[deliverable/linux.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 <mach/board-mx31moboard.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/iomux-mx3.h>
#include <mach/ulpi.h>

#include "devices-imx31.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,
};

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 int moboard_uart0_init(struct platform_device *pdev)
{
	int ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack");
	if (ret)
		return ret;

	ret = gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0);
	if (ret)
		gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));

	return ret;
}

static void moboard_uart0_exit(struct platform_device *pdev)
{
	gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
}

static const struct imxuart_platform_data uart0_pdata __initconst = {
	.init = moboard_uart0_init,
	.exit = moboard_uart0_exit,
};

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 int moboard_spi1_cs[] = {
	MXC_SPI_CS(0),
	MXC_SPI_CS(2),
};

static const struct spi_imx_master moboard_spi1_pdata __initconst = {
	.chipselect	= moboard_spi1_cs,
	.num_chipselect	= ARRAY_SIZE(moboard_spi1_cs),
};

static struct regulator_consumer_supply sdhc_consumers[] = {
	{
		.dev_name = "mxc-mmc.0",
		.supply	= "sdhc0_vcc",
	},
	{
		.dev_name = "mxc-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",
		.max_current = 2,
	},
	{
		.id = MC13783_LED_G1,
		.name = "coreboard-led-4:green",
		.max_current = 2,
	},
	{
		.id = MC13783_LED_B1,
		.name = "coreboard-led-4:blue",
		.max_current = 2,
	},
	{
		.id = MC13783_LED_R2,
		.name = "coreboard-led-5:red",
		.max_current = 3,
	},
	{
		.id = MC13783_LED_G2,
		.name = "coreboard-led-5:green",
		.max_current = 3,
	},
	{
		.id = MC13783_LED_B2,
		.name = "coreboard-led-5:blue",
		.max_current = 3,
	},
};

static struct mc13xxx_leds_platform_data moboard_leds = {
	.num_leds = ARRAY_SIZE(moboard_led),
	.led = moboard_led,
	.flags = MC13783_LED_SLEWLIMTC,
	.abmode = MC13783_LED_AB_DISABLED,
	.tc1_period = MC13783_LED_PERIOD_10MS,
	.tc2_period = MC13783_LED_PERIOD_10MS,
};

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_platform_data moboard_pmic = {
	.regulators = {
		.regulators = moboard_regulators,
		.num_regulators = ARRAY_SIZE(moboard_regulators),
	},
	.leds = &moboard_leds,
	.buttons = &moboard_buttons,
	.flags = MC13XXX_USE_RTC | MC13XXX_USE_ADC,
};

static struct spi_board_info moboard_spi_board_info[] __initdata = {
	{
		.modalias = "mc13783",
		.irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
		.max_speed_hz = 300000,
		.bus_num = 1,
		.chip_select = 0,
		.platform_data = &moboard_pmic,
		.mode = SPI_CS_HIGH,
	},
};

static int moboard_spi2_cs[] = {
	MXC_SPI_CS(1),
};

static const struct spi_imx_master moboard_spi2_pdata __initconst = {
	.chipselect	= moboard_spi2_cs,
	.num_chipselect	= ARRAY_SIZE(moboard_spi2_cs),
};

#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);
	if (IS_ERR(pdev))
		return PTR_ERR(pdev);

	return 0;
}

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 const struct ipu_platform_data mx3_ipu_data __initconst = {
	.irq_base = MXC_IPU_IRQ_START,
};

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 dma, ret = -ENOMEM;
	struct platform_device *pdev;

	imx31_add_ipu_core(&mx3_ipu_data);

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

	dma = dma_declare_coherent_memory(&pdev->dev,
					mx3_camera_base, mx3_camera_base,
					MX3_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 void mx31moboard_poweroff(void)
{
	struct clk *clk = clk_get_sys("imx2-wdt.0", NULL);

	if (!IS_ERR(clk))
		clk_enable(clk);

	mxc_iomux_mode(MX31_PIN_WATCHDOG_RST__WATCHDOG_RST);

