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 "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 ******************************************************************************/
49 static 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)
150 static struct resource z2_flash_resource = {
151 .start = PXA_CS0_PHYS,
152 .end = PXA_CS0_PHYS + SZ_8M - 1,
153 .flags = IORESOURCE_MEM,
154 };
155
156 static 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
172 static 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
178 static 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
z2_nor_init(void)188 static void __init z2_nor_init(void)
189 {
190 platform_device_register(&z2_flash);
191 }
192 #else
z2_nor_init(void)193 static inline void z2_nor_init(void) {}
194 #endif
195
196 /******************************************************************************
197 * Backlight
198 ******************************************************************************/
199 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
200 static 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
207 static 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
220 static 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 };
z2_pwm_init(void)236 static 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
z2_pwm_init(void)243 static inline void z2_pwm_init(void) {}
244 #endif
245
246 /******************************************************************************
247 * Framebuffer
248 ******************************************************************************/
249 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
250 static struct pxafb_mode_info z2_lcd_modes[] = {
251 {
252 .pixclock = 192000,
253 .xres = 240,
254 .yres = 320,
255 .bpp = 16,
256
257 .left_margin = 4,
258 .right_margin = 8,
259 .upper_margin = 4,
260 .lower_margin = 8,
261
262 .hsync_len = 4,
263 .vsync_len = 4,
264 },
265 };
266
267 static struct pxafb_mach_info z2_lcd_screen = {
268 .modes = z2_lcd_modes,
269 .num_modes = ARRAY_SIZE(z2_lcd_modes),
270 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_BIAS_ACTIVE_LOW |
271 LCD_ALTERNATE_MAPPING,
272 };
273
z2_lcd_init(void)274 static void __init z2_lcd_init(void)
275 {
276 pxa_set_fb_info(NULL, &z2_lcd_screen);
277 }
278 #else
z2_lcd_init(void)279 static inline void z2_lcd_init(void) {}
280 #endif
281
282 /******************************************************************************
283 * SD/MMC card controller
284 ******************************************************************************/
285 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
286 static struct pxamci_platform_data z2_mci_platform_data = {
287 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
288 .detect_delay_ms = 200,
289 };
290
291 static 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
z2_mmc_init(void)300 static 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
z2_mmc_init(void)306 static inline void z2_mmc_init(void) {}
307 #endif
308
309 /******************************************************************************
310 * LEDs
311 ******************************************************************************/
312 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
313 struct 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
332 static struct gpio_led_platform_data z2_gpio_led_info = {
333 .leds = z2_gpio_leds,
334 .num_leds = ARRAY_SIZE(z2_gpio_leds),
335 };
336
337 static struct platform_device z2_leds = {
338 .name = "leds-gpio",
339 .id = -1,
340 .dev = {
341 .platform_data = &z2_gpio_led_info,
342 }
343 };
344
z2_leds_init(void)345 static void __init z2_leds_init(void)
346 {
347 platform_device_register(&z2_leds);
348 }
349 #else
z2_leds_init(void)350 static 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)
