diff --git a/src/arm/st/stih407.dtsi b/src/arm/st/stih407.dtsi
new file mode 100644
index 0000000..aca43d2
--- /dev/null
+++ b/src/arm/st/stih407.dtsi
@@ -0,0 +1,145 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2015 STMicroelectronics Limited.
+ * Author: Gabriel Fernandez <gabriel.fernandez@linaro.org>
+ */
+#include "stih407-clock.dtsi"
+#include "stih407-family.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+/ {
+	soc {
+		sti-display-subsystem@0 {
+			compatible = "st,sti-display-subsystem";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0 0>;
+			assigned-clocks = <&clk_s_d2_quadfs 0>,
+					  <&clk_s_d2_quadfs 1>,
+					  <&clk_s_c0_pll1 0>,
+					  <&clk_s_c0_flexgen CLK_COMPO_DVP>,
+					  <&clk_s_c0_flexgen CLK_MAIN_DISP>,
+					  <&clk_s_d2_flexgen CLK_PIX_MAIN_DISP>,
+					  <&clk_s_d2_flexgen CLK_PIX_AUX_DISP>,
+					  <&clk_s_d2_flexgen CLK_PIX_GDP1>,
+					  <&clk_s_d2_flexgen CLK_PIX_GDP2>,
+					  <&clk_s_d2_flexgen CLK_PIX_GDP3>,
+					  <&clk_s_d2_flexgen CLK_PIX_GDP4>;
+
+			assigned-clock-parents = <0>,
+						 <0>,
+						 <0>,
+						 <&clk_s_c0_pll1 0>,
+						 <&clk_s_c0_pll1 0>,
+						 <&clk_s_d2_quadfs 0>,
+						 <&clk_s_d2_quadfs 1>,
+						 <&clk_s_d2_quadfs 0>,
+						 <&clk_s_d2_quadfs 0>,
+						 <&clk_s_d2_quadfs 0>,
+						 <&clk_s_d2_quadfs 0>;
+
+			assigned-clock-rates = <297000000>,
+					       <108000000>,
+					       <0>,
+					       <400000000>,
+					       <400000000>;
+
+			ranges;
+
+			sti-compositor@9d11000 {
+				compatible = "st,stih407-compositor";
+				reg = <0x9d11000 0x1000>;
+
+				clock-names = "compo_main",
+					      "compo_aux",
+					      "pix_main",
+					      "pix_aux",
+					      "pix_gdp1",
+					      "pix_gdp2",
+					      "pix_gdp3",
+					      "pix_gdp4",
+					      "main_parent",
+					      "aux_parent";
+
+				clocks = <&clk_s_c0_flexgen CLK_COMPO_DVP>,
+					 <&clk_s_c0_flexgen CLK_COMPO_DVP>,
+					 <&clk_s_d2_flexgen CLK_PIX_MAIN_DISP>,
+					 <&clk_s_d2_flexgen CLK_PIX_AUX_DISP>,
+					 <&clk_s_d2_flexgen CLK_PIX_GDP1>,
+					 <&clk_s_d2_flexgen CLK_PIX_GDP2>,
+					 <&clk_s_d2_flexgen CLK_PIX_GDP3>,
+					 <&clk_s_d2_flexgen CLK_PIX_GDP4>,
+					 <&clk_s_d2_quadfs 0>,
+					 <&clk_s_d2_quadfs 1>;
+
+				reset-names = "compo-main", "compo-aux";
+				resets = <&softreset STIH407_COMPO_SOFTRESET>,
+					 <&softreset STIH407_COMPO_SOFTRESET>;
+				st,vtg = <&vtg_main>, <&vtg_aux>;
+			};
+
+			sti-tvout@8d08000 {
+				compatible = "st,stih407-tvout";
+				reg = <0x8d08000 0x1000>;
+				reg-names = "tvout-reg";
+				reset-names = "tvout";
+				resets = <&softreset STIH407_HDTVOUT_SOFTRESET>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+				assigned-clocks = <&clk_s_d2_flexgen CLK_PIX_HDMI>,
+						  <&clk_s_d2_flexgen CLK_TMDS_HDMI>,
+						  <&clk_s_d2_flexgen CLK_REF_HDMIPHY>,
+						  <&clk_s_d0_flexgen CLK_PCM_0>,
+						  <&clk_s_d2_flexgen CLK_PIX_HDDAC>,
+						  <&clk_s_d2_flexgen CLK_HDDAC>;
+
+				assigned-clock-parents = <&clk_s_d2_quadfs 0>,
+							 <&clk_tmdsout_hdmi>,
+							 <&clk_s_d2_quadfs 0>,
+							 <&clk_s_d0_quadfs 0>,
+							 <&clk_s_d2_quadfs 0>,
+							 <&clk_s_d2_quadfs 0>;
+			};
+
+			sti_hdmi: sti-hdmi@8d04000 {
+				compatible = "st,stih407-hdmi";
+				reg = <0x8d04000 0x1000>;
+				reg-names = "hdmi-reg";
+				#sound-dai-cells = <0>;
+				interrupts = <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-names = "irq";
+				clock-names = "pix",
+					      "tmds",
+					      "phy",
+					      "audio",
+					      "main_parent",
+					      "aux_parent";
+
+				clocks = <&clk_s_d2_flexgen CLK_PIX_HDMI>,
+					 <&clk_s_d2_flexgen CLK_TMDS_HDMI>,
+					 <&clk_s_d2_flexgen CLK_REF_HDMIPHY>,
+					 <&clk_s_d0_flexgen CLK_PCM_0>,
+					 <&clk_s_d2_quadfs 0>,
+					 <&clk_s_d2_quadfs 1>;
+
+				hdmi,hpd-gpio = <&pio5 3 GPIO_ACTIVE_LOW>;
+				reset-names = "hdmi";
+				resets = <&softreset STIH407_HDMI_TX_PHY_SOFTRESET>;
+				ddc = <&hdmiddc>;
+			};
+
+			sti-hda@8d02000 {
+				compatible = "st,stih407-hda";
+				reg = <0x8d02000 0x400>, <0x92b0120 0x4>;
+				reg-names = "hda-reg", "video-dacs-ctrl";
+				clock-names = "pix",
+					      "hddac",
+					      "main_parent",
+					      "aux_parent";
+				clocks = <&clk_s_d2_flexgen CLK_PIX_HDDAC>,
+					 <&clk_s_d2_flexgen CLK_HDDAC>,
+					 <&clk_s_d2_quadfs 0>,
+					 <&clk_s_d2_quadfs 1>;
+			};
+		};
+	};
+};