From: Tomasz Maciej Nowak <tmn505@gmail.com>
Date: Wed, 21 Aug 2024 18:58:03 +0000 (+0200)
Subject: arm64: tegra: Wire up power sensors on Jetson TX1 DevKit
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=3ed4e0986028867d1a2fe68da933dd935b12af9e;p=linux.git

arm64: tegra: Wire up power sensors on Jetson TX1 DevKit

One INA3221 sensor is located on P2180 module and the other two are on
P2597 base board.

Signed-off-by: Tomasz Maciej Nowak <tmn505@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
index 0ae5a44f7d07..f8b20af1fd3d 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
@@ -33,6 +33,35 @@
 		status = "okay";
 	};
 
+	i2c@7000c400 {
+		status = "okay";
+
+		power-sensor@40 {
+			compatible = "ti,ina3221";
+			reg = <0x40>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			input@0 {
+				reg = <0x0>;
+				label = "VDD_IN";
+				shunt-resistor-micro-ohms = <20000>;
+			};
+
+			input@1 {
+				reg = <0x1>;
+				label = "VDD_GPU";
+				shunt-resistor-micro-ohms = <10000>;
+			};
+
+			input@2 {
+				reg = <0x2>;
+				label = "VDD_CPU";
+				shunt-resistor-micro-ohms = <10000>;
+			};
+		};
+	};
+
 	i2c@7000c500 {
 		status = "okay";
 
diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
index 73ae63628f83..63b94a04308e 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
@@ -1319,6 +1319,56 @@
 		status = "okay";
 		clock-frequency = <100000>;
 
+		power-sensor@42 {
+			compatible = "ti,ina3221";
+			reg = <0x42>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			input@0 {
+				reg = <0x0>;
+				label = "VDD_MUX";
+				shunt-resistor-micro-ohms = <20000>;
+			};
+
+			input@1 {
+				reg = <0x1>;
+				label = "VDD_5V_IO_SYS";
+				shunt-resistor-micro-ohms = <5000>;
+			};
+
+			input@2 {
+				reg = <0x2>;
+				label = "VDD_3V3_SYS";
+				shunt-resistor-micro-ohms = <10000>;
+			};
+		};
+
+		power-sensor@43 {
+			compatible = "ti,ina3221";
+			reg = <0x43>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			input@0 {
+				reg = <0x0>;
+				label = "VDD_3V3_IO";
+				shunt-resistor-micro-ohms = <10000>;
+			};
+
+			input@1 {
+				reg = <0x1>;
+				label = "VDD_1V8_IO";
+				shunt-resistor-micro-ohms = <10000>;
+			};
+
+			input@2 {
+				reg = <0x2>;
+				label = "VDD_M2_IN";
+				shunt-resistor-micro-ohms = <10000>;
+			};
+		};
+
 		exp1: gpio@74 {
 			compatible = "ti,tca9539";
 			reg = <0x74>;