arch/powerpc/sysdev/fsl_soc.c - kernel/msm-4.9 - Gitiles

 /*
  * FSL SoC setup code
  *
  * Maintained by Kumar Gala (see MAINTAINERS for contact information)
  *
  * 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.
  */

 #include <linux/config.h>
 #include <linux/stddef.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/major.h>
 #include <linux/delay.h>
 #include <linux/irq.h>
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/platform_device.h>
 #include <linux/fsl_devices.h>

 #include <asm/system.h>
 #include <asm/atomic.h>
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/prom.h>
 #include <sysdev/fsl_soc.h>
 #include <mm/mmu_decl.h>

 static phys_addr_t immrbase = -1;

 phys_addr_t get_immrbase(void)
 {
 	struct device_node *soc;

 	if (immrbase != -1)
 		return immrbase;

 	soc = of_find_node_by_type(NULL, "soc");
 	if (soc) {
 		unsigned int size;
 		void *prop = get_property(soc, "reg", &size);
 		immrbase = of_translate_address(soc, prop);
 		of_node_put(soc);
 	};

 	return immrbase;
 }

 EXPORT_SYMBOL(get_immrbase);

 static int __init gfar_mdio_of_init(void)
 {
 	struct device_node *np;
 	unsigned int i;
 	struct platform_device *mdio_dev;
 	struct resource res;
 	int ret;

 	for (np = NULL, i = 0;
 	     (np = of_find_compatible_node(np, "mdio", "gianfar")) != NULL;
 	     i++) {
 		int k;
 		struct device_node *child = NULL;
 		struct gianfar_mdio_data mdio_data;

 		memset(&res, 0, sizeof(res));
 		memset(&mdio_data, 0, sizeof(mdio_data));

 		ret = of_address_to_resource(np, 0, &res);
 		if (ret)
 			goto err;

 		mdio_dev =
 		    platform_device_register_simple("fsl-gianfar_mdio",
 						    res.start, &res, 1);
 		if (IS_ERR(mdio_dev)) {
 			ret = PTR_ERR(mdio_dev);
 			goto err;
 		}

 		for (k = 0; k < 32; k++)
 			mdio_data.irq[k] = -1;

 		while ((child = of_get_next_child(np, child)) != NULL) {
 			if (child->n_intrs) {
 				u32 *id =
 				    (u32 *) get_property(child, "reg", NULL);
 				mdio_data.irq[*id] = child->intrs[0].line;
 			}
 		}

 		ret =
 		    platform_device_add_data(mdio_dev, &mdio_data,
 					     sizeof(struct gianfar_mdio_data));
 		if (ret)
 			goto unreg;
 	}

 	return 0;

 unreg:
 	platform_device_unregister(mdio_dev);
 err:
 	return ret;
 }

 arch_initcall(gfar_mdio_of_init);

 static const char *gfar_tx_intr = "tx";
 static const char *gfar_rx_intr = "rx";
 static const char *gfar_err_intr = "error";

 static int __init gfar_of_init(void)
 {
 	struct device_node *np;
 	unsigned int i;
 	struct platform_device *gfar_dev;
 	struct resource res;
 	int ret;

 	for (np = NULL, i = 0;
 	     (np = of_find_compatible_node(np, "network", "gianfar")) != NULL;
 	     i++) {
 		struct resource r[4];
 		struct device_node *phy, *mdio;
 		struct gianfar_platform_data gfar_data;
 		unsigned int *id;
 		char *model;
 		void *mac_addr;
 		phandle *ph;

 		memset(r, 0, sizeof(r));
 		memset(&gfar_data, 0, sizeof(gfar_data));

 		ret = of_address_to_resource(np, 0, &r[0]);
 		if (ret)
 			goto err;

 		r[1].start = np->intrs[0].line;
 		r[1].end = np->intrs[0].line;
 		r[1].flags = IORESOURCE_IRQ;

 		model = get_property(np, "model", NULL);

