arch/arm/mach-pxa/littleton.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  *  linux/arch/arm/mach-pxa/littleton.c
   4  *
   5  *  Support for the Marvell Littleton Development Platform.
   6  *
   7  *  Author:     Jason Chagas (largely modified code)
   8  *  Created:    Nov 20, 2006
   9  *  Copyright:  (C) Copyright 2006 Marvell International Ltd.
  10  *
  11  *  2007-11-22  modified to align with latest kernel
  12  *              eric miao <eric.miao@marvell.com>
  13  */
  14
  15 #include <linux/init.h>
  16 #include <linux/interrupt.h>
  17 #include <linux/delay.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/clk.h>
  20 #include <linux/gpio/machine.h>
  21 #include <linux/spi/spi.h>
  22 #include <linux/spi/pxa2xx_spi.h>
  23 #include <linux/smc91x.h>
  24 #include <linux/i2c.h>
  25 #include <linux/leds.h>
  26 #include <linux/mfd/da903x.h>
  27 #include <linux/platform_data/max732x.h>
  28 #include <linux/platform_data/i2c-pxa.h>
  29
  30 #include <asm/types.h>
  31 #include <asm/setup.h>
  32 #include <asm/memory.h>
  33 #include <asm/mach-types.h>
  34 #include <asm/irq.h>
  35
  36 #include <asm/mach/arch.h>
  37 #include <asm/mach/map.h>
  38 #include <asm/mach/irq.h>
  39
  40 #include "pxa300.h"
  41 #include "devices.h"
  42 #include <linux/platform_data/video-pxafb.h>
  43 #include <linux/platform_data/mmc-pxamci.h>
  44 #include <linux/platform_data/keypad-pxa27x.h>
  45 #include "littleton.h"
  46 #include <linux/platform_data/mtd-nand-pxa3xx.h>
  47
  48 #include "generic.h"
  49
  50 /* Littleton MFP configurations */
  51 static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
  52         /* LCD */
  53         GPIO54_LCD_LDD_0,
  54         GPIO55_LCD_LDD_1,
  55         GPIO56_LCD_LDD_2,
  56         GPIO57_LCD_LDD_3,
  57         GPIO58_LCD_LDD_4,
  58         GPIO59_LCD_LDD_5,
  59         GPIO60_LCD_LDD_6,
  60         GPIO61_LCD_LDD_7,
  61         GPIO62_LCD_LDD_8,
  62         GPIO63_LCD_LDD_9,
  63         GPIO64_LCD_LDD_10,
  64         GPIO65_LCD_LDD_11,
  65         GPIO66_LCD_LDD_12,
  66         GPIO67_LCD_LDD_13,
  67         GPIO68_LCD_LDD_14,
  68         GPIO69_LCD_LDD_15,
  69         GPIO70_LCD_LDD_16,
  70         GPIO71_LCD_LDD_17,
  71         GPIO72_LCD_FCLK,
  72         GPIO73_LCD_LCLK,
  73         GPIO74_LCD_PCLK,
  74         GPIO75_LCD_BIAS,
  75
  76         /* SSP2 */
  77         GPIO25_SSP2_SCLK,
  78         GPIO27_SSP2_TXD,
  79         GPIO17_GPIO,    /* SFRM as chip-select */
  80
  81         /* Debug Ethernet */
  82         GPIO90_GPIO,
  83
  84         /* Keypad */
  85         GPIO107_KP_DKIN_0,
  86         GPIO108_KP_DKIN_1,
  87         GPIO115_KP_MKIN_0,
  88         GPIO116_KP_MKIN_1,
  89         GPIO117_KP_MKIN_2,
  90         GPIO118_KP_MKIN_3,
  91         GPIO119_KP_MKIN_4,
  92         GPIO120_KP_MKIN_5,
  93         GPIO121_KP_MKOUT_0,
  94         GPIO122_KP_MKOUT_1,
  95         GPIO123_KP_MKOUT_2,
  96         GPIO124_KP_MKOUT_3,
  97         GPIO125_KP_MKOUT_4,
  98
  99         /* MMC1 */
 100         GPIO3_MMC1_DAT0,
 101         GPIO4_MMC1_DAT1,
 102         GPIO5_MMC1_DAT2,
 103         GPIO6_MMC1_DAT3,
 104         GPIO7_MMC1_CLK,
 105         GPIO8_MMC1_CMD,
 106         GPIO15_GPIO, /* card detect */
 107
 108         /* UART3 */
 109         GPIO107_UART3_CTS,
 110         GPIO108_UART3_RTS,
 111         GPIO109_UART3_TXD,
 112         GPIO110_UART3_RXD,
 113 };
 114
 115 static struct resource smc91x_resources[] = {
 116         [0] = {
 117                 .start  = (LITTLETON_ETH_PHYS + 0x300),
 118                 .end    = (LITTLETON_ETH_PHYS + 0xfffff),
 119                 .flags  = IORESOURCE_MEM,
 120         },
 121         [1] = {
 122                 .start  = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO90)),
 123                 .end    = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO90)),
