[linux-2.6-block.git] / arch / arm / mach-imx / mach-mx31moboard.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  Copyright (C) 2008 Valentin Longchamp, EPFL Mobots group
 */

#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
c942fddf	1	// SPDX-License-Identifier: GPL-2.0-or-later
988d2d49 VL	2	/*
988d2d49 VL	3	* Copyright (C) 2008 Valentin Longchamp, EPFL Mobots group
988d2d49 VL	4	*/
988d2d49 VL	5
b23f1534	6	#include <linux/delay.h>
04ea3c80	7	#include <linux/dma-mapping.h>
5a0e3ad6	8	#include <linux/gfp.h>
45b131a7	9	#include <linux/gpio.h>
988d2d49	10	#include <linux/init.h>
45b131a7	11	#include <linux/interrupt.h>
9e907416	12	#include <linux/moduleparam.h>
77aa561d	13	#include <linux/leds.h>
220bbcea	14	#include <linux/memory.h>
988d2d49 VL	15	#include <linux/mtd/physmap.h>
988d2d49 VL	16	#include <linux/mtd/partitions.h>
220bbcea	17	#include <linux/platform_device.h>
65da9791 VL	18	#include <linux/regulator/machine.h>
	19	#include <linux/mfd/mc13783.h>
	20	#include <linux/spi/spi.h>
220bbcea	21	#include <linux/types.h>
031e9127	22	#include <linux/memblock.h>
40d97b89 PR	23	#include <linux/clk.h>
	24	#include <linux/io.h>
	25	#include <linux/err.h>
1f08c112	26	#include <linux/input.h>
988d2d49	27
d67d1075 VL	28	#include <linux/usb/otg.h>
	29	#include <linux/usb/ulpi.h>
	30
988d2d49 VL	31	#include <asm/mach-types.h>
	32	#include <asm/mach/arch.h>
	33	#include <asm/mach/time.h>
	34	#include <asm/mach/map.h>
716a3dc2	35	#include <asm/memblock.h>
82906b13	36	#include <linux/platform_data/asoc-imx-ssi.h>
988d2d49	37
3ed0bcb4	38	#include "board-mx31moboard.h"
e3372474	39	#include "common.h"
4a9b8b0b	40	#include "devices-imx31.h"
641dfe8b	41	#include "ehci.h"
50f2de61	42	#include "hardware.h"
267dd34c	43	#include "iomux-mx3.h"
39ef6340	44	#include "ulpi.h"
988d2d49	45
220bbcea VL	46	static unsigned int moboard_pins[] = {
220bbcea VL	47	/* UART0 */
220bbcea	48	MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1,
421bf82e	49	MX31_PIN_CTS1__GPIO2_7,
220bbcea VL	50	/* UART4 */
	51	MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5,
	52	MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5,
56c7a45b VL	53	/* I2C0 */
	54	MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL,
	55	/* I2C1 */
	56	MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL,
	57	/* SDHC1 */
	58	MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2,
	59	MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0,
	60	MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD,
	61	MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27,
b23f1534 VL	62	/* USB reset */
b23f1534 VL	63	MX31_PIN_GPIO1_0__GPIO1_0,
88b05647 VL	64	/* USB OTG */
	65	MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
	66	MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
	67	MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
	68	MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
	69	MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
	70	MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
	71	MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
	72	MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
	73	MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR,
	74	MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP,
	75	MX31_PIN_USB_OC__GPIO1_30,
d67d1075 VL	76	/* USB H2 */
	77	MX31_PIN_USBH2_DATA0__USBH2_DATA0,
	78	MX31_PIN_USBH2_DATA1__USBH2_DATA1,
	79	MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3,
	80	MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5,
	81	MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7,
	82	MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR,
