From bd1fefcbdd8f1791c9a0e8dd169006c2a466cf17 Mon Sep 17 00:00:00 2001
From: Thierry Reding <treding@nvidia.com>
Date: Thu, 19 Mar 2020 16:45:38 +0100
Subject: [PATCH] arm64: tegra: Add native timer support on Tegra186

The native timers IP block found on NVIDIA Tegra SoCs implements a
watchdog timer that can be used to recover from system hangs. Add the
device tree node on Tegra186.

Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 arch/arm64/boot/dts/nvidia/tegra186.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index fe588666bcfcf..855ae6b705a83 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -508,6 +508,22 @@
 		};
 	};
 
+	timer@3010000 {
+		compatible = "nvidia,tegra186-timer";
+		reg = <0x0 0x03010000 0x0 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 = "disabled";
+	};
+
 	uarta: serial@3100000 {
 		compatible = "nvidia,tegra186-uart", "nvidia,tegra20-uart";
 		reg = <0x0 0x03100000 0x0 0x40>;
-- 
2.30.2