Add new api to get device address based on index.
Signed-off-by: Mugunthan V N <[email protected]>
---
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
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