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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-pxa/
1/*
2 * Hardware definitions for Palm LifeDrive
3 *
4 * Author:     Marek Vasut <marek.vasut@gmail.com>
5 *
6 * Based on work of:
7 *		Alex Osborne <ato@meshy.org>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 *
13 * (find more info at www.hackndev.com)
14 *
15 */
16
17#include <linux/platform_device.h>
18#include <linux/delay.h>
19#include <linux/irq.h>
20#include <linux/gpio_keys.h>
21#include <linux/input.h>
22#include <linux/pda_power.h>
23#include <linux/pwm_backlight.h>
24#include <linux/gpio.h>
25#include <linux/wm97xx.h>
26#include <linux/power_supply.h>
27#include <linux/sysdev.h>
28#include <linux/mtd/mtd.h>
29#include <linux/mtd/partitions.h>
30#include <linux/mtd/physmap.h>
31
32#include <asm/mach-types.h>
33#include <asm/mach/arch.h>
34#include <asm/mach/map.h>
35
36#include <mach/pxa27x.h>
37#include <mach/audio.h>
38#include <mach/palmld.h>
39#include <mach/mmc.h>
40#include <mach/pxafb.h>
41#include <mach/irda.h>
42#include <mach/pxa27x_keypad.h>
43#include <mach/palmasoc.h>
44#include <mach/palm27x.h>
45
46#include "generic.h"
47#include "devices.h"
48
49/******************************************************************************
50 * Pin configuration
51 ******************************************************************************/
52static unsigned long palmld_pin_config[] __initdata = {
53	/* MMC */
54	GPIO32_MMC_CLK,
55	GPIO92_MMC_DAT_0,
56	GPIO109_MMC_DAT_1,
57	GPIO110_MMC_DAT_2,
58	GPIO111_MMC_DAT_3,
59	GPIO112_MMC_CMD,
60	GPIO14_GPIO,	/* SD detect */
61	GPIO114_GPIO,	/* SD power */
62	GPIO116_GPIO,	/* SD r/o switch */
63
64	/* AC97 */
65	GPIO28_AC97_BITCLK,
66	GPIO29_AC97_SDATA_IN_0,
67	GPIO30_AC97_SDATA_OUT,
68	GPIO31_AC97_SYNC,
69	GPIO89_AC97_SYSCLK,
70	GPIO95_AC97_nRESET,
71
72	/* IrDA */
73	GPIO108_GPIO,	/* ir disable */
74	GPIO46_FICP_RXD,
75	GPIO47_FICP_TXD,
76
77	/* MATRIX KEYPAD */
78	GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
79	GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
80	GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
81	GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
82	GPIO103_KP_MKOUT_0,
83	GPIO104_KP_MKOUT_1,
84	GPIO105_KP_MKOUT_2,
85
86	/* LCD */
87	GPIOxx_LCD_TFT_16BPP,
88
89	/* PWM */
90	GPIO16_PWM0_OUT,
91
92	/* GPIO KEYS */
93	GPIO10_GPIO,	/* hotsync button */
94	GPIO12_GPIO,	/* power switch */
95	GPIO15_GPIO,	/* lock switch */
96
97	/* LEDs */
98	GPIO52_GPIO,	/* green led */
99	GPIO94_GPIO,	/* orange led */
100
101	/* PCMCIA */
102	GPIO48_nPOE,
103	GPIO49_nPWE,
104	GPIO50_nPIOR,
105	GPIO51_nPIOW,
106	GPIO85_nPCE_1,
107	GPIO54_nPCE_2,
108	GPIO79_PSKTSEL,
109	GPIO55_nPREG,
110	GPIO56_nPWAIT,
111	GPIO57_nIOIS16,
112	GPIO36_GPIO,	/* wifi power */
113	GPIO38_GPIO,	/* wifi ready */
114	GPIO81_GPIO,	/* wifi reset */
115
116	/* FFUART */
117	GPIO34_FFUART_RXD,
118	GPIO39_FFUART_TXD,
119
120	/* HDD */
121	GPIO98_GPIO,	/* HDD reset */
122	GPIO115_GPIO,	/* HDD power */
123
124	/* MISC */
125	GPIO13_GPIO,	/* earphone detect */
126};
127
128/******************************************************************************
129 * NOR Flash
