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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6E9EEEB64D9 for ; Mon, 19 Jun 2023 09:25:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231419AbjFSJZT (ORCPT ); Mon, 19 Jun 2023 05:25:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49794 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231393AbjFSJYY (ORCPT ); Mon, 19 Jun 2023 05:24:24 -0400 Received: from mail-wm1-x32a.google.com (mail-wm1-x32a.google.com [IPv6:2a00:1450:4864:20::32a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 25FCD1A4 for ; Mon, 19 Jun 2023 02:24:23 -0700 (PDT) Received: by mail-wm1-x32a.google.com with SMTP id 5b1f17b1804b1-3f9b258f3a2so5184275e9.0 for ; Mon, 19 Jun 2023 02:24:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20221208.gappssmtp.com; s=20221208; t=1687166661; x=1689758661; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=4LJNYlud7nrLWcLjYZWRISbOkEhmJfj+HftG3WBZPio=; b=2YWmvGNdY7ru1EdR1H+tJupPph00OxidGvPR+8zGqIzhb6ZwLiheQRuCTZGv3/7mM9 yqeQTqxwpq9+25SGL54iVb2Uyq6F2aRzLsRB4SDOI995SICNij6NzKILZR56dNLRmb7B BwCETmHOkph/PtUHZPXspkfeXb8aS1TgsRK1Z6AYXzGOHAR9miXnGOWFHfevL03Th3qu Ojk8CdC1XLiBd2Vtw/5qdpc59mEE7NC2QcLoaap8lM3jyQXSBcnS5O7RYB/HtLMmGalK vT72R+clvy786hV3uqZlkALdNFUQP4lW45oDGD5vDMC67Ub+aAYzfXAhzKpFQEQwK0WG 0KnQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687166661; x=1689758661; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=4LJNYlud7nrLWcLjYZWRISbOkEhmJfj+HftG3WBZPio=; b=jA4dzxa0W30weJHzzYq/zYwYFj1hd3yBEjZwO2e7KxYUQPKVR5GqVMQbivJWisHxpQ 72Ki2/tcPATMzR7mJ0V9r13zHvpM3tM30d9Er39AO8SF66G/rS4eKfF69eZCpPu4N/iq BhbYAPzu5uow16RO+Pi95F0HqfSOqj8ysoRnMJZt3IGivIIfKz4GrDPKp9X6t4i3/IxQ wCfFMmxQ33PWgfiCm0lbnjaOcUUl7Petqe/hh+Ki/sxNkVpY/XQhKVluL9W74MEE6eyj imYmymtJo5sCeUT7HqyQNM40lPWLJP3Dd8O4CQzfK/vMglhvHTZkKeL2BRfIZyA7MafX kGNQ== X-Gm-Message-State: AC+VfDyKlFFvcLeqiiml3YeEPzTVQjyVfAqtdAdbgRWQLAmuZ0WPTXmL WLlFeDH3LBZ/gvwxb58lDGtOMg== X-Google-Smtp-Source: ACHHUZ72UV4Ac/uWZjGcoOozYdQtjCYg5zJ4Jm8xHVhmuQ7f9B9muVAN5ZMB2o/BigOBoxF3JIRpbg== X-Received: by 2002:a05:600c:220b:b0:3f9:b10a:b310 with SMTP id z11-20020a05600c220b00b003f9b10ab310mr2287957wml.26.1687166661642; Mon, 19 Jun 2023 02:24:21 -0700 (PDT) Received: from brgl-uxlite.home ([2a01:cb1d:334:ac00:d9e8:ddbf:7391:a0b0]) by smtp.gmail.com with ESMTPSA id q9-20020a7bce89000000b003f7cb42fa20sm10045229wmj.42.2023.06.19.02.24.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Jun 2023 02:24:21 -0700 (PDT) From: Bartosz Golaszewski To: Vinod Koul , Bhupesh Sharma , Andy Gross , Bjorn Andersson , Konrad Dybcio , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Andrew Halaney Cc: netdev@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, Bartosz Golaszewski Subject: [RESEND PATCH v2 08/14] net: stmmac: dwmac-qcom-ethqos: add support for the optional serdes phy Date: Mon, 19 Jun 2023 11:23:56 +0200 Message-Id: <20230619092402.195578-9-brgl@bgdev.pl> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230619092402.195578-1-brgl@bgdev.pl> References: <20230619092402.195578-1-brgl@bgdev.pl> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Bartosz Golaszewski On sa8775p platforms, there's a SGMII SerDes PHY between the MAC and external PHY that we need to enable and configure. Signed-off-by: Bartosz Golaszewski --- .../stmicro/stmmac/dwmac-qcom-ethqos.c | 37 +++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c index ec3bbd199501..042733b5e80b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c @@ -6,6 +6,7 @@ #include #include #include +#include #include #include "stmmac.h" @@ -93,6 +94,7 @@ struct qcom_ethqos { unsigned int rgmii_clk_rate; struct clk *rgmii_clk; + struct phy *serdes_phy; unsigned int speed; const struct ethqos_emac_por *por; @@ -565,6 +567,30 @@ static void ethqos_fix_mac_speed(void *priv, unsigned int speed) ethqos_configure(ethqos); } +static int qcom_ethqos_serdes_powerup(struct net_device *ndev, void *priv) +{ + struct qcom_ethqos *ethqos = priv; + int ret; + + ret = phy_init(ethqos->serdes_phy); + if (ret) + return ret; + + ret = phy_power_on(ethqos->serdes_phy); + if (ret) + return ret; + + return phy_set_speed(ethqos->serdes_phy, ethqos->speed); +} + +static void qcom_ethqos_serdes_powerdown(struct net_device *ndev, void *priv) +{ + struct qcom_ethqos *ethqos = priv; + + phy_power_off(ethqos->serdes_phy); + phy_exit(ethqos->serdes_phy); +} + static int ethqos_clks_config(void *priv, bool enabled) { struct qcom_ethqos *ethqos = priv; @@ -650,6 +676,12 @@ static int qcom_ethqos_probe(struct platform_device *pdev) if (ret) goto out_config_dt; + ethqos->serdes_phy = devm_phy_optional_get(dev, "serdes"); + if (IS_ERR(ethqos->serdes_phy)) { + ret = PTR_ERR(ethqos->serdes_phy); + goto out_config_dt; + } + ethqos->speed = SPEED_1000; ethqos_update_rgmii_clk(ethqos, SPEED_1000); ethqos_set_func_clk_en(ethqos); @@ -665,6 +697,11 @@ static int qcom_ethqos_probe(struct platform_device *pdev) if (of_device_is_compatible(np, "qcom,qcs404-ethqos")) plat_dat->rx_clk_runs_in_lpi = 1; + if (ethqos->serdes_phy) { + plat_dat->serdes_powerup = qcom_ethqos_serdes_powerup; + plat_dat->serdes_powerdown = qcom_ethqos_serdes_powerdown; + } + ret = stmmac_dvr_probe(dev, plat_dat, &stmmac_res); if (ret) goto out_config_dt; -- 2.39.2