[PATCH v6 1/8] devicetree: power: Add battery.txt
From: Liam Breck <hidden>
Date: 2017-02-11 02:43:33
Also in:
linux-pm
Subsystem:
open firmware and flattened device tree bindings, power supply class/subsystem and drivers, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Sebastian Reichel, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2017-02-13 · Re: [PATCH v6 1/8] devicetree: power: Add battery.txt · Andrew F. Davis <hidden>
- 2017-02-13 · Re: [PATCH v6 1/8] devicetree: power: Add battery.txt · Liam Breck <hidden>
- 2017-02-13 · Re: [PATCH v6 1/8] devicetree: power: Add battery.txt · Andrew F. Davis <hidden>
From: Matt Ranostay <redacted> Documentation of static battery characteristics that can be defined for batteries which cannot self-identify. This information is required by fuel-gauge and charger chips for proper handling of the battery. Cc: Rob Herring <robh@kernel.org> Cc: devicetree@vger.kernel.org Signed-off-by: Matt Ranostay <redacted> Signed-off-by: Liam Breck <redacted> --- .../devicetree/bindings/power/supply/battery.txt | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/supply/battery.txt
diff --git a/Documentation/devicetree/bindings/power/supply/battery.txt b/Documentation/devicetree/bindings/power/supply/battery.txt
new file mode 100644
index 0000000..d78a4aa
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/battery.txt@@ -0,0 +1,37 @@ +Battery Characteristics + +Required Properties: + - compatible: Must be "fixed-battery" + +Optional Properties: + - voltage-min-design-microvolt: drained battery voltage + - energy-full-design-microwatt-hours: battery design energy + - charge-full-design-microamp-hours: battery design capacity + +Future Properties must be named for the corresponding elements in +enum power_supply_property, defined in include/linux/power_supply.h. + +Batteries must be referenced by chargers and/or fuel-gauges +using a phandle. The phandle's property should be named +"monitored-battery". + +Example: + + bat: battery { + compatible = "fixed-battery"; + voltage-min-design-microvolt = <3200000>; + energy-full-design-microwatt-hours = <5290000>; + charge-full-design-microamp-hours = <1430000>; + }; + + charger: charger@11 { + .... + monitored-battery = <&bat>; + ... + }; + + fuel_gauge: fuel-gauge@22 { + .... + monitored-battery = <&bat>; + ... + };
--
2.9.3