Commit | Line | Data |
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b6377992 MV |
1 | /* |
2 | * linux/arch/arm/mach-pxa/z2.c | |
3 | * | |
4 | * Support for the Zipit Z2 Handheld device. | |
5 | * | |
60adc112 MV |
6 | * Copyright (C) 2009-2010 Marek Vasut <marek.vasut@gmail.com> |
7 | * | |
8 | * Based on research and code by: Ken McGuire | |
b6377992 MV |
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> | |
a3827639 | 19 | #include <linux/pwm.h> |
b6377992 | 20 | #include <linux/pwm_backlight.h> |
d198290d | 21 | #include <linux/z2_battery.h> |
b6377992 MV |
22 | #include <linux/dma-mapping.h> |
23 | #include <linux/spi/spi.h> | |
8348c259 | 24 | #include <linux/spi/pxa2xx_spi.h> |
b6377992 MV |
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> | |
320bbb86 | 32 | #include <linux/regulator/machine.h> |
b459396e | 33 | #include <linux/i2c/pxa-i2c.h> |
b6377992 MV |
34 | |
35 | #include <asm/mach-types.h> | |
36 | #include <asm/mach/arch.h> | |
37 | ||
4c25c5d2 AB |
38 | #include "pxa27x.h" |
39 | #include "mfp-pxa27x.h" | |
b6377992 | 40 | #include <mach/z2.h> |
293b2da1 AB |
41 | #include <linux/platform_data/video-pxafb.h> |
42 | #include <linux/platform_data/mmc-pxamci.h> | |
43 | #include <linux/platform_data/keypad-pxa27x.h> | |
4c25c5d2 | 44 | #include "pm.h" |
b6377992 | 45 | |
b6377992 MV |
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 */ | |
2e62344d VK |
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, | |
b6377992 MV |
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 */ | |
b8f56a78 | 143 | GPIO14_GPIO, /* WiFi Power */ |
b6377992 MV |
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, | |
60adc112 MV |
163 | .size = 0x40000, |
164 | }, { | |
b6377992 | 165 | .name = "U-Boot Environment", |
60adc112 | 166 | .offset = 0x40000, |
77310840 | 167 | .size = 0x20000, |
60adc112 MV |
168 | }, { |
169 | .name = "Flash", | |
170 | .offset = 0x60000, | |
b6377992 MV |
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 | ||
191 | static void __init z2_nor_init(void) | |
192 | { | |
193 | platform_device_register(&z2_flash); | |
194 | } | |
195 | #else | |
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) | |
a3827639 TR |
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 | ||
b6377992 MV |
210 | static struct platform_pwm_backlight_data z2_backlight_data[] = { |
211 | [0] = { | |
212 | /* Keypad Backlight */ | |
b6377992 | 213 | .max_brightness = 1023, |
034e1756 | 214 | .dft_brightness = 0, |
db01120c | 215 | .enable_gpio = -1, |
b6377992 MV |
216 | }, |
217 | [1] = { | |
218 | /* LCD Backlight */ | |
b6377992 MV |
219 | .max_brightness = 1023, |
220 | .dft_brightness = 512, | |
db01120c | 221 | .enable_gpio = -1, |
b6377992 MV |
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 | }; | |
241 | static void __init z2_pwm_init(void) | |
242 | { | |
a3827639 | 243 | pwm_add_table(z2_pwm_lookup, ARRAY_SIZE(z2_pwm_lookup)); |
b6377992 MV |
244 | platform_device_register(&z2_backlight_devices[0]); |
245 | platform_device_register(&z2_backlight_devices[1]); | |
246 | } | |
247 | #else | |
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 | ||
279 | static void __init z2_lcd_init(void) | |
280 | { | |
4321e1a1 | 281 | pxa_set_fb_info(NULL, &z2_lcd_screen); |
b6377992 MV |
282 | } |