 124                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 125         }
 126 };
 127
 128 static struct smc91x_platdata littleton_smc91x_info = {
 129         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
 130                   SMC91X_NOWAIT | SMC91X_USE_DMA,
 131 };
 132
 133 static struct platform_device smc91x_device = {
 134         .name           = "smc91x",
 135         .id             = 0,
 136         .num_resources  = ARRAY_SIZE(smc91x_resources),
 137         .resource       = smc91x_resources,
 138         .dev            = {
 139                 .platform_data = &littleton_smc91x_info,
 140         },
 141 };
 142
 143 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 144 static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = {
 145         [0] = {
 146                 /* VGA */
 147                 .pixclock       = 38250,
 148                 .xres           = 480,
 149                 .yres           = 640,
 150                 .bpp            = 16,
 151                 .hsync_len      = 8,
 152                 .left_margin    = 8,
 153                 .right_margin   = 24,
 154                 .vsync_len      = 2,
 155                 .upper_margin   = 2,
 156                 .lower_margin   = 4,
 157                 .sync           = 0,
 158         },
 159         [1] = {
 160                 /* QVGA */
 161                 .pixclock       = 153000,
 162                 .xres           = 240,
 163                 .yres           = 320,
 164                 .bpp            = 16,
 165                 .hsync_len      = 8,
 166                 .left_margin    = 8,
 167                 .right_margin   = 88,
 168                 .vsync_len      = 2,
 169                 .upper_margin   = 2,
 170                 .lower_margin   = 2,
 171                 .sync           = 0,
 172         },
 173 };
 174
 175 static struct pxafb_mach_info littleton_lcd_info = {
 176         .modes                  = tpo_tdo24mtea1_modes,
 177         .num_modes              = 2,
 178         .lcd_conn               = LCD_COLOR_TFT_16BPP,
 179 };
 180
 181 static void __init littleton_init_lcd(void)
 182 {
 183         pxa_set_fb_info(NULL, &littleton_lcd_info);
 184 }
 185 #else
 186 static inline void littleton_init_lcd(void) {};
 187 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
 188
 189 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 190 static struct pxa2xx_spi_controller littleton_spi_info = {
 191         .num_chipselect         = 1,
 192 };
 193
 194 static struct pxa2xx_spi_chip littleton_tdo24m_chip = {
 195         .rx_threshold   = 1,
 196         .tx_threshold   = 1,
 197 };
 198
 199 static struct spi_board_info littleton_spi_devices[] __initdata = {
 200         {
 201                 .modalias       = "tdo24m",
 202                 .max_speed_hz   = 1000000,
 203                 .bus_num        = 2,
 204                 .chip_select    = 0,
 205                 .controller_data= &littleton_tdo24m_chip,
 206         },
 207 };
 208
 209 static struct gpiod_lookup_table littleton_spi_gpio_table = {
 210         .dev_id = "spi2",
 211         .table = {
 212                 GPIO_LOOKUP_IDX("gpio-pxa", LITTLETON_GPIO_LCD_CS, "cs", 0, GPIO_ACTIVE_LOW),
 213                 { },
 214         },
 215 };
 216
 217 static void __init littleton_init_spi(void)
 218 {
 219         gpiod_add_lookup_table(&littleton_spi_gpio_table);
 220         pxa2xx_set_spi_info(2, &littleton_spi_info);
 221         spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices));
 222 }
 223 #else
 224 static inline void littleton_init_spi(void) {}
 225 #endif
 226
 227 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 228 static const unsigned int littleton_matrix_key_map[] = {
 229         /* KEY(row, col, key_code) */
 230         KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3),
 231         KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7),
