From: Iskren Chernev <iskren.chernev@gmail.com>
Date: Thu, 26 Nov 2020 14:11:44 +0000 (+0200)
Subject: ARM: dts: qcom: msm8974-lge-nexus5: Add fuel gauge
X-Git-Tag: v5.15~2144^2~29^2~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=45dfa741df8607ee4a45455c194ce654badb2478;p=platform%2Fkernel%2Flinux-starfive.git

ARM: dts: qcom: msm8974-lge-nexus5: Add fuel gauge

The LG Nexus 5 uses a maxim17048 fuelgauge. The maxim,rcomp value is
taken from downstream dt. Temperature-based compensation is not yet
supported in the mainline driver, but the readings seem fine nevertheless.

Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com>
Tested-by: Nícolas F. R. A. Prado <nfraprado@protonmail.com>
Link: https://lore.kernel.org/r/20201126141144.1763779-2-iskren.chernev@gmail.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---

diff --git a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
index 32b474b..e769f63 100644
--- a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
+++ b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
@@ -566,6 +566,22 @@
 
 			usb_otg_vbus: usb-otg-vbus { };
 		};
+
+		fuelgauge: max17048@36 {
+			compatible = "maxim,max17048";
+			reg = <0x36>;
+
+			maxim,double-soc;
+			maxim,rcomp = /bits/ 8 <0x4d>;
+
+			interrupt-parent = <&msmgpio>;
+			interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&fuelgauge_pin>;
+
+			maxim,alert-low-soc-level = <2>;
+		};
 	};
 
 	i2c@f9924000 {
@@ -706,6 +722,15 @@
 				power-source = <PM8941_GPIO_S3>;
 			};
 
+			fuelgauge_pin: fuelgauge-int {
+				pins = "gpio9";
+				function = "normal";
+
+				bias-disable;
+				input-enable;
+				power-source = <PM8941_GPIO_S3>;
+			};
+
 			wlan_sleep_clk_pin: wl-sleep-clk {
 				pins = "gpio16";
 				function = "func2";