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Marek Vasut5d783a22009-07-16 13:26:48 +02001/*
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>
Marek Vasut4c6a8322010-08-09 05:01:45 +020028#include <linux/usb/gpio_vbus.h>
Marek Vasut5d783a22009-07-16 13:26:48 +020029
30#include <asm/mach-types.h>
31#include <asm/mach/arch.h>
32#include <asm/mach/map.h>
33
34#include <mach/audio.h>
35#include <mach/palmtc.h>
36#include <mach/mmc.h>
37#include <mach/pxafb.h>
38#include <mach/mfp-pxa25x.h>
39#include <mach/irda.h>
40#include <mach/udc.h>
41#include <mach/pxa2xx-regs.h>
42
43#include "generic.h"
44#include "devices.h"
45
46/******************************************************************************
47 * Pin configuration
48 ******************************************************************************/
49static 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 */
Eric Miao07bae6c2010-01-04 11:25:10 +080088 GPIOxx_LCD_TFT_16BPP,
Marek Vasut5d783a22009-07-16 13:26:48 +020089
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 ******************************************************************************/
Marek Vasut4c6a8322010-08-09 05:01:45 +0200120#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
Marek Vasut5d783a22009-07-16 13:26:48 +0200121static 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,
Eric Miaof97cab22010-04-14 07:00:42 +0800126 .detect_delay_ms = 200,
Marek Vasut5d783a22009-07-16 13:26:48 +0200127};
128
Marek Vasut4c6a8322010-08-09 05:01:45 +0200129static void __init palmtc_mmc_init(void)
130{
131 pxa_set_mci_info(&palmtc_mci_platform_data);
132}
133#else
134static inline void palmtc_mmc_init(void) {}
135#endif
136
Marek Vasut5d783a22009-07-16 13:26:48 +0200137/******************************************************************************
138 * GPIO keys
139 ******************************************************************************/
Marek Vasut4c6a8322010-08-09 05:01:45 +0200140#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
Marek Vasut5d783a22009-07-16 13:26:48 +0200141static struct gpio_keys_button palmtc_pxa_buttons[] = {
142 {KEY_F8, GPIO_NR_PALMTC_HOTSYNC_BUTTON, 1, "HotSync Button", EV_KEY, 1},
143};
144
145static struct gpio_keys_platform_data palmtc_pxa_keys_data = {
146 .buttons = palmtc_pxa_buttons,
147 .nbuttons = ARRAY_SIZE(palmtc_pxa_buttons),
148};
149
150static 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
Marek Vasut4c6a8322010-08-09 05:01:45 +0200158static void __init palmtc_keys_init(void)
159{
160 platform_device_register(&palmtc_pxa_keys);
161}
162#else
163static inline void palmtc_keys_init(void) {}
164#endif
165
Marek Vasut5d783a22009-07-16 13:26:48 +0200166/******************************************************************************
167 * Backlight
168 ******************************************************************************/
Marek Vasut4c6a8322010-08-09 05:01:45 +0200169#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
Marek Vasut5d783a22009-07-16 13:26:48 +0200170static int palmtc_backlight_init(struct device *dev)
171{
172 int ret;
173
174 ret = gpio_request(GPIO_NR_PALMTC_BL_POWER, "BL POWER");
175 if (ret)
176 goto err;
177 ret = gpio_direction_output(GPIO_NR_PALMTC_BL_POWER, 1);
178 if (ret)
179 goto err2;
180
181 return 0;
182
183err2:
184 gpio_free(GPIO_NR_PALMTC_BL_POWER);
185err:
186 return ret;
187}
188
Eric Miao2d51a522010-01-04 11:42:01 +0800189static int palmtc_backlight_notify(struct device *dev, int brightness)
Marek Vasut5d783a22009-07-16 13:26:48 +0200190{
191 /* backlight is on when GPIO16 AF0 is high */
192 gpio_set_value(GPIO_NR_PALMTC_BL_POWER, brightness);
193 return brightness;
194}
195
196static void palmtc_backlight_exit(struct device *dev)
197{
198 gpio_free(GPIO_NR_PALMTC_BL_POWER);
199}
200
201static struct platform_pwm_backlight_data palmtc_backlight_data = {
