arch/arm/mach-pxa/littleton.c

   1 /*
   2  *  linux/arch/arm/mach-pxa/littleton.c
   3  *
   4  *  Support for the Marvell Littleton Development Platform.
   5  *
   6  *  Author:     Jason Chagas (largely modified code)
   7  *  Created:    Nov 20, 2006
   8  *  Copyright:  (C) Copyright 2006 Marvell International Ltd.
   9  *
  10  *  2007-11-22  modified to align with latest kernel
  11  *              eric miao <eric.miao@marvell.com>
  12  *
  13  *  This program is free software; you can redistribute it and/or modify
  14  *  it under the terms of the GNU General Public License version 2 as
  15  *  publishhed by the Free Software Foundation.
  16  */
  17
  18 #include <linux/init.h>
  19 #include <linux/interrupt.h>
  20 #include <linux/delay.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/clk.h>
  23 #include <linux/gpio/machine.h>
  24 #include <linux/spi/spi.h>
  25 #include <linux/spi/pxa2xx_spi.h>
  26 #include <linux/smc91x.h>
  27 #include <linux/i2c.h>
  28 #include <linux/leds.h>
  29 #include <linux/mfd/da903x.h>
  30 #include <linux/platform_data/max732x.h>
  31 #include <linux/platform_data/i2c-pxa.h>
  32
  33 #include <asm/types.h>
  34 #include <asm/setup.h>
  35 #include <asm/memory.h>
  36 #include <asm/mach-types.h>
  37 #include <mach/hardware.h>
  38 #include <asm/irq.h>
  39
  40 #include <asm/mach/arch.h>
  41 #include <asm/mach/map.h>
  42 #include <asm/mach/irq.h>
  43
  44 #include "pxa300.h"
  45 #include "devices.h"
  46 #include <linux/platform_data/video-pxafb.h>
  47 #include <linux/platform_data/mmc-pxamci.h>
  48 #include <linux/platform_data/keypad-pxa27x.h>
  49 #include "littleton.h"
  50 #include <linux/platform_data/mtd-nand-pxa3xx.h>
  51
  52 #include "generic.h"
  53
  54 /* Littleton MFP configurations */
  55 static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
  56         /* LCD */
  57         GPIO54_LCD_LDD_0,
  58         GPIO55_LCD_LDD_1,
  59         GPIO56_LCD_LDD_2,
  60         GPIO57_LCD_LDD_3,
  61         GPIO58_LCD_LDD_4,
  62         GPIO59_LCD_LDD_5,
  63         GPIO60_LCD_LDD_6,
  64         GPIO61_LCD_LDD_7,
  65         GPIO62_LCD_LDD_8,
  66         GPIO63_LCD_LDD_9,
  67         GPIO64_LCD_LDD_10,
  68         GPIO65_LCD_LDD_11,
  69         GPIO66_LCD_LDD_12,
  70         GPIO67_LCD_LDD_13,
  71         GPIO68_LCD_LDD_14,
  72         GPIO69_LCD_LDD_15,
  73         GPIO70_LCD_LDD_16,
  74         GPIO71_LCD_LDD_17,
  75         GPIO72_LCD_FCLK,
  76         GPIO73_LCD_LCLK,
  77         GPIO74_LCD_PCLK,
  78         GPIO75_LCD_BIAS,
  79
  80         /* SSP2 */
  81         GPIO25_SSP2_SCLK,
  82         GPIO27_SSP2_TXD,
  83         GPIO17_GPIO,    /* SFRM as chip-select */
  84
  85         /* Debug Ethernet */
  86         GPIO90_GPIO,
  87
  88         /* Keypad */
  89         GPIO107_KP_DKIN_0,
  90         GPIO108_KP_DKIN_1,
  91         GPIO115_KP_MKIN_0,
  92         GPIO116_KP_MKIN_1,
  93         GPIO117_KP_MKIN_2,
  94         GPIO118_KP_MKIN_3,
  95         GPIO119_KP_MKIN_4,
  96         GPIO120_KP_MKIN_5,
  97         GPIO121_KP_MKOUT_0,
  98         GPIO122_KP_MKOUT_1,
  99         GPIO123_KP_MKOUT_2,
 100         GPIO124_KP_MKOUT_3,
 101         GPIO125_KP_MKOUT_4,
 102
 103         /* MMC1 */
 104         GPIO3_MMC1_DAT0,
 105         GPIO4_MMC1_DAT1,
 106         GPIO5_MMC1_DAT2,
 107         GPIO6_MMC1_DAT3,
 108         GPIO7_MMC1_CLK,
 109         GPIO8_MMC1_CMD,
 110         GPIO15_GPIO, /* card detect */
 111
 112         /* UART3 */
 113         GPIO107_UART3_CTS,
 114         GPIO108_UART3_RTS,
 115         GPIO109_UART3_TXD,
 116         GPIO110_UART3_RXD,
 117 };
 118
 119 static struct resource smc91x_resources[] = {
 120         [0] = {
 121                 .start  = (LITTLETON_ETH_PHYS + 0x300),
 122                 .end    = (LITTLETON_ETH_PHYS + 0xfffff),
 123                 .flags  = IORESOURCE_MEM,
 124         },
