openwrt/target/linux/brcm2708/patches-4.19/950-0394-overlays-Add-max17040-support-to-i2c-sensor.patch
Álvaro Fernández Rojas 4295485719 brcm2708: add linux 4.19 support
Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709)

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2019-07-14 12:44:14 +02:00

57 lines
1.7 KiB
Diff

From 1ec52e16794513c5802ad219d317ac1f825b6346 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Mon, 25 Mar 2019 18:03:48 +0000
Subject: [PATCH 394/703] overlays: Add max17040 support to i2c-sensor
See: https://github.com/raspberrypi/linux/issues/2906
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
arch/arm/boot/dts/overlays/README | 3 +++
.../arm/boot/dts/overlays/i2c-sensor-overlay.dts | 16 ++++++++++++++++
2 files changed, 19 insertions(+)
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -1030,6 +1030,9 @@ Params: addr Set the
lm75addr Deprecated - use addr parameter instead
+ max17040 Select the Maxim Integrated MAX17040 battery
+ monitor
+
sht3x Select the Sensiron SHT3x temperature and
humidity sensor. Valid addresses 0x44-0x45,
default 0x44
--- a/arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts
+++ b/arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts
@@ -201,6 +201,21 @@
};
};
+ fragment@13 {
+ target = <&i2c_arm>;
+ __dormant__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ max17040: max17040@36 {
+ compatible = "maxim,max17040";
+ reg = <0x36>;
+ status = "okay";
+ };
+ };
+ };
+
__overrides__ {
addr = <&bme280>,"reg:0", <&bmp280>,"reg:0", <&tmp102>,"reg:0",
<&lm75>,"reg:0", <&hdc100x>,"reg:0", <&sht3x>,"reg:0",
@@ -219,5 +234,6 @@
veml6070 = <0>,"+10";
sht3x = <0>,"+11";
ds1621 = <0>,"+12";
+ max17040 = <0>,"+13";
};
};