[PATCH 2/3] Documentation: devicetree: Add Richtek RT9455 bindings
From: Anda-Maria Nicolae <hidden>
Date: 2015-05-25 10:19:35
Also in:
linux-pm, lkml
Subsystem:
open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Signed-off-by: Anda-Maria Nicolae <redacted> --- .../devicetree/bindings/power/rt9455_charger.txt | 46 ++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/rt9455_charger.txt
diff --git a/Documentation/devicetree/bindings/power/rt9455_charger.txt b/Documentation/devicetree/bindings/power/rt9455_charger.txt
new file mode 100644
index 0000000..bb46842
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/rt9455_charger.txt@@ -0,0 +1,46 @@ +Binding for Richtek rt9455 battery charger + +Required properties: +- compatible: Should contain one of the following: + * "richtek,rt9455" + +- reg: integer, i2c address of the device. +- richtek,output-charge-current: integer, output current in uA, from the + charger to the battery. +- richtek,end-of-charge-percentage: integer, percent of the output charge current. + When the current in constant-voltage phase drops + below output_charge_current x end-of-charge-percentage, + charge is terminated. +- richtek,battery-regulation-voltage: integer, maximum battery voltage in uV. +- richtek,boost-output-voltage: integer, maximum voltage in uV, provided to consumer + devices, when the charger is in boost mode. + +Optional properties: +- richtek,min-input-voltage-regulation: integer, input voltage threshold in uA, used to + determine when to decrease voltage level when + the over current of the input power source occurs. + This prevents input voltage drop due to insufficient + current provided by the power source. +- richtek,avg-input-current-regulation: integer, input current in uA, the charger should + drain from the power source. + +Example: + +rt9455@22 { + compatible = "richtek,rt9455"; + reg = <0x22>; + + interrupt-parent = <&gpio1>; + interrupts = <0 1>; + + interrupt-gpio = <&gpio1 0 1>; + reset-gpio = <&gpio1 1 1>; + + richtek,output-charge-current = <500000>; + richtek,end-of-charge-percentage = <10>; + richtek,battery-regulation-voltage = <4200000>; + richtek,boost-output-voltage = <5050000>; + + richtek,min-input-voltage-regulation = <4500000>; + richtek,avg-input-current-regulation = <500000>; +};
--
1.7.9.5
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