linux/arch/arm/mach-pxa/cm-x300.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * linux/arch/arm/mach-pxa/cm-x300.c
   4 *
   5 * Support for the CompuLab CM-X300 modules
   6 *
   7 * Copyright (C) 2008,2009 CompuLab Ltd.
   8 *
   9 * Mike Rapoport <mike@compulab.co.il>
  10 * Igor Grinberg <grinberg@compulab.co.il>
  11 */
  12#define pr_fmt(fmt) "%s: " fmt, __func__
  13
  14#include <linux/module.h>
  15#include <linux/kernel.h>
  16#include <linux/interrupt.h>
  17#include <linux/init.h>
  18#include <linux/delay.h>
  19#include <linux/platform_device.h>
  20#include <linux/clk.h>
  21
  22#include <linux/gpio.h>
  23#include <linux/gpio/machine.h>
  24#include <linux/dm9000.h>
  25#include <linux/leds.h>
  26#include <linux/platform_data/rtc-v3020.h>
  27#include <linux/pwm.h>
  28#include <linux/pwm_backlight.h>
  29
  30#include <linux/i2c.h>
  31#include <linux/platform_data/pca953x.h>
  32#include <linux/platform_data/i2c-pxa.h>
  33
  34#include <linux/mfd/da903x.h>
  35#include <linux/regulator/machine.h>
  36#include <linux/power_supply.h>
  37#include <linux/apm-emulation.h>
  38
  39#include <linux/spi/spi.h>
  40#include <linux/spi/spi_gpio.h>
  41#include <linux/spi/tdo24m.h>
  42
  43#include <asm/mach-types.h>
  44#include <asm/mach/arch.h>
  45#include <asm/setup.h>
  46#include <asm/system_info.h>
  47
  48#include "pxa300.h"
  49#include "pxa27x-udc.h"
  50#include <linux/platform_data/video-pxafb.h>
  51#include <linux/platform_data/mmc-pxamci.h>
  52#include <linux/platform_data/usb-ohci-pxa27x.h>
  53#include <linux/platform_data/mtd-nand-pxa3xx.h>
  54#include <mach/audio.h>
  55#include <linux/platform_data/usb-pxa3xx-ulpi.h>
  56
  57#include <asm/mach/map.h>
  58
  59#include "generic.h"
  60#include "devices.h"
  61
  62#define CM_X300_ETH_PHYS        0x08000010
  63
  64#define GPIO82_MMC_IRQ          (82)
  65#define GPIO85_MMC_WP           (85)
  66
  67#define CM_X300_MMC_IRQ         PXA_GPIO_TO_IRQ(GPIO82_MMC_IRQ)
  68
  69#define GPIO95_RTC_CS           (95)
  70#define GPIO96_RTC_WR           (96)
  71#define GPIO97_RTC_RD           (97)
  72#define GPIO98_RTC_IO           (98)
  73
  74#define GPIO_ULPI_PHY_RST       (127)
  75
  76static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = {
  77        /* LCD */
  78        GPIO54_LCD_LDD_0,
  79        GPIO55_LCD_LDD_1,
  80        GPIO56_LCD_LDD_2,
  81        GPIO57_LCD_LDD_3,
  82        GPIO58_LCD_LDD_4,
  83        GPIO59_LCD_LDD_5,
  84        GPIO60_LCD_LDD_6,
  85        GPIO61_LCD_LDD_7,
  86        GPIO62_LCD_LDD_8,
  87        GPIO63_LCD_LDD_9,
  88        GPIO64_LCD_LDD_10,
  89        GPIO65_LCD_LDD_11,
  90        GPIO66_LCD_LDD_12,
  91        GPIO67_LCD_LDD_13,
  92        GPIO68_LCD_LDD_14,
  93        GPIO69_LCD_LDD_15,
  94        GPIO72_LCD_FCLK,
  95        GPIO73_LCD_LCLK,
  96        GPIO74_LCD_PCLK,
  97        GPIO75_LCD_BIAS,
  98
  99        /* BTUART */
 100        GPIO111_UART2_RTS,
 101        GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
 102        GPIO113_UART2_TXD,
 103        GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
 104
 105        /* STUART */
 106        GPIO109_UART3_TXD,
 107        GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
 108
 109        /* AC97 */
 110        GPIO23_AC97_nACRESET,
 111        GPIO24_AC97_SYSCLK,
 112        GPIO29_AC97_BITCLK,
 113        GPIO25_AC97_SDATA_IN_0,
 114        GPIO27_AC97_SDATA_OUT,
 115        GPIO28_AC97_SYNC,
 116
 117        /* Keypad */
 118        GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
 119        GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
