1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * linux/arch/arm/mach-pxa/z2.c
4 *
5 * Support for the Zipit Z2 Handheld device.
6 *
7 * Copyright (C) 2009-2010 Marek Vasut <marek.vasut@gmail.com>
8 *
9 * Based on research and code by: Ken McGuire
10 * Based on mainstone.c as modified for the Zipit Z2.
11 */
12
13 #include <linux/platform_device.h>
14 #include <linux/mtd/mtd.h>
15 #include <linux/mtd/partitions.h>
16 #include <linux/pwm.h>
17 #include <linux/pwm_backlight.h>
18 #include <linux/z2_battery.h>
19 #include <linux/dma-mapping.h>
20 #include <linux/spi/spi.h>
21 #include <linux/spi/pxa2xx_spi.h>
22 #include <linux/spi/libertas_spi.h>
23 #include <linux/spi/lms283gf05.h>
24 #include <linux/power_supply.h>
25 #include <linux/mtd/physmap.h>
26 #include <linux/gpio.h>
27 #include <linux/gpio/machine.h>
28 #include <linux/gpio_keys.h>
29 #include <linux/delay.h>
30 #include <linux/regulator/machine.h>
31 #include <linux/platform_data/i2c-pxa.h>
32
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35
36 #include "pxa27x.h"
37 #include "mfp-pxa27x.h"
38 #include <mach/z2.h>
39 #include <linux/platform_data/video-pxafb.h>
40 #include <linux/platform_data/mmc-pxamci.h>
41 #include <linux/platform_data/keypad-pxa27x.h>
42 #include "pm.h"
43
44 #include "generic.h"
45 #include "devices.h"
46
47 /******************************************************************************
48 * Pin configuration
49 ******************************************************************************/
50 static unsigned long z2_pin_config[] = {
51
52 /* LCD - 16bpp Active TFT */
53 GPIO58_LCD_LDD_0,
54 GPIO59_LCD_LDD_1,
55 GPIO60_LCD_LDD_2,
56 GPIO61_LCD_LDD_3,
57 GPIO62_LCD_LDD_4,
58 GPIO63_LCD_LDD_5,
59 GPIO64_LCD_LDD_6,
60 GPIO65_LCD_LDD_7,
61 GPIO66_LCD_LDD_8,
62 GPIO67_LCD_LDD_9,
63 GPIO68_LCD_LDD_10,
64 GPIO69_LCD_LDD_11,
65 GPIO70_LCD_LDD_12,
66 GPIO71_LCD_LDD_13,
67 GPIO72_LCD_LDD_14,
68 GPIO73_LCD_LDD_15,
69 GPIO74_LCD_FCLK,
70 GPIO75_LCD_LCLK,
71 GPIO76_LCD_PCLK,
72 GPIO77_LCD_BIAS,
73 GPIO19_GPIO, /* LCD reset */
74 GPIO88_GPIO, /* LCD chipselect */
75
76 /* PWM */
77 GPIO115_PWM1_OUT, /* Keypad Backlight */
78 GPIO11_PWM2_OUT, /* LCD Backlight */
79
80 /* MMC */
81 GPIO32_MMC_CLK,
82 GPIO112_MMC_CMD,
83 GPIO92_MMC_DAT_0,
84 GPIO109_MMC_DAT_1,
85 GPIO110_MMC_DAT_2,
86 GPIO111_MMC_DAT_3,
87 GPIO96_GPIO, /* SD detect */
88
89 /* STUART */
90 GPIO46_STUART_RXD,
91 GPIO47_STUART_TXD,
92
93 /* Keypad */
94 GPIO100_KP_MKIN_0,
95 GPIO101_KP_MKIN_1,
96 GPIO102_KP_MKIN_2,
97 GPIO34_KP_MKIN_3,
98 GPIO38_KP_MKIN_4,
99 GPIO16_KP_MKIN_5,
100 GPIO17_KP_MKIN_6,
101 GPIO103_KP_MKOUT_0,
102 GPIO104_KP_MKOUT_1,
103 GPIO105_KP_MKOUT_2,
104 GPIO106_KP_MKOUT_3,
105 GPIO107_KP_MKOUT_4,
106 GPIO108_KP_MKOUT_5,
107 GPIO35_KP_MKOUT_6,
108 GPIO41_KP_MKOUT_7,
109
110 /* I2C */
111 GPIO117_I2C_SCL,
112 GPIO118_I2C_SDA,
113
114 /* SSP1 */
115 GPIO23_SSP1_SCLK, /* SSP1_SCK */
116 GPIO25_SSP1_TXD, /* SSP1_TXD */
117 GPIO26_SSP1_RXD, /* SSP1_RXD */
118
119 /* SSP2 */
120 GPIO22_SSP2_SCLK, /* SSP2_SCK */
121 GPIO13_SSP2_TXD, /* SSP2_TXD */
122 GPIO40_SSP2_RXD, /* SSP2_RXD */
123
124 /* LEDs */
125 GPIO10_GPIO, /* WiFi LED */
126 GPIO83_GPIO, /* Charging LED */
127 GPIO85_GPIO, /* Charged LED */