 		/* If we aren't the FEC we have multiple interrupts */
 		if (model && strcasecmp(model, "FEC")) {
 			r[1].name = gfar_tx_intr;

 			r[2].name = gfar_rx_intr;
 			r[2].start = np->intrs[1].line;
 			r[2].end = np->intrs[1].line;
 			r[2].flags = IORESOURCE_IRQ;

 			r[3].name = gfar_err_intr;
 			r[3].start = np->intrs[2].line;
 			r[3].end = np->intrs[2].line;
 			r[3].flags = IORESOURCE_IRQ;
 		}

 		gfar_dev =
 		    platform_device_register_simple("fsl-gianfar", i, &r[0],
 						    np->n_intrs + 1);

 		if (IS_ERR(gfar_dev)) {
 			ret = PTR_ERR(gfar_dev);
 			goto err;
 		}

 		mac_addr = get_property(np, "address", NULL);
 		memcpy(gfar_data.mac_addr, mac_addr, 6);

 		if (model && !strcasecmp(model, "TSEC"))
 			gfar_data.device_flags =
 			    FSL_GIANFAR_DEV_HAS_GIGABIT |
 			    FSL_GIANFAR_DEV_HAS_COALESCE |
 			    FSL_GIANFAR_DEV_HAS_RMON |
 			    FSL_GIANFAR_DEV_HAS_MULTI_INTR;
 		if (model && !strcasecmp(model, "eTSEC"))
 			gfar_data.device_flags =
 			    FSL_GIANFAR_DEV_HAS_GIGABIT |
 			    FSL_GIANFAR_DEV_HAS_COALESCE |
 			    FSL_GIANFAR_DEV_HAS_RMON |
 			    FSL_GIANFAR_DEV_HAS_MULTI_INTR |
 			    FSL_GIANFAR_DEV_HAS_CSUM |
 			    FSL_GIANFAR_DEV_HAS_VLAN |
 			    FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;

 		ph = (phandle *) get_property(np, "phy-handle", NULL);
 		phy = of_find_node_by_phandle(*ph);

 		if (phy == NULL) {
 			ret = -ENODEV;
 			goto unreg;
 		}

 		mdio = of_get_parent(phy);

 		id = (u32 *) get_property(phy, "reg", NULL);
 		ret = of_address_to_resource(mdio, 0, &res);
 		if (ret) {
 			of_node_put(phy);
 			of_node_put(mdio);
 			goto unreg;
 		}

 		gfar_data.phy_id = *id;
 		gfar_data.bus_id = res.start;

 		of_node_put(phy);
 		of_node_put(mdio);

 		ret =
 		    platform_device_add_data(gfar_dev, &gfar_data,
 					     sizeof(struct
 						    gianfar_platform_data));
 		if (ret)
 			goto unreg;
 	}

 	return 0;

 unreg:
 	platform_device_unregister(gfar_dev);
 err:
 	return ret;
 }

 arch_initcall(gfar_of_init);

 static int __init fsl_i2c_of_init(void)
 {
 	struct device_node *np;
 	unsigned int i;
 	struct platform_device *i2c_dev;
 	int ret;

 	for (np = NULL, i = 0;
 	     (np = of_find_compatible_node(np, "i2c", "fsl-i2c")) != NULL;
 	     i++) {
 		struct resource r[2];
 		struct fsl_i2c_platform_data i2c_data;
 		unsigned char *flags = NULL;

 		memset(&r, 0, sizeof(r));
 		memset(&i2c_data, 0, sizeof(i2c_data));

 		ret = of_address_to_resource(np, 0, &r[0]);
 		if (ret)
 			goto err;

 		r[1].start = np->intrs[0].line;
 		r[1].end = np->intrs[0].line;
 		r[1].flags = IORESOURCE_IRQ;

 		i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
 		if (IS_ERR(i2c_dev)) {
 			ret = PTR_ERR(i2c_dev);
 			goto err;
 		}

 		i2c_data.device_flags = 0;
 		flags = get_property(np, "dfsrr", NULL);
 		if (flags)
 			i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;

 		flags = get_property(np, "fsl5200-clocking", NULL);
 		if (flags)
 			i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;

 		ret =
 		    platform_device_add_data(i2c_dev, &i2c_data,
 					     sizeof(struct
 						    fsl_i2c_platform_data));
 		if (ret)
 			goto unreg;
 	}

 	return 0;

 unreg:
 	platform_device_unregister(i2c_dev);
 err:
 	return ret;
 }

 arch_initcall(fsl_i2c_of_init);

