arch/arm/mach-mx3/mach-pcm043.c

   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/i2c/at24.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 <mach/hardware.h>
  37 #include <mach/common.h>
  38 #include <mach/iomux-mx35.h>
  39 #include <mach/ipu.h>
  40 #include <mach/mx3fb.h>
  41 #include <mach/ulpi.h>
  42 #include <mach/audmux.h>
  43
  44 #include "devices-imx35.h"
  45 #include "devices.h"
  46
  47 static const struct fb_videomode fb_modedb[] = {
  48         {
  49                 /* 240x320 @ 60 Hz */
  50                 .name           = "Sharp-LQ035Q7",
  51                 .refresh        = 60,
  52                 .xres           = 240,
  53                 .yres           = 320,
  54                 .pixclock       = 185925,
  55                 .left_margin    = 9,
  56                 .right_margin   = 16,
  57                 .upper_margin   = 7,
  58                 .lower_margin   = 9,
  59                 .hsync_len      = 1,
  60                 .vsync_len      = 1,
  61                 .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE | FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN,
  62                 .vmode          = FB_VMODE_NONINTERLACED,
  63                 .flag           = 0,
  64         }, {
  65                 /* 240x320 @ 60 Hz */
  66                 .name           = "TX090",
  67                 .refresh        = 60,
  68                 .xres           = 240,
  69                 .yres           = 320,
  70                 .pixclock       = 38255,
  71                 .left_margin    = 144,
  72                 .right_margin   = 0,
  73                 .upper_margin   = 7,
  74                 .lower_margin   = 40,
  75                 .hsync_len      = 96,
  76                 .vsync_len      = 1,
  77                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
  78                 .vmode          = FB_VMODE_NONINTERLACED,
  79                 .flag           = 0,
  80         },
  81 };
  82
  83 static struct ipu_platform_data mx3_ipu_data = {
  84         .irq_base = MXC_IPU_IRQ_START,
  85 };
  86
  87 static struct mx3fb_platform_data mx3fb_pdata = {
  88         .dma_dev        = &mx3_ipu.dev,
  89         .name           = "Sharp-LQ035Q7",
  90         .mode           = fb_modedb,
  91         .num_modes      = ARRAY_SIZE(fb_modedb),
  92 };
  93
  94 static struct physmap_flash_data pcm043_flash_data = {
  95         .width  = 2,
  96 };
  97
  98 static struct resource pcm043_flash_resource = {
  99         .start  = 0xa0000000,
 100         .end    = 0xa1ffffff,
 101         .flags  = IORESOURCE_MEM,
 102 };
 103
 104 static struct platform_device pcm043_flash = {
 105         .name   = "physmap-flash",
 106         .id     = 0,
 107         .dev    = {
 108                 .platform_data  = &pcm043_flash_data,
 109         },
 110         .resource = &pcm043_flash_resource,
 111         .num_resources = 1,
 112 };
 113
 114 static const struct imxuart_platform_data uart_pdata __initconst = {
 115         .flags = IMXUART_HAVE_RTSCTS,
 116 };
 117
 118 #if defined CONFIG_I2C_IMX || defined CONFIG_I2C_IMX_MODULE
 119 static const struct imxi2c_platform_data pcm043_i2c0_data __initconst = {
 120         .bitrate = 50000,
 121 };
 122
 123 static struct at24_platform_data board_eeprom = {
 124         .byte_len = 4096,
 125         .page_size = 32,
 126         .flags = AT24_FLAG_ADDR16,
 127 };
 128
 129 static struct i2c_board_info pcm043_i2c_devices[] = {
 130        {
 131                 I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
 132                 .platform_data = &board_eeprom,
 133         }, {
 134                 I2C_BOARD_INFO("pcf8563", 0x51),
 135         }
 136 };
 137 #endif
 138
 139 static struct platform_device *devices[] __initdata = {
 140         &pcm043_flash,
 141         &imx_wdt_device0,
 142 };
 143
 144 static struct pad_desc pcm043_pads[] = {
 145         /* UART1 */
