linux-kernel - [PATCH 4/4] arm64: tegra: p2180: Add TMP451 temperature sensor node

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Message-Id: <20250224-diogo-gpio_exp-v1-4-80fb84ac48c6@tecnico.ulisboa.pt>
Date: Mon, 24 Feb 2025 12:17:39 +0000
From: Diogo Ivo <diogo.ivo@...nico.ulisboa.pt>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Thierry Reding <thierry.reding@...il.com>, 
 Jonathan Hunter <jonathanh@...dia.com>
Cc: devicetree@...r.kernel.org, linux-tegra@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Diogo Ivo <diogo.ivo@...nico.ulisboa.pt>
Subject: [PATCH 4/4] arm64: tegra: p2180: Add TMP451 temperature sensor
 node

The Jetson TX1 module contains a TI TMP451 temperature sensor.
Add a DT node for it.

Signed-off-by: Diogo Ivo <diogo.ivo@...nico.ulisboa.pt>
---
 arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
index 1c53ccc5e3cbf3ba213535713af44a2a0d909f10..9b9d1d15b0c7eafd3895f02db1bc747d7cc8923c 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
@@ -49,6 +49,19 @@ bluetooth {
 		};
 	};
 
+	i2c@...0c000 {
+		status = "okay";
+
+		tmp451: temperature-sensor@4c {
+			compatible = "ti,tmp451";
+			reg = <0x4c>;
+			interrupt-parent = <&gpio>;
+			interrupts = <TEGRA_GPIO(X, 4) IRQ_TYPE_LEVEL_LOW>;
+			vcc-supply = <&vdd_1v8>;
+			#thermal-sensor-cells = <1>;
+		};
+	};
+
 	i2c@...0c400 {
 		status = "okay";
 

-- 
2.48.1