Merge branch 'for-linus' of git://repo.or.cz/cris-mirror
[kernel.git] / arch / arm / mach-pxa / palmld.c
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>
27 #include <linux/sysdev.h>
28
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
32
33 #include <mach/pxa27x.h>
34 #include <mach/audio.h>
35 #include <mach/palmld.h>
36 #include <mach/mmc.h>
37 #include <mach/pxafb.h>
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,
65
66         /* IrDA */
67         GPIO108_GPIO,   /* ir disable */
68         GPIO46_FICP_RXD,
69         GPIO47_FICP_TXD,
70
71         /* MATRIX KEYPAD */
72         GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
73         GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
74         GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
75         GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
76         GPIO103_KP_MKOUT_0,
77         GPIO104_KP_MKOUT_1,
78         GPIO105_KP_MKOUT_2,
79
80         /* LCD */
81         GPIO58_LCD_LDD_0,
82         GPIO59_LCD_LDD_1,
83         GPIO60_LCD_LDD_2,
84         GPIO61_LCD_LDD_3,
85         GPIO62_LCD_LDD_4,
86         GPIO63_LCD_LDD_5,
87         GPIO64_LCD_LDD_6,
88         GPIO65_LCD_LDD_7,
89         GPIO66_LCD_LDD_8,
90         GPIO67_LCD_LDD_9,
91         GPIO68_LCD_LDD_10,
92         GPIO69_LCD_LDD_11,
93         GPIO70_LCD_LDD_12,
94         GPIO71_LCD_LDD_13,
95         GPIO72_LCD_LDD_14,
96         GPIO73_LCD_LDD_15,
97         GPIO74_LCD_FCLK,
98         GPIO75_LCD_LCLK,
99         GPIO76_LCD_PCLK,
100         GPIO77_LCD_BIAS,
101
102         /* PWM */
103         GPIO16_PWM0_OUT,
104
105         /* GPIO KEYS */
106         GPIO10_GPIO,    /* hotsync button */
107         GPIO12_GPIO,    /* power switch */
108         GPIO15_GPIO,    /* lock switch */
109
110         /* LEDs */
111         GPIO52_GPIO,    /* green led */
112         GPIO94_GPIO,    /* orange led */
113
114         /* PCMCIA */
115         GPIO48_nPOE,
116         GPIO49_nPWE,
117         GPIO50_nPIOR,
118         GPIO51_nPIOW,
119         GPIO85_nPCE_1,
120         GPIO54_nPCE_2,
121         GPIO79_PSKTSEL,
122         GPIO55_nPREG,
123         GPIO56_nPWAIT,
124         GPIO57_nIOIS16,
125         GPIO36_GPIO,    /* wifi power */
126         GPIO38_GPIO,    /* wifi ready */
127         GPIO81_GPIO,    /* wifi reset */
128
129         /* HDD */
130         GPIO95_GPIO,    /* HDD irq */
131         GPIO115_GPIO,   /* HDD power */
132
133         /* MISC */
134         GPIO13_GPIO,    /* earphone detect */
135 };
136
137 /******************************************************************************
138  * SD/MMC card controller
139  ******************************************************************************/
140 static int palmld_mci_init(struct device *dev, irq_handler_t palmld_detect_int,
141                                 void *data)
142 {
143         int err = 0;
144
145         /* Setup an interrupt for detecting card insert/remove events */
146         err = gpio_request(GPIO_NR_PALMLD_SD_DETECT_N, "SD IRQ");
147         if (err)
148                 goto err;
149         err = gpio_direction_input(GPIO_NR_PALMLD_SD_DETECT_N);
150         if (err)
151                 goto err2;
152         err = request_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N),
153                         palmld_detect_int, IRQF_DISABLED | IRQF_SAMPLE_RANDOM |
154                         IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
155                         "SD/MMC card detect", data);
156         if (err) {
157                 printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n",
158                                 __func__);
159                 goto err2;
160         }
161
162         err = gpio_request(GPIO_NR_PALMLD_SD_POWER, "SD_POWER");
163         if (err)
164                 goto err3;
165         err = gpio_direction_output(GPIO_NR_PALMLD_SD_POWER, 0);
166         if (err)
167                 goto err4;
168
169         err = gpio_request(GPIO_NR_PALMLD_SD_READONLY, "SD_READONLY");
170         if (err)
171                 goto err4;
172         err = gpio_direction_input(GPIO_NR_PALMLD_SD_READONLY);
173         if (err)
174                 goto err5;
175
176         printk(KERN_DEBUG "%s: irq registered\n", __func__);
177
178         return 0;
179
180 err5:
181         gpio_free(GPIO_NR_PALMLD_SD_READONLY);
182 err4:
183         gpio_free(GPIO_NR_PALMLD_SD_POWER);
184 err3:
185         free_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N), data);
186 err2:
187         gpio_free(GPIO_NR_PALMLD_SD_DETECT_N);
188 err:
189         return err;
190 }
191
192 static void palmld_mci_exit(struct device *dev, void *data)
193 {
194         gpio_free(GPIO_NR_PALMLD_SD_READONLY);
195         gpio_free(GPIO_NR_PALMLD_SD_POWER);
196         free_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N), data);
197         gpio_free(GPIO_NR_PALMLD_SD_DETECT_N);
198 }
199
200 static void palmld_mci_power(struct device *dev, unsigned int vdd)
201 {
202         struct pxamci_platform_data *p_d = dev->platform_data;
203         gpio_set_value(GPIO_NR_PALMLD_SD_POWER, p_d->ocr_mask & (1 << vdd));
204 }
205
206 static int palmld_mci_get_ro(struct device *dev)
207 {
208         return gpio_get_value(GPIO_NR_PALMLD_SD_READONLY);
209 }
210
211 static struct pxamci_platform_data palmld_mci_platform_data = {
212         .ocr_mask       = MMC_VDD_32_33 | MMC_VDD_33_34,
213         .setpower       = palmld_mci_power,
214         .get_ro         = palmld_mci_get_ro,
215         .init           = palmld_mci_init,
216         .exit           = palmld_mci_exit,
217 };
218
219 /******************************************************************************
220  * GPIO keyboard
221  ******************************************************************************/
222 static unsigned int palmld_matrix_keys[] = {
223         KEY(0, 1, KEY_F2),
224         KEY(0, 2, KEY_UP),
225
226         KEY(1, 0, KEY_F3),
227         KEY(1, 1, KEY_F4),
228         KEY(1, 2, KEY_RIGHT),
229
230         KEY(2, 0, KEY_F1),
231         KEY(2, 1, KEY_F5),
232         KEY(2, 2, KEY_DOWN),
233
234         KEY(3, 0, KEY_F6),
235         KEY(3, 1, KEY_ENTER),
236         KEY(3, 2, KEY_LEFT),
237 };
238
239 static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
240         .matrix_key_rows        = 4,
241         .matrix_key_cols        = 3,
242         .matrix_key_map         = palmld_matrix_keys,
243         .matrix_key_map_size    = ARRAY_SIZE(palmld_matrix_keys),
244
245         .debounce_interval      = 30,
246 };
247
248 /******************************************************************************
249  * GPIO keys
250  ******************************************************************************/
251 static struct gpio_keys_button palmld_pxa_buttons[] = {
252         {KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
253         {KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" },
254         {KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" },
255 };
256
257 static struct gpio_keys_platform_data palmld_pxa_keys_data = {
258         .buttons        = palmld_pxa_buttons,
259         .nbuttons       = ARRAY_SIZE(palmld_pxa_buttons),
260 };
261
262 static struct platform_device palmld_pxa_keys = {
263         .name   = "gpio-keys",
264         .id     = -1,
265         .dev    = {
266                 .platform_data = &palmld_pxa_keys_data,
267         },
268 };
269
270 /******************************************************************************
271  * Backlight
