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@xxxxxxxxxxxx> --- arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi index 3329283e38ab..46e2cb28c86b 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi @@ -239,6 +239,16 @@ dma: dma-controller@3002000 { #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>; -- 2.24.1