arch/arm/mach-pxa/palmld.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Hardware definitions for Palm LifeDrive
   4  *
   5  * Author:     Marek Vasut <marek.vasut@gmail.com>
   6  *
   7  * Based on work of:
   8  *              Alex Osborne <ato@meshy.org>
   9  *
  10  * (find more info at www.hackndev.com)
  11  */
  12
  13 #include <linux/platform_device.h>
  14 #include <linux/delay.h>
  15 #include <linux/irq.h>
  16 #include <linux/gpio_keys.h>
  17 #include <linux/input.h>
  18 #include <linux/pda_power.h>
  19 #include <linux/pwm_backlight.h>
  20 #include <linux/gpio.h>
  21 #include <linux/wm97xx.h>
  22 #include <linux/power_supply.h>
  23 #include <linux/mtd/mtd.h>
  24 #include <linux/mtd/partitions.h>
  25 #include <linux/mtd/physmap.h>
  26
  27 #include <asm/mach-types.h>
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/map.h>
  30
  31 #include "pxa27x.h"
  32 #include "palmld.h"
  33 #include <linux/platform_data/asoc-pxa.h>
  34 #include <linux/platform_data/mmc-pxamci.h>
  35 #include <linux/platform_data/video-pxafb.h>
  36 #include <linux/platform_data/irda-pxaficp.h>
  37 #include <linux/platform_data/keypad-pxa27x.h>
  38 #include <linux/platform_data/asoc-palm27x.h>
  39 #include "palm27x.h"
  40
  41 #include "generic.h"
  42 #include "devices.h"
  43
  44 /******************************************************************************
  45  * Pin configuration
  46  ******************************************************************************/
  47 static unsigned long palmld_pin_config[] __initdata = {
  48         /* MMC */
  49         GPIO32_MMC_CLK,
  50         GPIO92_MMC_DAT_0,
  51         GPIO109_MMC_DAT_1,
  52         GPIO110_MMC_DAT_2,
  53         GPIO111_MMC_DAT_3,
  54         GPIO112_MMC_CMD,
  55         GPIO14_GPIO,    /* SD detect */
  56         GPIO114_GPIO,   /* SD power */
  57         GPIO116_GPIO,   /* SD r/o switch */
  58
  59         /* AC97 */
  60         GPIO28_AC97_BITCLK,
  61         GPIO29_AC97_SDATA_IN_0,
  62         GPIO30_AC97_SDATA_OUT,
  63         GPIO31_AC97_SYNC,
  64         GPIO89_AC97_SYSCLK,
  65         GPIO95_AC97_nRESET,
  66
  67         /* IrDA */
  68         GPIO108_GPIO,   /* ir disable */
  69         GPIO46_FICP_RXD,
  70         GPIO47_FICP_TXD,
  71
  72         /* MATRIX KEYPAD */
  73         GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
  74         GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
  75         GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
  76         GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
  77         GPIO103_KP_MKOUT_0,
  78         GPIO104_KP_MKOUT_1,
  79         GPIO105_KP_MKOUT_2,
  80
  81         /* LCD */
  82         GPIOxx_LCD_TFT_16BPP,
  83
  84         /* PWM */
  85         GPIO16_PWM0_OUT,
  86
  87         /* GPIO KEYS */
  88         GPIO10_GPIO,    /* hotsync button */
  89         GPIO12_GPIO,    /* power switch */
  90         GPIO15_GPIO,    /* lock switch */
  91
  92         /* LEDs */
  93         GPIO52_GPIO,    /* green led */
  94         GPIO94_GPIO,    /* orange led */
  95
  96         /* PCMCIA */
  97         GPIO48_nPOE,
  98         GPIO49_nPWE,
  99         GPIO50_nPIOR,
 100         GPIO51_nPIOW,
 101         GPIO85_nPCE_1,
 102         GPIO54_nPCE_2,
 103         GPIO79_PSKTSEL,
 104         GPIO55_nPREG,
 105         GPIO56_nPWAIT,
 106         GPIO57_nIOIS16,
 107         GPIO36_GPIO,    /* wifi power */
 108         GPIO38_GPIO,    /* wifi ready */
 109         GPIO81_GPIO,    /* wifi reset */
 110
 111         /* FFUART */
 112         GPIO34_FFUART_RXD,
 113         GPIO39_FFUART_TXD,
 114
