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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> | |
22 | #include <linux/sysdev.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> | |
eb73e622 | 30 | #include <linux/wm97xx_batt.h> |
c49e1e63 | 31 | #include <linux/power_supply.h> |
eb73e622 | 32 | #include <linux/usb/gpio_vbus.h> |
c49e1e63 SL |
33 | |
34 | #include <asm/mach-types.h> | |
35 | #include <asm/mach/arch.h> | |
36 | #include <asm/mach/map.h> | |
37 | ||
51c62982 | 38 | #include <mach/pxa27x.h> |
c49e1e63 SL |
39 | #include <mach/audio.h> |
40 | #include <mach/palmz72.h> | |
41 | #include <mach/mmc.h> | |
42 | #include <mach/pxafb.h> | |
c49e1e63 SL |
43 | #include <mach/irda.h> |
44 | #include <mach/pxa27x_keypad.h> | |
45 | #include <mach/udc.h> | |
eb73e622 MV |
46 | #include <mach/palmasoc.h> |
47 | ||
c49e1e63 SL |
48 | #include <mach/pm.h> |
49 | ||
50 | #include "generic.h" | |
51 | #include "devices.h" | |
52 | ||
53 | /****************************************************************************** | |
54 | * Pin configuration | |
55 | ******************************************************************************/ | |
56 | static unsigned long palmz72_pin_config[] __initdata = { | |
57 | /* MMC */ | |
58 | GPIO32_MMC_CLK, | |
59 | GPIO92_MMC_DAT_0, | |
60 | GPIO109_MMC_DAT_1, | |
61 | GPIO110_MMC_DAT_2, | |
62 | GPIO111_MMC_DAT_3, | |
63 | GPIO112_MMC_CMD, | |
64 | GPIO14_GPIO, /* SD detect */ | |
65 | GPIO115_GPIO, /* SD RO */ | |
66 | GPIO98_GPIO, /* SD power */ | |
67 | ||
68 | /* AC97 */ | |
69 | GPIO28_AC97_BITCLK, | |
70 | GPIO29_AC97_SDATA_IN_0, | |
71 | GPIO30_AC97_SDATA_OUT, | |
72 | GPIO31_AC97_SYNC, | |
eb73e622 MV |
73 | GPIO89_AC97_SYSCLK, |
74 | GPIO113_AC97_nRESET, | |
c49e1e63 SL |
75 | |
76 | /* IrDA */ | |
77 | GPIO49_GPIO, /* ir disable */ | |
78 | GPIO46_FICP_RXD, | |
79 | GPIO47_FICP_TXD, | |
80 | ||
81 | /* PWM */ | |
82 | GPIO16_PWM0_OUT, | |
83 | ||
84 | /* USB */ | |
85 | GPIO15_GPIO, /* usb detect */ | |
eb73e622 | 86 | GPIO95_GPIO, /* usb pullup */ |
c49e1e63 SL |
87 | |
88 | /* Matrix keypad */ | |
89 | GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH, | |
90 | GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH, | |
91 | GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH, | |
92 | GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH, | |
93 | GPIO103_KP_MKOUT_0, | |
94 | GPIO104_KP_MKOUT_1, | |
95 | GPIO105_KP_MKOUT_2, | |
96 | ||
97 | /* LCD */ | |
bedbda97 EM |
98 | GPIOxx_LCD_TFT_16BPP, |
99 | ||
c49e1e63 SL |
100 | GPIO20_GPIO, /* bl power */ |
101 | GPIO21_GPIO, /* LCD border switch */ | |
102 | GPIO22_GPIO, /* LCD border color */ | |
103 | GPIO96_GPIO, /* lcd power */ | |
104 | ||
105 | /* Misc. */ | |
106 | GPIO0_GPIO | WAKEUP_ON_LEVEL_HIGH, /* power detect */ | |
107 | GPIO88_GPIO, /* green led */ | |
108 | GPIO27_GPIO, /* WM9712 IRQ */ | |
109 | }; | |
110 | ||
111 | /****************************************************************************** | |
112 | * SD/MMC card controller | |
113 | ******************************************************************************/ | |
7a648256 RJ |
114 | /* SD_POWER is not actually power, but it is more like chip |
115 | * select, i.e. it is inverted */ | |
c49e1e63 | 116 | static struct pxamci_platform_data palmz72_mci_platform_data = { |
7a648256 RJ |
117 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
