diff --git a/src/freedreno/registers/rules-ng.xsd b/src/freedreno/registers/rules-ng.xsd
index 10b5f3712f8..a5a33412aed 100644
--- a/src/freedreno/registers/rules-ng.xsd
+++ b/src/freedreno/registers/rules-ng.xsd
@@ -181,8 +181,9 @@
 			<group ref="rng:topGroup" />
 		</choice>
 		<attribute name="name" type="NMTOKEN" use="required" />
-		<attribute name="high" type="nonNegativeInteger" use="required" />
-		<attribute name="low" type="nonNegativeInteger" use="required" />
+		<attribute name="high" type="nonNegativeInteger" use="optional" />
+		<attribute name="low" type="nonNegativeInteger" use="optional" />
+		<attribute name="pos" type="nonNegativeInteger" use="optional" />
 		<attribute name="type" type="NMTOKENS" use="optional" />
 		<attribute name="varset" type="NMTOKEN" use="optional" />
 		<attribute name="variants" type="string" use="optional" />