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TOMOYO Linux Cross Reference
Linux/arch/arm/mach-pxa/palmld.c

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  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 <linux/platform_data/mmc-pxamci.h>
 39 #include <linux/platform_data/video-pxafb.h>
 40 #include <linux/platform_data/irda-pxaficp.h>
 41 #include <linux/platform_data/keypad-pxa27x.h>
 42 #include <linux/platform_data/asoc-palm27x.h>
 43 #include <mach/palm27x.h>
 44 
 45 #include "generic.h"
 46 #include "devices.h"
 47 
 48 /******************************************************************************
 49  * Pin configuration
 50  ******************************************************************************/
 51 static 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)
131 static struct mtd_partition palmld_partitions[] = {
132         {
133                 .name           = "Flash",
134                 .offset         = 0x00000000,
135                 .size           = MTDPART_SIZ_FULL,
136                 .mask_flags     = 0
137         }
138 };
139 
140 static 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 
148 static struct resource palmld_flash_resource = {
149         .start  = PXA_CS0_PHYS,
150         .end    = PXA_CS0_PHYS + SZ_4M - 1,
151         .flags  = IORESOURCE_MEM,
152 };
153 
154 static 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 
164 static void __init palmld_nor_init(void)
165 {
166         platform_device_register(&palmld_flash);
167 }
168 #else
169 static 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)
176 static const 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 
193 static struct matrix_keymap_data palmld_matrix_keymap_data = {
194         .keymap                 = palmld_matrix_keys,
195         .keymap_size            = ARRAY_SIZE(palmld_matrix_keys),
196 };
197 
198 static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
199         .matrix_key_rows        = 4,
200         .matrix_key_cols        = 3,
201         .matrix_keymap_data     = &palmld_matrix_keymap_data,
202 
203         .debounce_interval      = 30,
204 };
205 
206 static void __init palmld_kpc_init(void)
207 {
208         pxa_set_keypad_info(&palmld_keypad_platform_data);
209 }
210 #else
211 static inline void palmld_kpc_init(void) {}
212 #endif
213 
214 /******************************************************************************
215  * GPIO keys
216  ******************************************************************************/
217 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
218 static struct gpio_keys_button palmld_pxa_buttons[] = {
219         {KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
220         {KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" },
221         {KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" },
222 };
223 
224 static struct gpio_keys_platform_data palmld_pxa_keys_data = {
225         .buttons        = palmld_pxa_buttons,
226         .nbuttons       = ARRAY_SIZE(palmld_pxa_buttons),
227 };
228 
229 static struct platform_device palmld_pxa_keys = {
230         .name   = "gpio-keys",
231         .id     = -1,
232         .dev    = {
233                 .platform_data = &palmld_pxa_keys_data,
234         },
235 };
236 
237 static void __init palmld_keys_init(void)
238 {
239         platform_device_register(&palmld_pxa_keys);
240 }
241 #else
242 static inline void palmld_keys_init(void) {}
243 #endif
244 
245 /******************************************************************************
246  * LEDs
247  ******************************************************************************/
248 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
249 struct gpio_led gpio_leds[] = {
250 {
251         .name                   = "palmld:green:led",
252         .default_trigger        = "none",
253         .gpio                   = GPIO_NR_PALMLD_LED_GREEN,
254 }, {
255         .name                   = "palmld:amber:led",
256         .default_trigger        = "none",
257         .gpio                   = GPIO_NR_PALMLD_LED_AMBER,
258 },
259 };
260 
261 static struct gpio_led_platform_data gpio_led_info = {
262         .leds           = gpio_leds,
263         .num_leds       = ARRAY_SIZE(gpio_leds),
264 };
265 
266 static struct platform_device palmld_leds = {
267         .name   = "leds-gpio",
268         .id     = -1,
269         .dev    = {
270                 .platform_data  = &gpio_led_info,
271         }
272 };
273 
274 static void __init palmld_leds_init(void)
275 {
276         platform_device_register(&palmld_leds);
277 }
278 #else
279 static inline void palmld_leds_init(void) {}
280 #endif
281 
282 /******************************************************************************
283  * HDD
284  ******************************************************************************/
285 #if defined(CONFIG_PATA_PALMLD) || defined(CONFIG_PATA_PALMLD_MODULE)
286 static struct platform_device palmld_ide_device = {
287         .name   = "pata_palmld",
288         .id     = -1,
289 };
290 
291 static void __init palmld_ide_init(void)
292 {
293         platform_device_register(&palmld_ide_device);
294 }
295 #else
296 static inline void palmld_ide_init(void) {}
297 #endif
298 
299 /******************************************************************************
300  * Machine init
301  ******************************************************************************/
302 static struct map_desc palmld_io_desc[] __initdata = {
303 {
304         .virtual        = PALMLD_IDE_VIRT,
305         .pfn            = __phys_to_pfn(PALMLD_IDE_PHYS),
306         .length         = PALMLD_IDE_SIZE,
307         .type           = MT_DEVICE
308 },
309 {
310         .virtual        = PALMLD_USB_VIRT,
311         .pfn            = __phys_to_pfn(PALMLD_USB_PHYS),
312         .length         = PALMLD_USB_SIZE,
313         .type           = MT_DEVICE
314 },
315 };
316 
317 static void __init palmld_map_io(void)
318 {
319         pxa27x_map_io();
320         iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
321 }
322 
323 static void __init palmld_init(void)
324 {
325         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
326         pxa_set_ffuart_info(NULL);
327         pxa_set_btuart_info(NULL);
328         pxa_set_stuart_info(NULL);
329 
330         palm27x_mmc_init(GPIO_NR_PALMLD_SD_DETECT_N, GPIO_NR_PALMLD_SD_READONLY,
331                         GPIO_NR_PALMLD_SD_POWER, 0);
332         palm27x_pm_init(PALMLD_STR_BASE);
333         palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
334         palm27x_irda_init(GPIO_NR_PALMLD_IR_DISABLE);
335         palm27x_ac97_init(PALMLD_BAT_MIN_VOLTAGE, PALMLD_BAT_MAX_VOLTAGE,
336                         GPIO_NR_PALMLD_EARPHONE_DETECT, 95);
337         palm27x_pwm_init(GPIO_NR_PALMLD_BL_POWER, GPIO_NR_PALMLD_LCD_POWER);
338         palm27x_power_init(GPIO_NR_PALMLD_POWER_DETECT,
339                         GPIO_NR_PALMLD_USB_DETECT_N);
340         palm27x_pmic_init();
341         palmld_kpc_init();
342         palmld_keys_init();
343         palmld_nor_init();
344         palmld_leds_init();
345         palmld_ide_init();
346 }
347 
348 MACHINE_START(PALMLD, "Palm LifeDrive")
349         .atag_offset    = 0x100,
350         .map_io         = palmld_map_io,
351         .nr_irqs        = PXA_NR_IRQS,
352         .init_irq       = pxa27x_init_irq,
353         .handle_irq     = pxa27x_handle_irq,
354         .init_time      = pxa_timer_init,
355         .init_machine   = palmld_init,
356         .restart        = pxa_restart,
357 MACHINE_END
358 

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