This binding is used to configure the driver for the coincell charger found in Qualcomm PMICs. Signed-off-by: Tim Bird <tim.bird@xxxxxxxxxxxxxx> --- .../bindings/power/qcom,coincell-charger.txt | 44 ++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/qcom,coincell-charger.txt diff --git a/Documentation/devicetree/bindings/power/qcom,coincell-charger.txt b/Documentation/devicetree/bindings/power/qcom,coincell-charger.txt new file mode 100644 index 0000000..bf39e2a --- /dev/null +++ b/Documentation/devicetree/bindings/power/qcom,coincell-charger.txt @@ -0,0 +1,44 @@ +Qualcomm Coincell Charger: + +The hardware block controls charging for a coincell or capacitor that is +used to provide power backup for certain features of the power management +IC (PMIC) + +- compatible: + Usage: required + Value type: <string> + Definition: must be: "qcom,pm8941-coincell" + +- reg: + Usage: required + Value type: <u32> + Definition: base address of the coincell charger registers + +- qcom,rset-ohms: + Usage: required + Value type: <u32> + Definition: resistance (in ohms) for current-limiting resistor + must be one of: 800, 1200, 1700, 2100 + +- qcom,vset-millivolts: + Usage: required + Value type: <u32> + Definition: voltage (in millivolts) to apply for charging + must be one of: 2500, 3000, 3100, 3200 + +- qcom,charge-enable: + Usage: optional + Value type: <u32> or <none> + Definition: definining this property, with an optional non-zero + value, enables charging + +Examples: + + qcom,coincell@2800 { + compatible = "qcom,pm8941-coincell"; + reg = <0x2800>; + + qcom,rset-ohms = <2100>; + qcom,vset-millivolts = <3000>; + qcom,charge-enable; + }; -- 1.8.2.2 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html