	83	MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP,
	84	MX31_PIN_SCK6__GPIO1_25,
77aa561d VL	85	/* LEDs */
	86	MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1,
	87	MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3,
65da9791 VL	88	/* SPI1 */
	89	MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO,
	90	MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
	91	MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2,
	92	/* Atlas IRQ */
	93	MX31_PIN_GPIO1_3__GPIO1_3,
	94	/* SPI2 */
	95	MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO,
	96	MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY,
	97	MX31_PIN_CSPI2_SS1__CSPI3_SS1,
2f7b9451 PR	98	/* SSI */
	99	MX31_PIN_STXD4__STXD4, MX31_PIN_SRXD4__SRXD4,
	100	MX31_PIN_SCK4__SCK4, MX31_PIN_SFS4__SFS4,
220bbcea VL	101	};
220bbcea VL	102
988d2d49	103	static struct physmap_flash_data mx31moboard_flash_data = {
27ad4bf7	104	.width = 2,
988d2d49 VL	105	};
	106
	107	static struct resource mx31moboard_flash_resource = {
	108	.start = 0xa0000000,
	109	.end = 0xa1ffffff,
	110	.flags = IORESOURCE_MEM,
	111	};
	112
	113	static struct platform_device mx31moboard_flash = {
	114	.name = "physmap-flash",
	115	.id = 0,
	116	.dev = {
	117	.platform_data = &mx31moboard_flash_data,
	118	},
	119	.resource = &mx31moboard_flash_resource,
	120	.num_resources = 1,
	121	};
	122
45af780a	123	static void __init moboard_uart0_init(void)
421bf82e	124	{
45af780a AS	125	if (!gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack")) {
45af780a AS	126	gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0);
5109a459	127	gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
45af780a	128	}
421bf82e VL	129	}
421bf82e VL	130
16cf5c41	131	static const struct imxuart_platform_data uart0_pdata __initconst = {
421bf82e VL	132	};
421bf82e VL	133
16cf5c41	134	static const struct imxuart_platform_data uart4_pdata __initconst = {
988d2d49 VL	135	.flags = IMXUART_HAVE_RTSCTS,
	136	};
	137
4a9b8b0b	138	static const struct imxi2c_platform_data moboard_i2c0_data __initconst = {
4ec6ecc7 VL	139	.bitrate = 400000,
	140	};
	141
4a9b8b0b	142	static const struct imxi2c_platform_data moboard_i2c1_data __initconst = {
4ec6ecc7 VL	143	.bitrate = 100000,
	144	};
	145
06606ff1	146	static const struct spi_imx_master moboard_spi1_pdata __initconst = {
fe1bd78b	147	.num_chipselect = 3,
65da9791 VL	148	};
	149
	150	static struct regulator_consumer_supply sdhc_consumers[] = {
	151	{
7f917a8d	152	.dev_name = "imx31-mmc.0",
65da9791 VL	153	.supply = "sdhc0_vcc",
	154	},
	155	{
7f917a8d	156	.dev_name = "imx31-mmc.1",
65da9791 VL	157	.supply = "sdhc1_vcc",
	158	},
	159	};
	160
	161	static struct regulator_init_data sdhc_vreg_data = {
	162	.constraints = {
	163	.min_uV = 2700000,
	164	.max_uV = 3000000,
	165	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE \|
	166	REGULATOR_CHANGE_MODE \| REGULATOR_CHANGE_STATUS,
	167	.valid_modes_mask = REGULATOR_MODE_NORMAL \|
	168	REGULATOR_MODE_FAST,
	169	.always_on = 0,
	170	.boot_on = 1,
	171	},
	172	.num_consumer_supplies = ARRAY_SIZE(sdhc_consumers),
	173	.consumer_supplies = sdhc_consumers,
	174	};
	175
	176	static struct regulator_consumer_supply cam_consumers[] = {
	177	{
afa77ef3 UKK	178	.dev_name = "mx3_camera.0",
afa77ef3 UKK	179	.supply = "cam_vcc",
65da9791 VL	180	},
	181	};
	182
	183	static struct regulator_init_data cam_vreg_data = {
	184	.constraints = {
	185	.min_uV = 2700000,
	186	.max_uV = 3000000,
	187	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE \|
	188	REGULATOR_CHANGE_MODE \| REGULATOR_CHANGE_STATUS,
	189	.valid_modes_mask = REGULATOR_MODE_NORMAL \|
	190	REGULATOR_MODE_FAST,
	191	.always_on = 0,
