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[v5,4/8] ARM: dts: sunxi: a83t: Add msgbox node

Message ID 20191215042455.51001-5-samuel@sholland.org (mailing list archive)
State Not Applicable, archived
Headers show
Series Allwinner sun6i message box support | expand

Commit Message

Samuel Holland Dec. 15, 2019, 4:24 a.m. UTC 
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>
---
 arch/arm/boot/dts/sun8i-a83t.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
index 53c38deb8a08..464b57d03dc0 100644
--- a/arch/arm/boot/dts/sun8i-a83t.dtsi
+++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
@@ -592,6 +592,16 @@ 
 			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";