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