Add adt7410 overlay

raspberrypi · Nov 23, 2023 · 7e1c3ff · 7e1c3ff · aSmig · Nov 23, 2023
1 parent 846fddc
commit 7e1c3ff
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diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
@@ -521,6 +521,12 @@ Params: cs                      SPI bus Chip Select (default 1)
         www.kernel.org/doc/Documentation/devicetree/bindings/input/ads7846.txt
 
 
+Name:   adt7410
+Info:   Analog Devices ADT7410 and ADT7420 temperature sensors
+Load:   dtoverlay=adt7410,<param>=<val>
+Params: addr                    Overrides the I2C address (default 0x48)
+
+
 Name:   adv7282m
 Info:   Analog Devices ADV7282M analogue video to CSI2 bridge.
         Uses Unicam1, which is the standard camera connector on most Pi

diff --git a/arch/arm/boot/dts/overlays/adt7410-overlay.dts b/arch/arm/boot/dts/overlays/adt7410-overlay.dts
@@ -0,0 +1,29 @@
+/*
+ * Analog Devices ADT7410 digital temperature sensor
+ */
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "brcm,bcm2835";
+
+	fragment@0 {
+		target = <&i2c_arm>;
+		__overlay__ {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "okay";
+
+			adt7410: adt7410@48 {
+				compatible = "adi,adt7410", "adi,adt7420";
+				reg = <0x48>;
+				status = "okay";
+			};
+		};
+	};
+
+	__overrides__ {
+		addr = <&adt7410>,"reg:0";
+	};
+};