ARM: dts: sunxi: a83t: Add msgbox node

The A83T 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.

Tested-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>

diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
index 655404d..c010b27 100644 (file)
--- a/arch/arm/boot/dts/sun8i-a83t.dtsi
+++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
@@ -610,6 +610,16 @@
                        clock-names = "bus", "mod";
                };
 
+               msgbox: mailbox@1c17000 {
+                       compatible = "allwinner,sun8i-a83t-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-a83t-musb",
                                     "allwinner,sun8i-a33-musb";