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   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/smc91x.h>
  26 #include <linux/i2c.h>
  27 #include <linux/leds.h>
  28 #include <linux/mfd/da903x.h>
  29 #include <linux/i2c/max732x.h>
  30
  31 #include <asm/types.h>
  32 #include <asm/setup.h>
  33 #include <asm/memory.h>
  34 #include <asm/mach-types.h>
  35 #include <mach/hardware.h>
  36 #include <asm/irq.h>
  37
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/map.h>
  40 #include <asm/mach/irq.h>
  41
  42 #include <mach/pxa300.h>
  43 #include <mach/pxafb.h>
  44 #include <mach/ssp.h>
  45 #include <mach/pxa2xx_spi.h>
  46 #include <mach/i2c.h>
  47 #include <mach/pxa27x_keypad.h>
  48 #include <mach/pxa3xx_nand.h>
  49 #include <mach/littleton.h>
  50
  51 #include "generic.h"
  52
  53 /* Littleton MFP configurations */
  54 static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
  55         /* LCD */
  56         GPIO54_LCD_LDD_0,
  57         GPIO55_LCD_LDD_1,
  58         GPIO56_LCD_LDD_2,
  59         GPIO57_LCD_LDD_3,
  60         GPIO58_LCD_LDD_4,
  61         GPIO59_LCD_LDD_5,
  62         GPIO60_LCD_LDD_6,
  63         GPIO61_LCD_LDD_7,
  64         GPIO62_LCD_LDD_8,
  65         GPIO63_LCD_LDD_9,
  66         GPIO64_LCD_LDD_10,
  67         GPIO65_LCD_LDD_11,
  68         GPIO66_LCD_LDD_12,
  69         GPIO67_LCD_LDD_13,
  70         GPIO68_LCD_LDD_14,
  71         GPIO69_LCD_LDD_15,
  72         GPIO70_LCD_LDD_16,
  73         GPIO71_LCD_LDD_17,
  74         GPIO72_LCD_FCLK,
  75         GPIO73_LCD_LCLK,
  76         GPIO74_LCD_PCLK,
  77         GPIO75_LCD_BIAS,
  78
  79         /* SSP2 */
  80         GPIO25_SSP2_SCLK,
  81         GPIO27_SSP2_TXD,
  82         GPIO17_GPIO,    /* SFRM as chip-select */
  83
  84         /* Debug Ethernet */
  85         GPIO90_GPIO,
  86
  87         /* Keypad */
  88         GPIO107_KP_DKIN_0,
  89         GPIO108_KP_DKIN_1,
  90         GPIO115_KP_MKIN_0,
  91         GPIO116_KP_MKIN_1,
  92         GPIO117_KP_MKIN_2,
  93         GPIO118_KP_MKIN_3,
  94         GPIO119_KP_MKIN_4,
  95         GPIO120_KP_MKIN_5,
  96         GPIO121_KP_MKOUT_0,
  97         GPIO122_KP_MKOUT_1,
  98         GPIO123_KP_MKOUT_2,
  99         GPIO124_KP_MKOUT_3,
 100         GPIO125_KP_MKOUT_4,
 101 };
 102
 103 static struct resource smc91x_resources[] = {
 104         [0] = {
 105                 .start  = (LITTLETON_ETH_PHYS + 0x300),
 106                 .end    = (LITTLETON_ETH_PHYS + 0xfffff),
 107                 .flags  = IORESOURCE_MEM,
 108         },
 109         [1] = {
 110                 .start  = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
 111                 .end    = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
 112                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 113         }
 114 };
 115
 116 static struct smc91x_platdata littleton_smc91x_info = {
 117         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
 118                   SMC91X_NOWAIT | SMC91X_USE_DMA,
 119 };
 120
 121 static struct platform_device smc91x_device = {
 122         .name           = "smc91x",
 123         .id             = 0,
 124         .num_resources  = ARRAY_SIZE(smc91x_resources),
 125         .resource       = smc91x_resources,
 126         .dev            = {
 127                 .platform_data = &littleton_smc91x_info,
 128         },
 129 };
 130
 131 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 132 static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = {
 133         [0] = {
 134                 /* VGA */
 135                 .pixclock       = 38250,
 136                 .xres           = 480,
 137                 .yres           = 640,
 138                 .bpp            = 16,
 139                 .hsync_len      = 8,
 140                 .left_margin    = 8,
 141                 .right_margin   = 24,
 142                 .vsync_len      = 2,
 143                 .upper_margin   = 2,
 144                 .lower_margin   = 4,
 145                 .sync           = 0,
 146         },
 147         [1] = {
 148                 /* QVGA */
 149                 .pixclock       = 153000,
 150                 .xres           = 240,
 151                 .yres           = 320,
 152                 .bpp            = 16,
 153                 .hsync_len      = 8,
 154                 .left_margin    = 8,
 155                 .right_margin   = 88,
 156                 .vsync_len      = 2,
 157                 .upper_margin   = 2,
 158                 .lower_margin   = 2,
 159                 .sync           = 0,
 160         },
 161 };
 162
 163 static struct pxafb_mach_info littleton_lcd_info = {
 164         .modes                  = tpo_tdo24mtea1_modes,
 165         .num_modes              = 2,
 166         .lcd_conn               = LCD_COLOR_TFT_16BPP,
 167 };
 168