 146         MX35_PAD_CTS1__UART1_CTS,
 147         MX35_PAD_RTS1__UART1_RTS,
 148         MX35_PAD_TXD1__UART1_TXD_MUX,
 149         MX35_PAD_RXD1__UART1_RXD_MUX,
 150         /* UART2 */
 151         MX35_PAD_CTS2__UART2_CTS,
 152         MX35_PAD_RTS2__UART2_RTS,
 153         MX35_PAD_TXD2__UART2_TXD_MUX,
 154         MX35_PAD_RXD2__UART2_RXD_MUX,
 155         /* FEC */
 156         MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
 157         MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
 158         MX35_PAD_FEC_RX_DV__FEC_RX_DV,
 159         MX35_PAD_FEC_COL__FEC_COL,
 160         MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
 161         MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
 162         MX35_PAD_FEC_TX_EN__FEC_TX_EN,
 163         MX35_PAD_FEC_MDC__FEC_MDC,
 164         MX35_PAD_FEC_MDIO__FEC_MDIO,
 165         MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
 166         MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
 167         MX35_PAD_FEC_CRS__FEC_CRS,
 168         MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
 169         MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
 170         MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
 171         MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
 172         MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
 173         MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
 174         /* I2C1 */
 175         MX35_PAD_I2C1_CLK__I2C1_SCL,
 176         MX35_PAD_I2C1_DAT__I2C1_SDA,
 177         /* Display */
 178         MX35_PAD_LD0__IPU_DISPB_DAT_0,
 179         MX35_PAD_LD1__IPU_DISPB_DAT_1,
 180         MX35_PAD_LD2__IPU_DISPB_DAT_2,
 181         MX35_PAD_LD3__IPU_DISPB_DAT_3,
 182         MX35_PAD_LD4__IPU_DISPB_DAT_4,
 183         MX35_PAD_LD5__IPU_DISPB_DAT_5,
 184         MX35_PAD_LD6__IPU_DISPB_DAT_6,
 185         MX35_PAD_LD7__IPU_DISPB_DAT_7,
 186         MX35_PAD_LD8__IPU_DISPB_DAT_8,
 187         MX35_PAD_LD9__IPU_DISPB_DAT_9,
 188         MX35_PAD_LD10__IPU_DISPB_DAT_10,
 189         MX35_PAD_LD11__IPU_DISPB_DAT_11,
 190         MX35_PAD_LD12__IPU_DISPB_DAT_12,
 191         MX35_PAD_LD13__IPU_DISPB_DAT_13,
 192         MX35_PAD_LD14__IPU_DISPB_DAT_14,
 193         MX35_PAD_LD15__IPU_DISPB_DAT_15,
 194         MX35_PAD_LD16__IPU_DISPB_DAT_16,
 195         MX35_PAD_LD17__IPU_DISPB_DAT_17,
 196         MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
 197         MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
 198         MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
 199         MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
 200         MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
 201         MX35_PAD_D3_REV__IPU_DISPB_D3_REV,
 202         MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS,
 203         /* gpio */
 204         MX35_PAD_ATA_CS0__GPIO2_6,
 205         /* USB host */
 206         MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
 207         MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
 208         /* SSI */
 209         MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS,
 210         MX35_PAD_STXD4__AUDMUX_AUD4_TXD,
 211         MX35_PAD_SRXD4__AUDMUX_AUD4_RXD,
 212         MX35_PAD_SCK4__AUDMUX_AUD4_TXC,
 213         /* CAN2 */
 214         MX35_PAD_TX5_RX0__CAN2_TXCAN,
 215         MX35_PAD_TX4_RX1__CAN2_RXCAN,
 216         /* esdhc */
 217         MX35_PAD_SD1_CMD__ESDHC1_CMD,
 218         MX35_PAD_SD1_CLK__ESDHC1_CLK,
 219         MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
 220         MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
 221         MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
 222         MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
 223 };
 224
 225 #define AC97_GPIO_TXFS  (1 * 32 + 31)
 226 #define AC97_GPIO_TXD   (1 * 32 + 28)
 227 #define AC97_GPIO_RESET (1 * 32 + 0)
 228
