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authorSamuel Holland <samuel@sholland.org>2020-02-23 07:08:50 +0300
committerMaxime Ripard <maxime@cerno.tech>2020-04-14 10:21:25 +0300
commit9a0e4df7f9bebb07cc0a1737d6f63f9dcbac3cbc (patch)
tree6fc4288879bc7a1cb765a123f50839f4ad08e888
parentc21c2c86f6067d4d7c2bf5eab4940dd0c18dbecf (diff)
downloadlinux-9a0e4df7f9bebb07cc0a1737d6f63f9dcbac3cbc.tar.xz
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>
-rw-r--r--arch/arm/boot/dts/sun8i-a83t.dtsi10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
index 655404d6d3a3..c010b27fdb6a 100644
--- 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";