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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3CE8AEB64D8 for ; Wed, 21 Jun 2023 15:07:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232895AbjFUPHw (ORCPT ); Wed, 21 Jun 2023 11:07:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45736 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232927AbjFUPHb (ORCPT ); Wed, 21 Jun 2023 11:07:31 -0400 Received: from mail-il1-x132.google.com (mail-il1-x132.google.com [IPv6:2607:f8b0:4864:20::132]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5B7684237 for ; Wed, 21 Jun 2023 08:02:22 -0700 (PDT) Received: by mail-il1-x132.google.com with SMTP id e9e14a558f8ab-341d62e78d3so27748355ab.3 for ; Wed, 21 Jun 2023 08:02:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1687359679; x=1689951679; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=7IWxGdoDKiSa7ojnAiaIyq/I0rvvq8Wnb8+SgCPyMUs=; b=ItMTpqJPD6cH7ewZK09P0GrNXqFi5PqYkirs210fdkC2ks3Jbkw3VLHSprGuO7SXxE 0FuQC2RuxJ6ea+3THLwW+wpifd3C54RLVg/2SaL58UbmoO7BifQ7VSBwj2yy8dhY9syx x57+oZE+9VQReGZUWbzV7qZfTQk6FBIEWdsDk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687359679; x=1689951679; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=7IWxGdoDKiSa7ojnAiaIyq/I0rvvq8Wnb8+SgCPyMUs=; b=XErwPndNf4mWPny2Es4d0Zb/vO/Vn+ysBoxHqJEzwiqQ18pVRoRqQTc2C5Q9upTXw+ Zxy+Clz00fF3nKLjrdob1W/pIGLYShji0ZuXTyxosvE8fJdxpPgJG5pxmwbG27SLyvAV xtlyfRMgcVmJI6/TaCMV6iVOiEBQAvx1dW8KTJNQH7RqonS6FUFPqs4zHWauCXTNoa1x iPUBU9aBe9QozOhSt/8akl+g+lZ/fdYqDNxqOoUdd8HDmClS3WhvoHJuoqLwXAIwNpu0 abTb5OqNxEzcDbP5MuoOGe4HU7HMQiDFcyGJc2U3/izDUKAFulGMcezBVZoEIy81F2IT /HTg== X-Gm-Message-State: AC+VfDzZe6e6Q80lhh8x44vH+NSYZBHny3ShKoYCaguN1yLp+9vpIxI+ 5+//giR889R6k7FXWlJloDKt8w== X-Google-Smtp-Source: ACHHUZ45VBIzKmJLKZMBeuzdUhfQm6mZzTfscWJvIov3rCk9qo0Jzt3rLev4OSyFRt+cvT5OoliuXQ== X-Received: by 2002:a92:4b02:0:b0:33d:136f:249f with SMTP id m2-20020a924b02000000b0033d136f249fmr15308554ilg.22.1687359679475; Wed, 21 Jun 2023 08:01:19 -0700 (PDT) Received: from localhost (30.23.70.34.bc.googleusercontent.com. [34.70.23.30]) by smtp.gmail.com with UTF8SMTPSA id y15-20020a92090f000000b00342372e78f2sm1381026ilg.3.2023.06.21.08.01.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 21 Jun 2023 08:01:18 -0700 (PDT) Date: Wed, 21 Jun 2023 15:01:18 +0000 From: Matthias Kaehlcke To: Benjamin Bara Cc: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Benjamin Bara , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH v2 2/3] usb: misc: onboard-hub: add support for Cypress HX3 USB 3.0 family Message-ID: References: <20230620-hx3-v2-0-76a53434c713@skidata.com> <20230620-hx3-v2-2-76a53434c713@skidata.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20230620-hx3-v2-2-76a53434c713@skidata.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Wed, Jun 21, 2023 at 04:26:28PM +0200, Benjamin Bara wrote: > From: Benjamin Bara > > The HX3 comes in different variants (up to 4 USB 3.0 ports; multi-TT), > e.g. CYUSB330x/CYUSB331x/CYUSB332x/CYUSB230x. It operates with two > different power supplies: 1V2 and 3V3. > > Add the support for this hub, for controlling the reset pin and the > power supplies. > > Reset time is extracted from data sheet, page 24: > "The RESETN pin can be tied to VDD_IO through an external resistor and > to ground (GND) through an external capacitor (minimum 5 ms time > constant)." > V_IH min is given at 0.7 * 3V3 (page 34), therefore use 10ms. > > Also add USB PIDs for the USB 2.0 and USB 3.0 root hub. > > Signed-off-by: Benjamin Bara Acked-by: Matthias Kaehlcke