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[ARM] pxa/palm: Palm TX, T5, LD suspend-to-mem rework
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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>
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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>
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34#include <mach/audio.h>
35#include <mach/palmld.h>
36#include <mach/mmc.h>
37#include <mach/pxafb.h>
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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 ******************************************************************************/
48static 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,
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65 GPIO89_AC97_SYSCLK,
66 GPIO95_AC97_nRESET,
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67
68 /* IrDA */
69 GPIO108_GPIO, /* ir disable */
70 GPIO46_FICP_RXD,
71 GPIO47_FICP_TXD,
72
73 /* MATRIX KEYPAD */
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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,
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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
131 /* HDD */
132 GPIO95_GPIO, /* HDD irq */
133 GPIO115_GPIO, /* HDD power */
134
135 /* MISC */
136 GPIO13_GPIO, /* earphone detect */
137};
138
139/******************************************************************************
140 * SD/MMC card controller
141 ******************************************************************************/
142static int palmld_mci_init(struct device *dev, irq_handler_t palmld_detect_int,
143 void *data)
144{
145 int err = 0;
146
147 /* Setup an interrupt for detecting card insert/remove events */
148 err = gpio_request(GPIO_NR_PALMLD_SD_DETECT_N, "SD IRQ");
149 if (err)
150 goto err;
151 err = gpio_direction_input(GPIO_NR_PALMLD_SD_DETECT_N);
152 if (err)
153 goto err2;
154 err = request_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N),
155 palmld_detect_int, IRQF_DISABLED | IRQF_SAMPLE_RANDOM |
156 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
157 "SD/MMC card detect", data);
158 if (err) {
159 printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n",
160 __func__);
161 goto err2;
162 }
163
164 err = gpio_request(GPIO_NR_PALMLD_SD_POWER, "SD_POWER");
165 if (err)
166 goto err3;
167 err = gpio_direction_output(GPIO_NR_PALMLD_SD_POWER, 0);
168 if (err)
169 goto err4;
170
171 err = gpio_request(GPIO_NR_PALMLD_SD_READONLY, "SD_READONLY");
172 if (err)
173 goto err4;
174 err = gpio_direction_input(GPIO_NR_PALMLD_SD_READONLY);
175 if (err)
176 goto err5;
177
178 printk(KERN_DEBUG "%s: irq registered\n", __func__);
179
180 return 0;
181
182err5:
183 gpio_free(GPIO_NR_PALMLD_SD_READONLY);
184err4:
185 gpio_free(GPIO_NR_PALMLD_SD_POWER);
186err3:
187 free_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N), data);
188err2:
189 gpio_free(GPIO_NR_PALMLD_SD_DETECT_N);
190err:
191 return err;
192}
193
194static void palmld_mci_exit(struct device *dev, void *data)
195{
196 gpio_free(GPIO_NR_PALMLD_SD_READONLY);
197 gpio_free(GPIO_NR_PALMLD_SD_POWER);
198 free_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N), data);
199 gpio_free(GPIO_NR_PALMLD_SD_DETECT_N);
200}
201
202static void palmld_mci_power(struct device *dev, unsigned int vdd)
203{
204 struct pxamci_platform_data *p_d = dev->platform_data;
205 gpio_set_value(GPIO_NR_PALMLD_SD_POWER, p_d->ocr_mask & (1 << vdd));
206}
207
208static int palmld_mci_get_ro(struct device *dev)
209{
210 return gpio_get_value(GPIO_NR_PALMLD_SD_READONLY);
211}
212
213static struct pxamci_platform_data palmld_mci_platform_data = {
214 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
215 .setpower = palmld_mci_power,
216 .get_ro = palmld_mci_get_ro,
217 .init = palmld_mci_init,
