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authorSvyatoslav Ryhel <clamor95@gmail.com>2026-01-26 21:15:32 +0200
committerThierry Reding <treding@nvidia.com>2026-03-27 16:08:09 +0100
commit8577a898af63d2ecfa121bd7270aecf5b65dd23d (patch)
treed5f0a5168e7594e1faf30cf0f77d05d05aba4678
parentf22416f4f139d1d61613b0a305534a8c1a7273d1 (diff)
downloadlinux-8577a898af63d2ecfa121bd7270aecf5b65dd23d.tar.gz
linux-8577a898af63d2ecfa121bd7270aecf5b65dd23d.zip
ARM: tegra: Add ACTMON node to Tegra114 device tree
Add support for ACTMON on Tegra114. This is used to monitor activity from different components. Based on the collected statistics, the rate at which the external memory needs to be clocked can be derived. Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com> Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
-rw-r--r--arch/arm/boot/dts/nvidia/tegra114.dtsi12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/nvidia/tegra114.dtsi b/arch/arm/boot/dts/nvidia/tegra114.dtsi
index 16b71eb8facf..6ba69df8bce8 100644
--- a/arch/arm/boot/dts/nvidia/tegra114.dtsi
+++ b/arch/arm/boot/dts/nvidia/tegra114.dtsi
@@ -312,6 +312,18 @@
reg = <0x6000c000 0x150>;
};
+ actmon: actmon@6000c800 {
+ compatible = "nvidia,tegra114-actmon";
+ reg = <0x6000c800 0x400>;
+ interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&tegra_car TEGRA114_CLK_ACTMON>,
+ <&tegra_car TEGRA114_CLK_EMC>;
+ clock-names = "actmon", "emc";
+ resets = <&tegra_car TEGRA114_CLK_ACTMON>;
+ reset-names = "actmon";
+ #cooling-cells = <2>;
+ };
+
gpio: gpio@6000d000 {
compatible = "nvidia,tegra114-gpio", "nvidia,tegra30-gpio";
reg = <0x6000d000 0x1000>;