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c49e1e63 SL |
1 | /* |
2 | * Hardware definitions for Palm Zire72 | |
3 | * | |
4 | * Authors: | |
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> | |
9 | * | |
10 | * Rewrite for mainline: | |
11 | * Marek Vasut <marek.vasut@gmail.com> | |
12 | * | |
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. | |
16 | * | |
17 | * (find more info at www.hackndev.com) | |
18 | * | |
19 | */ | |
20 | ||
21 | #include <linux/platform_device.h> | |
2eaa03b5 | 22 | #include <linux/syscore_ops.h> |
c49e1e63 SL |
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> | |
241cf473 | 30 | #include <linux/wm97xx.h> |
c49e1e63 | 31 | #include <linux/power_supply.h> |
eb73e622 | 32 | #include <linux/usb/gpio_vbus.h> |
54a93b69 | 33 | #include <linux/i2c-gpio.h> |
c49e1e63 SL |
34 | |
35 | #include <asm/mach-types.h> | |
36 | #include <asm/mach/arch.h> | |
37 | #include <asm/mach/map.h> | |
38 | ||
51c62982 | 39 | #include <mach/pxa27x.h> |
c49e1e63 SL |
40 | #include <mach/audio.h> |
41 | #include <mach/palmz72.h> | |
42 | #include <mach/mmc.h> | |
43 | #include <mach/pxafb.h> | |
c49e1e63 | 44 | #include <mach/irda.h> |
4a2490ea | 45 | #include <plat/pxa27x_keypad.h> |
c49e1e63 | 46 | #include <mach/udc.h> |
eb73e622 | 47 | #include <mach/palmasoc.h> |
31620e21 | 48 | #include <mach/palm27x.h> |
eb73e622 | 49 | |
c49e1e63 | 50 | #include <mach/pm.h> |
54a93b69 MV |
51 | #include <mach/camera.h> |
52 | ||
53 | #include <media/soc_camera.h> | |
c49e1e63 SL |
54 | |
55 | #include "generic.h" | |
56 | #include "devices.h" | |
57 | ||
58 | /****************************************************************************** | |
59 | * Pin configuration | |
60 | ******************************************************************************/ | |
61 | static unsigned long palmz72_pin_config[] __initdata = { | |
62 | /* MMC */ | |
63 | GPIO32_MMC_CLK, | |
64 | GPIO92_MMC_DAT_0, | |
65 | GPIO109_MMC_DAT_1, | |
66 | GPIO110_MMC_DAT_2, | |
67 | GPIO111_MMC_DAT_3, | |
68 | GPIO112_MMC_CMD, | |
69 | GPIO14_GPIO, /* SD detect */ | |
70 | GPIO115_GPIO, /* SD RO */ | |
71 | GPIO98_GPIO, /* SD power */ | |
72 | ||
73 | /* AC97 */ | |
74 | GPIO28_AC97_BITCLK, | |
75 | GPIO29_AC97_SDATA_IN_0, | |
76 | GPIO30_AC97_SDATA_OUT, | |
77 | GPIO31_AC97_SYNC, | |
eb73e622 MV |
78 | GPIO89_AC97_SYSCLK, |
79 | GPIO113_AC97_nRESET, | |
c49e1e63 SL |
80 | |
81 | /* IrDA */ | |
82 | GPIO49_GPIO, /* ir disable */ | |
83 | GPIO46_FICP_RXD, | |
84 | GPIO47_FICP_TXD, | |
85 | ||
86 | /* PWM */ | |
87 | GPIO16_PWM0_OUT, | |
88 | ||
89 | /* USB */ | |
90 | GPIO15_GPIO, /* usb detect */ | |
eb73e622 | 91 | GPIO95_GPIO, /* usb pullup */ |
c49e1e63 SL |
92 | |
93 | /* Matrix keypad */ | |
94 | GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH, | |
95 | GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH, | |
96 | GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH, | |
97 | GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH, | |
98 | GPIO103_KP_MKOUT_0, | |
99 | GPIO104_KP_MKOUT_1, | |
100 | GPIO105_KP_MKOUT_2, | |
101 | ||
102 | /* LCD */ | |
bedbda97 EM |
103 | GPIOxx_LCD_TFT_16BPP, |
104 | ||
c49e1e63 SL |
105 | GPIO20_GPIO, /* bl power */ |
106 | GPIO21_GPIO, /* LCD border switch */ | |
107 | GPIO22_GPIO, /* LCD border color */ | |
108 | GPIO96_GPIO, /* lcd power */ | |
109 | ||
54a93b69 MV |
110 | /* PXA Camera */ |
111 | GPIO81_CIF_DD_0, | |
112 | GPIO48_CIF_DD_5, | |
113 | GPIO50_CIF_DD_3, | |
114 | GPIO51_CIF_DD_2, | |
115 | GPIO52_CIF_DD_4, | |