218 .exit = palmld_mci_exit,
219};
220
221/******************************************************************************
222 * GPIO keyboard
223 ******************************************************************************/
224static unsigned int palmld_matrix_keys[] = {
225 KEY(0, 1, KEY_F2),
226 KEY(0, 2, KEY_UP),
227
228 KEY(1, 0, KEY_F3),
229 KEY(1, 1, KEY_F4),
230 KEY(1, 2, KEY_RIGHT),
231
232 KEY(2, 0, KEY_F1),
233 KEY(2, 1, KEY_F5),
234 KEY(2, 2, KEY_DOWN),
235
236 KEY(3, 0, KEY_F6),
237 KEY(3, 1, KEY_ENTER),
238 KEY(3, 2, KEY_LEFT),
239};
240
241static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
242 .matrix_key_rows = 4,
243 .matrix_key_cols = 3,
244 .matrix_key_map = palmld_matrix_keys,
245 .matrix_key_map_size = ARRAY_SIZE(palmld_matrix_keys),
246
247 .debounce_interval = 30,
248};
249
250/******************************************************************************
251 * GPIO keys
252 ******************************************************************************/
253static struct gpio_keys_button palmld_pxa_buttons[] = {
254 {KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
255 {KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" },
256 {KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" },
257};
258
259static struct gpio_keys_platform_data palmld_pxa_keys_data = {
260 .buttons = palmld_pxa_buttons,
261 .nbuttons = ARRAY_SIZE(palmld_pxa_buttons),
262};
263
264static struct platform_device palmld_pxa_keys = {
265 .name = "gpio-keys",
266 .id = -1,
267 .dev = {
268 .platform_data = &palmld_pxa_keys_data,
269 },
270};
271
272/******************************************************************************
273 * Backlight
274 ******************************************************************************/
275static int palmld_backlight_init(struct device *dev)
276{
277 int ret;
278
279 ret = gpio_request(GPIO_NR_PALMLD_BL_POWER, "BL POWER");
280 if (ret)
281 goto err;
282 ret = gpio_direction_output(GPIO_NR_PALMLD_BL_POWER, 0);
283 if (ret)
284 goto err2;
285 ret = gpio_request(GPIO_NR_PALMLD_LCD_POWER, "LCD POWER");
286 if (ret)
287 goto err2;
288 ret = gpio_direction_output(GPIO_NR_PALMLD_LCD_POWER, 0);
289 if (ret)
290 goto err3;
291
292 return 0;
293err3:
294 gpio_free(GPIO_NR_PALMLD_LCD_POWER);
295err2:
296 gpio_free(GPIO_NR_PALMLD_BL_POWER);
297err:
298 return ret;
299}
300
301static int palmld_backlight_notify(int brightness)
302{
303 gpio_set_value(GPIO_NR_PALMLD_BL_POWER, brightness);
304 gpio_set_value(GPIO_NR_PALMLD_LCD_POWER, brightness);
305 return brightness;
306}
307
308static void palmld_backlight_exit(struct device *dev)
309{
310 gpio_free(GPIO_NR_PALMLD_BL_POWER);
311 gpio_free(GPIO_NR_PALMLD_LCD_POWER);
312}
313
314static struct platform_pwm_backlight_data palmld_backlight_data = {
315 .pwm_id = 0,
316 .max_brightness = PALMLD_MAX_INTENSITY,
317 .dft_brightness = PALMLD_MAX_INTENSITY,
318 .pwm_period_ns = PALMLD_PERIOD_NS,
319 .init = palmld_backlight_init,
320 .notify = palmld_backlight_notify,
321 .exit = palmld_backlight_exit,
322};
323
324static struct platform_device palmld_backlight = {
325 .name = "pwm-backlight",
326 .dev = {
327 .parent = &pxa27x_device_pwm0.dev,
328 .platform_data = &palmld_backlight_data,
329 },
330};
331
332/******************************************************************************
333 * IrDA
334 ******************************************************************************/
335static int palmld_irda_startup(struct device *dev)
336{
337 int err;
338 err = gpio_request(GPIO_NR_PALMLD_IR_DISABLE, "IR DISABLE");
339 if (err)
340 goto err;
341 err = gpio_direction_output(GPIO_NR_PALMLD_IR_DISABLE, 1);
342 if (err)
343 gpio_free(GPIO_NR_PALMLD_IR_DISABLE);
344err:
345 return err;
346}
347
348static void palmld_irda_shutdown(struct device *dev)
349{
