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 ******************************************************************************/
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 */
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)
121static 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
129static 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
137/******************************************************************************
138 * GPIO keys
139 ******************************************************************************/
140#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
141static 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
158static 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
166/******************************************************************************
167 * Backlight
168 ******************************************************************************/
169#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
170static 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
175static 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
181static 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
189static 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
195static inline void palmtc_pwm_init(void) {}
196#endif
197
198/******************************************************************************
199 * IrDA
200 ******************************************************************************/
201#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
202static 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
207static void __init palmtc_irda_init(void)
208{
209	pxa_set_ficp_info(&palmtc_ficp_platform_data);
210}
211#else
212static inline void palmtc_irda_init(void) {}
213#endif
214
215/******************************************************************************
216 * Keyboard
217 ******************************************************************************/
218#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
219static 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
270const struct matrix_keymap_data palmtc_keymap_data = {
271	.keymap			= palmtc_matrix_keys,
272	.keymap_size		= ARRAY_SIZE(palmtc_matrix_keys),
273};
274
275static const unsigned int palmtc_keypad_row_gpios[] = {
276	0, 9, 10, 11
277};
278
279static const unsigned int palmtc_keypad_col_gpios[] = {
280	18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80
281};
282
283static 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
295static struct platform_device palmtc_keyboard = {
296	.name	= "matrix-keypad",
297	.id	= -1,
298	.dev	= {
299		.platform_data = &palmtc_keypad_platform_data,
300	},
301};
302static void __init palmtc_mkp_init(void)
303{
304	platform_device_register(&palmtc_keyboard);
305}
306#else
307static inline void palmtc_mkp_init(void) {}
308#endif
309
310/******************************************************************************
311 * UDC
312 ******************************************************************************/
313#if defined(CONFIG_USB_PXA25X)||defined(CONFIG_USB_PXA25X_MODULE)
314static 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
320static struct platform_device palmtc_gpio_vbus = {
321	.name	= "gpio-vbus",
322	.id	= -1,
323	.dev	= {
324		.platform_data	= &palmtc_udc_info,
325	},
326};
327
328static void __init palmtc_udc_init(void)
329{
330	platform_device_register(&palmtc_gpio_vbus);
331};
332#else
333static 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)
341static struct platform_device palmtc_ucb1400_device = {
342	.name	= "ucb1400_core",
343	.id	= -1,
344};
345
346static void __init palmtc_ts_init(void)
347{
348	pxa_set_ac97_info(NULL);
349	platform_device_register(&palmtc_ucb1400_device);
350}
351#else
352static inline void palmtc_ts_init(void) {}
353#endif
354
355/******************************************************************************
356 * LEDs
357 ******************************************************************************/
358#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
359struct 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
374static struct gpio_led_platform_data palmtc_gpio_led_info = {
375	.leds		= palmtc_gpio_leds,
376	.num_leds	= ARRAY_SIZE(palmtc_gpio_leds),
377};
378
379static struct platform_device palmtc_leds = {
380	.name	= "leds-gpio",
381	.id	= -1,
382	.dev	= {
383		.platform_data	= &palmtc_gpio_led_info,
384	}
385};
386
387static void __init palmtc_leds_init(void)
388{
389	platform_device_register(&palmtc_leds);
390}
391#else
392static 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)
399static struct resource palmtc_flash_resource = {
400	.start	= PXA_CS0_PHYS,
401	.end	= PXA_CS0_PHYS + SZ_16M - 1,
402	.flags	= IORESOURCE_MEM,
403};
404
405static 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
428static 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
434static 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
444static void __init palmtc_nor_init(void)
445{
446	platform_device_register(&palmtc_flash);
447}
448#else
449static inline void palmtc_nor_init(void) {}
450#endif
451
452/******************************************************************************
453 * Framebuffer
454 ******************************************************************************/
455#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
456static 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
473static 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
479static void __init palmtc_lcd_init(void)
480{
481	pxa_set_fb_info(NULL, &palmtc_lcd_screen);
482}
483#else
484static inline void palmtc_lcd_init(void) {}
485#endif
486
487/******************************************************************************
488 * Machine init
489 ******************************************************************************/
490static 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
511MACHINE_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,
520MACHINE_END
521