linux/arch/arm/mach-imx/mach-pcm043.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 *  Copyright (C) 2009 Sascha Hauer, Pengutronix
   4 */
   5
   6#include <linux/types.h>
   7#include <linux/init.h>
   8
   9#include <linux/platform_device.h>
  10#include <linux/mtd/physmap.h>
  11#include <linux/mtd/plat-ram.h>
  12#include <linux/memory.h>
  13#include <linux/gpio.h>
  14#include <linux/gpio/machine.h>
  15#include <linux/smc911x.h>
  16#include <linux/interrupt.h>
  17#include <linux/delay.h>
  18#include <linux/i2c.h>
  19#include <linux/property.h>
  20#include <linux/usb/otg.h>
  21#include <linux/usb/ulpi.h>
  22
  23#include <asm/mach-types.h>
  24#include <asm/mach/arch.h>
  25#include <asm/mach/time.h>
  26#include <asm/mach/map.h>
  27
  28#include "common.h"
  29#include "devices-imx35.h"
  30#include "ehci.h"
  31#include "hardware.h"
  32#include "iomux-mx35.h"
  33#include "ulpi.h"
  34
  35static const struct fb_videomode fb_modedb[] = {
  36        {
  37                /* 240x320 @ 60 Hz */
  38                .name           = "Sharp-LQ035Q7",
  39                .refresh        = 60,
  40                .xres           = 240,
  41                .yres           = 320,
  42                .pixclock       = 185925,
  43                .left_margin    = 9,
  44                .right_margin   = 16,
  45                .upper_margin   = 7,
  46                .lower_margin   = 9,
  47                .hsync_len      = 1,
  48                .vsync_len      = 1,
  49                .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE | FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN,
  50                .vmode          = FB_VMODE_NONINTERLACED,
  51                .flag           = 0,
  52        }, {
  53                /* 240x320 @ 60 Hz */
  54                .name           = "TX090",
  55                .refresh        = 60,
  56                .xres           = 240,
  57                .yres           = 320,
  58                .pixclock       = 38255,
  59                .left_margin    = 144,
  60                .right_margin   = 0,
  61                .upper_margin   = 7,
  62                .lower_margin   = 40,
  63                .hsync_len      = 96,
  64                .vsync_len      = 1,
  65                .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
  66                .vmode          = FB_VMODE_NONINTERLACED,
  67                .flag           = 0,
  68        },
  69};
  70
  71static struct mx3fb_platform_data mx3fb_pdata __initdata = {
  72        .name           = "Sharp-LQ035Q7",
  73        .mode           = fb_modedb,
  74        .num_modes      = ARRAY_SIZE(fb_modedb),
  75};
  76
  77static struct physmap_flash_data pcm043_flash_data = {
  78        .width  = 2,
  79};
  80
  81static struct resource pcm043_flash_resource = {
  82        .start  = 0xa0000000,
  83        .end    = 0xa1ffffff,
  84        .flags  = IORESOURCE_MEM,
  85};
  86
  87static struct platform_device pcm043_flash = {
  88        .name   = "physmap-flash",
  89        .id     = 0,
  90        .dev    = {
  91                .platform_data  = &pcm043_flash_data,
  92        },
  93        .resource = &pcm043_flash_resource,
  94        .num_resources = 1,
  95};
  96
  97static const struct imxuart_platform_data uart_pdata __initconst = {
  98        .flags = IMXUART_HAVE_RTSCTS,
  99};
 100
 101static const struct imxi2c_platform_data pcm043_i2c0_data __initconst = {
 102        .bitrate = 50000,
 103};
 104
 105static const struct property_entry board_eeprom_properties[] = {
