[mirror_ubuntu-kernels.git] / arch / arm / mach-imx / mach-mx31moboard.c

/*
 *  Copyright (C) 2008 Valentin Longchamp, EPFL Mobots group
 *
 * 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/gfp.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/moduleparam.h>
#include <linux/leds.h>
#include <linux/memory.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/partitions.h>
#include <linux/platform_device.h>
#include <linux/regulator/machine.h>
#include <linux/mfd/mc13783.h>
#include <linux/spi/spi.h>
#include <linux/types.h>
#include <linux/memblock.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/err.h>
#include <linux/input.h>

#include <linux/usb/otg.h>
#include <linux/usb/ulpi.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
#include <asm/memblock.h>
#include <linux/platform_data/asoc-imx-ssi.h>

#include "board-mx31moboard.h"
#include "common.h"
#include "devices-imx31.h"
#include "ehci.h"
#include "hardware.h"
#include "iomux-mx3.h"
#include "ulpi.h"

static unsigned int moboard_pins[] = {
	/* UART0 */
	MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1,
	MX31_PIN_CTS1__GPIO2_7,
	/* UART4 */
	MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5,
	MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5,
	/* I2C0 */
	MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL,
	/* I2C1 */
	MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL,
	/* 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_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27,
	/* USB reset */
	MX31_PIN_GPIO1_0__GPIO1_0,
	/* 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,
	MX31_PIN_USB_OC__GPIO1_30,
	/* USB H2 */
	MX31_PIN_USBH2_DATA0__USBH2_DATA0,
	MX31_PIN_USBH2_DATA1__USBH2_DATA1,
	MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3,
	MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5,
	MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7,
	MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR,
	MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP,
	MX31_PIN_SCK6__GPIO1_25,
	/* LEDs */
	MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1,
	MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3,
	/* SPI1 */
	MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO,
	MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
	MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2,
	/* Atlas IRQ */
	MX31_PIN_GPIO1_3__GPIO1_3,
	/* SPI2 */
	MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO,
	MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY,
	MX31_PIN_CSPI2_SS1__CSPI3_SS1,
	/* SSI */
	MX31_PIN_STXD4__STXD4, MX31_PIN_SRXD4__SRXD4,
	MX31_PIN_SCK4__SCK4, MX31_PIN_SFS4__SFS4,
};

static struct physmap_flash_data mx31moboard_flash_data = {
	.width	= 2,
};

static struct resource mx31moboard_flash_resource = {
	.start	= 0xa0000000,
	.end	= 0xa1ffffff,
	.flags	= IORESOURCE_MEM,
};

static struct platform_device mx31moboard_flash = {
	.name	= "physmap-flash",
	.id	= 0,
	.dev	= {
		.platform_data  = &mx31moboard_flash_data,
	},
	.resource = &mx31moboard_flash_resource,
	.num_resources = 1,
};

static void __init moboard_uart0_init(void)
{
	if (!gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack")) {
		gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0);
		gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
	}
}

static const struct imxuart_platform_data uart0_pdata __initconst = {
};

static const struct imxuart_platform_data uart4_pdata __initconst = {
	.flags = IMXUART_HAVE_RTSCTS,
};

static const struct imxi2c_platform_data moboard_i2c0_data __initconst = {
	.bitrate = 400000,
};

static const struct imxi2c_platform_data moboard_i2c1_data __initconst = {
	.bitrate = 100000,
};

static const struct spi_imx_master moboard_spi1_pdata __initconst = {
	.num_chipselect	= 3,
};

static struct regulator_consumer_supply sdhc_consumers[] = {
	{
		.dev_name = "imx31-mmc.0",
		.supply	= "sdhc0_vcc",
	},
	{
		.dev_name = "imx31-mmc.1",
		.supply	= "sdhc1_vcc",
	},
};

static struct regulator_init_data sdhc_vreg_data = {
	.constraints = {
		.min_uV = 2700000,
		.max_uV = 3000000,
		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
			REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
		.valid_modes_mask = REGULATOR_MODE_NORMAL |
			REGULATOR_MODE_FAST,
		.always_on = 0,
		.boot_on = 1,
	},
	.num_consumer_supplies = ARRAY_SIZE(sdhc_consumers),
	.consumer_supplies = sdhc_consumers,
};

static struct regulator_consumer_supply cam_consumers[] = {
	{
		.dev_name = "mx3_camera.0",
		.supply = "cam_vcc",
	},
};

static struct regulator_init_data cam_vreg_data = {
	.constraints = {
		.min_uV = 2700000,
		.max_uV = 3000000,
		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
			REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
		.valid_modes_mask = REGULATOR_MODE_NORMAL |
			REGULATOR_MODE_FAST,
		.always_on = 0,
		.boot_on = 1,
	},
	.num_consumer_supplies = ARRAY_SIZE(cam_consumers),
	.consumer_supplies = cam_consumers,
};

static struct mc13xxx_regulator_init_data moboard_regulators[] = {
	{
		.id = MC13783_REG_VMMC1,
		.init_data = &sdhc_vreg_data,
	},
	{
		.id = MC13783_REG_VCAM,
		.init_data = &cam_vreg_data,
	},
};

