From patchwork Tue Dec 15 19:52:10 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Bird, Tim" X-Patchwork-Id: 7857021 X-Patchwork-Delegate: agross@codeaurora.org Return-Path: X-Original-To: patchwork-linux-arm-msm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 9F814BEEE1 for ; Tue, 15 Dec 2015 20:11:36 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 90FC9203B0 for ; Tue, 15 Dec 2015 20:11:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EAD35203C2 for ; Tue, 15 Dec 2015 20:11:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933631AbbLOULb (ORCPT ); Tue, 15 Dec 2015 15:11:31 -0500 Received: from seldsegrel01.sonyericsson.com ([37.139.156.29]:3193 "EHLO SELDSEGREL01.sonyericsson.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932456AbbLOULa (ORCPT ); Tue, 15 Dec 2015 15:11:30 -0500 X-Greylist: delayed 603 seconds by postgrey-1.27 at vger.kernel.org; Tue, 15 Dec 2015 15:11:29 EST From: Tim Bird To: , , , , , , , , CC: , , , , , , 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> X-Mailer: git-send-email 2.6.3 MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 --- 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 {}; };