Re: [PATCH v2 5/6] arm64: tegra: Enable native timers on Tegra194

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On 29/06/2022 19:29, Kartik wrote:
From: Thierry Reding <treding@xxxxxxxxxx>

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@xxxxxxxxxx>
Signed-off-by: Kartik <kkartik@xxxxxxxxxx>
---
  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@3010000 {
+			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@3100000 {
  			compatible = "nvidia,tegra194-uart", "nvidia,tegra20-uart";
  			reg = <0x03100000 0x40>;


Reviewed-by: Jon Hunter <jonathanh@xxxxxxxxxx>

Thanks!
Jon

--
nvpublic



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