diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0563-Add-support-for-Silicon-Labs-Si7013-20-21-humidity-t.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0563-Add-support-for-Silicon-Labs-Si7013-20-21-humidity-t.patch | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0563-Add-support-for-Silicon-Labs-Si7013-20-21-humidity-t.patch b/target/linux/brcm2708/patches-4.4/0563-Add-support-for-Silicon-Labs-Si7013-20-21-humidity-t.patch new file mode 100644 index 0000000..574702a --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0563-Add-support-for-Silicon-Labs-Si7013-20-21-humidity-t.patch @@ -0,0 +1,95 @@ +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(-) + +diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README +index 7aee1af..44ad21f 100644 +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -543,6 +543,9 @@ Params: bmp085 Select the Bosch sensortronic BMP085 + + 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 +diff --git a/arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts b/arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts +index f6d134c..31bda8d 100644 +--- 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"; ++ 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"; +- }; ++ bmp085: bmp085@77 { ++ compatible = "bosch,bmp085"; ++ reg = <0x77>; ++ default-oversampling = <3>; ++ status = "disable"; ++ }; + +- bmp280: bmp280@76 { +- compatible = "bosch,bmp280"; +- reg = <0x76>; +- 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"; + }; + }; +-- +2.1.4 + |