1 /*
2 * linux/arch/arm/mach-pxa/palmtc.c
3 *
4 * Support for the Palm Tungsten|C
5 *
6 * Author: Marek Vasut <marek.vasut@gmail.com>
7 *
8 * Based on work of:
9 * Petr Blaha <p3t3@centrum.cz>
10 * Chetan S. Kumar <shivakumar.chetan@gmail.com>
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
15 */
16
17 #include <linux/platform_device.h>
18 #include <linux/delay.h>
19 #include <linux/irq.h>
20 #include <linux/input.h>
21 #include <linux/pwm.h>
22 #include <linux/pwm_backlight.h>
23 #include <linux/gpio.h>
24 #include <linux/input/matrix_keypad.h>
25 #include <linux/ucb1400.h>
26 #include <linux/power_supply.h>
27 #include <linux/gpio_keys.h>
28 #include <linux/mtd/physmap.h>
29 #include <linux/usb/gpio_vbus.h>
30
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
34
35 #include <mach/pxa25x.h>
36 #include <mach/audio.h>
37 #include <mach/palmtc.h>
38 #include <linux/platform_data/mmc-pxamci.h>
39 #include <linux/platform_data/video-pxafb.h>
40 #include <linux/platform_data/irda-pxaficp.h>
41 #include <mach/udc.h>
42
43 #include "generic.h"
44 #include "devices.h"
45
46 /******************************************************************************
47 * Pin configuration
48 ******************************************************************************/
49 static unsigned long palmtc_pin_config[] __initdata = {
50 /* MMC */
51 GPIO6_MMC_CLK,
52 GPIO8_MMC_CS0,
53 GPIO12_GPIO, /* detect */
54 GPIO32_GPIO, /* power */
55 GPIO54_GPIO, /* r/o switch */
56
57 /* PCMCIA */
58 GPIO52_nPCE_1,
59 GPIO53_nPCE_2,
60 GPIO50_nPIOR,
61 GPIO51_nPIOW,
62 GPIO49_nPWE,
63 GPIO48_nPOE,
64 GPIO52_nPCE_1,
65 GPIO53_nPCE_2,
66 GPIO57_nIOIS16,
67 GPIO56_nPWAIT,
68
69 /* AC97 */
70 GPIO28_AC97_BITCLK,
71 GPIO29_AC97_SDATA_IN_0,
72 GPIO30_AC97_SDATA_OUT,
73 GPIO31_AC97_SYNC,
74
75 /* IrDA */
76 GPIO45_GPIO, /* ir disable */
77 GPIO46_FICP_RXD,
78 GPIO47_FICP_TXD,
79
80 /* PWM */
81 GPIO17_PWM1_OUT,
82
83 /* USB */
84 GPIO4_GPIO, /* detect */
85 GPIO36_GPIO, /* pullup */
86
87 /* LCD */
88 GPIOxx_LCD_TFT_16BPP,
89
90 /* MATRIX KEYPAD */
91 GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 0 */
92 GPIO9_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 1 */
93 GPIO10_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 2 */
94 GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 3 */
95 GPIO18_GPIO | MFP_LPM_DRIVE_LOW, /* out 0 */
96 GPIO19_GPIO | MFP_LPM_DRIVE_LOW, /* out 1 */
97 GPIO20_GPIO | MFP_LPM_DRIVE_LOW, /* out 2 */
98 GPIO21_GPIO | MFP_LPM_DRIVE_LOW, /* out 3 */
99 GPIO22_GPIO | MFP_LPM_DRIVE_LOW, /* out 4 */
100 GPIO23_GPIO | MFP_LPM_DRIVE_LOW, /* out 5 */
101 GPIO24_GPIO | MFP_LPM_DRIVE_LOW, /* out 6 */
102 GPIO25_GPIO | MFP_LPM_DRIVE_LOW, /* out 7 */
103 GPIO26_GPIO | MFP_LPM_DRIVE_LOW, /* out 8 */
104 GPIO27_GPIO | MFP_LPM_DRIVE_LOW, /* out 9 */
105 GPIO79_GPIO | MFP_LPM_DRIVE_LOW, /* out 10 */
106 GPIO80_GPIO | MFP_LPM_DRIVE_LOW, /* out 11 */
107
108 /* PXA GPIO KEYS */
109 GPIO7_GPIO | WAKEUP_ON_EDGE_BOTH, /* hotsync button on cradle */
110
111 /* MISC */
112 GPIO1_RST, /* reset */
113 GPIO2_GPIO, /* earphone detect */
114 GPIO16_GPIO, /* backlight switch */
115 };
116
117 /******************************************************************************
118 * SD/MMC card controller
119 ******************************************************************************/
120 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
121 static struct pxamci_platform_data palmtc_mci_platform_data = {
122 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
123 .gpio_power = GPIO_NR_PALMTC_SD_POWER,
124 .gpio_card_ro = GPIO_NR_PALMTC_SD_READONLY,
125 .gpio_card_detect = GPIO_NR_PALMTC_SD_DETECT_N,
126 .detect_delay_ms = 200,
127 };
128
palmtc_mmc_init(void)129 static void __init palmtc_mmc_init(void)
130 {
131 pxa_set_mci_info(&palmtc_mci_platform_data);
