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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 37E1CCD4F3C for ; Mon, 18 May 2026 11:55:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=kAGzXERG5oNLhxVSrG85EZvGLqcUwrFCSavy/o5fVaQ=; b=rAcXShfeIgw0HzfsADI1R42XGS 8dxG61U3AQfNDr4gif3XwpdMa6kcOnn4CQqGRd4nypyDf0i1bUY9CyfLSl6hWaRKz77ddn0Odv2+v O00pLoYYAG6b6XdmHkPevPLSdnUTWDuBzgDa3fe+8cpru/a/fc+Mf3560kzDEjxqoD1XfRFo8hLS9 +W4QwDD1t+eaWSYtvsdCJ0fIx/Qls4xr6BYpAHYnbiW0WcQCd8X6LyF5isfnp3IlYimDtODNua9ve QkQrism9Bo4h2t8+EGNqRLxJgL/tk8lsPWMQB99MHReL2WrRZ5sWvoqSpbl2mtf4RxysP280w7Wz6 Daui6jCw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wOwYu-0000000FVvQ-0ynn; Mon, 18 May 2026 11:55:08 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wOwYt-0000000FVvD-1Bph for linux-arm-kernel@bombadil.infradead.org; Mon, 18 May 2026 11:55:07 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=kAGzXERG5oNLhxVSrG85EZvGLqcUwrFCSavy/o5fVaQ=; b=nbjNaZrR4pVxTa7jPydAmBdOwM jaE7hxZ8HQ7+a60GbLkz702RHmmsb1933JdJX5h6q/OtniNw9XQPAX9tOtVeecRBJj4sOV3me+sUn vAzILDM52wz6Nmpp1DTDP2Iad/KFnM9JBYgCegIa/gM43hkws0bFlawplI0UNwwkq8rUhKxSRE2wy Z+JCn22pkPXbxU9kN9raWcp66frsB50DASzkK20pX+CqujeSRm23KdVN0LheKex3hSwmHp5lWzAXx /YaBZAZfSpiiiharP+kKIig8k47biWx8SG6td+zlJcNxaqbNp/0ooyZ3gn4eacB0K2ae1JEZGn8XT Ifmj7HHw==; Received: from leonov.paulk.fr ([185.233.101.22]) by desiato.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wOwYp-0000000B1T2-0a8L for linux-arm-kernel@lists.infradead.org; Mon, 18 May 2026 11:55:06 +0000 Received: from laika.paulk.fr (12.234.24.109.rev.sfr.net [109.24.234.12]) by leonov.paulk.fr (Postfix) with ESMTPS id C983B1F8004A for ; Mon, 18 May 2026 11:55:01 +0000 (UTC) Received: by laika.paulk.fr (Postfix, from userid 65534) id 25FE3B407F6; Mon, 18 May 2026 11:55:01 +0000 (UTC) Received: from collins (unknown [192.168.1.1]) by laika.paulk.fr (Postfix) with ESMTPSA id 10335B407F1; Mon, 18 May 2026 11:54:57 +0000 (UTC) Date: Mon, 18 May 2026 13:54:55 +0200 From: Paul Kocialkowski To: Alexander Sverdlin Cc: Andre Przywara , linux-sunxi@lists.linux.dev, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 3/3] arm64: dts: allwinner: A133: add support for Baijie Helper A133 board Message-ID: References: <20260510201644.4143710-1-alexander.sverdlin@gmail.com> <20260510201644.4143710-4-alexander.sverdlin@gmail.com> <2306dd3c-6362-40ee-8d9f-77f89be3a502@arm.com> <14a7e289ff5ffed8fcd6dcb9b2e8455a1b2c9420.camel@gmail.com> <256b1cd8-b143-4f71-91cc-8513be04ce4c@arm.com> <6d8659f393e0bb4f0805107a17e306422982247c.camel@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="yKavoZ/1HsL3ubxV" Content-Disposition: inline In-Reply-To: <6d8659f393e0bb4f0805107a17e306422982247c.camel@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260518_125503_782415_5EECB419 X-CRM114-Status: GOOD ( 27.31 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --yKavoZ/1HsL3ubxV Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi Alexander, Le Mon 18 May 26, 13:29, Alexander Sverdlin a =C3=A9crit : > Hi Andre, >=20 > On Mon, 2026-05-18 at 13:16 +0200, Andre Przywara wrote: > > > > And anyway, I see a *dual* USB-A socket on the pictures online, in > > > > addition to the USB-OTG port. So where does the third USB come from= ? The > > > > A133 only supports one host USB port plus the one OTG port. So is t= here > > > > an USB hub chip on the board? > > >=20 > > > There are two hubs, one on each usbphy. OTG side hub is even bus-powe= red, > >=20 > > What do you mean with OTG side hub, exactly? Is there a hub on USB0? Ho= w=20 > > does this work, then? >=20 > the upstream port of this hub is wired to the USB-C connector, one port h= as > CH340E USB-UART on it for the console, the other port goes to the SoC usb= phy 0. > So it would be "peripheral" only, I suppose. Yes like I explained in my other email there used to be a USB0 ID pin in earlier revisions of the board but it was reassigned and USB0 is now sitting behind the hub so it should be peripheral only. All the best, Paul --=20 Paul Kocialkowski, Independent contractor - sys-base - https://www.sys-base.io/ Free software developer - https://www.paulk.fr/ Expert in multimedia, graphics and embedded hardware support with Linux. --yKavoZ/1HsL3ubxV Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEAbcMXZQMtj1fphLChP3B6o/ulQwFAmoK/g4ACgkQhP3B6o/u lQwT1w//dOWaOoXIX7oAskSSD4md2jxdMx8mlt4NJhi+iEBVB1ygE6+YmG+Q94LB awQBs/znsdHynNvV/5p7s5+yn3KPbERnXWh/FPh3XW8BoZCAFcwsRC/mgJM+v/89 GsSlcHBXo0X8+ieoMeKizDXQpOCrOCQVtZAqW9w1/yJ5Fs5YdcOM4K11ox69nZug cNYtCIPqW6QBvRpRYDjYlqQA7L3r4aBilDeuwQ5PAaV9kkGhzjYhNyUqTdbaV1nb NoWdBq2L4UMn1SMX9sYUakANYpE1RmX07mZk/NQVRsU9Jh05lPTUUvPZlekx42cL mpV/LIAa1ektsktLQWkjRKK4+uTv80zWxumYb0ZSNUTJ6tP2B0juUeZ7dN0TNBmp aPv9rbxhD62c3KLDIKMgh9rysJrPiXejpxia+EbaNxEccwvDjKSUwYekexxKWNCp zWG/PDi4rjcvOMjleICe8P/nvB6RfOtoNDXP4Q8J8cnEHtJUBb24npppd17scOjP MQBhoREcq615+/ktmsjsf+xRbTwNTKqKjsY1qf1RUfsniWhuTjkP+5cl7EsVHHIf ChkTtyYKx2BMm5BWuoJ/lsAreGo/ti9QjcgsFWv986RhGGxRL9/g/Q3+FSj22LTA 7SN83I5GsknORm5KcJQ+bI94J3KaKy3hSJJwTQYOswZXJcmRoTg= =Wukm -----END PGP SIGNATURE----- --yKavoZ/1HsL3ubxV--