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/arch/arm/mach-pxa/palmld.c

https://github.com/AICP/kernel_asus_grouper
C | 351 lines | 260 code | 43 blank | 48 comment | 5 complexity | a424814dc1759b7c9d6b776a9c201b7f MD5 | raw file
  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/mtd/mtd.h>
 28#include <linux/mtd/partitions.h>
 29#include <linux/mtd/physmap.h>
 30
 31#include <asm/mach-types.h>
 32#include <asm/mach/arch.h>
 33#include <asm/mach/map.h>
 34
 35#include <mach/pxa27x.h>
 36#include <mach/audio.h>
 37#include <mach/palmld.h>
 38#include <mach/mmc.h>
 39#include <mach/pxafb.h>
 40#include <mach/irda.h>
 41#include <plat/pxa27x_keypad.h>
 42#include <mach/palmasoc.h>
 43#include <mach/palm27x.h>
 44
 45#include "generic.h"
 46#include "devices.h"
 47
 48/******************************************************************************
 49 * Pin configuration
 50 ******************************************************************************/
 51static unsigned long palmld_pin_config[] __initdata = {
 52	/* MMC */
 53	GPIO32_MMC_CLK,
 54	GPIO92_MMC_DAT_0,
 55	GPIO109_MMC_DAT_1,
 56	GPIO110_MMC_DAT_2,
 57	GPIO111_MMC_DAT_3,
 58	GPIO112_MMC_CMD,
 59	GPIO14_GPIO,	/* SD detect */
 60	GPIO114_GPIO,	/* SD power */
 61	GPIO116_GPIO,	/* SD r/o switch */
 62
 63	/* AC97 */
 64	GPIO28_AC97_BITCLK,
 65	GPIO29_AC97_SDATA_IN_0,
 66	GPIO30_AC97_SDATA_OUT,
 67	GPIO31_AC97_SYNC,
 68	GPIO89_AC97_SYSCLK,
 69	GPIO95_AC97_nRESET,
 70
 71	/* IrDA */
 72	GPIO108_GPIO,	/* ir disable */
 73	GPIO46_FICP_RXD,
 74	GPIO47_FICP_TXD,
 75
 76	/* MATRIX KEYPAD */
 77	GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
 78	GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
 79	GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
 80	GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
 81	GPIO103_KP_MKOUT_0,
 82	GPIO104_KP_MKOUT_1,
 83	GPIO105_KP_MKOUT_2,
 84
 85	/* LCD */
 86	GPIOxx_LCD_TFT_16BPP,
 87
 88	/* PWM */
 89	GPIO16_PWM0_OUT,
 90
 91	/* GPIO KEYS */
 92	GPIO10_GPIO,	/* hotsync button */
 93	GPIO12_GPIO,	/* power switch */
 94	GPIO15_GPIO,	/* lock switch */
 95
 96	/* LEDs */
 97	GPIO52_GPIO,	/* green led */
 98	GPIO94_GPIO,	/* orange led */
 99
100	/* PCMCIA */
101	GPIO48_nPOE,
102	GPIO49_nPWE,
103	GPIO50_nPIOR,
104	GPIO51_nPIOW,
105	GPIO85_nPCE_1,
106	GPIO54_nPCE_2,
107	GPIO79_PSKTSEL,
108	GPIO55_nPREG,
109	GPIO56_nPWAIT,
110	GPIO57_nIOIS16,
111	GPIO36_GPIO,	/* wifi power */
112	GPIO38_GPIO,	/* wifi ready */
113	GPIO81_GPIO,	/* wifi reset */
114
115	/* FFUART */
116	GPIO34_FFUART_RXD,
117	GPIO39_FFUART_TXD,
118
119	/* HDD */
120	GPIO98_GPIO,	/* HDD reset */
121	GPIO115_GPIO,	/* HDD power */
122
123	/* MISC */
124	GPIO13_GPIO,	/* earphone detect */
125};
126
127/******************************************************************************
128 * NOR Flash
129 ******************************************************************************/
130#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
131static struct mtd_partition palmld_partitions[] = {
132	{
133		.name		= "Flash",
134		.offset		= 0x00000000,
135		.size		= MTDPART_SIZ_FULL,
136		.mask_flags	= 0
137	}
138};
139
140static struct physmap_flash_data palmld_flash_data[] = {
141	{
142		.width		= 2,			/* bankwidth in bytes */
143		.parts		= palmld_partitions,
144		.nr_parts	= ARRAY_SIZE(palmld_partitions)
145	}
146};
147
148static struct resource palmld_flash_resource = {
149	.start	= PXA_CS0_PHYS,
150	.end	= PXA_CS0_PHYS + SZ_4M - 1,
151	.flags	= IORESOURCE_MEM,
152};
153
154static struct platform_device palmld_flash = {
155	.name		= "physmap-flash",
156	.id		= 0,
157	.resource	= &palmld_flash_resource,
158	.num_resources	= 1,
159	.dev 		= {
160		.platform_data = palmld_flash_data,
161	},
162};
163
164static void __init palmld_nor_init(void)
165{
166	platform_device_register(&palmld_flash);
167}
168#else
169static inline void palmld_nor_init(void) {}
170#endif
171
172/******************************************************************************
173 * GPIO keyboard
174 ******************************************************************************/
175#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
176static unsigned int palmld_matrix_keys[] = {
177	KEY(0, 1, KEY_F2),
178	KEY(0, 2, KEY_UP),
179
180	KEY(1, 0, KEY_F3),
181	KEY(1, 1, KEY_F4),
182	KEY(1, 2, KEY_RIGHT),
183
184	KEY(2, 0, KEY_F1),
185	KEY(2, 1, KEY_F5),
186	KEY(2, 2, KEY_DOWN),
187
188	KEY(3, 0, KEY_F6),
189	KEY(3, 1, KEY_ENTER),
190	KEY(3, 2, KEY_LEFT),
191};
192
193static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
194	.matrix_key_rows	= 4,
195	.matrix_key_cols	= 3,
