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Message-Id: <20190820032311.6506-6-samuel@sholland.org>
Date: Mon, 19 Aug 2019 22:23:06 -0500
From: Samuel Holland <samuel@...lland.org>
To: Maxime Ripard <maxime.ripard@...tlin.com>,
Chen-Yu Tsai <wens@...e.org>,
Jassi Brar <jassisinghbrar@...il.com>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Corentin Labbe <clabbe.montjoie@...il.com>,
Vasily Khoruzhick <anarsoul@...il.com>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-sunxi@...glegroups.com, Samuel Holland <samuel@...lland.org>
Subject: [PATCH v4 05/10] ARM: dts: sunxi: a80: Add msgbox node
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@...lland.org>
---
arch/arm/boot/dts/sun9i-a80.dtsi | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/arm/boot/dts/sun9i-a80.dtsi b/arch/arm/boot/dts/sun9i-a80.dtsi
index c34d505c7efe..844a265dbd0e 100644
--- a/arch/arm/boot/dts/sun9i-a80.dtsi
+++ b/arch/arm/boot/dts/sun9i-a80.dtsi
@@ -318,6 +318,16 @@
};
};
+ msgbox: mailbox@...000 {
+ 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>;
+ };
+
gmac: ethernet@...000 {
compatible = "allwinner,sun7i-a20-gmac";
reg = <0x00830000 0x1054>;
--
2.21.0
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