Loading...
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 ******************************************************************************/
51static 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)
152static struct resource z2_flash_resource = {
153 .start = PXA_CS0_PHYS,
154 .end = PXA_CS0_PHYS + SZ_8M - 1,
155 .flags = IORESOURCE_MEM,
156};
157
158static 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
174static 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
180static 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
190static void __init z2_nor_init(void)
191{
192 platform_device_register(&z2_flash);
193}
194#else
195static inline void z2_nor_init(void) {}
196#endif
197
198/******************************************************************************
199 * Backlight
200 ******************************************************************************/
201#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
202static 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
221static 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};
237static 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
243static inline void z2_pwm_init(void) {}
244#endif
245
246/******************************************************************************
247 * Framebuffer
248 ******************************************************************************/
249#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
250static 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
267static 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
274static void __init z2_lcd_init(void)
275{
276 pxa_set_fb_info(NULL, &z2_lcd_screen);
277}
278#else
279static 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)
286static 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
294static void __init z2_mmc_init(void)
295{
296 pxa_set_mci_info(&z2_mci_platform_data);
297}
298#else
299static inline void z2_mmc_init(void) {}
300#endif
301
302/******************************************************************************
303 * LEDs
304 ******************************************************************************/
305#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
306struct 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
325static struct gpio_led_platform_data z2_gpio_led_info = {
326 .leds = z2_gpio_leds,
327 .num_leds = ARRAY_SIZE(z2_gpio_leds),
328};
329
330static struct platform_device z2_leds = {
331 .name = "leds-gpio",
332 .id = -1,
333 .dev = {
334 .platform_data = &z2_gpio_led_info,
335 }
336};
337
338static void __init z2_leds_init(void)
339{
340 platform_device_register(&z2_leds);
341}
342#else
343static 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)
350static 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
410static struct matrix_keymap_data z2_matrix_keymap_data = {
411 .keymap = z2_matrix_keys,
412 .keymap_size = ARRAY_SIZE(z2_matrix_keys),
413};
414
415static 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
423static void __init z2_mkp_init(void)
424{
425 pxa_set_keypad_info(&z2_keypad_platform_data);
426}
427#else
428static 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)
435static 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
454static struct gpio_keys_platform_data z2_pxa_keys_data = {
455 .buttons = z2_pxa_buttons,
456 .nbuttons = ARRAY_SIZE(z2_pxa_buttons),
457};
458
