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.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 #define GPIO_MMC1_CARD_DETECT   mfp_to_gpio(MFP_PIN_GPIO15)
  55
  56 /* Littleton MFP configurations */
  57 static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
  58         /* LCD */
  59         GPIO54_LCD_LDD_0,
  60         GPIO55_LCD_LDD_1,
  61         GPIO56_LCD_LDD_2,
  62         GPIO57_LCD_LDD_3,
  63         GPIO58_LCD_LDD_4,
  64         GPIO59_LCD_LDD_5,
  65         GPIO60_LCD_LDD_6,
  66         GPIO61_LCD_LDD_7,
  67         GPIO62_LCD_LDD_8,
  68         GPIO63_LCD_LDD_9,
  69         GPIO64_LCD_LDD_10,
  70         GPIO65_LCD_LDD_11,
  71         GPIO66_LCD_LDD_12,
  72         GPIO67_LCD_LDD_13,
  73         GPIO68_LCD_LDD_14,
  74         GPIO69_LCD_LDD_15,
  75         GPIO70_LCD_LDD_16,
  76         GPIO71_LCD_LDD_17,
  77         GPIO72_LCD_FCLK,
  78         GPIO73_LCD_LCLK,
  79         GPIO74_LCD_PCLK,
  80         GPIO75_LCD_BIAS,
  81
  82         /* SSP2 */
  83         GPIO25_SSP2_SCLK,
  84         GPIO27_SSP2_TXD,
  85         GPIO17_GPIO,    /* SFRM as chip-select */
  86
  87         /* Debug Ethernet */
  88         GPIO90_GPIO,
  89
  90         /* Keypad */
  91         GPIO107_KP_DKIN_0,
  92         GPIO108_KP_DKIN_1,
  93         GPIO115_KP_MKIN_0,
  94         GPIO116_KP_MKIN_1,
  95         GPIO117_KP_MKIN_2,
  96         GPIO118_KP_MKIN_3,
  97         GPIO119_KP_MKIN_4,
  98         GPIO120_KP_MKIN_5,
  99         GPIO121_KP_MKOUT_0,
 100         GPIO122_KP_MKOUT_1,
 101         GPIO123_KP_MKOUT_2,
 102         GPIO124_KP_MKOUT_3,
 103         GPIO125_KP_MKOUT_4,
 104
 105         /* MMC1 */
 106         GPIO3_MMC1_DAT0,
 107         GPIO4_MMC1_DAT1,
 108         GPIO5_MMC1_DAT2,
 109         GPIO6_MMC1_DAT3,
 110         GPIO7_MMC1_CLK,
 111         GPIO8_MMC1_CMD,
 112         GPIO15_GPIO, /* card detect */
 113
 114         /* UART3 */
 115         GPIO107_UART3_CTS,
 116         GPIO108_UART3_RTS,
 117         GPIO109_UART3_TXD,
 118         GPIO110_UART3_RXD,
 119 };
 120
 121 static struct resource smc91x_resources[] = {
 122         [0] = {
 123                 .start  = (LITTLETON_ETH_PHYS + 0x300),
 124                 .end    = (LITTLETON_ETH_PHYS + 0xfffff),
 125                 .flags  = IORESOURCE_MEM,
 126         },
 127         [1] = {
 128                 .start  = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO90)),
 129                 .end    = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO90)),
 130                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 131         }
 132 };
 133
 134 static struct smc91x_platdata littleton_smc91x_info = {
 135         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
 136                   SMC91X_NOWAIT | SMC91X_USE_DMA,
 137 };
 138
 139 static struct platform_device smc91x_device = {
 140         .name           = "smc91x",
 141         .id             = 0,
 142         .num_resources  = ARRAY_SIZE(smc91x_resources),
 143         .resource       = smc91x_resources,
 144         .dev            = {
 145                 .platform_data = &littleton_smc91x_info,
 146         },
 147 };
 148
 149 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 150 static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = {
 151         [0] = {
 152                 /* VGA */
 153                 .pixclock       = 38250,
 154                 .xres           = 480,
 155                 .yres           = 640,
 156                 .bpp            = 16,
 157                 .hsync_len      = 8,
 158                 .left_margin    = 8,
 159                 .right_margin   = 24,
 160                 .vsync_len      = 2,
 161                 .upper_margin   = 2,
 162                 .lower_margin   = 4,
 163                 .sync           = 0,
 164         },
 165         [1] = {
 166                 /* QVGA */
 167                 .pixclock       = 153000,
 168                 .xres           = 240,
 169                 .yres           = 320,
 170                 .bpp            = 16,
 171                 .hsync_len      = 8,
 172                 .left_margin    = 8,
 173                 .right_margin   = 88,
 174                 .vsync_len      = 2,
 175                 .upper_margin   = 2,
 176                 .lower_margin   = 2,
 177                 .sync           = 0,
 178         },
 179 };
 180
 181 static struct pxafb_mach_info littleton_lcd_info = {
 182         .modes                  = tpo_tdo24mtea1_modes,
 183         .num_modes              = 2,
 184         .lcd_conn               = LCD_COLOR_TFT_16BPP,
 185 };
 186
 187 static void __init littleton_init_lcd(void)
 188 {
 189         pxa_set_fb_info(NULL, &littleton_lcd_info);
 190 }
 191 #else
 192 static inline void littleton_init_lcd(void) {};
 193 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
 194
