From patchwork Sun May 2 23:06:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Marangi X-Patchwork-Id: 430767 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham 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 50FD6C43462 for ; Sun, 2 May 2021 23:07:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3574961057 for ; Sun, 2 May 2021 23:07:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232599AbhEBXIV (ORCPT ); Sun, 2 May 2021 19:08:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46034 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232509AbhEBXIM (ORCPT ); Sun, 2 May 2021 19:08:12 -0400 Received: from mail-ed1-x535.google.com (mail-ed1-x535.google.com [IPv6:2a00:1450:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7C0E7C061756; Sun, 2 May 2021 16:07:20 -0700 (PDT) Received: by mail-ed1-x535.google.com with SMTP id u13so1573431edd.3; Sun, 02 May 2021 16:07:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=2NYuZaCqqvoH2mLVl7M64mOu6lWF/fLGnZuczjNcSRE=; b=JhRJzX8PX1neGFFHEgw+U/UQgggV/Xn++dnG/ylLQouUCQ516+z/U+LK5Wkpx42/4z XdyA3tRiIC5IeWvGtxXdEccH9M3JP8bRFqmOUNxKY7GPqyR4ZBQDu/uiabt32gpka+ol ouwKXwQHXdvfatTKS5DMKdNNtECv/cp1kyhmYILy77AqJ+fK+2OQYz+CSfFLIyuYdk1w XKyk4KOXIH6YJYT17FO4Nm8NaPm4WQWSl/XQgnQ7skwsSPHGbdHHpKHHb1mfFjYGMmE3 WeoDbPL3OvIAf0W6FCe+A7xAlAyz3mM8HhrZON55uge7RXl5OJPrRV4Ur5A3EEBFHMMr ViQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=2NYuZaCqqvoH2mLVl7M64mOu6lWF/fLGnZuczjNcSRE=; b=o/yyZGuzA811gZofiP8N1bt/RS0hSm298ePzn0JJ2iUDd7OlsfeHtsifbKHk9hG/Yt jklXR19BO7OGSbT9Tw8UMotn4PWi4kT6nHEE1zXkuBVwtCO/KelvyUmNZ9DKiniZmsSN KtKY5hsNWFMbDmwhmD+7Umwsbjcqlk5uSvwrVWFZ9T/3Aas5dxEmVIMqBTJNhS7Qj04v QITUUTX+dUivtyh/4qIc9+LVt2hBQUJ8YTx45BcDUWc8C+muNt9qKqNXWkR2/VEAsV20 y5M4zV89S3yqBNuqOOFc+BNA3PxFEYWtXfjBR8UFpmi+m//FfSxA1ndmu0cF0Vn7VgFl juRg== X-Gm-Message-State: AOAM530S6ykTDbhHDr3nHQxDnRlBO3leH3IwbvIDxIo85b25e6d/13gq WCn3chVTsXqnsGDVjQ8BJOM= X-Google-Smtp-Source: ABdhPJzEpS2NRe4jF69G9uEuFkF1JLWDR0H0xjghVnY9R47O4to2wl2qRoLw5g2p0YXMYqn98VsOmg== X-Received: by 2002:a05:6402:4251:: with SMTP id g17mr3715791edb.205.1619996839181; Sun, 02 May 2021 16:07:19 -0700 (PDT) Received: from Ansuel-xps.localdomain (93-35-189-2.ip56.fastwebnet.it. [93.35.189.2]) by smtp.googlemail.com with ESMTPSA id z17sm10003874ejc.69.2021.05.02.16.07.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 02 May 2021 16:07:18 -0700 (PDT) From: Ansuel Smith To: Florian Fainelli Cc: Ansuel Smith , Andrew Lunn , Vivien Didelot , Vladimir Oltean , "David S. Miller" , Jakub Kicinski , Russell King , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH net-next v2 05/17] net: dsa: qca8k: add support for qca8327 switch Date: Mon, 3 May 2021 01:06:57 +0200 Message-Id: <20210502230710.30676-5-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210502230710.30676-1-ansuelsmth@gmail.com> References: <20210502230710.30676-1-ansuelsmth@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org qca8327 switch is a low tier version of the more recent qca8337. It does share the same regs used by the qca8k driver and can be supported with minimal change. Signed-off-by: Ansuel Smith --- drivers/net/dsa/qca8k.c | 23 ++++++++++++++++++++--- drivers/net/dsa/qca8k.h | 6 ++++++ 2 files changed, 26 insertions(+), 3 deletions(-) diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c index 0678c213065f..acfe072e9430 100644 --- a/drivers/net/dsa/qca8k.c +++ b/drivers/net/dsa/qca8k.c @@ -1522,6 +1522,7 @@ static const struct dsa_switch_ops qca8k_switch_ops = { static int qca8k_sw_probe(struct mdio_device *mdiodev) { + const struct qca8k_match_data *data; struct qca8k_priv *priv; int ret; u32 id; @@ -1550,6 +1551,11 @@ qca8k_sw_probe(struct mdio_device *mdiodev) gpiod_set_value_cansleep(priv->reset_gpio, 0); } + /* get the switches ID from the compatible */ + data = of_device_get_match_data(&mdiodev->dev); + if (!data) + return -ENODEV; + /* read the switches ID register */ ret = qca8k_read(priv, QCA8K_REG_MASK_CTRL, &id); if (ret) @@ -1557,8 +1563,10 @@ qca8k_sw_probe(struct mdio_device *mdiodev) id >>= QCA8K_MASK_CTRL_ID_S; id &= QCA8K_MASK_CTRL_ID_M; - if (id != QCA8K_ID_QCA8337) + if (id != data->id) { + dev_err(&mdiodev->dev, "Switch id detected %x but expected %x", id, data->id); return -ENODEV; + } priv->ds = devm_kzalloc(&mdiodev->dev, sizeof(*priv->ds), GFP_KERNEL); if (!priv->ds) @@ -1623,9 +1631,18 @@ static int qca8k_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(qca8k_pm_ops, qca8k_suspend, qca8k_resume); +static const struct qca8k_match_data qca832x = { + .id = QCA8K_ID_QCA8327, +}; + +static const struct qca8k_match_data qca833x = { + .id = QCA8K_ID_QCA8337, +}; + static const struct of_device_id qca8k_of_match[] = { - { .compatible = "qca,qca8334" }, - { .compatible = "qca,qca8337" }, + { .compatible = "qca,qca8327", .data = &qca832x }, + { .compatible = "qca,qca8334", .data = &qca833x }, + { .compatible = "qca,qca8337", .data = &qca833x }, { /* sentinel */ }, }; diff --git a/drivers/net/dsa/qca8k.h b/drivers/net/dsa/qca8k.h index 7ca4b93e0bb5..86e8d479c9f9 100644 --- a/drivers/net/dsa/qca8k.h +++ b/drivers/net/dsa/qca8k.h @@ -15,6 +15,8 @@ #define QCA8K_NUM_PORTS 7 #define QCA8K_MAX_MTU 9000 +#define PHY_ID_QCA8327 0x004dd034 +#define QCA8K_ID_QCA8327 0x12 #define PHY_ID_QCA8337 0x004dd036 #define QCA8K_ID_QCA8337 0x13 @@ -211,6 +213,10 @@ struct ar8xxx_port_status { int enabled; }; +struct qca8k_match_data { + u8 id; +}; + struct qca8k_priv { struct regmap *regmap; struct mii_bus *bus;