1 /*
2 * linux/arch/arm/mach-pxa/z2.c
3 *
4 * Support for the Zipit Z2 Handheld device.
5 *
6 * Copyright (C) 2009-2010 Marek Vasut <marek.vasut@gmail.com>
7 *
8 * Based on research and code by: Ken McGuire
9 * Based on mainstone.c as modified for the Zipit Z2.
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
14 */
15
16 #include <linux/platform_device.h>
17 #include <linux/mtd/mtd.h>
18 #include <linux/mtd/partitions.h>
19 #include <linux/pwm_backlight.h>
20 #include <linux/z2_battery.h>
21 #include <linux/dma-mapping.h>
22 #include <linux/spi/spi.h>
23 #include <linux/spi/pxa2xx_spi.h>
24 #include <linux/spi/libertas_spi.h>
25 #include <linux/spi/lms283gf05.h>
26 #include <linux/power_supply.h>
27 #include <linux/mtd/physmap.h>
28 #include <linux/gpio.h>
29 #include <linux/gpio_keys.h>
30 #include <linux/delay.h>
31 #include <linux/regulator/machine.h>
32 #include <linux/i2c/pxa-i2c.h>
33
34 #include <asm/mach-types.h>
35 #include <asm/mach/arch.h>
36
37 #include <mach/pxa27x.h>
38 #include <mach/mfp-pxa27x.h>
39 #include <mach/z2.h>
40 #include <linux/platform_data/video-pxafb.h>
41 #include <linux/platform_data/mmc-pxamci.h>
42 #include <linux/platform_data/keypad-pxa27x.h>
43 #include <mach/pm.h>
44
45 #include "generic.h"
46 #include "devices.h"
47
48 /******************************************************************************
49 * Pin configuration
50 ******************************************************************************/
51 static unsigned long z2_pin_config[] = {
52
53 /* LCD - 16bpp Active TFT */
54 GPIO58_LCD_LDD_0,
55 GPIO59_LCD_LDD_1,
56 GPIO60_LCD_LDD_2,
57 GPIO61_LCD_LDD_3,
58 GPIO62_LCD_LDD_4,
59 GPIO63_LCD_LDD_5,
60 GPIO64_LCD_LDD_6,
61 GPIO65_LCD_LDD_7,
62 GPIO66_LCD_LDD_8,
63 GPIO67_LCD_LDD_9,
64 GPIO68_LCD_LDD_10,
65 GPIO69_LCD_LDD_11,
66 GPIO70_LCD_LDD_12,
67 GPIO71_LCD_LDD_13,
68 GPIO72_LCD_LDD_14,
69 GPIO73_LCD_LDD_15,
70 GPIO74_LCD_FCLK,
71 GPIO75_LCD_LCLK,
72 GPIO76_LCD_PCLK,
73 GPIO77_LCD_BIAS,
74 GPIO19_GPIO, /* LCD reset */
75 GPIO88_GPIO, /* LCD chipselect */
76
77 /* PWM */
78 GPIO115_PWM1_OUT, /* Keypad Backlight */
79 GPIO11_PWM2_OUT, /* LCD Backlight */
80
81 /* MMC */
82 GPIO32_MMC_CLK,
83 GPIO112_MMC_CMD,
84 GPIO92_MMC_DAT_0,
85 GPIO109_MMC_DAT_1,
86 GPIO110_MMC_DAT_2,
87 GPIO111_MMC_DAT_3,
88 GPIO96_GPIO, /* SD detect */
89
90 /* STUART */
91 GPIO46_STUART_RXD,
92 GPIO47_STUART_TXD,
93
94 /* Keypad */
95 GPIO100_KP_MKIN_0,
96 GPIO101_KP_MKIN_1,
97 GPIO102_KP_MKIN_2,
98 GPIO34_KP_MKIN_3,
99 GPIO38_KP_MKIN_4,
100 GPIO16_KP_MKIN_5,
101 GPIO17_KP_MKIN_6,
102 GPIO103_KP_MKOUT_0,
103 GPIO104_KP_MKOUT_1,
104 GPIO105_KP_MKOUT_2,
105 GPIO106_KP_MKOUT_3,
106 GPIO107_KP_MKOUT_4,
107 GPIO108_KP_MKOUT_5,
108 GPIO35_KP_MKOUT_6,
109 GPIO41_KP_MKOUT_7,
110
111 /* I2C */
112 GPIO117_I2C_SCL,
113 GPIO118_I2C_SDA,
114
115 /* SSP1 */
116 GPIO23_SSP1_SCLK, /* SSP1_SCK */
117 GPIO25_SSP1_TXD, /* SSP1_TXD */
118 GPIO26_SSP1_RXD, /* SSP1_RXD */
119
120 /* SSP2 */
121 GPIO22_SSP2_SCLK, /* SSP2_SCK */
122 GPIO13_SSP2_TXD, /* SSP2_TXD */
123 GPIO40_SSP2_RXD, /* SSP2_RXD */
124
125 /* LEDs */
126 GPIO10_GPIO, /* WiFi LED */
127 GPIO83_GPIO, /* Charging LED */
128 GPIO85_GPIO, /* Charged LED */
129
130 /* I2S */
131 GPIO28_I2S_BITCLK_OUT,
