[PATCH 3/3] arm64: dts: imx8mp: add mu node

[peng . fan]

From: Peng Fan <peng.fan@xxxxxxx>

Add mu node to let A53 could communicate with M Core.

Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
---
 arch/arm64/boot/dts/freescale/imx8mp.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 73535601261e..0b127a25657a 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -621,6 +621,15 @@
 				status = "disabled";
 			};
 
+			mu: mailbox@30aa0000 {
+				compatible = "fsl,imx6sx-mu";
+				reg = <0x30aa0000 0x10000>;
+				interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clk IMX8MP_CLK_MU_ROOT>;
+				clock-names = "mu";
+				#mbox-cells = <2>;
+			};
+
 			i2c5: i2c@30ad0000 {
 				compatible = "fsl,imx8mp-i2c", "fsl,imx21-i2c";
 				#address-cells = <1>;
-- 
2.16.4