diff mbox series

[v6,5/6] arm64: dts: allwinner: a64: Add msgbox node

Message ID 20200113051852.15996-6-samuel@sholland.org
State New
Headers show
Series Allwinner sun6i message box support | expand

Commit Message

Samuel Holland Jan. 13, 2020, 5:18 a.m. UTC 
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@sholland.org>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 0287d8458675..690f0a7d9cfa 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -487,6 +487,16 @@ 
 			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 = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+			#mbox-cells = <1>;
+		};
+
 		usb_otg: usb@1c19000 {
 			compatible = "allwinner,sun8i-a33-musb";
 			reg = <0x01c19000 0x0400>;