From patchwork Mon Mar 13 16:50:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Francesco Dolcini X-Patchwork-Id: 6545 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:5915:0:0:0:0:0 with SMTP id v21csp1299644wrd; Mon, 13 Mar 2023 10:03:39 -0700 (PDT) X-Google-Smtp-Source: AK7set9Nugg2zzYNe7gYnDfc/609aaYSXulMWTQi+JEAYxIw0eSsMyLXjB1O3LeyvowkbZlWm8qW X-Received: by 2002:a17:903:188:b0:19f:33b1:2bcf with SMTP id z8-20020a170903018800b0019f33b12bcfmr8143017plg.45.1678727019367; Mon, 13 Mar 2023 10:03:39 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1678727019; cv=none; d=google.com; s=arc-20160816; b=JqkktaK6aj1508d72ZSgpf4crPM/JwI5TcnT4hjREgvgyk1yfJnCKMAAmpb+6mCai9 ote1Lwzqhs0+HPg7BP45TcVPb4NvR+yuFqXzjaIrJRk5H7u/gL8m7M3vyOMbEbazF+oJ H++KlCaV5Bi9LiYUuXeM39rG/16lW38DNSjsLwAlVGY83Norfhkvk682W3Fu7jIe1orX X6ay/iAyUxUe4FO4hLcGczwfsMuOgBdWuL/DG/Pkjzsi7fayiJj9vYTitX+Ty+s3pIch 2217U1Of4j3YCElc7Xs60A6jKfQyGuc8320yrlcRZfYVteFyrc7ntC7pNZZtGfPl96iQ 9b6w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=+hgaSEumkVPYeBD+iGqZ7MVzt7SLgEMYrGKOzGKpnBE=; b=ffBmQ0EfMaX9KhbNBVlk7/DjV6zrP/dFip8aYrIvDOsCJGOiZZbj2tqA3XWkRsj1ys Ld/vJWHzvegIgJVCDRQbmuo42ZA9h5uigJQnLxwkkjlAXolRD3U4qPisDMmgoHNRD89R pdnw2rd3m1OaD18tG/pTCdhBxuWpQ4ydoT3qHyCtkkf3utmigyT+gwiD27PJk4tS+2fv Xg4hghS869hiCx1gHOL9Rh2JyNSKYjXcfGAOR/2DQ95+F+GR36IPPoewRTiBD55tSfF3 0iwOKaoLnwzOuXZ5vYdJpesUlvjIefO8qeLDsKtx9fT6Q8ehWE7x3DLBBn3RUt1mnrI/ 2EiQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id la15-20020a170902fa0f00b0019f243b2dccsi166202plb.415.2023.03.13.10.03.26; Mon, 13 Mar 2023 10:03:39 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231133AbjCMQ4s (ORCPT + 99 others); Mon, 13 Mar 2023 12:56:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51284 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230320AbjCMQ4q (ORCPT ); Mon, 13 Mar 2023 12:56:46 -0400 X-Greylist: delayed 342 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Mon, 13 Mar 2023 09:56:29 PDT Received: from mail11.truemail.it (mail11.truemail.it [217.194.8.81]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2D0286F622; Mon, 13 Mar 2023 09:56:28 -0700 (PDT) Received: from francesco-nb.pivistrello.it (93-49-2-63.ip317.fastwebnet.it [93.49.2.63]) by mail11.truemail.it (Postfix) with ESMTPA id 7286821E1F; Mon, 13 Mar 2023 17:50:44 +0100 (CET) From: Francesco Dolcini To: linux-usb@vger.kernel.org Cc: Francesco Dolcini , linux-kernel@vger.kernel.org, Greg Kroah-Hartman Subject: [PATCH v1 0/3] usb: misc: usb3503: support usb3803 and bypass mode Date: Mon, 13 Mar 2023 17:50:36 +0100 Message-Id: <20230313165039.255579-1-francesco@dolcini.it> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_PASS, T_SPF_TEMPERROR autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1760272516598715919?= X-GMAIL-MSGID: =?utf-8?q?1760272863219363210?= From: Francesco Dolcini Add support for USB3803 and bypass mode. While the usb3503 variant uses a HSIC connection to upstream, the usb3803 uses a regular USB connection and provides a bypass mode. In bypass mode the downstream port 3 is connected to the upstream port with low switch resistance R_on. Controlling mode of operations: | RESET_N | BYPASS_N | Mode | -------------------------------- | 0 | 0 | standby | | 1 | 0 | bypass | | 1 | 1 | hub | Emanuele Ghidoli (3): dt-bindings: usb: smsc,usb3503: Add usb3803 usb: misc: usb3503: refactor code to prepare for usb3803 addition usb: misc: usb3503: support usb3803 and bypass mode .../devicetree/bindings/usb/smsc,usb3503.yaml | 54 +++++++++++++++- drivers/usb/misc/usb3503.c | 64 +++++++++++-------- include/linux/platform_data/usb3503.h | 1 + 3 files changed, 92 insertions(+), 27 deletions(-)