459static 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
467static void __init z2_keys_init(void)
468{
469 platform_device_register(&z2_pxa_keys);
470}
471#else
472static inline void z2_keys_init(void) {}
473#endif
474
475/******************************************************************************
476 * Battery
477 ******************************************************************************/
478#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
479static 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
492static 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
502static 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
508static 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 */
516static 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
538err2:
539 gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
540err:
541 return ret;
542};
543
544static 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
552static 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
559static 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 */
566static 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
573static const struct lms283gf05_pdata lms283_pdata = {
574 .reset_gpio = GPIO19_ZIPITZ2_LCD_RESET,
575};
576
577static 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
597static struct pxa2xx_spi_master pxa_ssp1_master_info = {
598 .clock_enable = CKEN_SSP,
599 .num_chipselect = 1,
600 .enable_dma = 1,
601};
602
603static struct pxa2xx_spi_master pxa_ssp2_master_info = {
604 .clock_enable = CKEN_SSP2,
605 .num_chipselect = 1,
606};
607
608static 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
615static 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)
623static struct regulator_consumer_supply z2_tps65021_consumers[] = {
624 REGULATOR_SUPPLY("vcc_core", NULL),
625};
626
627static 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
669static 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
676static 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
682static inline void z2_pmic_init(void) {}
683#endif
684
685#ifdef CONFIG_PM
686static 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 ******************************************************************************/
703static 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
725MACHINE_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,
734MACHINE_END
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/power_supply.h>
24#include <linux/mtd/physmap.h>
25#include <linux/gpio.h>
26#include <linux/gpio/machine.h>
27#include <linux/gpio_keys.h>
28#include <linux/delay.h>
29#include <linux/regulator/machine.h>
30#include <linux/platform_data/i2c-pxa.h>
31
32#include <asm/mach-types.h>
33#include <asm/mach/arch.h>
34
35#include "pxa27x.h"
36#include "mfp-pxa27x.h"
37#include <mach/z2.h>
38#include <linux/platform_data/video-pxafb.h>
39#include <linux/platform_data/mmc-pxamci.h>
40#include <linux/platform_data/keypad-pxa27x.h>
41#include "pm.h"
42
43#include "generic.h"
44#include "devices.h"
45
46/******************************************************************************
47 * Pin configuration
48 ******************************************************************************/
49static unsigned long z2_pin_config[] = {
50
51 /* LCD - 16bpp Active TFT */
52 GPIO58_LCD_LDD_0,
53 GPIO59_LCD_LDD_1,
54 GPIO60_LCD_LDD_2,
55 GPIO61_LCD_LDD_3,
56 GPIO62_LCD_LDD_4,
