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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/pxa-regs.h>
  43 #include <mach/mfp-pxa300.h>
  44 #include <mach/pxafb.h>
  45 #include <mach/ssp.h>
  46 #include <mach/pxa2xx_spi.h>
  47 #include <mach/i2c.h>
  48 #include <mach/pxa27x_keypad.h>
  49 #include <mach/pxa3xx_nand.h>
  50 #include <mach/littleton.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
 104 static struct resource smc91x_resources[] = {
 105         [0] = {
 106                 .start  = (LITTLETON_ETH_PHYS + 0x300),
 107                 .end    = (LITTLETON_ETH_PHYS + 0xfffff),
 108                 .flags  = IORESOURCE_MEM,
 109         },
 110         [1] = {
 111                 .start  = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
 112                 .end    = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
 113                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 114         }
 115 };
 116
 117 static struct smc91x_platdata littleton_smc91x_info = {
 118         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
 119                   SMC91X_NOWAIT | SMC91X_USE_DMA,
 120 };
 121
 122 static struct platform_device smc91x_device = {
 123         .name           = "smc91x",
 124         .id             = 0,
 125         .num_resources  = ARRAY_SIZE(smc91x_resources),
 126         .resource       = smc91x_resources,
 127         .dev            = {
 128                 .platform_data = &littleton_smc91x_info,
 129         },
 130 };
 131
 132 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 133 static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = {
 134         [0] = {
 135                 /* VGA */
 136                 .pixclock       = 38250,
 137                 .xres           = 480,
 138                 .yres           = 640,
 139                 .bpp            = 16,
 140                 .hsync_len      = 8,
 141                 .left_margin    = 8,
 142                 .right_margin   = 24,
 143                 .vsync_len      = 2,
 144                 .upper_margin   = 2,
 145                 .lower_margin   = 4,
 146                 .sync           = 0,
 147         },
 148         [1] = {
 149                 /* QVGA */
 150                 .pixclock       = 153000,
 151                 .xres           = 240,
 152                 .yres           = 320,
 153                 .bpp            = 16,
 154                 .hsync_len      = 8,
 155                 .left_margin    = 8,
 156                 .right_margin   = 88,
 157                 .vsync_len      = 2,
 158                 .upper_margin   = 2,
 159                 .lower_margin   = 2,
 160                 .sync           = 0,
 161         },
 162 };
 163
 164 static struct pxafb_mach_info littleton_lcd_info = {
 165         .modes                  = tpo_tdo24mtea1_modes,
 166         .num_modes              = 2,
 167         .lcd_conn               = LCD_COLOR_TFT_16BPP,
 168 };
 169
 170 static void littleton_init_lcd(void)
 171 {
 172         set_pxa_fb_info(&littleton_lcd_info);
 173 }
 174 #else
 175 static inline void littleton_init_lcd(void) {};
 176 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
 177
 178 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 179 static struct pxa2xx_spi_master littleton_spi_info = {
 180         .num_chipselect         = 1,
 181 };
 182
 183 static void littleton_tdo24m_cs(u32 cmd)
 184 {
 185         gpio_set_value(LITTLETON_GPIO_LCD_CS, !(cmd == PXA2XX_CS_ASSERT));
 186 }
 187
 188 static struct pxa2xx_spi_chip littleton_tdo24m_chip = {
 189         .rx_threshold   = 1,
 190         .tx_threshold   = 1,
 191         .cs_control     = littleton_tdo24m_cs,
 192 };
 193
 194 static struct spi_board_info littleton_spi_devices[] __initdata = {
 195         {
 196                 .modalias       = "tdo24m",
 197                 .max_speed_hz   = 1000000,
 198                 .bus_num        = 2,
 199                 .chip_select    = 0,
 200                 .controller_data= &littleton_tdo24m_chip,
 201         },
 202 };
 203
 204 static void __init littleton_init_spi(void)
 205 {
 206         int err;
 207
 208         err = gpio_request(LITTLETON_GPIO_LCD_CS, "LCD_CS");
 209         if (err) {
 210                 pr_warning("failed to request GPIO for LCS CS\n");
 211                 return;
 212         }
 213
 214         gpio_direction_output(LITTLETON_GPIO_LCD_CS, 1);
 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 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 pxa27x_keypad_platform_data littleton_keypad_info = {
 252         .matrix_key_rows        = 6,
 253         .matrix_key_cols        = 5,
 254         .matrix_key_map         = littleton_matrix_key_map,
 255         .matrix_key_map_size    = ARRAY_SIZE(littleton_matrix_key_map),
 256
 257         .enable_rotary0         = 1,
 258         .rotary0_up_key         = KEY_UP,
 259         .rotary0_down_key       = KEY_DOWN,
 260
 261         .debounce_interval      = 30,
 262 };
 263 static void __init littleton_init_keypad(void)
 264 {
 265         pxa_set_keypad_info(&littleton_keypad_info);
 266 }
 267 #else
 268 static inline void littleton_init_keypad(void) {}
 269 #endif
 270
 271 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
 272 static struct mtd_partition littleton_nand_partitions[] = {
 273         [0] = {
 274                 .name        = "Bootloader",
 275                 .offset      = 0,
 276                 .size        = 0x060000,
 277                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 278         },
 279         [1] = {
 280                 .name        = "Kernel",
 281                 .offset      = 0x060000,
 282                 .size        = 0x200000,
 283                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 284         },
 285         [2] = {
 286                 .name        = "Filesystem",
 287                 .offset      = 0x0260000,
 288                 .size        = 0x3000000,     /* 48M - rootfs */
 289         },
 290         [3] = {
 291                 .name        = "MassStorage",
 292                 .offset      = 0x3260000,
 293                 .size        = 0x3d40000,
 294         },
 295         [4] = {
 296                 .name        = "BBT",
 297                 .offset      = 0x6FA0000,
 298                 .size        = 0x80000,
 299                 .mask_flags  = MTD_WRITEABLE,  /* force read-only */
 300         },
 301         /* NOTE: we reserve some blocks at the end of the NAND flash for
 302          * bad block management, and the max number of relocation blocks
 303          * differs on different platforms. Please take care with it when
 304          * defining the partition table.