 120        GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
 121        GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
 122        GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
 123        GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
 124        GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
 125        GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
 126        GPIO121_KP_MKOUT_0,
 127        GPIO122_KP_MKOUT_1,
 128        GPIO123_KP_MKOUT_2,
 129        GPIO124_KP_MKOUT_3,
 130        GPIO125_KP_MKOUT_4,
 131        GPIO4_2_KP_MKOUT_5,
 132
 133        /* MMC1 */
 134        GPIO3_MMC1_DAT0,
 135        GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
 136        GPIO5_MMC1_DAT2,
 137        GPIO6_MMC1_DAT3,
 138        GPIO7_MMC1_CLK,
 139        GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
 140
 141        /* MMC2 */
 142        GPIO9_MMC2_DAT0,
 143        GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
 144        GPIO11_MMC2_DAT2,
 145        GPIO12_MMC2_DAT3,
 146        GPIO13_MMC2_CLK,
 147        GPIO14_MMC2_CMD,
 148
 149        /* FFUART */
 150        GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
 151        GPIO31_UART1_TXD,
 152        GPIO32_UART1_CTS,
 153        GPIO37_UART1_RTS,
 154        GPIO33_UART1_DCD,
 155        GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
 156        GPIO35_UART1_RI,
 157        GPIO36_UART1_DTR,
 158
 159        /* GPIOs */
 160        GPIO82_GPIO | MFP_PULL_HIGH,    /* MMC CD */
 161        GPIO85_GPIO,                    /* MMC WP */
 162        GPIO99_GPIO,                    /* Ethernet IRQ */
 163
 164        /* RTC GPIOs */
 165        GPIO95_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC CS */
 166        GPIO96_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC WR */
 167        GPIO97_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC RD */
 168        GPIO98_GPIO,                            /* RTC IO */
 169
 170        /* Standard I2C */
 171        GPIO21_I2C_SCL,
 172        GPIO22_I2C_SDA,
 173
 174        /* PWM Backlight */
 175        GPIO19_PWM2_OUT,
 176};
 177
 178static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = {
 179        /* GPIOs */
 180        GPIO79_GPIO,                    /* LED */
 181        GPIO77_GPIO,                    /* WiFi reset */
 182        GPIO78_GPIO,                    /* BT reset */
 183};
 184
 185static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = {
 186        /* GPIOs */
 187        GPIO76_GPIO,                    /* LED */
 188        GPIO71_GPIO,                    /* WiFi reset */
 189        GPIO70_GPIO,                    /* BT reset */
 190};
 191
 192static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = {
 193        /* USB PORT 2 */
 194        ULPI_STP,
 195        ULPI_NXT,
 196        ULPI_DIR,
 197        GPIO30_ULPI_DATA_OUT_0,
 198        GPIO31_ULPI_DATA_OUT_1,
 199        GPIO32_ULPI_DATA_OUT_2,
 200        GPIO33_ULPI_DATA_OUT_3,
 201        GPIO34_ULPI_DATA_OUT_4,
 202        GPIO35_ULPI_DATA_OUT_5,
 203        GPIO36_ULPI_DATA_OUT_6,
 204        GPIO37_ULPI_DATA_OUT_7,
 205        GPIO38_ULPI_CLK,
 206        /* external PHY reset pin */
 207        GPIO127_GPIO,
 208
 209        /* USB PORT 3 */
 210        GPIO77_USB_P3_1,
 211        GPIO78_USB_P3_2,
 212        GPIO79_USB_P3_3,
 213        GPIO80_USB_P3_4,
 214        GPIO81_USB_P3_5,
 215        GPIO82_USB_P3_6,
 216        GPIO0_2_USBH_PEN,
 217};
 218
 219#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 220static struct resource dm9000_resources[] = {
 221        [0] = {
