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a645072a MV |
1 | /* |
2 | * Hardware definitions for Palm LifeDrive | |
3 | * | |
4 | * Author: Marek Vasut <marek.vasut@gmail.com> | |
5 | * | |
6 | * Based on work of: | |
7 | * Alex Osborne <ato@meshy.org> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License version 2 as | |
11 | * published by the Free Software Foundation. | |
12 | * | |
13 | * (find more info at www.hackndev.com) | |
14 | * | |
15 | */ | |
16 | ||
17 | #include <linux/platform_device.h> | |
18 | #include <linux/delay.h> | |
19 | #include <linux/irq.h> | |
20 | #include <linux/gpio_keys.h> | |
21 | #include <linux/input.h> | |
22 | #include <linux/pda_power.h> | |
23 | #include <linux/pwm_backlight.h> | |
24 | #include <linux/gpio.h> | |
25 | #include <linux/wm97xx_batt.h> | |
26 | #include <linux/power_supply.h> | |
81854f82 | 27 | #include <linux/sysdev.h> |
a645072a MV |
28 | |
29 | #include <asm/mach-types.h> | |
30 | #include <asm/mach/arch.h> | |
31 | #include <asm/mach/map.h> | |
32 | ||
51c62982 | 33 | #include <mach/pxa27x.h> |
a645072a MV |
34 | #include <mach/audio.h> |
35 | #include <mach/palmld.h> | |
36 | #include <mach/mmc.h> | |
37 | #include <mach/pxafb.h> | |
a645072a MV |
38 | #include <mach/irda.h> |
39 | #include <mach/pxa27x_keypad.h> | |
40 | #include <mach/palmasoc.h> | |
41 | ||
42 | #include "generic.h" | |
43 | #include "devices.h" | |
44 | ||
45 | /****************************************************************************** | |
46 | * Pin configuration | |
47 | ******************************************************************************/ | |
48 | static unsigned long palmld_pin_config[] __initdata = { | |
49 | /* MMC */ | |
50 | GPIO32_MMC_CLK, | |
51 | GPIO92_MMC_DAT_0, | |
52 | GPIO109_MMC_DAT_1, | |
53 | GPIO110_MMC_DAT_2, | |
54 | GPIO111_MMC_DAT_3, | |
55 | GPIO112_MMC_CMD, | |
56 | GPIO14_GPIO, /* SD detect */ | |
57 | GPIO114_GPIO, /* SD power */ | |
58 | GPIO116_GPIO, /* SD r/o switch */ | |
59 | ||
60 | /* AC97 */ | |
61 | GPIO28_AC97_BITCLK, | |
62 | GPIO29_AC97_SDATA_IN_0, | |
63 | GPIO30_AC97_SDATA_OUT, | |
64 | GPIO31_AC97_SYNC, | |
6ec04f43 MV |
65 | GPIO89_AC97_SYSCLK, |
66 | GPIO95_AC97_nRESET, | |
a645072a MV |
67 | |
68 | /* IrDA */ | |
69 | GPIO108_GPIO, /* ir disable */ | |
70 | GPIO46_FICP_RXD, | |
71 | GPIO47_FICP_TXD, | |
72 | ||
73 | /* MATRIX KEYPAD */ | |
81854f82 MV |
74 | GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH, |
75 | GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH, | |
76 | GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH, | |
77 | GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH, | |
a645072a MV |
78 | GPIO103_KP_MKOUT_0, |
79 | GPIO104_KP_MKOUT_1, | |
80 | GPIO105_KP_MKOUT_2, | |
81 | ||
82 | /* LCD */ | |
83 | GPIO58_LCD_LDD_0, | |
84 | GPIO59_LCD_LDD_1, | |
85 | GPIO60_LCD_LDD_2, | |
86 | GPIO61_LCD_LDD_3, | |
87 | GPIO62_LCD_LDD_4, | |
88 | GPIO63_LCD_LDD_5, | |
89 | GPIO64_LCD_LDD_6, | |
90 | GPIO65_LCD_LDD_7, | |
91 | GPIO66_LCD_LDD_8, | |
92 | GPIO67_LCD_LDD_9, | |
93 | GPIO68_LCD_LDD_10, | |
94 | GPIO69_LCD_LDD_11, | |
