arch/arm/mach-pxa/palmtreo.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Hardware definitions for Palm Treo smartphones
   4  *
   5  * currently supported:
   6  *     Palm Treo 680 (GSM)
   7  *     Palm Centro 685 (GSM)
   8  *
   9  * Author:     Tomas Cech <sleep_walker@suse.cz>
  10  *
  11  * (find more info at www.hackndev.com)
  12  */
  13
  14 #include <linux/platform_device.h>
  15 #include <linux/delay.h>
  16 #include <linux/irq.h>
  17 #include <linux/gpio_keys.h>
  18 #include <linux/input.h>
  19 #include <linux/memblock.h>
  20 #include <linux/pda_power.h>
  21 #include <linux/pwm_backlight.h>
  22 #include <linux/gpio.h>
  23 #include <linux/power_supply.h>
  24 #include <linux/w1-gpio.h>
  25
  26 #include <asm/mach-types.h>
  27 #include <asm/mach/arch.h>
  28 #include <asm/mach/map.h>
  29
  30 #include "pxa27x.h"
  31 #include "pxa27x-udc.h"
  32 #include <mach/audio.h>
  33 #include "palmtreo.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 "udc.h"
  39 #include <linux/platform_data/usb-ohci-pxa27x.h>
  40 #include <mach/pxa2xx-regs.h>
  41 #include <linux/platform_data/asoc-palm27x.h>
  42 #include <linux/platform_data/media/camera-pxa.h>
  43 #include "palm27x.h"
  44
  45 #include <sound/pxa2xx-lib.h>
  46
  47 #include "generic.h"
  48 #include "devices.h"
  49
  50 /******************************************************************************
  51  * Pin configuration
  52  ******************************************************************************/
  53 static unsigned long treo_pin_config[] __initdata = {
  54         /* MMC */
  55         GPIO32_MMC_CLK,
  56         GPIO92_MMC_DAT_0,
  57         GPIO109_MMC_DAT_1,
  58         GPIO110_MMC_DAT_2,
  59         GPIO111_MMC_DAT_3,
  60         GPIO112_MMC_CMD,
  61         GPIO113_GPIO,                           /* SD detect */
  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         GPIO46_FICP_RXD,
  73         GPIO47_FICP_TXD,
  74
  75         /* PWM */
  76         GPIO16_PWM0_OUT,
  77
  78         /* USB */
  79         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,       /* usb detect */
  80
  81         /* MATRIX KEYPAD */
  82         GPIO101_KP_MKIN_1,
  83         GPIO102_KP_MKIN_2,
  84         GPIO97_KP_MKIN_3,
  85         GPIO98_KP_MKIN_4,
  86         GPIO91_KP_MKIN_6,
  87         GPIO13_KP_MKIN_7,
  88         GPIO103_KP_MKOUT_0 | MFP_LPM_DRIVE_HIGH,
  89         GPIO104_KP_MKOUT_1,
  90         GPIO105_KP_MKOUT_2,
  91         GPIO106_KP_MKOUT_3,
  92         GPIO107_KP_MKOUT_4,
  93         GPIO108_KP_MKOUT_5,
  94         GPIO96_KP_MKOUT_6,
  95         GPIO93_KP_DKIN_0 | WAKEUP_ON_LEVEL_HIGH,        /* Hotsync button */
  96
  97         /* Quick Capture Interface */
  98         GPIO84_CIF_FV,
  99         GPIO85_CIF_LV,
 100         GPIO53_CIF_MCLK,
 101         GPIO54_CIF_PCLK,
 102         GPIO81_CIF_DD_0,
 103         GPIO55_CIF_DD_1,
 104         GPIO51_CIF_DD_2,
 105         GPIO50_CIF_DD_3,
 106         GPIO52_CIF_DD_4,
 107         GPIO48_CIF_DD_5,
 108         GPIO17_CIF_DD_6,
 109         GPIO12_CIF_DD_7,
 110
 111         /* I2C */
 112         GPIO117_I2C_SCL,
 113         GPIO118_I2C_SDA,
 114
 115         /* GSM */
 116         GPIO14_GPIO | WAKEUP_ON_EDGE_BOTH,      /* GSM host wake up */