 #ifdef CONFIG_PPC_83xx
 static int __init mpc83xx_wdt_init(void)
 {
 	struct resource r;
 	struct device_node *soc, *np;
 	struct platform_device *dev;
 	unsigned int *freq;
 	int ret;

 	np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");

 	if (!np) {
 		ret = -ENODEV;
 		goto nodev;
 	}

 	soc = of_find_node_by_type(NULL, "soc");

 	if (!soc) {
 		ret = -ENODEV;
 		goto nosoc;
 	}

 	freq = (unsigned int *)get_property(soc, "bus-frequency", NULL);
 	if (!freq) {
 		ret = -ENODEV;
 		goto err;
 	}

 	memset(&r, 0, sizeof(r));

 	ret = of_address_to_resource(np, 0, &r);
 	if (ret)
 		goto err;

 	dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
 	if (IS_ERR(dev)) {
 		ret = PTR_ERR(dev);
 		goto err;
 	}

 	ret = platform_device_add_data(dev, freq, sizeof(int));
 	if (ret)
 		goto unreg;

 	of_node_put(soc);
 	of_node_put(np);

 	return 0;

 unreg:
 	platform_device_unregister(dev);
 err:
 	of_node_put(soc);
 nosoc:
 	of_node_put(np);
 nodev:
 	return ret;
 }

 arch_initcall(mpc83xx_wdt_init);
 #endif

 static enum fsl_usb2_phy_modes determine_usb_phy(char * phy_type)
 {
 	if (!phy_type)
 		return FSL_USB2_PHY_NONE;
 	if (!strcasecmp(phy_type, "ulpi"))
 		return FSL_USB2_PHY_ULPI;
 	if (!strcasecmp(phy_type, "utmi"))
 		return FSL_USB2_PHY_UTMI;
 	if (!strcasecmp(phy_type, "utmi_wide"))
 		return FSL_USB2_PHY_UTMI_WIDE;
 	if (!strcasecmp(phy_type, "serial"))
 		return FSL_USB2_PHY_SERIAL;

 	return FSL_USB2_PHY_NONE;
 }

 static int __init fsl_usb_of_init(void)
 {
 	struct device_node *np;
 	unsigned int i;
 	struct platform_device *usb_dev_mph = NULL, *usb_dev_dr = NULL;
 	int ret;

 	for (np = NULL, i = 0;
 	     (np = of_find_compatible_node(np, "usb", "fsl-usb2-mph")) != NULL;
 	     i++) {
 		struct resource r[2];
 		struct fsl_usb2_platform_data usb_data;
 		unsigned char *prop = NULL;

 		memset(&r, 0, sizeof(r));
 		memset(&usb_data, 0, sizeof(usb_data));

 		ret = of_address_to_resource(np, 0, &r[0]);
 		if (ret)
 			goto err;

 		r[1].start = np->intrs[0].line;
 		r[1].end = np->intrs[0].line;
 		r[1].flags = IORESOURCE_IRQ;

 		usb_dev_mph =
 		    platform_device_register_simple("fsl-ehci", i, r, 2);
 		if (IS_ERR(usb_dev_mph)) {
 			ret = PTR_ERR(usb_dev_mph);
 			goto err;
 		}

 		usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL;
 		usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask;

 		usb_data.operating_mode = FSL_USB2_MPH_HOST;

 		prop = get_property(np, "port0", NULL);
 		if (prop)
 			usb_data.port_enables |= FSL_USB2_PORT0_ENABLED;