350 gpio_free(GPIO_NR_PALMLD_IR_DISABLE);
351}
352
353static void palmld_irda_transceiver_mode(struct device *dev, int mode)
354{
355 gpio_set_value(GPIO_NR_PALMLD_IR_DISABLE, mode & IR_OFF);
356 pxa2xx_transceiver_mode(dev, mode);
357}
358
359static struct pxaficp_platform_data palmld_ficp_platform_data = {
360 .startup = palmld_irda_startup,
361 .shutdown = palmld_irda_shutdown,
362 .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
363 .transceiver_mode = palmld_irda_transceiver_mode,
364};
365
366/******************************************************************************
367 * LEDs
368 ******************************************************************************/
369struct gpio_led gpio_leds[] = {
370{
371 .name = "palmld:green:led",
372 .default_trigger = "none",
373 .gpio = GPIO_NR_PALMLD_LED_GREEN,
374}, {
375 .name = "palmld:amber:led",
376 .default_trigger = "none",
377 .gpio = GPIO_NR_PALMLD_LED_AMBER,
378},
379};
380
381static struct gpio_led_platform_data gpio_led_info = {
382 .leds = gpio_leds,
383 .num_leds = ARRAY_SIZE(gpio_leds),
384};
385
386static struct platform_device palmld_leds = {
387 .name = "leds-gpio",
388 .id = -1,
389 .dev = {
390 .platform_data = &gpio_led_info,
391 }
392};
393
394/******************************************************************************
395 * Power supply
396 ******************************************************************************/
397static int power_supply_init(struct device *dev)
398{
399 int ret;
400
401 ret = gpio_request(GPIO_NR_PALMLD_POWER_DETECT, "CABLE_STATE_AC");
402 if (ret)
403 goto err1;
404 ret = gpio_direction_input(GPIO_NR_PALMLD_POWER_DETECT);
405 if (ret)
406 goto err2;
407
408 ret = gpio_request(GPIO_NR_PALMLD_USB_DETECT_N, "CABLE_STATE_USB");
409 if (ret)
410 goto err2;
411 ret = gpio_direction_input(GPIO_NR_PALMLD_USB_DETECT_N);
412 if (ret)
413 goto err3;
414
415 return 0;
416
417err3:
418 gpio_free(GPIO_NR_PALMLD_USB_DETECT_N);
419err2:
420 gpio_free(GPIO_NR_PALMLD_POWER_DETECT);
421err1:
422 return ret;
423}
424
425static int palmld_is_ac_online(void)
426{
427 return gpio_get_value(GPIO_NR_PALMLD_POWER_DETECT);
428}
429
430static int palmld_is_usb_online(void)
431{
432 return !gpio_get_value(GPIO_NR_PALMLD_USB_DETECT_N);
433}
434
435static void power_supply_exit(struct device *dev)
436{
437 gpio_free(GPIO_NR_PALMLD_USB_DETECT_N);
438 gpio_free(GPIO_NR_PALMLD_POWER_DETECT);
439}
440
441static char *palmld_supplicants[] = {
442 "main-battery",
443};
444
445static struct pda_power_pdata power_supply_info = {
446 .init = power_supply_init,
447 .is_ac_online = palmld_is_ac_online,
448 .is_usb_online = palmld_is_usb_online,
449 .exit = power_supply_exit,
450 .supplied_to = palmld_supplicants,
451 .num_supplicants = ARRAY_SIZE(palmld_supplicants),
452};
453
454static struct platform_device power_supply = {
455 .name = "pda-power",
456 .id = -1,
457 .dev = {
458 .platform_data = &power_supply_info,
459 },
460};
461
462/******************************************************************************
463 * WM97xx battery
464 ******************************************************************************/
465static struct wm97xx_batt_info wm97xx_batt_pdata = {
466 .batt_aux = WM97XX_AUX_ID3,
467 .temp_aux = WM97XX_AUX_ID2,
468 .charge_gpio = -1,
469 .max_voltage = PALMLD_BAT_MAX_VOLTAGE,
470 .min_voltage = PALMLD_BAT_MIN_VOLTAGE,
471 .batt_mult = 1000,
472 .batt_div = 414,
473 .temp_mult = 1,
474 .temp_div = 1,
475 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
476 .batt_name = "main-batt",
477};
478
479/******************************************************************************
480 * aSoC audio
481 ******************************************************************************/
e91fb913 482static struct palm27x_asoc_info palmld_asoc_pdata = {