 222                .start  = CM_X300_ETH_PHYS,
 223                .end    = CM_X300_ETH_PHYS + 0x3,
 224                .flags  = IORESOURCE_MEM,
 225        },
 226        [1] = {
 227                .start  = CM_X300_ETH_PHYS + 0x4,
 228                .end    = CM_X300_ETH_PHYS + 0x4 + 500,
 229                .flags  = IORESOURCE_MEM,
 230        },
 231        [2] = {
 232                .start  = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)),
 233                .end    = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)),
 234                .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 235        }
 236};
 237
 238static struct dm9000_plat_data cm_x300_dm9000_platdata = {
 239        .flags          = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
 240};
 241
 242static struct platform_device dm9000_device = {
 243        .name           = "dm9000",
 244        .id             = 0,
 245        .num_resources  = ARRAY_SIZE(dm9000_resources),
 246        .resource       = dm9000_resources,
 247        .dev            = {
 248                .platform_data = &cm_x300_dm9000_platdata,
 249        }
 250
 251};
 252
 253static void __init cm_x300_init_dm9000(void)
 254{
 255        platform_device_register(&dm9000_device);
 256}
 257#else
 258static inline void cm_x300_init_dm9000(void) {}
 259#endif
 260
 261/* LCD */
 262#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 263static struct pxafb_mode_info cm_x300_lcd_modes[] = {
 264        [0] = {
 265                .pixclock       = 38250,
 266                .bpp            = 16,
 267                .xres           = 480,
 268                .yres           = 640,
 269                .hsync_len      = 8,
 270                .vsync_len      = 2,
 271                .left_margin    = 8,
 272                .upper_margin   = 2,
 273                .right_margin   = 24,
 274                .lower_margin   = 4,
 275                .cmap_greyscale = 0,
 276        },
 277        [1] = {
 278                .pixclock       = 153800,
 279                .bpp            = 16,
 280                .xres           = 240,
 281                .yres           = 320,
 282                .hsync_len      = 8,
 283                .vsync_len      = 2,
 284                .left_margin    = 8,
 285                .upper_margin   = 2,
 286                .right_margin   = 88,
 287                .lower_margin   = 2,
 288                .cmap_greyscale = 0,
 289        },
 290};
 291
 292static struct pxafb_mach_info cm_x300_lcd = {
 293        .modes                  = cm_x300_lcd_modes,
 294        .num_modes              = ARRAY_SIZE(cm_x300_lcd_modes),
 295        .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 296};
 297
 298static void __init cm_x300_init_lcd(void)
 299{
 300        pxa_set_fb_info(NULL, &cm_x300_lcd);
 301}
 302#else
 303static inline void cm_x300_init_lcd(void) {}
 304#endif
 305
 306#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
 307static struct pwm_lookup cm_x300_pwm_lookup[] = {
 308        PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.0", NULL, 10000,
 309                   PWM_POLARITY_NORMAL),
 310};
 311
 312static struct platform_pwm_backlight_data cm_x300_backlight_data = {
 313        .max_brightness = 100,
 314        .dft_brightness = 100,
 315};
 316
 317static struct platform_device cm_x300_backlight_device = {
 318        .name           = "pwm-backlight",
 319        .dev            = {
 320                .parent = &pxa27x_device_pwm0.dev,
 321                .platform_data  = &cm_x300_backlight_data,
 322        },
 323};
 324
 325static void cm_x300_init_bl(void)
 326{
