arm64: dts: nvidia: tegra210-smaug: Add TMP451 temperature sensor node

The Google Pixel C contains a TI TMP451 temperature sensor.
Add a DT node for temperature sensor.

Information gathered from downstream tree.
Link: https://android.googlesource.com/kernel/tegra/+/refs/heads/android-tegra-dragon-3.18-oreo-m8/arch/arm64/boot/dts/tegra/tegra210-smaug.dtsi#1000
Signed-off-by: Jasper Korten <jja2000@gmail.com>
Tested-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
index 6f77540fd397f0167f3008bb076a11e1e7a9d042..c724cb4d5ad848c600a306202e7ed7dc28b9067a 100644 (file)
--- a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
@@ -1732,6 +1732,15 @@
                        #gpio-cells = <2>;
                        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 = <&pp1800>;
+                       #thermal-sensor-cells = <1>;
+               };
        };
 
        pmc@7000e400 {