diff --git a/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20-ref.dts b/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20-ref.dts
index 727ae5f8c4e7..6aebcf3a0be4 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20-ref.dts
+++ b/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20-ref.dts
@@ -44,6 +44,7 @@
 
 /dts-v1/;
 /include/ "uniphier-ph1-ld20.dtsi"
+/include/ "uniphier-ref-daughter.dtsi"
 /include/ "uniphier-support-card.dtsi"
 
 / {
diff --git a/arch/arm64/boot/dts/socionext/uniphier-ref-daughter.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ref-daughter.dtsi
new file mode 120000
index 000000000000..4685a8d89cba
--- /dev/null
+++ b/arch/arm64/boot/dts/socionext/uniphier-ref-daughter.dtsi
@@ -0,0 +1 @@
+../../../../arm/boot/dts/uniphier-ref-daughter.dtsi
\ No newline at end of file