130 ******************************************************************************/
131#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
132static struct mtd_partition palmld_partitions[] = {
133	{
134		.name		= "Flash",
135		.offset		= 0x00000000,
136		.size		= MTDPART_SIZ_FULL,
137		.mask_flags	= 0
138	}
139};
140
141static struct physmap_flash_data palmld_flash_data[] = {
142	{
143		.width		= 2,			/* bankwidth in bytes */
144		.parts		= palmld_partitions,
145		.nr_parts	= ARRAY_SIZE(palmld_partitions)
146	}
147};
148
149static struct resource palmld_flash_resource = {
150	.start	= PXA_CS0_PHYS,
151	.end	= PXA_CS0_PHYS + SZ_4M - 1,
152	.flags	= IORESOURCE_MEM,
153};
154
155static struct platform_device palmld_flash = {
156	.name		= "physmap-flash",
157	.id		= 0,
158	.resource	= &palmld_flash_resource,
159	.num_resources	= 1,
160	.dev 		= {
161		.platform_data = palmld_flash_data,
162	},
163};
164
165static void __init palmld_nor_init(void)
166{
167	platform_device_register(&palmld_flash);
168}
169#else
170static inline void palmld_nor_init(void) {}
171#endif
172
173/******************************************************************************
174 * GPIO keyboard
175 ******************************************************************************/
176#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
177static unsigned int palmld_matrix_keys[] = {
178	KEY(0, 1, KEY_F2),
179	KEY(0, 2, KEY_UP),
180
181	KEY(1, 0, KEY_F3),
182	KEY(1, 1, KEY_F4),
183	KEY(1, 2, KEY_RIGHT),
184
185	KEY(2, 0, KEY_F1),
186	KEY(2, 1, KEY_F5),
187	KEY(2, 2, KEY_DOWN),
188
189	KEY(3, 0, KEY_F6),
190	KEY(3, 1, KEY_ENTER),
191	KEY(3, 2, KEY_LEFT),
192};
193
194static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
195	.matrix_key_rows	= 4,
196	.matrix_key_cols	= 3,
197	.matrix_key_map		= palmld_matrix_keys,
198	.matrix_key_map_size	= ARRAY_SIZE(palmld_matrix_keys),
199
200	.debounce_interval	= 30,
201};
202
203static void __init palmld_kpc_init(void)
204{
205	pxa_set_keypad_info(&palmld_keypad_platform_data);
206}
207#else
208static inline void palmld_kpc_init(void) {}
209#endif
210
211/******************************************************************************
212 * GPIO keys
213 ******************************************************************************/
214#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
215static struct gpio_keys_button palmld_pxa_buttons[] = {
216	{KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
217	{KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" },
218	{KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" },
219};
220
221static struct gpio_keys_platform_data palmld_pxa_keys_data = {
222	.buttons	= palmld_pxa_buttons,
223	.nbuttons	= ARRAY_SIZE(palmld_pxa_buttons),
224};
225
226static struct platform_device palmld_pxa_keys = {
227	.name	= "gpio-keys",
228	.id	= -1,
229	.dev	= {
230		.platform_data = &palmld_pxa_keys_data,
231	},
232};
233
234static void __init palmld_keys_init(void)
235{
236	platform_device_register(&palmld_pxa_keys);
237}
238#else
239static inline void palmld_keys_init(void) {}
240#endif
241
242/******************************************************************************
243 * LEDs
244 ******************************************************************************/