 327        pwm_add_table(cm_x300_pwm_lookup, ARRAY_SIZE(cm_x300_pwm_lookup));
 328        platform_device_register(&cm_x300_backlight_device);
 329}
 330#else
 331static inline void cm_x300_init_bl(void) {}
 332#endif
 333
 334#if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
 335#define GPIO_LCD_BASE   (144)
 336#define GPIO_LCD_DIN    (GPIO_LCD_BASE + 8)     /* aux_gpio3_0 */
 337#define GPIO_LCD_DOUT   (GPIO_LCD_BASE + 9)     /* aux_gpio3_1 */
 338#define GPIO_LCD_SCL    (GPIO_LCD_BASE + 10)    /* aux_gpio3_2 */
 339#define GPIO_LCD_CS     (GPIO_LCD_BASE + 11)    /* aux_gpio3_3 */
 340#define LCD_SPI_BUS_NUM (1)
 341
 342static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
 343        .num_chipselect = 1,
 344};
 345
 346static struct platform_device cm_x300_spi_gpio = {
 347        .name           = "spi_gpio",
 348        .id             = LCD_SPI_BUS_NUM,
 349        .dev            = {
 350                .platform_data  = &cm_x300_spi_gpio_pdata,
 351        },
 352};
 353
 354static struct gpiod_lookup_table cm_x300_spi_gpiod_table = {
 355        .dev_id         = "spi_gpio",
 356        .table          = {
 357                GPIO_LOOKUP("gpio-pxa", GPIO_LCD_SCL,
 358                            "sck", GPIO_ACTIVE_HIGH),
 359                GPIO_LOOKUP("gpio-pxa", GPIO_LCD_DIN,
 360                            "mosi", GPIO_ACTIVE_HIGH),
 361                GPIO_LOOKUP("gpio-pxa", GPIO_LCD_DOUT,
 362                            "miso", GPIO_ACTIVE_HIGH),
 363                GPIO_LOOKUP("gpio-pxa", GPIO_LCD_CS,
 364                            "cs", GPIO_ACTIVE_HIGH),
 365                { },
 366        },
 367};
 368
 369static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
 370        .model = TDO35S,
 371};
 372
 373static struct spi_board_info cm_x300_spi_devices[] __initdata = {
 374        {
 375                .modalias               = "tdo24m",
 376                .max_speed_hz           = 1000000,
 377                .bus_num                = LCD_SPI_BUS_NUM,
 378                .chip_select            = 0,
 379                .platform_data          = &cm_x300_tdo24m_pdata,
 380        },
 381};
 382
 383static void __init cm_x300_init_spi(void)
 384{
 385        spi_register_board_info(cm_x300_spi_devices,
 386                                ARRAY_SIZE(cm_x300_spi_devices));
 387        gpiod_add_lookup_table(&cm_x300_spi_gpiod_table);
 388        platform_device_register(&cm_x300_spi_gpio);
 389}
 390#else
 391static inline void cm_x300_init_spi(void) {}
 392#endif
 393
 394#if defined(CONFIG_SND_PXA2XX_LIB_AC97)
 395static void __init cm_x300_init_ac97(void)
 396{
 397        pxa_set_ac97_info(NULL);
 398}
 399#else
 400static inline void cm_x300_init_ac97(void) {}
 401#endif
 402
 403#if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
 404static struct mtd_partition cm_x300_nand_partitions[] = {
 405        [0] = {
 406                .name        = "OBM",
 407                .offset      = 0,
 408                .size        = SZ_256K,
 409                .mask_flags  = MTD_WRITEABLE, /* force read-only */
 410        },
 411        [1] = {
 412                .name        = "U-Boot",
 413                .offset      = MTDPART_OFS_APPEND,
 414                .size        = SZ_256K,
 415                .mask_flags  = MTD_WRITEABLE, /* force read-only */
 416        },
 417        [2] = {
 418                .name        = "Environment",
 419                .offset      = MTDPART_OFS_APPEND,
 420                .size        = SZ_256K,
 421        },
 422        [3] = {
 423                .name        = "reserved",
 424                .offset      = MTDPART_OFS_APPEND,
