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 <mach/pxafb.h>
41 #include <mach/mmc.h>
42 #include <plat/pxa27x_keypad.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 },
210 [1] = {
211 /* LCD Backlight */
212 .pwm_id = 2,
213 .max_brightness = 1023,
214 .dft_brightness = 512,
215 .pwm_period_ns = 1260320,
216 },
217 };
218
219 static struct platform_device z2_backlight_devices[2] = {
220 {
221 .name = "pwm-backlight",
222 .id = 0,
223 .dev = {
224 .platform_data = &z2_backlight_data[1],
225 },
226 },
227 {
228 .name = "pwm-backlight",
229 .id = 1,
230 .dev = {
231 .platform_data = &z2_backlight_data[0],
232 },
233 },
234 };
z2_pwm_init(void)235 static void __init z2_pwm_init(void)
236 {
237 platform_device_register(&z2_backlight_devices[0]);
238 platform_device_register(&z2_backlight_devices[1]);
239 }
240 #else
z2_pwm_init(void)241 static inline void z2_pwm_init(void) {}
242 #endif
243
244 /******************************************************************************
245 * Framebuffer
246 ******************************************************************************/
247 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
248 static struct pxafb_mode_info z2_lcd_modes[] = {
249 {
250 .pixclock = 192000,
251 .xres = 240,
252 .yres = 320,
253 .bpp = 16,
254
255 .left_margin = 4,
256 .right_margin = 8,
257 .upper_margin = 4,
258 .lower_margin = 8,
259
260 .hsync_len = 4,
261 .vsync_len = 4,
262 },
263 };
264
265 static struct pxafb_mach_info z2_lcd_screen = {
266 .modes = z2_lcd_modes,
267 .num_modes = ARRAY_SIZE(z2_lcd_modes),
268 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_BIAS_ACTIVE_LOW |
269 LCD_ALTERNATE_MAPPING,
270 };
271
z2_lcd_init(void)272 static void __init z2_lcd_init(void)
273 {
274 pxa_set_fb_info(NULL, &z2_lcd_screen);
275 }
276 #else
z2_lcd_init(void)277 static inline void z2_lcd_init(void) {}
278 #endif
279
280 /******************************************************************************
281 * SD/MMC card controller
282 ******************************************************************************/
283 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
284 static struct pxamci_platform_data z2_mci_platform_data = {
285 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
286 .gpio_card_detect = GPIO96_ZIPITZ2_SD_DETECT,
287 .gpio_power = -1,
288 .gpio_card_ro = -1,
289 .detect_delay_ms = 200,
290 };
291
z2_mmc_init(void)292 static void __init z2_mmc_init(void)
293 {
294 pxa_set_mci_info(&z2_mci_platform_data);
295 }
296 #else
z2_mmc_init(void)297 static inline void z2_mmc_init(void) {}
298 #endif
299
300 /******************************************************************************
301 * LEDs
302 ******************************************************************************/
303 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
304 struct gpio_led z2_gpio_leds[] = {
305 {
306 .name = "z2:green:wifi",
307 .default_trigger = "none",
308 .gpio = GPIO10_ZIPITZ2_LED_WIFI,
309 .active_low = 1,
310 }, {
311 .name = "z2:green:charged",
312 .default_trigger = "mmc0",
313 .gpio = GPIO85_ZIPITZ2_LED_CHARGED,
314 .active_low = 1,
315 }, {
316 .name = "z2:amber:charging",
317 .default_trigger = "Z2-charging-or-full",
318 .gpio = GPIO83_ZIPITZ2_LED_CHARGING,
319 .active_low = 1,
320 },
321 };
322
323 static struct gpio_led_platform_data z2_gpio_led_info = {
324 .leds = z2_gpio_leds,
325 .num_leds = ARRAY_SIZE(z2_gpio_leds),
326 };
327
328 static struct platform_device z2_leds = {