	192	.boot_on = 1,
	193	},
	194	.num_consumer_supplies = ARRAY_SIZE(cam_consumers),
	195	.consumer_supplies = cam_consumers,
	196	};
	197
5836372e	198	static struct mc13xxx_regulator_init_data moboard_regulators[] = {
65da9791	199	{
57c78e35	200	.id = MC13783_REG_VMMC1,
65da9791 VL	201	.init_data = &sdhc_vreg_data,
	202	},
	203	{
57c78e35	204	.id = MC13783_REG_VCAM,
65da9791 VL	205	.init_data = &cam_vreg_data,
	206	},
	207	};
	208
d3efa4ed	209	static struct mc13xxx_led_platform_data moboard_led[] = {
a7cca8ae PR	210	{
	211	.id = MC13783_LED_R1,
	212	.name = "coreboard-led-4:red",
a7cca8ae PR	213	},
	214	{
	215	.id = MC13783_LED_G1,
	216	.name = "coreboard-led-4:green",
a7cca8ae PR	217	},
	218	{
	219	.id = MC13783_LED_B1,
	220	.name = "coreboard-led-4:blue",
a7cca8ae PR	221	},
	222	{
	223	.id = MC13783_LED_R2,
	224	.name = "coreboard-led-5:red",
a7cca8ae PR	225	},
	226	{
	227	.id = MC13783_LED_G2,
	228	.name = "coreboard-led-5:green",
a7cca8ae PR	229	},
	230	{
	231	.id = MC13783_LED_B2,
	232	.name = "coreboard-led-5:blue",
a7cca8ae PR	233	},
	234	};
	235
d3efa4ed	236	static struct mc13xxx_leds_platform_data moboard_leds = {
a7cca8ae PR	237	.num_leds = ARRAY_SIZE(moboard_led),
a7cca8ae PR	238	.led = moboard_led,
9d263813 AS	239	.led_control[0] = MC13783_LED_C0_ENABLE \| MC13783_LED_C0_ABMODE(0),
	240	.led_control[1] = MC13783_LED_C1_SLEWLIM,
	241	.led_control[2] = MC13783_LED_C2_SLEWLIM,
01a7a063 AS	242	.led_control[3] = MC13783_LED_C3_PERIOD(0) \|
	243	MC13783_LED_C3_CURRENT_R1(2) \|
	244	MC13783_LED_C3_CURRENT_G1(2) \|
	245	MC13783_LED_C3_CURRENT_B1(2),
	246	.led_control[4] = MC13783_LED_C4_PERIOD(0) \|
	247	MC13783_LED_C4_CURRENT_R2(3) \|
	248	MC13783_LED_C4_CURRENT_G2(3) \|
	249	MC13783_LED_C4_CURRENT_B2(3),
a7cca8ae PR	250	};
a7cca8ae PR	251
d3efa4ed	252	static struct mc13xxx_buttons_platform_data moboard_buttons = {
1f08c112 PR	253	.b1on_flags = MC13783_BUTTON_DBNC_750MS \| MC13783_BUTTON_ENABLE \|
	254	MC13783_BUTTON_POL_INVERT,
	255	.b1on_key = KEY_POWER,
	256	};
	257
2f7b9451 PR	258	static struct mc13xxx_codec_platform_data moboard_codec = {
	259	.dac_ssi_port = MC13783_SSI1_PORT,
	260	.adc_ssi_port = MC13783_SSI1_PORT,
	261	};
	262
5836372e	263	static struct mc13xxx_platform_data moboard_pmic = {
4ec1b54c AS	264	.regulators = {
	265	.regulators = moboard_regulators,
	266	.num_regulators = ARRAY_SIZE(moboard_regulators),
	267	},
a7cca8ae	268	.leds = &moboard_leds,
1f08c112	269	.buttons = &moboard_buttons,
2f7b9451 PR	270	.codec = &moboard_codec,
	271	.flags = MC13XXX_USE_RTC \| MC13XXX_USE_ADC \| MC13XXX_USE_CODEC,
	272	};
	273
	274	static struct imx_ssi_platform_data moboard_ssi_pdata = {
	275	.flags = IMX_SSI_DMA \| IMX_SSI_NET,
65da9791 VL	276	};
	277
	278	static struct spi_board_info moboard_spi_board_info[] __initdata = {
	279	{
	280	.modalias = "mc13783",
ed175343	281	/* irq number is run-time assigned */
65da9791 VL	282	.max_speed_hz = 300000,
65da9791 VL	283	.bus_num = 1,
fe1bd78b	284	.chip_select = 0,
65da9791 VL	285	.platform_data = &moboard_pmic,
	286	.mode = SPI_CS_HIGH,
	287	},
65da9791 VL	288	};
65da9791 VL	289
06606ff1	290	static const struct spi_imx_master moboard_spi2_pdata __initconst = {
fe1bd78b	291	.num_chipselect = 2,
65da9791 VL	292	};
65da9791 VL	293
45b131a7 VL	294	#define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0)
	295	#define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1)
	296
	297	static int moboard_sdhc1_get_ro(struct device *dev)
	298	{
563abb4b	299	return !gpio_get_value(SDHC1_WP);
45b131a7 VL	300	}
	301
	302	static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
	303	void *data)
	304	{
4f163eb8 SH	305	int ret;