116 | GPIO53_CIF_MCLK, | |
117 | GPIO54_CIF_PCLK, | |
118 | GPIO55_CIF_DD_1, | |
119 | GPIO84_CIF_FV, | |
120 | GPIO85_CIF_LV, | |
121 | GPIO93_CIF_DD_6, | |
122 | GPIO108_CIF_DD_7, | |
123 | ||
124 | GPIO56_GPIO, /* OV9640 Powerdown */ | |
125 | GPIO57_GPIO, /* OV9640 Reset */ | |
126 | GPIO91_GPIO, /* OV9640 Power */ | |
127 | ||
128 | /* I2C */ | |
129 | GPIO117_GPIO, /* I2C_SCL */ | |
130 | GPIO118_GPIO, /* I2C_SDA */ | |
131 | ||
c49e1e63 SL |
132 | /* Misc. */ |
133 | GPIO0_GPIO | WAKEUP_ON_LEVEL_HIGH, /* power detect */ | |
134 | GPIO88_GPIO, /* green led */ | |
135 | GPIO27_GPIO, /* WM9712 IRQ */ | |
136 | }; | |
137 | ||
c49e1e63 SL |
138 | /****************************************************************************** |
139 | * GPIO keyboard | |
140 | ******************************************************************************/ | |
31620e21 | 141 | #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) |
c49e1e63 SL |
142 | static unsigned int palmz72_matrix_keys[] = { |
143 | KEY(0, 0, KEY_POWER), | |
144 | KEY(0, 1, KEY_F1), | |
145 | KEY(0, 2, KEY_ENTER), | |
146 | ||
147 | KEY(1, 0, KEY_F2), | |
148 | KEY(1, 1, KEY_F3), | |
149 | KEY(1, 2, KEY_F4), | |
150 | ||
151 | KEY(2, 0, KEY_UP), | |
152 | KEY(2, 2, KEY_DOWN), | |
153 | ||
154 | KEY(3, 0, KEY_RIGHT), | |
155 | KEY(3, 2, KEY_LEFT), | |
156 | }; | |
157 | ||
158 | static struct pxa27x_keypad_platform_data palmz72_keypad_platform_data = { | |
159 | .matrix_key_rows = 4, | |
160 | .matrix_key_cols = 3, | |
161 | .matrix_key_map = palmz72_matrix_keys, | |
162 | .matrix_key_map_size = ARRAY_SIZE(palmz72_matrix_keys), | |
163 | ||
164 | .debounce_interval = 30, | |
165 | }; | |
166 | ||
31620e21 | 167 | static void __init palmz72_kpc_init(void) |
c49e1e63 | 168 | { |
31620e21 | 169 | pxa_set_keypad_info(&palmz72_keypad_platform_data); |
c49e1e63 | 170 | } |
31620e21 MV |
171 | #else |
172 | static inline void palmz72_kpc_init(void) {} | |
173 | #endif | |
c49e1e63 SL |
174 | |
175 | /****************************************************************************** | |
176 | * LEDs | |
177 | ******************************************************************************/ | |
31620e21 | 178 | #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) |
c49e1e63 SL |
179 | static struct gpio_led gpio_leds[] = { |
180 | { | |
181 | .name = "palmz72:green:led", | |
182 | .default_trigger = "none", | |
183 | .gpio = GPIO_NR_PALMZ72_LED_GREEN, | |
184 | }, | |
185 | }; | |
186 | ||
187 | static struct gpio_led_platform_data gpio_led_info = { | |
188 | .leds = gpio_leds, | |
189 | .num_leds = ARRAY_SIZE(gpio_leds), | |
190 | }; | |
191 | ||
192 | static struct platform_device palmz72_leds = { | |
193 | .name = "leds-gpio", | |
194 | .id = -1, | |
195 | .dev = { | |
196 | .platform_data = &gpio_led_info, | |
197 | } | |
198 | }; | |
199 | ||
31620e21 | 200 | static void __init palmz72_leds_init(void) |
c49e1e63 | 201 | { |
31620e21 | 202 | platform_device_register(&palmz72_leds); |
c49e1e63 | 203 | } |
31620e21 MV |
204 | #else |
205 | static inline void palmz72_leds_init(void) {} | |
206 | #endif | |
c49e1e63 | 207 | |
fda50a1c SL |
208 | #ifdef CONFIG_PM |
209 | ||
210 | /* We have some black magic here | |
211 | * PalmOS ROM on recover expects special struct physical address | |
212 | * to be transferred via PSPR. Using this struct PalmOS restores | |
213 | * its state after sleep. As for Linux, we need to setup it the | |
214 | * same way. More than that, PalmOS ROM changes some values in memory. | |
