From patchwork Thu Mar 14 08:39:30 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 10852497 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4130417EF for ; Thu, 14 Mar 2019 08:45:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 30D1F2A27F for ; Thu, 14 Mar 2019 08:45:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 24F612A284; Thu, 14 Mar 2019 08:45:46 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BF5582A27F for ; Thu, 14 Mar 2019 08:45:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727127AbfCNIpo (ORCPT ); Thu, 14 Mar 2019 04:45:44 -0400 Received: from relmlor2.renesas.com ([210.160.252.172]:57563 "EHLO relmlie6.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726539AbfCNIpo (ORCPT ); Thu, 14 Mar 2019 04:45:44 -0400 X-IronPort-AV: E=Sophos;i="5.58,477,1544454000"; d="scan'208";a="10141334" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 14 Mar 2019 17:45:43 +0900 Received: from be1yocto.ree.adwin.renesas.com (unknown [172.29.43.62]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id C4729402C059; Thu, 14 Mar 2019 17:45:39 +0900 (JST) From: Biju Das To: Rob Herring , Mark Rutland Cc: Biju Das , Greg Kroah-Hartman , Heikki Krogerus , Felipe Balbi , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, Simon Horman , Yoshihiro Shimoda , Geert Uytterhoeven , Chris Paterson , Fabrizio Castro , linux-renesas-soc@vger.kernel.org Subject: [PATCH v2 2/7] dt-bindings: usb: renesas_usb3: add usb-role-switch property Date: Thu, 14 Mar 2019 08:39:30 +0000 Message-Id: <1552552775-51667-3-git-send-email-biju.das@bp.renesas.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1552552775-51667-1-git-send-email-biju.das@bp.renesas.com> References: <1552552775-51667-1-git-send-email-biju.das@bp.renesas.com> Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add support for renesas_usb3 to support dual role switch using usb role switch class framework. Signed-off-by: Biju Das --- V1-->V2 * Added usb-role-switch-property * Updated the example with usb-role-switch property. --- .../devicetree/bindings/usb/renesas_usb3.txt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/renesas_usb3.txt b/Documentation/devicetree/bindings/usb/renesas_usb3.txt index 35039e7..eecaf4c 100644 --- a/Documentation/devicetree/bindings/usb/renesas_usb3.txt +++ b/Documentation/devicetree/bindings/usb/renesas_usb3.txt @@ -22,6 +22,7 @@ Required properties: Optional properties: - phys: phandle + phy specifier pair - phy-names: must be "usb" + - usb-role-switch: use USB role switch to support dual-role switch Example of R-Car H3 ES1.x: usb3_peri0: usb@ee020000 { @@ -39,3 +40,24 @@ Example of R-Car H3 ES1.x: interrupts = ; clocks = <&cpg CPG_MOD 327>; }; + +Example of RZ/G2E: + usb3_peri0: usb@ee020000 { + compatible = "renesas,r8a774c0-usb3-peri", + "renesas,rcar-gen3-usb3-peri"; + reg = <0 0xee020000 0 0x400>; + interrupts = ; + clocks = <&cpg CPG_MOD 328>; + companion = <&xhci0>; + usb-role-switch; + + port { + #address-cells = <1>; + #size-cells = <0>; + + usb3peri_role_switch: endpoint@0 { + reg = <0>; + remote-endpoint = <&hd3ss3220_ep>; + }; + }; + };