 195 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 196 static struct pxa2xx_spi_master littleton_spi_info = {
 197         .num_chipselect         = 1,
 198 };
 199
 200 static struct pxa2xx_spi_chip littleton_tdo24m_chip = {
 201         .rx_threshold   = 1,
 202         .tx_threshold   = 1,
 203         .gpio_cs        = LITTLETON_GPIO_LCD_CS,
 204 };
 205
 206 static struct spi_board_info littleton_spi_devices[] __initdata = {
 207         {
 208                 .modalias       = "tdo24m",
 209                 .max_speed_hz   = 1000000,
 210                 .bus_num        = 2,
 211                 .chip_select    = 0,
 212                 .controller_data= &littleton_tdo24m_chip,
 213         },
 214 };
 215
 216 static void __init littleton_init_spi(void)
 217 {
 218         pxa2xx_set_spi_info(2, &littleton_spi_info);
 219         spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices));
 220 }
 221 #else
 222 static inline void littleton_init_spi(void) {}
 223 #endif
 224
 225 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 226 static const unsigned int littleton_matrix_key_map[] = {
 227         /* KEY(row, col, key_code) */
 228         KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3),
 229         KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7),
 230         KEY(1, 2, KEY_8), KEY(2, 2, KEY_9),
 231
 232         KEY(0, 3, KEY_KPASTERISK),      /* * */
 233         KEY(2, 3, KEY_KPDOT),           /* # */
 234
 235         KEY(5, 4, KEY_ENTER),
 236
 237         KEY(5, 0, KEY_UP),
 238         KEY(5, 1, KEY_DOWN),
 239         KEY(5, 2, KEY_LEFT),
 240         KEY(5, 3, KEY_RIGHT),
 241         KEY(3, 2, KEY_HOME),
 242         KEY(4, 1, KEY_END),
 243         KEY(3, 3, KEY_BACK),
 244
 245         KEY(4, 0, KEY_SEND),
 246         KEY(4, 2, KEY_VOLUMEUP),
 247         KEY(4, 3, KEY_VOLUMEDOWN),
 248
 249         KEY(3, 0, KEY_F22),     /* soft1 */
 250         KEY(3, 1, KEY_F23),     /* soft2 */
 251 };
 252
 253 static struct matrix_keymap_data littleton_matrix_keymap_data = {
 254         .keymap                 = littleton_matrix_key_map,
 255         .keymap_size            = ARRAY_SIZE(littleton_matrix_key_map),
 256 };
 257
 258 static struct pxa27x_keypad_platform_data littleton_keypad_info = {
 259         .matrix_key_rows        = 6,
 260         .matrix_key_cols        = 5,
 261         .matrix_keymap_data     = &littleton_matrix_keymap_data,
 262
 263         .enable_rotary0         = 1,
 264         .rotary0_up_key         = KEY_UP,
 265         .rotary0_down_key       = KEY_DOWN,
 266
 267         .debounce_interval      = 30,
 268 };
 269 static void __init littleton_init_keypad(void)
 270 {
 271         pxa_set_keypad_info(&littleton_keypad_info);
 272 }
 273 #else
 274 static inline void littleton_init_keypad(void) {}
 275 #endif
 276
 277 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 278 static struct pxamci_platform_data littleton_mci_platform_data = {
 279         .detect_delay_ms        = 200,
 280         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 281         .gpio_card_detect       = GPIO_MMC1_CARD_DETECT,
 282         .gpio_card_ro           = -1,
 283         .gpio_power             = -1,
 284 };
 285
 286 static void __init littleton_init_mmc(void)
 287 {
 288         pxa_set_mci_info(&littleton_mci_platform_data);
 289 }
 290 #else
 291 static inline void littleton_init_mmc(void) {}
 292 #endif
 293
 294 #if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
 295 static struct mtd_partition littleton_nand_partitions[] = {
 296         [0] = {
 297                 .name        = "Bootloader",
 298                 .offset      = 0,
 299                 .size        = 0x060000,
 300                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 301         },
 302         [1] = {
 303                 .name        = "Kernel",
 304                 .offset      = 0x060000,
 305                 .size        = 0x200000,
 306                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 307         },
 308         [2] = {
 309                 .name        = "Filesystem",
 310                 .offset      = 0x0260000,
 311                 .size        = 0x3000000,     /* 48M - rootfs */
 312         },
 313         [3] = {
 314                 .name        = "MassStorage",
 315                 .offset      = 0x3260000,
 316                 .size        = 0x3d40000,
 317         },
 318         [4] = {
 319                 .name        = "BBT",
 320                 .offset      = 0x6FA0000,
 321                 .size        = 0x80000,
 322                 .mask_flags  = MTD_WRITEABLE,  /* force read-only */
 323         },
 324         /* NOTE: we reserve some blocks at the end of the NAND flash for
 325          * bad block management, and the max number of relocation blocks
 326          * differs on different platforms. Please take care with it when
 327          * defining the partition table.