132 GPIO29_I2S_SDATA_IN,
133 GPIO30_I2S_SDATA_OUT,
134 GPIO31_I2S_SYNC,
135 GPIO113_I2S_SYSCLK,
136
137 /* MISC */
138 GPIO0_GPIO, /* AC power detect */
139 GPIO1_GPIO, /* Power button */
140 GPIO37_GPIO, /* Headphone detect */
141 GPIO98_GPIO, /* Lid switch */
142 GPIO14_GPIO, /* WiFi Power */
143 GPIO24_GPIO, /* WiFi CS */
144 GPIO36_GPIO, /* WiFi IRQ */
145 GPIO88_GPIO, /* LCD CS */
146 };
147
148 /******************************************************************************
149 * NOR Flash
150 ******************************************************************************/
151 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
152 static struct resource z2_flash_resource = {
153 .start = PXA_CS0_PHYS,
154 .end = PXA_CS0_PHYS + SZ_8M - 1,
155 .flags = IORESOURCE_MEM,
156 };
157
158 static struct mtd_partition z2_flash_parts[] = {
159 {
160 .name = "U-Boot Bootloader",
161 .offset = 0x0,
162 .size = 0x40000,
163 }, {
164 .name = "U-Boot Environment",
165 .offset = 0x40000,
166 .size = 0x20000,
167 }, {
168 .name = "Flash",
169 .offset = 0x60000,
170 .size = MTDPART_SIZ_FULL,
171 },
172 };
173
174 static struct physmap_flash_data z2_flash_data = {
175 .width = 2,
176 .parts = z2_flash_parts,
177 .nr_parts = ARRAY_SIZE(z2_flash_parts),
178 };
179
180 static struct platform_device z2_flash = {
181 .name = "physmap-flash",
182 .id = -1,
183 .resource = &z2_flash_resource,
184 .num_resources = 1,
185 .dev = {
186 .platform_data = &z2_flash_data,
187 },
188 };
189
z2_nor_init(void)190 static void __init z2_nor_init(void)
191 {
192 platform_device_register(&z2_flash);
193 }
194 #else
z2_nor_init(void)195 static inline void z2_nor_init(void) {}
196 #endif
197
198 /******************************************************************************
199 * Backlight
200 ******************************************************************************/
201 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
202 static struct platform_pwm_backlight_data z2_backlight_data[] = {
203 [0] = {
204 /* Keypad Backlight */
205 .pwm_id = 1,
206 .max_brightness = 1023,
207 .dft_brightness = 0,
208 .pwm_period_ns = 1260320,
209 .enable_gpio = -1,
210 },
211 [1] = {
212 /* LCD Backlight */
213 .pwm_id = 2,
214 .max_brightness = 1023,
215 .dft_brightness = 512,
216 .pwm_period_ns = 1260320,
217 .enable_gpio = -1,
218 },
219 };
220
221 static struct platform_device z2_backlight_devices[2] = {
222 {
223 .name = "pwm-backlight",
224 .id = 0,
225 .dev = {
226 .platform_data = &z2_backlight_data[1],
227 },
228 },
229 {
230 .name = "pwm-backlight",
231 .id = 1,
232 .dev = {
233 .platform_data = &z2_backlight_data[0],
234 },
235 },
236 };
z2_pwm_init(void)237 static void __init z2_pwm_init(void)
238 {
239 platform_device_register(&z2_backlight_devices[0]);
240 platform_device_register(&z2_backlight_devices[1]);
241 }
242 #else
z2_pwm_init(void)243 static inline void z2_pwm_init(void) {}
244 #endif
245
246 /******************************************************************************
247 * Framebuffer
248 ******************************************************************************/
249 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
250 static struct pxafb_mode_info z2_lcd_modes[] = {