 305          */
 306 };
 307
 308 static struct pxa3xx_nand_platform_data littleton_nand_info = {
 309         .enable_arbiter = 1,
 310         .parts          = littleton_nand_partitions,
 311         .nr_parts       = ARRAY_SIZE(littleton_nand_partitions),
 312 };
 313
 314 static void __init littleton_init_nand(void)
 315 {
 316         pxa3xx_set_nand_info(&littleton_nand_info);
 317 }
 318 #else
 319 static inline void littleton_init_nand(void) {}
 320 #endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */
 321
 322 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
 323 static struct led_info littleton_da9034_leds[] = {
 324         [0] = {
 325                 .name   = "littleton:keypad1",
 326                 .flags  = DA9034_LED_RAMP,
 327         },
 328         [1] = {
 329                 .name   = "littleton:keypad2",
 330                 .flags  = DA9034_LED_RAMP,
 331         },
 332         [2] = {
 333                 .name   = "littleton:vibra",
 334                 .flags  = 0,
 335         },
 336 };
 337
 338 static struct da903x_subdev_info littleton_da9034_subdevs[] = {
 339         {
 340                 .name           = "da903x-led",
 341                 .id             = DA9034_ID_LED_1,
 342                 .platform_data  = &littleton_da9034_leds[0],
 343         }, {
 344                 .name           = "da903x-led",
 345                 .id             = DA9034_ID_LED_2,
 346                 .platform_data  = &littleton_da9034_leds[1],
 347         }, {
 348                 .name           = "da903x-led",
 349                 .id             = DA9034_ID_VIBRA,
 350                 .platform_data  = &littleton_da9034_leds[2],
 351         }, {
 352                 .name           = "da903x-backlight",
 353                 .id             = DA9034_ID_WLED,
 354         },
 355 };
 356
 357 static struct da903x_platform_data littleton_da9034_info = {
 358         .num_subdevs    = ARRAY_SIZE(littleton_da9034_subdevs),
 359         .subdevs        = littleton_da9034_subdevs,
 360 };
 361
 362 static struct max732x_platform_data littleton_max7320_info = {
 363         .gpio_base      = EXT0_GPIO_BASE,
 364 };
 365
 366 static struct i2c_board_info littleton_i2c_info[] = {
 367         [0] = {
 368                 .type           = "da9034",
 369                 .addr           = 0x34,
 370                 .platform_data  = &littleton_da9034_info,
 371                 .irq            = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO18)),
 372         },
 373         [1] = {
 374                 .type           = "max7320",
 375                 .addr           = 0x50,
 376                 .platform_data  = &littleton_max7320_info,
 377         },
 378 };
 379
 380 static void __init littleton_init_i2c(void)
 381 {
 382         pxa_set_i2c_info(NULL);
 383         i2c_register_board_info(0, ARRAY_AND_SIZE(littleton_i2c_info));
 384 }
 385 #else
 386 static inline void littleton_init_i2c(void) {}
 387 #endif /* CONFIG_I2C_PXA || CONFIG_I2C_PXA_MODULE */
 388
 389 static void __init littleton_init(void)
 390 {
 391         /* initialize MFP configurations */
 392         pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
 393
 394         /*
 395          * Note: we depend bootloader set the correct
 396          * value to MSC register for SMC91x.
 397          */
 398         platform_device_register(&smc91x_device);
 399
 400         littleton_init_spi();
 401         littleton_init_i2c();
 402         littleton_init_lcd();
 403         littleton_init_keypad();
 404         littleton_init_nand();
 405 }
 406
 407 MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
 408         .phys_io        = 0x40000000,
 409         .boot_params    = 0xa0000100,
 410         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 411         .map_io         = pxa_map_io,
 412         .init_irq       = pxa3xx_init_irq,
 413         .timer          = &pxa_timer,
 414         .init_machine   = littleton_init,
 415 MACHINE_END