diff --git a/arch/arm64/boot/dts/st/stm32mp231.dtsi b/arch/arm64/boot/dts/st/stm32mp231.dtsi
index 03c71a403f13..8afd175b9e1c 100644
--- a/arch/arm64/boot/dts/st/stm32mp231.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp231.dtsi
@@ -45,6 +45,12 @@ clk_dsi_txbyte: clock-0 {
 		clock-frequency = <0>;
 	};
 
+	clk_flexgen_27_fixed: clk-54000000 {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <54000000>;
+	};
+
 	clk_rcbsec: clk-64000000 {
 		compatible = "fixed-clock";
 		#clock-cells = <0>;
diff --git a/arch/arm64/boot/dts/st/stm32mp235.dtsi b/arch/arm64/boot/dts/st/stm32mp235.dtsi
index 2719c088dd59..ae98f503529f 100644
--- a/arch/arm64/boot/dts/st/stm32mp235.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp235.dtsi
@@ -5,6 +5,12 @@
  */
 #include "stm32mp233.dtsi"
 
+&ltdc {
+	compatible = "st,stm32mp255-ltdc";
+	clocks = <&clk_flexgen_27_fixed>, <&rcc CK_BUS_LTDC>, <&syscfg>, <&lvds>;
+	clock-names = "lcd", "bus", "ref", "lvds";
+};
+
 &rifsc {
 	vdec: vdec@480d0000 {
 		compatible = "st,stm32mp25-vdec";