/* * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include <linux/delay.h> #include <linux/dma-mapping.h> #include <linux/types.h> #include <linux/init.h> #include <linux/clk.h> #include <linux/irq.h> #include <linux/gpio.h> #include <linux/platform_device.h> #include <linux/mfd/mc13783.h> #include <linux/spi/spi.h> #include <linux/spi/l4f00242t03.h> #include <linux/regulator/machine.h> #include <linux/usb/otg.h> #include <linux/usb/ulpi.h> #include <linux/memblock.h> #include <media/soc_camera.h> #include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> #include <asm/memory.h> #include <asm/mach/map.h> #include <asm/memblock.h> #include <mach/common.h> #include <mach/iomux-mx3.h> #include <mach/3ds_debugboard.h> #include <mach/ulpi.h> #include "devices-imx31.h" /* CPLD IRQ line for external uart, external ethernet etc */ #define EXPIO_PARENT_INT IOMUX_TO_IRQ(MX31_PIN_GPIO1_1) static int mx31_3ds_pins[] = { /* UART1 */ MX31_PIN_CTS1__CTS1, MX31_PIN_RTS1__RTS1, MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1, IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO), /*SPI0*/ IOMUX_MODE(MX31_PIN_DSR_DCE1, IOMUX_CONFIG_ALT1), IOMUX_MODE(MX31_PIN_RI_DCE1, IOMUX_CONFIG_ALT1), /* SPI 1 */ MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2, /*CS for MC13783 */ /* MC13783 IRQ */ IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO), /* USB OTG reset */ IOMUX_MODE(MX31_PIN_USB_PWR, IOMUX_CONFIG_GPIO), /* USB OTG */ MX31_PIN_USBOTG_DATA0__USBOTG_DATA0, MX31_PIN_USBOTG_DATA1__USBOTG_DATA1, MX31_PIN_USBOTG_DATA2__USBOTG_DATA2, MX31_PIN_USBOTG_DATA3__USBOTG_DATA3, MX31_PIN_USBOTG_DATA4__USBOTG_DATA4, MX31_PIN_USBOTG_DATA5__USBOTG_DATA5, MX31_PIN_USBOTG_DATA6__USBOTG_DATA6, MX31_PIN_USBOTG_DATA7__USBOTG_DATA7, MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR, MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP, /*Keyboard*/ MX31_PIN_KEY_ROW0_KEY_ROW0, MX31_PIN_KEY_ROW1_KEY_ROW1, MX31_PIN_KEY_ROW2_KEY_ROW2, MX31_PIN_KEY_COL0_KEY_COL0, MX31_PIN_KEY_COL1_KEY_COL1, MX31_PIN_KEY_COL2_KEY_COL2, MX31_PIN_KEY_COL3_KEY_COL3, /* USB Host 2 */ IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC), IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC), IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC), IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC), IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC), IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC), IOMUX_MODE(MX31_PIN_PC_VS2, IOMUX_CONFIG_ALT1), IOMUX_MODE(MX31_PIN_PC_BVD1, IOMUX_CONFIG_ALT1), IOMUX_MODE(MX31_PIN_PC_BVD2, IOMUX_CONFIG_ALT1), IOMUX_MODE(MX31_PIN_PC_RST, IOMUX_CONFIG_ALT1), IOMUX_MODE(MX31_PIN_IOIS16, IOMUX_CONFIG_ALT1), IOMUX_MODE(MX31_PIN_PC_RW_B, IOMUX_CONFIG_ALT1), /* USB Host2 reset */ IOMUX_MODE(MX31_PIN_USB_BYP, IOMUX_CONFIG_GPIO), /* I2C1 */ MX31_PIN_I2C_CLK__I2C1_SCL, MX31_PIN_I2C_DAT__I2C1_SDA, /* SDHC1 */ MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2, MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0, MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD, MX31_PIN_GPIO3_1__GPIO3_1, /* Card