 229 static void pcm043_ac97_warm_reset(struct snd_ac97 *ac97)
 230 {
 231         struct pad_desc txfs_gpio = MX35_PAD_STXFS4__GPIO2_31;
 232         struct pad_desc txfs = MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS;
 233         int ret;
 234
 235         ret = gpio_request(AC97_GPIO_TXFS, "SSI");
 236         if (ret) {
 237                 printk("failed to get GPIO_TXFS: %d\n", ret);
 238                 return;
 239         }
 240
 241         mxc_iomux_v3_setup_pad(&txfs_gpio);
 242
 243         /* warm reset */
 244         gpio_direction_output(AC97_GPIO_TXFS, 1);
 245         udelay(2);
 246         gpio_set_value(AC97_GPIO_TXFS, 0);
 247
 248         gpio_free(AC97_GPIO_TXFS);
 249         mxc_iomux_v3_setup_pad(&txfs);
 250 }
 251
 252 static void pcm043_ac97_cold_reset(struct snd_ac97 *ac97)
 253 {
 254         struct pad_desc txfs_gpio = MX35_PAD_STXFS4__GPIO2_31;
 255         struct pad_desc txfs = MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS;
 256         struct pad_desc txd_gpio = MX35_PAD_STXD4__GPIO2_28;
 257         struct pad_desc txd = MX35_PAD_STXD4__AUDMUX_AUD4_TXD;
 258         struct pad_desc reset_gpio = MX35_PAD_SD2_CMD__GPIO2_0;
 259         int ret;
 260
 261         ret = gpio_request(AC97_GPIO_TXFS, "SSI");
 262         if (ret)
 263                 goto err1;
 264
 265         ret = gpio_request(AC97_GPIO_TXD, "SSI");
 266         if (ret)
 267                 goto err2;
 268
 269         ret = gpio_request(AC97_GPIO_RESET, "SSI");
 270         if (ret)
 271                 goto err3;
 272
 273         mxc_iomux_v3_setup_pad(&txfs_gpio);
 274         mxc_iomux_v3_setup_pad(&txd_gpio);
 275         mxc_iomux_v3_setup_pad(&reset_gpio);
 276
 277         gpio_direction_output(AC97_GPIO_TXFS, 0);
 278         gpio_direction_output(AC97_GPIO_TXD, 0);
 279
 280         /* cold reset */
 281         gpio_direction_output(AC97_GPIO_RESET, 0);
 282         udelay(10);
 283         gpio_direction_output(AC97_GPIO_RESET, 1);
 284
 285         mxc_iomux_v3_setup_pad(&txd);
 286         mxc_iomux_v3_setup_pad(&txfs);
 287
 288         gpio_free(AC97_GPIO_RESET);
 289 err3:
 290         gpio_free(AC97_GPIO_TXD);
 291 err2:
 292         gpio_free(AC97_GPIO_TXFS);
 293 err1:
 294         if (ret)
 295                 printk("%s failed with %d\n", __func__, ret);
 296         mdelay(1);
 297 }
 298
 299 static const struct imx_ssi_platform_data pcm043_ssi_pdata __initconst = {
 300         .ac97_reset = pcm043_ac97_cold_reset,
 301         .ac97_warm_reset = pcm043_ac97_warm_reset,
 302         .flags = IMX_SSI_USE_AC97,
 303 };
 304
 305 static const struct mxc_nand_platform_data
 306 pcm037_nand_board_info __initconst = {
 307         .width = 1,
 308         .hw_ecc = 1,
 309 };
 310
 311 #if defined(CONFIG_USB_ULPI)
 312 static struct mxc_usbh_platform_data otg_pdata __initdata = {
 313         .portsc = MXC_EHCI_MODE_UTMI,
 314         .flags  = MXC_EHCI_INTERFACE_DIFF_UNI,
 315 };
 316
 317 static const struct mxc_usbh_platform_data usbh1_pdata __initconst = {
 318         .portsc = MXC_EHCI_MODE_SERIAL,
 319         .flags  = MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY |
 320                   MXC_EHCI_IPPUE_DOWN,
 321 };
 322 #endif
 323
 324 static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
 325         .operating_mode = FSL_USB2_DR_DEVICE,
 326         .phy_mode       = FSL_USB2_PHY_UTMI,
 327 };
 328
 329 static int otg_mode_host;
 330
 331 static int __init pcm043_otg_mode(char *options)
 332 {
 333         if (!strcmp(options, "host"))
 334                 otg_mode_host = 1;
 335         else if (!strcmp(options, "device"))
 336                 otg_mode_host = 0;
 337         else
 338                 pr_info("otg_mode neither \"host\" nor \"device\". "
 339                         "Defaulting to device\n");
 340         return 0;
 341 }
 342 __setup("otg_mode=", pcm043_otg_mode);
 343
 344 /*
 345  * Board specific initialization.