329 .name = "leds-gpio",
330 .id = -1,
331 .dev = {
332 .platform_data = &z2_gpio_led_info,
333 }
334 };
335
z2_leds_init(void)336 static void __init z2_leds_init(void)
337 {
338 platform_device_register(&z2_leds);
339 }
340 #else
z2_leds_init(void)341 static inline void z2_leds_init(void) {}
342 #endif
343
344 /******************************************************************************
345 * GPIO keyboard
346 ******************************************************************************/
347 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
348 static unsigned int z2_matrix_keys[] = {
349 KEY(0, 0, KEY_OPTION),
350 KEY(1, 0, KEY_UP),
351 KEY(2, 0, KEY_DOWN),
352 KEY(3, 0, KEY_LEFT),
353 KEY(4, 0, KEY_RIGHT),
354 KEY(5, 0, KEY_END),
355 KEY(6, 0, KEY_KPPLUS),
356
357 KEY(0, 1, KEY_HOME),
358 KEY(1, 1, KEY_Q),
359 KEY(2, 1, KEY_I),
360 KEY(3, 1, KEY_G),
361 KEY(4, 1, KEY_X),
362 KEY(5, 1, KEY_ENTER),
363 KEY(6, 1, KEY_KPMINUS),
364
365 KEY(0, 2, KEY_PAGEUP),
366 KEY(1, 2, KEY_W),
367 KEY(2, 2, KEY_O),
368 KEY(3, 2, KEY_H),
369 KEY(4, 2, KEY_C),
370 KEY(5, 2, KEY_LEFTALT),
371
372 KEY(0, 3, KEY_PAGEDOWN),
373 KEY(1, 3, KEY_E),
374 KEY(2, 3, KEY_P),
375 KEY(3, 3, KEY_J),
376 KEY(4, 3, KEY_V),
377 KEY(5, 3, KEY_LEFTSHIFT),
378
379 KEY(0, 4, KEY_ESC),
380 KEY(1, 4, KEY_R),
381 KEY(2, 4, KEY_A),
382 KEY(3, 4, KEY_K),
383 KEY(4, 4, KEY_B),
384 KEY(5, 4, KEY_LEFTCTRL),
385
386 KEY(0, 5, KEY_TAB),
387 KEY(1, 5, KEY_T),
388 KEY(2, 5, KEY_S),
389 KEY(3, 5, KEY_L),
390 KEY(4, 5, KEY_N),
391 KEY(5, 5, KEY_SPACE),
392
393 KEY(0, 6, KEY_STOPCD),
394 KEY(1, 6, KEY_Y),
395 KEY(2, 6, KEY_D),
396 KEY(3, 6, KEY_BACKSPACE),
397 KEY(4, 6, KEY_M),
398 KEY(5, 6, KEY_COMMA),
399
400 KEY(0, 7, KEY_PLAYCD),
401 KEY(1, 7, KEY_U),
402 KEY(2, 7, KEY_F),
403 KEY(3, 7, KEY_Z),
404 KEY(4, 7, KEY_SEMICOLON),
405 KEY(5, 7, KEY_DOT),
406 };
407
408 static struct pxa27x_keypad_platform_data z2_keypad_platform_data = {
409 .matrix_key_rows = 7,
410 .matrix_key_cols = 8,
411 .matrix_key_map = z2_matrix_keys,
412 .matrix_key_map_size = ARRAY_SIZE(z2_matrix_keys),
413
414 .debounce_interval = 30,
415 };
416
z2_mkp_init(void)417 static void __init z2_mkp_init(void)
418 {
419 pxa_set_keypad_info(&z2_keypad_platform_data);
420 }
421 #else
z2_mkp_init(void)422 static inline void z2_mkp_init(void) {}
423 #endif
424
425 /******************************************************************************
426 * GPIO keys
427 ******************************************************************************/
428 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
429 static struct gpio_keys_button z2_pxa_buttons[] = {
430 {
431 .code = KEY_POWER,
432 .gpio = GPIO1_ZIPITZ2_POWER_BUTTON,
433 .active_low = 0,
434 .desc = "Power Button",
435 .wakeup = 1,
436 .type = EV_KEY,
437 },
438 {
439 .code = SW_LID,
440 .gpio = GPIO98_ZIPITZ2_LID_BUTTON,
441 .active_low = 1,
442 .desc = "Lid Switch",
443 .wakeup = 0,
444 .type = EV_SW,
445 },
446 };
447
448 static struct gpio_keys_platform_data z2_pxa_keys_data = {
449 .buttons = z2_pxa_buttons,
450 .nbuttons = ARRAY_SIZE(z2_pxa_buttons),
451 };
452
453 static struct platform_device z2_pxa_keys = {
454 .name = "gpio-keys",
455 .id = -1,
456 .dev = {
457 .platform_data = &z2_pxa_keys_data,
458 },
459 };
460
z2_keys_init(void)461 static void __init z2_keys_init(void)
462 {
463 platform_device_register(&z2_pxa_keys);
464 }
465 #else
z2_keys_init(void)466 static inline void z2_keys_init(void) {}
467 #endif
468