272  ******************************************************************************/
273 static int palmld_backlight_init(struct device *dev)
274 {
275         int ret;
276
277         ret = gpio_request(GPIO_NR_PALMLD_BL_POWER, "BL POWER");
278         if (ret)
279                 goto err;
280         ret = gpio_direction_output(GPIO_NR_PALMLD_BL_POWER, 0);
281         if (ret)
282                 goto err2;
283         ret = gpio_request(GPIO_NR_PALMLD_LCD_POWER, "LCD POWER");
284         if (ret)
285                 goto err2;
286         ret = gpio_direction_output(GPIO_NR_PALMLD_LCD_POWER, 0);
287         if (ret)
288                 goto err3;
289
290         return 0;
291 err3:
292         gpio_free(GPIO_NR_PALMLD_LCD_POWER);
293 err2:
294         gpio_free(GPIO_NR_PALMLD_BL_POWER);
295 err:
296         return ret;
297 }
298
299 static int palmld_backlight_notify(int brightness)
300 {
301         gpio_set_value(GPIO_NR_PALMLD_BL_POWER, brightness);
302         gpio_set_value(GPIO_NR_PALMLD_LCD_POWER, brightness);
303         return brightness;
304 }
305
306 static void palmld_backlight_exit(struct device *dev)
307 {
308         gpio_free(GPIO_NR_PALMLD_BL_POWER);
309         gpio_free(GPIO_NR_PALMLD_LCD_POWER);
310 }
311
312 static struct platform_pwm_backlight_data palmld_backlight_data = {
313         .pwm_id         = 0,
314         .max_brightness = PALMLD_MAX_INTENSITY,
315         .dft_brightness = PALMLD_MAX_INTENSITY,
316         .pwm_period_ns  = PALMLD_PERIOD_NS,
317         .init           = palmld_backlight_init,
318         .notify         = palmld_backlight_notify,
319         .exit           = palmld_backlight_exit,
320 };
321
322 static struct platform_device palmld_backlight = {
323         .name   = "pwm-backlight",
324         .dev    = {
325                 .parent         = &pxa27x_device_pwm0.dev,
326                 .platform_data  = &palmld_backlight_data,
327         },
328 };
329
330 /******************************************************************************
331  * IrDA
332  ******************************************************************************/
333 static int palmld_irda_startup(struct device *dev)
334 {
335         int err;
336         err = gpio_request(GPIO_NR_PALMLD_IR_DISABLE, "IR DISABLE");
337         if (err)
338                 goto err;
339         err = gpio_direction_output(GPIO_NR_PALMLD_IR_DISABLE, 1);
340         if (err)
341                 gpio_free(GPIO_NR_PALMLD_IR_DISABLE);
342 err:
343         return err;
344 }
345
346 static void palmld_irda_shutdown(struct device *dev)
347 {
348         gpio_free(GPIO_NR_PALMLD_IR_DISABLE);
349 }
350
351 static void palmld_irda_transceiver_mode(struct device *dev, int mode)
352 {
353         gpio_set_value(GPIO_NR_PALMLD_IR_DISABLE, mode & IR_OFF);
354         pxa2xx_transceiver_mode(dev, mode);
355 }
356
357 static struct pxaficp_platform_data palmld_ficp_platform_data = {
358         .startup                = palmld_irda_startup,
359         .shutdown               = palmld_irda_shutdown,
360         .transceiver_cap        = IR_SIRMODE | IR_FIRMODE | IR_OFF,
361         .transceiver_mode       = palmld_irda_transceiver_mode,
362 };
363
364 /******************************************************************************
365  * LEDs
366  ******************************************************************************/
367 struct gpio_led gpio_leds[] = {
368 {
369         .name                   = "palmld:green:led",
370         .default_trigger        = "none",
371         .gpio                   = GPIO_NR_PALMLD_LED_GREEN,
372 }, {
373         .name                   = "palmld:amber:led",
374         .default_trigger        = "none",
375         .gpio                   = GPIO_NR_PALMLD_LED_AMBER,
376 },