202 .pwm_id = 1,
203 .max_brightness = PALMTC_MAX_INTENSITY,
204 .dft_brightness = PALMTC_MAX_INTENSITY,
205 .pwm_period_ns = PALMTC_PERIOD_NS,
206 .init = palmtc_backlight_init,
207 .notify = palmtc_backlight_notify,
208 .exit = palmtc_backlight_exit,
209};
210
211static struct platform_device palmtc_backlight = {
212 .name = "pwm-backlight",
213 .dev = {
214 .parent = &pxa25x_device_pwm1.dev,
215 .platform_data = &palmtc_backlight_data,
216 },
217};
218
Marek Vasut4c6a8322010-08-09 05:01:45 +0200219static void __init palmtc_pwm_init(void)
220{
221 platform_device_register(&palmtc_backlight);
222}
223#else
224static inline void palmtc_pwm_init(void) {}
225#endif
226
Marek Vasut5d783a22009-07-16 13:26:48 +0200227/******************************************************************************
228 * IrDA
229 ******************************************************************************/
Marek Vasut4c6a8322010-08-09 05:01:45 +0200230#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
Marek Vasut5d783a22009-07-16 13:26:48 +0200231static struct pxaficp_platform_data palmtc_ficp_platform_data = {
Marek Vasutc4bd0172009-07-17 12:50:43 +0200232 .gpio_pwdown = GPIO_NR_PALMTC_IR_DISABLE,
233 .transceiver_cap = IR_SIRMODE | IR_OFF,
Marek Vasut5d783a22009-07-16 13:26:48 +0200234};
235
Marek Vasut4c6a8322010-08-09 05:01:45 +0200236static void __init palmtc_irda_init(void)
237{
238 pxa_set_ficp_info(&palmtc_ficp_platform_data);
239}
240#else
241static inline void palmtc_irda_init(void) {}
242#endif
243
Marek Vasut5d783a22009-07-16 13:26:48 +0200244/******************************************************************************
245 * Keyboard
246 ******************************************************************************/
Marek Vasut4c6a8322010-08-09 05:01:45 +0200247#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
Marek Vasut5d783a22009-07-16 13:26:48 +0200248static const uint32_t palmtc_matrix_keys[] = {
249 KEY(0, 0, KEY_F1),
250 KEY(0, 1, KEY_X),
251 KEY(0, 2, KEY_POWER),
252 KEY(0, 3, KEY_TAB),
253 KEY(0, 4, KEY_A),
254 KEY(0, 5, KEY_Q),
255 KEY(0, 6, KEY_LEFTSHIFT),
256 KEY(0, 7, KEY_Z),
257 KEY(0, 8, KEY_S),
258 KEY(0, 9, KEY_W),
259 KEY(0, 10, KEY_E),
260 KEY(0, 11, KEY_UP),
261
262 KEY(1, 0, KEY_F2),
263 KEY(1, 1, KEY_DOWN),
264 KEY(1, 3, KEY_D),
265 KEY(1, 4, KEY_C),
266 KEY(1, 5, KEY_F),
267 KEY(1, 6, KEY_R),
268 KEY(1, 7, KEY_SPACE),
269 KEY(1, 8, KEY_V),
270 KEY(1, 9, KEY_G),
271 KEY(1, 10, KEY_T),
272 KEY(1, 11, KEY_LEFT),
273
274 KEY(2, 0, KEY_F3),
275 KEY(2, 1, KEY_LEFTCTRL),
276 KEY(2, 3, KEY_H),
277 KEY(2, 4, KEY_Y),
278 KEY(2, 5, KEY_N),
279 KEY(2, 6, KEY_J),
280 KEY(2, 7, KEY_U),
281 KEY(2, 8, KEY_M),
282 KEY(2, 9, KEY_K),
283 KEY(2, 10, KEY_I),
284 KEY(2, 11, KEY_RIGHT),
285
286 KEY(3, 0, KEY_F4),
287 KEY(3, 1, KEY_ENTER),
288 KEY(3, 3, KEY_DOT),
289 KEY(3, 4, KEY_L),
290 KEY(3, 5, KEY_O),
291 KEY(3, 6, KEY_LEFTALT),
292 KEY(3, 7, KEY_ENTER),
293 KEY(3, 8, KEY_BACKSPACE),
294 KEY(3, 9, KEY_P),
295 KEY(3, 10, KEY_B),
296 KEY(3, 11, KEY_FN),
297};
298
299const struct matrix_keymap_data palmtc_keymap_data = {
300 .keymap = palmtc_matrix_keys,
301 .keymap_size = ARRAY_SIZE(palmtc_matrix_keys),
302};
303
Tobias Klauser600ae402010-05-20 10:31:46 +0200304static const unsigned int palmtc_keypad_row_gpios[] = {
Marek Vasut5d783a22009-07-16 13:26:48 +0200305 0, 9, 10, 11
306};
307
Tobias Klauser600ae402010-05-20 10:31:46 +0200308static const unsigned int palmtc_keypad_col_gpios[] = {
Marek Vasut5d783a22009-07-16 13:26:48 +0200309 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80
310};
311
312static struct matrix_keypad_platform_data palmtc_keypad_platform_data = {
313 .keymap_data = &palmtc_keymap_data,
Ondrej Zajicek902805d2009-10-26 23:59:30 +0100314 .row_gpios = palmtc_keypad_row_gpios,
315 .num_row_gpios = ARRAY_SIZE(palmtc_keypad_row_gpios),
