linux/arch/arm/mach-imx/mach-pcm043.c
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   1/*
   2 *  Copyright (C) 2009 Sascha Hauer, Pengutronix
   3 *
   4 * This program is free software; you can redistribute it and/or modify
   5 * it under the terms of the GNU General Public License as published by
   6 * the Free Software Foundation; either version 2 of the License, or
   7 * (at your option) any later version.
   8 *
   9 * This program is distributed in the hope that it will be useful,
  10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 * GNU General Public License for more details.
  13 */
  14
  15#include <linux/types.h>
  16#include <linux/init.h>
  17
  18#include <linux/platform_device.h>
  19#include <linux/mtd/physmap.h>
  20#include <linux/mtd/plat-ram.h>
  21#include <linux/memory.h>
  22#include <linux/gpio.h>
  23#include <linux/smc911x.h>
  24#include <linux/interrupt.h>
  25#include <linux/delay.h>
  26#include <linux/i2c.h>
  27#include <linux/property.h>
  28#include <linux/usb/otg.h>
  29#include <linux/usb/ulpi.h>
  30
  31#include <asm/mach-types.h>
  32#include <asm/mach/arch.h>
  33#include <asm/mach/time.h>
  34#include <asm/mach/map.h>
  35
  36#include "common.h"
  37#include "devices-imx35.h"
  38#include "ehci.h"
  39#include "hardware.h"
  40#include "iomux-mx35.h"
  41#include "ulpi.h"
  42
  43static const struct fb_videomode fb_modedb[] = {
  44        {
  45                /* 240x320 @ 60 Hz */
  46                .name           = "Sharp-LQ035Q7",
  47                .refresh        = 60,
  48                .xres           = 240,
  49                .yres           = 320,
  50                .pixclock       = 185925,
  51                .left_margin    = 9,
  52                .right_margin   = 16,
  53                .upper_margin   = 7,
  54                .lower_margin   = 9,
  55                .hsync_len      = 1,
  56                .vsync_len      = 1,
  57                .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE | FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN,
  58                .vmode          = FB_VMODE_NONINTERLACED,
  59                .flag           = 0,
  60        }, {
  61                /* 240x320 @ 60 Hz */
  62                .name           = "TX090",
  63                .refresh        = 60,
  64                .xres           = 240,
  65                .yres           = 320,
  66                .pixclock       = 38255,
  67                .left_margin    = 144,
  68                .right_margin   = 0,
  69                .upper_margin   = 7,
  70                .lower_margin   = 40,
  71                .hsync_len      = 96,
  72                .vsync_len      = 1,
  73                .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
  74                .vmode          = FB_VMODE_NONINTERLACED,
  75                .flag           = 0,
  76        },
  77};
  78
  79static struct mx3fb_platform_data mx3fb_pdata __initdata = {
  80        .name           = "Sharp-LQ035Q7",
  81        .mode           = fb_modedb,
  82        .num_modes      = ARRAY_SIZE(fb_modedb),
  83};
  84
  85static struct physmap_flash_data pcm043_flash_data = {
  86        .width  = 2,
  87};
  88
  89static struct resource pcm043_flash_resource = {
  90        .start  = 0xa0000000,
  91        .end    = 0xa1ffffff,
  92        .flags  = IORESOURCE_MEM,
  93};
  94
  95static struct platform_device pcm043_flash = {
  96        .name   = "physmap-flash",
  97        .id     = 0,
  98        .dev    = {
  99                .platform_data  = &pcm043_flash_data,
 100        },
 101        .resource = &pcm043_flash_resource,
 102        .num_resources = 1,
 103};
 104
