1 files changed, 73 insertions, 0 deletions
diff --git a/overlays/colibri-imx8x_hmp_overlay.dts b/overlays/colibri-imx8x_hmp_overlay.dts
new file mode 100644
index 0000000..de56bb9
--- /dev/null
+++ b/overlays/colibri-imx8x_hmp_overlay.dts
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/* Copyright 2025 Toradex */
+
+// Enable RPMSG and RemoteProc for Colibri iMX8X
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/firmware/imx/rsrc.h>
+
+/ {
+	compatible = "toradex,colibri-imx8x";
+};
+
+&{/} {
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	imx8x-cm4 {
+		compatible = "fsl,imx8qxp-cm4";
+		mbox-names = "tx", "rx", "rxdb";
+		mboxes = <&lsio_mu5 0 1
+			  &lsio_mu5 1 1
+			  &lsio_mu5 3 1>;
+		memory-region = <&vdev0buffer>, <&vdev0vring0>, <&vdev0vring1>,
+				<&vdev1vring0>, <&vdev1vring1>, <&rsc_table>;
+		power-domains = <&pd IMX_SC_R_M4_0_PID0>,
+				<&pd IMX_SC_R_M4_0_MU_1A>;
+		fsl,entry-address = <0x34fe0000>;
+		fsl,resource-id = <IMX_SC_R_M4_0_PID0>;
+	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		vdev0vring0: vdev0vring0@90000000 {
+			reg = <0 0x90000000 0 0x8000>;
+			no-map;
+		};
+
+		vdev0vring1: vdev0vring1@90008000 {
+			reg = <0 0x90008000 0 0x8000>;
+			no-map;
+		};
+
+		vdev1vring0: vdev1vring0@90010000 {
+			reg = <0 0x90010000 0 0x8000>;
+			no-map;
+		};
+
+		vdev1vring1: vdev1vring1@90018000 {
+			reg = <0 0x90018000 0 0x8000>;
+			no-map;
+		};
+
+		rsc_table: rsc-table@900ff000 {
+			reg = <0 0x900ff000 0 0x1000>;
+			no-map;
+		};
+
+		vdev0buffer: vdev0buffer@90400000 {
+                        compatible = "shared-dma-pool";
+			reg = <0 0x90400000 0 0x100000>;
+			no-map;
+		};
+	};
+};
+
+&lsio_mu5 {
+	status = "okay";
+};