 115         /* HDD */
 116         GPIO98_GPIO,    /* HDD reset */
 117         GPIO115_GPIO,   /* HDD power */
 118
 119         /* MISC */
 120         GPIO13_GPIO,    /* earphone detect */
 121 };
 122
 123 /******************************************************************************
 124  * NOR Flash
 125  ******************************************************************************/
 126 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 127 static struct mtd_partition palmld_partitions[] = {
 128         {
 129                 .name           = "Flash",
 130                 .offset         = 0x00000000,
 131                 .size           = MTDPART_SIZ_FULL,
 132                 .mask_flags     = 0
 133         }
 134 };
 135
 136 static struct physmap_flash_data palmld_flash_data[] = {
 137         {
 138                 .width          = 2,                    /* bankwidth in bytes */
 139                 .parts          = palmld_partitions,
 140                 .nr_parts       = ARRAY_SIZE(palmld_partitions)
 141         }
 142 };
 143
 144 static struct resource palmld_flash_resource = {
 145         .start  = PXA_CS0_PHYS,
 146         .end    = PXA_CS0_PHYS + SZ_4M - 1,
 147         .flags  = IORESOURCE_MEM,
 148 };
 149
 150 static struct platform_device palmld_flash = {
 151         .name           = "physmap-flash",
 152         .id             = 0,
 153         .resource       = &palmld_flash_resource,
 154         .num_resources  = 1,
 155         .dev            = {
 156                 .platform_data = palmld_flash_data,
 157         },
 158 };
 159
 160 static void __init palmld_nor_init(void)
 161 {
 162         platform_device_register(&palmld_flash);
 163 }
 164 #else
 165 static inline void palmld_nor_init(void) {}
 166 #endif
 167
 168 /******************************************************************************
 169  * GPIO keyboard
 170  ******************************************************************************/
 171 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 172 static const unsigned int palmld_matrix_keys[] = {
 173         KEY(0, 1, KEY_F2),
 174         KEY(0, 2, KEY_UP),
 175
 176         KEY(1, 0, KEY_F3),
 177         KEY(1, 1, KEY_F4),
 178         KEY(1, 2, KEY_RIGHT),
 179
 180         KEY(2, 0, KEY_F1),
 181         KEY(2, 1, KEY_F5),
 182         KEY(2, 2, KEY_DOWN),
 183
 184         KEY(3, 0, KEY_F6),
 185         KEY(3, 1, KEY_ENTER),
 186         KEY(3, 2, KEY_LEFT),
 187 };
 188
 189 static struct matrix_keymap_data palmld_matrix_keymap_data = {
 190         .keymap                 = palmld_matrix_keys,
 191         .keymap_size            = ARRAY_SIZE(palmld_matrix_keys),
 192 };
 193
 194 static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
 195         .matrix_key_rows        = 4,
 196         .matrix_key_cols        = 3,
 197         .matrix_keymap_data     = &palmld_matrix_keymap_data,
 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 resource palmld_ide_resources[] = {
 283         DEFINE_RES_MEM(PALMLD_IDE_PHYS, 0x1000),
 284 };
 285
 286 static struct platform_device palmld_ide_device = {
 287         .name           = "pata_palmld",
 288         .id             = -1,
 289         .resource       = palmld_ide_resources,
 290         .num_resources  = ARRAY_SIZE(palmld_ide_resources),
 291 };
 292
 293 static struct gpiod_lookup_table palmld_ide_gpio_table = {
 294         .dev_id = "pata_palmld",
 295         .table = {
 296                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_IDE_PWEN,
 297                             "power", GPIO_ACTIVE_HIGH),
 298                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_IDE_RESET,