	306
	307	ret = gpio_request(SDHC1_CD, "sdhc-detect");
	308	if (ret)
	309	return ret;
	310
	311	gpio_direction_input(SDHC1_CD);
	312
	313	ret = gpio_request(SDHC1_WP, "sdhc-wp");
	314	if (ret)
	315	goto err_gpio_free;
	316	gpio_direction_input(SDHC1_WP);
	317
	318	ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq,
45b131a7 VL	319	IRQF_TRIGGER_RISING \| IRQF_TRIGGER_FALLING,
45b131a7 VL	320	"sdhc1-card-detect", data);
4f163eb8 SH	321	if (ret)
	322	goto err_gpio_free_2;
	323
	324	return 0;
	325
	326	err_gpio_free_2:
	327	gpio_free(SDHC1_WP);
	328	err_gpio_free:
	329	gpio_free(SDHC1_CD);
	330
	331	return ret;
45b131a7 VL	332	}
	333
	334	static void moboard_sdhc1_exit(struct device dev, void data)
	335	{
	336	free_irq(gpio_to_irq(SDHC1_CD), data);
4f163eb8 SH	337	gpio_free(SDHC1_WP);
4f163eb8 SH	338	gpio_free(SDHC1_CD);
45b131a7 VL	339	}
45b131a7 VL	340
6a697e3d	341	static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
45b131a7 VL	342	.get_ro = moboard_sdhc1_get_ro,
	343	.init = moboard_sdhc1_init,
	344	.exit = moboard_sdhc1_exit,
	345	};
	346
b23f1534 VL	347	/*
	348	* this pin is dedicated for all mx31moboard systems, so we do it here
	349	*/
	350	#define USB_RESET_B IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)
88b05647	351	#define USB_PAD_CFG (PAD_CTL_DRV_MAX \| PAD_CTL_SRE_FAST \| PAD_CTL_HYS_CMOS \| \
25783602	352	PAD_CTL_ODE_CMOS)
88b05647 VL	353
88b05647 VL	354	#define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
25783602	355	#define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)
88b05647	356
25783602	357	static void usb_xcvr_reset(void)
88b05647	358	{
25783602 PR	359	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG \| PAD_CTL_100K_PD);
	360	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG \| PAD_CTL_100K_PD);
	361	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG \| PAD_CTL_100K_PD);
	362	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG \| PAD_CTL_100K_PD);
	363	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG \| PAD_CTL_100K_PD);
	364	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG \| PAD_CTL_100K_PD);
	365	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG \| PAD_CTL_100K_PD);
	366	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG \| PAD_CTL_100K_PD);
	367	mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG \| PAD_CTL_100K_PU);
	368	mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG \| PAD_CTL_100K_PU);
	369	mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG \| PAD_CTL_100K_PU);
	370	mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG \| PAD_CTL_100K_PU);
	371
	372	mxc_iomux_set_gpr(MUX_PGP_UH2, true);
	373	mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG \| PAD_CTL_100K_PU);
	374	mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG \| PAD_CTL_100K_PU);
	375	mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG \| PAD_CTL_100K_PU);
	376	mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG \| PAD_CTL_100K_PU);
	377	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG \| PAD_CTL_100K_PD);
	378	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG \| PAD_CTL_100K_PD);
	379	mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG \| PAD_CTL_100K_PD);
	380	mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG \| PAD_CTL_100K_PD);
	381	mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG \| PAD_CTL_100K_PD);
	382	mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG \| PAD_CTL_100K_PD);
	383	mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG \| PAD_CTL_100K_PD);
	384	mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG \| PAD_CTL_100K_PD);
88b05647 VL	385