245#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
246struct gpio_led gpio_leds[] = {
247{
248	.name			= "palmld:green:led",
249	.default_trigger	= "none",
250	.gpio			= GPIO_NR_PALMLD_LED_GREEN,
251}, {
252	.name			= "palmld:amber:led",
253	.default_trigger	= "none",
254	.gpio			= GPIO_NR_PALMLD_LED_AMBER,
255},
256};
257
258static struct gpio_led_platform_data gpio_led_info = {
259	.leds		= gpio_leds,
260	.num_leds	= ARRAY_SIZE(gpio_leds),
261};
262
263static struct platform_device palmld_leds = {
264	.name	= "leds-gpio",
265	.id	= -1,
266	.dev	= {
267		.platform_data	= &gpio_led_info,
268	}
269};
270
271static void __init palmld_leds_init(void)
272{
273	platform_device_register(&palmld_leds);
274}
275#else
276static inline void palmld_leds_init(void) {}
277#endif
278
279/******************************************************************************
280 * HDD
281 ******************************************************************************/
282#if defined(CONFIG_PATA_PALMLD) || defined(CONFIG_PATA_PALMLD_MODULE)
283static struct platform_device palmld_ide_device = {
284	.name	= "pata_palmld",
285	.id	= -1,
286};
287
288static void __init palmld_ide_init(void)
289{
290	platform_device_register(&palmld_ide_device);
291}
292#else
293static inline void palmld_ide_init(void) {}
294#endif
295
296/******************************************************************************
297 * Machine init
298 ******************************************************************************/
299static struct map_desc palmld_io_desc[] __initdata = {
300{
301	.virtual	= PALMLD_IDE_VIRT,
302	.pfn		= __phys_to_pfn(PALMLD_IDE_PHYS),
303	.length		= PALMLD_IDE_SIZE,
304	.type		= MT_DEVICE
305},
306{
307	.virtual	= PALMLD_USB_VIRT,
308	.pfn		= __phys_to_pfn(PALMLD_USB_PHYS),
309	.length		= PALMLD_USB_SIZE,
310	.type		= MT_DEVICE
311},
312};
313
314static void __init palmld_map_io(void)
315{
316	pxa_map_io();
317	iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
318}
319
320static void __init palmld_init(void)
321{
322	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
323	pxa_set_ffuart_info(NULL);
324	pxa_set_btuart_info(NULL);
325	pxa_set_stuart_info(NULL);
326
327	palm27x_mmc_init(GPIO_NR_PALMLD_SD_DETECT_N, GPIO_NR_PALMLD_SD_READONLY,
328			GPIO_NR_PALMLD_SD_POWER, 0);
329	palm27x_pm_init(PALMLD_STR_BASE);
330	palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
331	palm27x_irda_init(GPIO_NR_PALMLD_IR_DISABLE);
332	palm27x_ac97_init(PALMLD_BAT_MIN_VOLTAGE, PALMLD_BAT_MAX_VOLTAGE,
333			GPIO_NR_PALMLD_EARPHONE_DETECT, 95);
334	palm27x_pwm_init(GPIO_NR_PALMLD_BL_POWER, GPIO_NR_PALMLD_LCD_POWER);
335	palm27x_power_init(GPIO_NR_PALMLD_POWER_DETECT,
336			GPIO_NR_PALMLD_USB_DETECT_N);
337	palm27x_pmic_init();
338	palmld_kpc_init();
339	palmld_keys_init();
340	palmld_nor_init();
341	palmld_leds_init();
342	palmld_ide_init();
343}
344
345MACHINE_START(PALMLD, "Palm LifeDrive")
346	.phys_io	= PALMLD_PHYS_IO_START,
347	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
348	.boot_params	= 0xa0000100,
349	.map_io		= palmld_map_io,
350	.init_irq	= pxa27x_init_irq,
351	.timer		= &pxa_timer,
352	.init_machine	= palmld_init
353MACHINE_END
354