95 | GPIO70_LCD_LDD_12, | |
96 | GPIO71_LCD_LDD_13, | |
97 | GPIO72_LCD_LDD_14, | |
98 | GPIO73_LCD_LDD_15, | |
99 | GPIO74_LCD_FCLK, | |
100 | GPIO75_LCD_LCLK, | |
101 | GPIO76_LCD_PCLK, | |
102 | GPIO77_LCD_BIAS, | |
103 | ||
104 | /* PWM */ | |
105 | GPIO16_PWM0_OUT, | |
106 | ||
107 | /* GPIO KEYS */ | |
108 | GPIO10_GPIO, /* hotsync button */ | |
109 | GPIO12_GPIO, /* power switch */ | |
110 | GPIO15_GPIO, /* lock switch */ | |
111 | ||
112 | /* LEDs */ | |
113 | GPIO52_GPIO, /* green led */ | |
114 | GPIO94_GPIO, /* orange led */ | |
115 | ||
116 | /* PCMCIA */ | |
117 | GPIO48_nPOE, | |
118 | GPIO49_nPWE, | |
119 | GPIO50_nPIOR, | |
120 | GPIO51_nPIOW, | |
121 | GPIO85_nPCE_1, | |
122 | GPIO54_nPCE_2, | |
123 | GPIO79_PSKTSEL, | |
124 | GPIO55_nPREG, | |
125 | GPIO56_nPWAIT, | |
126 | GPIO57_nIOIS16, | |
127 | GPIO36_GPIO, /* wifi power */ | |
128 | GPIO38_GPIO, /* wifi ready */ | |
129 | GPIO81_GPIO, /* wifi reset */ | |
130 | ||
ecf763c5 MV |
131 | /* FFUART */ |
132 | GPIO34_FFUART_RXD, | |
133 | GPIO39_FFUART_TXD, | |
134 | ||
a645072a | 135 | /* HDD */ |
5a9d2515 | 136 | GPIO98_GPIO, /* HDD reset */ |
a645072a MV |
137 | GPIO115_GPIO, /* HDD power */ |
138 | ||
139 | /* MISC */ | |
140 | GPIO13_GPIO, /* earphone detect */ | |
141 | }; | |
142 | ||
143 | /****************************************************************************** | |
144 | * SD/MMC card controller | |
145 | ******************************************************************************/ | |
a645072a | 146 | static struct pxamci_platform_data palmld_mci_platform_data = { |
7a648256 RJ |
147 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
148 | .gpio_card_detect = GPIO_NR_PALMLD_SD_DETECT_N, | |
149 | .gpio_card_ro = GPIO_NR_PALMLD_SD_READONLY, | |
150 | .gpio_power = GPIO_NR_PALMLD_SD_POWER, | |
9845b6b1 | 151 | .detect_delay = 20, |
a645072a MV |
152 | }; |
153 | ||
154 | /****************************************************************************** | |
155 | * GPIO keyboard | |
156 | ******************************************************************************/ | |
157 | static unsigned int palmld_matrix_keys[] = { | |
158 | KEY(0, 1, KEY_F2), | |
159 | KEY(0, 2, KEY_UP), | |
160 | ||
161 | KEY(1, 0, KEY_F3), | |
162 | KEY(1, 1, KEY_F4), | |
163 | KEY(1, 2, KEY_RIGHT), | |
164 | ||
165 | KEY(2, 0, KEY_F1), | |
166 | KEY(2, 1, KEY_F5), | |
167 | KEY(2, 2, KEY_DOWN), | |
168 | ||
169 | KEY(3, 0, KEY_F6), | |
170 | KEY(3, 1, KEY_ENTER), | |
171 | KEY(3, 2, KEY_LEFT), | |
172 | }; | |
173 | ||
174 | static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = { | |
175 | .matrix_key_rows = 4, | |
176 | .matrix_key_cols = 3, | |
177 | .matrix_key_map = palmld_matrix_keys, | |
178 | .matrix_key_map_size = ARRAY_SIZE(palmld_matrix_keys), | |
179 | ||
180 | .debounce_interval = 30, | |
181 | }; | |
182 | ||
183 | /****************************************************************************** | |
184 | * GPIO keys | |
185 | ******************************************************************************/ | |
186 | static struct gpio_keys_button palmld_pxa_buttons[] = { | |