 232         KEY(1, 2, KEY_8), KEY(2, 2, KEY_9),
 233
 234         KEY(0, 3, KEY_KPASTERISK),      /* * */
 235         KEY(2, 3, KEY_KPDOT),           /* # */
 236
 237         KEY(5, 4, KEY_ENTER),
 238
 239         KEY(5, 0, KEY_UP),
 240         KEY(5, 1, KEY_DOWN),
 241         KEY(5, 2, KEY_LEFT),
 242         KEY(5, 3, KEY_RIGHT),
 243         KEY(3, 2, KEY_HOME),
 244         KEY(4, 1, KEY_END),
 245         KEY(3, 3, KEY_BACK),
 246
 247         KEY(4, 0, KEY_SEND),
 248         KEY(4, 2, KEY_VOLUMEUP),
 249         KEY(4, 3, KEY_VOLUMEDOWN),
 250
 251         KEY(3, 0, KEY_F22),     /* soft1 */
 252         KEY(3, 1, KEY_F23),     /* soft2 */
 253 };
 254
 255 static struct matrix_keymap_data littleton_matrix_keymap_data = {
 256         .keymap                 = littleton_matrix_key_map,
 257         .keymap_size            = ARRAY_SIZE(littleton_matrix_key_map),
 258 };
 259
 260 static struct pxa27x_keypad_platform_data littleton_keypad_info = {
 261         .matrix_key_rows        = 6,
 262         .matrix_key_cols        = 5,
 263         .matrix_keymap_data     = &littleton_matrix_keymap_data,
 264
 265         .enable_rotary0         = 1,
 266         .rotary0_up_key         = KEY_UP,
 267         .rotary0_down_key       = KEY_DOWN,
 268
 269         .debounce_interval      = 30,
 270 };
 271 static void __init littleton_init_keypad(void)
 272 {
 273         pxa_set_keypad_info(&littleton_keypad_info);
 274 }
 275 #else
 276 static inline void littleton_init_keypad(void) {}
 277 #endif
 278
 279 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 280 static struct pxamci_platform_data littleton_mci_platform_data = {
 281         .detect_delay_ms        = 200,
 282         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 283 };
 284
 285 static struct gpiod_lookup_table littleton_mci_gpio_table = {
 286         .dev_id = "pxa2xx-mci.0",
 287         .table = {
 288                 /* Card detect on MFP (gpio-pxa) GPIO 15 */
 289                 GPIO_LOOKUP("gpio-pxa", MFP_PIN_GPIO15,
 290                             "cd", GPIO_ACTIVE_LOW),
 291                 { },
 292         },
 293 };
 294
 295 static void __init littleton_init_mmc(void)
 296 {
 297         gpiod_add_lookup_table(&littleton_mci_gpio_table);
 298         pxa_set_mci_info(&littleton_mci_platform_data);
 299 }
 300 #else
 301 static inline void littleton_init_mmc(void) {}
 302 #endif
 303
 304 #if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
 305 static struct mtd_partition littleton_nand_partitions[] = {
 306         [0] = {
 307                 .name        = "Bootloader",
 308                 .offset      = 0,
 309                 .size        = 0x060000,
 310                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 311         },
 312         [1] = {
 313                 .name        = "Kernel",
 314                 .offset      = 0x060000,
 315                 .size        = 0x200000,
 316                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 317         },
 318         [2] = {
 319                 .name        = "Filesystem",
 320                 .offset      = 0x0260000,
 321                 .size        = 0x3000000,     /* 48M - rootfs */
 322         },
 323         [3] = {
 324                 .name        = "MassStorage",
 325                 .offset      = 0x3260000,
 326                 .size        = 0x3d40000,
 327         },
 328         [4] = {
 329                 .name        = "BBT",
 330                 .offset      = 0x6FA0000,
 331                 .size        = 0x80000,
 332                 .mask_flags  = MTD_WRITEABLE,  /* force read-only */
 333         },
 334         /* NOTE: we reserve some blocks at the end of the NAND flash for
 335          * bad block management, and the max number of relocation blocks
 336          * differs on different platforms. Please take care with it when
 337          * defining the partition table.