57 GPIO63_LCD_LDD_5,
58 GPIO64_LCD_LDD_6,
59 GPIO65_LCD_LDD_7,
60 GPIO66_LCD_LDD_8,
61 GPIO67_LCD_LDD_9,
62 GPIO68_LCD_LDD_10,
63 GPIO69_LCD_LDD_11,
64 GPIO70_LCD_LDD_12,
65 GPIO71_LCD_LDD_13,
66 GPIO72_LCD_LDD_14,
67 GPIO73_LCD_LDD_15,
68 GPIO74_LCD_FCLK,
69 GPIO75_LCD_LCLK,
70 GPIO76_LCD_PCLK,
71 GPIO77_LCD_BIAS,
72 GPIO19_GPIO, /* LCD reset */
73 GPIO88_GPIO, /* LCD chipselect */
74
75 /* PWM */
76 GPIO115_PWM1_OUT, /* Keypad Backlight */
77 GPIO11_PWM2_OUT, /* LCD Backlight */
78
79 /* MMC */
80 GPIO32_MMC_CLK,
81 GPIO112_MMC_CMD,
82 GPIO92_MMC_DAT_0,
83 GPIO109_MMC_DAT_1,
84 GPIO110_MMC_DAT_2,
85 GPIO111_MMC_DAT_3,
86 GPIO96_GPIO, /* SD detect */
87
88 /* STUART */
89 GPIO46_STUART_RXD,
90 GPIO47_STUART_TXD,
91
92 /* Keypad */
93 GPIO100_KP_MKIN_0,
94 GPIO101_KP_MKIN_1,
95 GPIO102_KP_MKIN_2,
96 GPIO34_KP_MKIN_3,
97 GPIO38_KP_MKIN_4,
98 GPIO16_KP_MKIN_5,
99 GPIO17_KP_MKIN_6,
100 GPIO103_KP_MKOUT_0,
101 GPIO104_KP_MKOUT_1,
102 GPIO105_KP_MKOUT_2,
103 GPIO106_KP_MKOUT_3,
104 GPIO107_KP_MKOUT_4,
105 GPIO108_KP_MKOUT_5,
106 GPIO35_KP_MKOUT_6,
107 GPIO41_KP_MKOUT_7,
108
109 /* I2C */
110 GPIO117_I2C_SCL,
111 GPIO118_I2C_SDA,
112
113 /* SSP1 */
114 GPIO23_SSP1_SCLK, /* SSP1_SCK */
115 GPIO25_SSP1_TXD, /* SSP1_TXD */
116 GPIO26_SSP1_RXD, /* SSP1_RXD */
117
118 /* SSP2 */
119 GPIO22_SSP2_SCLK, /* SSP2_SCK */
120 GPIO13_SSP2_TXD, /* SSP2_TXD */
121 GPIO40_SSP2_RXD, /* SSP2_RXD */
122
123 /* LEDs */
124 GPIO10_GPIO, /* WiFi LED */
125 GPIO83_GPIO, /* Charging LED */
126 GPIO85_GPIO, /* Charged LED */
127
128 /* I2S */
129 GPIO28_I2S_BITCLK_OUT,
130 GPIO29_I2S_SDATA_IN,
131 GPIO30_I2S_SDATA_OUT,
132 GPIO31_I2S_SYNC,
133 GPIO113_I2S_SYSCLK,
134
135 /* MISC */
136 GPIO0_GPIO, /* AC power detect */
137 GPIO1_GPIO, /* Power button */
138 GPIO37_GPIO, /* Headphone detect */
139 GPIO98_GPIO, /* Lid switch */
140 GPIO14_GPIO, /* WiFi Power */
141 GPIO24_GPIO, /* WiFi CS */
142 GPIO36_GPIO, /* WiFi IRQ */
143 GPIO88_GPIO, /* LCD CS */
144};
145
146/******************************************************************************
147 * NOR Flash
148 ******************************************************************************/
149#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
150static struct resource z2_flash_resource = {
151 .start = PXA_CS0_PHYS,
152 .end = PXA_CS0_PHYS + SZ_8M - 1,
153 .flags = IORESOURCE_MEM,
154};
155
156static struct mtd_partition z2_flash_parts[] = {
157 {
158 .name = "U-Boot Bootloader",
159 .offset = 0x0,
160 .size = 0x40000,
161 }, {
162 .name = "U-Boot Environment",
163 .offset = 0x40000,
164 .size = 0x20000,
165 }, {
166 .name = "Flash",
167 .offset = 0x60000,
168 .size = MTDPART_SIZ_FULL,
169 },
170};
171
172static struct physmap_flash_data z2_flash_data = {
173 .width = 2,
174 .parts = z2_flash_parts,
175 .nr_parts = ARRAY_SIZE(z2_flash_parts),
176};
177
178static struct platform_device z2_flash = {
179 .name = "physmap-flash",
180 .id = -1,
181 .resource = &z2_flash_resource,
182 .num_resources = 1,
183 .dev = {
184 .platform_data = &z2_flash_data,
185 },
186};
187
188static void __init z2_nor_init(void)
189{
190 platform_device_register(&z2_flash);
191}
192#else
193static inline void z2_nor_init(void) {}
194#endif
195
196/******************************************************************************
197 * Backlight
198 ******************************************************************************/