187 | {KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" }, | |
188 | {KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" }, | |
189 | {KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" }, | |
190 | }; | |
191 | ||
192 | static struct gpio_keys_platform_data palmld_pxa_keys_data = { | |
193 | .buttons = palmld_pxa_buttons, | |
194 | .nbuttons = ARRAY_SIZE(palmld_pxa_buttons), | |
195 | }; | |
196 | ||
197 | static struct platform_device palmld_pxa_keys = { | |
198 | .name = "gpio-keys", | |
199 | .id = -1, | |
200 | .dev = { | |
201 | .platform_data = &palmld_pxa_keys_data, | |
202 | }, | |
203 | }; | |
204 | ||
205 | /****************************************************************************** | |
206 | * Backlight | |
207 | ******************************************************************************/ | |
208 | static int palmld_backlight_init(struct device *dev) | |
209 | { | |
210 | int ret; | |
211 | ||
212 | ret = gpio_request(GPIO_NR_PALMLD_BL_POWER, "BL POWER"); | |
213 | if (ret) | |
214 | goto err; | |
215 | ret = gpio_direction_output(GPIO_NR_PALMLD_BL_POWER, 0); | |
216 | if (ret) | |
217 | goto err2; | |
218 | ret = gpio_request(GPIO_NR_PALMLD_LCD_POWER, "LCD POWER"); | |
219 | if (ret) | |
220 | goto err2; | |
221 | ret = gpio_direction_output(GPIO_NR_PALMLD_LCD_POWER, 0); | |
222 | if (ret) | |
223 | goto err3; | |
224 | ||
225 | return 0; | |
226 | err3: | |
227 | gpio_free(GPIO_NR_PALMLD_LCD_POWER); | |
228 | err2: | |
229 | gpio_free(GPIO_NR_PALMLD_BL_POWER); | |
230 | err: | |
231 | return ret; | |
232 | } | |
233 | ||
234 | static int palmld_backlight_notify(int brightness) | |
235 | { | |
236 | gpio_set_value(GPIO_NR_PALMLD_BL_POWER, brightness); | |
237 | gpio_set_value(GPIO_NR_PALMLD_LCD_POWER, brightness); | |
238 | return brightness; | |
239 | } | |
240 | ||
241 | static void palmld_backlight_exit(struct device *dev) | |
242 | { | |
243 | gpio_free(GPIO_NR_PALMLD_BL_POWER); | |
244 | gpio_free(GPIO_NR_PALMLD_LCD_POWER); | |
245 | } | |
246 | ||
247 | static struct platform_pwm_backlight_data palmld_backlight_data = { | |
248 | .pwm_id = 0, | |
249 | .max_brightness = PALMLD_MAX_INTENSITY, | |
250 | .dft_brightness = PALMLD_MAX_INTENSITY, | |
251 | .pwm_period_ns = PALMLD_PERIOD_NS, | |
252 | .init = palmld_backlight_init, | |
253 | .notify = palmld_backlight_notify, | |
254 | .exit = palmld_backlight_exit, | |
255 | }; | |
256 | ||
257 | static struct platform_device palmld_backlight = { | |
258 | .name = "pwm-backlight", | |
259 | .dev = { | |
260 | .parent = &pxa27x_device_pwm0.dev, | |
261 | .platform_data = &palmld_backlight_data, | |
262 | }, | |
263 | }; | |
264 | ||
265 | /****************************************************************************** | |
266 | * IrDA | |
267 | ******************************************************************************/ | |
268 | static int palmld_irda_startup(struct device *dev) | |
269 | { | |
270 | int err; | |
271 | err = gpio_request(GPIO_NR_PALMLD_IR_DISABLE, "IR DISABLE"); | |
272 | if (err) | |
273 | goto err; | |
