Message ID | 1491251029-23256-2-git-send-email-david@lechnology.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Mon, Apr 03, 2017 at 03:23:47PM -0500, David Lechner wrote: > This add a new device tree binding for LEGO MINDSTORMS EV3 battery. The EV3 > has some built-in capability for monitoring the attached battery. > > Signed-off-by: David Lechner <david@lechnology.com> > --- > .../bindings/power/supply/lego_ev3_battery.txt | 21 +++++++++++++++++++++ > 1 file changed, 21 insertions(+) > create mode 100644 Documentation/devicetree/bindings/power/supply/lego_ev3_battery.txt Acked-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/power/supply/lego_ev3_battery.txt b/Documentation/devicetree/bindings/power/supply/lego_ev3_battery.txt new file mode 100644 index 0000000..5485633 --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/lego_ev3_battery.txt @@ -0,0 +1,21 @@ +LEGO MINDSTORMS EV3 Battery +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +LEGO MINDSTORMS EV3 has some built-in capability for monitoring the battery. +It uses 6 AA batteries or a special Li-ion rechargeable battery pack that is +detected by a key switch in the battery compartment. + +Required properties: + - compatible: Must be "lego,ev3-battery" + - io-channels: phandles to analog inputs for reading voltage and current + - io-channel-names: Must be "voltage", "current" + - rechargeable-gpios: phandle to the rechargeable battery indication gpio + +Example: + + battery { + compatible = "lego,ev3-battery"; + io-channels = <&adc 4>, <&adc 3>; + io-channel-names = "voltage", "current"; + rechargeable-gpios = <&gpio 136 GPIO_ACTIVE_LOW>; + };
This add a new device tree binding for LEGO MINDSTORMS EV3 battery. The EV3 has some built-in capability for monitoring the attached battery. Signed-off-by: David Lechner <david@lechnology.com> --- .../bindings/power/supply/lego_ev3_battery.txt | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/supply/lego_ev3_battery.txt