199#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
200static struct pwm_lookup z2_pwm_lookup[] = {
201 PWM_LOOKUP("pxa27x-pwm.1", 0, "pwm-backlight.0", NULL, 1260320,
202 PWM_POLARITY_NORMAL),
203 PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.1", NULL, 1260320,
204 PWM_POLARITY_NORMAL),
205};
206
207static struct platform_pwm_backlight_data z2_backlight_data[] = {
208 [0] = {
209 /* Keypad Backlight */
210 .max_brightness = 1023,
211 .dft_brightness = 0,
212 },
213 [1] = {
214 /* LCD Backlight */
215 .max_brightness = 1023,
216 .dft_brightness = 512,
217 },
218};
219
220static struct platform_device z2_backlight_devices[2] = {
221 {
222 .name = "pwm-backlight",
223 .id = 0,
224 .dev = {
225 .platform_data = &z2_backlight_data[1],
226 },
227 },
228 {
229 .name = "pwm-backlight",
230 .id = 1,
231 .dev = {
232 .platform_data = &z2_backlight_data[0],
233 },
234 },
235};
236static void __init z2_pwm_init(void)
237{
238 pwm_add_table(z2_pwm_lookup, ARRAY_SIZE(z2_pwm_lookup));
239 platform_device_register(&z2_backlight_devices[0]);
240 platform_device_register(&z2_backlight_devices[1]);
241}
242#else
243static inline void z2_pwm_init(void) {}
244#endif
245
246/******************************************************************************
247 * Framebuffer
248 ******************************************************************************/
249#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
250static 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
267static 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
274static void __init z2_lcd_init(void)
275{
276 pxa_set_fb_info(NULL, &z2_lcd_screen);
277}
278#else
279static 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)
286static struct pxamci_platform_data z2_mci_platform_data = {
287 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
288 .detect_delay_ms = 200,
289};
290
291static struct gpiod_lookup_table z2_mci_gpio_table = {
292 .dev_id = "pxa2xx-mci.0",
293 .table = {
294 GPIO_LOOKUP("gpio-pxa", GPIO96_ZIPITZ2_SD_DETECT,
295 "cd", GPIO_ACTIVE_LOW),
296 { },
297 },
298};
299
300static void __init z2_mmc_init(void)
301{
302 gpiod_add_lookup_table(&z2_mci_gpio_table);
303 pxa_set_mci_info(&z2_mci_platform_data);
304}
305#else
306static inline void z2_mmc_init(void) {}
307#endif
308
309/******************************************************************************
310 * LEDs
311 ******************************************************************************/
312#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
313struct gpio_led z2_gpio_leds[] = {
314{
315 .name = "z2:green:wifi",
316 .default_trigger = "none",
317 .gpio = GPIO10_ZIPITZ2_LED_WIFI,
318 .active_low = 1,
319}, {
320 .name = "z2:green:charged",
321 .default_trigger = "mmc0",
322 .gpio = GPIO85_ZIPITZ2_LED_CHARGED,
323 .active_low = 1,
324}, {
325 .name = "z2:amber:charging",
326 .default_trigger = "Z2-charging-or-full",
327 .gpio = GPIO83_ZIPITZ2_LED_CHARGING,
328 .active_low = 1,
329},
330};
331
332static struct gpio_led_platform_data z2_gpio_led_info = {
333 .leds = z2_gpio_leds,
334 .num_leds = ARRAY_SIZE(z2_gpio_leds),
335};
336
337static struct platform_device z2_leds = {
338 .name = "leds-gpio",
339 .id = -1,
340 .dev = {
341 .platform_data = &z2_gpio_led_info,
342 }
343};
344
345static void __init z2_leds_init(void)
346{
347 platform_device_register(&z2_leds);
348}
349#else
350static inline void z2_leds_init(void) {}
