From: Baolin Wang <baolin.wang7@gmail.com>
To: sre@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com
Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, yuanjiang.yu@unisoc.com,
baolin.wang@linaro.org, baolin.wang7@gmail.com,
zhang.lyra@gmail.com, orsonzhai@gmail.com
Subject: [PATCH v3 4/5] dt-bindings: power: sc27xx: Add a new property to describe the real resistance of coulomb counter chip
Date: Mon, 9 Dec 2019 11:56:24 +0800 [thread overview]
Message-ID: <a77ea15e8f637256d0c9e2338b712bc33e03edfb.1575863274.git.baolin.wang7@gmail.com> (raw)
In-Reply-To: <cover.1575863274.git.baolin.wang7@gmail.com>
In-Reply-To: <cover.1575863274.git.baolin.wang7@gmail.com>
From: Baolin Wang <baolin.wang@linaro.org>
Add a new property to describe the real resistance of coulomb counter chip,
which is used to calibrate the accuracy of the coulomb counter chip.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Baolin Wang <baolin.wang7@gmail.com>
---
.../devicetree/bindings/power/supply/sc27xx-fg.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt b/Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt
index 0a5705b..b6359b5 100644
--- a/Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt
+++ b/Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt
@@ -13,6 +13,8 @@ Required properties:
- io-channel-names: Should be "bat-temp" or "charge-vol".
- nvmem-cells: A phandle to the calibration cells provided by eFuse device.
- nvmem-cell-names: Should be "fgu_calib".
+- sprd,calib-resistance-micro-ohms: Specify the real resistance of coulomb counter
+ chip in micro Ohms.
- monitored-battery: Phandle of battery characteristics devicetree node.
See Documentation/devicetree/bindings/power/supply/battery.txt
@@ -52,5 +54,6 @@ Example:
nvmem-cells = <&fgu_calib>;
nvmem-cell-names = "fgu_calib";
monitored-battery = <&bat>;
+ sprd,calib-resistance-micro-ohms = <21500>;
};
};
--
1.7.9.5
next prev parent reply other threads:[~2019-12-09 3:57 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-09 3:56 [PATCH v3 0/5] Improve the SC27XX fuel gauge controller Baolin Wang
2019-12-09 3:56 ` [PATCH v3 1/5] dt-bindings: power: Introduce one property to describe the battery resistance with temperature changes Baolin Wang
2019-12-09 3:56 ` [PATCH v3 2/5] power: supply: core: Add battery internal resistance temperature table support Baolin Wang
2019-12-09 3:56 ` [PATCH v3 3/5] power: supply: sc27xx: Optimize the battery resistance with measuring temperature Baolin Wang
2019-12-09 3:56 ` Baolin Wang [this message]
2019-12-09 3:56 ` [PATCH v3 5/5] power: supply: sc27xx: Calibrate the resistance of coulomb counter Baolin Wang
2019-12-19 0:54 ` [PATCH v3 0/5] Improve the SC27XX fuel gauge controller Sebastian Reichel
2019-12-19 1:34 ` Baolin Wang
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