From: "Rob Herring (Arm)" <robh@kernel.org>
To: Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Orson Zhai <orsonzhai@gmail.com>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Chunyan Zhang <zhang.lyra@gmail.com>
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] arm64: dts: sprd: Add SC2731 FGU calibration resistance
Date: Tue, 3 Nov 2026 16:43:21 -0600 [thread overview]
Message-ID: <20261103224322.858881-1-robh@kernel.org> (raw)
The SC27XX fuel-gauge schema driver both require
'sprd,calib-resistance-micro-ohms' property. The SC2731 PMIC binding
example documents the coulomb-counter resistance as 21500 micro-ohms, so
use that.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
---
arch/arm64/boot/dts/sprd/sc2731.dtsi | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/sprd/sc2731.dtsi b/arch/arm64/boot/dts/sprd/sc2731.dtsi
index 458685b82462..5868b98113d5 100644
--- a/arch/arm64/boot/dts/sprd/sc2731.dtsi
+++ b/arch/arm64/boot/dts/sprd/sc2731.dtsi
@@ -102,6 +102,7 @@ pmic_fgu: fuel-gauge@a00 {
io-channel-names = "bat-temp", "charge-vol";
nvmem-cell-names = "fgu_calib";
nvmem-cells = <&fgu_calib>;
+ sprd,calib-resistance-micro-ohms = <21500>;
interrupt-parent = <&sc2731_pmic>;
interrupts = <4>;
status = "disabled";
--
2.53.0
reply other threads:[~2026-11-03 22:43 UTC|newest]
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