static struct mc13xxx_led_platform_data moboard_led[] = {
	{
		.id = MC13783_LED_R1,
		.name = "coreboard-led-4:red",
	},
	{
		.id = MC13783_LED_G1,
		.name = "coreboard-led-4:green",
	},
	{
		.id = MC13783_LED_B1,
		.name = "coreboard-led-4:blue",
	},
	{
		.id = MC13783_LED_R2,
		.name = "coreboard-led-5:red",
	},
	{
		.id = MC13783_LED_G2,
		.name = "coreboard-led-5:green",
	},
	{
		.id = MC13783_LED_B2,
		.name = "coreboard-led-5:blue",
	},
};

static struct mc13xxx_leds_platform_data moboard_leds = {
	.num_leds = ARRAY_SIZE(moboard_led),
	.led = moboard_led,
	.led_control[0]	= MC13783_LED_C0_ENABLE | MC13783_LED_C0_ABMODE(0),
	.led_control[1]	= MC13783_LED_C1_SLEWLIM,
	.led_control[2]	= MC13783_LED_C2_SLEWLIM,
	.led_control[3]	= MC13783_LED_C3_PERIOD(0) |
			  MC13783_LED_C3_CURRENT_R1(2) |
			  MC13783_LED_C3_CURRENT_G1(2) |
			  MC13783_LED_C3_CURRENT_B1(2),
	.led_control[4]	= MC13783_LED_C4_PERIOD(0) |
			  MC13783_LED_C4_CURRENT_R2(3) |
			  MC13783_LED_C4_CURRENT_G2(3) |
			  MC13783_LED_C4_CURRENT_B2(3),
};

static struct mc13xxx_buttons_platform_data moboard_buttons = {
	.b1on_flags = MC13783_BUTTON_DBNC_750MS | MC13783_BUTTON_ENABLE |
			MC13783_BUTTON_POL_INVERT,
	.b1on_key = KEY_POWER,
};

static struct mc13xxx_codec_platform_data moboard_codec = {
	.dac_ssi_port = MC13783_SSI1_PORT,
	.adc_ssi_port = MC13783_SSI1_PORT,
};

static struct mc13xxx_platform_data moboard_pmic = {
	.regulators = {
		.regulators = moboard_regulators,
		.num_regulators = ARRAY_SIZE(moboard_regulators),
	},
	.leds = &moboard_leds,
	.buttons = &moboard_buttons,
	.codec = &moboard_codec,
	.flags = MC13XXX_USE_RTC | MC13XXX_USE_ADC | MC13XXX_USE_CODEC,
};

static struct imx_ssi_platform_data moboard_ssi_pdata = {
	.flags = IMX_SSI_DMA | IMX_SSI_NET,
};

static struct spi_board_info moboard_spi_board_info[] __initdata = {
	{
		.modalias = "mc13783",
		/* irq number is run-time assigned */
		.max_speed_hz = 300000,
		.bus_num = 1,
		.chip_select = 0,
		.platform_data = &moboard_pmic,
		.mode = SPI_CS_HIGH,
	},
};

static const struct spi_imx_master moboard_spi2_pdata __initconst = {
	.num_chipselect	= 2,
};

#define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0)
#define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1)

static int moboard_sdhc1_get_ro(struct device *dev)
{
	return !gpio_get_value(SDHC1_WP);
}

static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
		void *data)
{
	int ret;

	ret = gpio_request(SDHC1_CD, "sdhc-detect");
	if (ret)
		return ret;

	gpio_direction_input(SDHC1_CD);

	ret = gpio_request(SDHC1_WP, "sdhc-wp");
	if (ret)
		goto err_gpio_free;
	gpio_direction_input(SDHC1_WP);

	ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq,
		IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
		"sdhc1-card-detect", data);
	if (ret)
		goto err_gpio_free_2;

	return 0;

err_gpio_free_2:
	gpio_free(SDHC1_WP);
err_gpio_free:
	gpio_free(SDHC1_CD);

	return ret;
}

static void moboard_sdhc1_exit(struct device *dev, void *data)
{
	free_irq(gpio_to_irq(SDHC1_CD), data);
	gpio_free(SDHC1_WP);
	gpio_free(SDHC1_CD);
}

static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
	.get_ro	= moboard_sdhc1_get_ro,
	.init	= moboard_sdhc1_init,
	.exit	= moboard_sdhc1_exit,
};

/*
 * this pin is dedicated for all mx31moboard systems, so we do it here
 */
#define USB_RESET_B	IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)
#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
		      PAD_CTL_ODE_CMOS)

