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.h>
20 #include <linux/pwm_backlight.h>
21 #include <linux/z2_battery.h>
22 #include <linux/dma-mapping.h>
23 #include <linux/spi/spi.h>
24 #include <linux/spi/pxa2xx_spi.h>
25 #include <linux/spi/libertas_spi.h>
26 #include <linux/spi/lms283gf05.h>
27 #include <linux/power_supply.h>
28 #include <linux/mtd/physmap.h>
29 #include <linux/gpio.h>
30 #include <linux/gpio_keys.h>
31 #include <linux/delay.h>
32 #include <linux/regulator/machine.h>
33 #include <linux/platform_data/i2c-pxa.h>
34
35 #include <asm/mach-types.h>
36 #include <asm/mach/arch.h>
37
38 #include "pxa27x.h"
39 #include "mfp-pxa27x.h"
40 #include <mach/z2.h>
41 #include <linux/platform_data/video-pxafb.h>
42 #include <linux/platform_data/mmc-pxamci.h>
43 #include <linux/platform_data/keypad-pxa27x.h>
44 #include "pm.h"
45
46 #include "generic.h"
47 #include "devices.h"
48
49 /******************************************************************************
50 * Pin configuration
51 ******************************************************************************/
52 static unsigned long z2_pin_config[] = {
53
54 /* LCD - 16bpp Active TFT */
55 GPIO58_LCD_LDD_0,
56 GPIO59_LCD_LDD_1,
57 GPIO60_LCD_LDD_2,
58 GPIO61_LCD_LDD_3,
59 GPIO62_LCD_LDD_4,
60 GPIO63_LCD_LDD_5,
61 GPIO64_LCD_LDD_6,
62 GPIO65_LCD_LDD_7,
63 GPIO66_LCD_LDD_8,
64 GPIO67_LCD_LDD_9,
65 GPIO68_LCD_LDD_10,
66 GPIO69_LCD_LDD_11,
67 GPIO70_LCD_LDD_12,
68 GPIO71_LCD_LDD_13,
69 GPIO72_LCD_LDD_14,
70 GPIO73_LCD_LDD_15,
71 GPIO74_LCD_FCLK,
72 GPIO75_LCD_LCLK,
73 GPIO76_LCD_PCLK,
74 GPIO77_LCD_BIAS,
75 GPIO19_GPIO, /* LCD reset */
76 GPIO88_GPIO, /* LCD chipselect */
77
78 /* PWM */
79 GPIO115_PWM1_OUT, /* Keypad Backlight */
80 GPIO11_PWM2_OUT, /* LCD Backlight */
81
82 /* MMC */
83 GPIO32_MMC_CLK,
84 GPIO112_MMC_CMD,
85 GPIO92_MMC_DAT_0,
86 GPIO109_MMC_DAT_1,
87 GPIO110_MMC_DAT_2,
88 GPIO111_MMC_DAT_3,
89 GPIO96_GPIO, /* SD detect */
90
91 /* STUART */
92 GPIO46_STUART_RXD,
93 GPIO47_STUART_TXD,
94
95 /* Keypad */
96 GPIO100_KP_MKIN_0,
97 GPIO101_KP_MKIN_1,
98 GPIO102_KP_MKIN_2,
99 GPIO34_KP_MKIN_3,
100 GPIO38_KP_MKIN_4,
101 GPIO16_KP_MKIN_5,
102 GPIO17_KP_MKIN_6,
103 GPIO103_KP_MKOUT_0,
104 GPIO104_KP_MKOUT_1,
105 GPIO105_KP_MKOUT_2,
106 GPIO106_KP_MKOUT_3,
107 GPIO107_KP_MKOUT_4,
108 GPIO108_KP_MKOUT_5,
109 GPIO35_KP_MKOUT_6,
110 GPIO41_KP_MKOUT_7,
111
112 /* I2C */
113 GPIO117_I2C_SCL,
114 GPIO118_I2C_SDA,
115
116 /* SSP1 */
117 GPIO23_SSP1_SCLK, /* SSP1_SCK */
118 GPIO25_SSP1_TXD, /* SSP1_TXD */
119 GPIO26_SSP1_RXD, /* SSP1_RXD */
120
121 /* SSP2 */
122 GPIO22_SSP2_SCLK, /* SSP2_SCK */
123 GPIO13_SSP2_TXD, /* SSP2_TXD */
124 GPIO40_SSP2_RXD, /* SSP2_RXD */
125
126 /* LEDs */
127 GPIO10_GPIO, /* WiFi LED */
128 GPIO83_GPIO, /* Charging LED */
129 GPIO85_GPIO, /* Charged LED */
130
131 /* I2S */
132 GPIO28_I2S_BITCLK_OUT,
133 GPIO29_I2S_SDATA_IN,
134 GPIO30_I2S_SDATA_OUT,
135 GPIO31_I2S_SYNC,
136 GPIO113_I2S_SYSCLK,
137
138 /* MISC */
139 GPIO0_GPIO, /* AC power detect */
140 GPIO1_GPIO, /* Power button */
141 GPIO37_GPIO, /* Headphone detect */
142 GPIO98_GPIO, /* Lid switch */
143 GPIO14_GPIO, /* WiFi Power */
144 GPIO24_GPIO, /* WiFi CS */
