mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-23 23:42:43 +00:00
91 lines
2.6 KiB
Diff
91 lines
2.6 KiB
Diff
From 72b5fe0084ce231fc0325cdf6151da0e83f5ef4e Mon Sep 17 00:00:00 2001
|
|
From: Alex Tucker <alex@floop.org.uk>
|
|
Date: Tue, 3 Jan 2017 21:30:41 +0000
|
|
Subject: [PATCH] Add support for Silicon Labs Si7013/20/21
|
|
humidity/temperature sensor. (#1765)
|
|
|
|
---
|
|
arch/arm/boot/dts/overlays/README | 3 ++
|
|
arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts | 49 +++++++++++++----------
|
|
2 files changed, 31 insertions(+), 21 deletions(-)
|
|
|
|
--- a/arch/arm/boot/dts/overlays/README
|
|
+++ b/arch/arm/boot/dts/overlays/README
|
|
@@ -543,6 +543,9 @@ Params: bmp085 Select t
|
|
|
|
bmp280 Select the Bosch sensortronic BMP280
|
|
|
|
+ si7020 Select the Silicon Labs Si7013/20/21 humidity/
|
|
+ temperature sensor
|
|
+
|
|
|
|
Name: i2c0-bcm2708
|
|
Info: Enable the i2c_bcm2708 driver for the i2c0 bus. Not all pin combinations
|
|
--- a/arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts
|
|
+++ b/arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts
|
|
@@ -1,34 +1,41 @@
|
|
-// Definitions for a few digital barometric pressure and temperature sensors
|
|
+// Definitions for I2C based sensors using the Industrial IO interface.
|
|
/dts-v1/;
|
|
/plugin/;
|
|
|
|
/ {
|
|
- compatible = "brcm,bcm2708";
|
|
+ compatible = "brcm,bcm2708";
|
|
|
|
- fragment@0 {
|
|
- target = <&i2c_arm>;
|
|
- __overlay__ {
|
|
- #address-cells = <1>;
|
|
- #size-cells = <0>;
|
|
- status = "okay";
|
|
-
|
|
- bmp085: bmp085@77 {
|
|
- compatible = "bosch,bmp085";
|
|
- reg = <0x77>;
|
|
- default-oversampling = <3>;
|
|
- status = "disable";
|
|
- };
|
|
-
|
|
- bmp280: bmp280@76 {
|
|
- compatible = "bosch,bmp280";
|
|
- reg = <0x76>;
|
|
- status = "disable";
|
|
- };
|
|
- };
|
|
- };
|
|
+ fragment@0 {
|
|
+ target = <&i2c_arm>;
|
|
+ __overlay__ {
|
|
+ #address-cells = <1>;
|
|
+ #size-cells = <0>;
|
|
+ status = "okay";
|
|
+
|
|
+ bmp085: bmp085@77 {
|
|
+ compatible = "bosch,bmp085";
|
|
+ reg = <0x77>;
|
|
+ default-oversampling = <3>;
|
|
+ status = "disable";
|
|
+ };
|
|
+
|
|
+ bmp280: bmp280@76 {
|
|
+ compatible = "bosch,bmp280";
|
|
+ reg = <0x76>;
|
|
+ status = "disable";
|
|
+ };
|
|
+
|
|
+ si7020: si7020@40 {
|
|
+ compatible = "si7020";
|
|
+ reg = <0x40>;
|
|
+ status = "disable";
|
|
+ };
|
|
+ };
|
|
+ };
|
|
|
|
__overrides__ {
|
|
bmp085 = <&bmp085>,"status";
|
|
bmp280 = <&bmp280>,"status";
|
|
+ si7020 = <&si7020>,"status";
|
|
};
|
|
};
|