 425                .size        = SZ_256K + SZ_1M,
 426                .mask_flags  = MTD_WRITEABLE, /* force read-only */
 427        },
 428        [4] = {
 429                .name        = "kernel",
 430                .offset      = MTDPART_OFS_APPEND,
 431                .size        = SZ_4M,
 432        },
 433        [5] = {
 434                .name        = "fs",
 435                .offset      = MTDPART_OFS_APPEND,
 436                .size        = MTDPART_SIZ_FULL,
 437        },
 438};
 439
 440static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
 441        .keep_config    = 1,
 442        .parts          = cm_x300_nand_partitions,
 443        .nr_parts       = ARRAY_SIZE(cm_x300_nand_partitions),
 444};
 445
 446static void __init cm_x300_init_nand(void)
 447{
 448        pxa3xx_set_nand_info(&cm_x300_nand_info);
 449}
 450#else
 451static inline void cm_x300_init_nand(void) {}
 452#endif
 453
 454#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 455static struct pxamci_platform_data cm_x300_mci_platform_data = {
 456        .detect_delay_ms        = 200,
 457        .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 458};
 459
 460static struct gpiod_lookup_table cm_x300_mci_gpio_table = {
 461        .dev_id = "pxa2xx-mci.0",
 462        .table = {
 463                /* Card detect on GPIO 82 */
 464                GPIO_LOOKUP("gpio-pxa", GPIO82_MMC_IRQ, "cd", GPIO_ACTIVE_LOW),
 465                /* Write protect on GPIO 85 */
 466                GPIO_LOOKUP("gpio-pxa", GPIO85_MMC_WP, "wp", GPIO_ACTIVE_LOW),
 467                { },
 468        },
 469};
 470
 471/* The second MMC slot of CM-X300 is hardwired to Libertas card and has
 472   no detection/ro pins */
 473static int cm_x300_mci2_init(struct device *dev,
 474                             irq_handler_t cm_x300_detect_int,
 475        void *data)
 476{
 477        return 0;
 478}
 479
 480static void cm_x300_mci2_exit(struct device *dev, void *data)
 481{
 482}
 483
 484static struct pxamci_platform_data cm_x300_mci2_platform_data = {
 485        .detect_delay_ms        = 200,
 486        .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 487        .init                   = cm_x300_mci2_init,
 488        .exit                   = cm_x300_mci2_exit,
 489};
 490
 491static void __init cm_x300_init_mmc(void)
 492{
 493        gpiod_add_lookup_table(&cm_x300_mci_gpio_table);
 494        pxa_set_mci_info(&cm_x300_mci_platform_data);
 495        pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
 496}
 497#else
 498static inline void cm_x300_init_mmc(void) {}
 499#endif
 500
 501#if defined(CONFIG_PXA310_ULPI)
 502static struct clk *pout_clk;
 503
 504static int cm_x300_ulpi_phy_reset(void)
 505{
 506        int err;
 507
 508        /* reset the PHY */
 509        err = gpio_request_one(GPIO_ULPI_PHY_RST, GPIOF_OUT_INIT_LOW,
 510                               "ulpi reset");
 511        if (err) {
 512                pr_err("failed to request ULPI reset GPIO: %d\n", err);
 513                return err;
 514        }
 515
 516        msleep(10);
 517        gpio_set_value(GPIO_ULPI_PHY_RST, 1);
 518        msleep(10);
 519
 520        gpio_free(GPIO_ULPI_PHY_RST);
 521
 522        return 0;
 523}
 524
 525static int cm_x300_u2d_init(struct device *dev)
 526{
 527        int err = 0;
 528
 529        if (cpu_is_pxa310()) {
 530                /* CLK_POUT is connected to the ULPI PHY */
 531                pout_clk = clk_get(NULL, "CLK_POUT");
 532                if (IS_ERR(pout_clk)) {
 533                        err = PTR_ERR(pout_clk);
