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From fa6a21d6e2e8d5416ec9d2ca7841777aa0822796 Mon Sep 17 00:00:00 2001
From: Mart Lubbers <mart@martlubbers.net>
Date: Tue, 11 May 2021 11:51:35 +0200
Subject: [PATCH] overlays: add bh1750 and ccs811 to i2c-sensor (#4334)
See: https://github.com/raspberrypi/linux/pull/4334
---
arch/arm/boot/dts/overlays/README | 15 +++++---
.../boot/dts/overlays/i2c-sensor-overlay.dts | 35 ++++++++++++++++++-
2 files changed, 45 insertions(+), 5 deletions(-)
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -1482,11 +1482,15 @@ Params: abx80x Select o
Name: i2c-sensor
-Info: Adds support for a number of I2C barometric pressure and temperature
- sensors on i2c_arm
+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 BME280, BME680, BMP280,
- DS1621, HDC100X, LM75, SHT3x or TMP102
+Params: addr Set the address for the BH1750, BME280, BME680,
+ BMP280, CCS811, DS1621, HDC100X, LM75, SHT3x or
+ TMP102
+
+ bh1750 Select the Rohm BH1750 ambient light sensor
+ Valid addresses 0x23 or 0x5c, default 0x23
bme280 Select the Bosch Sensortronic BME280
Valid addresses 0x76-0x77, default 0x76
@@ -1501,6 +1505,9 @@ Params: addr Set the
bmp280 Select the Bosch Sensortronic BMP280
Valid addresses 0x76-0x77, default 0x76
+ ccs811 Select the AMS CCS811 digital gas sensor
+ Valid addresses 0x5a-0x5b, default 0x5b
+
ds1621 Select the Dallas Semiconductors DS1621 temp
sensor. Valid addresses 0x48-0x4f, default 0x48
--- a/arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts
+++ b/arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts
@@ -261,10 +261,41 @@
};
};
+ fragment@17 {
+ target = <&i2c_arm>;
+ __dormant__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ ccs811: ccs811@5b {
+ compatible = "ccs811";
+ reg = <0x5b>;
+ status = "okay";
+ };
+ };
+ };
+
+ fragment@18 {
+ target = <&i2c_arm>;
+ __dormant__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ bh1750: bh1750@23 {
+ compatible = "bh1750";
+ reg = <0x23>;
+ status = "okay";
+ };
+ };
+ };
+
__overrides__ {
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";
+ <&ds1621>,"reg:0", <&bme680>,"reg:0", <&ccs811>,"reg:0",
+ <&bh1750>,"reg:0";
bme280 = <0>,"+0";
bmp085 = <0>,"+1";
bmp180 = <0>,"+2";
@@ -283,5 +314,7 @@
bme680 = <0>,"+14";
sps30 = <0>,"+15";
sgp30 = <0>,"+16";
+ ccs811 = <0>, "+17";
+ bh1750 = <0>, "+18";
};
};
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