detect */ MX31_PIN_GPIO3_0__GPIO3_0, /* OE */ /* Framebuffer */ MX31_PIN_LD0__LD0, MX31_PIN_LD1__LD1, MX31_PIN_LD2__LD2, MX31_PIN_LD3__LD3, MX31_PIN_LD4__LD4, MX31_PIN_LD5__LD5, MX31_PIN_LD6__LD6, MX31_PIN_LD7__LD7, MX31_PIN_LD8__LD8, MX31_PIN_LD9__LD9, MX31_PIN_LD10__LD10, MX31_PIN_LD11__LD11, MX31_PIN_LD12__LD12, MX31_PIN_LD13__LD13, MX31_PIN_LD14__LD14, MX31_PIN_LD15__LD15, MX31_PIN_LD16__LD16, MX31_PIN_LD17__LD17, MX31_PIN_VSYNC3__VSYNC3, MX31_PIN_HSYNC__HSYNC, MX31_PIN_FPSHIFT__FPSHIFT, MX31_PIN_CONTRAST__CONTRAST, /* CSI */ MX31_PIN_CSI_D6__CSI_D6, MX31_PIN_CSI_D7__CSI_D7, MX31_PIN_CSI_D8__CSI_D8, MX31_PIN_CSI_D9__CSI_D9, MX31_PIN_CSI_D10__CSI_D10, MX31_PIN_CSI_D11__CSI_D11, MX31_PIN_CSI_D12__CSI_D12, MX31_PIN_CSI_D13__CSI_D13, MX31_PIN_CSI_D14__CSI_D14, MX31_PIN_CSI_D15__CSI_D15, MX31_PIN_CSI_HSYNC__CSI_HSYNC, MX31_PIN_CSI_MCLK__CSI_MCLK, MX31_PIN_CSI_PIXCLK__CSI_PIXCLK, MX31_PIN_CSI_VSYNC__CSI_VSYNC, MX31_PIN_CSI_D5__GPIO3_5, /* CMOS PWDN */ IOMUX_MODE(MX31_PIN_RI_DTE1, IOMUX_CONFIG_GPIO), /* CMOS reset */ /* SSI */ MX31_PIN_STXD4__STXD4, MX31_PIN_SRXD4__SRXD4, MX31_PIN_SCK4__SCK4, MX31_PIN_SFS4__SFS4, }; /* * Camera support */ static phys_addr_t mx3_camera_base __initdata; #define MX31_3DS_CAMERA_BUF_SIZE SZ_8M #define MX31_3DS_GPIO_CAMERA_PW IOMUX_TO_GPIO(MX31_PIN_CSI_D5) #define MX31_3DS_GPIO_CAMERA_RST IOMUX_TO_GPIO(MX31_PIN_RI_DTE1) static struct gpio mx31_3ds_camera_gpios[] = { { MX31_3DS_GPIO_CAMERA_PW, GPIOF_OUT_INIT_HIGH, "camera-power" }, { MX31_3DS_GPIO_CAMERA_RST, GPIOF_OUT_INIT_HIGH, "camera-reset" }, }; static const struct mx3_camera_pdata mx31_3ds_camera_pdata __initconst = { .flags = MX3_CAMERA_DATAWIDTH_10, .mclk_10khz = 2600, }; static int __init mx31_3ds_init_camera(void) { int dma, ret = -ENOMEM; struct platform_device *pdev = imx31_alloc_mx3_camera(&mx31_3ds_camera_pdata); if (IS_ERR(pdev)) return PTR_ERR(pdev); if (!mx3_camera_base) goto err; dma = dma_declare_coherent_memory(&pdev->dev, mx3_camera_base, mx3_camera_base, MX31_3DS_CAMERA_BUF_SIZE, DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE); if (!(dma & DMA_MEMORY_MAP)) goto err; ret = platform_device_add(pdev); if (ret) err: platform_device_put(pdev); return ret; } static int mx31_3ds_camera_power(struct device *dev, int on) { /* enable or disable the camera */ pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE"); gpio_set_value(MX31_3DS_GPIO_CAMERA_PW, on ? 0 : 1); if (!on) goto out; /* If enabled, give a reset impulse */ gpio_set_value(MX31_3DS_GPIO_CAMERA_RST, 0); msleep(20); gpio_set_value(MX31_3DS_GPIO_CAMERA_RST, 1); msleep(100); out: return 0; } static struct i2c_board_info mx31_3ds_i2c_camera = { I2C_BOARD_INFO("ov2640", 0x30), }; static struct regulator_bulk_data mx31_3ds_camera_regs[] = { { .supply = "cmos_vcore" }, { .supply = "cmos_2v8" }, }; static struct soc_camera_link iclink_ov2640 = { .bus_id = 0, .board_info = &mx31_3ds_i2c_camera, .i2c_adapter_id = 0, .power = mx31_3ds_camera_power, .regulators = mx31_3ds_camera_regs, .num_regulators = ARRAY_SIZE(mx31_3ds_camera_regs), }; static struct platform_device mx31_3ds_ov2640 = { .name = "soc-camera-pdrv", .id = 0, .dev = { .platform_data = &iclink_ov2640, }, }; /* * FB support */ static const struct fb_videomode fb_modedb[] = { { /* 480x640 @ 60 Hz */ .name = "Epson-VGA", .refresh = 60, .xres = 480, .yres = 640, .pixclock = 41701, .left_margin = 20, .right_margin = 41, .upper_margin = 10, .lower_margin = 5, .hsync_len = 20, .vsync_len = 10, .sync = FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT, .vmode = FB_VMODE_NONINTERLACED, .flag = 0, }, }; static struct ipu_platform_data mx3_ipu_data = { .irq_base = MXC_IPU_IRQ_START, }; static struct mx3fb_platform_data mx3fb_pdata __initdata = { .name = "Epson-VGA", .mode = fb_modedb, .num_modes = ARRAY_SIZE(fb_modedb), }; /* LCD */ static struct l4f00242t03_pdata mx31_3ds_l4f00242t03_pdata = { .reset_gpio = IOMUX_TO_GPIO(MX31_PIN_LCS1), .data_enable_gpio = IOMUX_TO_GPIO(MX31_PIN_SER_RS), }; /* * Support for SD card slot in personality board */ #define MX31_3DS_GPIO_SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_GPIO3_1) #define MX31_3DS_GPIO_SDHC1_BE IOMUX_TO_GPIO(MX31_PIN_GPIO3_0) static struct gpio mx31_3ds_sdhc1_gpios[] = { { MX31_3DS_GPIO_SDHC1_CD, GPIOF_IN, "sdhc1-card-detect" }, { MX31_3DS_GPIO_SDHC1_BE, GPIOF_OUT_INIT_LOW, "sdhc1-bus-en" }, }; static int mx31_3ds_sdhc1_init(struct device *dev, irq_handler_t detect_irq, void *data) { int ret; ret = gpio_request_array(mx31_3ds_sdhc1_gpios, ARRAY_SIZE(mx31_3ds_sdhc1_gpios)); if (ret) { pr_warning("Unable to request the SD/MMC GPIOs.\n"); return ret; } ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO3_1), detect_irq, IRQF_DISABLED | IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, "sdhc1-detect", data); if (ret) { pr_warning("Unable to request the SD/MMC card-detect IRQ.\n"); goto gpio_free; } return 0; gpio_free: gpio_free_array(mx31_3ds_sdhc1_gpios, ARRAY_SIZE(mx31_3ds_sdhc1_gpios)); return ret; } static void mx31_3ds_sdhc1_exit(struct device *dev, void *data) { free_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO3_1), data); gpio_free_array(mx31_3ds_sdhc1_gpios, ARRAY_SIZE(mx31_3ds_sdhc1_gpios)); } static void mx31_3ds_sdhc1_setpower(struct device *dev, unsigned int vdd) { /* * While the voltage stuff is done by the driver, activate the * Buffer Enable Pin only if there is a card in slot to fix the card * voltage issue caused by bi-directional chip TXB0108 on 3Stack. * Done here because at this stage we have for sure a debounced value * of the presence of the card, showed by the value of vdd. * 7 == ilog2(MMC_VDD_165_195) */ if (vdd > 7) gpio_set_value(MX31_3DS_GPIO_SDHC1_BE, 1); else gpio_set_value(MX31_3DS_GPIO_SDHC1_BE, 0); } static struct imxmmc_platform_data sdhc1_pdata = { .init = mx31_3ds_sdhc1_init, .exit = mx31_3ds_sdhc1_exit, .setpower = mx31_3ds_sdhc1_setpower, }; /* * Matrix keyboard */ static const uint32_t mx31_3ds_keymap[] = { KEY(0, 0, KEY_UP), KEY(0, 1, KEY_DOWN), KEY(1, 0, KEY_RIGHT), KEY(1, 1, KEY_LEFT), KEY(1, 2, KEY_ENTER), KEY(2, 