arm64: dts: allwinner: h6: Add msgbox node

The H6 SoC contains a message box that can be used to send messages and
interrupts back and forth between the ARM application CPUs and the ARISC
coprocessor. Add a device tree node for it.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
index b9ab7d8..a5ee683 100644 (file)
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
@@ -231,6 +231,16 @@
                        #dma-cells = <1>;
                };
 
+               msgbox: mailbox@3003000 {
+                       compatible = "allwinner,sun50i-h6-msgbox",
+                                    "allwinner,sun6i-a31-msgbox";
+                       reg = <0x03003000 0x1000>;
+                       clocks = <&ccu CLK_BUS_MSGBOX>;
+                       resets = <&ccu RST_BUS_MSGBOX>;
+                       interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
+                       #mbox-cells = <1>;
+               };
+
                sid: efuse@3006000 {
                        compatible = "allwinner,sun50i-h6-sid";
                        reg = <0x03006000 0x400>;