128
129 /* I2S */
130 GPIO28_I2S_BITCLK_OUT,
131 GPIO29_I2S_SDATA_IN,
132 GPIO30_I2S_SDATA_OUT,
133 GPIO31_I2S_SYNC,
134 GPIO113_I2S_SYSCLK,
135
136 /* MISC */
137 GPIO0_GPIO, /* AC power detect */
138 GPIO1_GPIO, /* Power button */
139 GPIO37_GPIO, /* Headphone detect */
140 GPIO98_GPIO, /* Lid switch */
141 GPIO14_GPIO, /* WiFi Power */
142 GPIO24_GPIO, /* WiFi CS */
143 GPIO36_GPIO, /* WiFi IRQ */
144 GPIO88_GPIO, /* LCD CS */
145 };
146
147 /******************************************************************************
148 * NOR Flash
149 ******************************************************************************/
150 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
151 static struct resource z2_flash_resource = {
152 .start = PXA_CS0_PHYS,
153 .end = PXA_CS0_PHYS + SZ_8M - 1,
154 .flags = IORESOURCE_MEM,
155 };
156
157 static struct mtd_partition z2_flash_parts[] = {
158 {
159 .name = "U-Boot Bootloader",
160 .offset = 0x0,
161 .size = 0x40000,
162 }, {
163 .name = "U-Boot Environment",
164 .offset = 0x40000,
165 .size = 0x20000,
166 }, {
167 .name = "Flash",
168 .offset = 0x60000,
169 .size = MTDPART_SIZ_FULL,
170 },
171 };
172
173 static struct physmap_flash_data z2_flash_data = {
174 .width = 2,
175 .parts = z2_flash_parts,
176 .nr_parts = ARRAY_SIZE(z2_flash_parts),
177 };
178
179 static struct platform_device z2_flash = {
180 .name = "physmap-flash",
181 .id = -1,
182 .resource = &z2_flash_resource,
183 .num_resources = 1,
184 .dev = {
185 .platform_data = &z2_flash_data,
186 },
187 };
188
z2_nor_init(void)189 static void __init z2_nor_init(void)
190 {
191 platform_device_register(&z2_flash);
192 }
193 #else
z2_nor_init(void)194 static inline void z2_nor_init(void) {}
195 #endif
196
197 /******************************************************************************
198 * Backlight
199 ******************************************************************************/
200 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
201 static struct pwm_lookup z2_pwm_lookup[] = {
202 PWM_LOOKUP("pxa27x-pwm.1", 0, "pwm-backlight.0", NULL, 1260320,
203 PWM_POLARITY_NORMAL),
204 PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.1", NULL, 1260320,
205 PWM_POLARITY_NORMAL),
206 };
207
208 static struct platform_pwm_backlight_data z2_backlight_data[] = {
209 [0] = {
210 /* Keypad Backlight */
211 .max_brightness = 1023,
212 .dft_brightness = 0,
213 },
214 [1] = {
215 /* LCD Backlight */
216 .max_brightness = 1023,
217 .dft_brightness = 512,
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 pwm_add_table(z2_pwm_lookup, ARRAY_SIZE(z2_pwm_lookup));
240 platform_device_register(&z2_backlight_devices[0]);
241 platform_device_register(&z2_backlight_devices[1]);
242 }
243 #else
z2_pwm_init(void)244 static inline void z2_pwm_init(void) {}
245 #endif
246
247 /******************************************************************************
248 * Framebuffer
249 ******************************************************************************/
250 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
251 static struct pxafb_mode_info z2_lcd_modes[] = {
252 {
253 .pixclock = 192000,
254 .xres = 240,
255 .yres = 320,
256 .bpp = 16,
257
258 .left_margin = 4,
