From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <SRS0=skvR=3Y=vger.kernel.org=devicetree-owner@kernel.org>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on
	aws-us-west-2-korg-lkml-1.web.codeaurora.org
X-Spam-Level: 
X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED,
	DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,
	MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,
	USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0
Received: from mail.kernel.org (mail.kernel.org [198.145.29.99])
	by smtp.lore.kernel.org (Postfix) with ESMTP id 81084C3F68F
	for <linux-devicetree@archiver.kernel.org>; Tue,  4 Feb 2020 11:19:03 +0000 (UTC)
Received: from vger.kernel.org (vger.kernel.org [209.132.180.67])
	by mail.kernel.org (Postfix) with ESMTP id 58D8520730
	for <linux-devicetree@archiver.kernel.org>; Tue,  4 Feb 2020 11:19:03 +0000 (UTC)
Authentication-Results: mail.kernel.org;
	dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="FdxP0tLK"
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1727223AbgBDLS7 (ORCPT
        <rfc822;linux-devicetree@archiver.kernel.org>);
        Tue, 4 Feb 2020 06:18:59 -0500
Received: from hqnvemgate24.nvidia.com ([216.228.121.143]:14208 "EHLO
        hqnvemgate24.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1727225AbgBDLS6 (ORCPT
        <rfc822;devicetree@vger.kernel.org>); Tue, 4 Feb 2020 06:18:58 -0500
Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate24.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA)
        id <B5e3952e80001>; Tue, 04 Feb 2020 03:18:00 -0800
Received: from hqmail.nvidia.com ([172.20.161.6])
  by hqpgpgate102.nvidia.com (PGP Universal service);
  Tue, 04 Feb 2020 03:18:57 -0800
X-PGP-Universal: processed;
        by hqpgpgate102.nvidia.com on Tue, 04 Feb 2020 03:18:57 -0800
Received: from HQMAIL109.nvidia.com (172.20.187.15) by HQMAIL101.nvidia.com
 (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 4 Feb
 2020 11:18:56 +0000
Received: from rnnvemgw01.nvidia.com (10.128.109.123) by HQMAIL109.nvidia.com
 (172.20.187.15) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend
 Transport; Tue, 4 Feb 2020 11:18:56 +0000
Received: from nkristam-ubuntu.nvidia.com (Not Verified[10.19.67.128]) by rnnvemgw01.nvidia.com with Trustwave SEG (v7,5,8,10121)
        id <B5e39531d0000>; Tue, 04 Feb 2020 03:18:56 -0800
From:   Nagarjuna Kristam <nkristam@nvidia.com>
To:     <balbi@kernel.org>, <gregkh@linuxfoundation.org>,
        <thierry.reding@gmail.com>, <jonathanh@nvidia.com>,
        <mark.rutland@arm.com>, <robh+dt@kernel.org>, <kishon@ti.com>
CC:     <devicetree@vger.kernel.org>, <linux-tegra@vger.kernel.org>,
        <linux-usb@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        Nagarjuna Kristam <nkristam@nvidia.com>
Subject: [Patch V4 01/19] dt-bindings: phy: tegra-xusb: Add usb-role-switch
Date:   Tue, 4 Feb 2020 16:46:47 +0530
Message-ID: <1580815025-10915-2-git-send-email-nkristam@nvidia.com>
X-Mailer: git-send-email 2.7.4
In-Reply-To: <1580815025-10915-1-git-send-email-nkristam@nvidia.com>
References: <1580815025-10915-1-git-send-email-nkristam@nvidia.com>
X-NVConfidentiality: public
MIME-Version: 1.0
Content-Type: text/plain
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1;
        t=1580815080; bh=KMik/J6UPteBz33x5E9rCRFcxi4LB3XNiu5nvjOq/T0=;
        h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer:
         In-Reply-To:References:X-NVConfidentiality:MIME-Version:
         Content-Type;
        b=FdxP0tLKK2fGSwIv2E1tV5XO2BHKb3pDIPM9mf9/KtrEi4lpcmXwUy9+TJgqfOl6U
         boJt30EQme+lXAngXt8ZfIKQiVAM6BH0AUNIuTtfT9jEoFQSsYQD10ERYYcr+uHPnD
         xN0TfbqaSyumDA9R2Azfu+oDOxZmftHh1jo7t9BNR+ft5/xN53e65GWVeOrWrItuHR
         KmHnEUeczDWkvxIzjDD3RC1oPvDKUriaGWYlicR7iDIo5Hfa9hX8IAKbCxyNKs0PEX
         e9pU4MiqhG4dy+cX7kBHKujETdTm0Qll4bTL8yC17I5br7ihe8VBJ7k1j8BkfoHpmJ
         omk1Atwij767A==
Sender: devicetree-owner@vger.kernel.org
Precedence: bulk
List-ID: <devicetree.vger.kernel.org>
X-Mailing-List: devicetree@vger.kernel.org

Add usb-role-switch property for Tegra210 and Tegra186 platforms. This
entry is used by XUSB pad controller driver to register for role changes
for OTG/Peripheral capable USB 2 ports.

Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Acked-by: Rob Herring <robh@kernel.org>
---
V3-V4:
 - Added Acked-by updates to commit message.
---
V2:
 - Moved usb-role-switch to seperate Required section as suggested by Thierry.
 - Added reference to usb/usb-conn-gpio.txt for connector subnode.
---
 .../devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt         | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt b/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt
index 9fb682e..23bf354 100644
--- a/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt
+++ b/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt
@@ -174,6 +174,12 @@ Required properties:
   - "device": for USB device mode
   - "otg": for USB OTG mode
 
+Required properties for OTG/Peripheral capable USB2 ports:
+- usb-role-switch: Boolean property to indicate that the port support OTG or
+  peripheral mode. If present, the port supports switching between USB host
+  and peripheral roles. Connector should be added as subnode.
+  See usb/usb-conn-gpio.txt.
+
 Optional properties:
 - nvidia,internal: A boolean property whose presence determines that a port
   is internal. In the absence of this property the port is considered to be
-- 
2.7.4