Add the INA3221 current monitors that are present on the Jetson AGX
Xavier and Jetson Xavier NX boards.
Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx>
---
.../arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 50 +++++++++++++++++++
.../arm64/boot/dts/nvidia/tegra194-p3668.dtsi | 27 ++++++++++
2 files changed, 77 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
index 5b59c1986e9b..7c57272af044 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
@@ -53,6 +53,56 @@ memory-controller@2c00000 {
status = "okay";
};
+ i2c@c240000 {
+ status = "okay";
+
+ ina3221@40 {
+ compatible = "ti,ina3221";
+ reg = <0x40>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ input@0 {
+ reg = <0x0>;
+ label = "GPU";
+ shunt-resistor-micro-ohms = <5000>;
+ };
+ input@1 {
+ reg = <0x1>;
+ label = "CPU";
+ shunt-resistor-micro-ohms = <5000>;
+ };
+ input@2 {
+ reg = <0x2>;
+ label = "SOC";
+ shunt-resistor-micro-ohms = <5000>;
+ };
+ };
+
+ ina3221@41 {
+ compatible = "ti,ina3221";
+ reg = <0x41>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ input@0 {
+ reg = <0x0>;
+ label = "CV";
+ shunt-resistor-micro-ohms = <5000>;
+ };
+ input@1 {
+ reg = <0x1>;
+ label = "VDDRQ";
+ shunt-resistor-micro-ohms = <5000>;
+ };
+ input@2 {
+ reg = <0x2>;
+ label = "SYS5V";
+ shunt-resistor-micro-ohms = <5000>;
+ };
+ };
+ };
+
serial@3110000 {
status = "okay";
};
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p3668.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p3668.dtsi
index 58f190b0f868..6f5e9d114e2a 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p3668.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p3668.dtsi
@@ -50,6 +50,33 @@ memory-controller@2c00000 {
status = "okay";
};
+ i2c@c250000 {
+ status = "okay";
+
+ ina3221@40 {
+ compatible = "ti,ina3221";
+ reg = <0x40>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ input@0 {
+ reg = <0x0>;
+ label = "VDD_IN";
+ shunt-resistor-micro-ohms = <5000>;
+ };
+ input@1 {
+ reg = <0x1>;
+ label = "VDD_CPU_GPU_CV";
+ shunt-resistor-micro-ohms = <5000>;
+ };
+ input@2 {
+ reg = <0x2>;
+ label = "VDD_SOC";
+ shunt-resistor-micro-ohms = <5000>;
+ };
+ };
+ };
+
serial@3100000 {
status = "okay";
};
--
2.34.1