469 /******************************************************************************
470 * Battery
471 ******************************************************************************/
472 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
473 static struct z2_battery_info batt_chip_info = {
474 .batt_I2C_bus = 0,
475 .batt_I2C_addr = 0x55,
476 .batt_I2C_reg = 2,
477 .charge_gpio = GPIO0_ZIPITZ2_AC_DETECT,
478 .min_voltage = 3475000,
479 .max_voltage = 4190000,
480 .batt_div = 59,
481 .batt_mult = 1000000,
482 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
483 .batt_name = "Z2",
484 };
485
486 static struct i2c_board_info __initdata z2_i2c_board_info[] = {
487 {
488 I2C_BOARD_INFO("aer915", 0x55),
489 .platform_data = &batt_chip_info,
490 }, {
491 I2C_BOARD_INFO("wm8750", 0x1b),
492 },
493
494 };
495
z2_i2c_init(void)496 static void __init z2_i2c_init(void)
497 {
498 pxa_set_i2c_info(NULL);
499 i2c_register_board_info(0, ARRAY_AND_SIZE(z2_i2c_board_info));
500 }
501 #else
z2_i2c_init(void)502 static inline void z2_i2c_init(void) {}
503 #endif
504
505 /******************************************************************************
506 * SSP Devices - WiFi and LCD control
507 ******************************************************************************/
508 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
509 /* WiFi */
z2_lbs_spi_setup(struct spi_device * spi)510 static int z2_lbs_spi_setup(struct spi_device *spi)
511 {
512 int ret = 0;
513
514 ret = gpio_request(GPIO14_ZIPITZ2_WIFI_POWER, "WiFi Power");
515 if (ret)
516 goto err;
517
518 ret = gpio_direction_output(GPIO14_ZIPITZ2_WIFI_POWER, 1);
519 if (ret)
520 goto err2;
521
522 /* Wait until card is powered on */
523 mdelay(180);
524
525 spi->bits_per_word = 16;
526 spi->mode = SPI_MODE_2,
527
528 spi_setup(spi);
529
530 return 0;
531
532 err2:
533 gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
534 err:
535 return ret;
536 };
537
z2_lbs_spi_teardown(struct spi_device * spi)538 static int z2_lbs_spi_teardown(struct spi_device *spi)
539 {
540 gpio_set_value(GPIO14_ZIPITZ2_WIFI_POWER, 0);
541 gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
542
543 return 0;
544 };
545
546 static struct pxa2xx_spi_chip z2_lbs_chip_info = {
547 .rx_threshold = 8,
548 .tx_threshold = 8,
549 .timeout = 1000,
550 .gpio_cs = GPIO24_ZIPITZ2_WIFI_CS,
551 };
552
553 static struct libertas_spi_platform_data z2_lbs_pdata = {
554 .use_dummy_writes = 1,
555 .setup = z2_lbs_spi_setup,
556 .teardown = z2_lbs_spi_teardown,
557 };
558
559 /* LCD */
560 static struct pxa2xx_spi_chip lms283_chip_info = {
561 .rx_threshold = 1,
562 .tx_threshold = 1,
563 .timeout = 64,
564 .gpio_cs = GPIO88_ZIPITZ2_LCD_CS,
565 };
566
567 static const struct lms283gf05_pdata lms283_pdata = {
568 .reset_gpio = GPIO19_ZIPITZ2_LCD_RESET,
569 };
570
571 static struct spi_board_info spi_board_info[] __initdata = {
572 {
573 .modalias = "libertas_spi",
574 .platform_data = &z2_lbs_pdata,
575 .controller_data = &z2_lbs_chip_info,
576 .irq = PXA_GPIO_TO_IRQ(GPIO36_ZIPITZ2_WIFI_IRQ),
577 .max_speed_hz = 13000000,
578 .bus_num = 1,
579 .chip_select = 0,
580 },
581 {
582 .modalias = "lms283gf05",
583 .controller_data = &lms283_chip_info,
584 .platform_data = &lms283_pdata,
585 .max_speed_hz = 400000,
586 .bus_num = 2,
587 .chip_select = 0,
588 },
589 };
590
591 static struct pxa2xx_spi_master pxa_ssp1_master_info = {
592 .clock_enable = CKEN_SSP,
593 .num_chipselect = 1,
594 .enable_dma = 1,
595 };
596