145 GPIO36_GPIO, /* WiFi IRQ */
146 GPIO88_GPIO, /* LCD CS */
147 };
148
149 /******************************************************************************
150 * NOR Flash
151 ******************************************************************************/
152 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
153 static struct resource z2_flash_resource = {
154 .start = PXA_CS0_PHYS,
155 .end = PXA_CS0_PHYS + SZ_8M - 1,
156 .flags = IORESOURCE_MEM,
157 };
158
159 static struct mtd_partition z2_flash_parts[] = {
160 {
161 .name = "U-Boot Bootloader",
162 .offset = 0x0,
163 .size = 0x40000,
164 }, {
165 .name = "U-Boot Environment",
166 .offset = 0x40000,
167 .size = 0x20000,
168 }, {
169 .name = "Flash",
170 .offset = 0x60000,
171 .size = MTDPART_SIZ_FULL,
172 },
173 };
174
175 static struct physmap_flash_data z2_flash_data = {
176 .width = 2,
177 .parts = z2_flash_parts,
178 .nr_parts = ARRAY_SIZE(z2_flash_parts),
179 };
180
181 static struct platform_device z2_flash = {
182 .name = "physmap-flash",
183 .id = -1,
184 .resource = &z2_flash_resource,
185 .num_resources = 1,
186 .dev = {
187 .platform_data = &z2_flash_data,
188 },
189 };
190
z2_nor_init(void)191 static void __init z2_nor_init(void)
192 {
193 platform_device_register(&z2_flash);
194 }
195 #else
z2_nor_init(void)196 static inline void z2_nor_init(void) {}
197 #endif
198
199 /******************************************************************************
200 * Backlight
201 ******************************************************************************/
202 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
203 static struct pwm_lookup z2_pwm_lookup[] = {
204 PWM_LOOKUP("pxa27x-pwm.1", 0, "pwm-backlight.0", NULL, 1260320,
205 PWM_POLARITY_NORMAL),
206 PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.1", NULL, 1260320,
207 PWM_POLARITY_NORMAL),
208 };
209
210 static struct platform_pwm_backlight_data z2_backlight_data[] = {
211 [0] = {
212 /* Keypad Backlight */
213 .max_brightness = 1023,
214 .dft_brightness = 0,
215 .enable_gpio = -1,
216 },
217 [1] = {
218 /* LCD Backlight */
219 .max_brightness = 1023,
220 .dft_brightness = 512,
221 .enable_gpio = -1,
222 },
223 };
224
225 static struct platform_device z2_backlight_devices[2] = {
226 {
227 .name = "pwm-backlight",
228 .id = 0,
229 .dev = {
230 .platform_data = &z2_backlight_data[1],
231 },
232 },
233 {
234 .name = "pwm-backlight",
235 .id = 1,
236 .dev = {
237 .platform_data = &z2_backlight_data[0],
238 },
239 },
240 };
z2_pwm_init(void)241 static void __init z2_pwm_init(void)
242 {
243 pwm_add_table(z2_pwm_lookup, ARRAY_SIZE(z2_pwm_lookup));
244 platform_device_register(&z2_backlight_devices[0]);
245 platform_device_register(&z2_backlight_devices[1]);
246 }
247 #else
z2_pwm_init(void)248 static inline void z2_pwm_init(void) {}
249 #endif
250
251 /******************************************************************************
252 * Framebuffer
253 ******************************************************************************/
254 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
255 static struct pxafb_mode_info z2_lcd_modes[] = {
256 {
257 .pixclock = 192000,
258 .xres = 240,
259 .yres = 320,
260 .bpp = 16,