283 | #else | |
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, | |
f97cab28 | 296 | .detect_delay_ms = 200, |
b6377992 MV |
297 | }; |
298 | ||
299 | static void __init z2_mmc_init(void) | |
300 | { | |
301 | pxa_set_mci_info(&z2_mci_platform_data); | |
302 | } | |
303 | #else | |
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", | |
54d57100 | 319 | .default_trigger = "mmc0", |
b6377992 MV |
320 | .gpio = GPIO85_ZIPITZ2_LED_CHARGED, |
321 | .active_low = 1, | |
322 | }, { | |
323 | .name = "z2:amber:charging", | |
54d57100 | 324 | .default_trigger = "Z2-charging-or-full", |
b6377992 MV |
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 | ||
343 | static void __init z2_leds_init(void) | |
344 | { | |
345 | platform_device_register(&z2_leds); | |
346 | } | |
347 | #else | |
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) | |
0a085a94 | 355 | static const unsigned int z2_matrix_keys[] = { |
b6377992 MV |
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 | ||
0a085a94 CX |
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 | ||
b6377992 MV |
420 | static struct pxa27x_keypad_platform_data z2_keypad_platform_data = { |
421 | .matrix_key_rows = 7, | |
422 | .matrix_key_cols = 8, | |
0a085a94 | 423 | .matrix_keymap_data = &z2_matrix_keymap_data, |
b6377992 MV |
424 | |
425 | .debounce_interval = 30, | |
426 | }; | |
427 | ||
428 | static void __init z2_mkp_init(void) | |
429 | { | |
430 | pxa_set_keypad_info(&z2_keypad_platform_data); | |
431 | } | |
432 | #else | |
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[] = { | |
2e62344d VK |
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 | { | |
e3b1ceed | 450 | .code = SW_LID, |
2e62344d | 451 | .gpio = GPIO98_ZIPITZ2_LID_BUTTON, |
e3b1ceed VK |
452 | .active_low = 1, |
453 | .desc = "Lid Switch", | |
454 | .wakeup = 0, | |
455 | .type = EV_SW, | |
2e62344d | 456 | }, |
b6377992 MV |
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 | ||
472 | static void __init z2_keys_init(void) | |
473 | { | |
474 | platform_device_register(&z2_pxa_keys); | |
475 | } | |
476 | #else | |
477 | static inline void z2_keys_init(void) {} | |
478 | #endif | |
479 | ||
d198290d MV |
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, | |
233cdbce VK |
489 | .min_voltage = 3475000, |
490 | .max_voltage = 4190000, | |
491 | .batt_div = 59, | |
d198290d MV |
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, | |
8499ded8 MV |
501 | }, { |
502 | I2C_BOARD_INFO("wm8750", 0x1b), | |
503 | }, | |
504 | ||
d198290d MV |
505 | }; |
506 | ||
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 | |
513 | static inline void z2_i2c_init(void) {} | |
514 | #endif | |
515 | ||
b6377992 MV |
516 | /****************************************************************************** |
517 | * SSP Devices - WiFi and LCD control | |
518 | ******************************************************************************/ | |
519 | #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) | |
520 | /* WiFi */ | |
521 | static int z2_lbs_spi_setup(struct spi_device *spi) | |
522 | { | |
523 | int ret = 0; | |
524 | ||
b8f56a78 | 525 | ret = gpio_request(GPIO14_ZIPITZ2_WIFI_POWER, "WiFi Power"); |
b6377992 MV |
526 | if (ret) |
527 | goto err; | |
528 | ||