316 .col_gpios = palmtc_keypad_col_gpios,
317 .num_col_gpios = ARRAY_SIZE(palmtc_keypad_col_gpios),
Marek Vasut5d783a22009-07-16 13:26:48 +0200318 .active_low = 1,
319
320 .debounce_ms = 20,
321 .col_scan_delay_us = 5,
322};
323
324static struct platform_device palmtc_keyboard = {
325 .name = "matrix-keypad",
326 .id = -1,
327 .dev = {
328 .platform_data = &palmtc_keypad_platform_data,
329 },
330};
Marek Vasut4c6a8322010-08-09 05:01:45 +0200331static void __init palmtc_mkp_init(void)
332{
333 platform_device_register(&palmtc_keyboard);
334}
335#else
336static inline void palmtc_mkp_init(void) {}
337#endif
Marek Vasut5d783a22009-07-16 13:26:48 +0200338
339/******************************************************************************
340 * UDC
341 ******************************************************************************/
Marek Vasut4c6a8322010-08-09 05:01:45 +0200342#if defined(CONFIG_USB_GADGET_PXA25X)||defined(CONFIG_USB_GADGET_PXA25X_MODULE)
343static struct gpio_vbus_mach_info palmtc_udc_info = {
Marek Vasut5d783a22009-07-16 13:26:48 +0200344 .gpio_vbus = GPIO_NR_PALMTC_USB_DETECT_N,
345 .gpio_vbus_inverted = 1,
346 .gpio_pullup = GPIO_NR_PALMTC_USB_POWER,
347};
348
Marek Vasut4c6a8322010-08-09 05:01:45 +0200349static struct platform_device palmtc_gpio_vbus = {
350 .name = "gpio-vbus",
351 .id = -1,
352 .dev = {
353 .platform_data = &palmtc_udc_info,
354 },
355};
356
357static void __init palmtc_udc_init(void)
358{
359 platform_device_register(&palmtc_gpio_vbus);
360};
361#else
362static inline void palmtc_udc_init(void) {}
363#endif
364
Marek Vasut5d783a22009-07-16 13:26:48 +0200365/******************************************************************************
366 * Touchscreen / Battery / GPIO-extender
367 ******************************************************************************/
Marek Vasut4c6a8322010-08-09 05:01:45 +0200368#if defined(CONFIG_TOUCHSCREEN_UCB1400) || \
369 defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
370static struct platform_device palmtc_ucb1400_device = {
Marek Vasut5d783a22009-07-16 13:26:48 +0200371 .name = "ucb1400_core",
372 .id = -1,
373};
374
Marek Vasut4c6a8322010-08-09 05:01:45 +0200375static void __init palmtc_ts_init(void)
376{
377 pxa_set_ac97_info(NULL);
378 platform_device_register(&palmtc_ucb1400_device);
379}
380#else
381static inline void palmtc_ts_init(void) {}
382#endif
383
Marek Vasut5d783a22009-07-16 13:26:48 +0200384/******************************************************************************
Marek Vasut5fe2acc2010-08-09 06:13:06 +0200385 * LEDs
386 ******************************************************************************/
387#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
388struct gpio_led palmtc_gpio_leds[] = {
389{
390 .name = "palmtc:green:user",
391 .default_trigger = "none",
392 .gpio = GPIO_NR_PALMTC_LED_POWER,
393 .active_low = 1,
394}, {
395 .name = "palmtc:vibra:vibra",
396 .default_trigger = "none",
397 .gpio = GPIO_NR_PALMTC_VIBRA_POWER,
398 .active_low = 1,
399}
400
401};
402
403static struct gpio_led_platform_data palmtc_gpio_led_info = {
404 .leds = palmtc_gpio_leds,
405 .num_leds = ARRAY_SIZE(palmtc_gpio_leds),
406};
407
408static struct platform_device palmtc_leds = {
409 .name = "leds-gpio",
410 .id = -1,
411 .dev = {
412 .platform_data = &palmtc_gpio_led_info,
413 }
414};
415
416static void __init palmtc_leds_init(void)
417{
418 platform_device_register(&palmtc_leds);
419}
420#else
421static inline void palmtc_leds_init(void) {}
422#endif
423
424/******************************************************************************
Marek Vasut5d783a22009-07-16 13:26:48 +0200425 * NOR Flash
426 ******************************************************************************/
Marek Vasut4c6a8322010-08-09 05:01:45 +0200427#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