#define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
#define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)

static void usb_xcvr_reset(void)
{
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG | PAD_CTL_100K_PU);

	mxc_iomux_set_gpr(MUX_PGP_UH2, true);
	mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
	mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
	mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
	mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG | PAD_CTL_100K_PD);

	gpio_request(OTG_EN_B, "usb-udc-en");
	gpio_direction_output(OTG_EN_B, 0);
	gpio_request(USBH2_EN_B, "usbh2-en");
	gpio_direction_output(USBH2_EN_B, 0);

	gpio_request(USB_RESET_B, "usb-reset");
	gpio_direction_output(USB_RESET_B, 0);
	mdelay(1);
	gpio_set_value(USB_RESET_B, 1);
	mdelay(1);
}

static int moboard_usbh2_init_hw(struct platform_device *pdev)
{
	return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
}

static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
	.init	= moboard_usbh2_init_hw,
	.portsc	= MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
};

static int __init moboard_usbh2_init(void)
{
	struct platform_device *pdev;

	usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
			ULPI_OTG_DRVVBUS_EXT);
	if (!usbh2_pdata.otg)
		return -ENODEV;

	pdev = imx31_add_mxc_ehci_hs(2, &usbh2_pdata);

	return PTR_ERR_OR_ZERO(pdev);
}

static const struct gpio_led mx31moboard_leds[] __initconst = {
	{
		.name	= "coreboard-led-0:red:running",
		.default_trigger = "heartbeat",
		.gpio	= IOMUX_TO_GPIO(MX31_PIN_SVEN0),
	}, {
		.name	= "coreboard-led-1:red",
		.gpio	= IOMUX_TO_GPIO(MX31_PIN_STX0),
	}, {
		.name	= "coreboard-led-2:red",
		.gpio	= IOMUX_TO_GPIO(MX31_PIN_SRX0),
	}, {
		.name	= "coreboard-led-3:red",
		.gpio	= IOMUX_TO_GPIO(MX31_PIN_SIMPD0),
	},
};

static const struct gpio_led_platform_data mx31moboard_led_pdata __initconst = {
	.num_leds	= ARRAY_SIZE(mx31moboard_leds),
	.leds		= mx31moboard_leds,
};

static struct platform_device *devices[] __initdata = {
	&mx31moboard_flash,
};

static struct mx3_camera_pdata camera_pdata __initdata = {
	.flags		= MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
	.mclk_10khz	= 4800,
};

static phys_addr_t mx3_camera_base __initdata;
#define MX3_CAMERA_BUF_SIZE SZ_4M

static int __init mx31moboard_init_cam(void)
{
	int ret;
	struct platform_device *pdev;

	imx31_add_ipu_core();

	pdev = imx31_alloc_mx3_camera(&camera_pdata);
	if (IS_ERR(pdev))
		return PTR_ERR(pdev);

	ret = dma_declare_coherent_memory(&pdev->dev,
					  mx3_camera_base, mx3_camera_base,
					  MX3_CAMERA_BUF_SIZE);
	if (ret)
		goto err;

	ret = platform_device_add(pdev);
	if (ret)
err:
		platform_device_put(pdev);

	return ret;

}

static void mx31moboard_poweroff(void)
{
	struct clk *clk = clk_get_sys("imx2-wdt.0", NULL);

	if (!IS_ERR(clk))
		clk_prepare_enable(clk);

	mxc_iomux_mode(MX31_PIN_WATCHDOG_RST__WATCHDOG_RST);

	imx_writew(1 << 6 | 1 << 2, MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
}

static int mx31moboard_baseboard;
core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);

/*
 * Board specific initialization.
 */
static void __init mx31moboard_init(void)
{
	imx31_soc_init();

	mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins),
		"moboard");

	platform_add_devices(devices, ARRAY_SIZE(devices));

	imx31_add_imx2_wdt();

	imx31_add_imx_uart0(&uart0_pdata);
	imx31_add_imx_uart4(&uart4_pdata);

	imx31_add_imx_i2c0(&moboard_i2c0_data);
	imx31_add_imx_i2c1(&moboard_i2c1_data);

	imx31_add_spi_imx1(&moboard_spi1_pdata);
	imx31_add_spi_imx2(&moboard_spi2_pdata);

	mx31moboard_init_cam();

	imx31_add_imx_ssi(0, &moboard_ssi_pdata);

	pm_power_off = mx31moboard_poweroff;
}

static void __init mx31moboard_late(void)
{
	gpio_led_register_device(-1, &mx31moboard_led_pdata);

	moboard_uart0_init();

	gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq");
	gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
	moboard_spi_board_info[0].irq =
			gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
	spi_register_board_info(moboard_spi_board_info,
		ARRAY_SIZE(moboard_spi_board_info));

	imx31_add_mxc_mmc(0, &sdhc1_pdata);

	usb_xcvr_reset();
	moboard_usbh2_init();

	imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0);

	switch (mx31moboard_baseboard) {
	case MX31NOBOARD:
		break;
	case MX31DEVBOARD:
		mx31moboard_devboard_init();
		break;
	case MX31MARXBOT:
		mx31moboard_marxbot_init();
		break;
	case MX31SMARTBOT:
	case MX31EYEBOT:
		mx31moboard_smartbot_init(mx31moboard_baseboard);
		break;
	default:
		printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n",
			mx31moboard_baseboard);
	}
}

static void __init mx31moboard_timer_init(void)
{
	mx31_clocks_init(26000000);
}

static void __init mx31moboard_reserve(void)
{
	/* reserve 4 MiB for mx3-camera */
	mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE,
			MX3_CAMERA_BUF_SIZE);
}

MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
	/* Maintainer: Philippe Retornaz, EPFL Mobots group */
	.atag_offset = 0x100,
	.reserve = mx31moboard_reserve,
	.map_io = mx31_map_io,
	.init_early = imx31_init_early,
	.init_irq = mx31_init_irq,
	.init_time	= mx31moboard_timer_init,
	.init_machine = mx31moboard_init,
	.init_late	= mx31moboard_late,
	.restart	= mxc_restart,
MACHINE_END
Commit	Line	Data
988d2d49 VL	1	/*
	2	* Copyright (C) 2008 Valentin Longchamp, EPFL Mobots group
	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.
988d2d49 VL	13	*/
988d2d49 VL	14
b23f1534	15	#include <linux/delay.h>
04ea3c80	16	#include <linux/dma-mapping.h>
5a0e3ad6	17	#include <linux/gfp.h>
45b131a7	18	#include <linux/gpio.h>
988d2d49	19	#include <linux/init.h>
45b131a7	20	#include <linux/interrupt.h>
9e907416	21	#include <linux/moduleparam.h>
77aa561d	22	#include <linux/leds.h>
220bbcea	23	#include <linux/memory.h>
988d2d49 VL	24	#include <linux/mtd/physmap.h>
988d2d49 VL	25	#include <linux/mtd/partitions.h>
220bbcea	26	#include <linux/platform_device.h>
65da9791 VL	27	#include <linux/regulator/machine.h>
	28	#include <linux/mfd/mc13783.h>
	29	#include <linux/spi/spi.h>
220bbcea	30	#include <linux/types.h>
031e9127	31	#include <linux/memblock.h>
40d97b89 PR	32	#include <linux/clk.h>
	33	#include <linux/io.h>
	34	#include <linux/err.h>
1f08c112	35	#include <linux/input.h>
988d2d49	36
d67d1075 VL	37	#include <linux/usb/otg.h>
	38	#include <linux/usb/ulpi.h>
	39
988d2d49 VL	40	#include <asm/mach-types.h>
	41	#include <asm/mach/arch.h>
	42	#include <asm/mach/time.h>
	43	#include <asm/mach/map.h>
716a3dc2	44	#include <asm/memblock.h>
82906b13	45	#include <linux/platform_data/asoc-imx-ssi.h>
988d2d49	46
3ed0bcb4	47	#include "board-mx31moboard.h"
e3372474	48	#include "common.h"
4a9b8b0b	49	#include "devices-imx31.h"
641dfe8b	50	#include "ehci.h"
50f2de61	51	#include "hardware.h"
267dd34c	52	#include "iomux-mx3.h"
39ef6340	53	#include "ulpi.h"
988d2d49	54
220bbcea VL	55	static unsigned int moboard_pins[] = {
220bbcea VL	56	/* UART0 */
220bbcea	57	MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1,
421bf82e	58	MX31_PIN_CTS1__GPIO2_7,
220bbcea VL	59	/* UART4 */
	60	MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5,
	61	MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5,
56c7a45b VL	62	/* I2C0 */
	63	MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL,
	64	/* I2C1 */
	65	MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL,
	66	/* SDHC1 */
	67	MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2,
	68	MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0,
	69	MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD,
	70	MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27,
b23f1534 VL	71	/* USB reset */
b23f1534 VL	72	MX31_PIN_GPIO1_0__GPIO1_0,
88b05647 VL	73	/* USB OTG */
	74	MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
	75	MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
	76	MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
	77	MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
	78	MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
	79	MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
	80	MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
	81	MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
	82	MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR,
	83	MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP,
	84	MX31_PIN_USB_OC__GPIO1_30,
d67d1075 VL	85	/* USB H2 */
	86	MX31_PIN_USBH2_DATA0__USBH2_DATA0,
	87	MX31_PIN_USBH2_DATA1__USBH2_DATA1,
	88	MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3,
	89	MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5,
	90	MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7,
	91	MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR,
	92	MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP,
	93	MX31_PIN_SCK6__GPIO1_25,
77aa561d VL	94	/* LEDs */
	95	MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1,
	96	MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3,
65da9791 VL	97	/* SPI1 */
	98	MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO,
	99	MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
	100	MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2,
	101	/* Atlas IRQ */
	102	MX31_PIN_GPIO1_3__GPIO1_3,