377 };
378
379 static struct gpio_led_platform_data gpio_led_info = {
380         .leds           = gpio_leds,
381         .num_leds       = ARRAY_SIZE(gpio_leds),
382 };
383
384 static struct platform_device palmld_leds = {
385         .name   = "leds-gpio",
386         .id     = -1,
387         .dev    = {
388                 .platform_data  = &gpio_led_info,
389         }
390 };
391
392 /******************************************************************************
393  * Power supply
394  ******************************************************************************/
395 static int power_supply_init(struct device *dev)
396 {
397         int ret;
398
399         ret = gpio_request(GPIO_NR_PALMLD_POWER_DETECT, "CABLE_STATE_AC");
400         if (ret)
401                 goto err1;
402         ret = gpio_direction_input(GPIO_NR_PALMLD_POWER_DETECT);
403         if (ret)
404                 goto err2;
405
406         ret = gpio_request(GPIO_NR_PALMLD_USB_DETECT_N, "CABLE_STATE_USB");
407         if (ret)
408                 goto err2;
409         ret = gpio_direction_input(GPIO_NR_PALMLD_USB_DETECT_N);
410         if (ret)
411                 goto err3;
412
413         return 0;
414
415 err3:
416         gpio_free(GPIO_NR_PALMLD_USB_DETECT_N);
417 err2:
418         gpio_free(GPIO_NR_PALMLD_POWER_DETECT);
419 err1:
420         return ret;
421 }
422
423 static int palmld_is_ac_online(void)
424 {
425         return gpio_get_value(GPIO_NR_PALMLD_POWER_DETECT);
426 }
427
428 static int palmld_is_usb_online(void)
429 {
430         return !gpio_get_value(GPIO_NR_PALMLD_USB_DETECT_N);
431 }
432
433 static void power_supply_exit(struct device *dev)
434 {
435         gpio_free(GPIO_NR_PALMLD_USB_DETECT_N);
436         gpio_free(GPIO_NR_PALMLD_POWER_DETECT);
437 }
438
439 static char *palmld_supplicants[] = {
440         "main-battery",
441 };
442
443 static struct pda_power_pdata power_supply_info = {
444         .init            = power_supply_init,
445         .is_ac_online    = palmld_is_ac_online,
446         .is_usb_online   = palmld_is_usb_online,
447         .exit            = power_supply_exit,
448         .supplied_to     = palmld_supplicants,
449         .num_supplicants = ARRAY_SIZE(palmld_supplicants),
450 };
451
452 static struct platform_device power_supply = {
453         .name = "pda-power",
454         .id   = -1,
455         .dev  = {
456                 .platform_data = &power_supply_info,
457         },
458 };
459
460 /******************************************************************************
461  * WM97xx battery
462  ******************************************************************************/
463 static struct wm97xx_batt_info wm97xx_batt_pdata = {
464         .batt_aux       = WM97XX_AUX_ID3,
465         .temp_aux       = WM97XX_AUX_ID2,
466         .charge_gpio    = -1,
467         .max_voltage    = PALMLD_BAT_MAX_VOLTAGE,
468         .min_voltage    = PALMLD_BAT_MIN_VOLTAGE,
469         .batt_mult      = 1000,
470         .batt_div       = 414,
471         .temp_mult      = 1,
472         .temp_div       = 1,
473         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LIPO,
474         .batt_name      = "main-batt",
475 };
476
477 /******************************************************************************
478  * aSoC audio
479  ******************************************************************************/
480 static struct palm27x_asoc_info palmld_asoc_pdata = {
481         .jack_gpio      = GPIO_NR_PALMLD_EARPHONE_DETECT,
482 };
483
484 static pxa2xx_audio_ops_t palmld_ac97_pdata = {
485         .reset_gpio     = 95,
486 };
487
488 static struct platform_device palmld_asoc = {
489         .name = "palm27x-asoc",
490         .id   = -1,
491         .dev  = {