 		prop = get_property(np, "port1", NULL);
 		if (prop)
 			usb_data.port_enables |= FSL_USB2_PORT1_ENABLED;

 		prop = get_property(np, "phy_type", NULL);
 		usb_data.phy_mode = determine_usb_phy(prop);

 		ret =
 		    platform_device_add_data(usb_dev_mph, &usb_data,
 					     sizeof(struct
 						    fsl_usb2_platform_data));
 		if (ret)
 			goto unreg_mph;
 	}

 	for (np = NULL;
 	     (np = of_find_compatible_node(np, "usb", "fsl-usb2-dr")) != NULL;
 	     i++) {
 		struct resource r[2];
 		struct fsl_usb2_platform_data usb_data;
 		unsigned char *prop = NULL;

 		memset(&r, 0, sizeof(r));
 		memset(&usb_data, 0, sizeof(usb_data));

 		ret = of_address_to_resource(np, 0, &r[0]);
 		if (ret)
 			goto unreg_mph;

 		r[1].start = np->intrs[0].line;
 		r[1].end = np->intrs[0].line;
 		r[1].flags = IORESOURCE_IRQ;

 		usb_dev_dr =
 		    platform_device_register_simple("fsl-ehci", i, r, 2);
 		if (IS_ERR(usb_dev_dr)) {
 			ret = PTR_ERR(usb_dev_dr);
 			goto err;
 		}

 		usb_dev_dr->dev.coherent_dma_mask = 0xffffffffUL;
 		usb_dev_dr->dev.dma_mask = &usb_dev_dr->dev.coherent_dma_mask;

 		usb_data.operating_mode = FSL_USB2_DR_HOST;

 		prop = get_property(np, "phy_type", NULL);
 		usb_data.phy_mode = determine_usb_phy(prop);

 		ret =
 		    platform_device_add_data(usb_dev_dr, &usb_data,
 					     sizeof(struct
 						    fsl_usb2_platform_data));
 		if (ret)
 			goto unreg_dr;
 	}
 	return 0;

 unreg_dr:
 	if (usb_dev_dr)
 		platform_device_unregister(usb_dev_dr);
 unreg_mph:
 	if (usb_dev_mph)
 		platform_device_unregister(usb_dev_mph);
 err:
 	return ret;
 }

 arch_initcall(fsl_usb_of_init);
	/*
	* FSL SoC setup code
	*
	* Maintained by Kumar Gala (see MAINTAINERS for contact information)
	*
	* 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.
	*/

	#include <linux/config.h>
	#include <linux/stddef.h>
	#include <linux/kernel.h>
	#include <linux/init.h>
	#include <linux/errno.h>
	#include <linux/major.h>
	#include <linux/delay.h>
	#include <linux/irq.h>
	#include <linux/module.h>
	#include <linux/device.h>
	#include <linux/platform_device.h>
	#include <linux/fsl_devices.h>

	#include <asm/system.h>
	#include <asm/atomic.h>
	#include <asm/io.h>
	#include <asm/irq.h>
	#include <asm/prom.h>
	#include <sysdev/fsl_soc.h>
	#include <mm/mmu_decl.h>

	static phys_addr_t immrbase = -1;

	phys_addr_t get_immrbase(void)
	{
	struct device_node *soc;

	if (immrbase != -1)
	return immrbase;

	soc = of_find_node_by_type(NULL, "soc");
	if (soc) {
	unsigned int size;
	void *prop = get_property(soc, "reg", &size);
	immrbase = of_translate_address(soc, prop);
	of_node_put(soc);
	};

	return immrbase;
	}

	EXPORT_SYMBOL(get_immrbase);

	static int __init gfar_mdio_of_init(void)
	{
	struct device_node *np;
	unsigned int i;
	struct platform_device *mdio_dev;
	struct resource res;
	int ret;

	for (np = NULL, i = 0;
	(np = of_find_compatible_node(np, "mdio", "gianfar")) != NULL;
	i++) {
	int k;
	struct device_node *child = NULL;
	struct gianfar_mdio_data mdio_data;

