[U-Boot] [PATCH 02/13] dm: core: Add a new api to get indexed device address

[Mugunthan V N]

Add new api to get device address based on index.

Signed-off-by: Mugunthan V N <mugunthanvnm at ti.com>
---
 drivers/core/device.c | 20 ++++++++++++++++++++
 include/dm/device.h   |  9 +++++++++
 2 files changed, 29 insertions(+)

diff --git a/drivers/core/device.c b/drivers/core/device.c
index a3dc2ca..7557e5c 100644
--- a/drivers/core/device.c
+++ b/drivers/core/device.c
@@ -620,6 +620,26 @@ fdt_addr_t dev_get_addr(struct udevice *dev)
 #endif
 }
 
+fdt_addr_t dev_get_addr_index(struct udevice *dev, int index)
+{
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+	fdt_addr_t addr;
+
+	addr = fdtdec_get_addr_size_auto_parent(gd->fdt_blob,
+						dev->parent->of_offset,
+						dev->of_offset, "reg",
+						index, NULL);
+	if (CONFIG_IS_ENABLED(SIMPLE_BUS) && addr != FDT_ADDR_T_NONE) {
+		if (device_get_uclass_id(dev->parent) == UCLASS_SIMPLE_BUS)
+			addr = simple_bus_translate(dev->parent, addr);
+	}
+
+	return addr;
+#else
+	return FDT_ADDR_T_NONE;
+#endif
+}
+
 bool device_has_children(struct udevice *dev)
 {
 	return !list_empty(&dev->child_head);
diff --git a/include/dm/device.h b/include/dm/device.h
index 8519612..e6506b4 100644
--- a/include/dm/device.h
+++ b/include/dm/device.h
@@ -441,6 +441,15 @@ int device_find_next_child(struct udevice **devp);
 fdt_addr_t dev_get_addr(struct udevice *dev);
 
 /**
+ * dev_get_addr() - Get the reg property of a device
+ *
+ * @dev: Pointer to a device
+ *
+ * @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
-- 
2.6.2.280.g74301d6