261
262 .left_margin = 4,
263 .right_margin = 8,
264 .upper_margin = 4,
265 .lower_margin = 8,
266
267 .hsync_len = 4,
268 .vsync_len = 4,
269 },
270 };
271
272 static struct pxafb_mach_info z2_lcd_screen = {
273 .modes = z2_lcd_modes,
274 .num_modes = ARRAY_SIZE(z2_lcd_modes),
275 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_BIAS_ACTIVE_LOW |
276 LCD_ALTERNATE_MAPPING,
277 };
278
z2_lcd_init(void)279 static void __init z2_lcd_init(void)
280 {
281 pxa_set_fb_info(NULL, &z2_lcd_screen);
282 }
283 #else
z2_lcd_init(void)284 static inline void z2_lcd_init(void) {}
285 #endif
286
287 /******************************************************************************
288 * SD/MMC card controller
289 ******************************************************************************/
290 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
291 static struct pxamci_platform_data z2_mci_platform_data = {
292 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
293 .gpio_card_detect = GPIO96_ZIPITZ2_SD_DETECT,
294 .gpio_power = -1,
295 .gpio_card_ro = -1,
296 .detect_delay_ms = 200,
297 };
298
z2_mmc_init(void)299 static void __init z2_mmc_init(void)
300 {
301 pxa_set_mci_info(&z2_mci_platform_data);
302 }
303 #else
z2_mmc_init(void)304 static inline void z2_mmc_init(void) {}
305 #endif
306
307 /******************************************************************************
308 * LEDs
309 ******************************************************************************/
310 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
311 struct gpio_led z2_gpio_leds[] = {
312 {
313 .name = "z2:green:wifi",
314 .default_trigger = "none",
315 .gpio = GPIO10_ZIPITZ2_LED_WIFI,
316 .active_low = 1,
317 }, {
318 .name = "z2:green:charged",
319 .default_trigger = "mmc0",
320 .gpio = GPIO85_ZIPITZ2_LED_CHARGED,
321 .active_low = 1,
322 }, {
323 .name = "z2:amber:charging",
324 .default_trigger = "Z2-charging-or-full",
325 .gpio = GPIO83_ZIPITZ2_LED_CHARGING,
326 .active_low = 1,
327 },
328 };
329
330 static struct gpio_led_platform_data z2_gpio_led_info = {
331 .leds = z2_gpio_leds,
332 .num_leds = ARRAY_SIZE(z2_gpio_leds),
333 };
334
335 static struct platform_device z2_leds = {
336 .name = "leds-gpio",
337 .id = -1,
338 .dev = {
339 .platform_data = &z2_gpio_led_info,
340 }
341 };
342
z2_leds_init(void)343 static void __init z2_leds_init(void)
344 {
345 platform_device_register(&z2_leds);
346 }
347 #else
z2_leds_init(void)348 static inline void z2_leds_init(void) {}
349 #endif
350
351 /******************************************************************************
352 * GPIO keyboard
353 ******************************************************************************/
354 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
355 static const unsigned int z2_matrix_keys[] = {
356 KEY(0, 0, KEY_OPTION),
357 KEY(1, 0, KEY_UP),
358 KEY(2, 0, KEY_DOWN),
359 KEY(3, 0, KEY_LEFT),
360 KEY(4, 0, KEY_RIGHT),
361 KEY(5, 0, KEY_END),
362 KEY(6, 0, KEY_KPPLUS),
363
364 KEY(0, 1, KEY_HOME),
365 KEY(1, 1, KEY_Q),
366 KEY(2, 1, KEY_I),
367 KEY(3, 1, KEY_G),
368 KEY(4, 1, KEY_X),
369 KEY(5, 1, KEY_ENTER),
370 KEY(6, 1, KEY_KPMINUS),
371
372 KEY(0, 2, KEY_PAGEUP),