	__raw_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));
	gpio_led_register_device(-1, &mx31moboard_led_pdata);

	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);

	gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq");
	gpio_direction_input(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);

	mx31moboard_init_cam();

	usb_xcvr_reset();

	moboard_usbh2_init();

	pm_power_off = mx31moboard_poweroff;

	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);
}

struct sys_timer mx31moboard_timer = {
	.init	= mx31moboard_timer_init,
};

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

MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
	/* Maintainer: Valentin Longchamp, EPFL Mobots group */
	.atag_offset = 0x100,
	.reserve = mx31moboard_reserve,
	.map_io = mx31_map_io,
	.init_early = imx31_init_early,
	.init_irq = mx31_init_irq,
	.handle_irq = imx31_handle_irq,
	.timer = &mx31moboard_timer,
	.init_machine = mx31moboard_init,
	.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>
220bbcea	44	#include <mach/board-mx31moboard.h>
988d2d49	45	#include <mach/common.h>
220bbcea	46	#include <mach/hardware.h>
988d2d49	47	#include <mach/iomux-mx3.h>
d67d1075	48	#include <mach/ulpi.h>
988d2d49	49
4a9b8b0b	50	#include "devices-imx31.h"
988d2d49	51
220bbcea VL	52	static unsigned int moboard_pins[] = {
220bbcea VL	53	/* UART0 */
220bbcea	54	MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1,
421bf82e	55	MX31_PIN_CTS1__GPIO2_7,
220bbcea VL	56	/* UART4 */
	57	MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5,
	58	MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5,
56c7a45b VL	59	/* I2C0 */
	60	MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL,
	61	/* I2C1 */
	62	MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL,
	63	/* SDHC1 */
	64	MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2,
	65	MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0,
	66	MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD,
	67	MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27,
b23f1534 VL	68	/* USB reset */
b23f1534 VL	69	MX31_PIN_GPIO1_0__GPIO1_0,
88b05647 VL	70	/* USB OTG */
	71	MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
	72	MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
	73	MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
	74	MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
	75	MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
	76	MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
	77	MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
	78	MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
	79	MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR,
	80	MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP,
	81	MX31_PIN_USB_OC__GPIO1_30,
d67d1075 VL	82	/* USB H2 */
	83	MX31_PIN_USBH2_DATA0__USBH2_DATA0,
	84	MX31_PIN_USBH2_DATA1__USBH2_DATA1,
	85	MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3,
	86	MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5,
	87	MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7,
	88	MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR,
	89	MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP,
	90	MX31_PIN_SCK6__GPIO1_25,
77aa561d VL	91	/* LEDs */
	92	MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1,
