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[v2,06/10] ARM: dts: sunxi: a80: Add msgbox node

Message ID 20190301052947.32032-7-samuel@sholland.org (mailing list archive)
State New, archived
Headers show
Series Allwinner sunxi message box support | expand

Commit Message

Samuel Holland March 1, 2019, 5:29 a.m. UTC 
The A80 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/arm/boot/dts/sun9i-a80.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/arch/arm/boot/dts/sun9i-a80.dtsi b/arch/arm/boot/dts/sun9i-a80.dtsi
index d9532fb1ef65..10e878f94fc0 100644
--- a/arch/arm/boot/dts/sun9i-a80.dtsi
+++ b/arch/arm/boot/dts/sun9i-a80.dtsi
@@ -283,6 +283,16 @@ 
 			};
 		};
 
+		msgbox: mailbox@803000 {
+			compatible = "allwinner,sun9i-a80-msgbox",
+				     "allwinner,sun6i-a31-msgbox";
+			reg = <0x00803000 0x1000>;
+			clocks = <&ccu CLK_BUS_MSGBOX>;
+			resets = <&ccu RST_BUS_MSGBOX>;
+			interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+			#mbox-cells = <1>;
+		};
+
 		ehci0: usb@a00000 {
 			compatible = "allwinner,sun9i-a80-ehci", "generic-ehci";
 			reg = <0x00a00000 0x100>;