From 66ab75ff9659c2a082f86a73ccb324f821dbd7b6 Mon Sep 17 00:00:00 2001
From: Iuliana Prodan <iuliana.prodan@nxp.com>
Date: Mon, 16 Dec 2024 03:22:32 +0200
Subject: [PATCH] dts: xtensa: nxp: add mailbox node

Add mailbox node used for inter-process communication.

Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com>
---
 dts/xtensa/nxp/nxp_imx8ulp.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/dts/xtensa/nxp/nxp_imx8ulp.dtsi b/dts/xtensa/nxp/nxp_imx8ulp.dtsi
index f3abb2e6570..f10d6a87c58 100644
--- a/dts/xtensa/nxp/nxp_imx8ulp.dtsi
+++ b/dts/xtensa/nxp/nxp_imx8ulp.dtsi
@@ -98,4 +98,14 @@
 		dai-index = <6>;
 		status = "disabled";
 	};
+
+	mu3: mbox@2da20000 {
+		compatible = "nxp,mbox-imx-mu";
+		reg = <0x2da20000 DT_SIZE_K(64)>;
+		interrupt-parent = <&clic>;
+		interrupts = <15 0 0>;
+		rx-channels = <4>;
+		#mbox-cells = <1>;
+		status = "disabled";
+	};
 };