251 {
252 .pixclock = 192000,
253 .xres = 240,
254 .yres = 320,
255 .bpp = 16,
256
257 .left_margin = 4,
258 .right_margin = 8,
259 .upper_margin = 4,
260 .lower_margin = 8,
261
262 .hsync_len = 4,
263 .vsync_len = 4,
264 },
265 };
266
267 static struct pxafb_mach_info z2_lcd_screen = {
268 .modes = z2_lcd_modes,
269 .num_modes = ARRAY_SIZE(z2_lcd_modes),
270 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_BIAS_ACTIVE_LOW |
271 LCD_ALTERNATE_MAPPING,
272 };
273
z2_lcd_init(void)274 static void __init z2_lcd_init(void)
275 {
276 pxa_set_fb_info(NULL, &z2_lcd_screen);
277 }
278 #else
z2_lcd_init(void)279 static inline void z2_lcd_init(void) {}
280 #endif
281
282 /******************************************************************************
283 * SD/MMC card controller
284 ******************************************************************************/
285 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
286 static struct pxamci_platform_data z2_mci_platform_data = {
287 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
288 .gpio_card_detect = GPIO96_ZIPITZ2_SD_DETECT,
289 .gpio_power = -1,
290 .gpio_card_ro = -1,
291 .detect_delay_ms = 200,
292 };
293
z2_mmc_init(void)294 static void __init z2_mmc_init(void)
295 {
296 pxa_set_mci_info(&z2_mci_platform_data);
297 }
298 #else
z2_mmc_init(void)299 static inline void z2_mmc_init(void) {}
300 #endif
301
302 /******************************************************************************
303 * LEDs
304 ******************************************************************************/
305 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
306 struct gpio_led z2_gpio_leds[] = {
307 {
308 .name = "z2:green:wifi",
309 .default_trigger = "none",
310 .gpio = GPIO10_ZIPITZ2_LED_WIFI,
311 .active_low = 1,
312 }, {
313 .name = "z2:green:charged",
314 .default_trigger = "mmc0",
315 .gpio = GPIO85_ZIPITZ2_LED_CHARGED,
316 .active_low = 1,
317 }, {
318 .name = "z2:amber:charging",
319 .default_trigger = "Z2-charging-or-full",
320 .gpio = GPIO83_ZIPITZ2_LED_CHARGING,
321 .active_low = 1,
322 },
323 };
324
325 static struct gpio_led_platform_data z2_gpio_led_info = {
326 .leds = z2_gpio_leds,
327 .num_leds = ARRAY_SIZE(z2_gpio_leds),
328 };
329
330 static struct platform_device z2_leds = {
331 .name = "leds-gpio",
332 .id = -1,
333 .dev = {
334 .platform_data = &z2_gpio_led_info,
335 }
336 };
337
z2_leds_init(void)338 static void __init z2_leds_init(void)
339 {
340 platform_device_register(&z2_leds);
341 }
342 #else
z2_leds_init(void)343 static inline void z2_leds_init(void) {}
344 #endif
345
346 /******************************************************************************
347 * GPIO keyboard
348 ******************************************************************************/
349 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
350 static const unsigned int z2_matrix_keys[] = {
351 KEY(0, 0, KEY_OPTION),
352 KEY(1, 0, KEY_UP),
353 KEY(2, 0, KEY_DOWN),
354 KEY(3, 0, KEY_LEFT),
355 KEY(4, 0, KEY_RIGHT),
356 KEY(5, 0, KEY_END),
357 KEY(6, 0, KEY_KPPLUS),
358
359 KEY(0, 1, KEY_HOME),
360 KEY(1, 1, KEY_Q),
361 KEY(2, 1, KEY_I),
362 KEY(3, 1, KEY_G),
363 KEY(4, 1, KEY_X),
364 KEY(5, 1, KEY_ENTER),
