serial: pl01x: Add support for devices with the rate pre-configured.

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

diff --git a/include/dm/device.h b/include/dm/device.h
index 28ba4ca..1cf8150 100644 (file)
--- a/include/dm/device.h
+++ b/include/dm/device.h
@@ -454,6 +454,17 @@ int device_find_next_child(struct udevice **devp);
 fdt_addr_t dev_get_addr(struct udevice *dev);
 
 /**
+ * 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);
+
+/**
  * device_has_children() - check if a device has any children
  *
  * @dev:       Device to check
@@ -509,6 +520,18 @@ static inline bool device_is_on_pci_bus(struct udevice *dev)
        return device_get_uclass_id(dev->parent) == UCLASS_PCI;
 }
 
+/**
+ * device_foreach_child_safe() - iterate through child devices safely
+ *
+ * This allows the @pos child to be removed in the loop if required.
+ *
+ * @pos: struct udevice * for the current device
+ * @next: struct udevice * for the next device
+ * @parent: parent device to scan
+ */
+#define device_foreach_child_safe(pos, next, parent)   \
+       list_for_each_entry_safe(pos, next, &parent->child_head, sibling_node)
+
 /* device resource management */
 typedef void (*dr_release_t)(struct udevice *dev, void *res);
 typedef int (*dr_match_t)(struct udevice *dev, void *res, void *match_data);
@@ -764,4 +787,25 @@ 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