	103	/* SPI2 */
	104	MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO,
	105	MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY,
	106	MX31_PIN_CSPI2_SS1__CSPI3_SS1,
2f7b9451 PR	107	/* SSI */
	108	MX31_PIN_STXD4__STXD4, MX31_PIN_SRXD4__SRXD4,
	109	MX31_PIN_SCK4__SCK4, MX31_PIN_SFS4__SFS4,
220bbcea VL	110	};
220bbcea VL	111
988d2d49	112	static struct physmap_flash_data mx31moboard_flash_data = {
27ad4bf7	113	.width = 2,
988d2d49 VL	114	};
	115
	116	static struct resource mx31moboard_flash_resource = {
	117	.start = 0xa0000000,
	118	.end = 0xa1ffffff,
	119	.flags = IORESOURCE_MEM,
	120	};
	121
	122	static struct platform_device mx31moboard_flash = {
	123	.name = "physmap-flash",
	124	.id = 0,
	125	.dev = {
	126	.platform_data = &mx31moboard_flash_data,
	127	},
	128	.resource = &mx31moboard_flash_resource,
	129	.num_resources = 1,
	130	};
	131
45af780a	132	static void __init moboard_uart0_init(void)
421bf82e	133	{
45af780a AS	134	if (!gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack")) {
45af780a AS	135	gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0);
5109a459	136	gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
45af780a	137	}
421bf82e VL	138	}
421bf82e VL	139
16cf5c41	140	static const struct imxuart_platform_data uart0_pdata __initconst = {
421bf82e VL	141	};
421bf82e VL	142
16cf5c41	143	static const struct imxuart_platform_data uart4_pdata __initconst = {
988d2d49 VL	144	.flags = IMXUART_HAVE_RTSCTS,
	145	};
	146
4a9b8b0b	147	static const struct imxi2c_platform_data moboard_i2c0_data __initconst = {
4ec6ecc7 VL	148	.bitrate = 400000,
	149	};
	150
4a9b8b0b	151	static const struct imxi2c_platform_data moboard_i2c1_data __initconst = {
4ec6ecc7 VL	152	.bitrate = 100000,
	153	};
	154
06606ff1	155	static const struct spi_imx_master moboard_spi1_pdata __initconst = {
fe1bd78b	156	.num_chipselect = 3,
65da9791 VL	157	};
	158
	159	static struct regulator_consumer_supply sdhc_consumers[] = {
	160	{
7f917a8d	161	.dev_name = "imx31-mmc.0",
65da9791 VL	162	.supply = "sdhc0_vcc",
	163	},
	164	{
7f917a8d	165	.dev_name = "imx31-mmc.1",
65da9791 VL	166	.supply = "sdhc1_vcc",
	167	},
	168	};
	169
	170	static struct regulator_init_data sdhc_vreg_data = {
	171	.constraints = {
	172	.min_uV = 2700000,
	173	.max_uV = 3000000,
	174	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE \|
	175	REGULATOR_CHANGE_MODE \| REGULATOR_CHANGE_STATUS,
	176	.valid_modes_mask = REGULATOR_MODE_NORMAL \|
	177	REGULATOR_MODE_FAST,
	178	.always_on = 0,
	179	.boot_on = 1,
	180	},
	181	.num_consumer_supplies = ARRAY_SIZE(sdhc_consumers),
	182	.consumer_supplies = sdhc_consumers,
	183	};
	184
	185	static struct regulator_consumer_supply cam_consumers[] = {
	186	{
afa77ef3 UKK	187	.dev_name = "mx3_camera.0",
afa77ef3 UKK	188	.supply = "cam_vcc",
65da9791 VL	189	},
	190	};
	191
	192	static struct regulator_init_data cam_vreg_data = {
	193	.constraints = {
	194	.min_uV = 2700000,
	195	.max_uV = 3000000,
	196	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE \|
	197	REGULATOR_CHANGE_MODE \| REGULATOR_CHANGE_STATUS,
	198	.valid_modes_mask = REGULATOR_MODE_NORMAL \|
	199	REGULATOR_MODE_FAST,
	200	.always_on = 0,
	201	.boot_on = 1,
	202	},
	203	.num_consumer_supplies = ARRAY_SIZE(cam_consumers),
	204	.consumer_supplies = cam_consumers,
	205	};
	206
5836372e	207	static struct mc13xxx_regulator_init_data moboard_regulators[] = {
65da9791	208	{
57c78e35	209	.id = MC13783_REG_VMMC1,
65da9791 VL	210	.init_data = &sdhc_vreg_data,
	211	},
	212	{
57c78e35	213	.id = MC13783_REG_VCAM,
65da9791 VL	214	.init_data = &cam_vreg_data,
	215	},
	216	};
	217
d3efa4ed	218	static struct mc13xxx_led_platform_data moboard_led[] = {
a7cca8ae PR	219	{
	220	.id = MC13783_LED_R1,
	221	.name = "coreboard-led-4:red",
a7cca8ae PR	222	},
	223	{
	224	.id = MC13783_LED_G1,
	225	.name = "coreboard-led-4:green",
a7cca8ae PR	226	},
	227	{
	228	.id = MC13783_LED_B1,
	229	.name = "coreboard-led-4:blue",
a7cca8ae PR	230	},
	231	{
	232	.id = MC13783_LED_R2,
	233	.name = "coreboard-led-5:red",
a7cca8ae PR	234	},
	235	{
	236	.id = MC13783_LED_G2,
	237	.name = "coreboard-led-5:green",
a7cca8ae PR	238	},
	239	{
	240	.id = MC13783_LED_B2,
	241	.name = "coreboard-led-5:blue",
a7cca8ae PR	242	},
	243	};
	244
d3efa4ed	245	static struct mc13xxx_leds_platform_data moboard_leds = {
