Commit e5bd7343 authored by Stefan Tatschner's avatar Stefan Tatschner Committed by Phil Elwell
Browse files

Add device tree config for htu21 

See: https://github.com/raspberrypi/linux/pull/2041



Signed-off-by: default avatarPhil Elwell <phil@raspberrypi.org>
parent a34dfa0c

arch/arm/boot/dts/overlays/README

+2 −0
Original line number Diff line number Diff line
@@ -673,6 +673,8 @@ Params: addr Set the address for the BME280, BMP280, TMP102 
        bmp280                  Select the Bosch Sensortronic BMP280

                                Valid addresses 0x76-0x77, default 0x76



        htu21                   Select the HTU21 temperature and humidity sensor



        lm75                    Select the Maxim LM75 temperature sensor

                                Valid addresses 0x48-0x4f, default 0x4f

arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts

+21 −5
Original line number Diff line number Diff line
@@ -67,6 +67,21 @@ 
	};



	fragment@4 {

		target = <&i2c_arm>;

		__dormant__ {

			#address-cells = <1>;

			#size-cells = <0>;

			status = "okay";



			htu21: htu21@40 {

				compatible = "htu21";

				reg = <0x40>;

				status = "okay";

			};

		};

	};



	fragment@5 {

		target = <&i2c_arm>;

		__dormant__ {

			#address-cells = <1>;
@@ -81,7 +96,7 @@ 
		};

	};



	fragment@5 {

	fragment@6 {

		target = <&i2c_arm>;

		__dormant__ {

			#address-cells = <1>;
@@ -96,7 +111,7 @@ 
		};

	};



	fragment@6 {

	fragment@7 {

		target = <&i2c_arm>;

		__dormant__ {

			#address-cells = <1>;
@@ -118,9 +133,10 @@ 
		bmp085 = <0>,"+1";

		bmp180 = <0>,"+2";

		bmp280 = <0>,"+3";

		lm75 = <0>,"+4";

		htu21 = <0>,"+4";

		lm75 = <0>,"+5";

		lm75addr = <&lm75>,"reg:0";

		si7020 = <0>,"+5";

		tmp102 = <0>,"+6";

		si7020 = <0>,"+6";

		tmp102 = <0>,"+7";

	};

};