	memset(&res, 0, sizeof(res));
	memset(&mdio_data, 0, sizeof(mdio_data));

	ret = of_address_to_resource(np, 0, &res);
	if (ret)
	goto err;

	mdio_dev =
	platform_device_register_simple("fsl-gianfar_mdio",
	res.start, &res, 1);
	if (IS_ERR(mdio_dev)) {
	ret = PTR_ERR(mdio_dev);
	goto err;
	}

	for (k = 0; k < 32; k++)
	mdio_data.irq[k] = -1;

	while ((child = of_get_next_child(np, child)) != NULL) {
	if (child->n_intrs) {
	u32 *id =
	(u32 *) get_property(child, "reg", NULL);
	mdio_data.irq[*id] = child->intrs[0].line;
	}
	}

	ret =
	platform_device_add_data(mdio_dev, &mdio_data,
	sizeof(struct gianfar_mdio_data));
	if (ret)
	goto unreg;
	}

	return 0;

	unreg:
	platform_device_unregister(mdio_dev);
	err:
	return ret;
	}

	arch_initcall(gfar_mdio_of_init);

	static const char *gfar_tx_intr = "tx";
	static const char *gfar_rx_intr = "rx";
	static const char *gfar_err_intr = "error";

	static int __init gfar_of_init(void)
	{
	struct device_node *np;
	unsigned int i;
	struct platform_device *gfar_dev;
	struct resource res;
	int ret;

	for (np = NULL, i = 0;
	(np = of_find_compatible_node(np, "network", "gianfar")) != NULL;
	i++) {
	struct resource r[4];
	struct device_node phy, mdio;
	struct gianfar_platform_data gfar_data;
	unsigned int *id;
	char *model;
	void *mac_addr;
	phandle *ph;

	memset(r, 0, sizeof(r));
	memset(&gfar_data, 0, sizeof(gfar_data));

	ret = of_address_to_resource(np, 0, &r[0]);
	if (ret)
	goto err;

	r[1].start = np->intrs[0].line;
	r[1].end = np->intrs[0].line;
	r[1].flags = IORESOURCE_IRQ;

	model = get_property(np, "model", NULL);

	/* If we aren't the FEC we have multiple interrupts */
	if (model && strcasecmp(model, "FEC")) {
	r[1].name = gfar_tx_intr;

	r[2].name = gfar_rx_intr;
	r[2].start = np->intrs[1].line;
	r[2].end = np->intrs[1].line;
	r[2].flags = IORESOURCE_IRQ;

	r[3].name = gfar_err_intr;
	r[3].start = np->intrs[2].line;
	r[3].end = np->intrs[2].line;
	r[3].flags = IORESOURCE_IRQ;
	}

	gfar_dev =
	platform_device_register_simple("fsl-gianfar", i, &r[0],
	np->n_intrs + 1);

	if (IS_ERR(gfar_dev)) {
	ret = PTR_ERR(gfar_dev);
	goto err;
	}

	mac_addr = get_property(np, "address", NULL);
	memcpy(gfar_data.mac_addr, mac_addr, 6);

	if (model && !strcasecmp(model, "TSEC"))
	gfar_data.device_flags =
	FSL_GIANFAR_DEV_HAS_GIGABIT \|
	FSL_GIANFAR_DEV_HAS_COALESCE \|
	FSL_GIANFAR_DEV_HAS_RMON \|
	FSL_GIANFAR_DEV_HAS_MULTI_INTR;
	if (model && !strcasecmp(model, "eTSEC"))
	gfar_data.device_flags =
	FSL_GIANFAR_DEV_HAS_GIGABIT \|
	FSL_GIANFAR_DEV_HAS_COALESCE \|
	FSL_GIANFAR_DEV_HAS_RMON \|
	FSL_GIANFAR_DEV_HAS_MULTI_INTR \|
	FSL_GIANFAR_DEV_HAS_CSUM \|
	FSL_GIANFAR_DEV_HAS_VLAN \|
	FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;

