diff --git a/gen_devtree.pl b/gen_devtree.pl
index 7e9fb31..d737fea 100755
--- a/gen_devtree.pl
+++ b/gen_devtree.pl
@@ -416,6 +416,13 @@
 
             $spiMaster{$flashName}{status} = "okay";
 
+            #AST2500 PNORs need a label
+            my $function = $g_targetObj->getAttribute($spi->{SOURCE},
+                                                      "SPI_FUNCTION");
+            if ($function eq "PNOR") {
+                $spiMaster{$flashName}{label} = "pnor";
+            }
+
             $chipSelect++;
         }
     }