	93	MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3,
65da9791 VL	94	/* SPI1 */
	95	MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO,
	96	MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
	97	MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2,
	98	/* Atlas IRQ */
	99	MX31_PIN_GPIO1_3__GPIO1_3,
	100	/* SPI2 */
	101	MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO,
	102	MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY,
	103	MX31_PIN_CSPI2_SS1__CSPI3_SS1,
220bbcea VL	104	};
220bbcea VL	105
988d2d49	106	static struct physmap_flash_data mx31moboard_flash_data = {
27ad4bf7	107	.width = 2,
988d2d49 VL	108	};
	109
	110	static struct resource mx31moboard_flash_resource = {
	111	.start = 0xa0000000,
	112	.end = 0xa1ffffff,
	113	.flags = IORESOURCE_MEM,
	114	};
	115
	116	static struct platform_device mx31moboard_flash = {
	117	.name = "physmap-flash",
	118	.id = 0,
	119	.dev = {
	120	.platform_data = &mx31moboard_flash_data,
	121	},
	122	.resource = &mx31moboard_flash_resource,
	123	.num_resources = 1,
	124	};
	125
421bf82e VL	126	static int moboard_uart0_init(struct platform_device *pdev)
421bf82e VL	127	{
5109a459 UKK	128	int ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack");
	129	if (ret)
	130	return ret;
	131
	132	ret = gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0);
	133	if (ret)
	134	gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
	135
	136	return ret;
	137	}
	138
	139	static void moboard_uart0_exit(struct platform_device *pdev)
	140	{
	141	gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
421bf82e VL	142	}
421bf82e VL	143
16cf5c41	144	static const struct imxuart_platform_data uart0_pdata __initconst = {
421bf82e	145	.init = moboard_uart0_init,
5109a459	146	.exit = moboard_uart0_exit,
421bf82e VL	147	};
421bf82e VL	148
16cf5c41	149	static const struct imxuart_platform_data uart4_pdata __initconst = {
988d2d49 VL	150	.flags = IMXUART_HAVE_RTSCTS,
	151	};
	152
4a9b8b0b	153	static const struct imxi2c_platform_data moboard_i2c0_data __initconst = {
4ec6ecc7 VL	154	.bitrate = 400000,
	155	};
	156
4a9b8b0b	157	static const struct imxi2c_platform_data moboard_i2c1_data __initconst = {
4ec6ecc7 VL	158	.bitrate = 100000,
	159	};
	160
65da9791 VL	161	static int moboard_spi1_cs[] = {
	162	MXC_SPI_CS(0),
	163	MXC_SPI_CS(2),
	164	};
	165
06606ff1	166	static const struct spi_imx_master moboard_spi1_pdata __initconst = {
65da9791 VL	167	.chipselect = moboard_spi1_cs,
	168	.num_chipselect = ARRAY_SIZE(moboard_spi1_cs),
	169	};
	170
	171	static struct regulator_consumer_supply sdhc_consumers[] = {
	172	{
6a697e3d	173	.dev_name = "mxc-mmc.0",
65da9791 VL	174	.supply = "sdhc0_vcc",
	175	},
	176	{
6a697e3d	177	.dev_name = "mxc-mmc.1",
65da9791 VL	178	.supply = "sdhc1_vcc",
	179	},
	180	};
	181
	182	static struct regulator_init_data sdhc_vreg_data = {
	183	.constraints = {
	184	.min_uV = 2700000,
	185	.max_uV = 3000000,
	186	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE \|
	187	REGULATOR_CHANGE_MODE \| REGULATOR_CHANGE_STATUS,
	188	.valid_modes_mask = REGULATOR_MODE_NORMAL \|
	189	REGULATOR_MODE_FAST,
	190	.always_on = 0,
	191	.boot_on = 1,
	192	},
	193	.num_consumer_supplies = ARRAY_SIZE(sdhc_consumers),
	194	.consumer_supplies = sdhc_consumers,
	195	};
	196
	197	static struct regulator_consumer_supply cam_consumers[] = {