 328          */
 329 };
 330
 331 static struct pxa3xx_nand_platform_data littleton_nand_info = {
 332         .parts          = littleton_nand_partitions,
 333         .nr_parts       = ARRAY_SIZE(littleton_nand_partitions),
 334 };
 335
 336 static void __init littleton_init_nand(void)
 337 {
 338         pxa3xx_set_nand_info(&littleton_nand_info);
 339 }
 340 #else
 341 static inline void littleton_init_nand(void) {}
 342 #endif /* IS_ENABLED(CONFIG_MTD_NAND_MARVELL) */
 343
 344 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
 345 static struct led_info littleton_da9034_leds[] = {
 346         [0] = {
 347                 .name   = "littleton:keypad1",
 348                 .flags  = DA9034_LED_RAMP,
 349         },
 350         [1] = {
 351                 .name   = "littleton:keypad2",
 352                 .flags  = DA9034_LED_RAMP,
 353         },
 354         [2] = {
 355                 .name   = "littleton:vibra",
 356                 .flags  = 0,
 357         },
 358 };
 359
 360 static struct da9034_touch_pdata littleton_da9034_touch = {
 361         .x_inverted     = 1,
 362         .interval_ms    = 20,
 363 };
 364
 365 static struct da903x_subdev_info littleton_da9034_subdevs[] = {
 366         {
 367                 .name           = "da903x-led",
 368                 .id             = DA9034_ID_LED_1,
 369                 .platform_data  = &littleton_da9034_leds[0],
 370         }, {
 371                 .name           = "da903x-led",
 372                 .id             = DA9034_ID_LED_2,
 373                 .platform_data  = &littleton_da9034_leds[1],
 374         }, {
 375                 .name           = "da903x-led",
 376                 .id             = DA9034_ID_VIBRA,
 377                 .platform_data  = &littleton_da9034_leds[2],
 378         }, {
 379                 .name           = "da903x-backlight",
 380                 .id             = DA9034_ID_WLED,
 381         }, {
 382                 .name           = "da9034-touch",
 383                 .id             = DA9034_ID_TOUCH,
 384                 .platform_data  = &littleton_da9034_touch,
 385         },
 386 };
 387
 388 static struct da903x_platform_data littleton_da9034_info = {
 389         .num_subdevs    = ARRAY_SIZE(littleton_da9034_subdevs),
 390         .subdevs        = littleton_da9034_subdevs,
 391 };
 392
 393 static struct max732x_platform_data littleton_max7320_info = {
 394         .gpio_base      = EXT0_GPIO_BASE,
 395 };
 396
 397 static struct i2c_board_info littleton_i2c_info[] = {
 398         [0] = {
 399                 .type           = "da9034",
 400                 .addr           = 0x34,
 401                 .platform_data  = &littleton_da9034_info,
 402                 .irq            = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO18)),
 403         },
 404         [1] = {
 405                 .type           = "max7320",
 406                 .addr           = 0x50,
 407                 .platform_data  = &littleton_max7320_info,
 408         },
 409 };
 410
 411 static void __init littleton_init_i2c(void)
 412 {
 413         pxa_set_i2c_info(NULL);
 414         i2c_register_board_info(0, ARRAY_AND_SIZE(littleton_i2c_info));
 415 }
 416 #else
 417 static inline void littleton_init_i2c(void) {}
 418 #endif /* CONFIG_I2C_PXA || CONFIG_I2C_PXA_MODULE */
 419
 420 static void __init littleton_init(void)
 421 {
 422         /* initialize MFP configurations */
 423         pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
 424
 425         pxa_set_ffuart_info(NULL);
 426         pxa_set_btuart_info(NULL);
 427         pxa_set_stuart_info(NULL);
 428
 429         /*
 430          * Note: we depend bootloader set the correct
 431          * value to MSC register for SMC91x.
 432          */
 433         platform_device_register(&smc91x_device);
 434
 435         littleton_init_spi();
 436         littleton_init_i2c();
 437         littleton_init_mmc();
 438         littleton_init_lcd();
 439         littleton_init_keypad();
 440         littleton_init_nand();
 441 }
 442
 443 MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
 444         .atag_offset    = 0x100,
 445         .map_io         = pxa3xx_map_io,
 446         .nr_irqs        = LITTLETON_NR_IRQS,
 447         .init_irq       = pxa3xx_init_irq,
 448         .handle_irq     = pxa3xx_handle_irq,
 449         .init_time      = pxa_timer_init,
 450         .init_machine   = littleton_init,
 451         .restart        = pxa_restart,
 452 MACHINE_END