linux-kernel - [PATCH] arm64: dts: apple: t8103: Add watchdog node

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Date:   Sat, 11 Dec 2021 13:40:44 +0100
From:   Sven Peter <sven@...npeter.dev>
To:     Hector Martin <marcan@...can.st>, Sven Peter <sven@...npeter.dev>
Cc:     Alyssa Rosenzweig <alyssa@...enzweig.io>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: apple: t8103: Add watchdog node

Add the watchdog node which also enables reboot support on the t8103.

Signed-off-by: Sven Peter <sven@...npeter.dev>
---
 arch/arm64/boot/dts/apple/t8103.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi
index fc8b2bb06ffe..6ef28d833e4f 100644
--- a/arch/arm64/boot/dts/apple/t8103.dtsi
+++ b/arch/arm64/boot/dts/apple/t8103.dtsi
@@ -199,6 +199,14 @@ pinctrl_nub: pinctrl@...1f0000 {
 				     <AIC_IRQ 336 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
+		wdt: watchdog@...2b0000 {
+			compatible = "apple,t8103-wdt", "apple,wdt";
+			reg = <0x2 0x3d2b0000 0x0 0x4000>;
+			clocks = <&clk24>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 338 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
 		pinctrl_smc: pinctrl@...820000 {
 			compatible = "apple,t8103-pinctrl", "apple,pinctrl";
 			reg = <0x2 0x3e820000 0x0 0x4000>;
-- 
2.25.1