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483 .jack_gpio = GPIO_NR_PALMLD_EARPHONE_DETECT,
484};
485
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486static pxa2xx_audio_ops_t palmld_ac97_pdata = {
487 .reset_gpio = 95,
488};
489
490static struct platform_device palmld_asoc = {
491 .name = "palm27x-asoc",
492 .id = -1,
493 .dev = {
494 .platform_data = &palmld_asoc_pdata,
495 },
496};
497
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498/******************************************************************************
499 * Framebuffer
500 ******************************************************************************/
501static struct pxafb_mode_info palmld_lcd_modes[] = {
502{
503 .pixclock = 57692,
504 .xres = 320,
505 .yres = 480,
506 .bpp = 16,
507
508 .left_margin = 32,
509 .right_margin = 1,
510 .upper_margin = 7,
511 .lower_margin = 1,
512
513 .hsync_len = 4,
514 .vsync_len = 1,
515},
516};
517
518static struct pxafb_mach_info palmld_lcd_screen = {
519 .modes = palmld_lcd_modes,
520 .num_modes = ARRAY_SIZE(palmld_lcd_modes),
521 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
522};
523
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524/******************************************************************************
525 * Power management - standby
526 ******************************************************************************/
fc9c1b6f 527static void __init palmld_pm_init(void)
81854f82 528{
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529 static u32 resume[] = {
530 0xe3a00101, /* mov r0, #0x40000000 */
531 0xe380060f, /* orr r0, r0, #0x00f00000 */
532 0xe590f008, /* ldr pc, [r0, #0x08] */
533 };
534
535 /* copy the bootloader */
536 memcpy(phys_to_virt(PALMLD_STR_BASE), resume, sizeof(resume));
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537}
538
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539/******************************************************************************
540 * Machine init
541 ******************************************************************************/
542static struct platform_device *devices[] __initdata = {
543#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
544 &palmld_pxa_keys,
545#endif
546 &palmld_backlight,
547 &palmld_leds,
548 &power_supply,
e91fb913 549 &palmld_asoc,
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550};
551
552static struct map_desc palmld_io_desc[] __initdata = {
553{
554 .virtual = PALMLD_IDE_VIRT,
555 .pfn = __phys_to_pfn(PALMLD_IDE_PHYS),
556 .length = PALMLD_IDE_SIZE,
557 .type = MT_DEVICE
558},
559{
560 .virtual = PALMLD_USB_VIRT,
561 .pfn = __phys_to_pfn(PALMLD_USB_PHYS),
562 .length = PALMLD_USB_SIZE,
563 .type = MT_DEVICE
564},
565};
566
567static void __init palmld_map_io(void)
568{
569 pxa_map_io();
570 iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
571}
572
573static void __init palmld_init(void)
574{
575 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
576
fc9c1b6f 577 palmld_pm_init();
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578 set_pxa_fb_info(&palmld_lcd_screen);
579 pxa_set_mci_info(&palmld_mci_platform_data);
e91fb913 580 pxa_set_ac97_info(&palmld_ac97_pdata);
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581 pxa_set_ficp_info(&palmld_ficp_platform_data);
582 pxa_set_keypad_info(&palmld_keypad_platform_data);
583 wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
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584
585 platform_add_devices(devices, ARRAY_SIZE(devices));
586}
587
588MACHINE_START(PALMLD, "Palm LifeDrive")
589 .phys_io = PALMLD_PHYS_IO_START,
590 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
591 .boot_params = 0xa0000100,
592 .map_io = palmld_map_io,
593 .init_irq = pxa27x_init_irq,
594 .timer = &pxa_timer,
595 .init_machine = palmld_init
596MACHINE_END