	ph = (phandle *) get_property(np, "phy-handle", NULL);
	phy = of_find_node_by_phandle(*ph);

	if (phy == NULL) {
	ret = -ENODEV;
	goto unreg;
	}

	mdio = of_get_parent(phy);

	id = (u32 *) get_property(phy, "reg", NULL);
	ret = of_address_to_resource(mdio, 0, &res);
	if (ret) {
	of_node_put(phy);
	of_node_put(mdio);
	goto unreg;
	}

	gfar_data.phy_id = *id;
	gfar_data.bus_id = res.start;

	of_node_put(phy);
	of_node_put(mdio);

	ret =
	platform_device_add_data(gfar_dev, &gfar_data,
	sizeof(struct
	gianfar_platform_data));
	if (ret)
	goto unreg;
	}

	return 0;

	unreg:
	platform_device_unregister(gfar_dev);
	err:
	return ret;
	}

	arch_initcall(gfar_of_init);

	static int __init fsl_i2c_of_init(void)
	{
	struct device_node *np;
	unsigned int i;
	struct platform_device *i2c_dev;
	int ret;

	for (np = NULL, i = 0;
	(np = of_find_compatible_node(np, "i2c", "fsl-i2c")) != NULL;
	i++) {
	struct resource r[2];
	struct fsl_i2c_platform_data i2c_data;
	unsigned char *flags = NULL;

	memset(&r, 0, sizeof(r));
	memset(&i2c_data, 0, sizeof(i2c_data));

	ret = of_address_to_resource(np, 0, &r[0]);
	if (ret)
	goto err;

	r[1].start = np->intrs[0].line;
	r[1].end = np->intrs[0].line;
	r[1].flags = IORESOURCE_IRQ;

	i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
	if (IS_ERR(i2c_dev)) {
	ret = PTR_ERR(i2c_dev);
	goto err;
	}

	i2c_data.device_flags = 0;
	flags = get_property(np, "dfsrr", NULL);
	if (flags)
	i2c_data.device_flags \|= FSL_I2C_DEV_SEPARATE_DFSRR;

	flags = get_property(np, "fsl5200-clocking", NULL);
	if (flags)
	i2c_data.device_flags \|= FSL_I2C_DEV_CLOCK_5200;

	ret =
	platform_device_add_data(i2c_dev, &i2c_data,
	sizeof(struct
	fsl_i2c_platform_data));
	if (ret)
	goto unreg;
	}

	return 0;

	unreg:
	platform_device_unregister(i2c_dev);
	err:
	return ret;
	}

	arch_initcall(fsl_i2c_of_init);

	#ifdef CONFIG_PPC_83xx
	static int __init mpc83xx_wdt_init(void)
	{
	struct resource r;
	struct device_node soc, np;
	struct platform_device *dev;
	unsigned int *freq;
	int ret;

	np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");

	if (!np) {
	ret = -ENODEV;
	goto nodev;
	}

	soc = of_find_node_by_type(NULL, "soc");

	if (!soc) {
	ret = -ENODEV;
	goto nosoc;
	}

	freq = (unsigned int *)get_property(soc, "bus-frequency", NULL);
	if (!freq) {
	ret = -ENODEV;
	goto err;
	}

	memset(&r, 0, sizeof(r));

	ret = of_address_to_resource(np, 0, &r);
	if (ret)
	goto err;

	dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
	if (IS_ERR(dev)) {
	ret = PTR_ERR(dev);
	goto err;
	}

	ret = platform_device_add_data(dev, freq, sizeof(int));
	if (ret)
	goto unreg;

	of_node_put(soc);
	of_node_put(np);

	return 0;

	unreg:
	platform_device_unregister(dev);
	err:
	of_node_put(soc);
	nosoc:
	of_node_put(np);
	nodev:
	return ret;
	}