 117         GPIO34_FFUART_RXD,
 118         GPIO35_FFUART_CTS,
 119         GPIO39_FFUART_TXD,
 120         GPIO41_FFUART_RTS,
 121
 122         /* MISC. */
 123         GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,       /* external power detect */
 124         GPIO15_GPIO | WAKEUP_ON_EDGE_BOTH,      /* silent switch */
 125         GPIO116_GPIO,                           /* headphone detect */
 126         GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH,      /* bluetooth host wake up */
 127 };
 128
 129 #ifdef CONFIG_MACH_TREO680
 130 static unsigned long treo680_pin_config[] __initdata = {
 131         GPIO33_GPIO,    /* SD read only */
 132
 133         /* MATRIX KEYPAD - different wake up source */
 134         GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
 135         GPIO99_KP_MKIN_5,
 136
 137         /* LCD... L_BIAS alt fn not configured on Treo680; is GPIO instead */
 138         GPIOxx_LCD_16BPP,
 139         GPIO74_LCD_FCLK,
 140         GPIO75_LCD_LCLK,
 141         GPIO76_LCD_PCLK,
 142 };
 143 #endif /* CONFIG_MACH_TREO680 */
 144
 145 #ifdef CONFIG_MACH_CENTRO
 146 static unsigned long centro685_pin_config[] __initdata = {
 147         /* Bluetooth attached to BT UART*/
 148         MFP_CFG_OUT(GPIO80, AF0, DRIVE_LOW),    /* power: LOW = off */
 149         GPIO42_BTUART_RXD,
 150         GPIO43_BTUART_TXD,
 151         GPIO44_BTUART_CTS,
 152         GPIO45_BTUART_RTS,
 153
 154         /* MATRIX KEYPAD - different wake up source */
 155         GPIO100_KP_MKIN_0,
 156         GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH,
 157
 158         /* LCD */
 159         GPIOxx_LCD_TFT_16BPP,
 160 };
 161 #endif /* CONFIG_MACH_CENTRO */
 162
 163 /******************************************************************************
 164  * GPIO keyboard
 165  ******************************************************************************/
 166 #if IS_ENABLED(CONFIG_KEYBOARD_PXA27x)
 167 static const unsigned int treo680_matrix_keys[] = {
 168         KEY(0, 0, KEY_F8),              /* Red/Off/Power */
 169         KEY(0, 1, KEY_LEFT),
 170         KEY(0, 2, KEY_LEFTCTRL),        /* Alternate */
 171         KEY(0, 3, KEY_L),
 172         KEY(0, 4, KEY_A),
 173         KEY(0, 5, KEY_Q),
 174         KEY(0, 6, KEY_P),
 175
 176         KEY(1, 0, KEY_RIGHTCTRL),       /* Menu */
 177         KEY(1, 1, KEY_RIGHT),
 178         KEY(1, 2, KEY_LEFTSHIFT),       /* Left shift */
 179         KEY(1, 3, KEY_Z),
 180         KEY(1, 4, KEY_S),
 181         KEY(1, 5, KEY_W),
 182
 183         KEY(2, 0, KEY_F1),              /* Phone */
 184         KEY(2, 1, KEY_UP),
 185         KEY(2, 2, KEY_0),
 186         KEY(2, 3, KEY_X),
 187         KEY(2, 4, KEY_D),
 188         KEY(2, 5, KEY_E),
 189
 190         KEY(3, 0, KEY_F10),             /* Calendar */
 191         KEY(3, 1, KEY_DOWN),
 192         KEY(3, 2, KEY_SPACE),
 193         KEY(3, 3, KEY_C),
 194         KEY(3, 4, KEY_F),
 195         KEY(3, 5, KEY_R),
 196
 197         KEY(4, 0, KEY_F12),             /* Mail */
 198         KEY(4, 1, KEY_KPENTER),
 199         KEY(4, 2, KEY_RIGHTALT),        /* Alt */
 200         KEY(4, 3, KEY_V),
 201         KEY(4, 4, KEY_G),
 202         KEY(4, 5, KEY_T),
 203
