Thread (2 messages) 2 messages, 2 authors, 2d ago
WARM2d

[PATCH] arm64: dts: qcom: sdm845-sony: Add battery properties

From: Shujath Mohd <hidden>
Date: 2026-09-07 15:58:57
Also in: linux-arm-msm, lkml
Subsystem: arm/qualcomm mailing list, arm/qualcomm support, the rest · Maintainers: Bjorn Andersson, Konrad Dybcio, Linus Torvalds

Add simple-battery nodes describing the design capacity and voltage
limits of the Xperia TAMA batteries.

The Xperia XZ2, XZ2 Compact, and XZ3 use 3.4 V as the drained
battery voltage and 4.245 V as the fully charged voltage.

Signed-off-by: Shujath Mohd <redacted>
---
 arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akari.dts | 7 +++++++
 .../boot/dts/qcom/sdm845-sony-xperia-tama-akatsuki.dts     | 7 +++++++
 .../arm64/boot/dts/qcom/sdm845-sony-xperia-tama-apollo.dts | 7 +++++++
 3 files changed, 21 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akari.dts b/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akari.dts
index 6e65909ab582..16e676ac9630 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akari.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akari.dts
@@ -10,6 +10,13 @@
 / {
 	model = "Sony Xperia XZ2";
 	compatible = "sony,akari-row", "qcom,sdm845";
+
+	battery: battery {
+		compatible = "simple-battery";
+		charge-full-design-microamp-hours = <3180000>;
+		voltage-min-design-microvolt = <3400000>;
+		voltage-max-design-microvolt = <4245000>;
+	};
 };
 
 &panel {
diff --git a/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akatsuki.dts b/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akatsuki.dts
index 82e59e453354..3bf9db963299 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akatsuki.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akatsuki.dts
@@ -26,6 +26,13 @@ ts_vddio_supply: ts-vddio-regulator {
 		enable-active-high;
 		regulator-boot-on;
 	};
+
+	battery: battery {
+		compatible = "simple-battery";
+		charge-full-design-microamp-hours = <3330000>;
+		voltage-min-design-microvolt = <3400000>;
+		voltage-max-design-microvolt = <4245000>;
+	};
 };
 
 &ibb {
diff --git a/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-apollo.dts b/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-apollo.dts
index dc15ab1a2716..013987184b39 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-apollo.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-apollo.dts
@@ -10,6 +10,13 @@
 / {
 	model = "Sony Xperia XZ2 Compact";
 	compatible = "sony,apollo-row", "qcom,sdm845";
+
+	battery: battery {
+		compatible = "simple-battery";
+		charge-full-design-microamp-hours = <2870000>;
+		voltage-min-design-microvolt = <3400000>;
+		voltage-max-design-microvolt = <4245000>;
+	};
 };
 
 &panel {
-- 
2.55.0
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