357 static 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
417 static struct matrix_keymap_data z2_matrix_keymap_data = {
418 .keymap = z2_matrix_keys,
419 .keymap_size = ARRAY_SIZE(z2_matrix_keys),
420 };
421
422 static 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
z2_mkp_init(void)430 static void __init z2_mkp_init(void)
431 {
432 pxa_set_keypad_info(&z2_keypad_platform_data);
433 }
434 #else
z2_mkp_init(void)435 static 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)
442 static 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
461 static struct gpio_keys_platform_data z2_pxa_keys_data = {
462 .buttons = z2_pxa_buttons,
463 .nbuttons = ARRAY_SIZE(z2_pxa_buttons),
464 };
465
466 static 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
z2_keys_init(void)474 static void __init z2_keys_init(void)
475 {
476 platform_device_register(&z2_pxa_keys);
477 }
478 #else
z2_keys_init(void)479 static inline void z2_keys_init(void) {}
480 #endif
481
482 /******************************************************************************
483 * Battery
484 ******************************************************************************/
485 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
486 static 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
498 static 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
507 static 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
z2_i2c_init(void)518 static 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
z2_i2c_init(void)525 static 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 */
z2_lbs_spi_setup(struct spi_device * spi)533 static 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
555 err2:
556 gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
557 err:
558 return ret;
559 };
560
z2_lbs_spi_teardown(struct spi_device * spi)561 static 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
569 static struct pxa2xx_spi_chip z2_lbs_chip_info = {
570 .rx_threshold = 8,
571 .tx_threshold = 8,
572 .timeout = 1000,
573 };
574
575 static struct libertas_spi_platform_data z2_lbs_pdata = {
576 .use_dummy_writes = 1,
577 .setup = z2_lbs_spi_setup,
578 .teardown = z2_lbs_spi_teardown,
579 };
580
581 /* LCD */
582 static struct pxa2xx_spi_chip lms283_chip_info = {
583 .rx_threshold = 1,
584 .tx_threshold = 1,
585 .timeout = 64,
586 };
587
588 static struct gpiod_lookup_table lms283_gpio_table = {
589 .dev_id = "spi2.0", /* SPI bus 2 chip select 0 */
590 .table = {
591 GPIO_LOOKUP("gpio-pxa", GPIO19_ZIPITZ2_LCD_RESET,
592 "reset", GPIO_ACTIVE_LOW),
593 { },
594 },
595 };
596
597 static struct spi_board_info spi_board_info[] __initdata = {
598 {
599 .modalias = "libertas_spi",
600 .platform_data = &z2_lbs_pdata,
601 .controller_data = &z2_lbs_chip_info,
602 .irq = PXA_GPIO_TO_IRQ(GPIO36_ZIPITZ2_WIFI_IRQ),
603 .max_speed_hz = 13000000,
604 .bus_num = 1,
605 .chip_select = 0,
606 },
607 {
608 .modalias = "lms283gf05",
609 .controller_data = &lms283_chip_info,
610 .max_speed_hz = 400000,
611 .bus_num = 2,
612 .chip_select = 0,
613 },
614 };
615
616 static struct pxa2xx_spi_controller pxa_ssp1_master_info = {
617 .num_chipselect = 1,
618 .enable_dma = 1,
619 };
620
621 static struct pxa2xx_spi_controller pxa_ssp2_master_info = {
622 .num_chipselect = 1,
623 };
624
625 static struct gpiod_lookup_table pxa_ssp1_gpio_table = {
626 .dev_id = "spi1",
627 .table = {
628 GPIO_LOOKUP_IDX("gpio-pxa", GPIO24_ZIPITZ2_WIFI_CS, "cs", 0, GPIO_ACTIVE_LOW),
629 { },
630 },
631 };
632
633 static struct gpiod_lookup_table pxa_ssp2_gpio_table = {
634 .dev_id = "spi2",
635 .table = {
636 GPIO_LOOKUP_IDX("gpio-pxa", GPIO88_ZIPITZ2_LCD_CS, "cs", 0, GPIO_ACTIVE_LOW),
637 { },
638 },
639 };
640
z2_spi_init(void)641 static void __init z2_spi_init(void)
