diff --git a/libs/libfdt/src/lib.rs b/libs/libfdt/src/lib.rs
index 17cafd5..df1058e 100644
--- a/libs/libfdt/src/lib.rs
+++ b/libs/libfdt/src/lib.rs
@@ -26,6 +26,7 @@
 use core::fmt;
 use core::mem;
 use core::result;
+use zerocopy::AsBytes as _;
 
 /// Error type corresponding to libfdt error codes.
 #[derive(Clone, Copy, Debug, Eq, PartialEq)]
@@ -441,6 +442,13 @@
         fdt_err_expect_zero(ret)
     }
 
+    /// Replace the value of the given (address, size) pair property with the given value, and
+    /// ensure that the given value has the same length as the current value length
+    pub fn setprop_addrrange_inplace(&mut self, name: &CStr, addr: u64, size: u64) -> Result<()> {
+        let pair = [addr.to_be(), size.to_be()];
+        self.setprop_inplace(name, pair.as_bytes())
+    }
+
     /// Create or change a flag-like empty property.
     pub fn setprop_empty(&mut self, name: &CStr) -> Result<()> {
         self.setprop(name, &[])