274 | err = gpio_direction_output(GPIO_NR_PALMLD_IR_DISABLE, 1); | |
275 | if (err) | |
276 | gpio_free(GPIO_NR_PALMLD_IR_DISABLE); | |
277 | err: | |
278 | return err; | |
279 | } | |
280 | ||
281 | static void palmld_irda_shutdown(struct device *dev) | |
282 | { | |
283 | gpio_free(GPIO_NR_PALMLD_IR_DISABLE); | |
284 | } | |
285 | ||
286 | static void palmld_irda_transceiver_mode(struct device *dev, int mode) | |
287 | { | |
288 | gpio_set_value(GPIO_NR_PALMLD_IR_DISABLE, mode & IR_OFF); | |
289 | pxa2xx_transceiver_mode(dev, mode); | |
290 | } | |
291 | ||
292 | static struct pxaficp_platform_data palmld_ficp_platform_data = { | |
293 | .startup = palmld_irda_startup, | |
294 | .shutdown = palmld_irda_shutdown, | |
295 | .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF, | |
296 | .transceiver_mode = palmld_irda_transceiver_mode, | |
297 | }; | |
298 | ||
299 | /****************************************************************************** | |
300 | * LEDs | |
301 | ******************************************************************************/ | |
302 | struct gpio_led gpio_leds[] = { | |
303 | { | |
304 | .name = "palmld:green:led", | |
305 | .default_trigger = "none", | |
306 | .gpio = GPIO_NR_PALMLD_LED_GREEN, | |
307 | }, { | |
308 | .name = "palmld:amber:led", | |
309 | .default_trigger = "none", | |
310 | .gpio = GPIO_NR_PALMLD_LED_AMBER, | |
311 | }, | |
312 | }; | |
313 | ||
314 | static struct gpio_led_platform_data gpio_led_info = { | |
315 | .leds = gpio_leds, | |
316 | .num_leds = ARRAY_SIZE(gpio_leds), | |
317 | }; | |
318 | ||
319 | static struct platform_device palmld_leds = { | |
320 | .name = "leds-gpio", | |
321 | .id = -1, | |
322 | .dev = { | |
323 | .platform_data = &gpio_led_info, | |
324 | } | |
325 | }; | |
326 | ||
327 | /****************************************************************************** | |
328 | * Power supply | |
329 | ******************************************************************************/ | |
330 | static int power_supply_init(struct device *dev) | |
331 | { | |
332 | int ret; | |
333 | ||
334 | ret = gpio_request(GPIO_NR_PALMLD_POWER_DETECT, "CABLE_STATE_AC"); | |
335 | if (ret) | |
336 | goto err1; | |
337 | ret = gpio_direction_input(GPIO_NR_PALMLD_POWER_DETECT); | |
338 | if (ret) | |
339 | goto err2; | |
340 | ||
341 | ret = gpio_request(GPIO_NR_PALMLD_USB_DETECT_N, "CABLE_STATE_USB"); | |
342 | if (ret) | |
343 | goto err2; | |
344 | ret = gpio_direction_input(GPIO_NR_PALMLD_USB_DETECT_N); | |
345 | if (ret) | |
346 | goto err3; | |
347 | ||
348 | return 0; | |
349 | ||
350 | err3: | |
351 | gpio_free(GPIO_NR_PALMLD_USB_DETECT_N); | |
352 | err2: | |
353 | gpio_free(GPIO_NR_PALMLD_POWER_DETECT); | |
354 | err1: | |
355 | return ret; | |
356 | } | |
357 | ||
358 | static int palmld_is_ac_online(void) | |
359 | { | |
360 | return gpio_get_value(GPIO_NR_PALMLD_POWER_DETECT); | |
361 | } | |
362 | ||
363 | static int palmld_is_usb_online(void) | |
364 | { | |
365 | return !gpio_get_value(GPIO_NR_PALMLD_USB_DETECT_N); | |
366 | } | |
367 | ||
368 | static void power_supply_exit(struct device *dev) | |
369 | { | |