	198	{
afa77ef3 UKK	199	.dev_name = "mx3_camera.0",
afa77ef3 UKK	200	.supply = "cam_vcc",
65da9791 VL	201	},
	202	};
	203
	204	static struct regulator_init_data cam_vreg_data = {
	205	.constraints = {
	206	.min_uV = 2700000,
	207	.max_uV = 3000000,
	208	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE \|
	209	REGULATOR_CHANGE_MODE \| REGULATOR_CHANGE_STATUS,
	210	.valid_modes_mask = REGULATOR_MODE_NORMAL \|
	211	REGULATOR_MODE_FAST,
	212	.always_on = 0,
	213	.boot_on = 1,
	214	},
	215	.num_consumer_supplies = ARRAY_SIZE(cam_consumers),
	216	.consumer_supplies = cam_consumers,
	217	};
	218
5836372e	219	static struct mc13xxx_regulator_init_data moboard_regulators[] = {
65da9791	220	{
57c78e35	221	.id = MC13783_REG_VMMC1,
65da9791 VL	222	.init_data = &sdhc_vreg_data,
	223	},
	224	{
57c78e35	225	.id = MC13783_REG_VCAM,
65da9791 VL	226	.init_data = &cam_vreg_data,
	227	},
	228	};
	229
d3efa4ed	230	static struct mc13xxx_led_platform_data moboard_led[] = {
a7cca8ae PR	231	{
	232	.id = MC13783_LED_R1,
	233	.name = "coreboard-led-4:red",
	234	.max_current = 2,
	235	},
	236	{
	237	.id = MC13783_LED_G1,
	238	.name = "coreboard-led-4:green",
	239	.max_current = 2,
	240	},
	241	{
	242	.id = MC13783_LED_B1,
	243	.name = "coreboard-led-4:blue",
	244	.max_current = 2,
	245	},
	246	{
	247	.id = MC13783_LED_R2,
	248	.name = "coreboard-led-5:red",
	249	.max_current = 3,
	250	},
	251	{
	252	.id = MC13783_LED_G2,
	253	.name = "coreboard-led-5:green",
	254	.max_current = 3,
	255	},
	256	{
	257	.id = MC13783_LED_B2,
	258	.name = "coreboard-led-5:blue",
	259	.max_current = 3,
	260	},
	261	};
	262
d3efa4ed	263	static struct mc13xxx_leds_platform_data moboard_leds = {
a7cca8ae PR	264	.num_leds = ARRAY_SIZE(moboard_led),
	265	.led = moboard_led,
	266	.flags = MC13783_LED_SLEWLIMTC,
	267	.abmode = MC13783_LED_AB_DISABLED,
	268	.tc1_period = MC13783_LED_PERIOD_10MS,
	269	.tc2_period = MC13783_LED_PERIOD_10MS,
	270	};
	271
d3efa4ed	272	static struct mc13xxx_buttons_platform_data moboard_buttons = {
1f08c112 PR	273	.b1on_flags = MC13783_BUTTON_DBNC_750MS \| MC13783_BUTTON_ENABLE \|
	274	MC13783_BUTTON_POL_INVERT,
	275	.b1on_key = KEY_POWER,
	276	};
	277
5836372e	278	static struct mc13xxx_platform_data moboard_pmic = {
4ec1b54c AS	279	.regulators = {
	280	.regulators = moboard_regulators,
	281	.num_regulators = ARRAY_SIZE(moboard_regulators),
	282	},
a7cca8ae	283	.leds = &moboard_leds,
1f08c112	284	.buttons = &moboard_buttons,
46621ebb	285	.flags = MC13XXX_USE_RTC \| MC13XXX_USE_ADC,
65da9791 VL	286	};
	287
	288	static struct spi_board_info moboard_spi_board_info[] __initdata = {
	289	{
	290	.modalias = "mc13783",
	291	.irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
	292	.max_speed_hz = 300000,
	293	.bus_num = 1,
	294	.chip_select = 0,
	295	.platform_data = &moboard_pmic,
	296	.mode = SPI_CS_HIGH,
	297	},
65da9791 VL	298	};
	299
	300	static int moboard_spi2_cs[] = {
	301	MXC_SPI_CS(1),
	302	};
	303
06606ff1	304	static const struct spi_imx_master moboard_spi2_pdata __initconst = {
65da9791 VL	305	.chipselect = moboard_spi2_cs,
	306	.num_chipselect = ARRAY_SIZE(moboard_spi2_cs),
	307	};
	308
45b131a7 VL	309	#define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0)
	310	#define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1)
	311
