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