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Message-ID: <1656922422-25823-6-git-send-email-kkartik@nvidia.com>
Date:   Mon, 4 Jul 2022 13:43:41 +0530
From:   Kartik <kkartik@...dia.com>
To:     <daniel.lezcano@...aro.org>, <tglx@...utronix.de>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <thierry.reding@...il.com>, <jonathanh@...dia.com>,
        <spujar@...dia.com>, <mperttunen@...dia.com>,
        <rgumasta@...dia.com>, <amhetre@...dia.com>,
        <akhilrajeev@...dia.com>, <pshete@...dia.com>, <vidyas@...dia.com>,
        <sumitg@...dia.com>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-tegra@...r.kernel.org>
Subject: [PATCH v3 5/6] arm64: tegra: Enable native timers on Tegra194

From: Thierry Reding <treding@...dia.com>

The native timers IP block found on NVIDIA Tegra SoCs implements a
watchdog timer that can be used to recover from system hangs. Add and
enable the device tree node on Tegra194.

Signed-off-by: Thierry Reding <treding@...dia.com>
Signed-off-by: Kartik <kkartik@...dia.com>
---
 arch/arm64/boot/dts/nvidia/tegra194.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index 9566c6388ed9..4b37aec69448 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -698,6 +698,22 @@
 			};
 		};
 
+		timer@...0000 {
+			compatible = "nvidia,tegra186-timer";
+			reg = <0x03010000 0x000e0000>;
+			interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
+			status = "okay";
+		};
+
 		uarta: serial@...0000 {
 			compatible = "nvidia,tegra194-uart", "nvidia,tegra20-uart";
 			reg = <0x03100000 0x40>;
-- 
2.17.1

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