	312	static int moboard_sdhc1_get_ro(struct device *dev)
	313	{
563abb4b	314	return !gpio_get_value(SDHC1_WP);
45b131a7 VL	315	}
	316
	317	static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
	318	void *data)
	319	{
4f163eb8 SH	320	int ret;
	321
	322	ret = gpio_request(SDHC1_CD, "sdhc-detect");
	323	if (ret)
	324	return ret;
	325
	326	gpio_direction_input(SDHC1_CD);
	327
	328	ret = gpio_request(SDHC1_WP, "sdhc-wp");
	329	if (ret)
	330	goto err_gpio_free;
	331	gpio_direction_input(SDHC1_WP);
	332
	333	ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq,
45b131a7 VL	334	IRQF_TRIGGER_RISING \| IRQF_TRIGGER_FALLING,
45b131a7 VL	335	"sdhc1-card-detect", data);
4f163eb8 SH	336	if (ret)
	337	goto err_gpio_free_2;
	338
	339	return 0;
	340
	341	err_gpio_free_2:
	342	gpio_free(SDHC1_WP);
	343	err_gpio_free:
	344	gpio_free(SDHC1_CD);
	345
	346	return ret;
45b131a7 VL	347	}
	348
	349	static void moboard_sdhc1_exit(struct device dev, void data)
	350	{
	351	free_irq(gpio_to_irq(SDHC1_CD), data);
4f163eb8 SH	352	gpio_free(SDHC1_WP);
4f163eb8 SH	353	gpio_free(SDHC1_CD);
45b131a7 VL	354	}
45b131a7 VL	355
6a697e3d	356	static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
45b131a7 VL	357	.get_ro = moboard_sdhc1_get_ro,
	358	.init = moboard_sdhc1_init,
	359	.exit = moboard_sdhc1_exit,
	360	};
	361
b23f1534 VL	362	/*
	363	* this pin is dedicated for all mx31moboard systems, so we do it here
	364	*/
	365	#define USB_RESET_B IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)
88b05647	366	#define USB_PAD_CFG (PAD_CTL_DRV_MAX \| PAD_CTL_SRE_FAST \| PAD_CTL_HYS_CMOS \| \
25783602	367	PAD_CTL_ODE_CMOS)
88b05647 VL	368
88b05647 VL	369	#define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
25783602	370	#define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)
88b05647	371
25783602	372	static void usb_xcvr_reset(void)
88b05647	373	{
25783602 PR	374	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG \| PAD_CTL_100K_PD);
	375	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG \| PAD_CTL_100K_PD);
	376	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG \| PAD_CTL_100K_PD);
	377	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG \| PAD_CTL_100K_PD);
	378	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG \| PAD_CTL_100K_PD);
	379	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG \| PAD_CTL_100K_PD);
	380	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG \| PAD_CTL_100K_PD);
	381	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG \| PAD_CTL_100K_PD);
	382	mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG \| PAD_CTL_100K_PU);
	383	mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG \| PAD_CTL_100K_PU);
	384	mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG \| PAD_CTL_100K_PU);
	385	mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG \| PAD_CTL_100K_PU);
	386
	387	mxc_iomux_set_gpr(MUX_PGP_UH2, true);
	388	mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG \| PAD_CTL_100K_PU);
	389	mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG \| PAD_CTL_100K_PU);
	390	mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG \| PAD_CTL_100K_PU);
	391	mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG \| PAD_CTL_100K_PU);
	392	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG \| PAD_CTL_100K_PD);