132 }
133 #else
palmtc_mmc_init(void)134 static inline void palmtc_mmc_init(void) {}
135 #endif
136
137 /******************************************************************************
138 * GPIO keys
139 ******************************************************************************/
140 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
141 static struct gpio_keys_button palmtc_pxa_buttons[] = {
142 {KEY_F8, GPIO_NR_PALMTC_HOTSYNC_BUTTON, 1, "HotSync Button", EV_KEY, 1},
143 };
144
145 static struct gpio_keys_platform_data palmtc_pxa_keys_data = {
146 .buttons = palmtc_pxa_buttons,
147 .nbuttons = ARRAY_SIZE(palmtc_pxa_buttons),
148 };
149
150 static struct platform_device palmtc_pxa_keys = {
151 .name = "gpio-keys",
152 .id = -1,
153 .dev = {
154 .platform_data = &palmtc_pxa_keys_data,
155 },
156 };
157
palmtc_keys_init(void)158 static void __init palmtc_keys_init(void)
159 {
160 platform_device_register(&palmtc_pxa_keys);
161 }
162 #else
palmtc_keys_init(void)163 static inline void palmtc_keys_init(void) {}
164 #endif
165
166 /******************************************************************************
167 * Backlight
168 ******************************************************************************/
169 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
170 static struct pwm_lookup palmtc_pwm_lookup[] = {
171 PWM_LOOKUP("pxa25x-pwm.1", 0, "pwm-backlight.0", NULL, PALMTC_PERIOD_NS,
172 PWM_POLARITY_NORMAL),
173 };
174
175 static struct platform_pwm_backlight_data palmtc_backlight_data = {
176 .max_brightness = PALMTC_MAX_INTENSITY,
177 .dft_brightness = PALMTC_MAX_INTENSITY,
178 .enable_gpio = GPIO_NR_PALMTC_BL_POWER,
179 };
180
181 static struct platform_device palmtc_backlight = {
182 .name = "pwm-backlight",
183 .dev = {
184 .parent = &pxa25x_device_pwm1.dev,
185 .platform_data = &palmtc_backlight_data,
186 },
187 };
188
palmtc_pwm_init(void)189 static void __init palmtc_pwm_init(void)
190 {
191 pwm_add_table(palmtc_pwm_lookup, ARRAY_SIZE(palmtc_pwm_lookup));
192 platform_device_register(&palmtc_backlight);
193 }
194 #else
palmtc_pwm_init(void)195 static inline void palmtc_pwm_init(void) {}
196 #endif
197
198 /******************************************************************************
199 * IrDA
200 ******************************************************************************/
201 #if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
202 static struct pxaficp_platform_data palmtc_ficp_platform_data = {
203 .gpio_pwdown = GPIO_NR_PALMTC_IR_DISABLE,
204 .transceiver_cap = IR_SIRMODE | IR_OFF,
205 };
206
palmtc_irda_init(void)207 static void __init palmtc_irda_init(void)
208 {
209 pxa_set_ficp_info(&palmtc_ficp_platform_data);
210 }
211 #else
palmtc_irda_init(void)212 static inline void palmtc_irda_init(void) {}
213 #endif
214
215 /******************************************************************************
216 * Keyboard
217 ******************************************************************************/
218 #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
219 static const uint32_t palmtc_matrix_keys[] = {
220 KEY(0, 0, KEY_F1),
221 KEY(0, 1, KEY_X),
222 KEY(0, 2, KEY_POWER),
223 KEY(0, 3, KEY_TAB),
224 KEY(0, 4, KEY_A),
225 KEY(0, 5, KEY_Q),
226 KEY(0, 6, KEY_LEFTSHIFT),
227 KEY(0, 7, KEY_Z),
228 KEY(0, 8, KEY_S),
229 KEY(0, 9, KEY_W),
230 KEY(0, 10, KEY_E),
231 KEY(0, 11, KEY_UP),
232
233 KEY(1, 0, KEY_F2),
234 KEY(1, 1, KEY_DOWN),
235 KEY(1, 3, KEY_D),
236 KEY(1, 4, KEY_C),
237 KEY(1, 5, KEY_F),
238 KEY(1, 6, KEY_R),
239 KEY(1, 7, KEY_SPACE),
240 KEY(1, 8, KEY_V),
241 KEY(1, 9, KEY_G),
242 KEY(1, 10, KEY_T),
243 KEY(1, 11, KEY_LEFT),
244
245 KEY(2, 0, KEY_F3),
246 KEY(2, 1, KEY_LEFTCTRL),
247 KEY(2, 3, KEY_H),
248 KEY(2, 4, KEY_Y),
249 KEY(2, 5, KEY_N),
250 KEY(2, 6, KEY_J),
