openwrt/target/linux/brcm2708/patches-4.19/950-0388-overlays-Add-max17040-support-to-i2c-sensor.patch

From fe6ccc8df700133615716df211f183c9c27d1e2e Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Mon, 25 Mar 2019 18:03:48 +0000
Subject: [PATCH 388/806] 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";
 	};
 };