The A64 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@xxxxxxxxxxxx>
---
arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 862b47dc9dc9..18492b542260 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -545,6 +545,16 @@ crypto: crypto@1c15000 {
resets = <&ccu RST_BUS_CE>;
};
+ msgbox: mailbox@1c17000 {
+ compatible = "allwinner,sun50i-a64-msgbox",
+ "allwinner,sun6i-a31-msgbox";
+ reg = <0x01c17000 0x1000>;
+ clocks = <&ccu CLK_BUS_MSGBOX>;
+ resets = <&ccu RST_BUS_MSGBOX>;
+ interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+ #mbox-cells = <1>;
+ };
+
usb_otg: usb@1c19000 {
compatible = "allwinner,sun8i-a33-musb";
reg = <0x01c19000 0x0400>;
--
2.24.1