351#endif
352
353/******************************************************************************
354 * GPIO keyboard
355 ******************************************************************************/
356#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
357static const unsigned int z2_matrix_keys[] = {
358 KEY(0, 0, KEY_OPTION),
359 KEY(1, 0, KEY_UP),
360 KEY(2, 0, KEY_DOWN),
361 KEY(3, 0, KEY_LEFT),
362 KEY(4, 0, KEY_RIGHT),
363 KEY(5, 0, KEY_END),
364 KEY(6, 0, KEY_KPPLUS),
365
366 KEY(0, 1, KEY_HOME),
367 KEY(1, 1, KEY_Q),
368 KEY(2, 1, KEY_I),
369 KEY(3, 1, KEY_G),
370 KEY(4, 1, KEY_X),
371 KEY(5, 1, KEY_ENTER),
372 KEY(6, 1, KEY_KPMINUS),
373
374 KEY(0, 2, KEY_PAGEUP),
375 KEY(1, 2, KEY_W),
376 KEY(2, 2, KEY_O),
377 KEY(3, 2, KEY_H),
378 KEY(4, 2, KEY_C),
379 KEY(5, 2, KEY_LEFTALT),
380
381 KEY(0, 3, KEY_PAGEDOWN),
382 KEY(1, 3, KEY_E),
383 KEY(2, 3, KEY_P),
384 KEY(3, 3, KEY_J),
385 KEY(4, 3, KEY_V),
386 KEY(5, 3, KEY_LEFTSHIFT),
387
388 KEY(0, 4, KEY_ESC),
389 KEY(1, 4, KEY_R),
390 KEY(2, 4, KEY_A),
391 KEY(3, 4, KEY_K),
392 KEY(4, 4, KEY_B),
393 KEY(5, 4, KEY_LEFTCTRL),
394
395 KEY(0, 5, KEY_TAB),
396 KEY(1, 5, KEY_T),
397 KEY(2, 5, KEY_S),
398 KEY(3, 5, KEY_L),
399 KEY(4, 5, KEY_N),
400 KEY(5, 5, KEY_SPACE),
401
402 KEY(0, 6, KEY_STOPCD),
403 KEY(1, 6, KEY_Y),
404 KEY(2, 6, KEY_D),
405 KEY(3, 6, KEY_BACKSPACE),
406 KEY(4, 6, KEY_M),
407 KEY(5, 6, KEY_COMMA),
408
409 KEY(0, 7, KEY_PLAYCD),
410 KEY(1, 7, KEY_U),
411 KEY(2, 7, KEY_F),
412 KEY(3, 7, KEY_Z),
413 KEY(4, 7, KEY_SEMICOLON),
414 KEY(5, 7, KEY_DOT),
415};
416
417static struct matrix_keymap_data z2_matrix_keymap_data = {
418 .keymap = z2_matrix_keys,
419 .keymap_size = ARRAY_SIZE(z2_matrix_keys),
420};
421
422static struct pxa27x_keypad_platform_data z2_keypad_platform_data = {
423 .matrix_key_rows = 7,
424 .matrix_key_cols = 8,
425 .matrix_keymap_data = &z2_matrix_keymap_data,
426
427 .debounce_interval = 30,
428};
429
430static void __init z2_mkp_init(void)
431{
432 pxa_set_keypad_info(&z2_keypad_platform_data);
433}
434#else
435static inline void z2_mkp_init(void) {}
436#endif
437
438/******************************************************************************
439 * GPIO keys
440 ******************************************************************************/
441#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
442static struct gpio_keys_button z2_pxa_buttons[] = {
443 {
444 .code = KEY_POWER,
445 .gpio = GPIO1_ZIPITZ2_POWER_BUTTON,
446 .active_low = 0,
447 .desc = "Power Button",
448 .wakeup = 1,
449 .type = EV_KEY,
450 },
451 {
452 .code = SW_LID,
453 .gpio = GPIO98_ZIPITZ2_LID_BUTTON,
454 .active_low = 1,
455 .desc = "Lid Switch",
456 .wakeup = 0,
457 .type = EV_SW,
458 },
459};
460
461static struct gpio_keys_platform_data z2_pxa_keys_data = {
462 .buttons = z2_pxa_buttons,
463 .nbuttons = ARRAY_SIZE(z2_pxa_buttons),
464};
465
466static struct platform_device z2_pxa_keys = {
467 .name = "gpio-keys",
468 .id = -1,
469 .dev = {
470 .platform_data = &z2_pxa_keys_data,
471 },
472};
473
474static void __init z2_keys_init(void)
475{
476 platform_device_register(&z2_pxa_keys);
477}
478#else
479static inline void z2_keys_init(void) {}
480#endif
481
482/******************************************************************************
483 * Battery
484 ******************************************************************************/
485#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