118 | .gpio_card_detect = GPIO_NR_PALMZ72_SD_DETECT_N, | |
119 | .gpio_card_ro = GPIO_NR_PALMZ72_SD_RO, | |
120 | .gpio_power = GPIO_NR_PALMZ72_SD_POWER_N, | |
121 | .gpio_power_invert = 1, | |
c49e1e63 SL |
122 | }; |
123 | ||
124 | /****************************************************************************** | |
125 | * GPIO keyboard | |
126 | ******************************************************************************/ | |
127 | static unsigned int palmz72_matrix_keys[] = { | |
128 | KEY(0, 0, KEY_POWER), | |
129 | KEY(0, 1, KEY_F1), | |
130 | KEY(0, 2, KEY_ENTER), | |
131 | ||
132 | KEY(1, 0, KEY_F2), | |
133 | KEY(1, 1, KEY_F3), | |
134 | KEY(1, 2, KEY_F4), | |
135 | ||
136 | KEY(2, 0, KEY_UP), | |
137 | KEY(2, 2, KEY_DOWN), | |
138 | ||
139 | KEY(3, 0, KEY_RIGHT), | |
140 | KEY(3, 2, KEY_LEFT), | |
141 | }; | |
142 | ||
143 | static struct pxa27x_keypad_platform_data palmz72_keypad_platform_data = { | |
144 | .matrix_key_rows = 4, | |
145 | .matrix_key_cols = 3, | |
146 | .matrix_key_map = palmz72_matrix_keys, | |
147 | .matrix_key_map_size = ARRAY_SIZE(palmz72_matrix_keys), | |
148 | ||
149 | .debounce_interval = 30, | |
150 | }; | |
151 | ||
152 | /****************************************************************************** | |
153 | * Backlight | |
154 | ******************************************************************************/ | |
155 | static int palmz72_backlight_init(struct device *dev) | |
156 | { | |
157 | int ret; | |
158 | ||
159 | ret = gpio_request(GPIO_NR_PALMZ72_BL_POWER, "BL POWER"); | |
160 | if (ret) | |
161 | goto err; | |
162 | ret = gpio_direction_output(GPIO_NR_PALMZ72_BL_POWER, 0); | |
163 | if (ret) | |
164 | goto err2; | |
165 | ret = gpio_request(GPIO_NR_PALMZ72_LCD_POWER, "LCD POWER"); | |
166 | if (ret) | |
167 | goto err2; | |
168 | ret = gpio_direction_output(GPIO_NR_PALMZ72_LCD_POWER, 0); | |
169 | if (ret) | |
170 | goto err3; | |
171 | ||
172 | return 0; | |
173 | err3: | |
174 | gpio_free(GPIO_NR_PALMZ72_LCD_POWER); | |
175 | err2: | |
176 | gpio_free(GPIO_NR_PALMZ72_BL_POWER); | |
177 | err: | |
178 | return ret; | |
179 | } | |
180 | ||
2d51a521 | 181 | static int palmz72_backlight_notify(struct device *dev, int brightness) |
c49e1e63 SL |
182 | { |
183 | gpio_set_value(GPIO_NR_PALMZ72_BL_POWER, brightness); | |
184 | gpio_set_value(GPIO_NR_PALMZ72_LCD_POWER, brightness); | |
185 | return brightness; | |
186 | } | |
187 | ||
188 | static void palmz72_backlight_exit(struct device *dev) | |
189 | { | |
190 | gpio_free(GPIO_NR_PALMZ72_BL_POWER); | |
191 | gpio_free(GPIO_NR_PALMZ72_LCD_POWER); | |
192 | } | |
193 | ||
194 | static struct platform_pwm_backlight_data palmz72_backlight_data = { | |
195 | .pwm_id = 0, | |
196 | .max_brightness = PALMZ72_MAX_INTENSITY, | |
197 | .dft_brightness = PALMZ72_MAX_INTENSITY, | |
198 | .pwm_period_ns = PALMZ72_PERIOD_NS, | |
199 | .init = palmz72_backlight_init, | |
200 | .notify = palmz72_backlight_notify, | |
201 | .exit = palmz72_backlight_exit, | |
202 | }; | |
203 | ||
204 | static struct platform_device palmz72_backlight = { | |
205 | .name = "pwm-backlight", | |
206 | .dev = { | |
207 | .parent = &pxa27x_device_pwm0.dev, | |
208 | .platform_data = &palmz72_backlight_data, | |
209 | }, | |
210 | }; | |
211 | ||
212 | /****************************************************************************** | |
213 | * IrDA | |