259 .right_margin = 8,
260 .upper_margin = 4,
261 .lower_margin = 8,
262
263 .hsync_len = 4,
264 .vsync_len = 4,
265 },
266 };
267
268 static struct pxafb_mach_info z2_lcd_screen = {
269 .modes = z2_lcd_modes,
270 .num_modes = ARRAY_SIZE(z2_lcd_modes),
271 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_BIAS_ACTIVE_LOW |
272 LCD_ALTERNATE_MAPPING,
273 };
274
z2_lcd_init(void)275 static void __init z2_lcd_init(void)
276 {
277 pxa_set_fb_info(NULL, &z2_lcd_screen);
278 }
279 #else
z2_lcd_init(void)280 static inline void z2_lcd_init(void) {}
281 #endif
282
283 /******************************************************************************
284 * SD/MMC card controller
285 ******************************************************************************/
286 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
287 static struct pxamci_platform_data z2_mci_platform_data = {
288 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
289 .detect_delay_ms = 200,
290 };
291
292 static struct gpiod_lookup_table z2_mci_gpio_table = {
293 .dev_id = "pxa2xx-mci.0",
294 .table = {
295 GPIO_LOOKUP("gpio-pxa", GPIO96_ZIPITZ2_SD_DETECT,
296 "cd", GPIO_ACTIVE_LOW),
297 { },
298 },
299 };
300
z2_mmc_init(void)301 static void __init z2_mmc_init(void)
302 {
303 gpiod_add_lookup_table(&z2_mci_gpio_table);
304 pxa_set_mci_info(&z2_mci_platform_data);
305 }
306 #else
z2_mmc_init(void)307 static inline void z2_mmc_init(void) {}
308 #endif
309
310 /******************************************************************************
311 * LEDs
312 ******************************************************************************/
313 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
314 struct gpio_led z2_gpio_leds[] = {
315 {
316 .name = "z2:green:wifi",
317 .default_trigger = "none",
318 .gpio = GPIO10_ZIPITZ2_LED_WIFI,
319 .active_low = 1,
320 }, {
321 .name = "z2:green:charged",
322 .default_trigger = "mmc0",
323 .gpio = GPIO85_ZIPITZ2_LED_CHARGED,
324 .active_low = 1,
325 }, {
326 .name = "z2:amber:charging",
327 .default_trigger = "Z2-charging-or-full",
328 .gpio = GPIO83_ZIPITZ2_LED_CHARGING,
329 .active_low = 1,
330 },
331 };
332
333 static struct gpio_led_platform_data z2_gpio_led_info = {
334 .leds = z2_gpio_leds,
335 .num_leds = ARRAY_SIZE(z2_gpio_leds),
336 };
337
338 static struct platform_device z2_leds = {
339 .name = "leds-gpio",
340 .id = -1,
341 .dev = {
342 .platform_data = &z2_gpio_led_info,
343 }
344 };
345
z2_leds_init(void)346 static void __init z2_leds_init(void)
347 {
348 platform_device_register(&z2_leds);
349 }
350 #else
z2_leds_init(void)351 static inline void z2_leds_init(void) {}
352 #endif
353
354 /******************************************************************************
355 * GPIO keyboard
356 ******************************************************************************/
357 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
358 static const unsigned int z2_matrix_keys[] = {
359 KEY(0, 0, KEY_OPTION),
360 KEY(1, 0, KEY_UP),
361 KEY(2, 0, KEY_DOWN),
362 KEY(3, 0, KEY_LEFT),
363 KEY(4, 0, KEY_RIGHT),
364 KEY(5, 0, KEY_END),
365 KEY(6, 0, KEY_KPPLUS),
366
367 KEY(0, 1, KEY_HOME),
368 KEY(1, 1, KEY_Q),
369 KEY(2, 1, KEY_I),
370 KEY(3, 1, KEY_G),