b8f56a78 | 529 | ret = gpio_direction_output(GPIO14_ZIPITZ2_WIFI_POWER, 1); |
b6377992 MV |
530 | if (ret) |
531 | goto err2; | |
532 | ||
b8f56a78 | 533 | /* Wait until card is powered on */ |
b6377992 | 534 | mdelay(180); |
b6377992 MV |
535 | |
536 | spi->bits_per_word = 16; | |
537 | spi->mode = SPI_MODE_2, | |
538 | ||
539 | spi_setup(spi); | |
540 | ||
541 | return 0; | |
542 | ||
b6377992 | 543 | err2: |
b8f56a78 | 544 | gpio_free(GPIO14_ZIPITZ2_WIFI_POWER); |
b6377992 MV |
545 | err: |
546 | return ret; | |
547 | }; | |
548 | ||
549 | static int z2_lbs_spi_teardown(struct spi_device *spi) | |
550 | { | |
b8f56a78 VK |
551 | gpio_set_value(GPIO14_ZIPITZ2_WIFI_POWER, 0); |
552 | gpio_free(GPIO14_ZIPITZ2_WIFI_POWER); | |
b6377992 | 553 | |
b8f56a78 | 554 | return 0; |
b6377992 MV |
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, | |
4929f5a8 | 587 | .irq = PXA_GPIO_TO_IRQ(GPIO36_ZIPITZ2_WIFI_IRQ), |
b6377992 MV |
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 = { | |
b6377992 MV |
603 | .num_chipselect = 1, |
604 | .enable_dma = 1, | |
605 | }; | |
606 | ||
607 | static struct pxa2xx_spi_master pxa_ssp2_master_info = { | |
b6377992 MV |
608 | .num_chipselect = 1, |
609 | }; | |
610 | ||
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 | |
618 | static inline void z2_spi_init(void) {} | |
619 | #endif | |
620 | ||
320bbb86 MV |
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[] = { | |
0bf189ab | 627 | REGULATOR_SUPPLY("vcc_core", NULL), |
320bbb86 MV |
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 | ||
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 | |
685 | static inline void z2_pmic_init(void) {} | |
686 | #endif | |
687 | ||
41646b24 VK |
688 | #ifdef CONFIG_PM |
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(); | |
ba4a90a6 EM |
696 | pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP); |
697 | pxa27x_cpu_pm_enter(PM_SUSPEND_MEM); | |
41646b24 VK |
698 | } |
699 | #else | |
700 | #define z2_power_off NULL | |
701 | #endif | |
702 | ||
b6377992 MV |
703 | /****************************************************************************** |
704 | * Machine init | |
705 | ******************************************************************************/ | |
706 | static void __init z2_init(void) | |
707 | { | |
708 | pxa2xx_mfp_config(ARRAY_AND_SIZE(z2_pin_config)); | |
709 | ||
d198290d MV |
710 | pxa_set_ffuart_info(NULL); |
711 | pxa_set_btuart_info(NULL); | |
712 | pxa_set_stuart_info(NULL); | |
713 | ||
b6377992 MV |
714 | z2_lcd_init(); |
715 | z2_mmc_init(); | |
716 | z2_mkp_init(); | |
d198290d | 717 | z2_i2c_init(); |
b6377992 MV |
718 | z2_spi_init(); |
719 | z2_nor_init(); | |
720 | z2_pwm_init(); | |
721 | z2_leds_init(); | |
722 | z2_keys_init(); | |
320bbb86 | 723 | z2_pmic_init(); |
41646b24 VK |
724 | |
725 | pm_power_off = z2_power_off; | |
b6377992 MV |
726 | } |
727 | ||
728 | MACHINE_START(ZIPIT2, "Zipit Z2") | |
7375aba6 | 729 | .atag_offset = 0x100, |
851982c1 | 730 | .map_io = pxa27x_map_io, |
4e611091 | 731 | .nr_irqs = PXA_NR_IRQS, |
b6377992 | 732 | .init_irq = pxa27x_init_irq, |
8a97ae2f | 733 | .handle_irq = pxa27x_handle_irq, |
6bb27d73 | 734 | .init_time = pxa_timer_init, |
b6377992 | 735 | .init_machine = z2_init, |
271a74fc | 736 | .restart = pxa_restart, |
b6377992 | 737 | MACHINE_END |