raspberrypi · pelwell · Apr 28, 2025 · Apr 28, 2025 · Apr 28, 2025
diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
@@ -2408,15 +2408,22 @@ Name:   i2c-sensor
 Info:   Adds support for a number of I2C barometric pressure, temperature,
         light level and chemical sensors on i2c_arm
 Load:   dtoverlay=i2c-sensor,<param>=<val>
-Params: addr                    Set the address for the ADT7410, AS73211,
-                                AS7331, BH1750, BME280, BME680, BMP280, BMP380,
-                                CCS811, DS1621, HDC100X, HDC3020, JC42, LM75,
-                                MCP980x, MPU6050, MPU9250, MS5637, MS5803,
-                                MS5805, MS5837, MS8607, SHT3x or TMP102
+Params: addr                    Set the address for the ADS7828, ADS7830,
+                                ADT7410, AS73211, AS7331, BH1750, BME280,
+                                BME680, BMP280, BMP380, CCS811, DS1621,
+                                HDC100X, HDC3020, JC42, LM75, MCP980x,
+                                MPU6050, MPU9250, MS5637, MS5803, MS5805,
+                                MS5837, MS8607, SHT3x or TMP102
 
         i2c-bus                 Supports all the standard I2C bus selection
                                 parameters - see "dtoverlay -h i2c-bus"
 
+        ads7828                 Select the TI ADS7828 50kHz 8-channel 12bit ADC
+                                Valid addresses 0x48-0x4b, default 0x48
+
+        ads7830                 Select the TI ADS7830 70kHz 8-channel 8bit ADC
+                                Valid addresses 0x48-0x4b, default 0x48
+
         adt7410                 Select the Analog Devices ADT7410 and ADT7420
                                 temperature sensors
                                 Valid address 0x48-0x4b, default 0x48
@@ -2497,6 +2504,8 @@ Params: addr                    Set the address for the ADT7410, AS73211,
                                   TSE2002, TSE2004, TS3000, and TS3001.
                                 The default address is 0x18.
 
+        label                   Set the device label (ADS7828 and ADS7830 only)
+
         lm75                    Select the Maxim LM75 temperature sensor
                                 Valid addresses 0x48-0x4f, default 0x4f
 

diff --git a/arch/arm/boot/dts/overlays/i2c-sensor-common.dtsi b/arch/arm/boot/dts/overlays/i2c-sensor-common.dtsi
@@ -713,6 +713,36 @@
 		};
 	};
 
+	fragment@46 {
+		target = <&i2cbus>;
+		__dormant__ {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "okay";
+
+			ads7828: ads7828@48 {
+				compatible = "ti,ads7828";
+				reg = <0x48>;
+				label = "ads7828";
+			};
+		};
+	};
+
+	fragment@47 {
+		target = <&i2cbus>;
+		__dormant__ {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "okay";
+
+			ads7830: ads7830@48 {
+				compatible = "ti,ads7830";
+				reg = <0x48>;
+				label = "ads7830";
+			};
+		};
+	};
+
 	fragment@99 {
 		target = <&gpio>;
 		__dormant__ {
@@ -771,6 +801,8 @@
 		aht20 = <0>,"+43";
 		tcs3472 = <0>,"+44+99";
 		veml6040 = <0>,"+45";
+		ads7828 = <0>,"+46";
+		ads7830 = <0>,"+47";
 
 		addr =	<&bme280>,"reg:0", <&bmp280>,"reg:0", <&tmp102>,"reg:0",
 			<&lm75>,"reg:0", <&hdc100x>,"reg:0", <&sht3x>,"reg:0",
@@ -782,7 +814,8 @@
 			<&bno055>,"reg:0", <&sht4x>,"reg:0",
 			<&bmp380>,"reg:0", <&adt7410>,"reg:0", <&ina238>,"reg:0",
 			<&hdc3020>,"reg:0", <&as73211>,"reg:0",
-			<&as7331>,"reg:0", <&adxl345>,"reg:0";
+			<&as7331>,"reg:0", <&adxl345>,"reg:0",
+			<&ads7828>,"reg:0", <&ads7830>,"reg:0";
 		int_pin = <&int_pins>, "brcm,pins:0",
 			<&int_pins>, "reg:0",
 			<&max30102>, "interrupts:0",
@@ -794,6 +827,8 @@
 			<&as7331>, "interrupts:0",
 			<&adxl345>, "interrupts:0",
 			<&tcs3472>, "interrupts:0";
+		label = <&ads7828>, "label",
+			<&ads7830>, "label";
 		no_timeout = <&jc42>, "smbus-timeout-disable?";
 		reset_pin = <&bno055>,"reset-gpios:4", <0>,"+30";
 		shunt_resistor = <&ina238>,"shunt-resistor:0";

