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[199.106.103.254]) by smtp.gmail.com with ESMTPSA id j63sm50692446pfj.70.2016.10.17.17.42.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 17 Oct 2016 17:42:54 -0700 (PDT) From: Stephen Boyd To: Sebastian Reichel Cc: "Bird, Tim" , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Mark Brown , linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, Bjorn Andersson , Andy Gross , Tim Bird Subject: [PATCH v5 1/2] dt-binding: power: Add otg regulator binding Date: Mon, 17 Oct 2016 17:42:50 -0700 Message-Id: <20161018004251.28733-2-stephen.boyd@linaro.org> X-Mailer: git-send-email 2.10.0.297.gf6727b0 In-Reply-To: <20161018004251.28733-1-stephen.boyd@linaro.org> References: <20161018004251.28733-1-stephen.boyd@linaro.org> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: "Bird, Tim" 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 Acked-by: Bjorn Andersson Reviewed-by: Andy Gross Acked-by: Rob Herring Signed-off-by: Stephen Boyd --- .../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 65b88fac854b..06f8a5ddb68e 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 {}; };