From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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=-0.7 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 6BB02C432BE for ; Sat, 28 Aug 2021 16:02:28 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2838560E8B for ; Sat, 28 Aug 2021 16:02:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 2838560E8B Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=googlemail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:Subject:Message-ID:Date:From: In-Reply-To:References:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=aetK8lwfD7yMOYfWzc/dS6/rmjIm7R4FuMuuX/FSOEs=; b=VgGkFWFiPH1SAG plg2vnb7G5vk4qHC7sLIhpLoONJYkl+o6WT/941Jvd7BTzuLEY7iCZQdUjHQYN3VFJjgsQh3rTEAa sP1onr0jJRoB4+m06xNi2hIYbY5tOv4KinaUpMZrTC4/rs8W1l6rlVpwqpmeNFHV6XZNpFrGvKeHq gE4NNV1dLcImXgV0MCsjAfi3b/UkJN7r8QxbkLHkNLv0mY8oG9N5pb9hs64OaeBGQF2CoHE9GF+po O2gqbT9aAA5LQGgpj/93ggpKIacYvSYt3QynD6uTRd9SLzxlAwjMtQ3aqAbKe4Tic6IMAJoWzkt9M EDEJNmush3pGQQSrRYcw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mK0lE-00ESLG-5M; Sat, 28 Aug 2021 16:00:48 +0000 Received: from mail-ej1-x629.google.com ([2a00:1450:4864:20::629]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mK0l7-00ESIp-9x; Sat, 28 Aug 2021 16:00:45 +0000 Received: by mail-ej1-x629.google.com with SMTP id ia27so20740160ejc.10; Sat, 28 Aug 2021 09:00:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=q+Lu3zsplYuNKF2IF+QmpVTl2y5bBSCP+aSg8wuwsiw=; b=HF+xsgvsnrJrPToIAqza2r4D+a2I4uKoEWs4qUPB9ZtxE2lP61oybEuf71lmwwsehc chY8Av/MqB3ykfHwW0Ja5AxiiZmS4/DeXKkolm4txdYKhEzQZ5l138XMO3+VGsgrn+CR qwuu/5OM9ZpeW453SAUOh2G0AL+xSwJflEuEAGZTKZRElo1NZcF6YyQ3H8TiHqZmsX9W cIp2roGNC2b7of6WssIXw6mppEIUbFl7OvHHsaudDCz6Zt2sFliwpt/O0M5kPzE1zl1N 756MlwT00hoeEpixvex5O9YwQCeeFTh1XN4lFUY34JKFo2eSz4EfQNcOSLu2WHn5h/N7 mH3A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=q+Lu3zsplYuNKF2IF+QmpVTl2y5bBSCP+aSg8wuwsiw=; b=lnDk1agitAQ53KVq5Rl1ZzmMCQuNtvlvBFbtXKjZ5tKKH7GctGFdEeY19CKiu4NQns HR8D/2cXwvGHBLPxb1RVBgmtUXW3sgEfY3DPd4ecv8xtaYfCA13ZdNtxlBPuQrslw2Qd orlOHey8nRqVv4udMcBwNRonyeej5P67FttnC6rN1z1/c2gburkgUp+6NR98XDou90qg 8uqz7ypbHQOha75uGeyIgdax+bmc7bEMJv2eCPTeAwUh852reMduTVK05bLN0y0/mibG 45vnVm1OTsJERZyzOP/PUdwRzVEWdtPPELHkW4Vz9EjtiY6LDSYYa9T4rj5uoND7T5Rw 4eWw== X-Gm-Message-State: AOAM532GYyupcE1UAnrj4v7rZlqD0Wv95K++KVg4wuVSfUFkKhxrW8k3 GmGyvgylSoyzdeOKD7ECQNC5P8iIoQjP2B1GKpA= X-Google-Smtp-Source: ABdhPJwD2vEA5j8yQQHHv0y4xe5OPRu0rQ5pLqz4tIRsU3/TzhWBp80jORvSGA8DCjkphVreH8wjKsmX3LcpVwfxUqE= X-Received: by 2002:a17:906:369a:: with SMTP id a26mr15768976ejc.539.1630166438950; Sat, 28 Aug 2021 09:00:38 -0700 (PDT) MIME-Version: 1.0 References: <20210817041548.1276-1-linux.amoon@gmail.com> <20210817041548.1276-4-linux.amoon@gmail.com> In-Reply-To: <20210817041548.1276-4-linux.amoon@gmail.com> From: Martin Blumenstingl Date: Sat, 28 Aug 2021 18:00:28 +0200 Message-ID: Subject: Re: [PATCHv3 3/6] arm64: dts: amlogic: odroidc2: Fix the chip enable signal for usb power To: Anand Moon Cc: linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Matt Corallo , Rob Herring , Neil Armstrong , Kevin Hilman , Jerome Brunet , Kishon Vijay Abraham I , Vinod Koul , Emiliano Ingrassia , Brian Kim X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210828_090041_407323_6C7F1670 X-CRM114-Status: UNSURE ( 8.89 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Anand, On Tue, Aug 17, 2021 at 6:17 AM Anand Moon wrote: > > Fix the chip enable signal changing from Active High to Active Low > to enable input power to USB power. Also updated signal name as per > the schematics. according to [0] (page 12) Odroid-C2 uses an "RT9715EGB" for USB OTG power The datasheet for that power switch [1] mentions on page page 1 that the "E" stands for "E : 1.1A/Active High" Can you please elaborate how you have tested this to confirm that active low is the correct polarity? Best regards, Martin [0] https://dn.odroid.com/S905/Schematic/odroid-c2_rev0.1_20150930.pdf [1] https://www.richtek.com/assets/product_file/RT9715/DS9715-03.pdf _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel