[ARM] pxa: PXA_SHARPSL_DETECT_MACH_ID to include head-sharpsl.S
[deliverable/linux.git] / arch / arm / mach-pxa / z2.c
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1/*
2 * linux/arch/arm/mach-pxa/z2.c
3 *
4 * Support for the Zipit Z2 Handheld device.
5 *
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6 * Copyright (C) 2009-2010 Marek Vasut <marek.vasut@gmail.com>
7 *
8 * Based on research and code by: Ken McGuire
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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>
d198290d 20#include <linux/z2_battery.h>
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21#include <linux/dma-mapping.h>
22#include <linux/spi/spi.h>
23#include <linux/spi/libertas_spi.h>
24#include <linux/spi/lms283gf05.h>
25#include <linux/power_supply.h>
26#include <linux/mtd/physmap.h>
27#include <linux/gpio.h>
28#include <linux/gpio_keys.h>
29#include <linux/delay.h>
30
31#include <asm/mach-types.h>
32#include <asm/mach/arch.h>
33
34#include <mach/pxa27x.h>
35#include <mach/mfp-pxa27x.h>
36#include <mach/z2.h>
37#include <mach/pxafb.h>
38#include <mach/mmc.h>
39#include <mach/pxa27x_keypad.h>
40#include <mach/pxa2xx_spi.h>
41
42#include <plat/i2c.h>
43
44#include "generic.h"
45#include "devices.h"
46
47/******************************************************************************
48 * Pin configuration
49 ******************************************************************************/
50static 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 | WAKEUP_ON_LEVEL_HIGH,
95 GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
96 GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
97 GPIO34_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
98 GPIO38_KP_MKIN_4 | WAKEUP_ON_LEVEL_HIGH,
99 GPIO16_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH,
100 GPIO17_KP_MKIN_6 | WAKEUP_ON_LEVEL_HIGH,
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 Reset */
142 GPIO15_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,
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162 .size = 0x40000,
163 }, {
b6377992 164 .name = "U-Boot Environment",
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165 .offset = 0x40000,
166 .size = 0x60000,
167 }, {
168 .name = "Flash",
169 .offset = 0x60000,
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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 = 512,
208 .pwm_period_ns = 1260320,
209 },
210 [1] = {
211 /* LCD Backlight */
212 .pwm_id = 2,
213 .max_brightness = 1023,
214 .dft_brightness = 512,
215 .pwm_period_ns = 1260320,
216 },
217};
218
219static struct platform_device z2_backlight_devices[2] = {
220 {
221 .name = "pwm-backlight",
222 .id = 0,
223 .dev = {
224 .platform_data = &z2_backlight_data[1],
225 },
226 },
227 {
228 .name = "pwm-backlight",
229 .id = 1,
230 .dev = {
231 .platform_data = &z2_backlight_data[0],
232 },
233 },
234};
235static void __init z2_pwm_init(void)
236{
237 platform_device_register(&z2_backlight_devices[0]);
238 platform_device_register(&z2_backlight_devices[1]);
239}
240#else
241static inline void z2_pwm_init(void) {}
242#endif
243
244/******************************************************************************
245 * Framebuffer
246 ******************************************************************************/
247#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
248static struct pxafb_mode_info z2_lcd_modes[] = {
249{
250 .pixclock = 192000,
251 .xres = 240,
252 .yres = 320,
253 .bpp = 16,
254
255 .left_margin = 4,
256 .right_margin = 8,
257 .upper_margin = 4,
258 .lower_margin = 8,
259
260 .hsync_len = 4,
261 .vsync_len = 4,
262},
263};
264
265static struct pxafb_mach_info z2_lcd_screen = {
266 .modes = z2_lcd_modes,
267 .num_modes = ARRAY_SIZE(z2_lcd_modes),
268 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_BIAS_ACTIVE_LOW |
269 LCD_ALTERNATE_MAPPING,
270};
271
272static void __init z2_lcd_init(void)
273{
274 set_pxa_fb_info(&z2_lcd_screen);
275}
276#else
277static inline void z2_lcd_init(void) {}
278#endif
279
280/******************************************************************************
281 * SD/MMC card controller
282 ******************************************************************************/
283#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
284static struct pxamci_platform_data z2_mci_platform_data = {
285 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
286 .gpio_card_detect = GPIO96_ZIPITZ2_SD_DETECT,
287 .gpio_power = -1,
288 .gpio_card_ro = -1,
f97cab28 289 .detect_delay_ms = 200,
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290};
291
292static void __init z2_mmc_init(void)
293{
294 pxa_set_mci_info(&z2_mci_platform_data);
295}
296#else
297static inline void z2_mmc_init(void) {}
298#endif
299
300/******************************************************************************
301 * LEDs
302 ******************************************************************************/
303#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
304struct gpio_led z2_gpio_leds[] = {
305{
306 .name = "z2:green:wifi",
307 .default_trigger = "none",
308 .gpio = GPIO10_ZIPITZ2_LED_WIFI,
309 .active_low = 1,
310}, {
311 .name = "z2:green:charged",
312 .default_trigger = "none",
313 .gpio = GPIO85_ZIPITZ2_LED_CHARGED,
314 .active_low = 1,
315}, {
316 .name = "z2:amber:charging",
317 .default_trigger = "none",
318 .gpio = GPIO83_ZIPITZ2_LED_CHARGING,
319 .active_low = 1,
320},
321};
322
323static struct gpio_led_platform_data z2_gpio_led_info = {
324 .leds = z2_gpio_leds,
325 .num_leds = ARRAY_SIZE(z2_gpio_leds),
326};
327
328static struct platform_device z2_leds = {
329 .name = "leds-gpio",
330 .id = -1,
331 .dev = {
332 .platform_data = &z2_gpio_led_info,
333 }
334};
335
336static void __init z2_leds_init(void)
337{
338 platform_device_register(&z2_leds);
339}
340#else
341static inline void z2_leds_init(void) {}
342#endif
343
344/******************************************************************************
345 * GPIO keyboard
346 ******************************************************************************/
347#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
348static unsigned int z2_matrix_keys[] = {
349 KEY(0, 0, KEY_OPTION),
350 KEY(1, 0, KEY_UP),
351 KEY(2, 0, KEY_DOWN),
352 KEY(3, 0, KEY_LEFT),
353 KEY(4, 0, KEY_RIGHT),
354 KEY(5, 0, KEY_END),
355 KEY(6, 0, KEY_KPPLUS),
356
357 KEY(0, 1, KEY_HOME),
358 KEY(1, 1, KEY_Q),
359 KEY(2, 1, KEY_I),
360 KEY(3, 1, KEY_G),
361 KEY(4, 1, KEY_X),
362 KEY(5, 1, KEY_ENTER),
363 KEY(6, 1, KEY_KPMINUS),
364
365 KEY(0, 2, KEY_PAGEUP),
366 KEY(1, 2, KEY_W),
367 KEY(2, 2, KEY_O),
368 KEY(3, 2, KEY_H),
369 KEY(4, 2, KEY_C),
370 KEY(5, 2, KEY_LEFTALT),
371
372 KEY(0, 3, KEY_PAGEDOWN),
373 KEY(1, 3, KEY_E),
374 KEY(2, 3, KEY_P),
375 KEY(3, 3, KEY_J),
376 KEY(4, 3, KEY_V),
377 KEY(5, 3, KEY_LEFTSHIFT),
378
379 KEY(0, 4, KEY_ESC),
380 KEY(1, 4, KEY_R),
381 KEY(2, 4, KEY_A),
382 KEY(3, 4, KEY_K),
383 KEY(4, 4, KEY_B),
384 KEY(5, 4, KEY_LEFTCTRL),
385
386 KEY(0, 5, KEY_TAB),
387 KEY(1, 5, KEY_T),
388 KEY(2, 5, KEY_S),
389 KEY(3, 5, KEY_L),
390 KEY(4, 5, KEY_N),
391 KEY(5, 5, KEY_SPACE),
392
393 KEY(0, 6, KEY_STOPCD),
394 KEY(1, 6, KEY_Y),
395 KEY(2, 6, KEY_D),
396 KEY(3, 6, KEY_BACKSPACE),
397 KEY(4, 6, KEY_M),
398 KEY(5, 6, KEY_COMMA),
399
400 KEY(0, 7, KEY_PLAYCD),
401 KEY(1, 7, KEY_U),
402 KEY(2, 7, KEY_F),
403 KEY(3, 7, KEY_Z),
404 KEY(4, 7, KEY_SEMICOLON),
405 KEY(5, 7, KEY_DOT),
406};
407
408static struct pxa27x_keypad_platform_data z2_keypad_platform_data = {
409 .matrix_key_rows = 7,
410 .matrix_key_cols = 8,
411 .matrix_key_map = z2_matrix_keys,
412 .matrix_key_map_size = ARRAY_SIZE(z2_matrix_keys),
413
414 .debounce_interval = 30,
415};
416
417static void __init z2_mkp_init(void)
418{
419 pxa_set_keypad_info(&z2_keypad_platform_data);
420}
421#else
422static inline void z2_mkp_init(void) {}
423#endif
424
425/******************************************************************************
426 * GPIO keys
427 ******************************************************************************/
428#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
429static struct gpio_keys_button z2_pxa_buttons[] = {
430 {KEY_POWER, GPIO1_ZIPITZ2_POWER_BUTTON, 0, "Power Button" },
431 {KEY_CLOSE, GPIO98_ZIPITZ2_LID_BUTTON, 0, "Lid Button" },
432};
433
434static struct gpio_keys_platform_data z2_pxa_keys_data = {
435 .buttons = z2_pxa_buttons,
436 .nbuttons = ARRAY_SIZE(z2_pxa_buttons),
437};
438
439static struct platform_device z2_pxa_keys = {
440 .name = "gpio-keys",
441 .id = -1,
442 .dev = {
443 .platform_data = &z2_pxa_keys_data,
444 },
445};
446
447static void __init z2_keys_init(void)
448{
449 platform_device_register(&z2_pxa_keys);
450}
451#else
452static inline void z2_keys_init(void) {}
453#endif
454
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455/******************************************************************************
456 * Battery
457 ******************************************************************************/
458#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
459static struct z2_battery_info batt_chip_info = {
460 .batt_I2C_bus = 0,
461 .batt_I2C_addr = 0x55,
462 .batt_I2C_reg = 2,
463 .charge_gpio = GPIO0_ZIPITZ2_AC_DETECT,
464 .min_voltage = 2400000,
465 .max_voltage = 3700000,
466 .batt_div = 69,
467 .batt_mult = 1000000,
468 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
469 .batt_name = "Z2",
470};
471
472static struct i2c_board_info __initdata z2_i2c_board_info[] = {
473 {
474 I2C_BOARD_INFO("aer915", 0x55),
475 .platform_data = &batt_chip_info,
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476 }, {
477 I2C_BOARD_INFO("wm8750", 0x1b),
478 },
479
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480};
481
482static void __init z2_i2c_init(void)
483{
484 pxa_set_i2c_info(NULL);
485 i2c_register_board_info(0, ARRAY_AND_SIZE(z2_i2c_board_info));
486}
487#else
488static inline void z2_i2c_init(void) {}
489#endif
490
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491/******************************************************************************
492 * SSP Devices - WiFi and LCD control
493 ******************************************************************************/
494#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
495/* WiFi */
496static int z2_lbs_spi_setup(struct spi_device *spi)
497{
498 int ret = 0;
499
500 ret = gpio_request(GPIO15_ZIPITZ2_WIFI_POWER, "WiFi Power");
501 if (ret)
502 goto err;
503
504 ret = gpio_direction_output(GPIO15_ZIPITZ2_WIFI_POWER, 1);
505 if (ret)
506 goto err2;
507
508 ret = gpio_request(GPIO14_ZIPITZ2_WIFI_RESET, "WiFi Reset");