597 static struct pxa2xx_spi_master pxa_ssp2_master_info = {
598 .clock_enable = CKEN_SSP2,
599 .num_chipselect = 1,
600 };
601
z2_spi_init(void)602 static void __init z2_spi_init(void)
603 {
604 pxa2xx_set_spi_info(1, &pxa_ssp1_master_info);
605 pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
606 spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
607 }
608 #else
z2_spi_init(void)609 static inline void z2_spi_init(void) {}
610 #endif
611
612 /******************************************************************************
613 * Core power regulator
614 ******************************************************************************/
615 #if defined(CONFIG_REGULATOR_TPS65023) || \
616 defined(CONFIG_REGULATOR_TPS65023_MODULE)
617 static struct regulator_consumer_supply z2_tps65021_consumers[] = {
618 {
619 .supply = "vcc_core",
620 }
621 };
622
623 static struct regulator_init_data z2_tps65021_info[] = {
624 {
625 .constraints = {
626 .name = "vcc_core range",
627 .min_uV = 800000,
628 .max_uV = 1600000,
629 .always_on = 1,
630 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
631 },
632 .consumer_supplies = z2_tps65021_consumers,
633 .num_consumer_supplies = ARRAY_SIZE(z2_tps65021_consumers),
634 }, {
635 .constraints = {
636 .name = "DCDC2",
637 .min_uV = 3300000,
638 .max_uV = 3300000,
639 .always_on = 1,
640 },
641 }, {
642 .constraints = {
643 .name = "DCDC3",
644 .min_uV = 1800000,
645 .max_uV = 1800000,
646 .always_on = 1,
647 },
648 }, {
649 .constraints = {
650 .name = "LDO1",
651 .min_uV = 1000000,
652 .max_uV = 3150000,
653 .always_on = 1,
654 },
655 }, {
656 .constraints = {
657 .name = "LDO2",
658 .min_uV = 1050000,
659 .max_uV = 3300000,
660 .always_on = 1,
661 },
662 }
663 };
664
665 static struct i2c_board_info __initdata z2_pi2c_board_info[] = {
666 {
667 I2C_BOARD_INFO("tps65021", 0x48),
668 .platform_data = &z2_tps65021_info,
669 },
670 };
671
z2_pmic_init(void)672 static void __init z2_pmic_init(void)
673 {
674 pxa27x_set_i2c_power_info(NULL);
675 i2c_register_board_info(1, ARRAY_AND_SIZE(z2_pi2c_board_info));
676 }
677 #else
z2_pmic_init(void)678 static inline void z2_pmic_init(void) {}
679 #endif
680
681 #ifdef CONFIG_PM
z2_power_off(void)682 static void z2_power_off(void)
683 {
684 /* We're using deep sleep as poweroff, so clear PSPR to ensure that
685 * bootloader will jump to its entry point in resume handler
686 */
687 PSPR = 0x0;
688 local_irq_disable();
689 pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
690 pxa27x_cpu_pm_enter(PM_SUSPEND_MEM);
691 }
692 #else
693 #define z2_power_off NULL
694 #endif
695
696 /******************************************************************************
697 * Machine init
698 ******************************************************************************/
z2_init(void)699 static void __init z2_init(void)
700 {
701 pxa2xx_mfp_config(ARRAY_AND_SIZE(z2_pin_config));
702
703 pxa_set_ffuart_info(NULL);
704 pxa_set_btuart_info(NULL);
705 pxa_set_stuart_info(NULL);
706
707 z2_lcd_init();
708 z2_mmc_init();
709 z2_mkp_init();
710 z2_i2c_init();
711 z2_spi_init();
712 z2_nor_init();
713 z2_pwm_init();
714 z2_leds_init();
715 z2_keys_init();
716 z2_pmic_init();
717
718 pm_power_off = z2_power_off;
719 }
720
721 MACHINE_START(ZIPIT2, "Zipit Z2")
722 .atag_offset = 0x100,
723 .map_io = pxa27x_map_io,
724 .init_irq = pxa27x_init_irq,
725 .handle_irq = pxa27x_handle_irq,
726 .timer = &pxa_timer,
727 .init_machine = z2_init,
728 .restart = pxa_restart,
729 MACHINE_END
730