214 | ******************************************************************************/ | |
c49e1e63 | 215 | static struct pxaficp_platform_data palmz72_ficp_platform_data = { |
c4bd0172 | 216 | .gpio_pwdown = GPIO_NR_PALMZ72_IR_DISABLE, |
c49e1e63 | 217 | .transceiver_cap = IR_SIRMODE | IR_OFF, |
c49e1e63 SL |
218 | }; |
219 | ||
220 | /****************************************************************************** | |
221 | * LEDs | |
222 | ******************************************************************************/ | |
223 | static struct gpio_led gpio_leds[] = { | |
224 | { | |
225 | .name = "palmz72:green:led", | |
226 | .default_trigger = "none", | |
227 | .gpio = GPIO_NR_PALMZ72_LED_GREEN, | |
228 | }, | |
229 | }; | |
230 | ||
231 | static struct gpio_led_platform_data gpio_led_info = { | |
232 | .leds = gpio_leds, | |
233 | .num_leds = ARRAY_SIZE(gpio_leds), | |
234 | }; | |
235 | ||
236 | static struct platform_device palmz72_leds = { | |
237 | .name = "leds-gpio", | |
238 | .id = -1, | |
239 | .dev = { | |
240 | .platform_data = &gpio_led_info, | |
241 | } | |
242 | }; | |
243 | ||
eb73e622 MV |
244 | /****************************************************************************** |
245 | * UDC | |
246 | ******************************************************************************/ | |
247 | static struct gpio_vbus_mach_info palmz72_udc_info = { | |
248 | .gpio_vbus = GPIO_NR_PALMZ72_USB_DETECT_N, | |
249 | .gpio_pullup = GPIO_NR_PALMZ72_USB_PULLUP, | |
250 | }; | |
251 | ||
252 | static struct platform_device palmz72_gpio_vbus = { | |
253 | .name = "gpio-vbus", | |
254 | .id = -1, | |
255 | .dev = { | |
256 | .platform_data = &palmz72_udc_info, | |
257 | }, | |
258 | }; | |
259 | ||
c49e1e63 SL |
260 | /****************************************************************************** |
261 | * Power supply | |
262 | ******************************************************************************/ | |
263 | static int power_supply_init(struct device *dev) | |
264 | { | |
265 | int ret; | |
266 | ||
267 | ret = gpio_request(GPIO_NR_PALMZ72_POWER_DETECT, "CABLE_STATE_AC"); | |
268 | if (ret) | |
269 | goto err1; | |
270 | ret = gpio_direction_input(GPIO_NR_PALMZ72_POWER_DETECT); | |
271 | if (ret) | |
272 | goto err2; | |
273 | ||
274 | ret = gpio_request(GPIO_NR_PALMZ72_USB_DETECT_N, "CABLE_STATE_USB"); | |
275 | if (ret) | |
276 | goto err2; | |
277 | ret = gpio_direction_input(GPIO_NR_PALMZ72_USB_DETECT_N); | |
278 | if (ret) | |
279 | goto err3; | |
280 | ||
281 | return 0; | |
282 | err3: | |
283 | gpio_free(GPIO_NR_PALMZ72_USB_DETECT_N); | |
284 | err2: | |
285 | gpio_free(GPIO_NR_PALMZ72_POWER_DETECT); | |
286 | err1: | |
287 | return ret; | |
288 | } | |
289 | ||
290 | static int palmz72_is_ac_online(void) | |
291 | { | |
292 | return gpio_get_value(GPIO_NR_PALMZ72_POWER_DETECT); | |
293 | } | |
294 | ||
295 | static int palmz72_is_usb_online(void) | |
296 | { | |
297 | return !gpio_get_value(GPIO_NR_PALMZ72_USB_DETECT_N); | |
298 | } | |
299 | ||
300 | static void power_supply_exit(struct device *dev) | |
301 | { | |
302 | gpio_free(GPIO_NR_PALMZ72_USB_DETECT_N); | |
303 | gpio_free(GPIO_NR_PALMZ72_POWER_DETECT); | |
304 | } | |
305 | ||
306 | static char *palmz72_supplicants[] = { | |
307 | "main-battery", | |
308 | }; | |
309 | ||
310 | static struct pda_power_pdata power_supply_info = { | |
311 | .init = power_supply_init, | |
