arm64: tegra: Enable native timers on Tegra194

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@nvidia.com>
Signed-off-by: Kartik <kkartik@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index 5321e3e..7ab6cc0 100644 (file)
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -719,6 +719,22 @@
                        };
                };
 
+               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>;