a7cca8ae PR	246	.num_leds = ARRAY_SIZE(moboard_led),
a7cca8ae PR	247	.led = moboard_led,
9d263813 AS	248	.led_control[0] = MC13783_LED_C0_ENABLE \| MC13783_LED_C0_ABMODE(0),
	249	.led_control[1] = MC13783_LED_C1_SLEWLIM,
	250	.led_control[2] = MC13783_LED_C2_SLEWLIM,
01a7a063 AS	251	.led_control[3] = MC13783_LED_C3_PERIOD(0) \|
	252	MC13783_LED_C3_CURRENT_R1(2) \|
	253	MC13783_LED_C3_CURRENT_G1(2) \|
	254	MC13783_LED_C3_CURRENT_B1(2),
	255	.led_control[4] = MC13783_LED_C4_PERIOD(0) \|
	256	MC13783_LED_C4_CURRENT_R2(3) \|
	257	MC13783_LED_C4_CURRENT_G2(3) \|
	258	MC13783_LED_C4_CURRENT_B2(3),
a7cca8ae PR	259	};
a7cca8ae PR	260
d3efa4ed	261	static struct mc13xxx_buttons_platform_data moboard_buttons = {
1f08c112 PR	262	.b1on_flags = MC13783_BUTTON_DBNC_750MS \| MC13783_BUTTON_ENABLE \|
	263	MC13783_BUTTON_POL_INVERT,
	264	.b1on_key = KEY_POWER,
	265	};
	266
2f7b9451 PR	267	static struct mc13xxx_codec_platform_data moboard_codec = {
	268	.dac_ssi_port = MC13783_SSI1_PORT,
	269	.adc_ssi_port = MC13783_SSI1_PORT,
	270	};
	271
5836372e	272	static struct mc13xxx_platform_data moboard_pmic = {
4ec1b54c AS	273	.regulators = {
	274	.regulators = moboard_regulators,
	275	.num_regulators = ARRAY_SIZE(moboard_regulators),
	276	},
a7cca8ae	277	.leds = &moboard_leds,
1f08c112	278	.buttons = &moboard_buttons,
2f7b9451 PR	279	.codec = &moboard_codec,
	280	.flags = MC13XXX_USE_RTC \| MC13XXX_USE_ADC \| MC13XXX_USE_CODEC,
	281	};
	282
	283	static struct imx_ssi_platform_data moboard_ssi_pdata = {
	284	.flags = IMX_SSI_DMA \| IMX_SSI_NET,
65da9791 VL	285	};
	286
	287	static struct spi_board_info moboard_spi_board_info[] __initdata = {
	288	{
	289	.modalias = "mc13783",
ed175343	290	/* irq number is run-time assigned */
65da9791 VL	291	.max_speed_hz = 300000,
65da9791 VL	292	.bus_num = 1,
fe1bd78b	293	.chip_select = 0,
65da9791 VL	294	.platform_data = &moboard_pmic,
	295	.mode = SPI_CS_HIGH,
	296	},
65da9791 VL	297	};
65da9791 VL	298
06606ff1	299	static const struct spi_imx_master moboard_spi2_pdata __initconst = {
fe1bd78b	300	.num_chipselect = 2,
65da9791 VL	301	};
65da9791 VL	302
45b131a7 VL	303	#define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0)
	304	#define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1)
	305
	306	static int moboard_sdhc1_get_ro(struct device *dev)
	307	{
563abb4b	308	return !gpio_get_value(SDHC1_WP);
45b131a7 VL	309	}
	310
	311	static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
	312	void *data)
	313	{
4f163eb8 SH	314	int ret;
	315
	316	ret = gpio_request(SDHC1_CD, "sdhc-detect");
	317	if (ret)
	318	return ret;
	319
	320	gpio_direction_input(SDHC1_CD);
	321
	322	ret = gpio_request(SDHC1_WP, "sdhc-wp");
	323	if (ret)
	324	goto err_gpio_free;
	325	gpio_direction_input(SDHC1_WP);
	326
	327	ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq,
45b131a7 VL	328	IRQF_TRIGGER_RISING \| IRQF_TRIGGER_FALLING,
45b131a7 VL	329	"sdhc1-card-detect", data);
4f163eb8 SH	330	if (ret)
	331	goto err_gpio_free_2;
	332
	333	return 0;
	334
	335	err_gpio_free_2:
	336	gpio_free(SDHC1_WP);
	337	err_gpio_free:
	338	gpio_free(SDHC1_CD);
	339
	340	return ret;
45b131a7 VL	341	}
	342
	343	static void moboard_sdhc1_exit(struct device dev, void data)
	344	{
	345	free_irq(gpio_to_irq(SDHC1_CD), data);
4f163eb8 SH	346	gpio_free(SDHC1_WP);
4f163eb8 SH	347	gpio_free(SDHC1_CD);
45b131a7 VL	348	}
45b131a7 VL	349
6a697e3d	350	static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
45b131a7 VL	351	.get_ro = moboard_sdhc1_get_ro,
	352	.init = moboard_sdhc1_init,
	353	.exit = moboard_sdhc1_exit,
	354	};
	355
b23f1534 VL	356	/*
	357	* this pin is dedicated for all mx31moboard systems, so we do it here
	358	*/
	359	#define USB_RESET_B IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)
88b05647	360	#define USB_PAD_CFG (PAD_CTL_DRV_MAX \| PAD_CTL_SRE_FAST \| PAD_CTL_HYS_CMOS \| \
25783602	361	PAD_CTL_ODE_CMOS)
88b05647 VL	362
88b05647 VL	363	#define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
25783602	364	#define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)
88b05647	365
25783602	366	static void usb_xcvr_reset(void)
88b05647	367	{
25783602 PR	368	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG \| PAD_CTL_100K_PD);
	369	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG \| PAD_CTL_100K_PD);