251 KEY(2, 7, KEY_U),
252 KEY(2, 8, KEY_M),
253 KEY(2, 9, KEY_K),
254 KEY(2, 10, KEY_I),
255 KEY(2, 11, KEY_RIGHT),
256
257 KEY(3, 0, KEY_F4),
258 KEY(3, 1, KEY_ENTER),
259 KEY(3, 3, KEY_DOT),
260 KEY(3, 4, KEY_L),
261 KEY(3, 5, KEY_O),
262 KEY(3, 6, KEY_LEFTALT),
263 KEY(3, 7, KEY_ENTER),
264 KEY(3, 8, KEY_BACKSPACE),
265 KEY(3, 9, KEY_P),
266 KEY(3, 10, KEY_B),
267 KEY(3, 11, KEY_FN),
268 };
269
270 const struct matrix_keymap_data palmtc_keymap_data = {
271 .keymap = palmtc_matrix_keys,
272 .keymap_size = ARRAY_SIZE(palmtc_matrix_keys),
273 };
274
275 static const unsigned int palmtc_keypad_row_gpios[] = {
276 0, 9, 10, 11
277 };
278
279 static const unsigned int palmtc_keypad_col_gpios[] = {
280 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80
281 };
282
283 static struct matrix_keypad_platform_data palmtc_keypad_platform_data = {
284 .keymap_data = &palmtc_keymap_data,
285 .row_gpios = palmtc_keypad_row_gpios,
286 .num_row_gpios = ARRAY_SIZE(palmtc_keypad_row_gpios),
287 .col_gpios = palmtc_keypad_col_gpios,
288 .num_col_gpios = ARRAY_SIZE(palmtc_keypad_col_gpios),
289 .active_low = 1,
290
291 .debounce_ms = 20,
292 .col_scan_delay_us = 5,
293 };
294
295 static struct platform_device palmtc_keyboard = {
296 .name = "matrix-keypad",
297 .id = -1,
298 .dev = {
299 .platform_data = &palmtc_keypad_platform_data,
300 },
301 };
palmtc_mkp_init(void)302 static void __init palmtc_mkp_init(void)
303 {
304 platform_device_register(&palmtc_keyboard);
305 }
306 #else
palmtc_mkp_init(void)307 static inline void palmtc_mkp_init(void) {}
308 #endif
309
310 /******************************************************************************
311 * UDC
312 ******************************************************************************/
313 #if defined(CONFIG_USB_PXA25X)||defined(CONFIG_USB_PXA25X_MODULE)
314 static struct gpio_vbus_mach_info palmtc_udc_info = {
315 .gpio_vbus = GPIO_NR_PALMTC_USB_DETECT_N,
316 .gpio_vbus_inverted = 1,
317 .gpio_pullup = GPIO_NR_PALMTC_USB_POWER,
318 };
319
320 static struct platform_device palmtc_gpio_vbus = {
321 .name = "gpio-vbus",
322 .id = -1,
323 .dev = {
324 .platform_data = &palmtc_udc_info,
325 },
326 };
327
palmtc_udc_init(void)328 static void __init palmtc_udc_init(void)
329 {
330 platform_device_register(&palmtc_gpio_vbus);
331 };
332 #else
palmtc_udc_init(void)333 static inline void palmtc_udc_init(void) {}
334 #endif
335
336 /******************************************************************************
337 * Touchscreen / Battery / GPIO-extender
338 ******************************************************************************/
339 #if defined(CONFIG_TOUCHSCREEN_UCB1400) || \
340 defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
341 static struct platform_device palmtc_ucb1400_device = {
342 .name = "ucb1400_core",
343 .id = -1,
344 };
345
palmtc_ts_init(void)346 static void __init palmtc_ts_init(void)
347 {
348 pxa_set_ac97_info(NULL);
349 platform_device_register(&palmtc_ucb1400_device);
350 }
351 #else
palmtc_ts_init(void)352 static inline void palmtc_ts_init(void) {}
353 #endif
354
355 /******************************************************************************
356 * LEDs
357 ******************************************************************************/
358 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
359 struct gpio_led palmtc_gpio_leds[] = {
360 {
361 .name = "palmtc:green:user",
362 .default_trigger = "none",
363 .gpio = GPIO_NR_PALMTC_LED_POWER,
364 .active_low = 1,
365 }, {
366 .name = "palmtc:vibra:vibra",
367 .default_trigger = "none",
368 .gpio = GPIO_NR_PALMTC_VIBRA_POWER,
369 .active_low = 1,
370 }
371
372 };
373
374 static struct gpio_led_platform_data palmtc_gpio_led_info = {
375 .leds = palmtc_gpio_leds,
376 .num_leds = ARRAY_SIZE(palmtc_gpio_leds),
377 };