509 if (ret)
510 goto err2;
511
512 ret = gpio_direction_output(GPIO14_ZIPITZ2_WIFI_RESET, 0);
513 if (ret)
514 goto err3;
515
516 /* Reset the card */
517 mdelay(180);
518 gpio_set_value(GPIO14_ZIPITZ2_WIFI_RESET, 1);
519 mdelay(20);
520
521 spi->bits_per_word = 16;
522 spi->mode = SPI_MODE_2,
523
524 spi_setup(spi);
525
526 return 0;
527
528err3:
529 gpio_free(GPIO14_ZIPITZ2_WIFI_RESET);
530err2:
531 gpio_free(GPIO15_ZIPITZ2_WIFI_POWER);
532err:
533 return ret;
534};
535
536static int z2_lbs_spi_teardown(struct spi_device *spi)
537{
538 gpio_set_value(GPIO14_ZIPITZ2_WIFI_RESET, 0);
539 gpio_set_value(GPIO15_ZIPITZ2_WIFI_POWER, 0);
540 gpio_free(GPIO14_ZIPITZ2_WIFI_RESET);
541 gpio_free(GPIO15_ZIPITZ2_WIFI_POWER);
542 return 0;
543
544};
545
546static struct pxa2xx_spi_chip z2_lbs_chip_info = {
547 .rx_threshold = 8,
548 .tx_threshold = 8,
549 .timeout = 1000,
550 .gpio_cs = GPIO24_ZIPITZ2_WIFI_CS,
551};
552
553static struct libertas_spi_platform_data z2_lbs_pdata = {
554 .use_dummy_writes = 1,
555 .setup = z2_lbs_spi_setup,
556 .teardown = z2_lbs_spi_teardown,
557};
558
559/* LCD */
560static struct pxa2xx_spi_chip lms283_chip_info = {
561 .rx_threshold = 1,
562 .tx_threshold = 1,
563 .timeout = 64,
564 .gpio_cs = GPIO88_ZIPITZ2_LCD_CS,
565};
566
567static const struct lms283gf05_pdata lms283_pdata = {
568 .reset_gpio = GPIO19_ZIPITZ2_LCD_RESET,
569};
570
571static struct spi_board_info spi_board_info[] __initdata = {
572{
573 .modalias = "libertas_spi",
574 .platform_data = &z2_lbs_pdata,
575 .controller_data = &z2_lbs_chip_info,
576 .irq = gpio_to_irq(GPIO36_ZIPITZ2_WIFI_IRQ),
577 .max_speed_hz = 13000000,
578 .bus_num = 1,
579 .chip_select = 0,
580},
581{
582 .modalias = "lms283gf05",
583 .controller_data = &lms283_chip_info,
584 .platform_data = &lms283_pdata,
585 .max_speed_hz = 400000,
586 .bus_num = 2,
587 .chip_select = 0,
588},
589};
590
591static struct pxa2xx_spi_master pxa_ssp1_master_info = {
592 .clock_enable = CKEN_SSP,
593 .num_chipselect = 1,
594 .enable_dma = 1,
595};
596
597static struct pxa2xx_spi_master pxa_ssp2_master_info = {
598 .clock_enable = CKEN_SSP2,
599 .num_chipselect = 1,
600};
601
602static void __init z2_spi_init(void)
603{
604 pxa2xx_set_spi_info(1, &pxa_ssp1_master_info);
605 pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
606 spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
607}
608#else
609static inline void z2_spi_init(void) {}
610#endif
611
612/******************************************************************************
613 * Machine init
614 ******************************************************************************/
615static void __init z2_init(void)
616{
617 pxa2xx_mfp_config(ARRAY_AND_SIZE(z2_pin_config));
618
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619 pxa_set_ffuart_info(NULL);
620 pxa_set_btuart_info(NULL);
621 pxa_set_stuart_info(NULL);
622
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623 z2_lcd_init();
624 z2_mmc_init();
625 z2_mkp_init();
d198290d 626 z2_i2c_init();
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627 z2_spi_init();
628 z2_nor_init();
629 z2_pwm_init();
630 z2_leds_init();
631 z2_keys_init();
632}
633
634MACHINE_START(ZIPIT2, "Zipit Z2")
635 .phys_io = 0x40000000,
636 .boot_params = 0xa0000100,
637 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
638 .map_io = pxa_map_io,
639 .init_irq = pxa27x_init_irq,
640 .timer = &pxa_timer,
641 .init_machine = z2_init,
642MACHINE_END
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