linux-kernel - [PATCH RFC 7/8] arm64: dts: qcom: sdm660-xiaomi-lavender: Enable support for battery

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Message-Id: <20251124-pmi8998_fuel_gauge-v1-7-dd3791f61478@ixit.cz>
Date: Mon, 24 Nov 2025 22:53:40 +0100
From: David Heidelberg via B4 Relay <devnull+david.ixit.cz@...nel.org>
To: Sebastian Reichel <sre@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Casey Connolly <casey.connolly@...aro.org>, 
 Casey Connolly <casey@...nolly.tech>, Joel Selvaraj <foss@...lselvaraj.com>, 
 Yassine Oudjana <y.oudjana@...tonmail.com>, 
 Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, 
 Alexander Martinz <amartinz@...ftphones.com>, 
 Barnabás Czémán <barnabas.czeman@...nlining.org>, 
 Richard Acayan <mailingradian@...il.com>, 
 Alexey Minnekhanov <alexeymin@...tmarketos.org>
Cc: linux-pm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 phone-devel@...r.kernel.org, David Heidelberg <david@...t.cz>
Subject: [PATCH RFC 7/8] arm64: dts: qcom: sdm660-xiaomi-lavender: Enable
 support for battery

From: Alexey Minnekhanov <alexeymin@...tmarketos.org>

Add support for battery, fuelgauge and charger.

Signed-off-by: Alexey Minnekhanov <alexeymin@...tmarketos.org>
Signed-off-by: David Heidelberg <david@...t.cz>
---
 .../arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts | 25 ++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts b/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts
index a9926ad6c6f9f..cb89b88d887d1 100644
--- a/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts
+++ b/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts
@@ -38,6 +38,14 @@ framebuffer0: framebuffer@...00000 {
 		};
 	};
 
+	battery: battery {
+		compatible = "simple-battery";
+
+		charge-full-design-microamp-hours = <4000000>;
+		voltage-min-design-microvolt = <3400000>;
+		voltage-max-design-microvolt = <4400000>;
+	};
+
 	vph_pwr: vph-pwr-regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "vph_pwr";
@@ -93,6 +101,23 @@ &blsp1_uart2 {
 	status = "okay";
 };
 
+&pm660_charger {
+	monitored-battery = <&battery>;
+
+	status = "okay";
+};
+
+&pm660_fg {
+	monitored-battery = <&battery>;
+	power-supplies = <&pm660_charger>;
+
+	status = "okay";
+};
+
+&pm660_rradc {
+	status = "okay";
+};
+
 &pon_pwrkey {
 	status = "okay";
 };

-- 
2.51.0