642 {
643 gpiod_add_lookup_table(&pxa_ssp1_gpio_table);
644 gpiod_add_lookup_table(&pxa_ssp2_gpio_table);
645 pxa2xx_set_spi_info(1, &pxa_ssp1_master_info);
646 pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
647 gpiod_add_lookup_table(&lms283_gpio_table);
648 spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
649 }
650 #else
z2_spi_init(void)651 static inline void z2_spi_init(void) {}
652 #endif
653
654 static struct gpiod_lookup_table z2_audio_gpio_table = {
655 .dev_id = "soc-audio",
656 .table = {
657 GPIO_LOOKUP("gpio-pxa", GPIO37_ZIPITZ2_HEADSET_DETECT,
658 "hsdet-gpio", GPIO_ACTIVE_HIGH),
659 { },
660 },
661 };
662
663 /******************************************************************************
664 * Core power regulator
665 ******************************************************************************/
666 #if defined(CONFIG_REGULATOR_TPS65023) || \
667 defined(CONFIG_REGULATOR_TPS65023_MODULE)
668 static struct regulator_consumer_supply z2_tps65021_consumers[] = {
669 REGULATOR_SUPPLY("vcc_core", NULL),
670 };
671
672 static struct regulator_init_data z2_tps65021_info[] = {
673 {
674 .constraints = {
675 .name = "vcc_core range",
676 .min_uV = 800000,
677 .max_uV = 1600000,
678 .always_on = 1,
679 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
680 },
681 .consumer_supplies = z2_tps65021_consumers,
682 .num_consumer_supplies = ARRAY_SIZE(z2_tps65021_consumers),
683 }, {
684 .constraints = {
685 .name = "DCDC2",
686 .min_uV = 3300000,
687 .max_uV = 3300000,
688 .always_on = 1,
689 },
690 }, {
691 .constraints = {
692 .name = "DCDC3",
693 .min_uV = 1800000,
694 .max_uV = 1800000,
695 .always_on = 1,
696 },
697 }, {
698 .constraints = {
699 .name = "LDO1",
700 .min_uV = 1000000,
701 .max_uV = 3150000,
702 .always_on = 1,
703 },
704 }, {
705 .constraints = {
706 .name = "LDO2",
707 .min_uV = 1050000,
708 .max_uV = 3300000,
709 .always_on = 1,
710 },
711 }
712 };
713
714 static struct i2c_board_info __initdata z2_pi2c_board_info[] = {
715 {
716 I2C_BOARD_INFO("tps65021", 0x48),
717 .platform_data = &z2_tps65021_info,
718 },
719 };
720
z2_pmic_init(void)721 static void __init z2_pmic_init(void)
722 {
723 pxa27x_set_i2c_power_info(NULL);
724 i2c_register_board_info(1, ARRAY_AND_SIZE(z2_pi2c_board_info));
725 }
726 #else
z2_pmic_init(void)727 static inline void z2_pmic_init(void) {}
728 #endif
729
730 #ifdef CONFIG_PM
z2_power_off(void)731 static void z2_power_off(void)
732 {
733 /* We're using deep sleep as poweroff, so clear PSPR to ensure that
734 * bootloader will jump to its entry point in resume handler
735 */
736 PSPR = 0x0;
737 local_irq_disable();
738 pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
739 pxa27x_cpu_pm_enter(PM_SUSPEND_MEM);
740 }
741 #else
742 #define z2_power_off NULL
743 #endif
744
745 /******************************************************************************
746 * Machine init
747 ******************************************************************************/
z2_init(void)748 static void __init z2_init(void)
749 {
750 pxa2xx_mfp_config(ARRAY_AND_SIZE(z2_pin_config));
751
752 pxa_set_ffuart_info(NULL);
753 pxa_set_btuart_info(NULL);
754 pxa_set_stuart_info(NULL);
755
756 z2_lcd_init();
757 z2_mmc_init();
758 z2_mkp_init();
759 z2_i2c_init();
760 z2_spi_init();
761 z2_nor_init();
762 z2_pwm_init();
763 z2_leds_init();
764 z2_keys_init();
765 z2_pmic_init();
766
767 gpiod_add_lookup_table(&z2_audio_gpio_table);
768
769 pm_power_off = z2_power_off;
770 }
771
772 MACHINE_START(ZIPIT2, "Zipit Z2")
773 .atag_offset = 0x100,
774 .map_io = pxa27x_map_io,
775 .nr_irqs = PXA_NR_IRQS,
776 .init_irq = pxa27x_init_irq,
777 .handle_irq = pxa27x_handle_irq,
778 .init_time = pxa_timer_init,
779 .init_machine = z2_init,
780 .restart = pxa_restart,
781 MACHINE_END
782