492                 .platform_data = &palmld_asoc_pdata,
493         },
494 };
495
496 /******************************************************************************
497  * Framebuffer
498  ******************************************************************************/
499 static struct pxafb_mode_info palmld_lcd_modes[] = {
500 {
501         .pixclock       = 57692,
502         .xres           = 320,
503         .yres           = 480,
504         .bpp            = 16,
505
506         .left_margin    = 32,
507         .right_margin   = 1,
508         .upper_margin   = 7,
509         .lower_margin   = 1,
510
511         .hsync_len      = 4,
512         .vsync_len      = 1,
513 },
514 };
515
516 static struct pxafb_mach_info palmld_lcd_screen = {
517         .modes          = palmld_lcd_modes,
518         .num_modes      = ARRAY_SIZE(palmld_lcd_modes),
519         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
520 };
521
522 /******************************************************************************
523  * Power management - standby
524  ******************************************************************************/
525 #ifdef CONFIG_PM
526 static u32 *addr __initdata;
527 static u32 resume[3] __initdata = {
528         0xe3a00101,     /* mov  r0,     #0x40000000 */
529         0xe380060f,     /* orr  r0, r0, #0x00f00000 */
530         0xe590f008,     /* ldr  pc, [r0, #0x08] */
531 };
532
533 static int __init palmld_pm_init(void)
534 {
535         int i;
536
537         /* this is where the bootloader jumps */
538         addr = phys_to_virt(PALMLD_STR_BASE);
539
540         for (i = 0; i < 3; i++)
541                 addr[i] = resume[i];
542
543         return 0;
544 }
545
546 device_initcall(palmld_pm_init);
547 #endif
548
549 /******************************************************************************
550  * Machine init
551  ******************************************************************************/
552 static struct platform_device *devices[] __initdata = {
553 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
554         &palmld_pxa_keys,
555 #endif
556         &palmld_backlight,
557         &palmld_leds,
558         &power_supply,
559         &palmld_asoc,
560 };
561
562 static struct map_desc palmld_io_desc[] __initdata = {
563 {
564         .virtual        = PALMLD_IDE_VIRT,
565         .pfn            = __phys_to_pfn(PALMLD_IDE_PHYS),
566         .length         = PALMLD_IDE_SIZE,
567         .type           = MT_DEVICE
568 },
569 {
570         .virtual        = PALMLD_USB_VIRT,
571         .pfn            = __phys_to_pfn(PALMLD_USB_PHYS),
572         .length         = PALMLD_USB_SIZE,
573         .type           = MT_DEVICE
574 },
575 };
576
577 static void __init palmld_map_io(void)
578 {
579         pxa_map_io();
580         iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
581 }
582
583 static void __init palmld_init(void)
584 {
585         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
586
587         set_pxa_fb_info(&palmld_lcd_screen);
588         pxa_set_mci_info(&palmld_mci_platform_data);
589         pxa_set_ac97_info(&palmld_ac97_pdata);
590         pxa_set_ficp_info(&palmld_ficp_platform_data);
591         pxa_set_keypad_info(&palmld_keypad_platform_data);
592         wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
593
594         platform_add_devices(devices, ARRAY_SIZE(devices));
595 }
596
597 MACHINE_START(PALMLD, "Palm LifeDrive")
598         .phys_io        = PALMLD_PHYS_IO_START,
599         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
600         .boot_params    = 0xa0000100,
601         .map_io         = palmld_map_io,
602         .init_irq       = pxa27x_init_irq,
603         .timer          = &pxa_timer,
604         .init_machine   = palmld_init
605 MACHINE_END