arm64: dts: imx95: add p2a reply channel

For Platform to Agent(p2a) notification, i.MX95 System Manager(SM)
firmware requires a reply communication. So add mailbox channel for
p2a reply communication.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx95.dtsi b/arch/arm64/boot/dts/freescale/imx95.dtsi
index 1bbf9a0468f695bc5b2bf88212c7a8b2f7dad847..086885f42b50643e210582675e78bae771d2c249 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx95.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx95.dtsi
@@ -281,7 +281,7 @@
        firmware {
                scmi {
                        compatible = "arm,scmi";
-                       mboxes = <&mu2 5 0>, <&mu2 3 0>, <&mu2 3 1>;
+                       mboxes = <&mu2 5 0>, <&mu2 3 0>, <&mu2 3 1>, <&mu2 5 1>;
                        shmem = <&scmi_buf0>, <&scmi_buf1>;
                        #address-cells = <1>;
                        #size-cells = <0>;