From 7f4d21e48d07ada294c9c383b350860aa20efeea Mon Sep 17 00:00:00 2001 From: Phil Elwell Date: Tue, 24 Jan 2023 11:34:38 +0000 Subject: [PATCH] overlays: i2c-sensor: Add SHT4X support Add support for the Sensirion SHT4X temperature and humidity sensor. See: https://github.com/raspberrypi/linux/issues/5334 Signed-off-by: Phil Elwell --- arch/arm/boot/dts/overlays/README | 8 ++++++-- .../boot/dts/overlays/i2c-sensor-common.dtsi | 18 +++++++++++++++++- 2 files changed, 23 insertions(+), 3 deletions(-) --- a/arch/arm/boot/dts/overlays/README +++ b/arch/arm/boot/dts/overlays/README @@ -2077,8 +2077,12 @@ Params: addr Set the reset_pin GPIO to be used to reset the device (bno055 only, disabled by default) - sht3x Select the Sensiron SHT3x temperature and - humidity sensor. Valid addresses 0x44-0x45, + sht3x Select the Sensirion SHT3x temperature and + humidity sensors. Valid addresses 0x44-0x45, + default 0x44 + + sht4x Select the Sensirion SHT4x temperature and + humidity sensors. Valid addresses 0x44-0x45, default 0x44 si7020 Select the Silicon Labs Si7013/20/21 humidity/ --- a/arch/arm/boot/dts/overlays/i2c-sensor-common.dtsi +++ b/arch/arm/boot/dts/overlays/i2c-sensor-common.dtsi @@ -478,6 +478,21 @@ }; }; + fragment@32 { + target = <&i2cbus>; + __dormant__ { + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + sht4x: sht4x@44 { + compatible = "sht4x"; + reg = <0x44>; + status = "okay"; + }; + }; + }; + __overrides__ { bme280 = <0>,"+0"; bmp085 = <0>,"+1"; @@ -511,6 +526,7 @@ mpu6050 = <0>,"+28"; mpu9250 = <0>,"+29"; bno055 = <0>,"+31"; + sht4x = <0>,"+32"; addr = <&bme280>,"reg:0", <&bmp280>,"reg:0", <&tmp102>,"reg:0", <&lm75>,"reg:0", <&hdc100x>,"reg:0", <&sht3x>,"reg:0", @@ -519,7 +535,7 @@ <&ms5637>,"reg:0", <&ms5803>,"reg:0", <&ms5805>,"reg:0", <&ms5837>,"reg:0", <&ms8607>,"reg:0", <&mpu6050>,"reg:0", <&mpu9250>,"reg:0", - <&bno055>,"reg:0"; + <&bno055>,"reg:0", <&sht4x>,"reg:0"; int_pin = <&max30102>, "interrupts:0", <&mpu6050>, "interrupts:0", <&mpu9250>, "interrupts:0";