From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tim Bird Subject: [PATCH v4 1/3] dt-binding: power: Add otg regulator binding Date: Tue, 15 Dec 2015 11:52:10 -0800 Message-ID: <1450209132-20185-1-git-send-email-tim.bird@sonymobile.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-arm-msm-owner@vger.kernel.org To: robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, sre@kernel.org, courtney.cavin@sonymobile.com, dbaryshkov@gmail.com, dwmw2@infradead.org, agross@codeaurora.org Cc: Bjorn.Andersson@sonymobile.com, devicetree@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, tbird20d@gmail.com, tim.bird@sonymobile.com List-Id: devicetree@vger.kernel.org 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-vbus". Signed-off-by: Tim Bird --- Changes since v3 - switch supply name to have underscores instead of dashes - (switched back to match the name used in data sheets) - switch regulator node name to otg-vbus 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(+) diff --git a/Documentation/devicetree/bindings/power_supply/qcom_smbb.txt b/Documentation/devicetree/bindings/power_supply/qcom_smbb.txt index 65b88fa..06f8a5d 100644 --- a/Documentation/devicetree/bindings/power_supply/qcom_smbb.txt +++ b/Documentation/devicetree/bindings/power_supply/qcom_smbb.txt @@ -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: + Description: Reference to the regulator supplying power to the USB_OTG_IN + pin. + +child nodes: +- otg-vbus: + 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-vbus {}; }; -- 2.6.3