 105static const struct imxuart_platform_data uart_pdata __initconst = {
 106        .flags = IMXUART_HAVE_RTSCTS,
 107};
 108
 109static const struct imxi2c_platform_data pcm043_i2c0_data __initconst = {
 110        .bitrate = 50000,
 111};
 112
 113static const struct property_entry board_eeprom_properties[] = {
 114        PROPERTY_ENTRY_U32("pagesize", 32),
 115        { }
 116};
 117
 118static struct i2c_board_info pcm043_i2c_devices[] = {
 119        {
 120                I2C_BOARD_INFO("24c32", 0x52), /* E0=0, E1=1, E2=0 */
 121                .properties = board_eeprom_properties,
 122        }, {
 123                I2C_BOARD_INFO("pcf8563", 0x51),
 124        },
 125};
 126
 127static struct platform_device *devices[] __initdata = {
 128        &pcm043_flash,
 129};
 130
 131static const iomux_v3_cfg_t pcm043_pads[] __initconst = {
 132        /* UART1 */
 133        MX35_PAD_CTS1__UART1_CTS,
 134        MX35_PAD_RTS1__UART1_RTS,
 135        MX35_PAD_TXD1__UART1_TXD_MUX,
 136        MX35_PAD_RXD1__UART1_RXD_MUX,
 137        /* UART2 */
 138        MX35_PAD_CTS2__UART2_CTS,
 139        MX35_PAD_RTS2__UART2_RTS,
 140        MX35_PAD_TXD2__UART2_TXD_MUX,
 141        MX35_PAD_RXD2__UART2_RXD_MUX,
 142        /* FEC */
 143        MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
 144        MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
 145        MX35_PAD_FEC_RX_DV__FEC_RX_DV,
 146        MX35_PAD_FEC_COL__FEC_COL,
 147        MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
 148        MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
 149        MX35_PAD_FEC_TX_EN__FEC_TX_EN,
 150        MX35_PAD_FEC_MDC__FEC_MDC,
 151        MX35_PAD_FEC_MDIO__FEC_MDIO,
 152        MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
 153        MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
 154        MX35_PAD_FEC_CRS__FEC_CRS,
 155        MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
 156        MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
 157        MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
 158        MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
 159        MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
 160        MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
 161        /* I2C1 */
 162        MX35_PAD_I2C1_CLK__I2C1_SCL,
 163        MX35_PAD_I2C1_DAT__I2C1_SDA,
 164        /* Display */
 165        MX35_PAD_LD0__IPU_DISPB_DAT_0,
 166        MX35_PAD_LD1__IPU_DISPB_DAT_1,
 167        MX35_PAD_LD2__IPU_DISPB_DAT_2,
 168        MX35_PAD_LD3__IPU_DISPB_DAT_3,
 169        MX35_PAD_LD4__IPU_DISPB_DAT_4,
 170        MX35_PAD_LD5__IPU_DISPB_DAT_5,
 171        MX35_PAD_LD6__IPU_DISPB_DAT_6,
 172        MX35_PAD_LD7__IPU_DISPB_DAT_7,
 173        MX35_PAD_LD8__IPU_DISPB_DAT_8,
 174        MX35_PAD_LD9__IPU_DISPB_DAT_9,
 175        MX35_PAD_LD10__IPU_DISPB_DAT_10,
 176        MX35_PAD_LD11__IPU_DISPB_DAT_11,
 177        MX35_PAD_LD12__IPU_DISPB_DAT_12,
 178        MX35_PAD_LD13__IPU_DISPB_DAT_13,
 179        MX35_PAD_LD14__IPU_DISPB_DAT_14,
 180        MX35_PAD_LD15__IPU_DISPB_DAT_15,
 181        MX35_PAD_LD16__IPU_DISPB_DAT_16,
 182        MX35_PAD_LD17__IPU_DISPB_DAT_17,
 183        MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
 184        MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
 185        MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
 186        MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
 187        MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
 188        MX35_PAD_D3_REV__IPU_DISPB_D3_REV,
 189        MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS,
 190        /* gpio */
 191        MX35_PAD_ATA_CS0__GPIO2_6,
 192        /* USB host */
