLE);
391 palm27x_ac97_init(PALMZ72_BAT_MIN_VOLTAGE, PALMZ72_BAT_MAX_VOLTAGE,
393 palm27x_pwm_init(-1, -1);
394 palm27x_power_init(-1, -1);
398 palmz72_camera_init();
401 MACHINE_START(PALMZ72, "Palm Zire72")
402 .boot_params = 0xa0000100,
403 .map_io = pxa27x_map_io,
404 .init_irq = pxa27x_init_irq,
405 .handle_irq = pxa27x_handle_irq,
407 .init_machine = palmz72_init