371 KEY(4, 1, KEY_X),
372 KEY(5, 1, KEY_ENTER),
373 KEY(6, 1, KEY_KPMINUS),
374
375 KEY(0, 2, KEY_PAGEUP),
376 KEY(1, 2, KEY_W),
377 KEY(2, 2, KEY_O),
378 KEY(3, 2, KEY_H),
379 KEY(4, 2, KEY_C),
380 KEY(5, 2, KEY_LEFTALT),
381
382 KEY(0, 3, KEY_PAGEDOWN),
383 KEY(1, 3, KEY_E),
384 KEY(2, 3, KEY_P),
385 KEY(3, 3, KEY_J),
386 KEY(4, 3, KEY_V),
387 KEY(5, 3, KEY_LEFTSHIFT),
388
389 KEY(0, 4, KEY_ESC),
390 KEY(1, 4, KEY_R),
391 KEY(2, 4, KEY_A),
392 KEY(3, 4, KEY_K),
393 KEY(4, 4, KEY_B),
394 KEY(5, 4, KEY_LEFTCTRL),
395
396 KEY(0, 5, KEY_TAB),
397 KEY(1, 5, KEY_T),
398 KEY(2, 5, KEY_S),
399 KEY(3, 5, KEY_L),
400 KEY(4, 5, KEY_N),
401 KEY(5, 5, KEY_SPACE),
402
403 KEY(0, 6, KEY_STOPCD),
404 KEY(1, 6, KEY_Y),
405 KEY(2, 6, KEY_D),
406 KEY(3, 6, KEY_BACKSPACE),
407 KEY(4, 6, KEY_M),
408 KEY(5, 6, KEY_COMMA),
409
410 KEY(0, 7, KEY_PLAYCD),
411 KEY(1, 7, KEY_U),
412 KEY(2, 7, KEY_F),
413 KEY(3, 7, KEY_Z),
414 KEY(4, 7, KEY_SEMICOLON),
415 KEY(5, 7, KEY_DOT),
416 };
417
418 static struct matrix_keymap_data z2_matrix_keymap_data = {
419 .keymap = z2_matrix_keys,
420 .keymap_size = ARRAY_SIZE(z2_matrix_keys),
421 };
422
423 static struct pxa27x_keypad_platform_data z2_keypad_platform_data = {
424 .matrix_key_rows = 7,
425 .matrix_key_cols = 8,
426 .matrix_keymap_data = &z2_matrix_keymap_data,
427
428 .debounce_interval = 30,
429 };
430
z2_mkp_init(void)431 static void __init z2_mkp_init(void)
432 {
433 pxa_set_keypad_info(&z2_keypad_platform_data);
434 }
435 #else
z2_mkp_init(void)436 static inline void z2_mkp_init(void) {}
437 #endif
438
439 /******************************************************************************
440 * GPIO keys
441 ******************************************************************************/
442 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
443 static struct gpio_keys_button z2_pxa_buttons[] = {
444 {
445 .code = KEY_POWER,
446 .gpio = GPIO1_ZIPITZ2_POWER_BUTTON,
447 .active_low = 0,
448 .desc = "Power Button",
449 .wakeup = 1,
450 .type = EV_KEY,
451 },
452 {
453 .code = SW_LID,
454 .gpio = GPIO98_ZIPITZ2_LID_BUTTON,
455 .active_low = 1,
456 .desc = "Lid Switch",
457 .wakeup = 0,
458 .type = EV_SW,
459 },
460 };
461
462 static struct gpio_keys_platform_data z2_pxa_keys_data = {
463 .buttons = z2_pxa_buttons,
464 .nbuttons = ARRAY_SIZE(z2_pxa_buttons),
465 };
466
467 static struct platform_device z2_pxa_keys = {
468 .name = "gpio-keys",
469 .id = -1,
470 .dev = {
471 .platform_data = &z2_pxa_keys_data,
472 },
473 };
474
z2_keys_init(void)475 static void __init z2_keys_init(void)
476 {
477 platform_device_register(&z2_pxa_keys);
478 }
479 #else
z2_keys_init(void)480 static inline void z2_keys_init(void) {}
481 #endif
482
483 /******************************************************************************
484 * Battery
485 ******************************************************************************/
486 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
487 static struct z2_battery_info batt_chip_info = {
488 .batt_I2C_bus = 0,
489 .batt_I2C_addr = 0x55,
490 .batt_I2C_reg = 2,
491 .charge_gpio = GPIO0_ZIPITZ2_AC_DETECT,
492 .min_voltage = 3475000,
493 .max_voltage = 4190000,
494 .batt_div = 59,
495 .batt_mult = 1000000,
