From: Rinat Muhamedgaliev <rinat.muhamedgaliev@gmail.com>
To: Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>
Cc: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
Caleb Connolly <caleb@connolly.tech>,
Frederic Laing <dev@fredfunk.tech>,
Rinat Muhamedgaliev <rinat.muhamedgaliev@gmail.com>
Subject: [PATCH v2] arm64: dts: qcom: sdm845-oneplus: fix fuel gauge compatible
Date: Sat, 29 Aug 2026 23:52:58 +0300 [thread overview]
Message-ID: <20260829205258.26955-1-rinat.muhamedgaliev@gmail.com> (raw)
In-Reply-To: <20260826233818.124278-1-rinat.muhamedgaliev@gmail.com>
The fuel gauge at I2C address 0x55 on OnePlus 6T (fajita) reports DeviceType 0x0541, identifying it as a TI bq27541 rather than bq27411.
Binding it as bq27411 selects the wrong register map and produces invalid voltage, state-of-charge, and temperature readings. Use the bq27541 compatible and rename the shared label along with its fajita and enchilada consumers.
Tested on OnePlus 6T (fajita): queried DeviceType directly over I2C, built the DTB, booted it once with fastboot boot, then installed a locally built postmarketOS kernel package. Before the change, readings included about 65 V, over 10000% SOC, and -273.1 C. Afterward, the bq27xxx driver bound as ti,bq27541 and reported 3.835 V, 42% SOC, and 33.3 C.
Fixes: 12dfb002ca01 ("arm64: dts: qcom: sdm845-oneplus-*: add fuel gauge")
Closes: https://gitlab.com/sdm845-mainline/linux/-/issues/36
Signed-off-by: Rinat Muhamedgaliev <rinat.muhamedgaliev@gmail.com>
---
arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi | 4 ++--
arch/arm64/boot/dts/qcom/sdm845-oneplus-enchilada.dts | 2 +-
arch/arm64/boot/dts/qcom/sdm845-oneplus-fajita.dts | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
index 948a0dd18d13..f3459226bf7b 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
@@ -790,8 +790,8 @@ &i2c10 {
status = "okay";
clock-frequency = <100000>;
- bq27441_fg: bq27441-battery@55 {
- compatible = "ti,bq27411";
+ bq27541_fg: fuel-gauge@55 {
+ compatible = "ti,bq27541";
status = "okay";
reg = <0x55>;
};
diff --git a/arch/arm64/boot/dts/qcom/sdm845-oneplus-enchilada.dts b/arch/arm64/boot/dts/qcom/sdm845-oneplus-enchilada.dts
index 5f01115e2322..21ebd3f67155 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-oneplus-enchilada.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-oneplus-enchilada.dts
@@ -44,7 +44,7 @@ main_cam_ois: main-cam-ois-regulator {
};
};
-&bq27441_fg {
+&bq27541_fg {
monitored-battery = <&battery>;
};
diff --git a/arch/arm64/boot/dts/qcom/sdm845-oneplus-fajita.dts b/arch/arm64/boot/dts/qcom/sdm845-oneplus-fajita.dts
index 7ffcad24d505..d640b38b53f4 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-oneplus-fajita.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-oneplus-fajita.dts
@@ -67,7 +67,7 @@ tfa9894_codec: tfa9894@34 {
};
-&bq27441_fg {
+&bq27541_fg {
monitored-battery = <&battery>;
};
--
2.55.0
prev parent reply other threads:[~2026-08-29 20:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-26 23:38 [PATCH] arm64: dts: qcom: sdm845-oneplus: fix fuel gauge compatible Rinat Muhamedgaliev
2026-08-27 21:43 ` Krzysztof Kozlowski
2026-08-28 10:05 ` Konrad Dybcio
2026-08-29 21:03 ` Rinat Muhamedgaliev
2026-08-29 20:52 ` Rinat Muhamedgaliev [this message]
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