 125         [1] = {
 126                 .start  = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO90)),
 127                 .end    = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO90)),
 128                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 129         }
 130 };
 131
 132 static struct smc91x_platdata littleton_smc91x_info = {
 133         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
 134                   SMC91X_NOWAIT | SMC91X_USE_DMA,
 135 };
 136
 137 static struct platform_device smc91x_device = {
 138         .name           = "smc91x",
 139         .id             = 0,
 140         .num_resources  = ARRAY_SIZE(smc91x_resources),
 141         .resource       = smc91x_resources,
 142         .dev            = {
 143                 .platform_data = &littleton_smc91x_info,
 144         },
 145 };
 146
 147 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 148 static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = {
 149         [0] = {
 150                 /* VGA */
 151                 .pixclock       = 38250,
 152                 .xres           = 480,
 153                 .yres           = 640,
 154                 .bpp            = 16,
 155                 .hsync_len      = 8,
 156                 .left_margin    = 8,
 157                 .right_margin   = 24,
 158                 .vsync_len      = 2,
 159                 .upper_margin   = 2,
 160                 .lower_margin   = 4,
 161                 .sync           = 0,
 162         },
 163         [1] = {
 164                 /* QVGA */
 165                 .pixclock       = 153000,
 166                 .xres           = 240,
 167                 .yres           = 320,
 168                 .bpp            = 16,
 169                 .hsync_len      = 8,
 170                 .left_margin    = 8,
 171                 .right_margin   = 88,
 172                 .vsync_len      = 2,
 173                 .upper_margin   = 2,
 174                 .lower_margin   = 2,
 175                 .sync           = 0,
 176         },
 177 };
 178
 179 static struct pxafb_mach_info littleton_lcd_info = {
 180         .modes                  = tpo_tdo24mtea1_modes,
 181         .num_modes              = 2,
 182         .lcd_conn               = LCD_COLOR_TFT_16BPP,
 183 };
 184
 185 static void __init littleton_init_lcd(void)
 186 {
 187         pxa_set_fb_info(NULL, &littleton_lcd_info);
 188 }
 189 #else
 190 static inline void littleton_init_lcd(void) {};
 191 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
 192
 193 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 194 static struct pxa2xx_spi_master littleton_spi_info = {
 195         .num_chipselect         = 1,
 196 };
 197
 198 static struct pxa2xx_spi_chip littleton_tdo24m_chip = {
 199         .rx_threshold   = 1,
 200         .tx_threshold   = 1,
 201         .gpio_cs        = LITTLETON_GPIO_LCD_CS,
 202 };
 203
 204 static struct spi_board_info littleton_spi_devices[] __initdata = {
 205         {
 206                 .modalias       = "tdo24m",
 207                 .max_speed_hz   = 1000000,
 208                 .bus_num        = 2,
 209                 .chip_select    = 0,
 210                 .controller_data= &littleton_tdo24m_chip,
 211         },
 212 };
 213
 214 static void __init littleton_init_spi(void)
 215 {
 216         pxa2xx_set_spi_info(2, &littleton_spi_info);
 217         spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices));
 218 }
 219 #else
 220 static inline void littleton_init_spi(void) {}
 221 #endif
 222
 223 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 224 static const unsigned int littleton_matrix_key_map[] = {
 225         /* KEY(row, col, key_code) */
 226         KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3),
 227         KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7),
 228         KEY(1, 2, KEY_8), KEY(2, 2, KEY_9),
