From patchwork Mon Oct 1 19:44:59 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Badhri Jagan Sridharan X-Patchwork-Id: 977433 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.b="S0Ix9PzT"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 42PCRq3m9Lz9sB4 for ; Tue, 2 Oct 2018 05:45:11 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726353AbeJBCY2 (ORCPT ); Mon, 1 Oct 2018 22:24:28 -0400 Received: from mail-pg1-f202.google.com ([209.85.215.202]:52867 "EHLO mail-pg1-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726204AbeJBCY1 (ORCPT ); Mon, 1 Oct 2018 22:24:27 -0400 Received: by mail-pg1-f202.google.com with SMTP id m4-v6so16917397pgq.19 for ; Mon, 01 Oct 2018 12:45:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:message-id:mime-version:subject:from:to:cc; bh=udaP/p7JA9sNL+94no8kNxyGH61VvMpNqCPfAcizEOQ=; b=S0Ix9PzTeTETWVziFDdenMCFKp59d3063s6Q3p66CGtdDDrgLFYv//FBKxq9nreyDs 1DeDB/pGJDG6yFo2WurfoseLp8O5PDdzwDU4GconXQd/IsGVt65+XbELa6+rctijCUQX JVDn91lhYwdBZ9Jy3QJ+FyVlrVGg0gQ2ZWzcouzxsIjO5SGQk0F3BmLaXln8dHrdU+yV F9SVkgm2JpVBD7uQChCMli3fY54JlnZ/7dDj5Tc0380gtFHE84S1LCo0xF0eGqnxbu2f GD+JOPT0lr5LpgOXPmOaChPDL3CpKaFby1NF26+lUhml0hivoW3avhM2xZ9NKCfYDACT yptw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=udaP/p7JA9sNL+94no8kNxyGH61VvMpNqCPfAcizEOQ=; b=t9dKHZwHrdpXy3iD+om2hdfByN6fw+FHic+0U2NNNBNe90XmDFf5Fwi7mgsRVmZt76 FkVrhIiHMEQBNUt+BrFBbQgpnRK5/ey6k5RBU6YveNKeXfHAQ2rSbZ7xwkNDERAGJEIF ZErXC3MZM93YT2xJ5F0/EVEFCNTAqcvEzJmN+AiCdprPc5Sg5HIw/U+qGSXW2d1V00Mi x8f59rK0JsEz+CfO1EQiHHD2k4gQ61FOepjc9QJ5ijL1iJdsAp2yMT+Sygdk+uV5Pc/F RRVONsNlsBNVEtLDts3RzgJG5h2KiuwxkKav00DDaVnqlcpmAjCCCY9cpDdCUcEVmNWd hzhw== X-Gm-Message-State: ABuFfojBtGs1A85pKOFxmcm3YC2wxfvUuGPGxfWXhUGwgroMnd+wJIhd /8y+Uwc8YG7Na2fgpeCX61l4SyWkkUg= X-Google-Smtp-Source: ACcGV61R2rvneeiFmOjqbPXQy0Hxj0PyIruH0rAsK13hgcu2ZoZyzVfSvLmOKMua4msck+l210dCjqEWAeY= X-Received: by 2002:a62:ca1a:: with SMTP id n26-v6mr5695133pfg.15.1538423105823; Mon, 01 Oct 2018 12:45:05 -0700 (PDT) Date: Mon, 1 Oct 2018 12:44:59 -0700 Message-Id: <20181001194501.58338-1-badhri@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.19.0.605.g01d371f741-goog Subject: [PATCH v3 1/3] dt-bindings: connector: Add self-powered property From: Badhri Jagan Sridharan To: Rob Herring , Mark Rutland , Heikki Krogerus , Greg Kroah-Hartman , Chanwoo Choi , Andrzej Hajda , Li Jun , linux@roeck-us.net, jackp@codeaurora.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Badhri Jagan Sridharan Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org >From USB_PD_R3_0 7.1.5 Response to Hard Resets Device operation during and after a Hard Reset is defined as follows: Self-powered devices Should Not disconnect from USB during a Hard Reset (see Section 9.1.2). Bus powered devices will disconnect from USB during a Hard Reset due to the loss of their power source. Therefore it is necessary to know whether the port belongs to a device which is self powered or bus powered. This change adds "self-powered" flag to the connector class which present indicates that the port belongs to a device that is self powered. Else it is bus powered usb device. Signed-off-by: Badhri Jagan Sridharan ------- Changes is v3: - Rebase on top of usb-next - no change w.r.t to this patch. Same as previous versions. No v2 version as the patch was introduced there. Reviewed-by: Rob Herring Reviewed-by: Heikki Krogerus Reviewed-by: Heikki Krogerus Reviewed-by: Heikki Krogerus Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/connector/usb-connector.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/connector/usb-connector.txt b/Documentation/devicetree/bindings/connector/usb-connector.txt index d90e17e2428b..a9a2f2fc44f2 100644 --- a/Documentation/devicetree/bindings/connector/usb-connector.txt +++ b/Documentation/devicetree/bindings/connector/usb-connector.txt @@ -14,6 +14,8 @@ Optional properties: - label: symbolic name for the connector, - type: size of the connector, should be specified in case of USB-A, USB-B non-fullsize connectors: "mini", "micro". +- self-powered: Set this property if the usb device that has its own power + source. Optional properties for usb-c-connector: - power-role: should be one of "source", "sink" or "dual"(DRP) if typec