370 | gpio_free(GPIO_NR_PALMLD_USB_DETECT_N); | |
371 | gpio_free(GPIO_NR_PALMLD_POWER_DETECT); | |
372 | } | |
373 | ||
374 | static char *palmld_supplicants[] = { | |
375 | "main-battery", | |
376 | }; | |
377 | ||
378 | static struct pda_power_pdata power_supply_info = { | |
379 | .init = power_supply_init, | |
380 | .is_ac_online = palmld_is_ac_online, | |
381 | .is_usb_online = palmld_is_usb_online, | |
382 | .exit = power_supply_exit, | |
383 | .supplied_to = palmld_supplicants, | |
384 | .num_supplicants = ARRAY_SIZE(palmld_supplicants), | |
385 | }; | |
386 | ||
387 | static struct platform_device power_supply = { | |
388 | .name = "pda-power", | |
389 | .id = -1, | |
390 | .dev = { | |
391 | .platform_data = &power_supply_info, | |
392 | }, | |
393 | }; | |
394 | ||
395 | /****************************************************************************** | |
396 | * WM97xx battery | |
397 | ******************************************************************************/ | |
398 | static struct wm97xx_batt_info wm97xx_batt_pdata = { | |
399 | .batt_aux = WM97XX_AUX_ID3, | |
400 | .temp_aux = WM97XX_AUX_ID2, | |
401 | .charge_gpio = -1, | |
402 | .max_voltage = PALMLD_BAT_MAX_VOLTAGE, | |
403 | .min_voltage = PALMLD_BAT_MIN_VOLTAGE, | |
404 | .batt_mult = 1000, | |
405 | .batt_div = 414, | |
406 | .temp_mult = 1, | |
407 | .temp_div = 1, | |
408 | .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO, | |
409 | .batt_name = "main-batt", | |
410 | }; | |
411 | ||
412 | /****************************************************************************** | |
413 | * aSoC audio | |
414 | ******************************************************************************/ | |
e91fb913 | 415 | static struct palm27x_asoc_info palmld_asoc_pdata = { |
a645072a MV |
416 | .jack_gpio = GPIO_NR_PALMLD_EARPHONE_DETECT, |
417 | }; | |
418 | ||
e91fb913 MV |
419 | static pxa2xx_audio_ops_t palmld_ac97_pdata = { |
420 | .reset_gpio = 95, | |
421 | }; | |
422 | ||
423 | static struct platform_device palmld_asoc = { | |
424 | .name = "palm27x-asoc", | |
425 | .id = -1, | |
426 | .dev = { | |
427 | .platform_data = &palmld_asoc_pdata, | |
428 | }, | |
429 | }; | |
430 | ||
5a9d2515 MV |
431 | /****************************************************************************** |
432 | * HDD | |
433 | ******************************************************************************/ | |
434 | static struct platform_device palmld_hdd = { | |
435 | .name = "pata_palmld", | |
436 | .id = -1, | |
437 | }; | |
438 | ||
a645072a MV |
439 | /****************************************************************************** |
440 | * Framebuffer | |
441 | ******************************************************************************/ | |
442 | static struct pxafb_mode_info palmld_lcd_modes[] = { | |
443 | { | |
444 | .pixclock = 57692, | |
445 | .xres = 320, | |
446 | .yres = 480, | |
447 | .bpp = 16, | |
448 | ||
449 | .left_margin = 32, | |
450 | .right_margin = 1, | |
451 | .upper_margin = 7, | |
452 | .lower_margin = 1, | |
453 | ||
454 | .hsync_len = 4, | |
455 | .vsync_len = 1, | |
456 | }, | |
