linux-kernel - [PATCH v7 4/6] ARM: dts: sunxi: h3/h5: Add msgbox node

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Date:   Sat, 22 Feb 2020 22:08:51 -0600
From:   Samuel Holland <samuel@...lland.org>
To:     Jassi Brar <jassisinghbrar@...il.com>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Ondrej Jirman <megous@...ous.com>,
        Vasily Khoruzhick <anarsoul@...il.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com,
        Samuel Holland <samuel@...lland.org>
Subject: [PATCH v7 4/6] ARM: dts: sunxi: h3/h5: Add msgbox node

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@...lland.org>
---
 arch/arm/boot/dts/sunxi-h3-h5.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
index 5e9c3060aa08..effae97593b7 100644
--- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
@@ -239,6 +239,16 @@ ths_calibration: thermal-sensor-calibration@34 {
 			};
 		};
 
+		msgbox: mailbox@...7000 {
+			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 = <1>;
+		};
+
 		usb_otg: usb@...9000 {
 			compatible = "allwinner,sun8i-h3-musb";
 			reg = <0x01c19000 0x400>;
-- 
2.24.1