@@ -105,6 +105,22 @@ PROPERTIES
regulation must be done externally to fully comply with
the JEITA safety guidelines if this flag is set.
+- usb-otg-in-supply:
+ Usage: optional
+ Value type: <phandle>
+ Description: Reference to the regulator supplying power to the USB_OTG_IN
+ pin.
+
+child nodes:
+- otg:
+ Usage: optional
+ Description: This node defines a regulator used to control the direction
+ of VBUS voltage - specifically: whether to supply voltage
+ to VBUS for host mode operation of the OTG port, or allow
+ input voltage from external VBUS for charging. In the
+ hardware, the supply for this regulator comes from
+ usb-otg-in-supply.
+
EXAMPLE
charger@1000 {
compatible = "qcom,pm8941-charger";
@@ -128,4 +144,7 @@ charger@1000 {
qcom,fast-charge-current-limit = <1000000>;
qcom,dc-charge-current-limit = <1000000>;
+ usb-otg-in-supply = <&pm8941_5vs1>;
+
+ otg {};
};
Add a binding for the regulator which controls the OTG chargepath switch. The OTG switch gets its power from pm8941_5vs1, and that should be expressed as a usb-otg-in-supply property in the DT node for the charger driver. The regulator name is "otg". Signed-off-by: Tim Bird <tim.bird@sonymobile.com> --- Changes since v1 - switch supply name to have dashes instead of underscores - remove superfluous DT explanations in the otg node description --- .../devicetree/bindings/power_supply/qcom_smbb.txt | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)