From 4fdc12dae89db7fd02bfbef1a15a0b78263a7764 Mon Sep 17 00:00:00 2001 From: Phil Elwell Date: Tue, 1 Nov 2022 08:47:21 +0000 Subject: [PATCH] overlays: i2c-sensor: Add mcp980x support See: https://github.com/raspberrypi/linux/issues/5234 Signed-off-by: Phil Elwell --- arch/arm/boot/dts/overlays/README | 4 ++++ .../boot/dts/overlays/i2c-sensor-common.dtsi | 17 ++++++++++++++++- 2 files changed, 20 insertions(+), 1 deletion(-) --- a/arch/arm/boot/dts/overlays/README +++ b/arch/arm/boot/dts/overlays/README @@ -1981,6 +1981,10 @@ Params: addr Set the max30102 Select the Maxim Integrated MAX30102 heart-rate and blood-oxygen sensor + mcp980x Select the Maxim MCP980x range of temperature + sensors (e.g. MCP9808). + Valid addresses are 0x18-0x1f (default 0x18) + sht3x Select the Sensiron SHT3x temperature and humidity sensor. Valid addresses 0x44-0x45, default 0x44 --- a/arch/arm/boot/dts/overlays/i2c-sensor-common.dtsi +++ b/arch/arm/boot/dts/overlays/i2c-sensor-common.dtsi @@ -323,6 +323,20 @@ }; }; + fragment@21 { + target = <&i2cbus>; + __dormant__ { + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + mcp980x: mcp980x@18 { + compatible = "maxim,mcp980x"; + reg = <0x18>; + }; + }; + }; + __overrides__ { bme280 = <0>,"+0"; bmp085 = <0>,"+1"; @@ -346,11 +360,12 @@ bh1750 = <0>, "+18"; max30102 = <0>,"+19"; aht10 = <0>,"+20"; + mcp980x = <0>,"+21"; addr = <&bme280>,"reg:0", <&bmp280>,"reg:0", <&tmp102>,"reg:0", <&lm75>,"reg:0", <&hdc100x>,"reg:0", <&sht3x>,"reg:0", <&ds1621>,"reg:0", <&bme680>,"reg:0", <&ccs811>,"reg:0", - <&bh1750>,"reg:0"; + <&bh1750>,"reg:0", <&mcp980x>,"reg:0"; int_pin = <&max30102>, "interrupts:0"; }; };