486static struct z2_battery_info batt_chip_info = {
487 .batt_I2C_bus = 0,
488 .batt_I2C_addr = 0x55,
489 .batt_I2C_reg = 2,
490 .min_voltage = 3475000,
491 .max_voltage = 4190000,
492 .batt_div = 59,
493 .batt_mult = 1000000,
494 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
495 .batt_name = "Z2",
496};
497
498static struct gpiod_lookup_table z2_battery_gpio_table = {
499 .dev_id = "aer915",
500 .table = {
501 GPIO_LOOKUP("gpio-pxa", GPIO0_ZIPITZ2_AC_DETECT,
502 NULL, GPIO_ACTIVE_HIGH),
503 { },
504 },
505};
506
507static struct i2c_board_info __initdata z2_i2c_board_info[] = {
508 {
509 I2C_BOARD_INFO("aer915", 0x55),
510 .dev_name = "aer915",
511 .platform_data = &batt_chip_info,
512 }, {
513 I2C_BOARD_INFO("wm8750", 0x1b),
514 },
515
516};
517
518static void __init z2_i2c_init(void)
519{
520 pxa_set_i2c_info(NULL);
521 gpiod_add_lookup_table(&z2_battery_gpio_table);
522 i2c_register_board_info(0, ARRAY_AND_SIZE(z2_i2c_board_info));
523}
524#else
525static inline void z2_i2c_init(void) {}
526#endif
527
528/******************************************************************************
529 * SSP Devices - WiFi and LCD control
530 ******************************************************************************/
531#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
532/* WiFi */
533static int z2_lbs_spi_setup(struct spi_device *spi)
534{
535 int ret = 0;
536
537 ret = gpio_request(GPIO14_ZIPITZ2_WIFI_POWER, "WiFi Power");
538 if (ret)
539 goto err;
540
541 ret = gpio_direction_output(GPIO14_ZIPITZ2_WIFI_POWER, 1);
542 if (ret)
543 goto err2;
544
545 /* Wait until card is powered on */
546 mdelay(180);
547
548 spi->bits_per_word = 16;
549 spi->mode = SPI_MODE_2,
550
551 spi_setup(spi);
552
553 return 0;
554
555err2:
556 gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
557err:
558 return ret;
559};
560
561static int z2_lbs_spi_teardown(struct spi_device *spi)
562{
563 gpio_set_value(GPIO14_ZIPITZ2_WIFI_POWER, 0);
564 gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
565
566 return 0;
567};
568
569static struct pxa2xx_spi_chip z2_lbs_chip_info = {
570 .rx_threshold = 8,
571 .tx_threshold = 8,
572 .timeout = 1000,
573 .gpio_cs = GPIO24_ZIPITZ2_WIFI_CS,
574};
575
576static struct libertas_spi_platform_data z2_lbs_pdata = {
577 .use_dummy_writes = 1,
578 .setup = z2_lbs_spi_setup,
579 .teardown = z2_lbs_spi_teardown,
580};
581
582/* LCD */
583static struct pxa2xx_spi_chip lms283_chip_info = {
584 .rx_threshold = 1,
585 .tx_threshold = 1,
586 .timeout = 64,
587 .gpio_cs = GPIO88_ZIPITZ2_LCD_CS,
588};
589
590static struct gpiod_lookup_table lms283_gpio_table = {
591 .dev_id = "spi2.0", /* SPI bus 2 chip select 0 */
592 .table = {
593 GPIO_LOOKUP("gpio-pxa", GPIO19_ZIPITZ2_LCD_RESET,
594 "reset", GPIO_ACTIVE_LOW),
595 { },
596 },
597};
598
599static struct spi_board_info spi_board_info[] __initdata = {
600{
601 .modalias = "libertas_spi",
602 .platform_data = &z2_lbs_pdata,
603 .controller_data = &z2_lbs_chip_info,
604 .irq = PXA_GPIO_TO_IRQ(GPIO36_ZIPITZ2_WIFI_IRQ),
605 .max_speed_hz = 13000000,
606 .bus_num = 1,
607 .chip_select = 0,
608},
609{
610 .modalias = "lms283gf05",
611 .controller_data = &lms283_chip_info,
612 .max_speed_hz = 400000,
613 .bus_num = 2,
614 .chip_select = 0,
615},
616};
617
618static struct pxa2xx_spi_controller pxa_ssp1_master_info = {
619 .num_chipselect = 1,
620 .enable_dma = 1,
621};
622