 229
 230         KEY(0, 3, KEY_KPASTERISK),      /* * */
 231         KEY(2, 3, KEY_KPDOT),           /* # */
 232
 233         KEY(5, 4, KEY_ENTER),
 234
 235         KEY(5, 0, KEY_UP),
 236         KEY(5, 1, KEY_DOWN),
 237         KEY(5, 2, KEY_LEFT),
 238         KEY(5, 3, KEY_RIGHT),
 239         KEY(3, 2, KEY_HOME),
 240         KEY(4, 1, KEY_END),
 241         KEY(3, 3, KEY_BACK),
 242
 243         KEY(4, 0, KEY_SEND),
 244         KEY(4, 2, KEY_VOLUMEUP),
 245         KEY(4, 3, KEY_VOLUMEDOWN),
 246
 247         KEY(3, 0, KEY_F22),     /* soft1 */
 248         KEY(3, 1, KEY_F23),     /* soft2 */
 249 };
 250
 251 static struct matrix_keymap_data littleton_matrix_keymap_data = {
 252         .keymap                 = littleton_matrix_key_map,
 253         .keymap_size            = ARRAY_SIZE(littleton_matrix_key_map),
 254 };
 255
 256 static struct pxa27x_keypad_platform_data littleton_keypad_info = {
 257         .matrix_key_rows        = 6,
 258         .matrix_key_cols        = 5,
 259         .matrix_keymap_data     = &littleton_matrix_keymap_data,
 260
 261         .enable_rotary0         = 1,
 262         .rotary0_up_key         = KEY_UP,
 263         .rotary0_down_key       = KEY_DOWN,
 264
 265         .debounce_interval      = 30,
 266 };
 267 static void __init littleton_init_keypad(void)
 268 {
 269         pxa_set_keypad_info(&littleton_keypad_info);
 270 }
 271 #else
 272 static inline void littleton_init_keypad(void) {}
 273 #endif
 274
 275 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 276 static struct pxamci_platform_data littleton_mci_platform_data = {
 277         .detect_delay_ms        = 200,
 278         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 279 };
 280
 281 static struct gpiod_lookup_table littleton_mci_gpio_table = {
 282         .dev_id = "pxa2xx-mci.0",
 283         .table = {
 284                 /* Card detect on MFP (gpio-pxa) GPIO 15 */
 285                 GPIO_LOOKUP("gpio-pxa", MFP_PIN_GPIO15,
 286                             "cd", GPIO_ACTIVE_LOW),
 287                 { },
 288         },
 289 };
 290
 291 static void __init littleton_init_mmc(void)
 292 {
 293         gpiod_add_lookup_table(&littleton_mci_gpio_table);
 294         pxa_set_mci_info(&littleton_mci_platform_data);
 295 }
 296 #else
 297 static inline void littleton_init_mmc(void) {}
 298 #endif
 299
 300 #if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
 301 static struct mtd_partition littleton_nand_partitions[] = {
 302         [0] = {
 303                 .name        = "Bootloader",
 304                 .offset      = 0,
 305                 .size        = 0x060000,
 306                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 307         },
 308         [1] = {
 309                 .name        = "Kernel",
 310                 .offset      = 0x060000,
 311                 .size        = 0x200000,
 312                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 313         },
 314         [2] = {
 315                 .name        = "Filesystem",
 316                 .offset      = 0x0260000,
 317                 .size        = 0x3000000,     /* 48M - rootfs */
 318         },
 319         [3] = {
 320                 .name        = "MassStorage",
 321                 .offset      = 0x3260000,
 322                 .size        = 0x3d40000,
 323         },
 324         [4] = {
 325                 .name        = "BBT",
 326                 .offset      = 0x6FA0000,
 327                 .size        = 0x80000,
 328                 .mask_flags  = MTD_WRITEABLE,  /* force read-only */
 329         },
 330         /* NOTE: we reserve some blocks at the end of the NAND flash for
 331          * bad block management, and the max number of relocation blocks
 332          * differs on different platforms. Please take care with it when
 333          * defining the partition table.
