mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-23 23:42:43 +00:00
103 lines
3.7 KiB
Diff
103 lines
3.7 KiB
Diff
|
From ec94d922b57bb7d6586eaf1e1af02e9383680d15 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Phil Elwell <phil@raspberrypi.org>
|
||
|
|
Date: Mon, 5 Dec 2016 17:10:44 +0000
|
||
|
|
Subject: [PATCH] BCM270X_DT: Add i2c-sensor overlay
|
||
|
|
|
||
|
|
The i2c-sensor overlay is a container for various pressure and
|
||
|
|
temperature sensors, currently bmp085 and bmp280. The standalone
|
||
|
|
bmp085_i2c-sensor overlay is now deprecated.
|
||
|
|
|
||
|
|
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
|
||
|
|
---
|
||
|
|
arch/arm/boot/dts/overlays/Makefile | 1 +
|
||
|
|
arch/arm/boot/dts/overlays/README | 12 ++++++--
|
||
|
|
arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts | 34 +++++++++++++++++++++++
|
||
|
|
3 files changed, 45 insertions(+), 2 deletions(-)
|
||
|
|
create mode 100644 arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts
|
||
|
|
|
||
|
|
diff --git a/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile
|
||
|
|
index c4186aa..bc7f4a9 100644
|
||
|
|
--- a/arch/arm/boot/dts/overlays/Makefile
|
||
|
|
+++ b/arch/arm/boot/dts/overlays/Makefile
|
||
|
|
@@ -42,6 +42,7 @@ dtbo-$(RPI_DT_OVERLAYS) += i2c-gpio.dtbo
|
||
|
|
dtbo-$(RPI_DT_OVERLAYS) += i2c-mux.dtbo
|
||
|
|
dtbo-$(RPI_DT_OVERLAYS) += i2c-pwm-pca9685a.dtbo
|
||
|
|
dtbo-$(RPI_DT_OVERLAYS) += i2c-rtc.dtbo
|
||
|
|
+dtbo-$(RPI_DT_OVERLAYS) += i2c-sensor.dtbo
|
||
|
|
dtbo-$(RPI_DT_OVERLAYS) += i2c0-bcm2708.dtbo
|
||
|
|
dtbo-$(RPI_DT_OVERLAYS) += i2c1-bcm2708.dtbo
|
||
|
|
dtbo-$(RPI_DT_OVERLAYS) += i2s-gpio28-31.dtbo
|
||
|
|
diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
|
||
|
|
index 4a77ee6..80ea3de 100644
|
||
|
|
--- a/arch/arm/boot/dts/overlays/README
|
||
|
|
+++ b/arch/arm/boot/dts/overlays/README
|
||
|
|
@@ -283,8 +283,7 @@ Params: swap_lr Reverse the channel allocation, which will also
|
||
|
|
|
||
|
|
|
||
|
|
Name: bmp085_i2c-sensor
|
||
|
|
-Info: Configures the BMP085/BMP180 digital barometric pressure and temperature
|
||
|
|
- sensors from Bosch Sensortec
|
||
|
|
+Info: This overlay is now deprecated - see i2c-sensor
|
||
|
|
Load: dtoverlay=bmp085_i2c-sensor
|
||
|
|
Params: <None>
|
||
|
|
|
||
|
|
@@ -536,6 +535,15 @@ Params: abx80x Select one of the ABx80x family:
|
||
|
|
source
|
||
|
|
|
||
|
|
|
||
|
|
+Name: i2c-sensor
|
||
|
|
+Info: Adds support for a number of I2C barometric pressure and temperature
|
||
|
|
+ sensors on i2c_arm
|
||
|
|
+Load: dtoverlay=i2c-sensor,<param>=<val>
|
||
|
|
+Params: bmp085 Select the Bosch sensortronic BMP085
|
||
|
|
+
|
||
|
|
+ bmp280 Select the Bosch sensortronic BMP280
|
||
|
|
+
|
||
|
|
+
|
||
|
|
Name: i2c0-bcm2708
|
||
|
|
Info: Enable the i2c_bcm2708 driver for the i2c0 bus. Not all pin combinations
|
||
|
|
are usable on all platforms.
|
||
|
|
diff --git a/arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts b/arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts
|
||
|
|
new file mode 100644
|
||
|
|
index 0000000..f6d134c
|
||
|
|
--- /dev/null
|
||
|
|
+++ b/arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts
|
||
|
|
@@ -0,0 +1,34 @@
|
||
|
|
+// Definitions for a few digital barometric pressure and temperature sensors
|
||
|
|
+/dts-v1/;
|
||
|
|
+/plugin/;
|
||
|
|
+
|
||
|
|
+/ {
|
||
|
|
+ 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";
|
||
|
|
+ };
|
||
|
|
+ };
|
||
|
|
+ };
|
||
|
|
+
|
||
|
|
+ __overrides__ {
|
||
|
|
+ bmp085 = <&bmp085>,"status";
|
||
|
|
+ bmp280 = <&bmp280>,"status";
|
||
|
|
+ };
|
||
|
|
+};
|
||
|
|
--
|
||
|
|
2.1.4
|
||
|
|
|