365 KEY(6, 1, KEY_KPMINUS),
366
367 KEY(0, 2, KEY_PAGEUP),
368 KEY(1, 2, KEY_W),
369 KEY(2, 2, KEY_O),
370 KEY(3, 2, KEY_H),
371 KEY(4, 2, KEY_C),
372 KEY(5, 2, KEY_LEFTALT),
373
374 KEY(0, 3, KEY_PAGEDOWN),
375 KEY(1, 3, KEY_E),
376 KEY(2, 3, KEY_P),
377 KEY(3, 3, KEY_J),
378 KEY(4, 3, KEY_V),
379 KEY(5, 3, KEY_LEFTSHIFT),
380
381 KEY(0, 4, KEY_ESC),
382 KEY(1, 4, KEY_R),
383 KEY(2, 4, KEY_A),
384 KEY(3, 4, KEY_K),
385 KEY(4, 4, KEY_B),
386 KEY(5, 4, KEY_LEFTCTRL),
387
388 KEY(0, 5, KEY_TAB),
389 KEY(1, 5, KEY_T),
390 KEY(2, 5, KEY_S),
391 KEY(3, 5, KEY_L),
392 KEY(4, 5, KEY_N),
393 KEY(5, 5, KEY_SPACE),
394
395 KEY(0, 6, KEY_STOPCD),
396 KEY(1, 6, KEY_Y),
397 KEY(2, 6, KEY_D),
398 KEY(3, 6, KEY_BACKSPACE),
399 KEY(4, 6, KEY_M),
400 KEY(5, 6, KEY_COMMA),
401
402 KEY(0, 7, KEY_PLAYCD),
403 KEY(1, 7, KEY_U),
404 KEY(2, 7, KEY_F),
405 KEY(3, 7, KEY_Z),
406 KEY(4, 7, KEY_SEMICOLON),
407 KEY(5, 7, KEY_DOT),
408 };
409
410 static struct matrix_keymap_data z2_matrix_keymap_data = {
411 .keymap = z2_matrix_keys,
412 .keymap_size = ARRAY_SIZE(z2_matrix_keys),
413 };
414
415 static struct pxa27x_keypad_platform_data z2_keypad_platform_data = {
416 .matrix_key_rows = 7,
417 .matrix_key_cols = 8,
418 .matrix_keymap_data = &z2_matrix_keymap_data,
419
420 .debounce_interval = 30,
421 };
422
z2_mkp_init(void)423 static void __init z2_mkp_init(void)
424 {
425 pxa_set_keypad_info(&z2_keypad_platform_data);
426 }
427 #else
z2_mkp_init(void)428 static inline void z2_mkp_init(void) {}
429 #endif
430
431 /******************************************************************************
432 * GPIO keys
433 ******************************************************************************/
434 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
435 static struct gpio_keys_button z2_pxa_buttons[] = {
436 {
437 .code = KEY_POWER,
438 .gpio = GPIO1_ZIPITZ2_POWER_BUTTON,
439 .active_low = 0,
440 .desc = "Power Button",
441 .wakeup = 1,
442 .type = EV_KEY,
443 },
444 {
445 .code = SW_LID,
446 .gpio = GPIO98_ZIPITZ2_LID_BUTTON,
447 .active_low = 1,
448 .desc = "Lid Switch",
449 .wakeup = 0,
450 .type = EV_SW,
451 },
452 };
453
454 static struct gpio_keys_platform_data z2_pxa_keys_data = {
455 .buttons = z2_pxa_buttons,
456 .nbuttons = ARRAY_SIZE(z2_pxa_buttons),
457 };
458
459 static struct platform_device z2_pxa_keys = {
460 .name = "gpio-keys",
461 .id = -1,
462 .dev = {
463 .platform_data = &z2_pxa_keys_data,
464 },
465 };
466
z2_keys_init(void)467 static void __init z2_keys_init(void)
468 {
469 platform_device_register(&z2_pxa_keys);
470 }
471 #else
z2_keys_init(void)472 static inline void z2_keys_init(void) {}
473 #endif
474
475 /******************************************************************************
476 * Battery
477 ******************************************************************************/
478 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
479 static struct z2_battery_info batt_chip_info = {
480 .batt_I2C_bus = 0,
481 .batt_I2C_addr = 0x55,
482 .batt_I2C_reg = 2,
483 .charge_gpio = GPIO0_ZIPITZ2_AC_DETECT,
484 .min_voltage = 3475000,
485 .max_voltage = 4190000,
486 .batt_div = 59,
487 .batt_mult = 1000000,
488 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
489 .batt_name = "Z2",