	393	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG \| PAD_CTL_100K_PD);
	394	mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG \| PAD_CTL_100K_PD);
	395	mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG \| PAD_CTL_100K_PD);
	396	mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG \| PAD_CTL_100K_PD);
	397	mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG \| PAD_CTL_100K_PD);
	398	mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG \| PAD_CTL_100K_PD);
	399	mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG \| PAD_CTL_100K_PD);
88b05647 VL	400
	401	gpio_request(OTG_EN_B, "usb-udc-en");
	402	gpio_direction_output(OTG_EN_B, 0);
25783602 PR	403	gpio_request(USBH2_EN_B, "usbh2-en");
	404	gpio_direction_output(USBH2_EN_B, 0);
	405
	406	gpio_request(USB_RESET_B, "usb-reset");
	407	gpio_direction_output(USB_RESET_B, 0);
	408	mdelay(1);
	409	gpio_set_value(USB_RESET_B, 1);
	410	mdelay(1);
88b05647 VL	411	}
88b05647 VL	412
4bd597b6 SH	413	static int moboard_usbh2_init_hw(struct platform_device *pdev)
	414	{
	415	return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
	416	}
f9ffaa9c	417
2d58de28	418	static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
4bd597b6	419	.init = moboard_usbh2_init_hw,
d67d1075	420	.portsc = MXC_EHCI_MODE_ULPI \| MXC_EHCI_UTMI_8BIT,
d67d1075 VL	421	};
	422
	423	static int __init moboard_usbh2_init(void)
	424	{
2d58de28 UKK	425	struct platform_device *pdev;
2d58de28 UKK	426
48f6b099 SH	427	usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS \|
	428	ULPI_OTG_DRVVBUS_EXT);
	429	if (!usbh2_pdata.otg)
	430	return -ENODEV;
d67d1075	431
2d58de28 UKK	432	pdev = imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
	433	if (IS_ERR(pdev))
	434	return PTR_ERR(pdev);
	435
	436	return 0;
d67d1075	437	}
d67d1075	438
47e837b5	439	static const struct gpio_led mx31moboard_leds[] __initconst = {
77aa561d	440	{
27ad4bf7	441	.name = "coreboard-led-0:red:running",
77aa561d	442	.default_trigger = "heartbeat",
27ad4bf7	443	.gpio = IOMUX_TO_GPIO(MX31_PIN_SVEN0),
77aa561d VL	444	}, {
	445	.name = "coreboard-led-1:red",
	446	.gpio = IOMUX_TO_GPIO(MX31_PIN_STX0),
	447	}, {
	448	.name = "coreboard-led-2:red",
	449	.gpio = IOMUX_TO_GPIO(MX31_PIN_SRX0),
	450	}, {
	451	.name = "coreboard-led-3:red",
	452	.gpio = IOMUX_TO_GPIO(MX31_PIN_SIMPD0),
	453	},
	454	};
	455
47e837b5	456	static const struct gpio_led_platform_data mx31moboard_led_pdata __initconst = {
27ad4bf7	457	.num_leds = ARRAY_SIZE(mx31moboard_leds),
77aa561d VL	458	.leds = mx31moboard_leds,
	459	};
	460
afa77ef3	461	static const struct ipu_platform_data mx3_ipu_data __initconst = {
4dd71293 VL	462	.irq_base = MXC_IPU_IRQ_START,
	463	};
	464
988d2d49 VL	465	static struct platform_device *devices[] __initdata = {
	466	&mx31moboard_flash,
	467	};
	468
afa77ef3	469	static struct mx3_camera_pdata camera_pdata __initdata = {
04ea3c80 VL	470	.flags = MX3_CAMERA_DATAWIDTH_8 \| MX3_CAMERA_DATAWIDTH_10,
	471	.mclk_10khz = 4800,
	472	};
	473
031e9127 UKK	474	static phys_addr_t mx3_camera_base __initdata;
031e9127 UKK	475	#define MX3_CAMERA_BUF_SIZE SZ_4M
04ea3c80	476
afa77ef3	477	static int __init mx31moboard_init_cam(void)
04ea3c80	478	{
afa77ef3 UKK	479	int dma, ret = -ENOMEM;
	480	struct platform_device *pdev;
	481
	482	imx31_add_ipu_core(&mx3_ipu_data);
04ea3c80	483
