arch/arm/mach-pxa/palmld.c

   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 "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 "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