373 KEY(1, 2, KEY_W),
374 KEY(2, 2, KEY_O),
375 KEY(3, 2, KEY_H),
376 KEY(4, 2, KEY_C),
377 KEY(5, 2, KEY_LEFTALT),
378
379 KEY(0, 3, KEY_PAGEDOWN),
380 KEY(1, 3, KEY_E),
381 KEY(2, 3, KEY_P),
382 KEY(3, 3, KEY_J),
383 KEY(4, 3, KEY_V),
384 KEY(5, 3, KEY_LEFTSHIFT),
385
386 KEY(0, 4, KEY_ESC),
387 KEY(1, 4, KEY_R),
388 KEY(2, 4, KEY_A),
389 KEY(3, 4, KEY_K),
390 KEY(4, 4, KEY_B),
391 KEY(5, 4, KEY_LEFTCTRL),
392
393 KEY(0, 5, KEY_TAB),
394 KEY(1, 5, KEY_T),
395 KEY(2, 5, KEY_S),
396 KEY(3, 5, KEY_L),
397 KEY(4, 5, KEY_N),
398 KEY(5, 5, KEY_SPACE),
399
400 KEY(0, 6, KEY_STOPCD),
401 KEY(1, 6, KEY_Y),
402 KEY(2, 6, KEY_D),
403 KEY(3, 6, KEY_BACKSPACE),
404 KEY(4, 6, KEY_M),
405 KEY(5, 6, KEY_COMMA),
406
407 KEY(0, 7, KEY_PLAYCD),
408 KEY(1, 7, KEY_U),
409 KEY(2, 7, KEY_F),
410 KEY(3, 7, KEY_Z),
411 KEY(4, 7, KEY_SEMICOLON),
412 KEY(5, 7, KEY_DOT),
413 };
414
415 static struct matrix_keymap_data z2_matrix_keymap_data = {
416 .keymap = z2_matrix_keys,
417 .keymap_size = ARRAY_SIZE(z2_matrix_keys),
418 };
419
420 static struct pxa27x_keypad_platform_data z2_keypad_platform_data = {
421 .matrix_key_rows = 7,
422 .matrix_key_cols = 8,
423 .matrix_keymap_data = &z2_matrix_keymap_data,
424
425 .debounce_interval = 30,
426 };
427
z2_mkp_init(void)428 static void __init z2_mkp_init(void)
429 {
430 pxa_set_keypad_info(&z2_keypad_platform_data);
431 }
432 #else
z2_mkp_init(void)433 static inline void z2_mkp_init(void) {}
434 #endif
435
436 /******************************************************************************
437 * GPIO keys
438 ******************************************************************************/
439 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
440 static struct gpio_keys_button z2_pxa_buttons[] = {
441 {
442 .code = KEY_POWER,
443 .gpio = GPIO1_ZIPITZ2_POWER_BUTTON,
444 .active_low = 0,
445 .desc = "Power Button",
446 .wakeup = 1,
447 .type = EV_KEY,
448 },
449 {
450 .code = SW_LID,
451 .gpio = GPIO98_ZIPITZ2_LID_BUTTON,
452 .active_low = 1,
453 .desc = "Lid Switch",
454 .wakeup = 0,
455 .type = EV_SW,
456 },
457 };
458
459 static struct gpio_keys_platform_data z2_pxa_keys_data = {
460 .buttons = z2_pxa_buttons,
461 .nbuttons = ARRAY_SIZE(z2_pxa_buttons),
462 };
463
464 static struct platform_device z2_pxa_keys = {
465 .name = "gpio-keys",
466 .id = -1,
467 .dev = {
468 .platform_data = &z2_pxa_keys_data,
469 },
470 };
471
z2_keys_init(void)472 static void __init z2_keys_init(void)
473 {
474 platform_device_register(&z2_pxa_keys);
475 }
476 #else
z2_keys_init(void)477 static inline void z2_keys_init(void) {}
478 #endif
479
480 /******************************************************************************
481 * Battery
482 ******************************************************************************/
483 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
484 static struct z2_battery_info batt_chip_info = {
485 .batt_I2C_bus = 0,
486 .batt_I2C_addr = 0x55,
487 .batt_I2C_reg = 2,
488 .charge_gpio = GPIO0_ZIPITZ2_AC_DETECT,
489 .min_voltage = 3475000,
490 .max_voltage = 4190000,
491 .batt_div = 59,
492 .batt_mult = 1000000,
493 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
494 .batt_name = "Z2",