	386	gpio_request(OTG_EN_B, "usb-udc-en");
	387	gpio_direction_output(OTG_EN_B, 0);
25783602 PR	388	gpio_request(USBH2_EN_B, "usbh2-en");
	389	gpio_direction_output(USBH2_EN_B, 0);
	390
	391	gpio_request(USB_RESET_B, "usb-reset");
	392	gpio_direction_output(USB_RESET_B, 0);
	393	mdelay(1);
	394	gpio_set_value(USB_RESET_B, 1);
	395	mdelay(1);
88b05647 VL	396	}
88b05647 VL	397
4bd597b6 SH	398	static int moboard_usbh2_init_hw(struct platform_device *pdev)
	399	{
	400	return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
	401	}
f9ffaa9c	402
2d58de28	403	static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
4bd597b6	404	.init = moboard_usbh2_init_hw,
d67d1075	405	.portsc = MXC_EHCI_MODE_ULPI \| MXC_EHCI_UTMI_8BIT,
d67d1075 VL	406	};
	407
	408	static int __init moboard_usbh2_init(void)
	409	{
2d58de28 UKK	410	struct platform_device *pdev;
2d58de28 UKK	411
48f6b099 SH	412	usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS \|
	413	ULPI_OTG_DRVVBUS_EXT);
	414	if (!usbh2_pdata.otg)
	415	return -ENODEV;
d67d1075	416
2d58de28	417	pdev = imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
2d58de28	418
d3a22442	419	return PTR_ERR_OR_ZERO(pdev);
d67d1075	420	}
d67d1075	421
47e837b5	422	static const struct gpio_led mx31moboard_leds[] __initconst = {
77aa561d	423	{
27ad4bf7	424	.name = "coreboard-led-0:red:running",
77aa561d	425	.default_trigger = "heartbeat",
27ad4bf7	426	.gpio = IOMUX_TO_GPIO(MX31_PIN_SVEN0),
77aa561d VL	427	}, {
	428	.name = "coreboard-led-1:red",
	429	.gpio = IOMUX_TO_GPIO(MX31_PIN_STX0),
	430	}, {
	431	.name = "coreboard-led-2:red",
	432	.gpio = IOMUX_TO_GPIO(MX31_PIN_SRX0),
	433	}, {
	434	.name = "coreboard-led-3:red",
	435	.gpio = IOMUX_TO_GPIO(MX31_PIN_SIMPD0),
	436	},
	437	};
	438
47e837b5	439	static const struct gpio_led_platform_data mx31moboard_led_pdata __initconst = {
27ad4bf7	440	.num_leds = ARRAY_SIZE(mx31moboard_leds),
77aa561d VL	441	.leds = mx31moboard_leds,
	442	};
	443
988d2d49 VL	444	static struct platform_device *devices[] __initdata = {
	445	&mx31moboard_flash,
	446	};
	447
afa77ef3	448	static struct mx3_camera_pdata camera_pdata __initdata = {
04ea3c80 VL	449	.flags = MX3_CAMERA_DATAWIDTH_8 \| MX3_CAMERA_DATAWIDTH_10,
	450	.mclk_10khz = 4800,
	451	};
	452
031e9127 UKK	453	static phys_addr_t mx3_camera_base __initdata;
031e9127 UKK	454	#define MX3_CAMERA_BUF_SIZE SZ_4M
04ea3c80	455
afa77ef3	456	static int __init mx31moboard_init_cam(void)
04ea3c80	457	{
edeb8e4c	458	int ret;
afa77ef3 UKK	459	struct platform_device *pdev;
afa77ef3 UKK	460
88289c80	461	imx31_add_ipu_core();
04ea3c80	462
afa77ef3 UKK	463	pdev = imx31_alloc_mx3_camera(&camera_pdata);
	464	if (IS_ERR(pdev))
	465	return PTR_ERR(pdev);
04ea3c80	466
2436bdcd CH	467	ret = dma_declare_coherent_memory(&pdev->dev,
2436bdcd CH	468	mx3_camera_base, mx3_camera_base,
82c5de0a	469	MX3_CAMERA_BUF_SIZE);
2436bdcd	470	if (ret)
afa77ef3 UKK	471	goto err;
	472
	473	ret = platform_device_add(pdev);
	474	if (ret)
	475	err:
	476	platform_device_put(pdev);
	477
	478	return ret;
04ea3c80	479
04ea3c80 VL	480	}
04ea3c80 VL	481
40d97b89 PR	482	static void mx31moboard_poweroff(void)
	483	{
	484	struct clk *clk = clk_get_sys("imx2-wdt.0", NULL);
	485
	486	if (!IS_ERR(clk))
8186064c	487	clk_prepare_enable(clk);
40d97b89 PR	488
	489	mxc_iomux_mode(MX31_PIN_WATCHDOG_RST__WATCHDOG_RST);
	490
c553138f	491	imx_writew(1 << 6 \| 1 << 2, MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
40d97b89 PR	492	}
40d97b89 PR	493
e00f0b4a VL	494	static int mx31moboard_baseboard;
	495	core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);
	496
988d2d49 VL	497	/*
	498	* Board specific initialization.