378
379 static struct platform_device palmtc_leds = {
380 .name = "leds-gpio",
381 .id = -1,
382 .dev = {
383 .platform_data = &palmtc_gpio_led_info,
384 }
385 };
386
palmtc_leds_init(void)387 static void __init palmtc_leds_init(void)
388 {
389 platform_device_register(&palmtc_leds);
390 }
391 #else
palmtc_leds_init(void)392 static inline void palmtc_leds_init(void) {}
393 #endif
394
395 /******************************************************************************
396 * NOR Flash
397 ******************************************************************************/
398 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
399 static struct resource palmtc_flash_resource = {
400 .start = PXA_CS0_PHYS,
401 .end = PXA_CS0_PHYS + SZ_16M - 1,
402 .flags = IORESOURCE_MEM,
403 };
404
405 static struct mtd_partition palmtc_flash_parts[] = {
406 {
407 .name = "U-Boot Bootloader",
408 .offset = 0x0,
409 .size = 0x40000,
410 },
411 {
412 .name = "Linux Kernel",
413 .offset = 0x40000,
414 .size = 0x2c0000,
415 },
416 {
417 .name = "Filesystem",
418 .offset = 0x300000,
419 .size = 0xcc0000,
420 },
421 {
422 .name = "U-Boot Environment",
423 .offset = 0xfc0000,
424 .size = MTDPART_SIZ_FULL,
425 },
426 };
427
428 static struct physmap_flash_data palmtc_flash_data = {
429 .width = 4,
430 .parts = palmtc_flash_parts,
431 .nr_parts = ARRAY_SIZE(palmtc_flash_parts),
432 };
433
434 static struct platform_device palmtc_flash = {
435 .name = "physmap-flash",
436 .id = -1,
437 .resource = &palmtc_flash_resource,
438 .num_resources = 1,
439 .dev = {
440 .platform_data = &palmtc_flash_data,
441 },
442 };
443
palmtc_nor_init(void)444 static void __init palmtc_nor_init(void)
445 {
446 platform_device_register(&palmtc_flash);
447 }
448 #else
palmtc_nor_init(void)449 static inline void palmtc_nor_init(void) {}
450 #endif
451
452 /******************************************************************************
453 * Framebuffer
454 ******************************************************************************/
455 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
456 static struct pxafb_mode_info palmtc_lcd_modes[] = {
457 {
458 .pixclock = 115384,
459 .xres = 320,
460 .yres = 320,
461 .bpp = 16,
462
463 .left_margin = 27,
464 .right_margin = 7,
465 .upper_margin = 7,
466 .lower_margin = 8,
467
468 .hsync_len = 6,
469 .vsync_len = 1,
470 },
471 };
472
473 static struct pxafb_mach_info palmtc_lcd_screen = {
474 .modes = palmtc_lcd_modes,
475 .num_modes = ARRAY_SIZE(palmtc_lcd_modes),
476 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
477 };
478
palmtc_lcd_init(void)479 static void __init palmtc_lcd_init(void)
480 {
481 pxa_set_fb_info(NULL, &palmtc_lcd_screen);
482 }
483 #else
palmtc_lcd_init(void)484 static inline void palmtc_lcd_init(void) {}
485 #endif
486
487 /******************************************************************************
488 * Machine init
489 ******************************************************************************/
palmtc_init(void)490 static void __init palmtc_init(void)
491 {
492 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config));
493
494 pxa_set_ffuart_info(NULL);
495 pxa_set_btuart_info(NULL);
496 pxa_set_stuart_info(NULL);
497 pxa_set_hwuart_info(NULL);
498
499 palmtc_mmc_init();
500 palmtc_keys_init();
501 palmtc_pwm_init();
502 palmtc_irda_init();
503 palmtc_mkp_init();
504 palmtc_udc_init();
505 palmtc_ts_init();
506 palmtc_nor_init();
507 palmtc_lcd_init();
508 palmtc_leds_init();
509 };
510
511 MACHINE_START(PALMTC, "Palm Tungsten|C")
512 .atag_offset = 0x100,
513 .map_io = pxa25x_map_io,
514 .nr_irqs = PXA_NR_IRQS,
515 .init_irq = pxa25x_init_irq,
516 .handle_irq = pxa25x_handle_irq,
517 .init_time = pxa_timer_init,
518 .init_machine = palmtc_init,
519 .restart = pxa_restart,
520 MACHINE_END
521