Marek Vasut5d783a22009-07-16 13:26:48 +0200428static struct resource palmtc_flash_resource = {
429 .start = PXA_CS0_PHYS,
430 .end = PXA_CS0_PHYS + SZ_16M - 1,
431 .flags = IORESOURCE_MEM,
432};
433
434static struct mtd_partition palmtc_flash_parts[] = {
435 {
436 .name = "U-Boot Bootloader",
437 .offset = 0x0,
438 .size = 0x40000,
439 },
440 {
441 .name = "Linux Kernel",
442 .offset = 0x40000,
443 .size = 0x2c0000,
444 },
445 {
446 .name = "Filesystem",
447 .offset = 0x300000,
448 .size = 0xcc0000,
449 },
450 {
451 .name = "U-Boot Environment",
452 .offset = 0xfc0000,
453 .size = MTDPART_SIZ_FULL,
454 },
455};
456
457static struct physmap_flash_data palmtc_flash_data = {
458 .width = 4,
459 .parts = palmtc_flash_parts,
460 .nr_parts = ARRAY_SIZE(palmtc_flash_parts),
461};
462
463static struct platform_device palmtc_flash = {
464 .name = "physmap-flash",
465 .id = -1,
466 .resource = &palmtc_flash_resource,
467 .num_resources = 1,
468 .dev = {
469 .platform_data = &palmtc_flash_data,
470 },
471};
472
Marek Vasut4c6a8322010-08-09 05:01:45 +0200473static void __init palmtc_nor_init(void)
474{
475 platform_device_register(&palmtc_flash);
476}
477#else
478static inline void palmtc_nor_init(void) {}
479#endif
480
Marek Vasut5d783a22009-07-16 13:26:48 +0200481/******************************************************************************
482 * Framebuffer
483 ******************************************************************************/
Marek Vasut4c6a8322010-08-09 05:01:45 +0200484#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
Marek Vasut5d783a22009-07-16 13:26:48 +0200485static struct pxafb_mode_info palmtc_lcd_modes[] = {
Marek Vasut4c6a8322010-08-09 05:01:45 +0200486 {
487 .pixclock = 115384,
488 .xres = 320,
489 .yres = 320,
490 .bpp = 16,
Marek Vasut5d783a22009-07-16 13:26:48 +0200491
Marek Vasut4c6a8322010-08-09 05:01:45 +0200492 .left_margin = 27,
493 .right_margin = 7,
494 .upper_margin = 7,
495 .lower_margin = 8,
Marek Vasut5d783a22009-07-16 13:26:48 +0200496
Marek Vasut4c6a8322010-08-09 05:01:45 +0200497 .hsync_len = 6,
498 .vsync_len = 1,
499 },
Marek Vasut5d783a22009-07-16 13:26:48 +0200500};
501
502static struct pxafb_mach_info palmtc_lcd_screen = {
503 .modes = palmtc_lcd_modes,
504 .num_modes = ARRAY_SIZE(palmtc_lcd_modes),
505 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
506};
507
Marek Vasut4c6a8322010-08-09 05:01:45 +0200508static void __init palmtc_lcd_init(void)
509{
510 set_pxa_fb_info(&palmtc_lcd_screen);
511}
512#else
513static inline void palmtc_lcd_init(void) {}
514#endif
515
Marek Vasut5d783a22009-07-16 13:26:48 +0200516/******************************************************************************
517 * Machine init
518 ******************************************************************************/
Marek Vasut5d783a22009-07-16 13:26:48 +0200519static void __init palmtc_init(void)
520{
521 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config));
522
Russell Kingcc155c62009-11-09 13:34:08 +0800523 pxa_set_ffuart_info(NULL);
524 pxa_set_btuart_info(NULL);
525 pxa_set_stuart_info(NULL);
526 pxa_set_hwuart_info(NULL);
527
Marek Vasut4c6a8322010-08-09 05:01:45 +0200528 palmtc_mmc_init();
529 palmtc_keys_init();
530 palmtc_pwm_init();
531 palmtc_irda_init();
532 palmtc_mkp_init();
533 palmtc_udc_init();
534 palmtc_ts_init();
535 palmtc_nor_init();
536 palmtc_lcd_init();
Marek Vasut5fe2acc2010-08-09 06:13:06 +0200537 palmtc_leds_init();
Marek Vasut5d783a22009-07-16 13:26:48 +0200538};
539
540MACHINE_START(PALMTC, "Palm Tungsten|C")
Marek Vasut5d783a22009-07-16 13:26:48 +0200541 .boot_params = 0xa0000100,
Marek Vasut851982c2010-10-11 02:20:19 +0200542 .map_io = pxa25x_map_io,
Marek Vasut5d783a22009-07-16 13:26:48 +0200543 .init_irq = pxa25x_init_irq,
544 .timer = &pxa_timer,
545 .init_machine = palmtc_init
546MACHINE_END