 106        PROPERTY_ENTRY_U32("pagesize", 32),
 107        { }
 108};
 109
 110static struct i2c_board_info pcm043_i2c_devices[] = {
 111        {
 112                I2C_BOARD_INFO("24c32", 0x52), /* E0=0, E1=1, E2=0 */
 113                .properties = board_eeprom_properties,
 114        }, {
 115                I2C_BOARD_INFO("pcf8563", 0x51),
 116        },
 117};
 118
 119static struct platform_device *devices[] __initdata = {
 120        &pcm043_flash,
 121};
 122
 123static const iomux_v3_cfg_t pcm043_pads[] __initconst = {
 124        /* UART1 */
 125        MX35_PAD_CTS1__UART1_CTS,
 126        MX35_PAD_RTS1__UART1_RTS,
 127        MX35_PAD_TXD1__UART1_TXD_MUX,
 128        MX35_PAD_RXD1__UART1_RXD_MUX,
 129        /* UART2 */
 130        MX35_PAD_CTS2__UART2_CTS,
 131        MX35_PAD_RTS2__UART2_RTS,
 132        MX35_PAD_TXD2__UART2_TXD_MUX,
 133        MX35_PAD_RXD2__UART2_RXD_MUX,
 134        /* FEC */
 135        MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
 136        MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
 137        MX35_PAD_FEC_RX_DV__FEC_RX_DV,
 138        MX35_PAD_FEC_COL__FEC_COL,
 139        MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
 140        MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
 141        MX35_PAD_FEC_TX_EN__FEC_TX_EN,
 142        MX35_PAD_FEC_MDC__FEC_MDC,
 143        MX35_PAD_FEC_MDIO__FEC_MDIO,
 144        MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
 145        MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
 146        MX35_PAD_FEC_CRS__FEC_CRS,
 147        MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
 148        MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
 149        MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
 150        MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
 151        MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
 152        MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
 153        /* I2C1 */
 154        MX35_PAD_I2C1_CLK__I2C1_SCL,
 155        MX35_PAD_I2C1_DAT__I2C1_SDA,
 156        /* Display */
 157        MX35_PAD_LD0__IPU_DISPB_DAT_0,
 158        MX35_PAD_LD1__IPU_DISPB_DAT_1,
 159        MX35_PAD_LD2__IPU_DISPB_DAT_2,
 160        MX35_PAD_LD3__IPU_DISPB_DAT_3,
 161        MX35_PAD_LD4__IPU_DISPB_DAT_4,
 162        MX35_PAD_LD5__IPU_DISPB_DAT_5,
 163        MX35_PAD_LD6__IPU_DISPB_DAT_6,
 164        MX35_PAD_LD7__IPU_DISPB_DAT_7,
 165        MX35_PAD_LD8__IPU_DISPB_DAT_8,
 166        MX35_PAD_LD9__IPU_DISPB_DAT_9,
 167        MX35_PAD_LD10__IPU_DISPB_DAT_10,
 168        MX35_PAD_LD11__IPU_DISPB_DAT_11,
 169        MX35_PAD_LD12__IPU_DISPB_DAT_12,
 170        MX35_PAD_LD13__IPU_DISPB_DAT_13,
 171        MX35_PAD_LD14__IPU_DISPB_DAT_14,
 172        MX35_PAD_LD15__IPU_DISPB_DAT_15,
 173        MX35_PAD_LD16__IPU_DISPB_DAT_16,
 174        MX35_PAD_LD17__IPU_DISPB_DAT_17,
 175        MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
 176        MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
 177        MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
 178        MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
 179        MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
 180        MX35_PAD_D3_REV__IPU_DISPB_D3_REV,
 181        MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS,
 182        /* gpio */
 183        MX35_PAD_ATA_CS0__GPIO2_6,
 184        /* USB host */
 185        MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
 186        MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