 534                        pr_err("failed to get CLK_POUT: %d\n", err);
 535                        return err;
 536                }
 537                clk_prepare_enable(pout_clk);
 538
 539                err = cm_x300_ulpi_phy_reset();
 540                if (err) {
 541                        clk_disable(pout_clk);
 542                        clk_put(pout_clk);
 543                }
 544        }
 545
 546        return err;
 547}
 548
 549static void cm_x300_u2d_exit(struct device *dev)
 550{
 551        if (cpu_is_pxa310()) {
 552                clk_disable_unprepare(pout_clk);
 553                clk_put(pout_clk);
 554        }
 555}
 556
 557static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = {
 558        .ulpi_mode      = ULPI_SER_6PIN,
 559        .init           = cm_x300_u2d_init,
 560        .exit           = cm_x300_u2d_exit,
 561};
 562
 563static void __init cm_x300_init_u2d(void)
 564{
 565        pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
 566}
 567#else
 568static inline void cm_x300_init_u2d(void) {}
 569#endif
 570
 571#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 572static int cm_x300_ohci_init(struct device *dev)
 573{
 574        if (cpu_is_pxa300())
 575                UP2OCR = UP2OCR_HXS
 576                        | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;
 577
 578        return 0;
 579}
 580
 581static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
 582        .port_mode      = PMM_PERPORT_MODE,
 583        .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW,
 584        .init           = cm_x300_ohci_init,
 585};
 586
 587static void __init cm_x300_init_ohci(void)
 588{
 589        pxa_set_ohci_info(&cm_x300_ohci_platform_data);
 590}
 591#else
 592static inline void cm_x300_init_ohci(void) {}
 593#endif
 594
 595#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 596static struct gpio_led cm_x300_leds[] = {
 597        [0] = {
 598                .name = "cm-x300:green",
 599                .default_trigger = "heartbeat",
 600                .active_low = 1,
 601        },
 602};
 603
 604static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
 605        .num_leds = ARRAY_SIZE(cm_x300_leds),
 606        .leds = cm_x300_leds,
 607};
 608
 609static struct platform_device cm_x300_led_device = {
 610        .name           = "leds-gpio",
 611        .id             = -1,
 612        .dev            = {
 613                .platform_data = &cm_x300_gpio_led_pdata,
 614        },
 615};
 616
 617static void __init cm_x300_init_leds(void)
 618{
 619        if (system_rev < 130)
 620                cm_x300_leds[0].gpio = 79;
 621        else
 622                cm_x300_leds[0].gpio = 76;
 623
 624        platform_device_register(&cm_x300_led_device);
 625}
 626#else
 627static inline void cm_x300_init_leds(void) {}
 628#endif
 629
 630#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 631/* PCA9555 */
 632static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
 633        .gpio_base = 128,
 634};
 635
 636static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
 637        .gpio_base = 144,
 638};
 639
 640static struct i2c_board_info cm_x300_gpio_ext_info[] = {
 641        [0] = {
 642                I2C_BOARD_INFO("pca9555", 0x24),
 643                .platform_data = &cm_x300_gpio_ext_pdata_0,
 644        },
 645        [1] = {
 646                I2C_BOARD_INFO("pca9555", 0x25),
 647                .platform_data = &cm_x300_gpio_ext_pdata_1,
 648        },
 649};
 650
 651static void __init cm_x300_init_i2c(void)
 652{
 653        pxa_set_i2c_info(NULL);
 654        i2c_register_board_info(0, cm_x300_gpio_ext_info,