312 | .is_ac_online = palmz72_is_ac_online, | |
313 | .is_usb_online = palmz72_is_usb_online, | |
314 | .exit = power_supply_exit, | |
315 | .supplied_to = palmz72_supplicants, | |
316 | .num_supplicants = ARRAY_SIZE(palmz72_supplicants), | |
317 | }; | |
318 | ||
319 | static struct platform_device power_supply = { | |
320 | .name = "pda-power", | |
321 | .id = -1, | |
322 | .dev = { | |
323 | .platform_data = &power_supply_info, | |
324 | }, | |
325 | }; | |
326 | ||
eb73e622 MV |
327 | /****************************************************************************** |
328 | * WM97xx battery | |
329 | ******************************************************************************/ | |
330 | static struct wm97xx_batt_info wm97xx_batt_pdata = { | |
331 | .batt_aux = WM97XX_AUX_ID3, | |
332 | .temp_aux = WM97XX_AUX_ID2, | |
333 | .charge_gpio = -1, | |
334 | .max_voltage = PALMZ72_BAT_MAX_VOLTAGE, | |
335 | .min_voltage = PALMZ72_BAT_MIN_VOLTAGE, | |
336 | .batt_mult = 1000, | |
337 | .batt_div = 414, | |
338 | .temp_mult = 1, | |
339 | .temp_div = 1, | |
340 | .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO, | |
341 | .batt_name = "main-batt", | |
342 | }; | |
343 | ||
344 | /****************************************************************************** | |
345 | * aSoC audio | |
346 | ******************************************************************************/ | |
347 | static struct platform_device palmz72_asoc = { | |
348 | .name = "palm27x-asoc", | |
349 | .id = -1, | |
350 | }; | |
351 | ||
c49e1e63 SL |
352 | /****************************************************************************** |
353 | * Framebuffer | |
354 | ******************************************************************************/ | |
355 | static struct pxafb_mode_info palmz72_lcd_modes[] = { | |
356 | { | |
357 | .pixclock = 115384, | |
358 | .xres = 320, | |
359 | .yres = 320, | |
360 | .bpp = 16, | |
361 | ||
362 | .left_margin = 27, | |
363 | .right_margin = 7, | |
364 | .upper_margin = 7, | |
365 | .lower_margin = 8, | |
366 | ||
367 | .hsync_len = 6, | |
368 | .vsync_len = 1, | |
369 | }, | |
370 | }; | |
371 | ||
372 | static struct pxafb_mach_info palmz72_lcd_screen = { | |
373 | .modes = palmz72_lcd_modes, | |
374 | .num_modes = ARRAY_SIZE(palmz72_lcd_modes), | |
375 | .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, | |
376 | }; | |
377 | ||
fda50a1c SL |
378 | #ifdef CONFIG_PM |
379 | ||
380 | /* We have some black magic here | |
381 | * PalmOS ROM on recover expects special struct physical address | |
382 | * to be transferred via PSPR. Using this struct PalmOS restores | |
383 | * its state after sleep. As for Linux, we need to setup it the | |
384 | * same way. More than that, PalmOS ROM changes some values in memory. | |
385 | * For now only one location is found, which needs special treatment. | |
386 | * Thanks to Alex Osborne, Andrzej Zaborowski, and lots of other people | |
387 | * for reading backtraces for me :) | |
388 | */ | |
389 | ||
390 | #define PALMZ72_SAVE_DWORD ((unsigned long *)0xc0000050) | |
391 | ||
392 | static struct palmz72_resume_info palmz72_resume_info = { | |
393 | .magic0 = 0xb4e6, | |
394 | .magic1 = 1, | |
395 | ||
396 | /* reset state, MMU off etc */ | |
397 | .arm_control = 0, | |
398 | .aux_control = 0, | |
399 | .ttb = 0, | |
400 | .domain_access = 0, | |
401 | .process_id = 0, | |
402 | }; | |
