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diff --git a/roms/u-boot/include/dm/uclass-internal.h b/roms/u-boot/include/dm/uclass-internal.h
new file mode 100644
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+++ b/roms/u-boot/include/dm/uclass-internal.h
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+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2013 Google, Inc
+ *
+ * (C) Copyright 2012
+ * Pavel Herrmann <morpheus.ibis@gmail.com>
+ */
+
+#ifndef _DM_UCLASS_INTERNAL_H
+#define _DM_UCLASS_INTERNAL_H
+
+#include <dm/ofnode.h>
+
+/*
+ * These next two macros DM_UCLASS_INST() and DM_UCLASS_REF() are only allowed
+ * in code generated by dtoc, because the ordering is important and if other
+ * instances creep in then they may mess up the ordering expected by dtoc.
+ *
+ * It is OK to use them with 'extern' though, since that does not actually
+ * add a new record to the linker_list.
+ */
+
+/**
+ * DM_UCLASS_INST() - Declare a uclass ready for run-time use
+ *
+ * This adds an actual struct uclass to a list which is found by driver model
+ * on start-up.
+ *
+ * For example:
+ *
+ * DM_UCLASS_INST(clk) = {
+ *	.uc_drv		= DM_UCLASS_DRIVER_REF(clk),
+ * ...
+ * };
+ *
+ * @_name: Name of the uclass. This must be a valid C identifier, used by the
+ *	linker_list.
+ */
+#define DM_UCLASS_INST(_name)						\
+	ll_entry_declare(struct uclass, _name, uclass)
+
+/**
+ * DM_UCLASS_REF() - Get a reference to a uclass
+ *
+ * This is useful for referencing a uclass at build time. Before this is used,
+ * an extern DM_UCLASS_INST() must have been declared.
+ *
+ * For example:
+ *
+ * extern DM_UCLASS_INST(clk);
+ *
+ * struct uclass *ucs[] = {
+ *	DM_UCLASS_REF(clk),
+ * }
+ *
+ * @_name: Name of the uclass. This must be a valid C identifier, used by the
+ *	linker_list
+ * @returns struct uclass * for the device
+ */
+#define DM_UCLASS_REF(_name)						\
+	ll_entry_ref(struct uclass, _name, uclass)
+
+/**
+ * uclass_set_priv() - Set the private data for a uclass
+ *
+ * This is normally handled by driver model, which automatically allocates
+ * private data when an 'auto' size if provided by the uclass driver.
+ *
+ * Use this function to override normal operation for special situations, such
+ * as needing to allocate a variable amount of data.
+ *
+ * If OF_PLATDATA_RT is enabled, this function cannot be used out of core driver
+ * model code, since the pointer must be within the gd->dm_priv_base region.
+ *
+ * @uc		Uclass to update
+ * @priv	New private-data pointer
+ */
+void uclass_set_priv(struct uclass *uc, void *priv);
+
+/**
+ * uclass_find_next_free_seq() - Get the next free sequence number
+ *
+ * This returns the next free sequence number. This is useful only if
+ * OF_CONTROL is not used. The next free sequence number is simply the
+ * maximum sequence number used by all devices in the uclass + 1. The value
+ * returned is always greater than the largest alias, if DM_SEQ_ALIAS is enabled
+ * and the uclass has the DM_UC_FLAG_SEQ_ALIAS flag.
+ *
+ * This allows assigning the sequence number in the binding order.
+ *
+ * @uc:		uclass to check
+ * @return	The next free sequence number
+ */
+int uclass_find_next_free_seq(struct uclass *uc);
+
+/**
+ * uclass_get_device_tail() - handle the end of a get_device call
+ *
+ * This handles returning an error or probing a device as needed.
+ *
+ * @dev: Device that needs to be probed
+ * @ret: Error to return. If non-zero then the device is not probed
+ * @devp: Returns the value of 'dev' if there is no error
+ * @return ret, if non-zero, else the result of the device_probe() call
+ */
+int uclass_get_device_tail(struct udevice *dev, int ret, struct udevice **devp);
+
+/**
+ * dev_get_uclass_index() - Get uclass and index of device
+ * @dev:	- in - Device that we want the uclass/index of
+ * @ucp:	- out - A pointer to the uclass the device belongs to
+ *
+ * The device is not prepared for use - this is an internal function.
+ *
+ * @return the index of the device in the uclass list or -ENODEV if not found.
+ */
+int dev_get_uclass_index(struct udevice *dev, struct uclass **ucp);
+
+/**
+ * uclass_find_device() - Return n-th child of uclass
+ * @id:		Id number of the uclass
+ * @index:	Position of the child in uclass's list
+ * #devp:	Returns pointer to device, or NULL on error
+ *
+ * The device is not prepared for use - this is an internal function.
+ * The function uclass_get_device_tail() can be used to probe the device.
+ *
+ * @return the uclass pointer of a child at the given index or
+ * return NULL on error.
+ */
+int uclass_find_device(enum uclass_id id, int index, struct udevice **devp);
+
+/**
+ * uclass_find_first_device() - Return the first device in a uclass
+ * @id:		Id number of the uclass
+ * #devp:	Returns pointer to device, or NULL on error
+ *
+ * The device is not prepared for use - this is an internal function.
+ * The function uclass_get_device_tail() can be used to probe the device.
+ *
+ * @return 0 if OK (found or not found), -ve on error
+ */
+int uclass_find_first_device(enum uclass_id id, struct udevice **devp);
+
+/**
+ * uclass_find_next_device() - Return the next device in a uclass
+ * @devp: On entry, pointer to device to lookup. On exit, returns pointer
+ * to the next device in the same uclass, or NULL if none
+ *
+ * The device is not prepared for use - this is an internal function.