623static struct pxa2xx_spi_controller pxa_ssp2_master_info = {
624 .num_chipselect = 1,
625};
626
627static void __init z2_spi_init(void)
628{
629 pxa2xx_set_spi_info(1, &pxa_ssp1_master_info);
630 pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
631 gpiod_add_lookup_table(&lms283_gpio_table);
632 spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
633}
634#else
635static inline void z2_spi_init(void) {}
636#endif
637
638/******************************************************************************
639 * Core power regulator
640 ******************************************************************************/
641#if defined(CONFIG_REGULATOR_TPS65023) || \
642 defined(CONFIG_REGULATOR_TPS65023_MODULE)
643static struct regulator_consumer_supply z2_tps65021_consumers[] = {
644 REGULATOR_SUPPLY("vcc_core", NULL),
645};
646
647static struct regulator_init_data z2_tps65021_info[] = {
648 {
649 .constraints = {
650 .name = "vcc_core range",
651 .min_uV = 800000,
652 .max_uV = 1600000,
653 .always_on = 1,
654 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
655 },
656 .consumer_supplies = z2_tps65021_consumers,
657 .num_consumer_supplies = ARRAY_SIZE(z2_tps65021_consumers),
658 }, {
659 .constraints = {
660 .name = "DCDC2",
661 .min_uV = 3300000,
662 .max_uV = 3300000,
663 .always_on = 1,
664 },
665 }, {
666 .constraints = {
667 .name = "DCDC3",
668 .min_uV = 1800000,
669 .max_uV = 1800000,
670 .always_on = 1,
671 },
672 }, {
673 .constraints = {
674 .name = "LDO1",
675 .min_uV = 1000000,
676 .max_uV = 3150000,
677 .always_on = 1,
678 },
679 }, {
680 .constraints = {
681 .name = "LDO2",
682 .min_uV = 1050000,
683 .max_uV = 3300000,
684 .always_on = 1,
685 },
686 }
687};
688
689static struct i2c_board_info __initdata z2_pi2c_board_info[] = {
690 {
691 I2C_BOARD_INFO("tps65021", 0x48),
692 .platform_data = &z2_tps65021_info,
693 },
694};
695
696static void __init z2_pmic_init(void)
697{
698 pxa27x_set_i2c_power_info(NULL);
699 i2c_register_board_info(1, ARRAY_AND_SIZE(z2_pi2c_board_info));
700}
701#else
702static inline void z2_pmic_init(void) {}
703#endif
704
705#ifdef CONFIG_PM
706static void z2_power_off(void)
707{
708 /* We're using deep sleep as poweroff, so clear PSPR to ensure that
709 * bootloader will jump to its entry point in resume handler
710 */
711 PSPR = 0x0;
712 local_irq_disable();
713 pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
714 pxa27x_cpu_pm_enter(PM_SUSPEND_MEM);
715}
716#else
717#define z2_power_off NULL
718#endif
719
720/******************************************************************************
721 * Machine init
722 ******************************************************************************/
723static void __init z2_init(void)
724{
725 pxa2xx_mfp_config(ARRAY_AND_SIZE(z2_pin_config));
726
727 pxa_set_ffuart_info(NULL);
728 pxa_set_btuart_info(NULL);
729 pxa_set_stuart_info(NULL);
730
731 z2_lcd_init();
732 z2_mmc_init();
733 z2_mkp_init();
734 z2_i2c_init();
735 z2_spi_init();
736 z2_nor_init();
737 z2_pwm_init();
738 z2_leds_init();
739 z2_keys_init();
740 z2_pmic_init();
741
742 pm_power_off = z2_power_off;
743}
744
745MACHINE_START(ZIPIT2, "Zipit Z2")
746 .atag_offset = 0x100,
747 .map_io = pxa27x_map_io,
748 .nr_irqs = PXA_NR_IRQS,
749 .init_irq = pxa27x_init_irq,
750 .handle_irq = pxa27x_handle_irq,
751 .init_time = pxa_timer_init,
752 .init_machine = z2_init,
753 .restart = pxa_restart,
754MACHINE_END