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[v2,08/10] ARM: dts: sunxi: h3/h5: Add msgbox node

Message ID 20190301052947.32032-9-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 H3 and H5 SoCs contain 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/sunxi-h3-h5.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
index a4c757c0b741..a42fd3f9739e 100644
--- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
@@ -227,6 +227,16 @@ 
 			#size-cells = <0>;
 		};
 
+		msgbox: mailbox@1c17000 {
+			compatible = "allwinner,sun8i-h3-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 = <2>;
+		};
+
 		usb_otg: usb@1c19000 {
 			compatible = "allwinner,sun8i-h3-musb";
 			reg = <0x01c19000 0x400>;