	370	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG \| PAD_CTL_100K_PD);
	371	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG \| PAD_CTL_100K_PD);
	372	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG \| PAD_CTL_100K_PD);
	373	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG \| PAD_CTL_100K_PD);
	374	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG \| PAD_CTL_100K_PD);
	375	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG \| PAD_CTL_100K_PD);
	376	mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG \| PAD_CTL_100K_PU);
	377	mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG \| PAD_CTL_100K_PU);
	378	mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG \| PAD_CTL_100K_PU);
	379	mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG \| PAD_CTL_100K_PU);
	380
	381	mxc_iomux_set_gpr(MUX_PGP_UH2, true);
	382	mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG \| PAD_CTL_100K_PU);
	383	mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG \| PAD_CTL_100K_PU);
	384	mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG \| PAD_CTL_100K_PU);
	385	mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG \| PAD_CTL_100K_PU);
	386	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG \| PAD_CTL_100K_PD);
	387	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG \| PAD_CTL_100K_PD);
	388	mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG \| PAD_CTL_100K_PD);
	389	mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG \| PAD_CTL_100K_PD);
	390	mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG \| PAD_CTL_100K_PD);
	391	mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG \| PAD_CTL_100K_PD);
	392	mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG \| PAD_CTL_100K_PD);
	393	mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG \| PAD_CTL_100K_PD);
88b05647 VL	394
	395	gpio_request(OTG_EN_B, "usb-udc-en");
	396	gpio_direction_output(OTG_EN_B, 0);
25783602 PR	397	gpio_request(USBH2_EN_B, "usbh2-en");
	398	gpio_direction_output(USBH2_EN_B, 0);
	399
	400	gpio_request(USB_RESET_B, "usb-reset");
	401	gpio_direction_output(USB_RESET_B, 0);
	402	mdelay(1);
	403	gpio_set_value(USB_RESET_B, 1);
	404	mdelay(1);
88b05647 VL	405	}
88b05647 VL	406
4bd597b6 SH	407	static int moboard_usbh2_init_hw(struct platform_device *pdev)
	408	{
	409	return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
	410	}
f9ffaa9c	411
2d58de28	412	static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
4bd597b6	413	.init = moboard_usbh2_init_hw,
d67d1075	414	.portsc = MXC_EHCI_MODE_ULPI \| MXC_EHCI_UTMI_8BIT,
d67d1075 VL	415	};
	416
	417	static int __init moboard_usbh2_init(void)
	418	{
2d58de28 UKK	419	struct platform_device *pdev;
2d58de28 UKK	420
48f6b099 SH	421	usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS \|
	422	ULPI_OTG_DRVVBUS_EXT);
	423	if (!usbh2_pdata.otg)
	424	return -ENODEV;
d67d1075	425
2d58de28	426	pdev = imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
2d58de28	427
d3a22442	428	return PTR_ERR_OR_ZERO(pdev);
d67d1075	429	}
d67d1075	430
47e837b5	431	static const struct gpio_led mx31moboard_leds[] __initconst = {
77aa561d	432	{
27ad4bf7	433	.name = "coreboard-led-0:red:running",
77aa561d	434	.default_trigger = "heartbeat",
27ad4bf7	435	.gpio = IOMUX_TO_GPIO(MX31_PIN_SVEN0),
77aa561d VL	436	}, {
	437	.name = "coreboard-led-1:red",
	438	.gpio = IOMUX_TO_GPIO(MX31_PIN_STX0),
	439	}, {
	440	.name = "coreboard-led-2:red",
	441	.gpio = IOMUX_TO_GPIO(MX31_PIN_SRX0),
	442	}, {
	443	.name = "coreboard-led-3:red",
	444	.gpio = IOMUX_TO_GPIO(MX31_PIN_SIMPD0),
	445	},
	446	};
	447
47e837b5	448	static const struct gpio_led_platform_data mx31moboard_led_pdata __initconst = {
27ad4bf7	449	.num_leds = ARRAY_SIZE(mx31moboard_leds),
77aa561d VL	450	.leds = mx31moboard_leds,
	451	};
	452
988d2d49 VL	453	static struct platform_device *devices[] __initdata = {
	454	&mx31moboard_flash,
	455	};
	456
afa77ef3	457	static struct mx3_camera_pdata camera_pdata __initdata = {
04ea3c80 VL	458	.flags = MX3_CAMERA_DATAWIDTH_8 \| MX3_CAMERA_DATAWIDTH_10,
	459	.mclk_10khz = 4800,
	460	};
	461
031e9127 UKK	462	static phys_addr_t mx3_camera_base __initdata;
031e9127 UKK	463	#define MX3_CAMERA_BUF_SIZE SZ_4M
04ea3c80	464
afa77ef3	465	static int __init mx31moboard_init_cam(void)
04ea3c80	466	{
edeb8e4c	467	int ret;