403 | ||
404 | static unsigned long store_ptr; | |
405 | ||
406 | /* sys_device for Palm Zire 72 PM */ | |
407 | ||
408 | static int palmz72_pm_suspend(struct sys_device *dev, pm_message_t msg) | |
409 | { | |
410 | /* setup the resume_info struct for the original bootloader */ | |
411 | palmz72_resume_info.resume_addr = (u32) pxa_cpu_resume; | |
412 | ||
413 | /* Storing memory touched by ROM */ | |
414 | store_ptr = *PALMZ72_SAVE_DWORD; | |
415 | ||
416 | /* Setting PSPR to a proper value */ | |
417 | PSPR = virt_to_phys(&palmz72_resume_info); | |
418 | ||
419 | return 0; | |
420 | } | |
421 | ||
422 | static int palmz72_pm_resume(struct sys_device *dev) | |
423 | { | |
424 | *PALMZ72_SAVE_DWORD = store_ptr; | |
425 | return 0; | |
426 | } | |
427 | ||
428 | static struct sysdev_class palmz72_pm_sysclass = { | |
429 | .name = "palmz72_pm", | |
430 | .suspend = palmz72_pm_suspend, | |
431 | .resume = palmz72_pm_resume, | |
432 | }; | |
433 | ||
434 | static struct sys_device palmz72_pm_device = { | |
435 | .cls = &palmz72_pm_sysclass, | |
436 | }; | |
437 | ||
438 | static int __init palmz72_pm_init(void) | |
439 | { | |
440 | int ret = -ENODEV; | |
441 | if (machine_is_palmz72()) { | |
442 | ret = sysdev_class_register(&palmz72_pm_sysclass); | |
443 | if (ret == 0) | |
444 | ret = sysdev_register(&palmz72_pm_device); | |
445 | } | |
446 | return ret; | |
447 | } | |
448 | ||
449 | device_initcall(palmz72_pm_init); | |
450 | #endif | |
451 | ||
c49e1e63 SL |
452 | /****************************************************************************** |
453 | * Machine init | |
454 | ******************************************************************************/ | |
455 | static struct platform_device *devices[] __initdata = { | |
456 | &palmz72_backlight, | |
457 | &palmz72_leds, | |
eb73e622 | 458 | &palmz72_asoc, |
c49e1e63 | 459 | &power_supply, |
eb73e622 | 460 | &palmz72_gpio_vbus, |
c49e1e63 SL |
461 | }; |
462 | ||
eb73e622 MV |
463 | /* setup udc GPIOs initial state */ |
464 | static void __init palmz72_udc_init(void) | |
465 | { | |
466 | if (!gpio_request(GPIO_NR_PALMZ72_USB_PULLUP, "USB Pullup")) { | |
467 | gpio_direction_output(GPIO_NR_PALMZ72_USB_PULLUP, 0); | |
468 | gpio_free(GPIO_NR_PALMZ72_USB_PULLUP); | |
469 | } | |
470 | } | |
471 | ||
c49e1e63 SL |
472 | static void __init palmz72_init(void) |
473 | { | |
474 | pxa2xx_mfp_config(ARRAY_AND_SIZE(palmz72_pin_config)); | |
eb73e622 | 475 | |
cc155c6f RK |
476 | pxa_set_ffuart_info(NULL); |
477 | pxa_set_btuart_info(NULL); | |
478 | pxa_set_stuart_info(NULL); | |
479 | ||
c49e1e63 SL |
480 | set_pxa_fb_info(&palmz72_lcd_screen); |
481 | pxa_set_mci_info(&palmz72_mci_platform_data); | |
eb73e622 | 482 | palmz72_udc_init(); |
c49e1e63 SL |
483 | pxa_set_ac97_info(NULL); |
484 | pxa_set_ficp_info(&palmz72_ficp_platform_data); | |
485 | pxa_set_keypad_info(&palmz72_keypad_platform_data); | |
eb73e622 MV |
486 | wm97xx_bat_set_pdata(&wm97xx_batt_pdata); |
487 | ||
c49e1e63 SL |
488 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
489 | } | |
490 | ||
491 | MACHINE_START(PALMZ72, "Palm Zire72") | |
492 | .phys_io = 0x40000000, | |
493 | .io_pg_offst = io_p2v(0x40000000), | |
494 | .boot_params = 0xa0000100, | |
495 | .map_io = pxa_map_io, | |
496 | .init_irq = pxa27x_init_irq, | |
497 | .timer = &pxa_timer, | |
498 | .init_machine = palmz72_init | |
499 | MACHINE_END |