496 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
497 .batt_name = "Z2",
498 };
499
500 static struct i2c_board_info __initdata z2_i2c_board_info[] = {
501 {
502 I2C_BOARD_INFO("aer915", 0x55),
503 .platform_data = &batt_chip_info,
504 }, {
505 I2C_BOARD_INFO("wm8750", 0x1b),
506 },
507
508 };
509
z2_i2c_init(void)510 static void __init z2_i2c_init(void)
511 {
512 pxa_set_i2c_info(NULL);
513 i2c_register_board_info(0, ARRAY_AND_SIZE(z2_i2c_board_info));
514 }
515 #else
z2_i2c_init(void)516 static inline void z2_i2c_init(void) {}
517 #endif
518
519 /******************************************************************************
520 * SSP Devices - WiFi and LCD control
521 ******************************************************************************/
522 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
523 /* WiFi */
z2_lbs_spi_setup(struct spi_device * spi)524 static int z2_lbs_spi_setup(struct spi_device *spi)
525 {
526 int ret = 0;
527
528 ret = gpio_request(GPIO14_ZIPITZ2_WIFI_POWER, "WiFi Power");
529 if (ret)
530 goto err;
531
532 ret = gpio_direction_output(GPIO14_ZIPITZ2_WIFI_POWER, 1);
533 if (ret)
534 goto err2;
535
536 /* Wait until card is powered on */
537 mdelay(180);
538
539 spi->bits_per_word = 16;
540 spi->mode = SPI_MODE_2,
541
542 spi_setup(spi);
543
544 return 0;
545
546 err2:
547 gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
548 err:
549 return ret;
550 };
551
z2_lbs_spi_teardown(struct spi_device * spi)552 static int z2_lbs_spi_teardown(struct spi_device *spi)
553 {
554 gpio_set_value(GPIO14_ZIPITZ2_WIFI_POWER, 0);
555 gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
556
557 return 0;
558 };
559
560 static struct pxa2xx_spi_chip z2_lbs_chip_info = {
561 .rx_threshold = 8,
562 .tx_threshold = 8,
563 .timeout = 1000,
564 .gpio_cs = GPIO24_ZIPITZ2_WIFI_CS,
565 };
566
567 static struct libertas_spi_platform_data z2_lbs_pdata = {
568 .use_dummy_writes = 1,
569 .setup = z2_lbs_spi_setup,
570 .teardown = z2_lbs_spi_teardown,
571 };
572
573 /* LCD */
574 static struct pxa2xx_spi_chip lms283_chip_info = {
575 .rx_threshold = 1,
576 .tx_threshold = 1,
577 .timeout = 64,
578 .gpio_cs = GPIO88_ZIPITZ2_LCD_CS,
579 };
580
581 static const struct lms283gf05_pdata lms283_pdata = {
582 .reset_gpio = GPIO19_ZIPITZ2_LCD_RESET,
583 };
584
585 static struct spi_board_info spi_board_info[] __initdata = {
586 {
587 .modalias = "libertas_spi",
588 .platform_data = &z2_lbs_pdata,
589 .controller_data = &z2_lbs_chip_info,
590 .irq = PXA_GPIO_TO_IRQ(GPIO36_ZIPITZ2_WIFI_IRQ),
591 .max_speed_hz = 13000000,
592 .bus_num = 1,
593 .chip_select = 0,
594 },
595 {
596 .modalias = "lms283gf05",
597 .controller_data = &lms283_chip_info,
598 .platform_data = &lms283_pdata,
599 .max_speed_hz = 400000,
600 .bus_num = 2,
601 .chip_select = 0,
602 },
603 };
604
605 static struct pxa2xx_spi_controller pxa_ssp1_master_info = {
606 .num_chipselect = 1,
607 .enable_dma = 1,
608 };
609
610 static struct pxa2xx_spi_controller pxa_ssp2_master_info = {
611 .num_chipselect = 1,
612 };
613
z2_spi_init(void)614 static void __init z2_spi_init(void)
615 {
616 pxa2xx_set_spi_info(1, &pxa_ssp1_master_info);
617 pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