 655                                ARRAY_SIZE(cm_x300_gpio_ext_info));
 656}
 657#else
 658static inline void cm_x300_init_i2c(void) {}
 659#endif
 660
 661#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 662struct v3020_platform_data cm_x300_v3020_pdata = {
 663        .use_gpio       = 1,
 664        .gpio_cs        = GPIO95_RTC_CS,
 665        .gpio_wr        = GPIO96_RTC_WR,
 666        .gpio_rd        = GPIO97_RTC_RD,
 667        .gpio_io        = GPIO98_RTC_IO,
 668};
 669
 670static struct platform_device cm_x300_rtc_device = {
 671        .name           = "v3020",
 672        .id             = -1,
 673        .dev            = {
 674                .platform_data = &cm_x300_v3020_pdata,
 675        }
 676};
 677
 678static void __init cm_x300_init_rtc(void)
 679{
 680        platform_device_register(&cm_x300_rtc_device);
 681}
 682#else
 683static inline void cm_x300_init_rtc(void) {}
 684#endif
 685
 686/* Battery */
 687struct power_supply_info cm_x300_psy_info = {
 688        .name = "battery",
 689        .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
 690        .voltage_max_design = 4200000,
 691        .voltage_min_design = 3000000,
 692        .use_for_apm = 1,
 693};
 694
 695static void cm_x300_battery_low(void)
 696{
 697#if defined(CONFIG_APM_EMULATION)
 698        apm_queue_event(APM_LOW_BATTERY);
 699#endif
 700}
 701
 702static void cm_x300_battery_critical(void)
 703{
 704#if defined(CONFIG_APM_EMULATION)
 705        apm_queue_event(APM_CRITICAL_SUSPEND);
 706#endif
 707}
 708
 709struct da9030_battery_info cm_x300_battery_info = {
 710        .battery_info = &cm_x300_psy_info,
 711
 712        .charge_milliamp = 1000,
 713        .charge_millivolt = 4200,
 714
 715        .vbat_low = 3600,
 716        .vbat_crit = 3400,
 717        .vbat_charge_start = 4100,
 718        .vbat_charge_stop = 4200,
 719        .vbat_charge_restart = 4000,
 720
 721        .vcharge_min = 3200,
 722        .vcharge_max = 5500,
 723
 724        .tbat_low = 197,
 725        .tbat_high = 78,
 726        .tbat_restart = 100,
 727
 728        .batmon_interval = 0,
 729
 730        .battery_low = cm_x300_battery_low,
 731        .battery_critical = cm_x300_battery_critical,
 732};
 733
 734static struct regulator_consumer_supply buck2_consumers[] = {
 735        REGULATOR_SUPPLY("vcc_core", NULL),
 736};
 737
 738static struct regulator_init_data buck2_data = {
 739        .constraints = {
 740                .min_uV = 1375000,
 741                .max_uV = 1375000,
 742                .state_mem = {
 743                        .enabled = 0,
 744                },
 745                .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 746                .apply_uV = 1,
 747        },
 748        .num_consumer_supplies = ARRAY_SIZE(buck2_consumers),
 749        .consumer_supplies = buck2_consumers,
 750};
 751
 752/* DA9030 */
 753struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
 754        {
 755                .name = "da903x-battery",
 756                .id = DA9030_ID_BAT,
 757                .platform_data = &cm_x300_battery_info,
 758        },
 759        {
 760                .name = "da903x-regulator",
 761                .id = DA9030_ID_BUCK2,
 762                .platform_data = &buck2_data,
 763        },
 764};
 765
 766static struct da903x_platform_data cm_x300_da9030_info = {
 767        .num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
 768        .subdevs = cm_x300_da9030_subdevs,
 769};
 770
 771static struct i2c_board_info cm_x300_pmic_info = {
 772        I2C_BOARD_INFO("da9030", 0x49),
 773        .irq = IRQ_WAKEUP0,