 204         KEY(5, 0, KEY_F9),              /* Home */
 205         KEY(5, 1, KEY_PAGEUP),          /* Side up */
 206         KEY(5, 2, KEY_DOT),
 207         KEY(5, 3, KEY_B),
 208         KEY(5, 4, KEY_H),
 209         KEY(5, 5, KEY_Y),
 210
 211         KEY(6, 0, KEY_TAB),             /* Side Activate */
 212         KEY(6, 1, KEY_PAGEDOWN),        /* Side down */
 213         KEY(6, 2, KEY_ENTER),
 214         KEY(6, 3, KEY_N),
 215         KEY(6, 4, KEY_J),
 216         KEY(6, 5, KEY_U),
 217
 218         KEY(7, 0, KEY_F6),              /* Green/Call */
 219         KEY(7, 1, KEY_O),
 220         KEY(7, 2, KEY_BACKSPACE),
 221         KEY(7, 3, KEY_M),
 222         KEY(7, 4, KEY_K),
 223         KEY(7, 5, KEY_I),
 224 };
 225
 226 static const unsigned int centro_matrix_keys[] = {
 227         KEY(0, 0, KEY_F9),              /* Home */
 228         KEY(0, 1, KEY_LEFT),
 229         KEY(0, 2, KEY_LEFTCTRL),        /* Alternate */
 230         KEY(0, 3, KEY_L),
 231         KEY(0, 4, KEY_A),
 232         KEY(0, 5, KEY_Q),
 233         KEY(0, 6, KEY_P),
 234
 235         KEY(1, 0, KEY_RIGHTCTRL),       /* Menu */
 236         KEY(1, 1, KEY_RIGHT),
 237         KEY(1, 2, KEY_LEFTSHIFT),       /* Left shift */
 238         KEY(1, 3, KEY_Z),
 239         KEY(1, 4, KEY_S),
 240         KEY(1, 5, KEY_W),
 241
 242         KEY(2, 0, KEY_F1),              /* Phone */
 243         KEY(2, 1, KEY_UP),
 244         KEY(2, 2, KEY_0),
 245         KEY(2, 3, KEY_X),
 246         KEY(2, 4, KEY_D),
 247         KEY(2, 5, KEY_E),
 248
 249         KEY(3, 0, KEY_F10),             /* Calendar */
 250         KEY(3, 1, KEY_DOWN),
 251         KEY(3, 2, KEY_SPACE),
 252         KEY(3, 3, KEY_C),
 253         KEY(3, 4, KEY_F),
 254         KEY(3, 5, KEY_R),
 255
 256         KEY(4, 0, KEY_F12),             /* Mail */
 257         KEY(4, 1, KEY_KPENTER),
 258         KEY(4, 2, KEY_RIGHTALT),        /* Alt */
 259         KEY(4, 3, KEY_V),
 260         KEY(4, 4, KEY_G),
 261         KEY(4, 5, KEY_T),
 262
 263         KEY(5, 0, KEY_F8),              /* Red/Off/Power */
 264         KEY(5, 1, KEY_PAGEUP),          /* Side up */
 265         KEY(5, 2, KEY_DOT),
 266         KEY(5, 3, KEY_B),
 267         KEY(5, 4, KEY_H),
 268         KEY(5, 5, KEY_Y),
 269
 270         KEY(6, 0, KEY_TAB),             /* Side Activate */
 271         KEY(6, 1, KEY_PAGEDOWN),        /* Side down */
 272         KEY(6, 2, KEY_ENTER),
 273         KEY(6, 3, KEY_N),
 274         KEY(6, 4, KEY_J),
 275         KEY(6, 5, KEY_U),
 276
 277         KEY(7, 0, KEY_F6),              /* Green/Call */
 278         KEY(7, 1, KEY_O),
 279         KEY(7, 2, KEY_BACKSPACE),
 280         KEY(7, 3, KEY_M),
 281         KEY(7, 4, KEY_K),
 282         KEY(7, 5, KEY_I),
 283 };
 284
 285 static struct matrix_keymap_data treo680_matrix_keymap_data = {
 286         .keymap                 = treo680_matrix_keys,
 287         .keymap_size            = ARRAY_SIZE(treo680_matrix_keys),
 288 };
 289
 290 static struct matrix_keymap_data centro_matrix_keymap_data = {
 291         .keymap                 = centro_matrix_keys,
 292         .keymap_size            = ARRAY_SIZE(centro_matrix_keys),
 293 };
 294
 295 static struct pxa27x_keypad_platform_data treo680_keypad_pdata = {
