From: Phil Elwell <phil@raspberrypi.com>
Date: Tue, 24 Jan 2023 11:34:38 +0000 (+0000)
Subject: overlays: i2c-sensor: Add SHT4X support
X-Git-Tag: accepted/tizen/unified/20230814.120944~316
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c8c99191e1419062ac8b668956d19e788865912a;p=platform%2Fkernel%2Flinux-rpi.git

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 <phil@raspberrypi.com>
---

diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
index 12d7619d..dba128f 100644
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -2071,8 +2071,12 @@ Params: addr                    Set the address for the BH1750, BME280, BME680,
                                 incompatible device can stop it from being
                                 activated.
 
-        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/
diff --git a/arch/arm/boot/dts/overlays/i2c-sensor-common.dtsi b/arch/arm/boot/dts/overlays/i2c-sensor-common.dtsi
index ed3a207..4648587 100755
--- a/arch/arm/boot/dts/overlays/i2c-sensor-common.dtsi
+++ b/arch/arm/boot/dts/overlays/i2c-sensor-common.dtsi
@@ -457,6 +457,21 @@
 
 	// Fragments 30 and 31 omitted due to BNO055 support in rpi-6.1.y
 
+	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";
@@ -490,6 +505,7 @@
 		mpu6050 = <0>,"+28";
 		mpu9250 = <0>,"+29";
 		// Skip 30 and 31
+		sht4x = <0>,"+32";
 
 		addr =  <&bme280>,"reg:0", <&bmp280>,"reg:0", <&tmp102>,"reg:0",
 			<&lm75>,"reg:0", <&hdc100x>,"reg:0", <&sht3x>,"reg:0",