	arch_initcall(mpc83xx_wdt_init);
	#endif

	static enum fsl_usb2_phy_modes determine_usb_phy(char * phy_type)
	{
	if (!phy_type)
	return FSL_USB2_PHY_NONE;
	if (!strcasecmp(phy_type, "ulpi"))
	return FSL_USB2_PHY_ULPI;
	if (!strcasecmp(phy_type, "utmi"))
	return FSL_USB2_PHY_UTMI;
	if (!strcasecmp(phy_type, "utmi_wide"))
	return FSL_USB2_PHY_UTMI_WIDE;
	if (!strcasecmp(phy_type, "serial"))
	return FSL_USB2_PHY_SERIAL;

	return FSL_USB2_PHY_NONE;
	}

	static int __init fsl_usb_of_init(void)
	{
	struct device_node *np;
	unsigned int i;
	struct platform_device usb_dev_mph = NULL, usb_dev_dr = NULL;
	int ret;

	for (np = NULL, i = 0;
	(np = of_find_compatible_node(np, "usb", "fsl-usb2-mph")) != NULL;
	i++) {
	struct resource r[2];
	struct fsl_usb2_platform_data usb_data;
	unsigned char *prop = NULL;

	memset(&r, 0, sizeof(r));
	memset(&usb_data, 0, sizeof(usb_data));

	ret = of_address_to_resource(np, 0, &r[0]);
	if (ret)
	goto err;

	r[1].start = np->intrs[0].line;
	r[1].end = np->intrs[0].line;
	r[1].flags = IORESOURCE_IRQ;

	usb_dev_mph =
	platform_device_register_simple("fsl-ehci", i, r, 2);
	if (IS_ERR(usb_dev_mph)) {
	ret = PTR_ERR(usb_dev_mph);
	goto err;
	}

	usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL;
	usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask;

	usb_data.operating_mode = FSL_USB2_MPH_HOST;

	prop = get_property(np, "port0", NULL);
	if (prop)
	usb_data.port_enables \|= FSL_USB2_PORT0_ENABLED;

	prop = get_property(np, "port1", NULL);
	if (prop)
	usb_data.port_enables \|= FSL_USB2_PORT1_ENABLED;

	prop = get_property(np, "phy_type", NULL);
	usb_data.phy_mode = determine_usb_phy(prop);

	ret =
	platform_device_add_data(usb_dev_mph, &usb_data,
	sizeof(struct
	fsl_usb2_platform_data));
	if (ret)
	goto unreg_mph;
	}

	for (np = NULL;
	(np = of_find_compatible_node(np, "usb", "fsl-usb2-dr")) != NULL;
	i++) {
	struct resource r[2];
	struct fsl_usb2_platform_data usb_data;
	unsigned char *prop = NULL;

	memset(&r, 0, sizeof(r));
	memset(&usb_data, 0, sizeof(usb_data));

	ret = of_address_to_resource(np, 0, &r[0]);
	if (ret)
	goto unreg_mph;

	r[1].start = np->intrs[0].line;
	r[1].end = np->intrs[0].line;
	r[1].flags = IORESOURCE_IRQ;

	usb_dev_dr =
	platform_device_register_simple("fsl-ehci", i, r, 2);
	if (IS_ERR(usb_dev_dr)) {
	ret = PTR_ERR(usb_dev_dr);
	goto err;
	}

	usb_dev_dr->dev.coherent_dma_mask = 0xffffffffUL;
	usb_dev_dr->dev.dma_mask = &usb_dev_dr->dev.coherent_dma_mask;

	usb_data.operating_mode = FSL_USB2_DR_HOST;

	prop = get_property(np, "phy_type", NULL);
	usb_data.phy_mode = determine_usb_phy(prop);

	ret =
	platform_device_add_data(usb_dev_dr, &usb_data,
	sizeof(struct
	fsl_usb2_platform_data));
	if (ret)
	goto unreg_dr;
	}
	return 0;

	unreg_dr:
	if (usb_dev_dr)
	platform_device_unregister(usb_dev_dr);
	unreg_mph:
	if (usb_dev_mph)
	platform_device_unregister(usb_dev_mph);
	err:
	return ret;
	}

	arch_initcall(fsl_usb_of_init);