+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2013 Google, Inc
*
* (C) Copyright 2012
* Pavel Herrmann <morpheus.ibis@gmail.com>
* Marek Vasut <marex@denx.de>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _DM_DEVICE_INTERNAL_H
#define _DM_DEVICE_INTERNAL_H
+#include <dm/ofnode.h>
+
+struct device_node;
struct udevice;
/**
* devices which use device tree.
* @of_offset: Offset of device tree node for this device. This is -1 for
* devices which don't use device tree.
- * @devp: Returns a pointer to the bound device
+ * @devp: if non-NULL, returns a pointer to the bound device
* @return 0 if OK, -ve on error
*/
-int device_bind(struct udevice *parent, struct driver *drv,
+int device_bind(struct udevice *parent, const struct driver *drv,
const char *name, void *platdata, int of_offset,
struct udevice **devp);
+int device_bind_ofnode(struct udevice *parent, const struct driver *drv,
+ const char *name, void *platdata, ofnode node,
+ struct udevice **devp);
+
+/**
+ * device_bind_with_driver_data() - Create a device and bind it to a driver
+ *
+ * Called to set up a new device attached to a driver, in the case where the
+ * driver was matched to the device by means of a match table that provides
+ * driver_data.
+ *
+ * Once bound a device exists but is not yet active until device_probe() is
+ * called.
+ *
+ * @parent: Pointer to device's parent, under which this driver will exist
+ * @drv: Device's driver
+ * @name: Name of device (e.g. device tree node name)
+ * @driver_data: The driver_data field from the driver's match table.
+ * @node: Device tree node for this device. This is invalid for devices which
+ * don't use device tree.
+ * @devp: if non-NULL, returns a pointer to the bound device
+ * @return 0 if OK, -ve on error
+ */
+int device_bind_with_driver_data(struct udevice *parent,
+ const struct driver *drv, const char *name,
+ ulong driver_data, ofnode node,
+ struct udevice **devp);
/**
* device_bind_by_name: Create a device and bind it to a driver
*
* @pre_reloc_only: If true, bind the driver only if its DM_INIT_F flag is set.
* If false bind the driver always.
* @info: Name and platdata for this device
- * @devp: Returns a pointer to the bound device
+ * @devp: if non-NULL, returns a pointer to the bound device
* @return 0 if OK, -ve on error
*/
int device_bind_by_name(struct udevice *parent, bool pre_reloc_only,
*/
int device_probe(struct udevice *dev);
-/**
- * device_probe() - Probe a child device, activating it
- *
- * Activate a device so that it is ready for use. All its parents are probed
- * first. The child is provided with parent data if parent_priv is not NULL.
- *
- * @dev: Pointer to device to probe
- * @parent_priv: Pointer to parent data. If non-NULL then this is provided to
- * the child.
- * @return 0 if OK, -ve on error
- */
-int device_probe_child(struct udevice *dev, void *parent_priv);
-
/**
* device_remove() - Remove a device, de-activating it
*
* children are deactivated first.
*
* @dev: Pointer to device to remove
+ * @flags: Flags for selective device removal (DM_REMOVE_...)
* @return 0 if OK, -ve on error (an error here is normally a very bad thing)
*/
-#ifdef CONFIG_DM_DEVICE_REMOVE
-int device_remove(struct udevice *dev);
+#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE)
+int device_remove(struct udevice *dev, uint flags);
#else
-static inline int device_remove(struct udevice *dev) { return 0; }
+static inline int device_remove(struct udevice *dev, uint flags) { return 0; }
#endif
/**
* @dev: Pointer to device to unbind
* @return 0 if OK, -ve on error
*/
-#ifdef CONFIG_DM_DEVICE_REMOVE
+#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE)
int device_unbind(struct udevice *dev);
#else
static inline int device_unbind(struct udevice *dev) { return 0; }
#endif
-#ifdef CONFIG_DM_DEVICE_REMOVE
+#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE)
void device_free(struct udevice *dev);
#else
static inline void device_free(struct udevice *dev) {}
#endif
+/**
+ * simple_bus_translate() - translate a bus address to a system address
+ *
+ * This handles the 'ranges' property in a simple bus. It translates the
+ * device address @addr to a system address using this property.
+ *
+ * @dev: Simple bus device (parent of target device)
+ * @addr: Address to translate
+ * @return new address
+ */
+fdt_addr_t simple_bus_translate(struct udevice *dev, fdt_addr_t addr);
+
/* Cast away any volatile pointer */
#define DM_ROOT_NON_CONST (((gd_t *)gd)->dm_root)
#define DM_UCLASS_ROOT_NON_CONST (((gd_t *)gd)->uclass_root)
+/* device resource management */
+#ifdef CONFIG_DEVRES
+
+/**
+ * devres_release_probe - Release managed resources allocated after probing
+ * @dev: Device to release resources for
+ *
+ * Release all resources allocated for @dev when it was probed or later.
+ * This function is called on driver removal.
+ */
+void devres_release_probe(struct udevice *dev);
+
+/**
+ * devres_release_all - Release all managed resources
+ * @dev: Device to release resources for
+ *
+ * Release all resources associated with @dev. This function is
+ * called on driver unbinding.
+ */
+void devres_release_all(struct udevice *dev);
+
+#else /* ! CONFIG_DEVRES */
+
+static inline void devres_release_probe(struct udevice *dev)
+{
+}
+
+static inline void devres_release_all(struct udevice *dev)
+{
+}
+
+#endif /* ! CONFIG_DEVRES */
#endif
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