495 };
496
497 static struct i2c_board_info __initdata z2_i2c_board_info[] = {
498 {
499 I2C_BOARD_INFO("aer915", 0x55),
500 .platform_data = &batt_chip_info,
501 }, {
502 I2C_BOARD_INFO("wm8750", 0x1b),
503 },
504
505 };
506
z2_i2c_init(void)507 static void __init z2_i2c_init(void)
508 {
509 pxa_set_i2c_info(NULL);
510 i2c_register_board_info(0, ARRAY_AND_SIZE(z2_i2c_board_info));
511 }
512 #else
z2_i2c_init(void)513 static inline void z2_i2c_init(void) {}
514 #endif
515
516 /******************************************************************************
517 * SSP Devices - WiFi and LCD control
518 ******************************************************************************/
519 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
520 /* WiFi */
z2_lbs_spi_setup(struct spi_device * spi)521 static int z2_lbs_spi_setup(struct spi_device *spi)
522 {
523 int ret = 0;
524
525 ret = gpio_request(GPIO14_ZIPITZ2_WIFI_POWER, "WiFi Power");
526 if (ret)
527 goto err;
528
529 ret = gpio_direction_output(GPIO14_ZIPITZ2_WIFI_POWER, 1);
530 if (ret)
531 goto err2;
532
533 /* Wait until card is powered on */
534 mdelay(180);
535
536 spi->bits_per_word = 16;
537 spi->mode = SPI_MODE_2,
538
539 spi_setup(spi);
540
541 return 0;
542
543 err2:
544 gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
545 err:
546 return ret;
547 };
548
z2_lbs_spi_teardown(struct spi_device * spi)549 static int z2_lbs_spi_teardown(struct spi_device *spi)
550 {
551 gpio_set_value(GPIO14_ZIPITZ2_WIFI_POWER, 0);
552 gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
553
554 return 0;
555 };
556
557 static struct pxa2xx_spi_chip z2_lbs_chip_info = {
558 .rx_threshold = 8,
559 .tx_threshold = 8,
560 .timeout = 1000,
561 .gpio_cs = GPIO24_ZIPITZ2_WIFI_CS,
562 };
563
564 static struct libertas_spi_platform_data z2_lbs_pdata = {
565 .use_dummy_writes = 1,
566 .setup = z2_lbs_spi_setup,
567 .teardown = z2_lbs_spi_teardown,
568 };
569
570 /* LCD */
571 static struct pxa2xx_spi_chip lms283_chip_info = {
572 .rx_threshold = 1,
573 .tx_threshold = 1,
574 .timeout = 64,
575 .gpio_cs = GPIO88_ZIPITZ2_LCD_CS,
576 };
577
578 static const struct lms283gf05_pdata lms283_pdata = {
579 .reset_gpio = GPIO19_ZIPITZ2_LCD_RESET,
580 };
581
582 static struct spi_board_info spi_board_info[] __initdata = {
583 {
584 .modalias = "libertas_spi",
585 .platform_data = &z2_lbs_pdata,
586 .controller_data = &z2_lbs_chip_info,
587 .irq = PXA_GPIO_TO_IRQ(GPIO36_ZIPITZ2_WIFI_IRQ),
588 .max_speed_hz = 13000000,
589 .bus_num = 1,
590 .chip_select = 0,
591 },
592 {
593 .modalias = "lms283gf05",
594 .controller_data = &lms283_chip_info,
595 .platform_data = &lms283_pdata,
596 .max_speed_hz = 400000,
597 .bus_num = 2,
598 .chip_select = 0,
599 },
600 };
601
602 static struct pxa2xx_spi_master pxa_ssp1_master_info = {
603 .num_chipselect = 1,
604 .enable_dma = 1,
605 };
606
607 static struct pxa2xx_spi_master pxa_ssp2_master_info = {
608 .num_chipselect = 1,
609 };
610
z2_spi_init(void)611 static void __init z2_spi_init(void)
612 {
613 pxa2xx_set_spi_info(1, &pxa_ssp1_master_info);
614 pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
615 spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