 334          */
 335 };
 336
 337 static struct pxa3xx_nand_platform_data littleton_nand_info = {
 338         .parts          = littleton_nand_partitions,
 339         .nr_parts       = ARRAY_SIZE(littleton_nand_partitions),
 340 };
 341
 342 static void __init littleton_init_nand(void)
 343 {
 344         pxa3xx_set_nand_info(&littleton_nand_info);
 345 }
 346 #else
 347 static inline void littleton_init_nand(void) {}
 348 #endif /* IS_ENABLED(CONFIG_MTD_NAND_MARVELL) */
 349
 350 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
 351 static struct led_info littleton_da9034_leds[] = {
 352         [0] = {
 353                 .name   = "littleton:keypad1",
 354                 .flags  = DA9034_LED_RAMP,
 355         },
 356         [1] = {
 357                 .name   = "littleton:keypad2",
 358                 .flags  = DA9034_LED_RAMP,
 359         },
 360         [2] = {
 361                 .name   = "littleton:vibra",
 362                 .flags  = 0,
 363         },
 364 };
 365
 366 static struct da9034_touch_pdata littleton_da9034_touch = {
 367         .x_inverted     = 1,
 368         .interval_ms    = 20,
 369 };
 370
 371 static struct da903x_subdev_info littleton_da9034_subdevs[] = {
 372         {
 373                 .name           = "da903x-led",
 374                 .id             = DA9034_ID_LED_1,
 375                 .platform_data  = &littleton_da9034_leds[0],
 376         }, {
 377                 .name           = "da903x-led",
 378                 .id             = DA9034_ID_LED_2,
 379                 .platform_data  = &littleton_da9034_leds[1],
 380         }, {
 381                 .name           = "da903x-led",
 382                 .id             = DA9034_ID_VIBRA,
 383                 .platform_data  = &littleton_da9034_leds[2],
 384         }, {
 385                 .name           = "da903x-backlight",
 386                 .id             = DA9034_ID_WLED,
 387         }, {
 388                 .name           = "da9034-touch",
 389                 .id             = DA9034_ID_TOUCH,
 390                 .platform_data  = &littleton_da9034_touch,
 391         },
 392 };
 393
 394 static struct da903x_platform_data littleton_da9034_info = {
 395         .num_subdevs    = ARRAY_SIZE(littleton_da9034_subdevs),
 396         .subdevs        = littleton_da9034_subdevs,
 397 };
 398
 399 static struct max732x_platform_data littleton_max7320_info = {
 400         .gpio_base      = EXT0_GPIO_BASE,
 401 };
 402
 403 static struct i2c_board_info littleton_i2c_info[] = {
 404         [0] = {
 405                 .type           = "da9034",
 406                 .addr           = 0x34,
 407                 .platform_data  = &littleton_da9034_info,
 408                 .irq            = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO18)),
 409         },
 410         [1] = {
 411                 .type           = "max7320",
 412                 .addr           = 0x50,
 413                 .platform_data  = &littleton_max7320_info,
 414         },
 415 };
 416
 417 static void __init littleton_init_i2c(void)
 418 {
 419         pxa_set_i2c_info(NULL);
 420         i2c_register_board_info(0, ARRAY_AND_SIZE(littleton_i2c_info));
 421 }
 422 #else
 423 static inline void littleton_init_i2c(void) {}
 424 #endif /* CONFIG_I2C_PXA || CONFIG_I2C_PXA_MODULE */
 425
 426 static void __init littleton_init(void)
 427 {
 428         /* initialize MFP configurations */
 429         pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
 430
 431         pxa_set_ffuart_info(NULL);
 432         pxa_set_btuart_info(NULL);
 433         pxa_set_stuart_info(NULL);
 434
 435         /*
 436          * Note: we depend bootloader set the correct
 437          * value to MSC register for SMC91x.
 438          */
 439         platform_device_register(&smc91x_device);
 440
 441         littleton_init_spi();
 442         littleton_init_i2c();
 443         littleton_init_mmc();
 444         littleton_init_lcd();
 445         littleton_init_keypad();
 446         littleton_init_nand();
 447 }
 448
 449 MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
 450         .atag_offset    = 0x100,
 451         .map_io         = pxa3xx_map_io,
 452         .nr_irqs        = LITTLETON_NR_IRQS,
 453         .init_irq       = pxa3xx_init_irq,
 454         .handle_irq     = pxa3xx_handle_irq,
 455         .init_time      = pxa_timer_init,
 456         .init_machine   = littleton_init,
 457         .restart        = pxa_restart,
 458 MACHINE_END