+ * The function uclass_get_device_tail() can be used to probe the device.
+ *
+ * @return 0 if OK (found or not found), -ve on error
+ */
+int uclass_find_next_device(struct udevice **devp);
+
+/**
+ * uclass_find_device_by_name() - Find uclass device based on ID and name
+ *
+ * This searches for a device with the exactly given name.
+ *
+ * The device is NOT probed, it is merely returned.
+ *
+ * @id: ID to look up
+ * @name: name of a device to find
+ * @devp: Returns pointer to device (the first one with the name)
+ * @return 0 if OK, -ve on error
+ */
+int uclass_find_device_by_name(enum uclass_id id, const char *name,
+			       struct udevice **devp);
+
+/**
+ * uclass_find_device_by_seq() - Find uclass device based on ID and sequence
+ *
+ * This searches for a device with the given seq.
+ *
+ * The device is NOT probed, it is merely returned.
+ *
+ * @id: ID to look up
+ * @seq: Sequence number to find (0=first)
+ * @devp: Returns pointer to device (there is only one per for each seq)
+ * @return 0 if OK, -ENODEV if not found
+ */
+int uclass_find_device_by_seq(enum uclass_id id, int seq,
+			      struct udevice **devp);
+
+/**
+ * uclass_find_device_by_of_offset() - Find a uclass device by device tree node
+ *
+ * This searches the devices in the uclass for one attached to the given
+ * device tree node.
+ *
+ * The device is NOT probed, it is merely returned.
+ *
+ * @id: ID to look up
+ * @node: Device tree offset to search for (if -ve then -ENODEV is returned)
+ * @devp: Returns pointer to device (there is only one for each node)
+ * @return 0 if OK, -ve on error
+ */
+int uclass_find_device_by_of_offset(enum uclass_id id, int node,
+				    struct udevice **devp);
+
+/**
+ * uclass_find_device_by_of_node() - Find a uclass device by device tree node
+ *
+ * This searches the devices in the uclass for one attached to the given
+ * device tree node.
+ *
+ * The device is NOT probed, it is merely returned.
+ *
+ * @id: ID to look up
+ * @node: Device tree offset to search for (if NULL then -ENODEV is returned)
+ * @devp: Returns pointer to device (there is only one for each node)
+ * @return 0 if OK, -ve on error
+ */
+int uclass_find_device_by_ofnode(enum uclass_id id, ofnode node,
+				 struct udevice **devp);
+
+/**
+ * uclass_find_device_by_phandle() - Find a uclass device by phandle
+ *
+ * This searches the devices in the uclass for one with the given phandle.
+ *
+ * The device is NOT probed, it is merely returned.
+ *
+ * @id: ID to look up
+ * @parent: Parent device containing the phandle pointer
+ * @name: Name of property in the parent device node
+ * @devp: Returns pointer to device (there is only one for each node)
+ * @return 0 if OK, -ENOENT if there is no @name present in the node, other
+ *	-ve on error
+ */
+int uclass_find_device_by_phandle(enum uclass_id id, struct udevice *parent,
+				  const char *name, struct udevice **devp);
+
+/**
+ * uclass_bind_device() - Associate device with a uclass
+ *
+ * Connect the device into uclass's list of devices.
+ *
+ * @dev:	Pointer to the device
+ * #return 0 on success, -ve on error
+ */
+int uclass_bind_device(struct udevice *dev);
+
+/**
+ * uclass_unbind_device() - Deassociate device with a uclass
+ *
+ * Disconnect the device from uclass's list of devices.
+ *
+ * @dev:	Pointer to the device
+ * #return 0 on success, -ve on error
+ */
+#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE)
+int uclass_unbind_device(struct udevice *dev);
+#else
+static inline int uclass_unbind_device(struct udevice *dev) { return 0; }
+#endif
+
+/**
+ * uclass_pre_probe_device() - Deal with a device that is about to be probed
+ *
+ * Perform any pre-processing that is needed by the uclass before it can be
+ * probed. This includes the uclass' pre-probe() method and the parent
+ * uclass' child_pre_probe() method.
+ *
+ * @dev:	Pointer to the device
+ * #return 0 on success, -ve on error
+ */
+int uclass_pre_probe_device(struct udevice *dev);
+
+/**
+ * uclass_post_probe_device() - Deal with a device that has just been probed
+ *
+ * Perform any post-processing of a probed device that is needed by the
+ * uclass.
+ *
+ * @dev:	Pointer to the device
+ * #return 0 on success, -ve on error
+ */
+int uclass_post_probe_device(struct udevice *dev);
+
+/**
+ * uclass_pre_remove_device() - Handle a device which is about to be removed
+ *
+ * Perform any pre-processing of a device that is about to be removed.
+ *
+ * @dev:	Pointer to the device
+ * #return 0 on success, -ve on error
+ */
+#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE)
+int uclass_pre_remove_device(struct udevice *dev);
+#else
+static inline int uclass_pre_remove_device(struct udevice *dev) { return 0; }
+#endif
+
+/**
+ * uclass_find() - Find uclass by its id
+ *
+ * @id:		Id to serach for
+ * @return pointer to uclass, or NULL if not found
+ */
+struct uclass *uclass_find(enum uclass_id key);
+
+/**
+ * uclass_destroy() - Destroy a uclass
+ *
+ * Destroy a uclass and all its devices
+ *
+ * @uc: uclass to destroy
+ * @return 0 on success, -ve on error
+ */
+int uclass_destroy(struct uclass *uc);
+
+#endif