diff --git a/arch/arm/configs/bcm2709_defconfig b/arch/arm/configs/bcm2709_defconfig
@@ -737,6 +737,7 @@ CONFIG_BATTERY_DS2760=m
 CONFIG_BATTERY_MAX17040=m
 CONFIG_CHARGER_GPIO=m
 CONFIG_BATTERY_GAUGE_LTC2941=m
+CONFIG_SENSORS_ADS7828=m
 CONFIG_SENSORS_ADT7410=m
 CONFIG_SENSORS_AHT10=m
 CONFIG_SENSORS_CHIPCAP2=m

diff --git a/arch/arm/configs/bcm2711_defconfig b/arch/arm/configs/bcm2711_defconfig
@@ -762,6 +762,7 @@ CONFIG_BATTERY_DS2760=m
 CONFIG_BATTERY_MAX17040=m
 CONFIG_CHARGER_GPIO=m
 CONFIG_BATTERY_GAUGE_LTC2941=m
+CONFIG_SENSORS_ADS7828=m
 CONFIG_SENSORS_ADT7410=m
 CONFIG_SENSORS_AHT10=m
 CONFIG_SENSORS_CHIPCAP2=m

diff --git a/arch/arm/configs/bcmrpi_defconfig b/arch/arm/configs/bcmrpi_defconfig
@@ -730,6 +730,7 @@ CONFIG_BATTERY_DS2760=m
 CONFIG_BATTERY_MAX17040=m
 CONFIG_CHARGER_GPIO=m
 CONFIG_BATTERY_GAUGE_LTC2941=m
+CONFIG_SENSORS_ADS7828=m
 CONFIG_SENSORS_ADT7410=m
 CONFIG_SENSORS_AHT10=m
 CONFIG_SENSORS_CHIPCAP2=m

diff --git a/arch/arm64/configs/bcm2711_defconfig b/arch/arm64/configs/bcm2711_defconfig
@@ -800,6 +800,7 @@ CONFIG_BATTERY_DS2760=m
 CONFIG_BATTERY_MAX17040=m
 CONFIG_CHARGER_GPIO=m
 CONFIG_BATTERY_GAUGE_LTC2941=m
+CONFIG_SENSORS_ADS7828=m
 CONFIG_SENSORS_ADT7410=m
 CONFIG_SENSORS_AHT10=m
 CONFIG_SENSORS_CHIPCAP2=m

diff --git a/arch/arm64/configs/bcm2711_rt_defconfig b/arch/arm64/configs/bcm2711_rt_defconfig
@@ -800,6 +800,7 @@ CONFIG_BATTERY_DS2760=m
 CONFIG_BATTERY_MAX17040=m
 CONFIG_CHARGER_GPIO=m
 CONFIG_BATTERY_GAUGE_LTC2941=m
+CONFIG_SENSORS_ADS7828=m
 CONFIG_SENSORS_ADT7410=m
 CONFIG_SENSORS_AHT10=m
 CONFIG_SENSORS_CHIPCAP2=m

diff --git a/arch/arm64/configs/bcm2712_defconfig b/arch/arm64/configs/bcm2712_defconfig
@@ -802,6 +802,7 @@ CONFIG_BATTERY_DS2760=m
 CONFIG_BATTERY_MAX17040=m
 CONFIG_CHARGER_GPIO=m
 CONFIG_BATTERY_GAUGE_LTC2941=m
+CONFIG_SENSORS_ADS7828=m
 CONFIG_SENSORS_ADT7410=m
 CONFIG_SENSORS_AHT10=m
 CONFIG_SENSORS_CHIPCAP2=m