From: Matheus Castello <matheus@castello.eng.br>
To: sre@kernel.org, krzk@kernel.org, robh+dt@kernel.org
Cc: mark.rutland@arm.com, cw00.choi@samsung.com,
b.zolnierkie@samsung.com, lee.jones@linaro.org,
linux-pm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
Matheus Castello <matheus@castello.eng.br>,
Rob Herring <robh@kernel.org>
Subject: [PATCH v8 2/5] dt-bindings: power: supply: Max17040: Add DT bindings for max17040 fuel gauge
Date: Thu, 5 Dec 2019 12:44:07 -0300 [thread overview]
Message-ID: <20191205154410.29462-3-matheus@castello.eng.br> (raw)
In-Reply-To: <20191205154410.29462-1-matheus@castello.eng.br>
Documentation of max17040 based fuel gauge characteristics.
For configure low level state of charge threshold alert signaled from
max17043/max17044 we add "maxim,alert-low-soc-level" property.
Signed-off-by: Matheus Castello <matheus@castello.eng.br>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
---
.../power/supply/max17040_battery.txt | 33 +++++++++++++++++++
1 file changed, 33 insertions(+)
create mode 100644 Documentation/devicetree/bindings/power/supply/max17040_battery.txt
diff --git a/Documentation/devicetree/bindings/power/supply/max17040_battery.txt b/Documentation/devicetree/bindings/power/supply/max17040_battery.txt
new file mode 100644
index 000000000000..f2d0b22b5f79
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/max17040_battery.txt
@@ -0,0 +1,33 @@
+max17040_battery
+~~~~~~~~~~~~~~~~
+
+Required properties :
+ - compatible : "maxim,max17040" or "maxim,max77836-battery"
+ - reg: i2c slave address
+
+Optional properties :
+- maxim,alert-low-soc-level : The alert threshold that sets the state of
+ charge level (%) where an interrupt is
+ generated. Can be configured from 1 up to 32
+ (%). If skipped the power up default value of
+ 4 (%) will be used.
+- interrupts : Interrupt line see Documentation/devicetree/
+ bindings/interrupt-controller/interrupts.txt
+- wakeup-source : This device has wakeup capabilities. Use this
+ property to use alert low SOC level interrupt
+ as wake up source.
+
+Optional properties support interrupt functionality for alert low state of
+charge level, present in some ICs in the same family, and should be used with
+compatible "maxim,max77836-battery".
+
+Example:
+
+ battery-fuel-gauge@36 {
+ compatible = "maxim,max77836-battery";
+ reg = <0x36>;
+ maxim,alert-low-soc-level = <10>;
+ interrupt-parent = <&gpio7>;
+ interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+ wakeup-source;
+ };
--
2.24.0.rc2
next prev parent reply other threads:[~2019-12-05 15:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-05 15:44 [PATCH v8 0/5] power: supply: MAX17040: Add IRQ for low level and alert SOC changes Matheus Castello
2019-12-05 15:44 ` [PATCH v8 1/5] power: supply: max17040: Add IRQ handler for low SOC alert Matheus Castello
2019-12-05 15:44 ` Matheus Castello [this message]
2019-12-05 15:44 ` [PATCH v8 3/5] devicetree: mfd: max14577: Add reference to max14040_battery.txt descriptions Matheus Castello
2019-12-06 9:16 ` Krzysztof Kozlowski
2019-12-16 10:47 ` Lee Jones
2019-12-05 15:44 ` [PATCH v8 4/5] power: supply: max17040: Config alert SOC low level threshold from FDT Matheus Castello
2019-12-06 9:17 ` Krzysztof Kozlowski
2019-12-05 15:44 ` [PATCH v8 5/5] power: supply: max17040: Send uevent in SOC and status change Matheus Castello
2019-12-19 0:52 ` [PATCH v8 0/5] power: supply: MAX17040: Add IRQ for low level and alert SOC changes Sebastian Reichel
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