afa77ef3 UKK	468	struct platform_device *pdev;
afa77ef3 UKK	469
88289c80	470	imx31_add_ipu_core();
04ea3c80	471
afa77ef3 UKK	472	pdev = imx31_alloc_mx3_camera(&camera_pdata);
	473	if (IS_ERR(pdev))
	474	return PTR_ERR(pdev);
04ea3c80	475
2436bdcd CH	476	ret = dma_declare_coherent_memory(&pdev->dev,
2436bdcd CH	477	mx3_camera_base, mx3_camera_base,
82c5de0a	478	MX3_CAMERA_BUF_SIZE);
2436bdcd	479	if (ret)
afa77ef3 UKK	480	goto err;
	481
	482	ret = platform_device_add(pdev);
	483	if (ret)
	484	err:
	485	platform_device_put(pdev);
	486
	487	return ret;
04ea3c80	488
04ea3c80 VL	489	}
04ea3c80 VL	490
40d97b89 PR	491	static void mx31moboard_poweroff(void)
	492	{
	493	struct clk *clk = clk_get_sys("imx2-wdt.0", NULL);
	494
	495	if (!IS_ERR(clk))
8186064c	496	clk_prepare_enable(clk);
40d97b89 PR	497
	498	mxc_iomux_mode(MX31_PIN_WATCHDOG_RST__WATCHDOG_RST);
	499
c553138f	500	imx_writew(1 << 6 \| 1 << 2, MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
40d97b89 PR	501	}
40d97b89 PR	502
e00f0b4a VL	503	static int mx31moboard_baseboard;
	504	core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);
	505
988d2d49 VL	506	/*
	507	* Board specific initialization.
	508	*/
e134fb2b	509	static void __init mx31moboard_init(void)
988d2d49	510	{
b78d8e59 SG	511	imx31_soc_init();
b78d8e59 SG	512
220bbcea VL	513	mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins),
	514	"moboard");
	515
988d2d49 VL	516	platform_add_devices(devices, ARRAY_SIZE(devices));
988d2d49 VL	517
bec31a85	518	imx31_add_imx2_wdt();
31776fbc	519
16cf5c41 UKK	520	imx31_add_imx_uart0(&uart0_pdata);
16cf5c41 UKK	521	imx31_add_imx_uart4(&uart4_pdata);
e00f0b4a	522
4a9b8b0b UKK	523	imx31_add_imx_i2c0(&moboard_i2c0_data);
4a9b8b0b UKK	524	imx31_add_imx_i2c1(&moboard_i2c1_data);
4ec6ecc7	525
06606ff1 UKK	526	imx31_add_spi_imx1(&moboard_spi1_pdata);
06606ff1 UKK	527	imx31_add_spi_imx2(&moboard_spi2_pdata);
65da9791	528
1cecfa48 VZ	529	mx31moboard_init_cam();
	530
	531	imx31_add_imx_ssi(0, &moboard_ssi_pdata);
	532
	533	pm_power_off = mx31moboard_poweroff;
	534	}
	535
	536	static void __init mx31moboard_late(void)
	537	{
	538	gpio_led_register_device(-1, &mx31moboard_led_pdata);
	539
	540	moboard_uart0_init();
	541
65da9791 VL	542	gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq");
65da9791 VL	543	gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
ed175343 SG	544	moboard_spi_board_info[0].irq =
ed175343 SG	545	gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
65da9791 VL	546	spi_register_board_info(moboard_spi_board_info,
	547	ARRAY_SIZE(moboard_spi_board_info));
	548
6a697e3d	549	imx31_add_mxc_mmc(0, &sdhc1_pdata);
45b131a7	550
b23f1534	551	usb_xcvr_reset();
d67d1075	552	moboard_usbh2_init();
88b05647	553
2f7b9451 PR	554	imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0);
2f7b9451 PR	555
e00f0b4a VL	556	switch (mx31moboard_baseboard) {
	557	case MX31NOBOARD:
	558	break;
	559	case MX31DEVBOARD:
	560	mx31moboard_devboard_init();
	561	break;
	562	case MX31MARXBOT:
	563	mx31moboard_marxbot_init();
	564	break;
e335c75c	565	case MX31SMARTBOT:
3a47b1a4 PR	566	case MX31EYEBOT:
3a47b1a4 PR	567	mx31moboard_smartbot_init(mx31moboard_baseboard);
e335c75c	568	break;
e00f0b4a	569	default:
220bbcea VL	570	printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n",
220bbcea VL	571	mx31moboard_baseboard);
e00f0b4a	572	}
988d2d49 VL	573	}
988d2d49 VL	574
988d2d49 VL	575	static void __init mx31moboard_timer_init(void)
988d2d49 VL	576	{
30c730f8	577	mx31_clocks_init(26000000);
988d2d49 VL	578	}
988d2d49 VL	579
031e9127 UKK	580	static void __init mx31moboard_reserve(void)
	581	{
	582	/* reserve 4 MiB for mx3-camera */
716a3dc2	583	mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE,
031e9127	584	MX3_CAMERA_BUF_SIZE);
031e9127 UKK	585	}
031e9127 UKK	586
988d2d49	587	MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
0fbe6b07	588	/* Maintainer: Philippe Retornaz, EPFL Mobots group */
dc8f1907	589	.atag_offset = 0x100,
031e9127	590	.reserve = mx31moboard_reserve,
97976e22 UKK	591	.map_io = mx31_map_io,
	592	.init_early = imx31_init_early,
	593	.init_irq = mx31_init_irq,
6bb27d73	594	.init_time = mx31moboard_timer_init,
e134fb2b	595	.init_machine = mx31moboard_init,
1cecfa48	596	.init_late = mx31moboard_late,
65ea7884	597	.restart = mxc_restart,
988d2d49	598	MACHINE_END