 193        MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
 194        MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
 195        /* SSI */
 196        MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS,
 197        MX35_PAD_STXD4__AUDMUX_AUD4_TXD,
 198        MX35_PAD_SRXD4__AUDMUX_AUD4_RXD,
 199        MX35_PAD_SCK4__AUDMUX_AUD4_TXC,
 200        /* CAN2 */
 201        MX35_PAD_TX5_RX0__CAN2_TXCAN,
 202        MX35_PAD_TX4_RX1__CAN2_RXCAN,
 203        /* esdhc */
 204        MX35_PAD_SD1_CMD__ESDHC1_CMD,
 205        MX35_PAD_SD1_CLK__ESDHC1_CLK,
 206        MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
 207        MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
 208        MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
 209        MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
 210        MX35_PAD_ATA_DATA10__GPIO2_23, /* WriteProtect */
 211        MX35_PAD_ATA_DATA11__GPIO2_24, /* CardDetect */
 212};
 213
 214#define AC97_GPIO_TXFS  IMX_GPIO_NR(2, 31)
 215#define AC97_GPIO_TXD   IMX_GPIO_NR(2, 28)
 216#define AC97_GPIO_RESET IMX_GPIO_NR(2, 0)
 217#define SD1_GPIO_WP     IMX_GPIO_NR(2, 23)
 218#define SD1_GPIO_CD     IMX_GPIO_NR(2, 24)
 219
 220static void pcm043_ac97_warm_reset(struct snd_ac97 *ac97)
 221{
 222        iomux_v3_cfg_t txfs_gpio = MX35_PAD_STXFS4__GPIO2_31;
 223        iomux_v3_cfg_t txfs = MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS;
 224        int ret;
 225
 226        ret = gpio_request(AC97_GPIO_TXFS, "SSI");
 227        if (ret) {
 228                printk("failed to get GPIO_TXFS: %d\n", ret);
 229                return;
 230        }
 231
 232        mxc_iomux_v3_setup_pad(txfs_gpio);
 233
 234        /* warm reset */
 235        gpio_direction_output(AC97_GPIO_TXFS, 1);
 236        udelay(2);
 237        gpio_set_value(AC97_GPIO_TXFS, 0);
 238
 239        gpio_free(AC97_GPIO_TXFS);
 240        mxc_iomux_v3_setup_pad(txfs);
 241}
 242
 243static void pcm043_ac97_cold_reset(struct snd_ac97 *ac97)
 244{
 245        iomux_v3_cfg_t txfs_gpio = MX35_PAD_STXFS4__GPIO2_31;
 246        iomux_v3_cfg_t txfs = MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS;
 247        iomux_v3_cfg_t txd_gpio = MX35_PAD_STXD4__GPIO2_28;
 248        iomux_v3_cfg_t txd = MX35_PAD_STXD4__AUDMUX_AUD4_TXD;
 249        iomux_v3_cfg_t reset_gpio = MX35_PAD_SD2_CMD__GPIO2_0;
 250        int ret;
 251
 252        ret = gpio_request(AC97_GPIO_TXFS, "SSI");
 253        if (ret)
 254                goto err1;
 255
 256        ret = gpio_request(AC97_GPIO_TXD, "SSI");
 257        if (ret)
 258                goto err2;
 259
 260        ret = gpio_request(AC97_GPIO_RESET, "SSI");
 261        if (ret)
 262                goto err3;
 263
 264        mxc_iomux_v3_setup_pad(txfs_gpio);
 265        mxc_iomux_v3_setup_pad(txd_gpio);
 266        mxc_iomux_v3_setup_pad(reset_gpio);
 267
 268        gpio_direction_output(AC97_GPIO_TXFS, 0);
 269        gpio_direction_output(AC97_GPIO_TXD, 0);
 270
 271        /* cold reset */
 272        gpio_direction_output(AC97_GPIO_RESET, 0);
 273        udelay(10);
 274        gpio_direction_output(AC97_GPIO_RESET, 1);
 275
 276        mxc_iomux_v3_setup_pad(txd);
 277        mxc_iomux_v3_setup_pad(txfs);
 278
 279        gpio_free(AC97_GPIO_RESET);
 280err3:
 281        gpio_free(AC97_GPIO_TXD);
 282err2:
 283        gpio_free(AC97_GPIO_TXFS);
 284err1:
 285        if (ret)
 286                printk("%s failed with %d\n", __func__, ret);
 287        mdelay(1);
 288}
 289
 290static const struct imx_ssi_platform_data pcm043_ssi_pdata __initconst = {
 291        .ac97_reset = pcm043_ac97_cold_reset,
 292        .ac97_warm_reset = pcm043_ac97_warm_reset,
 293        .flags = IMX_SSI_USE_AC97,
 294};