215 | * For now only one location is found, which needs special treatment. | |
216 | * Thanks to Alex Osborne, Andrzej Zaborowski, and lots of other people | |
217 | * for reading backtraces for me :) | |
218 | */ | |
219 | ||
220 | #define PALMZ72_SAVE_DWORD ((unsigned long *)0xc0000050) | |
221 | ||
222 | static struct palmz72_resume_info palmz72_resume_info = { | |
223 | .magic0 = 0xb4e6, | |
224 | .magic1 = 1, | |
225 | ||
226 | /* reset state, MMU off etc */ | |
227 | .arm_control = 0, | |
228 | .aux_control = 0, | |
229 | .ttb = 0, | |
230 | .domain_access = 0, | |
231 | .process_id = 0, | |
232 | }; | |
233 | ||
234 | static unsigned long store_ptr; | |
235 | ||
2eaa03b5 | 236 | /* syscore_ops for Palm Zire 72 PM */ |
fda50a1c | 237 | |
2eaa03b5 | 238 | static int palmz72_pm_suspend(void) |
fda50a1c SL |
239 | { |
240 | /* setup the resume_info struct for the original bootloader */ | |
4f5ad99b | 241 | palmz72_resume_info.resume_addr = (u32) cpu_resume; |
fda50a1c SL |
242 | |
243 | /* Storing memory touched by ROM */ | |
244 | store_ptr = *PALMZ72_SAVE_DWORD; | |
245 | ||
246 | /* Setting PSPR to a proper value */ | |
247 | PSPR = virt_to_phys(&palmz72_resume_info); | |
248 | ||
249 | return 0; | |
250 | } | |
251 | ||
2eaa03b5 | 252 | static void palmz72_pm_resume(void) |
fda50a1c SL |
253 | { |
254 | *PALMZ72_SAVE_DWORD = store_ptr; | |
fda50a1c SL |
255 | } |
256 | ||
2eaa03b5 | 257 | static struct syscore_ops palmz72_pm_syscore_ops = { |
fda50a1c SL |
258 | .suspend = palmz72_pm_suspend, |
259 | .resume = palmz72_pm_resume, | |
260 | }; | |
261 | ||
fda50a1c SL |
262 | static int __init palmz72_pm_init(void) |
263 | { | |
fda50a1c | 264 | if (machine_is_palmz72()) { |
2eaa03b5 RW |
265 | register_syscore_ops(&palmz72_pm_syscore_ops); |
266 | return 0; | |
fda50a1c | 267 | } |
2eaa03b5 | 268 | return -ENODEV; |
fda50a1c SL |
269 | } |
270 | ||
271 | device_initcall(palmz72_pm_init); | |
272 | #endif | |
273 | ||
54a93b69 MV |
274 | /****************************************************************************** |
275 | * SoC Camera | |
276 | ******************************************************************************/ | |
277 | #if defined(CONFIG_SOC_CAMERA_OV9640) || \ | |
278 | defined(CONFIG_SOC_CAMERA_OV9640_MODULE) | |
279 | static struct pxacamera_platform_data palmz72_pxacamera_platform_data = { | |
280 | .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 | | |
281 | PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN, | |
282 | .mclk_10khz = 2600, | |
283 | }; | |
284 | ||
285 | /* Board I2C devices. */ | |
286 | static struct i2c_board_info palmz72_i2c_device[] = { | |
287 | { | |
288 | I2C_BOARD_INFO("ov9640", 0x30), | |
289 | } | |
290 | }; | |
291 | ||
292 | static int palmz72_camera_power(struct device *dev, int power) | |
293 | { | |
294 | gpio_set_value(GPIO_NR_PALMZ72_CAM_PWDN, !power); | |
295 | mdelay(50); | |
296 | return 0; | |
297 | } | |
298 | ||
299 | static int palmz72_camera_reset(struct device *dev) | |
300 | { | |
301 | gpio_set_value(GPIO_NR_PALMZ72_CAM_RESET, 1); | |
302 | mdelay(50); | |
303 | gpio_set_value(GPIO_NR_PALMZ72_CAM_RESET, 0); | |
304 | mdelay(50); | |
305 | return 0; | |
306 | } | |
307 | ||
308 | static struct soc_camera_link palmz72_iclink = { | |
309 | .bus_id = 0, /* Match id in pxa27x_device_camera in device.c */ | |
310 | .board_info = &palmz72_i2c_device[0], | |
311 | .i2c_adapter_id = 0, | |
312 | .module_name = "ov96xx", | |
313 | .power = &palmz72_camera_power, | |
314 | .reset = &palmz72_camera_reset, | |
