From patchwork Wed Oct 11 06:14:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herve Codina X-Patchwork-Id: 732280 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 76929CD98C7 for ; Wed, 11 Oct 2023 06:14:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344210AbjJKGOw (ORCPT ); Wed, 11 Oct 2023 02:14:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344090AbjJKGOv (ORCPT ); Wed, 11 Oct 2023 02:14:51 -0400 Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E279698; Tue, 10 Oct 2023 23:14:48 -0700 (PDT) Received: by mail.gandi.net (Postfix) with ESMTPA id 71997E0004; Wed, 11 Oct 2023 06:14:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1697004886; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=23eMn1F0tQykS1taFU6lIQ4tydp+M8foL6ysbaE8qB4=; b=avBkfA+72QjYMhbHdiefziQOa9i3hwdzKBJL6OgFW3vu48D2Qj/kQhHQLXmUG9kc3QeZeX TR+8Q40IMAA4IWq1kW9wVMJVyqVF6Y5CRD1mNY+6T995HubuMYR4usynXTOVpU0+3ltYFP 7RcsdvRS3YVjDgERwMkgiF3WFtp1TICv4czLDNM1vVYnqC4iOaR7KcJu+tD3msDKhBrFLo vb4W0yBseBUir3mBReG86mKIgXX3YmV1ERyJfgvxtVEc0FAmCJVJRwFQAvXIeh3TYw/bAa i7yIF4tvCO9qnXdZp1l+ufwk31NBaQtCLIU6n4cJTHiCimkrpiRWVW7eto7kkA== From: Herve Codina To: Herve Codina , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Lee Jones , Linus Walleij , Qiang Zhao , Li Yang , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Shengjiu Wang , Xiubo Li , Fabio Estevam , Nicolin Chen , Christophe Leroy , Randy Dunlap Cc: netdev@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, alsa-devel@alsa-project.org, Simon Horman , Christophe JAILLET , Thomas Petazzoni Subject: [PATCH v8 00/30] Add support for QMC HDLC, framer infrastructure and PEF2256 framer Date: Wed, 11 Oct 2023 08:14:04 +0200 Message-ID: <20231011061437.64213-1-herve.codina@bootlin.com> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 X-GND-Sasl: herve.codina@bootlin.com Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Hi, I have a system where I need to handle an HDLC interface and some audio data. The HDLC data are transferred using a TDM bus on which a PEF2256 (E1/T1 framer) is present. The PEF2256 transfers data from/to the TDM bus to/from the E1 line. This PEF2256 is connected to a PowerQUICC SoC for the control path and the TDM is connected to the SoC (QMC component) for the data path.