dm: core: Add ofnode to represent device tree nodes

[platform/kernel/u-boot.git] / include / dm / device.h

diff --git a/include/dm/device.h b/include/dm/device.h
index df02e41..489cf33 100644 (file)
--- a/include/dm/device.h
+++ b/include/dm/device.h
@@ -11,6 +11,7 @@
 #ifndef _DM_DEVICE_H
 #define _DM_DEVICE_H
 
+#include <dm/ofnode.h>
 #include <dm/uclass-id.h>
 #include <fdtdec.h>
 #include <linker_lists.h>
@@ -103,7 +104,7 @@ enum {
  * @platdata: Configuration data for this device
  * @parent_platdata: The parent bus's configuration data for this device
  * @uclass_platdata: The uclass's configuration data for this device
- * @of_offset: Device tree node offset for this device (- for none)
+ * @node: Reference to device tree node for this device
  * @driver_data: Driver data word for the entry that matched this device with
  *             its driver
  * @parent: Parent of this device, or NULL for the top level device
@@ -129,7 +130,7 @@ struct udevice {
        void *platdata;
        void *parent_platdata;
        void *uclass_platdata;
-       int of_offset;
+       ofnode node;
        ulong driver_data;
        struct udevice *parent;
        void *priv;
@@ -158,12 +159,17 @@ struct udevice {
 
 static inline int dev_of_offset(const struct udevice *dev)
 {
-       return dev->of_offset;
+       return ofnode_to_offset(dev->node);
 }
 
 static inline void dev_set_of_offset(struct udevice *dev, int of_offset)
 {
-       dev->of_offset = of_offset;
+       dev->node = offset_to_ofnode(of_offset);
+}
+
+static inline bool dev_has_of_node(struct udevice *dev)
+{
+       return ofnode_valid(dev->node);
 }
 
 /**
@@ -499,77 +505,6 @@ int device_find_first_child(struct udevice *parent, struct udevice **devp);
 int device_find_next_child(struct udevice **devp);
 
 /**
- * dev_get_addr() - Get the reg property of a device
- *
- * @dev: Pointer to a device
- *
- * @return addr
- */
-fdt_addr_t dev_get_addr(struct udevice *dev);
-
-/**
- * dev_get_addr_ptr() - Return pointer to the address of the reg property
- *                      of a device
- *
- * @dev: Pointer to a device
- *
- * @return Pointer to addr, or NULL if there is no such property
- */
-void *dev_get_addr_ptr(struct udevice *dev);
-
-/**
- * dev_map_physmem() - Read device address from reg property of the
- *                     device node and map the address into CPU address
- *                     space.
- *
- * @dev: Pointer to device
- * @size: size of the memory to map
- *
- * @return  mapped address, or NULL if the device does not have reg
- *          property.
- */
-void *dev_map_physmem(struct udevice *dev, unsigned long size);
-
-/**
- * dev_get_addr_index() - Get the indexed reg property of a device
- *
- * @dev: Pointer to a device
- * @index: the 'reg' property can hold a list of <addr, size> pairs
- *        and @index is used to select which one is required
- *
- * @return addr
- */
-fdt_addr_t dev_get_addr_index(struct udevice *dev, int index);
-
-/**
- * dev_get_addr_size_index() - Get the indexed reg property of a device
- *
- * Returns the address and size specified in the 'reg' property of a device.
- *
- * @dev: Pointer to a device
- * @index: the 'reg' property can hold a list of <addr, size> pairs
- *        and @index is used to select which one is required
- * @size: Pointer to size varible - this function returns the size
- *        specified in the 'reg' property here
- *
- * @return addr
- */
-fdt_addr_t dev_get_addr_size_index(struct udevice *dev, int index,
-                                  fdt_size_t *size);
-
-/**
- * dev_get_addr_name() - Get the reg property of a device, indexed by name
- *
- * @dev: Pointer to a device
- * @name: the 'reg' property can hold a list of <addr, size> pairs, with the
- *       'reg-names' property providing named-based identification. @index
- *       indicates the value to search for in 'reg-names'.
- *
- * @return addr
- */
-fdt_addr_t dev_get_addr_name(struct udevice *dev, const char *name);
-
-/**
  * device_has_children() - check if a device has any children
  *
  * @dev:       Device to check
@@ -944,25 +879,4 @@ static inline void devm_kfree(struct udevice *dev, void *ptr)
 
 #endif /* ! CONFIG_DEVRES */
 
-/**
- * dm_set_translation_offset() - Set translation offset
- * @offs: Translation offset
- *
- * Some platforms need a special address translation. Those
- * platforms (e.g. mvebu in SPL) can configure a translation
- * offset in the DM by calling this function. It will be
- * added to all addresses returned in dev_get_addr().
- */
-void dm_set_translation_offset(fdt_addr_t offs);
-
-/**
- * dm_get_translation_offset() - Get translation offset
- *
- * This function returns the translation offset that can
- * be configured by calling dm_set_translation_offset().
- *
- * @return translation offset for the device address (0 as default).
- */
-fdt_addr_t dm_get_translation_offset(void);
-
 #endif