Merge branch 'master' of git://git.denx.de/u-boot-sunxi

[u-boot] / include / dm / device-internal.h

diff --git a/include/dm/device-internal.h b/include/dm/device-internal.h
index 7005d03d08f5d96adcd3f28c2a11f7f9e318ec44..f4af15448fabd46702c4d439700b6ca4db82482f 100644 (file)
--- a/include/dm/device-internal.h
+++ b/include/dm/device-internal.h
@@ -1,16 +1,18 @@
+/* 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;
 
 /**
@@ -31,13 +33,40 @@ 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
  *
@@ -48,7 +77,7 @@ int device_bind(struct udevice *parent, struct driver *drv,
  * @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,
@@ -72,9 +101,14 @@ int device_probe(struct udevice *dev);
  * 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)
  */
-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, uint flags) { return 0; }
+#endif
 
 /**
  * device_unbind() - Unbind a device, destroying it
@@ -84,10 +118,64 @@ int device_remove(struct udevice *dev);
  * @dev: Pointer to device to unbind
  * @return 0 if OK, -ve on error
  */
+#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
+
+#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