 296         .matrix_key_rows        = 8,
 297         .matrix_key_cols        = 7,
 298         .matrix_keymap_data     = &treo680_matrix_keymap_data,
 299         .direct_key_map         = { KEY_CONNECT },
 300         .direct_key_num         = 1,
 301
 302         .debounce_interval      = 30,
 303 };
 304
 305 static void __init palmtreo_kpc_init(void)
 306 {
 307         static struct pxa27x_keypad_platform_data *data = &treo680_keypad_pdata;
 308
 309         if (machine_is_centro())
 310                 data->matrix_keymap_data = &centro_matrix_keymap_data;
 311
 312         pxa_set_keypad_info(&treo680_keypad_pdata);
 313 }
 314 #else
 315 static inline void palmtreo_kpc_init(void) {}
 316 #endif
 317
 318 /******************************************************************************
 319  * USB host
 320  ******************************************************************************/
 321 #if IS_ENABLED(CONFIG_USB_OHCI_HCD)
 322 static struct pxaohci_platform_data treo680_ohci_info = {
 323         .port_mode    = PMM_PERPORT_MODE,
 324         .flags        = ENABLE_PORT1 | ENABLE_PORT3,
 325         .power_budget = 0,
 326 };
 327
 328 static void __init palmtreo_uhc_init(void)
 329 {
 330         if (machine_is_treo680())
 331                 pxa_set_ohci_info(&treo680_ohci_info);
 332 }
 333 #else
 334 static inline void palmtreo_uhc_init(void) {}
 335 #endif
 336
 337 /******************************************************************************
 338  * Vibra and LEDs
 339  ******************************************************************************/
 340 static struct gpio_led treo680_gpio_leds[] = {
 341         {
 342                 .name                   = "treo680:vibra:vibra",
 343                 .default_trigger        = "none",
 344                 .gpio                   = GPIO_NR_TREO680_VIBRATE_EN,
 345         },
 346         {
 347                 .name                   = "treo680:green:led",
 348                 .default_trigger        = "mmc0",
 349                 .gpio                   = GPIO_NR_TREO_GREEN_LED,
 350         },
 351         {
 352                 .name                   = "treo680:white:keybbl",
 353                 .default_trigger        = "none",
 354                 .gpio                   = GPIO_NR_TREO680_KEYB_BL,
 355         },
 356 };
 357
 358 static struct gpio_led_platform_data treo680_gpio_led_info = {
 359         .leds           = treo680_gpio_leds,
 360         .num_leds       = ARRAY_SIZE(treo680_gpio_leds),
 361 };
 362
 363 static struct gpio_led centro_gpio_leds[] = {
 364         {
 365                 .name                   = "centro:vibra:vibra",
 366                 .default_trigger        = "none",
 367                 .gpio                   = GPIO_NR_CENTRO_VIBRATE_EN,
 368         },
 369         {
 370                 .name                   = "centro:green:led",
 371                 .default_trigger        = "mmc0",
 372                 .gpio                   = GPIO_NR_TREO_GREEN_LED,
 373         },
 374         {
 375                 .name                   = "centro:white:keybbl",
 376                 .default_trigger        = "none",
 377                 .active_low             = 1,
 378                 .gpio                   = GPIO_NR_CENTRO_KEYB_BL,
