Re: [PATCH v2 6/6] arm64: tegra: Enable native timers on Tegra234

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On 29/06/2022 19:29, Kartik wrote:
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 Tegra234.

Signed-off-by: Kartik <kkartik@xxxxxxxxxx>
---
  arch/arm64/boot/dts/nvidia/tegra234.dtsi | 22 ++++++++++++++++++++++
  1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
index cf611eff7f6b..aa8ceb3c329b 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
@@ -519,6 +519,28 @@
  			status = "okay";
  		};
+ timer@2080000 {
+			compatible = "nvidia,tegra234-timer";
+			reg = <0x02080000 0x00121000>;
+			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>,
+				     <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
+			status = "okay";
+		};
+
  		gpio: gpio@2200000 {
  			compatible = "nvidia,tegra234-gpio";
  			reg-names = "security", "gpio";


Reviewed-by: Jon Hunter <jonathanh@xxxxxxxxxx>

Thanks!
Jon

--
nvpublic



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