 346  */
 347 static void __init mxc_board_init(void)
 348 {
 349         mxc_iomux_v3_setup_multiple_pads(pcm043_pads, ARRAY_SIZE(pcm043_pads));
 350
 351         mxc_audmux_v2_configure_port(3,
 352                         MXC_AUDMUX_V2_PTCR_SYN | /* 4wire mode */
 353                         MXC_AUDMUX_V2_PTCR_TFSEL(0) |
 354                         MXC_AUDMUX_V2_PTCR_TFSDIR,
 355                         MXC_AUDMUX_V2_PDCR_RXDSEL(0));
 356
 357         mxc_audmux_v2_configure_port(0,
 358                         MXC_AUDMUX_V2_PTCR_SYN | /* 4wire mode */
 359                         MXC_AUDMUX_V2_PTCR_TCSEL(3) |
 360                         MXC_AUDMUX_V2_PTCR_TCLKDIR, /* clock is output */
 361                         MXC_AUDMUX_V2_PDCR_RXDSEL(3));
 362
 363         imx35_add_fec(NULL);
 364         platform_add_devices(devices, ARRAY_SIZE(devices));
 365
 366         imx35_add_imx_uart0(&uart_pdata);
 367         imx35_add_mxc_nand(&pcm037_nand_board_info);
 368         imx35_add_imx_ssi(0, &pcm043_ssi_pdata);
 369
 370         imx35_add_imx_uart1(&uart_pdata);
 371
 372 #if defined CONFIG_I2C_IMX || defined CONFIG_I2C_IMX_MODULE
 373         i2c_register_board_info(0, pcm043_i2c_devices,
 374                         ARRAY_SIZE(pcm043_i2c_devices));
 375
 376         imx35_add_imx_i2c0(&pcm043_i2c0_data);
 377 #endif
 378
 379         mxc_register_device(&mx3_ipu, &mx3_ipu_data);
 380         mxc_register_device(&mx3_fb, &mx3fb_pdata);
 381
 382 #if defined(CONFIG_USB_ULPI)
 383         if (otg_mode_host) {
 384                 otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
 385                                 ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT);
 386
 387                 imx35_add_mxc_ehci_otg(&otg_pdata);
 388         }
 389
 390         imx35_add_mxc_ehci_hs(&usbh1_pdata);
 391 #endif
 392         if (!otg_mode_host)
 393                 imx35_add_fsl_usb2_udc(&otg_device_pdata);
 394
 395         imx35_add_flexcan1(NULL);
 396         imx35_add_esdhc(0, NULL);
 397 }
 398
 399 static void __init pcm043_timer_init(void)
 400 {
 401         mx35_clocks_init();
 402 }
 403
 404 struct sys_timer pcm043_timer = {
 405         .init   = pcm043_timer_init,
 406 };
 407
 408 MACHINE_START(PCM043, "Phytec Phycore pcm043")
 409         /* Maintainer: Pengutronix */
 410         .boot_params    = MX3x_PHYS_OFFSET + 0x100,
 411         .map_io         = mx35_map_io,
 412         .init_irq       = mx35_init_irq,
 413         .init_machine   = mxc_board_init,
 414         .timer          = &pcm043_timer,
 415 MACHINE_END
 416