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 <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 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 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
 202 static void __init palmld_kpc_init(void)
 203 {
 204         pxa_set_keypad_info(&palmld_keypad_platform_data);
 205 }
 206 #else
 207 static 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)
 214 static 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
 220 static struct gpio_keys_platform_data palmld_pxa_keys_data = {
 221         .buttons        = palmld_pxa_buttons,
 222         .nbuttons       = ARRAY_SIZE(palmld_pxa_buttons),
 223 };
 224
 225 static 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
 233 static void __init palmld_keys_init(void)
 234 {
 235         platform_device_register(&palmld_pxa_keys);
 236 }
 237 #else
 238 static inline void palmld_keys_init(void) {}
 239 #endif
 240
 241 /******************************************************************************
 242  * LEDs
 243  ******************************************************************************/
 244 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 245 struct 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
 257 static struct gpio_led_platform_data gpio_led_info = {
 258         .leds           = gpio_leds,
 259         .num_leds       = ARRAY_SIZE(gpio_leds),
 260 };
 261
 262 static struct platform_device palmld_leds = {
 263         .name   = "leds-gpio",
 264         .id     = -1,
 265         .dev    = {
 266                 .platform_data  = &gpio_led_info,
 267         }
 268 };
 269
 270 static void __init palmld_leds_init(void)
 271 {
 272         platform_device_register(&palmld_leds);
 273 }
 274 #else
 275 static inline void palmld_leds_init(void) {}
 276 #endif
 277
 278 /******************************************************************************
 279  * HDD
 280  ******************************************************************************/
 281 #if defined(CONFIG_PATA_PALMLD) || defined(CONFIG_PATA_PALMLD_MODULE)
 282 static struct platform_device palmld_ide_device = {
 283         .name   = "pata_palmld",
 284         .id     = -1,
 285 };
 286
 287 static void __init palmld_ide_init(void)
 288 {
 289         platform_device_register(&palmld_ide_device);
 290 }
 291 #else
 292 static inline void palmld_ide_init(void) {}
 293 #endif
 294
 295 /******************************************************************************
 296  * Machine init
 297  ******************************************************************************/
 298 static 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
 313 static void __init palmld_map_io(void)
 314 {
 315         pxa27x_map_io();
 316         iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
 317 }
 318
 319 static 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
 344 MACHINE_START(PALMLD, "Palm LifeDrive")
 345         .atag_offset    = 0x100,
 346         .map_io         = palmld_map_io,
 347         .nr_irqs        = PXA_NR_IRQS,
 348         .init_irq       = pxa27x_init_irq,
 349         .handle_irq     = pxa27x_handle_irq,
 350         .timer          = &pxa_timer,
 351         .init_machine   = palmld_init,
 352         .restart        = pxa_restart,
 353 MACHINE_END