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 ******************************************************************************/
48static 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)
120static 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
128static void __init palmtc_mmc_init(void)
129{
130	pxa_set_mci_info(&palmtc_mci_platform_data);
131}
132#else
133static 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)
140static struct gpio_keys_button palmtc_pxa_buttons[] = {
141	{KEY_F8, GPIO_NR_PALMTC_HOTSYNC_BUTTON, 1, "HotSync Button", EV_KEY, 1},
142};
143
144static struct gpio_keys_platform_data palmtc_pxa_keys_data = {
145	.buttons	= palmtc_pxa_buttons,
146	.nbuttons	= ARRAY_SIZE(palmtc_pxa_buttons),
147};
148
149static 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
157static void __init palmtc_keys_init(void)
158{
159	platform_device_register(&palmtc_pxa_keys);
160}
161#else
162static inline void palmtc_keys_init(void) {}
163#endif
164
165/******************************************************************************
166 * Backlight
167 ******************************************************************************/
168#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
169static 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
177static 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
185static void __init palmtc_pwm_init(void)
186{
187	platform_device_register(&palmtc_backlight);
188}
189#else
190static inline void palmtc_pwm_init(void) {}
191#endif
192
193/******************************************************************************
194 * IrDA
195 ******************************************************************************/
196#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
197static 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
202static void __init palmtc_irda_init(void)
203{
204	pxa_set_ficp_info(&palmtc_ficp_platform_data);
205}
206#else
207static inline void palmtc_irda_init(void) {}
208#endif
209
210/******************************************************************************
211 * Keyboard
212 ******************************************************************************/
213#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
214static 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
265const struct matrix_keymap_data palmtc_keymap_data = {
266	.keymap			= palmtc_matrix_keys,
267	.keymap_size		= ARRAY_SIZE(palmtc_matrix_keys),
268};
269
270static const unsigned int palmtc_keypad_row_gpios[] = {
271	0, 9, 10, 11
272};
273
274static const unsigned int palmtc_keypad_col_gpios[] = {
275	18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80
276};
277
278static 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
290static struct platform_device palmtc_keyboard = {
291	.name	= "matrix-keypad",
292	.id	= -1,
293	.dev	= {
294		.platform_data = &palmtc_keypad_platform_data,
295	},
296};
297static void __init palmtc_mkp_init(void)
298{
299	platform_device_register(&palmtc_keyboard);
300}
301#else
302static inline void palmtc_mkp_init(void) {}
303#endif
304
305/******************************************************************************
306 * UDC
307 ******************************************************************************/
308#if defined(CONFIG_USB_PXA25X)||defined(CONFIG_USB_PXA25X_MODULE)
309static 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
315static struct platform_device palmtc_gpio_vbus = {
316	.name	= "gpio-vbus",
317	.id	= -1,
318	.dev	= {
319		.platform_data	= &palmtc_udc_info,
320	},
321};
322
323static void __init palmtc_udc_init(void)
324{
325	platform_device_register(&palmtc_gpio_vbus);
326};
327#else
328static 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)
336static struct platform_device palmtc_ucb1400_device = {
337	.name	= "ucb1400_core",
338	.id	= -1,
339};
340
341static void __init palmtc_ts_init(void)
342{
343	pxa_set_ac97_info(NULL);
344	platform_device_register(&palmtc_ucb1400_device);
345}
346#else
347static inline void palmtc_ts_init(void) {}
348#endif
349
350/******************************************************************************
351 * LEDs
352 ******************************************************************************/
353#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
354struct 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
369static struct gpio_led_platform_data palmtc_gpio_led_info = {
370	.leds		= palmtc_gpio_leds,
371	.num_leds	= ARRAY_SIZE(palmtc_gpio_leds),
372};
373
374static struct platform_device palmtc_leds = {
375	.name	= "leds-gpio",
376	.id	= -1,
377	.dev	= {
378		.platform_data	= &palmtc_gpio_led_info,
379	}
380};
381
382static void __init palmtc_leds_init(void)
383{
384	platform_device_register(&palmtc_leds);
385}
386#else
387static 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)
394static struct resource palmtc_flash_resource = {
395	.start	= PXA_CS0_PHYS,
396	.end	= PXA_CS0_PHYS + SZ_16M - 1,
397	.flags	= IORESOURCE_MEM,
398};
399
400static 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
423static 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
429static 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
439static void __init palmtc_nor_init(void)
440{
441	platform_device_register(&palmtc_flash);
442}
443#else
444static inline void palmtc_nor_init(void) {}
445#endif
446
447/******************************************************************************
448 * Framebuffer
449 ******************************************************************************/
450#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
451static 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
468static 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
474static void __init palmtc_lcd_init(void)
475{
476	pxa_set_fb_info(NULL, &palmtc_lcd_screen);
477}
478#else
479static inline void palmtc_lcd_init(void) {}
480#endif
481
482/******************************************************************************
483 * Machine init
484 ******************************************************************************/
485static 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
506MACHINE_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,
515MACHINE_END
516