0, KEY_F6), KEY(2, 1, KEY_F8), KEY(2, 2, KEY_F9), KEY(2, 3, KEY_F10), }; static const struct matrix_keymap_data mx31_3ds_keymap_data __initconst = { .keymap = mx31_3ds_keymap, .keymap_size = ARRAY_SIZE(mx31_3ds_keymap), }; /* Regulators */ static struct regulator_init_data pwgtx_init = { .constraints = { .boot_on = 1, .always_on = 1, }, }; static struct regulator_init_data gpo_init = { .constraints = { .boot_on = 1, .always_on = 1, } }; static struct regulator_consumer_supply vmmc2_consumers[] = { REGULATOR_SUPPLY("vmmc", "mxc-mmc.0"), }; static struct regulator_init_data vmmc2_init = { .constraints = { .min_uV = 3000000, .max_uV = 3000000, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = ARRAY_SIZE(vmmc2_consumers), .consumer_supplies = vmmc2_consumers, }; static struct regulator_consumer_supply vmmc1_consumers[] = { REGULATOR_SUPPLY("vcore", "spi0.0"), REGULATOR_SUPPLY("cmos_2v8", "soc-camera-pdrv.0"), }; static struct regulator_init_data vmmc1_init = { .constraints = { .min_uV = 2800000, .max_uV = 2800000, .apply_uV = 1, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers), .consumer_supplies = vmmc1_consumers, }; static struct regulator_consumer_supply vgen_consumers[] = { REGULATOR_SUPPLY("vdd", "spi0.0"), }; static struct regulator_init_data vgen_init = { .constraints = { .min_uV = 1800000, .max_uV = 1800000, .apply_uV = 1, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = ARRAY_SIZE(vgen_consumers), .consumer_supplies = vgen_consumers, }; static struct regulator_consumer_supply vvib_consumers[] = { REGULATOR_SUPPLY("cmos_vcore", "soc-camera-pdrv.0"), }; static struct regulator_init_data vvib_init = { .constraints = { .min_uV = 1300000, .max_uV = 1300000, .apply_uV = 1, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = ARRAY_SIZE(vvib_consumers), .consumer_supplies = vvib_consumers, }; static struct mc13xxx_regulator_init_data mx31_3ds_regulators[] = { { .id = MC13783_REG_PWGT1SPI, /* Power Gate for ARM core. */ .init_data = &pwgtx_init, }, { .id = MC13783_REG_PWGT2SPI, /* Power Gate for L2 Cache. */ .init_data = &pwgtx_init, }, { .id = MC13783_REG_GPO1, /* Turn on 1.8V */ .init_data = &gpo_init, }, { .id = MC13783_REG_GPO3, /* Turn on 3.3V */ .init_data = &gpo_init, }, { .id = MC13783_REG_VMMC2, /* Power MMC/SD, WiFi/Bluetooth. */ .init_data = &vmmc2_init, }, { .id = MC13783_REG_VMMC1, /* Power LCD, CMOS, FM, GPS, Accel. */ .init_data = &vmmc1_init, }, { .id = MC13783_REG_VGEN, /* Power LCD */ .init_data = &vgen_init, }, { .id = MC13783_REG_VVIB, /* Power CMOS */ .init_data = &vvib_init, }, }; /* MC13783 */ static struct mc13xxx_codec_platform_data mx31_3ds_codec = { .dac_ssi_port = MC13783_SSI1_PORT, .adc_ssi_port = MC13783_SSI1_PORT, }; static struct mc13xxx_platform_data mc13783_pdata = { .regulators = { .regulators = mx31_3ds_regulators, .num_regulators = ARRAY_SIZE(mx31_3ds_regulators), }, .codec = &mx31_3ds_codec, .flags = MC13XXX_USE_TOUCHSCREEN | MC13XXX_USE_RTC | MC13XXX_USE_CODEC, }; static struct imx_ssi_platform_data mx31_3ds_ssi_pdata = { .flags = IMX_SSI_DMA | IMX_SSI_NET, }; /* SPI */ static int spi0_internal_chipselect[] = { MXC_SPI_CS(2), }; static const struct spi_imx_master spi0_pdata __initconst = { .chipselect = spi0_internal_chipselect, .num_chipselect = ARRAY_SIZE(spi0_internal_chipselect), }; static int spi1_internal_chipselect[] = { MXC_SPI_CS(0), MXC_SPI_CS(2), }; static const struct spi_imx_master spi1_pdata __initconst = { .chipselect = spi1_internal_chipselect, .num_chipselect = ARRAY_SIZE(spi1_internal_chipselect), }; static struct spi_board_info mx31_3ds_spi_devs[] __initdata = { { .modalias = "mc13783", .max_speed_hz = 1000000, .bus_num = 1, .chip_select = 1, /* SS2 */ .platform_data = &mc13783_pdata, .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3), .mode = SPI_CS_HIGH, }, { .modalias = "l4f00242t03", .max_speed_hz = 5000000, .bus_num = 0, .chip_select = 0, /* SS2 */ .platform_data = &mx31_3ds_l4f00242t03_pdata, }, }; /* * NAND Flash */ static const struct mxc_nand_platform_data mx31_3ds_nand_board_info __initconst = { .width = 1, .hw_ecc = 1, #ifdef CONFIG_MACH_MX31_3DS_MXC_NAND_USE_BBT .flash_bbt = 1, #endif }; /* * USB OTG */ #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU) #define USBOTG_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_PWR) #define USBH2_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_BYP) static int mx31_3ds_usbotg_init(void) { int err; mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG); err = gpio_request(USBOTG_RST_B, "otgusb-reset"); if (err) { pr_err("Failed to request the USB OTG reset gpio\n"); return err; } err = gpio_direction_output(USBOTG_RST_B, 0); if (err) { pr_err("Failed to drive the USB OTG reset gpio\n"); goto usbotg_free_reset; } mdelay(1); gpio_set_value(USBOTG_RST_B, 1); return 0; usbotg_free_reset: gpio_free(USBOTG_RST_B); return err; } static int mx31_3ds_otg_init(struct platform_device *pdev) { return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED); } static int mx31_3ds_host2_init(struct platform_device *pdev) { int err; mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_PC_VS2, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_PC_BVD1, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_PC_BVD2, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_PC_RST, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_IOIS16, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_PC_RW_B, USB_PAD_CFG); err = gpio_request(USBH2_RST_B, "usbh2-reset"); if (err) { pr_err("Failed to request the USB Host 2 reset gpio\n"); return err; } err = gpio_direction_output(USBH2_RST_B, 0); if (err) { pr_err("Failed to drive the USB Host 2 reset gpio\n"); goto usbotg_free_reset; } mdelay(1); gpio_set_value(USBH2_RST_B, 1); mdelay(10); return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED); usbotg_free_reset: gpio_free(USBH2_RST_B); return err; } static struct mxc_usbh_platform_data otg_pdata __initdata = { .init = mx31_3ds_otg_init, .portsc = MXC_EHCI_MODE_ULPI, }; static struct mxc_usbh_platform_data usbh2_pdata __initdata = { .init = mx31_3ds_host2_init, .portsc = MXC_EHCI_MODE_ULPI, }; static const struct fsl_usb2_platform_data usbotg_pdata __initconst = { .operating_mode = FSL_USB2_DR_DEVICE, .phy_mode = FSL_USB2_PHY_ULPI, }; static bool otg_mode_host __initdata; static int __init mx31_3ds_otg_mode(char *options) { if (!strcmp(options, "host")) otg_mode_host = true; else if (!strcmp(options, "device")) otg_mode_host = false; else pr_info("otg_mode neither \"host\" nor \"device\". " "Defaulting to device\n"); return 1; } __setup("otg_mode=", mx31_3ds_otg_mode); static const struct imxuart_platform_data uart_pdata __initconst = { .flags = IMXUART_HAVE_RTSCTS, }; static const struct imxi2c_platform_data mx31_3ds_i2c0_data __initconst = { .bitrate = 100000, }; static struct platform_device *devices[] __initdata = { &mx31_3ds_ov2640, }; static void __init mx31_3ds_init(void) { int ret; imx31_soc_init(); /* Configure SPI1 IOMUX */ mxc_iomux_set_gpr(MUX_PGP_CSPI_BB, true); mxc_iomux_setup_multiple_pins(mx31_3ds_pins, ARRAY_SIZE(mx31_3ds_pins), "mx31_3ds"); imx31_add_imx_uart0(&uart_pdata); imx31_add_mxc_nand(&mx31_3ds_nand_board_info); imx31_add_spi_imx1(&spi1_pdata); spi_register_board_info(mx31_3ds_spi_devs, ARRAY_SIZE(mx31_3ds_spi_devs)); platform_add_devices(devices, ARRAY_SIZE(devices)); imx31_add_imx_keypad(&mx31_3ds_keymap_data); mx31_3ds_usbotg_init(); if (otg_mode_host) { otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); if (otg_pdata.otg) imx31_add_mxc_ehci_otg(&otg_pdata); } usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); if (usbh2_pdata.otg) imx31_add_mxc_ehci_hs(2, &usbh2_pdata); if (!otg_mode_host) imx31_add_fsl_usb2_udc(&usbotg_pdata); if (mxc_expio_init(MX31_CS5_BASE_ADDR, EXPIO_PARENT_INT)) printk(KERN_WARNING "Init of the debug board failed, all " "devices on the debug board are unusable.\n"); imx31_add_imx2_wdt(); imx31_add_imx_i2c0(&mx31_3ds_i2c0_data); imx31_add_mxc_mmc(0, &sdhc1_pdata); imx31_add_spi_imx0(&spi0_pdata); imx31_add_ipu_core(&mx3_ipu_data); imx31_add_mx3_sdc_fb(&mx3fb_pdata); /* CSI */ /* Camera power: default - off */ ret = gpio_request_array(mx31_3ds_camera_gpios, ARRAY_SIZE(mx31_3ds_camera_gpios)); if (ret) { pr_err("Failed to request camera gpios"); iclink_ov2640.power = NULL; } mx31_3ds_init_camera(); imx31_add_imx_ssi(0, &mx31_3ds_ssi_pdata); imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0); } static void __init mx31_3ds_timer_init(void) { mx31_clocks_init(26000000); } static struct sys_timer mx31_3ds_timer = { .init = mx31_3ds_timer_init, }; static void __init mx31_3ds_reserve(void) { /* reserve MX31_3DS_CAMERA_BUF_SIZE bytes for mx3-camera */ mx3_camera_base = arm_memblock_steal(MX31_3DS_CAMERA_BUF_SIZE, MX31_3DS_CAMERA_BUF_SIZE); } MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)") /* Maintainer: Freescale Semiconductor, Inc. */ .atag_offset = 0x100, .map_io = mx31_map_io, .init_early = imx31_init_early, .init_irq = mx31_init_irq, .handle_irq = imx31_handle_irq, .timer = &mx31_3ds_timer, .init_machine = mx31_3ds_init, .reserve = mx31_3ds_reserve, .restart = mxc_restart, MACHINE_END