Commit d3126c92 authored by Phil Elwell's avatar Phil Elwell
Browse files

overlays: Add ds1621 to the i2c-sensor overlay 

The ds1621 enables the Dallas Semiconductors DS1621 temperature
sensor.

See: https://github.com/raspberrypi/linux/issues/2509



Signed-off-by: default avatarPhil Elwell <phil@raspberrypi.org>
parent 435b6e07

arch/arm/boot/dts/overlays/README

+9 −6
Original line number Diff line number Diff line
@@ -821,8 +821,8 @@ Name: i2c-sensor 
Info:   Adds support for a number of I2C barometric pressure and temperature

        sensors on i2c_arm

Load:   dtoverlay=i2c-sensor,<param>=<val>

Params: addr                    Set the address for the BME280, BMP280, TMP102,

                                HDC100X, LM75 or SHT3x

Params: addr                    Set the address for the BME280, BMP280, DS1621,

                                HDC100X, LM75, SHT3x or TMP102



        bme280                  Select the Bosch Sensortronic BME280

                                Valid addresses 0x76-0x77, default 0x76
@@ -834,6 +834,9 @@ Params: addr Set the address for the BME280, BMP280, TMP102, 
        bmp280                  Select the Bosch Sensortronic BMP280

                                Valid addresses 0x76-0x77, default 0x76



        ds1621                  Select the Dallas Semiconductors DS1621 temp

                                sensor. Valid addresses 0x48-9x4f, default 0x48



        hdc100x                 Select the Texas Instruments HDC100x temp sensor

                                Valid addresses 0x40-0x43, default 0x40
@@ -844,6 +847,10 @@ Params: addr Set the address for the BME280, BMP280, TMP102, 


        lm75addr                Deprecated - use addr parameter instead



        sht3x                   Select the Sensiron SHT3x temperature and

                                humidity sensor. Valid addresses 0x44-0x45,

                                default 0x44



        si7020                  Select the Silicon Labs Si7013/20/21 humidity/

                                temperature sensor
@@ -856,10 +863,6 @@ Params: addr Set the address for the BME280, BMP280, TMP102, 
        veml6070                Select the Vishay VEML6070 ultraviolet light

                                sensor



        sht3x                   Select the Sensiron SHT3x temperature and

                                humidity sensor. Valid addresses 0x44-0x45,

                                default 0x44





Name:   i2c0-bcm2708

Info:   Enable the i2c_bcm2708 driver for the i2c0 bus. Not all pin combinations

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

+18 −1
Original line number Diff line number Diff line
@@ -186,9 +186,25 @@ 
		};

	};



	fragment@12 {

		target = <&i2c_arm>;

		__dormant__ {

			#address-cells = <1>;

			#size-cells = <0>;

			status = "okay";



			ds1621: ds1621@48 {

				compatible = "ds1621";

				reg = <0x48>;

				status = "okay";

			};

		};

	};



	__overrides__ {

		addr =  <&bme280>,"reg:0", <&bmp280>,"reg:0", <&tmp102>,"reg:0",

			<&lm75>,"reg:0", <&hdc100x>,"reg:0", <&sht3x>,"reg:0";

			<&lm75>,"reg:0", <&hdc100x>,"reg:0", <&sht3x>,"reg:0",

			<&ds1621>,"reg:0";

		bme280 = <0>,"+0";

		bmp085 = <0>,"+1";

		bmp180 = <0>,"+2";
@@ -202,5 +218,6 @@ 
		tsl4531 = <0>,"+9";

		veml6070 = <0>,"+10";

		sht3x = <0>,"+11";

		ds1621 = <0>,"+12";

	};

};