 338          */
 339 };
 340
 341 static struct pxa3xx_nand_platform_data littleton_nand_info = {
 342         .parts          = littleton_nand_partitions,
 343         .nr_parts       = ARRAY_SIZE(littleton_nand_partitions),
 344 };
 345
 346 static void __init littleton_init_nand(void)
 347 {
 348         pxa3xx_set_nand_info(&littleton_nand_info);
 349 }
 350 #else
 351 static inline void littleton_init_nand(void) {}
 352 #endif /* IS_ENABLED(CONFIG_MTD_NAND_MARVELL) */
 353
 354 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
 355 static struct led_info littleton_da9034_leds[] = {
 356         [0] = {
 357                 .name   = "littleton:keypad1",
 358                 .flags  = DA9034_LED_RAMP,
 359         },
 360         [1] = {
 361                 .name   = "littleton:keypad2",
 362                 .flags  = DA9034_LED_RAMP,
 363         },
 364         [2] = {
 365                 .name   = "littleton:vibra",
 366                 .flags  = 0,
 367         },
 368 };
 369
 370 static struct da9034_touch_pdata littleton_da9034_touch = {
 371         .x_inverted     = 1,
 372         .interval_ms    = 20,
 373 };
 374
 375 static struct da903x_subdev_info littleton_da9034_subdevs[] = {
 376         {
 377                 .name           = "da903x-led",
 378                 .id             = DA9034_ID_LED_1,
 379                 .platform_data  = &littleton_da9034_leds[0],
 380         }, {
 381                 .name           = "da903x-led",
 382                 .id             = DA9034_ID_LED_2,
 383                 .platform_data  = &littleton_da9034_leds[1],
 384         }, {
 385                 .name           = "da903x-led",
 386                 .id             = DA9034_ID_VIBRA,
 387                 .platform_data  = &littleton_da9034_leds[2],
 388         }, {
 389                 .name           = "da903x-backlight",
 390                 .id             = DA9034_ID_WLED,
 391         }, {
 392                 .name           = "da9034-touch",
 393                 .id             = DA9034_ID_TOUCH,
 394                 .platform_data  = &littleton_da9034_touch,
 395         },
 396 };
 397
 398 static struct da903x_platform_data littleton_da9034_info = {
 399         .num_subdevs    = ARRAY_SIZE(littleton_da9034_subdevs),
 400         .subdevs        = littleton_da9034_subdevs,
 401 };
 402
 403 static struct max732x_platform_data littleton_max7320_info = {
 404         .gpio_base      = EXT0_GPIO_BASE,
 405 };
 406
 407 static struct i2c_board_info littleton_i2c_info[] = {
 408         [0] = {
 409                 .type           = "da9034",
 410                 .addr           = 0x34,
 411                 .platform_data  = &littleton_da9034_info,
 412                 .irq            = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO18)),
 413         },
 414         [1] = {
 415                 .type           = "max7320",
 416                 .addr           = 0x50,
 417                 .platform_data  = &littleton_max7320_info,
 418         },
 419 };
 420
 421 static void __init littleton_init_i2c(void)
 422 {
 423         pxa_set_i2c_info(NULL);
 424         i2c_register_board_info(0, ARRAY_AND_SIZE(littleton_i2c_info));
 425 }
 426 #else
 427 static inline void littleton_init_i2c(void) {}
 428 #endif /* CONFIG_I2C_PXA || CONFIG_I2C_PXA_MODULE */
 429
 430 static void __init littleton_init(void)
 431 {
 432         /* initialize MFP configurations */
 433         pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
 434
 435         pxa_set_ffuart_info(NULL);
 436         pxa_set_btuart_info(NULL);
 437         pxa_set_stuart_info(NULL);
 438
 439         /*
 440          * Note: we depend bootloader set the correct
 441          * value to MSC register for SMC91x.
 442          */
 443         platform_device_register(&smc91x_device);
 444
 445         littleton_init_spi();
 446         littleton_init_i2c();
 447         littleton_init_mmc();
 448         littleton_init_lcd();
 449         littleton_init_keypad();
 450         littleton_init_nand();
 451 }
 452
 453 MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
 454         .atag_offset    = 0x100,
 455         .map_io         = pxa3xx_map_io,
 456         .nr_irqs        = LITTLETON_NR_IRQS,
 457         .init_irq       = pxa3xx_init_irq,
 458         .handle_irq     = pxa3xx_handle_irq,
 459         .init_time      = pxa_timer_init,
 460         .init_machine   = littleton_init,
 461         .restart        = pxa_restart,
 462 MACHINE_END