 299                             "reset", GPIO_ACTIVE_LOW),
 300                 { },
 301         },
 302 };
 303
 304 static void __init palmld_ide_init(void)
 305 {
 306         gpiod_add_lookup_table(&palmld_ide_gpio_table);
 307         platform_device_register(&palmld_ide_device);
 308 }
 309 #else
 310 static inline void palmld_ide_init(void) {}
 311 #endif
 312
 313 /******************************************************************************
 314  * Machine init
 315  ******************************************************************************/
 316 static struct map_desc palmld_io_desc[] __initdata = {
 317 {
 318         .virtual        = PALMLD_IDE_VIRT,
 319         .pfn            = __phys_to_pfn(PALMLD_IDE_PHYS),
 320         .length         = PALMLD_IDE_SIZE,
 321         .type           = MT_DEVICE
 322 },
 323 {
 324         .virtual        = PALMLD_USB_VIRT,
 325         .pfn            = __phys_to_pfn(PALMLD_USB_PHYS),
 326         .length         = PALMLD_USB_SIZE,
 327         .type           = MT_DEVICE
 328 },
 329 };
 330
 331 static void __init palmld_map_io(void)
 332 {
 333         pxa27x_map_io();
 334         iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
 335 }
 336
 337 static struct gpiod_lookup_table palmld_mci_gpio_table = {
 338         .dev_id = "pxa2xx-mci.0",
 339         .table = {
 340                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_SD_DETECT_N,
 341                             "cd", GPIO_ACTIVE_LOW),
 342                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_SD_READONLY,
 343                             "wp", GPIO_ACTIVE_LOW),
 344                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMLD_SD_POWER,
 345                             "power", GPIO_ACTIVE_HIGH),
 346                 { },
 347         },
 348 };
 349
 350 static struct gpiod_lookup_table palmld_wm97xx_touch_gpio_table = {
 351         .dev_id = "wm97xx-touch",
 352         .table = {
 353                 GPIO_LOOKUP("gpio-pxa", 27, "touch", GPIO_ACTIVE_HIGH),
 354                 { },
 355         },
 356 };
 357
 358 static void __init palmld_init(void)
 359 {
 360         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
 361         pxa_set_ffuart_info(NULL);
 362         pxa_set_btuart_info(NULL);
 363         pxa_set_stuart_info(NULL);
 364
 365         palm27x_mmc_init(&palmld_mci_gpio_table);
 366         gpiod_add_lookup_table(&palmld_wm97xx_touch_gpio_table);
 367         palm27x_pm_init(PALMLD_STR_BASE);
 368         palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
 369         palm27x_irda_init(GPIO_NR_PALMLD_IR_DISABLE);
 370         palm27x_ac97_init(PALMLD_BAT_MIN_VOLTAGE, PALMLD_BAT_MAX_VOLTAGE,
 371                         GPIO_NR_PALMLD_EARPHONE_DETECT, 95);
 372         palm27x_pwm_init(GPIO_NR_PALMLD_BL_POWER, GPIO_NR_PALMLD_LCD_POWER);
 373         palm27x_power_init(GPIO_NR_PALMLD_POWER_DETECT,
 374                         GPIO_NR_PALMLD_USB_DETECT_N);
 375         palm27x_pmic_init();
 376         palmld_kpc_init();
 377         palmld_keys_init();
 378         palmld_nor_init();
 379         palmld_leds_init();
 380         palmld_ide_init();
 381 }
 382
 383 MACHINE_START(PALMLD, "Palm LifeDrive")
 384         .atag_offset    = 0x100,
 385         .map_io         = palmld_map_io,
 386         .nr_irqs        = PXA_NR_IRQS,
 387         .init_irq       = pxa27x_init_irq,
 388         .handle_irq     = pxa27x_handle_irq,
 389         .init_time      = pxa_timer_init,
 390         .init_machine   = palmld_init,
 391         .restart        = pxa_restart,
 392 MACHINE_END