[PATCH v2] arm64: dts: qcom: sdm845-sony-tama: Add battery properties
From: Shujath Mohd
Date: Mon Sep 07 2026 - 12:04:50 EST
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 <shujath@xxxxxxxxxx>
---
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