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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.patch90
1 files changed, 90 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 0000000000..97938b37d2
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.4/0563-Add-support-for-Silicon-Labs-Si7013-20-21-humidity-t.patch
@@ -0,0 +1,90 @@
+From f8bd38ac8b299bf55497f678e65babdd99d7e9f1 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";
+ };
+ };