490 };
491
492 static struct i2c_board_info __initdata z2_i2c_board_info[] = {
493 {
494 I2C_BOARD_INFO("aer915", 0x55),
495 .platform_data = &batt_chip_info,
496 }, {
497 I2C_BOARD_INFO("wm8750", 0x1b),
498 },
499
500 };
501
z2_i2c_init(void)502 static void __init z2_i2c_init(void)
503 {
504 pxa_set_i2c_info(NULL);
505 i2c_register_board_info(0, ARRAY_AND_SIZE(z2_i2c_board_info));
506 }
507 #else
z2_i2c_init(void)508 static inline void z2_i2c_init(void) {}
509 #endif
510
511 /******************************************************************************
512 * SSP Devices - WiFi and LCD control
513 ******************************************************************************/
514 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
515 /* WiFi */
z2_lbs_spi_setup(struct spi_device * spi)516 static int z2_lbs_spi_setup(struct spi_device *spi)
517 {
518 int ret = 0;
519
520 ret = gpio_request(GPIO14_ZIPITZ2_WIFI_POWER, "WiFi Power");
521 if (ret)
522 goto err;
523
524 ret = gpio_direction_output(GPIO14_ZIPITZ2_WIFI_POWER, 1);
525 if (ret)
526 goto err2;
527
528 /* Wait until card is powered on */
529 mdelay(180);
530
531 spi->bits_per_word = 16;
532 spi->mode = SPI_MODE_2,
533
534 spi_setup(spi);
535
536 return 0;
537
538 err2:
539 gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
540 err:
541 return ret;
542 };
543
z2_lbs_spi_teardown(struct spi_device * spi)544 static int z2_lbs_spi_teardown(struct spi_device *spi)
545 {
546 gpio_set_value(GPIO14_ZIPITZ2_WIFI_POWER, 0);
547 gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
548
549 return 0;
550 };
551
552 static struct pxa2xx_spi_chip z2_lbs_chip_info = {
553 .rx_threshold = 8,
554 .tx_threshold = 8,
555 .timeout = 1000,
556 .gpio_cs = GPIO24_ZIPITZ2_WIFI_CS,
557 };
558
559 static struct libertas_spi_platform_data z2_lbs_pdata = {
560 .use_dummy_writes = 1,
561 .setup = z2_lbs_spi_setup,
562 .teardown = z2_lbs_spi_teardown,
563 };
564
565 /* LCD */
566 static struct pxa2xx_spi_chip lms283_chip_info = {
567 .rx_threshold = 1,
568 .tx_threshold = 1,
569 .timeout = 64,
570 .gpio_cs = GPIO88_ZIPITZ2_LCD_CS,
571 };
572
573 static const struct lms283gf05_pdata lms283_pdata = {
574 .reset_gpio = GPIO19_ZIPITZ2_LCD_RESET,
575 };
576
577 static struct spi_board_info spi_board_info[] __initdata = {
578 {
579 .modalias = "libertas_spi",
580 .platform_data = &z2_lbs_pdata,
581 .controller_data = &z2_lbs_chip_info,
582 .irq = PXA_GPIO_TO_IRQ(GPIO36_ZIPITZ2_WIFI_IRQ),
583 .max_speed_hz = 13000000,
584 .bus_num = 1,
585 .chip_select = 0,
586 },
587 {
588 .modalias = "lms283gf05",
589 .controller_data = &lms283_chip_info,
590 .platform_data = &lms283_pdata,
591 .max_speed_hz = 400000,
592 .bus_num = 2,
593 .chip_select = 0,
594 },
595 };
596
597 static struct pxa2xx_spi_master pxa_ssp1_master_info = {
598 .clock_enable = CKEN_SSP,
599 .num_chipselect = 1,
600 .enable_dma = 1,
601 };
602
603 static struct pxa2xx_spi_master pxa_ssp2_master_info = {
604 .clock_enable = CKEN_SSP2,
605 .num_chipselect = 1,
606 };
607
z2_spi_init(void)608 static void __init z2_spi_init(void)
609 {
610 pxa2xx_set_spi_info(1, &pxa_ssp1_master_info);
611 pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
