This binding is used to configure the driver for the coincell charger
found in Qualcomm PMICs.
Signed-off-by: Tim Bird <tim.b...@sonymobile.com>
---
.../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
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