 379         },
 380 };
 381
 382 static struct gpio_led_platform_data centro_gpio_led_info = {
 383         .leds           = centro_gpio_leds,
 384         .num_leds       = ARRAY_SIZE(centro_gpio_leds),
 385 };
 386
 387 static struct platform_device palmtreo_leds = {
 388         .name   = "leds-gpio",
 389         .id     = -1,
 390 };
 391
 392 static void __init palmtreo_leds_init(void)
 393 {
 394         if (machine_is_centro())
 395                 palmtreo_leds.dev.platform_data = &centro_gpio_led_info;
 396         else if (machine_is_treo680())
 397                 palmtreo_leds.dev.platform_data = &treo680_gpio_led_info;
 398
 399         platform_device_register(&palmtreo_leds);
 400 }
 401
 402 /******************************************************************************
 403  * Machine init
 404  ******************************************************************************/
 405 static void __init treo_reserve(void)
 406 {
 407         memblock_reserve(0xa0000000, 0x1000);
 408         memblock_reserve(0xa2000000, 0x1000);
 409 }
 410
 411 static void __init palmphone_common_init(void)
 412 {
 413         pxa2xx_mfp_config(ARRAY_AND_SIZE(treo_pin_config));
 414         pxa_set_ffuart_info(NULL);
 415         pxa_set_btuart_info(NULL);
 416         pxa_set_stuart_info(NULL);
 417         palm27x_pm_init(TREO_STR_BASE);
 418         palm27x_lcd_init(GPIO_NR_TREO_BL_POWER, &palm_320x320_new_lcd_mode);
 419         palm27x_udc_init(GPIO_NR_TREO_USB_DETECT, GPIO_NR_TREO_USB_PULLUP, 1);
 420         palm27x_irda_init(GPIO_NR_TREO_IR_EN);
 421         palm27x_ac97_init(-1, -1, -1, 95);
 422         palm27x_pwm_init(GPIO_NR_TREO_BL_POWER, -1);
 423         palm27x_power_init(GPIO_NR_TREO_POWER_DETECT, -1);
 424         palm27x_pmic_init();
 425         palmtreo_kpc_init();
 426         palmtreo_uhc_init();
 427         palmtreo_leds_init();
 428 }
 429
 430 #ifdef CONFIG_MACH_TREO680
 431 void __init treo680_gpio_init(void)
 432 {
 433         unsigned int gpio;
 434
 435         /* drive all three lcd gpios high initially */
 436         const unsigned long lcd_flags = GPIOF_INIT_HIGH | GPIOF_DIR_OUT;
 437
 438         /*
 439          * LCD GPIO initialization...
 440          */
 441
 442         /*
 443          * This is likely the power to the lcd.  Toggling it low/high appears to
 444          * turn the lcd off/on.  Can be toggled after lcd is initialized without
 445          * any apparent adverse effects to the lcd operation.  Note that this
 446          * gpio line is used by the lcd controller as the L_BIAS signal, but
 447          * treo680 configures it as gpio.
 448          */
 449         gpio = GPIO_NR_TREO680_LCD_POWER;
 450         if (gpio_request_one(gpio, lcd_flags, "LCD power") < 0)
 451                 goto fail;
 452
 453         /*
 454          * These two are called "enables", for lack of a better understanding.
 455          * If either of these are toggled after the lcd is initialized, the
 456          * image becomes degraded.  N.B. The IPL shipped with the treo
 457          * configures GPIO_NR_TREO680_LCD_EN_N as output and drives it high.  If
 458          * the IPL is ever reprogrammed, this initialization may be need to be
 459          * revisited.
