From 3e3f39a774381c68a9387b65e333c2280e4df27d Mon Sep 17 00:00:00 2001 From: Samuel Holland Date: Sat, 22 Feb 2020 22:08:52 -0600 Subject: [PATCH] arm64: dts: allwinner: a64: Add msgbox node 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 Signed-off-by: Maxime Ripard --- 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 31143fe..8d10fe6 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -557,6 +557,16 @@ 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 = ; + #mbox-cells = <1>; + }; + usb_otg: usb@1c19000 { compatible = "allwinner,sun8i-a33-musb"; reg = <0x01c19000 0x0400>; -- 2.7.4