From patchwork Tue Sep 1 12:50:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kurt Kanzenbach X-Patchwork-Id: 261690 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=-4.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, 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 3E545C433E2 for ; Tue, 1 Sep 2020 12:54:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 130B3206CD for ; Tue, 1 Sep 2020 12:54:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="ub18kjFK"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="ExXfoPwA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728152AbgIAMye (ORCPT ); Tue, 1 Sep 2020 08:54:34 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:40106 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728142AbgIAMuj (ORCPT ); Tue, 1 Sep 2020 08:50:39 -0400 From: Kurt Kanzenbach DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1598964628; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=B57xot5d+Z91drM+Hpcp8+XcTEwxmnpriJrhtSqCEjs=; b=ub18kjFKZALPvWvc0acyM0duvHG7MckCm85Vkf6EbCeKwzubAtd4JSH8HzjwjHCwFjKWYA qTorVkv9vWNHfwyWUfuAPz2dNWY2rA8mV5XdilIFbbq8p/ffSqE/Px8Z6S55inT5bolvG5 1WHyzg/x2bNo7AQh9jqB27wh5qDTmXKJhc7vV9zvSU7+Wl33kO+eK6yHxCEEaqxR6wb6qh 1u7Q85WjE7a0BXa1+hdi3PzkDi3x7ZOxl7uo0F/nmbKvTkhEwtrJRZK5jxGPzDWLy+WwgB 9o8Tiw441DXMJFsGngme84u/S49kT285wL/KD6zQDaRZaKmYkgdr3GcNro71Zw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1598964628; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=B57xot5d+Z91drM+Hpcp8+XcTEwxmnpriJrhtSqCEjs=; b=ExXfoPwAPv47+uGshvceQEmxRoq9Oe3OUdacabMaRoAcugc+lsbzzNx5zoJPFTrOlSIG06 g/i/78Rpt7nR8eAA== To: Andrew Lunn , Vivien Didelot , Florian Fainelli Cc: "David S. Miller" , Jakub Kicinski , netdev@vger.kernel.org, Rob Herring , devicetree@vger.kernel.org, Sebastian Andrzej Siewior , Richard Cochran , Kamil Alkhouri , ilias.apalodimas@linaro.org, Vladimir Oltean , Kurt Kanzenbach Subject: [PATCH v4 0/7] Hirschmann Hellcreek DSA driver Date: Tue, 1 Sep 2020 14:50:07 +0200 Message-Id: <20200901125014.17801-1-kurt@linutronix.de> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hi, this series adds a DSA driver for the Hirschmann Hellcreek TSN switch IP. Characteristics of that IP: * Full duplex Ethernet interface at 100/1000 Mbps on three ports * IEEE 802.1Q-compliant Ethernet Switch * IEEE 802.1Qbv Time-Aware scheduling support * IEEE 1588 and IEEE 802.1AS support That IP is used e.g. in https://www.arrow.com/en/campaigns/arrow-kairos Due to the hardware setup the switch driver is implemented using DSA. A special tagging protocol is leveraged. Furthermore, this driver supports PTP and hardware timestamping. This work is part of the AccessTSN project: https://www.accesstsn.com/ The previous versions can be found here: * https://lkml.kernel.org/netdev/20200618064029.32168-1-kurt@linutronix.de/ * https://lkml.kernel.org/netdev/20200710113611.3398-1-kurt@linutronix.de/ * https://lkml.kernel.org/netdev/20200723081714.16005-1-kurt@linutronix.de/ * https://lkml.kernel.org/netdev/20200820081118.10105-1-kurt@linutronix.de/ Due to the changes with the compatible strings and platform data patch 2 and 7 should be re-reviewed. Changes since v3: * Drop TAPRIO support (David Miller) => Switch to mutexes due to the lack of hrtimers * Use more specific compatible strings and add platform data (Andrew Lunn) * Fix Kconfig ordering (Andrew Lunn) Changes since v2: * Make it compile by getting all requirements merged first (Jakub Kicinski, David Miller) * Use "tsn" for TSN register set (Rob Herring) * Fix DT binding issues (Rob Herring) Changes since v1: * Code simplifications (Florian Fainelli, Vladimir Oltean) * Fix issues with hellcreek.yaml bindings (Florian Fainelli) * Clear reserved field in ptp v2 event messages (Richard Cochran) * Make use of generic ptp parsing function (Richard Cochran, Vladimir Oltean) * Fix Kconfig (Florian Fainelli) * Add tags (Florian Fainelli, Rob Herring, Richard Cochran) Changes since RFC ordered by reviewers: * Andrew Lunn * Use dev_dbg for debug messages * Get rid of __ function names where possible * Use reverse xmas tree variable ordering * Remove redundant/useless checks * Improve comments e.g. for PTP * Fix Kconfig ordering * Make LED handling more generic and provide info via DT * Setup advertisement of PHYs according to hardware * Drop debugfs patch * Jakub Kicinski * Fix compiler warnings * Florian Fainelli * Switch to YAML DT bindings * Richard Cochran * Fix typo * Add missing NULL checks Kamil Alkhouri (2): net: dsa: hellcreek: Add PTP clock support net: dsa: hellcreek: Add support for hardware timestamping Kurt Kanzenbach (5): net: dsa: Add tag handling for Hirschmann Hellcreek switches net: dsa: Add DSA driver for Hirschmann Hellcreek switches net: dsa: hellcreek: Add PTP status LEDs dt-bindings: Add vendor prefix for Hirschmann dt-bindings: net: dsa: Add documentation for Hellcreek switches .../bindings/net/dsa/hellcreek.yaml | 127 ++ .../devicetree/bindings/vendor-prefixes.yaml | 2 + drivers/net/dsa/Kconfig | 2 + drivers/net/dsa/Makefile | 1 + drivers/net/dsa/hirschmann/Kconfig | 9 + drivers/net/dsa/hirschmann/Makefile | 5 + drivers/net/dsa/hirschmann/hellcreek.c | 1262 +++++++++++++++++ drivers/net/dsa/hirschmann/hellcreek.h | 282 ++++ .../net/dsa/hirschmann/hellcreek_hwtstamp.c | 479 +++++++ .../net/dsa/hirschmann/hellcreek_hwtstamp.h | 58 + drivers/net/dsa/hirschmann/hellcreek_ptp.c | 452 ++++++ drivers/net/dsa/hirschmann/hellcreek_ptp.h | 76 + .../platform_data/hirschmann-hellcreek.h | 22 + include/net/dsa.h | 2 + net/dsa/Kconfig | 6 + net/dsa/Makefile | 1 + net/dsa/tag_hellcreek.c | 101 ++ 17 files changed, 2887 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/dsa/hellcreek.yaml create mode 100644 drivers/net/dsa/hirschmann/Kconfig create mode 100644 drivers/net/dsa/hirschmann/Makefile create mode 100644 drivers/net/dsa/hirschmann/hellcreek.c create mode 100644 drivers/net/dsa/hirschmann/hellcreek.h create mode 100644 drivers/net/dsa/hirschmann/hellcreek_hwtstamp.c create mode 100644 drivers/net/dsa/hirschmann/hellcreek_hwtstamp.h create mode 100644 drivers/net/dsa/hirschmann/hellcreek_ptp.c create mode 100644 drivers/net/dsa/hirschmann/hellcreek_ptp.h create mode 100644 include/linux/platform_data/hirschmann-hellcreek.h create mode 100644 net/dsa/tag_hellcreek.c Reviewed-by: Florian Fainelli