 187        /* SSI */
 188        MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS,
 189        MX35_PAD_STXD4__AUDMUX_AUD4_TXD,
 190        MX35_PAD_SRXD4__AUDMUX_AUD4_RXD,
 191        MX35_PAD_SCK4__AUDMUX_AUD4_TXC,
 192        /* CAN2 */
 193        MX35_PAD_TX5_RX0__CAN2_TXCAN,
 194        MX35_PAD_TX4_RX1__CAN2_RXCAN,
 195        /* esdhc */
 196        MX35_PAD_SD1_CMD__ESDHC1_CMD,
 197        MX35_PAD_SD1_CLK__ESDHC1_CLK,
 198        MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
 199        MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
 200        MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
 201        MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
 202        MX35_PAD_ATA_DATA10__GPIO2_23, /* WriteProtect */
 203        MX35_PAD_ATA_DATA11__GPIO2_24, /* CardDetect */
 204};
 205
 206#define AC97_GPIO_TXFS  IMX_GPIO_NR(2, 31)
 207#define AC97_GPIO_TXD   IMX_GPIO_NR(2, 28)
 208#define AC97_GPIO_RESET IMX_GPIO_NR(2, 0)
 209
 210static void pcm043_ac97_warm_reset(struct snd_ac97 *ac97)
 211{
 212        iomux_v3_cfg_t txfs_gpio = MX35_PAD_STXFS4__GPIO2_31;
 213        iomux_v3_cfg_t txfs = MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS;
 214        int ret;
 215
 216        ret = gpio_request(AC97_GPIO_TXFS, "SSI");
 217        if (ret) {
 218                printk("failed to get GPIO_TXFS: %d\n", ret);
 219                return;
 220        }
 221
 222        mxc_iomux_v3_setup_pad(txfs_gpio);
 223
 224        /* warm reset */
 225        gpio_direction_output(AC97_GPIO_TXFS, 1);
 226        udelay(2);
 227        gpio_set_value(AC97_GPIO_TXFS, 0);
 228
 229        gpio_free(AC97_GPIO_TXFS);
 230        mxc_iomux_v3_setup_pad(txfs);
 231}
 232
 233static void pcm043_ac97_cold_reset(struct snd_ac97 *ac97)
 234{
 235        iomux_v3_cfg_t txfs_gpio = MX35_PAD_STXFS4__GPIO2_31;
 236        iomux_v3_cfg_t txfs = MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS;
 237        iomux_v3_cfg_t txd_gpio = MX35_PAD_STXD4__GPIO2_28;
 238        iomux_v3_cfg_t txd = MX35_PAD_STXD4__AUDMUX_AUD4_TXD;
 239        iomux_v3_cfg_t reset_gpio = MX35_PAD_SD2_CMD__GPIO2_0;
 240        int ret;
 241
 242        ret = gpio_request(AC97_GPIO_TXFS, "SSI");
 243        if (ret)
 244                goto err1;
 245
 246        ret = gpio_request(AC97_GPIO_TXD, "SSI");
 247        if (ret)
 248                goto err2;
 249
 250        ret = gpio_request(AC97_GPIO_RESET, "SSI");
 251        if (ret)
 252                goto err3;
 253
 254        mxc_iomux_v3_setup_pad(txfs_gpio);
 255        mxc_iomux_v3_setup_pad(txd_gpio);
 256        mxc_iomux_v3_setup_pad(reset_gpio);
 257
 258        gpio_direction_output(AC97_GPIO_TXFS, 0);
 259        gpio_direction_output(AC97_GPIO_TXD, 0);
 260
 261        /* cold reset */
 262        gpio_direction_output(AC97_GPIO_RESET, 0);
 263        udelay(10);
 264        gpio_direction_output(AC97_GPIO_RESET, 1);
 265
 266        mxc_iomux_v3_setup_pad(txd);
 267        mxc_iomux_v3_setup_pad(txfs);
 268
 269        gpio_free(AC97_GPIO_RESET);
 270err3:
 271        gpio_free(AC97_GPIO_TXD);
 272err2:
 273        gpio_free(AC97_GPIO_TXFS);
 274err1:
 275        if (ret)
 276                printk("%s failed with %d\n", __func__, ret);
 277        mdelay(1);
 278}
 279
 280static const struct imx_ssi_platform_data pcm043_ssi_pdata __initconst = {
 281        .ac97_reset = pcm043_ac97_cold_reset,
 282        .ac97_warm_reset = pcm043_ac97_warm_reset,
 283        .flags = IMX_SSI_USE_AC97,
 284};
 285
 286static const struct mxc_nand_platform_data
