[PATCH v3 02/11] ARM: tegra: Add ACTMON node to Tegra114 device tree

Svyatoslav Ryhel
2025-09-15T08:02:25Z

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>
---
arch/arm/boot/dts/nvidia/tegra114.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/nvidia/tegra114.dtsi b/arch/arm/boot/dts/nvidia/tegra114.dtsi
index 5e695431ad2e..08f81a3d11de 100644
--- a/arch/arm/boot/dts/nvidia/tegra114.dtsi
+++ b/arch/arm/boot/dts/nvidia/tegra114.dtsi
@@ -248,6 +248,18 @@ ahb: ahb@6000c000 {
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>;
--
2.48.1