 169 static void littleton_init_lcd(void)
 170 {
 171         set_pxa_fb_info(&littleton_lcd_info);
 172 }
 173 #else
 174 static inline void littleton_init_lcd(void) {};
 175 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
 176
 177 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 178 static struct pxa2xx_spi_master littleton_spi_info = {
 179         .num_chipselect         = 1,
 180 };
 181
 182 static void littleton_tdo24m_cs(u32 cmd)
 183 {
 184         gpio_set_value(LITTLETON_GPIO_LCD_CS, !(cmd == PXA2XX_CS_ASSERT));
 185 }
 186
 187 static struct pxa2xx_spi_chip littleton_tdo24m_chip = {
 188         .rx_threshold   = 1,
 189         .tx_threshold   = 1,
 190         .cs_control     = littleton_tdo24m_cs,
 191 };
 192
 193 static struct spi_board_info littleton_spi_devices[] __initdata = {
 194         {
 195                 .modalias       = "tdo24m",
 196                 .max_speed_hz   = 1000000,
 197                 .bus_num        = 2,
 198                 .chip_select    = 0,
 199                 .controller_data= &littleton_tdo24m_chip,
 200         },
 201 };
 202
 203 static void __init littleton_init_spi(void)
 204 {
 205         int err;
 206
 207         err = gpio_request(LITTLETON_GPIO_LCD_CS, "LCD_CS");
 208         if (err) {
 209                 pr_warning("failed to request GPIO for LCS CS\n");
 210                 return;
 211         }
 212
 213         gpio_direction_output(LITTLETON_GPIO_LCD_CS, 1);
 214
 215         pxa2xx_set_spi_info(2, &littleton_spi_info);
 216         spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices));
 217 }
 218 #else
 219 static inline void littleton_init_spi(void) {}
 220 #endif
 221
 222 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 223 static unsigned int littleton_matrix_key_map[] = {
 224         /* KEY(row, col, key_code) */
 225         KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3),
 226         KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7),
 227         KEY(1, 2, KEY_8), KEY(2, 2, KEY_9),
 228
 229         KEY(0, 3, KEY_KPASTERISK),      /* * */
 230         KEY(2, 3, KEY_KPDOT),           /* # */
 231
 232         KEY(5, 4, KEY_ENTER),
 233
 234         KEY(5, 0, KEY_UP),
 235         KEY(5, 1, KEY_DOWN),
 236         KEY(5, 2, KEY_LEFT),
 237         KEY(5, 3, KEY_RIGHT),
 238         KEY(3, 2, KEY_HOME),
 239         KEY(4, 1, KEY_END),
 240         KEY(3, 3, KEY_BACK),
 241
 242         KEY(4, 0, KEY_SEND),
 243         KEY(4, 2, KEY_VOLUMEUP),
 244         KEY(4, 3, KEY_VOLUMEDOWN),
 245
 246         KEY(3, 0, KEY_F22),     /* soft1 */
 247         KEY(3, 1, KEY_F23),     /* soft2 */
 248 };
 249
 250 static struct pxa27x_keypad_platform_data littleton_keypad_info = {
 251         .matrix_key_rows        = 6,
 252         .matrix_key_cols        = 5,
 253         .matrix_key_map         = littleton_matrix_key_map,
 254         .matrix_key_map_size    = ARRAY_SIZE(littleton_matrix_key_map),
 255
 256         .enable_rotary0         = 1,
 257         .rotary0_up_key         = KEY_UP,
 258         .rotary0_down_key       = KEY_DOWN,
 259
 260         .debounce_interval      = 30,
 261 };
 262 static void __init littleton_init_keypad(void)
 263 {
 264         pxa_set_keypad_info(&littleton_keypad_info);
 265 }
 266 #else
 267 static inline void littleton_init_keypad(void) {}
 268 #endif
 269
 270 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
 271 static struct mtd_partition littleton_nand_partitions[] = {
 272         [0] = {
 273                 .name        = "Bootloader",
 274                 .offset      = 0,
 275                 .size        = 0x060000,
 276                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 277         },
 278         [1] = {
 279                 .name        = "Kernel",
 280                 .offset      = 0x060000,
 281                 .size        = 0x200000,
 282                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 283         },
 284         [2] = {
 285                 .name        = "Filesystem",
 286                 .offset      = 0x0260000,
 287                 .size        = 0x3000000,     /* 48M - rootfs */
 288         },
 289         [3] = {
 290                 .name        = "MassStorage",
 291                 .offset      = 0x3260000,
 292                 .size        = 0x3d40000,
 293         },
 294         [4] = {
 295                 .name        = "BBT",
 296                 .offset      = 0x6FA0000,
 297                 .size        = 0x80000,
 298                 .mask_flags  = MTD_WRITEABLE,  /* force read-only */
 299         },
 300         /* NOTE: we reserve some blocks at the end of the NAND flash for
 301          * bad block management, and the max number of relocation blocks
 302          * differs on different platforms. Please take care with it when
 303          * defining the partition table.