 287pcm037_nand_board_info __initconst = {
 288        .width = 1,
 289        .hw_ecc = 1,
 290};
 291
 292static int pcm043_otg_init(struct platform_device *pdev)
 293{
 294        return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
 295}
 296
 297static struct mxc_usbh_platform_data otg_pdata __initdata = {
 298        .init   = pcm043_otg_init,
 299        .portsc = MXC_EHCI_MODE_UTMI,
 300};
 301
 302static int pcm043_usbh1_init(struct platform_device *pdev)
 303{
 304        return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI |
 305                        MXC_EHCI_INTERNAL_PHY | MXC_EHCI_IPPUE_DOWN);
 306}
 307
 308static const struct mxc_usbh_platform_data usbh1_pdata __initconst = {
 309        .init   = pcm043_usbh1_init,
 310        .portsc = MXC_EHCI_MODE_SERIAL,
 311};
 312
 313static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
 314        .operating_mode = FSL_USB2_DR_DEVICE,
 315        .phy_mode       = FSL_USB2_PHY_UTMI,
 316};
 317
 318static bool otg_mode_host __initdata;
 319
 320static int __init pcm043_otg_mode(char *options)
 321{
 322        if (!strcmp(options, "host"))
 323                otg_mode_host = true;
 324        else if (!strcmp(options, "device"))
 325                otg_mode_host = false;
 326        else
 327                pr_info("otg_mode neither \"host\" nor \"device\". "
 328                        "Defaulting to device\n");
 329        return 1;
 330}
 331__setup("otg_mode=", pcm043_otg_mode);
 332
 333static struct esdhc_platform_data sd1_pdata = {
 334        .wp_type = ESDHC_WP_GPIO,
 335        .cd_type = ESDHC_CD_GPIO,
 336};
 337
 338static struct gpiod_lookup_table sd1_gpio_table = {
 339        .dev_id = "sdhci-esdhc-imx35.0",
 340        .table = {
 341                /* Card detect: bank 2 offset 24 */
 342                GPIO_LOOKUP("imx35-gpio.2", 24, "cd", GPIO_ACTIVE_LOW),
 343                /* Write protect: bank 2 offset 23 */
 344                GPIO_LOOKUP("imx35-gpio.2", 23, "wp", GPIO_ACTIVE_LOW),
 345                { },
 346        },
 347};
 348
 349/*
 350 * Board specific initialization.
 351 */
 352static void __init pcm043_init(void)
 353{
 354        imx35_soc_init();
 355
 356        mxc_iomux_v3_setup_multiple_pads(pcm043_pads, ARRAY_SIZE(pcm043_pads));
 357
 358        imx35_add_fec(NULL);
 359        platform_add_devices(devices, ARRAY_SIZE(devices));
 360        imx35_add_imx2_wdt();
 361
 362        imx35_add_imx_uart0(&uart_pdata);
 363        imx35_add_mxc_nand(&pcm037_nand_board_info);
 364
 365        imx35_add_imx_uart1(&uart_pdata);
 366
 367        i2c_register_board_info(0, pcm043_i2c_devices,
 368                        ARRAY_SIZE(pcm043_i2c_devices));
 369
 370        imx35_add_imx_i2c0(&pcm043_i2c0_data);
 371
 372        imx35_add_ipu_core();
 373        imx35_add_mx3_sdc_fb(&mx3fb_pdata);
 374
 375        if (otg_mode_host) {
 376                otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
 377                                ULPI_OTG_DRVVBUS_EXT);
 378                if (otg_pdata.otg)
 379                        imx35_add_mxc_ehci_otg(&otg_pdata);
 380        }
 381        imx35_add_mxc_ehci_hs(&usbh1_pdata);
 382
 383        if (!otg_mode_host)
 384                imx35_add_fsl_usb2_udc(&otg_device_pdata);
 385
 386        imx35_add_flexcan1();
 387}
 388
 389static void __init pcm043_late_init(void)
 390{
 391        imx35_add_imx_ssi(0, &pcm043_ssi_pdata);
 392
 393        gpiod_add_lookup_table(&sd1_gpio_table);
 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