linux-kernel - [PATCH V4 4/8] arm64: dts: imx93: add s4 mu node

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Date:   Mon,  5 Sep 2022 13:59:11 +0800
From:   "Peng Fan (OSS)" <peng.fan@....nxp.com>
To:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de
Cc:     kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        aisheng.dong@....com, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Peng Fan <peng.fan@....com>
Subject: [PATCH V4 4/8] arm64: dts: imx93: add s4 mu node

From: Peng Fan <peng.fan@....com>

Add s4 mu node for sentinel communication

Signed-off-by: Peng Fan <peng.fan@....com>
---
 arch/arm64/boot/dts/freescale/imx93.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi
index 26d5ce4a5f2c..bb9e96ffb70a 100644
--- a/arch/arm64/boot/dts/freescale/imx93.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx93.dtsi
@@ -342,5 +342,14 @@ gpio1: gpio@...00080 {
 			clock-names = "gpio", "port";
 			gpio-ranges = <&iomuxc 0 0 32>;
 		};
+
+		s4muap: mailbox@...20000 {
+			compatible = "fsl,imx93-mu-s4";
+			reg = <0x47520000 0x10000>;
+			interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "txirq", "rxirq";
+			#mbox-cells = <2>;
+		};
 	};
 };
-- 
2.37.1