 304          */
 305 };
 306
 307 static struct pxa3xx_nand_platform_data littleton_nand_info = {
 308         .enable_arbiter = 1,
 309         .parts          = littleton_nand_partitions,
 310         .nr_parts       = ARRAY_SIZE(littleton_nand_partitions),
 311 };
 312
 313 static void __init littleton_init_nand(void)
 314 {
 315         pxa3xx_set_nand_info(&littleton_nand_info);
 316 }
 317 #else
 318 static inline void littleton_init_nand(void) {}
 319 #endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */
 320
 321 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
 322 static struct led_info littleton_da9034_leds[] = {
 323         [0] = {
 324                 .name   = "littleton:keypad1",
 325                 .flags  = DA9034_LED_RAMP,
 326         },
 327         [1] = {
 328                 .name   = "littleton:keypad2",
 329                 .flags  = DA9034_LED_RAMP,
 330         },
 331         [2] = {
 332                 .name   = "littleton:vibra",
 333                 .flags  = 0,
 334         },
 335 };
 336
 337 static struct da903x_subdev_info littleton_da9034_subdevs[] = {
 338         {
 339                 .name           = "da903x-led",
 340                 .id             = DA9034_ID_LED_1,
 341                 .platform_data  = &littleton_da9034_leds[0],
 342         }, {
 343                 .name           = "da903x-led",
 344                 .id             = DA9034_ID_LED_2,
 345                 .platform_data  = &littleton_da9034_leds[1],
 346         }, {
 347                 .name           = "da903x-led",
 348                 .id             = DA9034_ID_VIBRA,
 349                 .platform_data  = &littleton_da9034_leds[2],
 350         }, {
 351                 .name           = "da903x-backlight",
 352                 .id             = DA9034_ID_WLED,
 353         },
 354 };
 355
 356 static struct da903x_platform_data littleton_da9034_info = {
 357         .num_subdevs    = ARRAY_SIZE(littleton_da9034_subdevs),
 358         .subdevs        = littleton_da9034_subdevs,
 359 };
 360
 361 static struct max732x_platform_data littleton_max7320_info = {
 362         .gpio_base      = EXT0_GPIO_BASE,
 363 };
 364
 365 static struct i2c_board_info littleton_i2c_info[] = {
 366         [0] = {
 367                 .type           = "da9034",
 368                 .addr           = 0x34,
 369                 .platform_data  = &littleton_da9034_info,
 370                 .irq            = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO18)),
 371         },
 372         [1] = {
 373                 .type           = "max7320",
 374                 .addr           = 0x50,
 375                 .platform_data  = &littleton_max7320_info,
 376         },
 377 };
 378
 379 static void __init littleton_init_i2c(void)
 380 {
 381         pxa_set_i2c_info(NULL);
 382         i2c_register_board_info(0, ARRAY_AND_SIZE(littleton_i2c_info));
 383 }
 384 #else
 385 static inline void littleton_init_i2c(void) {}
 386 #endif /* CONFIG_I2C_PXA || CONFIG_I2C_PXA_MODULE */
 387
 388 static void __init littleton_init(void)
 389 {
 390         /* initialize MFP configurations */
 391         pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
 392
 393         /*
 394          * Note: we depend bootloader set the correct
 395          * value to MSC register for SMC91x.
 396          */
 397         platform_device_register(&smc91x_device);
 398
 399         littleton_init_spi();
 400         littleton_init_i2c();
 401         littleton_init_lcd();
 402         littleton_init_keypad();
 403         littleton_init_nand();
 404 }
 405
 406 MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
 407         .phys_io        = 0x40000000,
 408         .boot_params    = 0xa0000100,
 409         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 410         .map_io         = pxa_map_io,
 411         .init_irq       = pxa3xx_init_irq,
 412         .timer          = &pxa_timer,
 413         .init_machine   = littleton_init,
 414 MACHINE_END