618 spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
619 }
620 #else
z2_spi_init(void)621 static inline void z2_spi_init(void) {}
622 #endif
623
624 /******************************************************************************
625 * Core power regulator
626 ******************************************************************************/
627 #if defined(CONFIG_REGULATOR_TPS65023) || \
628 defined(CONFIG_REGULATOR_TPS65023_MODULE)
629 static struct regulator_consumer_supply z2_tps65021_consumers[] = {
630 REGULATOR_SUPPLY("vcc_core", NULL),
631 };
632
633 static struct regulator_init_data z2_tps65021_info[] = {
634 {
635 .constraints = {
636 .name = "vcc_core range",
637 .min_uV = 800000,
638 .max_uV = 1600000,
639 .always_on = 1,
640 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
641 },
642 .consumer_supplies = z2_tps65021_consumers,
643 .num_consumer_supplies = ARRAY_SIZE(z2_tps65021_consumers),
644 }, {
645 .constraints = {
646 .name = "DCDC2",
647 .min_uV = 3300000,
648 .max_uV = 3300000,
649 .always_on = 1,
650 },
651 }, {
652 .constraints = {
653 .name = "DCDC3",
654 .min_uV = 1800000,
655 .max_uV = 1800000,
656 .always_on = 1,
657 },
658 }, {
659 .constraints = {
660 .name = "LDO1",
661 .min_uV = 1000000,
662 .max_uV = 3150000,
663 .always_on = 1,
664 },
665 }, {
666 .constraints = {
667 .name = "LDO2",
668 .min_uV = 1050000,
669 .max_uV = 3300000,
670 .always_on = 1,
671 },
672 }
673 };
674
675 static struct i2c_board_info __initdata z2_pi2c_board_info[] = {
676 {
677 I2C_BOARD_INFO("tps65021", 0x48),
678 .platform_data = &z2_tps65021_info,
679 },
680 };
681
z2_pmic_init(void)682 static void __init z2_pmic_init(void)
683 {
684 pxa27x_set_i2c_power_info(NULL);
685 i2c_register_board_info(1, ARRAY_AND_SIZE(z2_pi2c_board_info));
686 }
687 #else
z2_pmic_init(void)688 static inline void z2_pmic_init(void) {}
689 #endif
690
691 #ifdef CONFIG_PM
z2_power_off(void)692 static void z2_power_off(void)
693 {
694 /* We're using deep sleep as poweroff, so clear PSPR to ensure that
695 * bootloader will jump to its entry point in resume handler
696 */
697 PSPR = 0x0;
698 local_irq_disable();
699 pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
700 pxa27x_cpu_pm_enter(PM_SUSPEND_MEM);
701 }
702 #else
703 #define z2_power_off NULL
704 #endif
705
706 /******************************************************************************
707 * Machine init
708 ******************************************************************************/
z2_init(void)709 static void __init z2_init(void)
710 {
711 pxa2xx_mfp_config(ARRAY_AND_SIZE(z2_pin_config));
712
713 pxa_set_ffuart_info(NULL);
714 pxa_set_btuart_info(NULL);
715 pxa_set_stuart_info(NULL);
716
717 z2_lcd_init();
718 z2_mmc_init();
719 z2_mkp_init();
720 z2_i2c_init();
721 z2_spi_init();
722 z2_nor_init();
723 z2_pwm_init();
724 z2_leds_init();
725 z2_keys_init();
726 z2_pmic_init();
727
728 pm_power_off = z2_power_off;
729 }
730
731 MACHINE_START(ZIPIT2, "Zipit Z2")
732 .atag_offset = 0x100,
733 .map_io = pxa27x_map_io,
734 .nr_irqs = PXA_NR_IRQS,
735 .init_irq = pxa27x_init_irq,
736 .handle_irq = pxa27x_handle_irq,
737 .init_time = pxa_timer_init,
738 .init_machine = z2_init,
739 .restart = pxa_restart,
740 MACHINE_END
741