afa77ef3 UKK	484	pdev = imx31_alloc_mx3_camera(&camera_pdata);
	485	if (IS_ERR(pdev))
	486	return PTR_ERR(pdev);
04ea3c80	487
afa77ef3	488	dma = dma_declare_coherent_memory(&pdev->dev,
031e9127 UKK	489	mx3_camera_base, mx3_camera_base,
031e9127 UKK	490	MX3_CAMERA_BUF_SIZE,
04ea3c80	491	DMA_MEMORY_MAP \| DMA_MEMORY_EXCLUSIVE);
afa77ef3 UKK	492	if (!(dma & DMA_MEMORY_MAP))
	493	goto err;
	494
	495	ret = platform_device_add(pdev);
	496	if (ret)
	497	err:
	498	platform_device_put(pdev);
	499
	500	return ret;
04ea3c80	501
04ea3c80 VL	502	}
04ea3c80 VL	503
40d97b89 PR	504	static void mx31moboard_poweroff(void)
	505	{
	506	struct clk *clk = clk_get_sys("imx2-wdt.0", NULL);
	507
	508	if (!IS_ERR(clk))
	509	clk_enable(clk);
	510
	511	mxc_iomux_mode(MX31_PIN_WATCHDOG_RST__WATCHDOG_RST);
	512
	513	__raw_writew(1 << 6 \| 1 << 2, MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
	514	}
	515
e00f0b4a VL	516	static int mx31moboard_baseboard;
	517	core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);
	518
988d2d49 VL	519	/*
	520	* Board specific initialization.
	521	*/
e134fb2b	522	static void __init mx31moboard_init(void)
988d2d49	523	{
b78d8e59 SG	524	imx31_soc_init();
b78d8e59 SG	525
220bbcea VL	526	mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins),
	527	"moboard");
	528
988d2d49	529	platform_add_devices(devices, ARRAY_SIZE(devices));
47e837b5	530	gpio_led_register_device(-1, &mx31moboard_led_pdata);
988d2d49	531
16cf5c41 UKK	532	imx31_add_imx_uart0(&uart0_pdata);
16cf5c41 UKK	533	imx31_add_imx_uart4(&uart4_pdata);
e00f0b4a	534
4a9b8b0b UKK	535	imx31_add_imx_i2c0(&moboard_i2c0_data);
4a9b8b0b UKK	536	imx31_add_imx_i2c1(&moboard_i2c1_data);
4ec6ecc7	537
06606ff1 UKK	538	imx31_add_spi_imx1(&moboard_spi1_pdata);
06606ff1 UKK	539	imx31_add_spi_imx2(&moboard_spi2_pdata);
65da9791 VL	540
	541	gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq");
	542	gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
	543	spi_register_board_info(moboard_spi_board_info,
	544	ARRAY_SIZE(moboard_spi_board_info));
	545
6a697e3d	546	imx31_add_mxc_mmc(0, &sdhc1_pdata);
45b131a7	547
afa77ef3	548	mx31moboard_init_cam();
4dd71293	549
b23f1534 VL	550	usb_xcvr_reset();
b23f1534 VL	551
d67d1075	552	moboard_usbh2_init();
88b05647	553
40d97b89 PR	554	pm_power_off = mx31moboard_poweroff;
40d97b89 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	}
	579
	580	struct sys_timer mx31moboard_timer = {
	581	.init = mx31moboard_timer_init,
	582	};
	583
031e9127 UKK	584	static void __init mx31moboard_reserve(void)
	585	{
	586	/* reserve 4 MiB for mx3-camera */
	587	mx3_camera_base = memblock_alloc(MX3_CAMERA_BUF_SIZE,
	588	MX3_CAMERA_BUF_SIZE);
	589	memblock_free(mx3_camera_base, MX3_CAMERA_BUF_SIZE);
	590	memblock_remove(mx3_camera_base, MX3_CAMERA_BUF_SIZE);
	591	}
	592
988d2d49 VL	593	MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
988d2d49 VL	594	/* Maintainer: Valentin Longchamp, EPFL Mobots group */
dc8f1907	595	.atag_offset = 0x100,
031e9127	596	.reserve = mx31moboard_reserve,
97976e22 UKK	597	.map_io = mx31_map_io,
	598	.init_early = imx31_init_early,
	599	.init_irq = mx31_init_irq,
ffa2ea3f	600	.handle_irq = imx31_handle_irq,
97976e22	601	.timer = &mx31moboard_timer,
e134fb2b	602	.init_machine = mx31moboard_init,
65ea7884	603	.restart = mxc_restart,
988d2d49	604	MACHINE_END