 295
 296static const struct mxc_nand_platform_data
 297pcm037_nand_board_info __initconst = {
 298        .width = 1,
 299        .hw_ecc = 1,
 300};
 301
 302static int pcm043_otg_init(struct platform_device *pdev)
 303{
 304        return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
 305}
 306
 307static struct mxc_usbh_platform_data otg_pdata __initdata = {
 308        .init   = pcm043_otg_init,
 309        .portsc = MXC_EHCI_MODE_UTMI,
 310};
 311
 312static int pcm043_usbh1_init(struct platform_device *pdev)
 313{
 314        return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI |
 315                        MXC_EHCI_INTERNAL_PHY | MXC_EHCI_IPPUE_DOWN);
 316}
 317
 318static const struct mxc_usbh_platform_data usbh1_pdata __initconst = {
 319        .init   = pcm043_usbh1_init,
 320        .portsc = MXC_EHCI_MODE_SERIAL,
 321};
 322
 323static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
 324        .operating_mode = FSL_USB2_DR_DEVICE,
 325        .phy_mode       = FSL_USB2_PHY_UTMI,
 326};
 327
 328static bool otg_mode_host __initdata;
 329
 330static int __init pcm043_otg_mode(char *options)
 331{
 332        if (!strcmp(options, "host"))
 333                otg_mode_host = true;
 334        else if (!strcmp(options, "device"))
 335                otg_mode_host = false;
 336        else
 337                pr_info("otg_mode neither \"host\" nor \"device\". "
 338                        "Defaulting to device\n");
 339        return 1;
 340}
 341__setup("otg_mode=", pcm043_otg_mode);
 342
 343static struct esdhc_platform_data sd1_pdata = {
 344        .wp_gpio = SD1_GPIO_WP,
 345        .cd_gpio = SD1_GPIO_CD,
 346        .wp_type = ESDHC_WP_GPIO,
 347        .cd_type = ESDHC_CD_GPIO,
 348};
 349
 350/*
 351 * Board specific initialization.
 352 */
 353static void __init pcm043_init(void)
 354{
 355        imx35_soc_init();
 356
 357        mxc_iomux_v3_setup_multiple_pads(pcm043_pads, ARRAY_SIZE(pcm043_pads));
 358
 359        imx35_add_fec(NULL);
 360        platform_add_devices(devices, ARRAY_SIZE(devices));
 361        imx35_add_imx2_wdt();
 362
 363        imx35_add_imx_uart0(&uart_pdata);
 364        imx35_add_mxc_nand(&pcm037_nand_board_info);
 365
 366        imx35_add_imx_uart1(&uart_pdata);
 367
 368        i2c_register_board_info(0, pcm043_i2c_devices,
 369                        ARRAY_SIZE(pcm043_i2c_devices));
 370
 371        imx35_add_imx_i2c0(&pcm043_i2c0_data);
 372
 373        imx35_add_ipu_core();
 374        imx35_add_mx3_sdc_fb(&mx3fb_pdata);
 375
 376        if (otg_mode_host) {
 377                otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
 378                                ULPI_OTG_DRVVBUS_EXT);
 379                if (otg_pdata.otg)
 380                        imx35_add_mxc_ehci_otg(&otg_pdata);
 381        }
 382        imx35_add_mxc_ehci_hs(&usbh1_pdata);
 383
 384        if (!otg_mode_host)
 385                imx35_add_fsl_usb2_udc(&otg_device_pdata);
 386
 387        imx35_add_flexcan1();
 388}
 389
 390static void __init pcm043_late_init(void)
 391{
 392        imx35_add_imx_ssi(0, &pcm043_ssi_pdata);
 393
 394        imx35_add_sdhci_esdhc_imx(0, &sd1_pdata);
 395}
 396
 397static void __init pcm043_timer_init(void)
 398{
 399        mx35_clocks_init();
 400}
 401
 402MACHINE_START(PCM043, "Phytec Phycore pcm043")
 403        /* Maintainer: Pengutronix */
 404        .atag_offset = 0x100,
 405        .map_io = mx35_map_io,
 406        .init_early = imx35_init_early,
 407        .init_irq = mx35_init_irq,
 408        .init_time = pcm043_timer_init,
 409        .init_machine   = pcm043_init,
 410        .init_late      = pcm043_late_init,
 411        .restart        = mxc_restart,
 412MACHINE_END
 413