 774        .platform_data = &cm_x300_da9030_info,
 775};
 776
 777static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
 778        .use_pio = 1,
 779};
 780
 781static void __init cm_x300_init_da9030(void)
 782{
 783        pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
 784        i2c_register_board_info(1, &cm_x300_pmic_info, 1);
 785        irq_set_irq_wake(IRQ_WAKEUP0, 1);
 786}
 787
 788/* wi2wi gpio setting for system_rev >= 130 */
 789static struct gpio cm_x300_wi2wi_gpios[] __initdata = {
 790        { 71, GPIOF_OUT_INIT_HIGH, "wlan en" },
 791        { 70, GPIOF_OUT_INIT_HIGH, "bt reset" },
 792};
 793
 794static void __init cm_x300_init_wi2wi(void)
 795{
 796        int err;
 797
 798        if (system_rev < 130) {
 799                cm_x300_wi2wi_gpios[0].gpio = 77;       /* wlan en */
 800                cm_x300_wi2wi_gpios[1].gpio = 78;       /* bt reset */
 801        }
 802
 803        /* Libertas and CSR reset */
 804        err = gpio_request_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
 805        if (err) {
 806                pr_err("failed to request wifi/bt gpios: %d\n", err);
 807                return;
 808        }
 809
 810        udelay(10);
 811        gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 0);
 812        udelay(10);
 813        gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 1);
 814
 815        gpio_free_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
 816}
 817
 818/* MFP */
 819static void __init cm_x300_init_mfp(void)
 820{
 821        /* board-processor specific GPIO initialization */
 822        pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
 823
 824        if (system_rev < 130)
 825                pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
 826        else
 827                pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
 828
 829        if (cpu_is_pxa310())
 830                pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
 831}
 832
 833static void __init cm_x300_init(void)
 834{
 835        cm_x300_init_mfp();
 836
 837        pxa_set_btuart_info(NULL);
 838        pxa_set_stuart_info(NULL);
 839        if (cpu_is_pxa300())
 840                pxa_set_ffuart_info(NULL);
 841
 842        cm_x300_init_da9030();
 843        cm_x300_init_dm9000();
 844        cm_x300_init_lcd();
 845        cm_x300_init_u2d();
 846        cm_x300_init_ohci();
 847        cm_x300_init_mmc();
 848        cm_x300_init_nand();
 849        cm_x300_init_leds();
 850        cm_x300_init_i2c();
 851        cm_x300_init_spi();
 852        cm_x300_init_rtc();
 853        cm_x300_init_ac97();
 854        cm_x300_init_wi2wi();
 855        cm_x300_init_bl();
 856
 857        regulator_has_full_constraints();
 858}
 859
 860static void __init cm_x300_fixup(struct tag *tags, char **cmdline)
 861{
 862        /* Make sure that mi->bank[0].start = PHYS_ADDR */
 863        for (; tags->hdr.size; tags = tag_next(tags))
 864                if (tags->hdr.tag == ATAG_MEM &&
 865                        tags->u.mem.start == 0x80000000) {
 866                        tags->u.mem.start = 0xa0000000;
 867                        break;
 868                }
 869}
 870
 871MACHINE_START(CM_X300, "CM-X300 module")
 872        .atag_offset    = 0x100,
 873        .map_io         = pxa3xx_map_io,
 874        .nr_irqs        = PXA_NR_IRQS,
 875        .init_irq       = pxa3xx_init_irq,
 876        .handle_irq     = pxa3xx_handle_irq,
 877        .init_time      = pxa_timer_init,
 878        .init_machine   = cm_x300_init,
 879        .fixup          = cm_x300_fixup,
 880        .restart        = pxa_restart,
 881MACHINE_END
 882