616 }
617 #else
z2_spi_init(void)618 static inline void z2_spi_init(void) {}
619 #endif
620
621 /******************************************************************************
622 * Core power regulator
623 ******************************************************************************/
624 #if defined(CONFIG_REGULATOR_TPS65023) || \
625 defined(CONFIG_REGULATOR_TPS65023_MODULE)
626 static struct regulator_consumer_supply z2_tps65021_consumers[] = {
627 REGULATOR_SUPPLY("vcc_core", NULL),
628 };
629
630 static struct regulator_init_data z2_tps65021_info[] = {
631 {
632 .constraints = {
633 .name = "vcc_core range",
634 .min_uV = 800000,
635 .max_uV = 1600000,
636 .always_on = 1,
637 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
638 },
639 .consumer_supplies = z2_tps65021_consumers,
640 .num_consumer_supplies = ARRAY_SIZE(z2_tps65021_consumers),
641 }, {
642 .constraints = {
643 .name = "DCDC2",
644 .min_uV = 3300000,
645 .max_uV = 3300000,
646 .always_on = 1,
647 },
648 }, {
649 .constraints = {
650 .name = "DCDC3",
651 .min_uV = 1800000,
652 .max_uV = 1800000,
653 .always_on = 1,
654 },
655 }, {
656 .constraints = {
657 .name = "LDO1",
658 .min_uV = 1000000,
659 .max_uV = 3150000,
660 .always_on = 1,
661 },
662 }, {
663 .constraints = {
664 .name = "LDO2",
665 .min_uV = 1050000,
666 .max_uV = 3300000,
667 .always_on = 1,
668 },
669 }
670 };
671
672 static struct i2c_board_info __initdata z2_pi2c_board_info[] = {
673 {
674 I2C_BOARD_INFO("tps65021", 0x48),
675 .platform_data = &z2_tps65021_info,
676 },
677 };
678
z2_pmic_init(void)679 static void __init z2_pmic_init(void)
680 {
681 pxa27x_set_i2c_power_info(NULL);
682 i2c_register_board_info(1, ARRAY_AND_SIZE(z2_pi2c_board_info));
683 }
684 #else
z2_pmic_init(void)685 static inline void z2_pmic_init(void) {}
686 #endif
687
688 #ifdef CONFIG_PM
z2_power_off(void)689 static void z2_power_off(void)
690 {
691 /* We're using deep sleep as poweroff, so clear PSPR to ensure that
692 * bootloader will jump to its entry point in resume handler
693 */
694 PSPR = 0x0;
695 local_irq_disable();
696 pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
697 pxa27x_cpu_pm_enter(PM_SUSPEND_MEM);
698 }
699 #else
700 #define z2_power_off NULL
701 #endif
702
703 /******************************************************************************
704 * Machine init
705 ******************************************************************************/
z2_init(void)706 static void __init z2_init(void)
707 {
708 pxa2xx_mfp_config(ARRAY_AND_SIZE(z2_pin_config));
709
710 pxa_set_ffuart_info(NULL);
711 pxa_set_btuart_info(NULL);
712 pxa_set_stuart_info(NULL);
713
714 z2_lcd_init();
715 z2_mmc_init();
716 z2_mkp_init();
717 z2_i2c_init();
718 z2_spi_init();
719 z2_nor_init();
720 z2_pwm_init();
721 z2_leds_init();
722 z2_keys_init();
723 z2_pmic_init();
724
725 pm_power_off = z2_power_off;
726 }
727
728 MACHINE_START(ZIPIT2, "Zipit Z2")
729 .atag_offset = 0x100,
730 .map_io = pxa27x_map_io,
731 .nr_irqs = PXA_NR_IRQS,
732 .init_irq = pxa27x_init_irq,
733 .handle_irq = pxa27x_handle_irq,
734 .init_time = pxa_timer_init,
735 .init_machine = z2_init,
736 .restart = pxa_restart,
737 MACHINE_END
738