	499	*/
e134fb2b	500	static void __init mx31moboard_init(void)
988d2d49	501	{
b78d8e59 SG	502	imx31_soc_init();
b78d8e59 SG	503
220bbcea VL	504	mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins),
	505	"moboard");
	506
988d2d49 VL	507	platform_add_devices(devices, ARRAY_SIZE(devices));
988d2d49 VL	508
bec31a85	509	imx31_add_imx2_wdt();
31776fbc	510
16cf5c41 UKK	511	imx31_add_imx_uart0(&uart0_pdata);
16cf5c41 UKK	512	imx31_add_imx_uart4(&uart4_pdata);
e00f0b4a	513
4a9b8b0b UKK	514	imx31_add_imx_i2c0(&moboard_i2c0_data);
4a9b8b0b UKK	515	imx31_add_imx_i2c1(&moboard_i2c1_data);
4ec6ecc7	516
06606ff1 UKK	517	imx31_add_spi_imx1(&moboard_spi1_pdata);
06606ff1 UKK	518	imx31_add_spi_imx2(&moboard_spi2_pdata);
65da9791	519
1cecfa48 VZ	520	mx31moboard_init_cam();
	521
	522	imx31_add_imx_ssi(0, &moboard_ssi_pdata);
	523
	524	pm_power_off = mx31moboard_poweroff;
	525	}
	526
	527	static void __init mx31moboard_late(void)
	528	{
	529	gpio_led_register_device(-1, &mx31moboard_led_pdata);
	530
	531	moboard_uart0_init();
	532
65da9791 VL	533	gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq");
65da9791 VL	534	gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
ed175343 SG	535	moboard_spi_board_info[0].irq =
ed175343 SG	536	gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
65da9791 VL	537	spi_register_board_info(moboard_spi_board_info,
	538	ARRAY_SIZE(moboard_spi_board_info));
	539
6a697e3d	540	imx31_add_mxc_mmc(0, &sdhc1_pdata);
45b131a7	541
b23f1534	542	usb_xcvr_reset();
d67d1075	543	moboard_usbh2_init();
88b05647	544
2f7b9451 PR	545	imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0);
2f7b9451 PR	546
e00f0b4a VL	547	switch (mx31moboard_baseboard) {
	548	case MX31NOBOARD:
	549	break;
	550	case MX31DEVBOARD:
	551	mx31moboard_devboard_init();
	552	break;
	553	case MX31MARXBOT:
	554	mx31moboard_marxbot_init();
	555	break;
e335c75c	556	case MX31SMARTBOT:
3a47b1a4 PR	557	case MX31EYEBOT:
3a47b1a4 PR	558	mx31moboard_smartbot_init(mx31moboard_baseboard);
e335c75c	559	break;
e00f0b4a	560	default:
220bbcea VL	561	printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n",
220bbcea VL	562	mx31moboard_baseboard);
e00f0b4a	563	}
988d2d49 VL	564	}
988d2d49 VL	565
988d2d49 VL	566	static void __init mx31moboard_timer_init(void)
988d2d49 VL	567	{
30c730f8	568	mx31_clocks_init(26000000);
988d2d49 VL	569	}
988d2d49 VL	570
031e9127 UKK	571	static void __init mx31moboard_reserve(void)
	572	{
	573	/* reserve 4 MiB for mx3-camera */
716a3dc2	574	mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE,
031e9127	575	MX3_CAMERA_BUF_SIZE);
031e9127 UKK	576	}
031e9127 UKK	577
988d2d49	578	MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
0fbe6b07	579	/* Maintainer: Philippe Retornaz, EPFL Mobots group */
dc8f1907	580	.atag_offset = 0x100,
031e9127	581	.reserve = mx31moboard_reserve,
97976e22 UKK	582	.map_io = mx31_map_io,
	583	.init_early = imx31_init_early,
	584	.init_irq = mx31_init_irq,
6bb27d73	585	.init_time = mx31moboard_timer_init,
e134fb2b	586	.init_machine = mx31moboard_init,
1cecfa48	587	.init_late = mx31moboard_late,
65ea7884	588	.restart = mxc_restart,
988d2d49	589	MACHINE_END