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arm64: tegra: Enable native timers on Tegra234

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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@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Kartik 2022-07-04 13:43:42 +05:30 committed by Thierry Reding
parent 5aa9083efd
commit 28d860ed02
1 changed files with 22 additions and 0 deletions
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22
arch/arm64/boot/dts/nvidia/tegra234.dtsi
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@ -519,6 +519,28 @@ misc@100000 {
status = "okay"; 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 { gpio: gpio@2200000 {
compatible = "nvidia,tegra234-gpio"; compatible = "nvidia,tegra234-gpio";
reg-names = "security", "gpio"; reg-names = "security", "gpio";