612 spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
613 }
614 #else
z2_spi_init(void)615 static inline void z2_spi_init(void) {}
616 #endif
617
618 /******************************************************************************
619 * Core power regulator
620 ******************************************************************************/
621 #if defined(CONFIG_REGULATOR_TPS65023) || \
622 defined(CONFIG_REGULATOR_TPS65023_MODULE)
623 static struct regulator_consumer_supply z2_tps65021_consumers[] = {
624 REGULATOR_SUPPLY("vcc_core", NULL),
625 };
626
627 static struct regulator_init_data z2_tps65021_info[] = {
628 {
629 .constraints = {
630 .name = "vcc_core range",
631 .min_uV = 800000,
632 .max_uV = 1600000,
633 .always_on = 1,
634 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
635 },
636 .consumer_supplies = z2_tps65021_consumers,
637 .num_consumer_supplies = ARRAY_SIZE(z2_tps65021_consumers),
638 }, {
639 .constraints = {
640 .name = "DCDC2",
641 .min_uV = 3300000,
642 .max_uV = 3300000,
643 .always_on = 1,
644 },
645 }, {
646 .constraints = {
647 .name = "DCDC3",
648 .min_uV = 1800000,
649 .max_uV = 1800000,
650 .always_on = 1,
651 },
652 }, {
653 .constraints = {
654 .name = "LDO1",
655 .min_uV = 1000000,
656 .max_uV = 3150000,
657 .always_on = 1,
658 },
659 }, {
660 .constraints = {
661 .name = "LDO2",
662 .min_uV = 1050000,
663 .max_uV = 3300000,
664 .always_on = 1,
665 },
666 }
667 };
668
669 static struct i2c_board_info __initdata z2_pi2c_board_info[] = {
670 {
671 I2C_BOARD_INFO("tps65021", 0x48),
672 .platform_data = &z2_tps65021_info,
673 },
674 };
675
z2_pmic_init(void)676 static void __init z2_pmic_init(void)
677 {
678 pxa27x_set_i2c_power_info(NULL);
679 i2c_register_board_info(1, ARRAY_AND_SIZE(z2_pi2c_board_info));
680 }
681 #else
z2_pmic_init(void)682 static inline void z2_pmic_init(void) {}
683 #endif
684
685 #ifdef CONFIG_PM
z2_power_off(void)686 static void z2_power_off(void)
687 {
688 /* We're using deep sleep as poweroff, so clear PSPR to ensure that
689 * bootloader will jump to its entry point in resume handler
690 */
691 PSPR = 0x0;
692 local_irq_disable();
693 pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
694 pxa27x_cpu_pm_enter(PM_SUSPEND_MEM);
695 }
696 #else
697 #define z2_power_off NULL
698 #endif
699
700 /******************************************************************************
701 * Machine init
702 ******************************************************************************/
z2_init(void)703 static void __init z2_init(void)
704 {
705 pxa2xx_mfp_config(ARRAY_AND_SIZE(z2_pin_config));
706
707 pxa_set_ffuart_info(NULL);
708 pxa_set_btuart_info(NULL);
709 pxa_set_stuart_info(NULL);
710
711 z2_lcd_init();
712 z2_mmc_init();
713 z2_mkp_init();
714 z2_i2c_init();
715 z2_spi_init();
716 z2_nor_init();
717 z2_pwm_init();
718 z2_leds_init();
719 z2_keys_init();
720 z2_pmic_init();
721
722 pm_power_off = z2_power_off;
723 }
724
725 MACHINE_START(ZIPIT2, "Zipit Z2")
726 .atag_offset = 0x100,
727 .map_io = pxa27x_map_io,
728 .nr_irqs = PXA_NR_IRQS,
729 .init_irq = pxa27x_init_irq,
730 .handle_irq = pxa27x_handle_irq,
731 .init_time = pxa_timer_init,
732 .init_machine = z2_init,
733 .restart = pxa_restart,
734 MACHINE_END
735