 460          */
 461         gpio = GPIO_NR_TREO680_LCD_EN;
 462         if (gpio_request_one(gpio, lcd_flags, "LCD enable") < 0)
 463                 goto fail;
 464         gpio = GPIO_NR_TREO680_LCD_EN_N;
 465         if (gpio_request_one(gpio, lcd_flags, "LCD enable_n") < 0)
 466                 goto fail;
 467
 468         /* driving this low turns LCD on */
 469         gpio_set_value(GPIO_NR_TREO680_LCD_EN_N, 0);
 470
 471         return;
 472  fail:
 473         pr_err("gpio %d initialization failed\n", gpio);
 474         gpio_free(GPIO_NR_TREO680_LCD_POWER);
 475         gpio_free(GPIO_NR_TREO680_LCD_EN);
 476         gpio_free(GPIO_NR_TREO680_LCD_EN_N);
 477 }
 478
 479 static struct gpiod_lookup_table treo680_mci_gpio_table = {
 480         .dev_id = "pxa2xx-mci.0",
 481         .table = {
 482                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_TREO_SD_DETECT_N,
 483                             "cd", GPIO_ACTIVE_LOW),
 484                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_TREO680_SD_READONLY,
 485                             "wp", GPIO_ACTIVE_LOW),
 486                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_TREO680_SD_POWER,
 487                             "power", GPIO_ACTIVE_HIGH),
 488                 { },
 489         },
 490 };
 491
 492 static void __init treo680_init(void)
 493 {
 494         pxa2xx_mfp_config(ARRAY_AND_SIZE(treo680_pin_config));
 495         palmphone_common_init();
 496         treo680_gpio_init();
 497         palm27x_mmc_init(&treo680_mci_gpio_table);
 498 }
 499 #endif
 500
 501 #ifdef CONFIG_MACH_CENTRO
 502
 503 static struct gpiod_lookup_table centro685_mci_gpio_table = {
 504         .dev_id = "pxa2xx-mci.0",
 505         .table = {
 506                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_TREO_SD_DETECT_N,
 507                             "cd", GPIO_ACTIVE_LOW),
 508                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_CENTRO_SD_POWER,
 509                             "power", GPIO_ACTIVE_LOW),
 510                 { },
 511         },
 512 };
 513
 514 static void __init centro_init(void)
 515 {
 516         pxa2xx_mfp_config(ARRAY_AND_SIZE(centro685_pin_config));
 517         palmphone_common_init();
 518         palm27x_mmc_init(&centro685_mci_gpio_table);
 519 }
 520 #endif
 521
 522 #ifdef CONFIG_MACH_TREO680
 523 MACHINE_START(TREO680, "Palm Treo 680")
 524         .atag_offset    = 0x100,
 525         .map_io         = pxa27x_map_io,
 526         .reserve        = treo_reserve,
 527         .nr_irqs        = PXA_NR_IRQS,
 528         .init_irq       = pxa27x_init_irq,
 529         .handle_irq       = pxa27x_handle_irq,
 530         .init_time      = pxa_timer_init,
 531         .init_machine   = treo680_init,
 532         .restart        = pxa_restart,
 533 MACHINE_END
 534 #endif
 535
 536 #ifdef CONFIG_MACH_CENTRO
 537 MACHINE_START(CENTRO, "Palm Centro 685")
 538         .atag_offset    = 0x100,
 539         .map_io         = pxa27x_map_io,
 540         .reserve        = treo_reserve,
 541         .nr_irqs        = PXA_NR_IRQS,
 542         .init_irq       = pxa27x_init_irq,
 543         .handle_irq       = pxa27x_handle_irq,
 544         .init_time      = pxa_timer_init,
 545         .init_machine   = centro_init,
 546         .restart        = pxa_restart,
 547 MACHINE_END
 548 #endif