196	.matrix_key_map		= palmld_matrix_keys,
197	.matrix_key_map_size	= ARRAY_SIZE(palmld_matrix_keys),
198
199	.debounce_interval	= 30,
200};
201
202static void __init palmld_kpc_init(void)
203{
204	pxa_set_keypad_info(&palmld_keypad_platform_data);
205}
206#else
207static inline void palmld_kpc_init(void) {}
208#endif
209
210/******************************************************************************
211 * GPIO keys
212 ******************************************************************************/
213#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
214static struct gpio_keys_button palmld_pxa_buttons[] = {
215	{KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
216	{KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" },
217	{KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" },
218};
219
220static struct gpio_keys_platform_data palmld_pxa_keys_data = {
221	.buttons	= palmld_pxa_buttons,
222	.nbuttons	= ARRAY_SIZE(palmld_pxa_buttons),
223};
224
225static struct platform_device palmld_pxa_keys = {
226	.name	= "gpio-keys",
227	.id	= -1,
228	.dev	= {
229		.platform_data = &palmld_pxa_keys_data,
230	},
231};
232
233static void __init palmld_keys_init(void)
234{
235	platform_device_register(&palmld_pxa_keys);
236}
237#else
238static inline void palmld_keys_init(void) {}
239#endif
240
241/******************************************************************************
242 * LEDs
243 ******************************************************************************/
244#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
245struct gpio_led gpio_leds[] = {
246{
247	.name			= "palmld:green:led",
248	.default_trigger	= "none",
249	.gpio			= GPIO_NR_PALMLD_LED_GREEN,
250}, {
251	.name			= "palmld:amber:led",
252	.default_trigger	= "none",
253	.gpio			= GPIO_NR_PALMLD_LED_AMBER,
254},
255};
256
257static struct gpio_led_platform_data gpio_led_info = {
258	.leds		= gpio_leds,
259	.num_leds	= ARRAY_SIZE(gpio_leds),
260};
261
262static struct platform_device palmld_leds = {
263	.name	= "leds-gpio",
264	.id	= -1,
265	.dev	= {
266		.platform_data	= &gpio_led_info,
267	}
268};
269
270static void __init palmld_leds_init(void)
271{
272	platform_device_register(&palmld_leds);
273}
274#else
275static inline void palmld_leds_init(void) {}
276#endif
277
278/******************************************************************************
279 * HDD
280 ******************************************************************************/
281#if defined(CONFIG_PATA_PALMLD) || defined(CONFIG_PATA_PALMLD_MODULE)
282static struct platform_device palmld_ide_device = {
283	.name	= "pata_palmld",
284	.id	= -1,
285};
286
287static void __init palmld_ide_init(void)
288{
289	platform_device_register(&palmld_ide_device);
290}
291#else
292static inline void palmld_ide_init(void) {}
293#endif
294
295/******************************************************************************
296 * Machine init
297 ******************************************************************************/
298static struct map_desc palmld_io_desc[] __initdata = {
299{
300	.virtual	= PALMLD_IDE_VIRT,
301	.pfn		= __phys_to_pfn(PALMLD_IDE_PHYS),
302	.length		= PALMLD_IDE_SIZE,
303	.type		= MT_DEVICE
304},
305{
306	.virtual	= PALMLD_USB_VIRT,
307	.pfn		= __phys_to_pfn(PALMLD_USB_PHYS),
308	.length		= PALMLD_USB_SIZE,
309	.type		= MT_DEVICE
310},
311};
312
313static void __init palmld_map_io(void)
314{
315	pxa27x_map_io();
316	iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
317}
318
319static void __init palmld_init(void)
320{
321	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
322	pxa_set_ffuart_info(NULL);
323	pxa_set_btuart_info(NULL);
324	pxa_set_stuart_info(NULL);
325
326	palm27x_mmc_init(GPIO_NR_PALMLD_SD_DETECT_N, GPIO_NR_PALMLD_SD_READONLY,
327			GPIO_NR_PALMLD_SD_POWER, 0);
328	palm27x_pm_init(PALMLD_STR_BASE);
329	palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
330	palm27x_irda_init(GPIO_NR_PALMLD_IR_DISABLE);
331	palm27x_ac97_init(PALMLD_BAT_MIN_VOLTAGE, PALMLD_BAT_MAX_VOLTAGE,
332			GPIO_NR_PALMLD_EARPHONE_DETECT, 95);
333	palm27x_pwm_init(GPIO_NR_PALMLD_BL_POWER, GPIO_NR_PALMLD_LCD_POWER);
334	palm27x_power_init(GPIO_NR_PALMLD_POWER_DETECT,
335			GPIO_NR_PALMLD_USB_DETECT_N);
336	palm27x_pmic_init();
337	palmld_kpc_init();
338	palmld_keys_init();
339	palmld_nor_init();
340	palmld_leds_init();
341	palmld_ide_init();
342}
343
344MACHINE_START(PALMLD, "Palm LifeDrive")
345	.boot_params	= 0xa0000100,
346	.map_io		= palmld_map_io,
347	.init_irq	= pxa27x_init_irq,
348	.handle_irq	= pxa27x_handle_irq,
349	.timer		= &pxa_timer,
350	.init_machine	= palmld_init
351MACHINE_END