From patchwork Mon Mar 9 08:36:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jose Abreu X-Patchwork-Id: 1251325 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=synopsys.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=synopsys.com header.i=@synopsys.com header.a=rsa-sha256 header.s=mail header.b=ZcicXufR; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48bWmt2RXzz9sPK for ; Mon, 9 Mar 2020 19:37:18 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726742AbgCIIhQ (ORCPT ); Mon, 9 Mar 2020 04:37:16 -0400 Received: from smtprelay-out1.synopsys.com ([149.117.87.133]:42420 "EHLO smtprelay-out1.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726215AbgCIIgp (ORCPT ); Mon, 9 Mar 2020 04:36:45 -0400 Received: from mailhost.synopsys.com (mdc-mailhost2.synopsys.com [10.225.0.210]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id F11C2C04C0; Mon, 9 Mar 2020 08:36:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1583743004; bh=nNW7ATs8+GuGeb3XY+MZ9vqqRxlVeew7FQjk122/a3E=; h=From:To:Cc:Subject:Date:From; b=ZcicXufR4XTCBX1R49tN9rvomFqt9gJOHipcnE6Ebh37+J79vyF5cZX7VHlzDm7Hl tuuHmZbca9mllw360dlR2UgwNMtNVuSDfKJI8TUgzUNveltSy3Az250ONW4p1SWVCo V3qWxpYjhlG8PL5YVdsa+AWYQcQ7rf4Cj9jGsElUJPvdh2IlVs4IoGUyrbaUslnxPe Fy+Ee6fPi+hvm/35w5hKcq2lYY8mmwAS5FUxk3SgTPtgPPj7wXDcq9ffkDlsFUVTc6 X3c4jVSzPL1TdQjjYUrjPapoIxH+A/9ZR6a6dRCA9+5stxGSuOTYDZmeQ5wG5WNIp/ eax4z/zWeagug== Received: from de02dwia024.internal.synopsys.com (de02dwia024.internal.synopsys.com [10.225.19.81]) by mailhost.synopsys.com (Postfix) with ESMTP id C741CA005C; Mon, 9 Mar 2020 08:36:38 +0000 (UTC) From: Jose Abreu To: netdev@vger.kernel.org Cc: Joao Pinto , Jose Abreu , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Jakub Kicinski , Maxime Coquelin , Russell King , Andrew Lunn , Florian Fainelli , Heiner Kallweit , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next 0/8] net: Add support for Synopsys DesignWare XPCS Date: Mon, 9 Mar 2020 09:36:19 +0100 Message-Id: X-Mailer: git-send-email 2.7.4 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This adds support for Synopsys DesignWare XPCS in net subsystem and integrates it into stmmac. At 1/8, we start by removing the limitation of stmmac selftests that needed a PHY to pass all the tests. Then at 2/8 we use some helpers in stmmac so that some code can be simplified. At 3/8, we fallback to dev_fwnode() so that PCI based setups wich may not have CONFIG_OF can still use FW node. At 4/8, we adapt stmmac to the new PHYLINK changes as suggested by Russell King. We proceed by doing changes in PHYLINK in order to support XPCS: At 5/8 we add some missing speeds that USXGMII supports and at 6/8 we check if Autoneg is supported after initial parameters are validated. Support for XPCS is finally introduced at 7/8, along with the usage of it in stmmac driver at 8/8. --- Cc: Giuseppe Cavallaro Cc: Alexandre Torgue Cc: Jose Abreu Cc: "David S. Miller" Cc: Jakub Kicinski Cc: Maxime Coquelin Cc: Russell King Cc: Andrew Lunn Cc: Florian Fainelli Cc: Heiner Kallweit Cc: netdev@vger.kernel.org Cc: linux-stm32@st-md-mailman.stormreply.com Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- Jose Abreu (8): net: stmmac: selftests: Do not fail if PHY is not attached net: stmmac: Switch to linkmode_and()/linkmode_andnot() net: stmmac: Fallback to dev_fwnode() if needed net: stmmac: Use resolved link config in mac_link_up() net: phylink: Add missing Backplane speeds net: phylink: Test if MAC/PCS support Autoneg net: phy: Add Synopsys DesignWare XPCS MDIO module net: stmmac: Integrate it with DesignWare XPCS MAINTAINERS | 7 + drivers/net/ethernet/stmicro/stmmac/Kconfig | 1 + drivers/net/ethernet/stmicro/stmmac/common.h | 3 + drivers/net/ethernet/stmicro/stmmac/hwif.h | 12 + drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 96 ++-- drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 27 + .../net/ethernet/stmicro/stmmac/stmmac_selftests.c | 2 +- drivers/net/phy/Kconfig | 6 + drivers/net/phy/Makefile | 1 + drivers/net/phy/mdio-xpcs.c | 612 +++++++++++++++++++++ drivers/net/phy/phylink.c | 5 + include/linux/mdio-xpcs.h | 41 ++ include/linux/stmmac.h | 1 + 13 files changed, 771 insertions(+), 43 deletions(-) create mode 100644 drivers/net/phy/mdio-xpcs.c create mode 100644 include/linux/mdio-xpcs.h