457 | }; | |
458 | ||
459 | static struct pxafb_mach_info palmld_lcd_screen = { | |
460 | .modes = palmld_lcd_modes, | |
461 | .num_modes = ARRAY_SIZE(palmld_lcd_modes), | |
462 | .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, | |
463 | }; | |
464 | ||
81854f82 MV |
465 | /****************************************************************************** |
466 | * Power management - standby | |
467 | ******************************************************************************/ | |
fc9c1b6f | 468 | static void __init palmld_pm_init(void) |
81854f82 | 469 | { |
fc9c1b6f MV |
470 | static u32 resume[] = { |
471 | 0xe3a00101, /* mov r0, #0x40000000 */ | |
472 | 0xe380060f, /* orr r0, r0, #0x00f00000 */ | |
473 | 0xe590f008, /* ldr pc, [r0, #0x08] */ | |
474 | }; | |
475 | ||
476 | /* copy the bootloader */ | |
477 | memcpy(phys_to_virt(PALMLD_STR_BASE), resume, sizeof(resume)); | |
81854f82 MV |
478 | } |
479 | ||
a645072a MV |
480 | /****************************************************************************** |
481 | * Machine init | |
482 | ******************************************************************************/ | |
483 | static struct platform_device *devices[] __initdata = { | |
484 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | |
485 | &palmld_pxa_keys, | |
486 | #endif | |
487 | &palmld_backlight, | |
488 | &palmld_leds, | |
489 | &power_supply, | |
e91fb913 | 490 | &palmld_asoc, |
5a9d2515 | 491 | &palmld_hdd, |
a645072a MV |
492 | }; |
493 | ||
494 | static struct map_desc palmld_io_desc[] __initdata = { | |
495 | { | |
496 | .virtual = PALMLD_IDE_VIRT, | |
497 | .pfn = __phys_to_pfn(PALMLD_IDE_PHYS), | |
498 | .length = PALMLD_IDE_SIZE, | |
499 | .type = MT_DEVICE | |
500 | }, | |
501 | { | |
502 | .virtual = PALMLD_USB_VIRT, | |
503 | .pfn = __phys_to_pfn(PALMLD_USB_PHYS), | |
504 | .length = PALMLD_USB_SIZE, | |
505 | .type = MT_DEVICE | |
506 | }, | |
507 | }; | |
508 | ||
509 | static void __init palmld_map_io(void) | |
510 | { | |
511 | pxa_map_io(); | |
512 | iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc)); | |
513 | } | |
514 | ||
515 | static void __init palmld_init(void) | |
516 | { | |
517 | pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config)); | |
518 | ||
fc9c1b6f | 519 | palmld_pm_init(); |
a645072a MV |
520 | set_pxa_fb_info(&palmld_lcd_screen); |
521 | pxa_set_mci_info(&palmld_mci_platform_data); | |
e91fb913 | 522 | pxa_set_ac97_info(&palmld_ac97_pdata); |
a645072a MV |
523 | pxa_set_ficp_info(&palmld_ficp_platform_data); |
524 | pxa_set_keypad_info(&palmld_keypad_platform_data); | |
525 | wm97xx_bat_set_pdata(&wm97xx_batt_pdata); | |
a645072a MV |
526 | |
527 | platform_add_devices(devices, ARRAY_SIZE(devices)); | |
528 | } | |
529 | ||
530 | MACHINE_START(PALMLD, "Palm LifeDrive") | |
531 | .phys_io = PALMLD_PHYS_IO_START, | |
532 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | |
533 | .boot_params = 0xa0000100, | |
534 | .map_io = palmld_map_io, | |
535 | .init_irq = pxa27x_init_irq, | |
536 | .timer = &pxa_timer, | |
537 | .init_machine = palmld_init | |
538 | MACHINE_END |