315 | .flags = SOCAM_DATAWIDTH_8, | |
316 | }; | |
317 | ||
318 | static struct i2c_gpio_platform_data palmz72_i2c_bus_data = { | |
319 | .sda_pin = 118, | |
320 | .scl_pin = 117, | |
321 | .udelay = 10, | |
322 | .timeout = 100, | |
323 | }; | |
324 | ||
325 | static struct platform_device palmz72_i2c_bus_device = { | |
326 | .name = "i2c-gpio", | |
327 | .id = 0, /* we use this as a replacement for i2c-pxa */ | |
328 | .dev = { | |
329 | .platform_data = &palmz72_i2c_bus_data, | |
330 | } | |
331 | }; | |
332 | ||
333 | static struct platform_device palmz72_camera = { | |
334 | .name = "soc-camera-pdrv", | |
335 | .id = -1, | |
336 | .dev = { | |
337 | .platform_data = &palmz72_iclink, | |
338 | }, | |
339 | }; | |
340 | ||
341 | /* Here we request the camera GPIOs and configure them. We power up the camera | |
342 | * module, deassert the reset pin, but put it into powerdown (low to no power | |
343 | * consumption) mode. This allows us to later bring the module up fast. */ | |
344 | static struct gpio palmz72_camera_gpios[] = { | |
345 | { GPIO_NR_PALMZ72_CAM_POWER, GPIOF_INIT_HIGH,"Camera DVDD" }, | |
346 | { GPIO_NR_PALMZ72_CAM_RESET, GPIOF_INIT_LOW, "Camera RESET" }, | |
347 | { GPIO_NR_PALMZ72_CAM_PWDN, GPIOF_INIT_LOW, "Camera PWDN" }, | |
348 | }; | |
349 | ||
350 | static inline void __init palmz72_cam_gpio_init(void) | |
351 | { | |
352 | int ret; | |
353 | ||
354 | ret = gpio_request_array(ARRAY_AND_SIZE(palmz72_camera_gpios)); | |
355 | if (!ret) | |
356 | gpio_free_array(ARRAY_AND_SIZE(palmz72_camera_gpios)); | |
357 | else | |
358 | printk(KERN_ERR "Camera GPIO init failed!\n"); | |
359 | ||
360 | return; | |
361 | } | |
362 | ||
363 | static void __init palmz72_camera_init(void) | |
364 | { | |
365 | palmz72_cam_gpio_init(); | |
366 | pxa_set_camera_info(&palmz72_pxacamera_platform_data); | |
367 | platform_device_register(&palmz72_i2c_bus_device); | |
368 | platform_device_register(&palmz72_camera); | |
369 | } | |
370 | #else | |
371 | static inline void palmz72_camera_init(void) {} | |
372 | #endif | |
373 | ||
c49e1e63 SL |
374 | /****************************************************************************** |
375 | * Machine init | |
376 | ******************************************************************************/ | |
c49e1e63 SL |
377 | static void __init palmz72_init(void) |
378 | { | |
379 | pxa2xx_mfp_config(ARRAY_AND_SIZE(palmz72_pin_config)); | |
cc155c6f RK |
380 | pxa_set_ffuart_info(NULL); |
381 | pxa_set_btuart_info(NULL); | |
382 | pxa_set_stuart_info(NULL); | |
383 | ||
31620e21 MV |
384 | palm27x_mmc_init(GPIO_NR_PALMZ72_SD_DETECT_N, GPIO_NR_PALMZ72_SD_RO, |
385 | GPIO_NR_PALMZ72_SD_POWER_N, 1); | |
386 | palm27x_lcd_init(-1, &palm_320x320_lcd_mode); | |
387 | palm27x_udc_init(GPIO_NR_PALMZ72_USB_DETECT_N, | |
388 | GPIO_NR_PALMZ72_USB_PULLUP, 0); | |
389 | palm27x_irda_init(GPIO_NR_PALMZ72_IR_DISABLE); | |
390 | palm27x_ac97_init(PALMZ72_BAT_MIN_VOLTAGE, PALMZ72_BAT_MAX_VOLTAGE, | |
391 | -1, 113); | |
392 | palm27x_pwm_init(-1, -1); | |
393 | palm27x_power_init(-1, -1); | |
394 | palm27x_pmic_init(); | |
395 | palmz72_kpc_init(); | |
396 | palmz72_leds_init(); | |
54a93b69 | 397 | palmz72_camera_init(); |
c49e1e63 SL |
398 | } |
399 | ||
400 | MACHINE_START(PALMZ72, "Palm Zire72") | |
c49e1e63 | 401 | .boot_params = 0xa0000100, |
851982c1 | 402 | .map_io = pxa27x_map_io, |
c49e1e63 SL |
403 | .init_irq = pxa27x_init_irq, |
404 | .timer = &pxa_timer, | |
405 | .init_machine = palmz72_init | |
406 | MACHINE_END |