From patchwork Mon Jun 12 09:23:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 13275939 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 DB0A3C7EE23 for ; Mon, 12 Jun 2023 09:32:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229541AbjFLJcD (ORCPT ); Mon, 12 Jun 2023 05:32:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49244 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233236AbjFLJaV (ORCPT ); Mon, 12 Jun 2023 05:30:21 -0400 Received: from mail-wm1-x335.google.com (mail-wm1-x335.google.com [IPv6:2a00:1450:4864:20::335]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3A71D4EC1 for ; Mon, 12 Jun 2023 02:24:51 -0700 (PDT) Received: by mail-wm1-x335.google.com with SMTP id 5b1f17b1804b1-3f735259fa0so41435885e9.1 for ; Mon, 12 Jun 2023 02:24:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20221208.gappssmtp.com; s=20221208; t=1686561889; x=1689153889; 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=WtiGUP9ra+nN5+GqOB+XAIPugwOoW0PwoEeYaWXDQls=; b=ewW4ilPWNv7194ancCa8h4Y2nB9YHWmOOTZiAPChRO1LOfZRRdXY/Q3X6OjGm5QyED tzZCF5qaleZ00eF4KQLSjPLPk0TNPsnKTOsx1fxBzPooOeCLgmEZO5nQjr7l6tFLgkGG 1LOt8o7G8ubTSO0VPXoauA3uLBTwM2nytfqbwwophk78EeKKzwtErTWeIxU2wLFl7y2j KwWADOmvCOeU5Rm1K6AjUUnsQsZ/qLncaNkUlaE3uC/dgn61R0oY2Htjc0phFZVhW6va P1mlE2HiQxyKUAfTNmtu+HrwE7ov3+pP2vTpYOFzD2ppmg7FNeZ+c8ipUBfuQsficczr 85+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686561889; x=1689153889; 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=WtiGUP9ra+nN5+GqOB+XAIPugwOoW0PwoEeYaWXDQls=; b=krVw6MQ02I5E1ezFwsEdUENm/n40HnSPhuZMmoUxenqgaBy5ZtzD/vZm1OYmim8X3A GKaESBBiVaKxivUa3OZGKaN0N4Y/Hc0hkgdbJy18lYXVJ5WVc8ZHMffsZ9Yajfs/u4wf R+11SScky2zfpiv/XwgiAwYysCh/WqLJCQgYLXFBqOU2jamedYmORDRfwYHorAYpUDWW ftQyE63i2O+5tVBSddwEr2pUWLGGjCsC5Qx6ta4aIDO0fiLn4LxxNTRxYe4Vz17Uz8r6 DOnH6TGFk45G2jc04YSFMCR9jno5d0g9rwB+s5/WFc3xADMurenWZXHwZRgPvMk7uZlw G1YA== X-Gm-Message-State: AC+VfDwwY4iGDD/a9S3dO2YYqeZAHbC6Xgrh6R0qzXVUN4pXgrlJ5FTl mdr6ryGjyVr1ag0RYPB8oKVI8w== X-Google-Smtp-Source: ACHHUZ7G+zYHl342266e7renMY1/jG2Z7MG3iQRcKeI8tKXg+RpONFzFBLeozTMO3uKFJ5OCB8zY3Q== X-Received: by 2002:a05:600c:2204:b0:3f7:35a9:dfdf with SMTP id z4-20020a05600c220400b003f735a9dfdfmr6517067wml.24.1686561889654; Mon, 12 Jun 2023 02:24:49 -0700 (PDT) Received: from brgl-uxlite.home ([2a01:cb1d:334:ac00:a222:bbe9:c688:33ae]) by smtp.gmail.com with ESMTPSA id p14-20020a7bcc8e000000b003f727764b10sm10892044wma.4.2023.06.12.02.24.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Jun 2023 02:24:48 -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 , Kishon Vijay Abraham I , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu Cc: netdev@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, Bartosz Golaszewski Subject: [PATCH 16/26] net: stmmac: dwmac-qcom-ethqos: prepare the driver for more PHY modes Date: Mon, 12 Jun 2023 11:23:45 +0200 Message-Id: <20230612092355.87937-17-brgl@bgdev.pl> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230612092355.87937-1-brgl@bgdev.pl> References: <20230612092355.87937-1-brgl@bgdev.pl> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Bartosz Golaszewski In preparation for supporting SGMII, let's make the code a bit more generic. Add a new callback for MAC configuration so that we can assign a different variant of it in the future. Signed-off-by: Bartosz Golaszewski Reviewed-by: Andrew Halaney --- .../stmicro/stmmac/dwmac-qcom-ethqos.c | 31 ++++++++++++++++--- 1 file changed, 26 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c index 21f329d2f7eb..2f96f2c11278 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c @@ -92,12 +92,14 @@ struct ethqos_emac_driver_data { struct qcom_ethqos { struct platform_device *pdev; void __iomem *rgmii_base; + int (*configure_func)(struct qcom_ethqos *ethqos); unsigned int rgmii_clk_rate; struct clk *rgmii_clk; struct clk *phyaux_clk; struct phy *serdes_phy; unsigned int speed; + int phy_mode; const struct ethqos_emac_por *por; unsigned int num_por; @@ -332,13 +334,11 @@ static int ethqos_rgmii_macro_init(struct qcom_ethqos *ethqos) { struct device *dev = ðqos->pdev->dev; int phase_shift; - int phy_mode; int loopback; /* Determine if the PHY adds a 2 ns TX delay or the MAC handles it */ - phy_mode = device_get_phy_mode(dev); - if (phy_mode == PHY_INTERFACE_MODE_RGMII_ID || - phy_mode == PHY_INTERFACE_MODE_RGMII_TXID) + if (ethqos->phy_mode == PHY_INTERFACE_MODE_RGMII_ID || + ethqos->phy_mode == PHY_INTERFACE_MODE_RGMII_TXID) phase_shift = 0; else phase_shift = RGMII_CONFIG2_TX_CLK_PHASE_SHIFT_EN; @@ -485,7 +485,7 @@ static int ethqos_rgmii_macro_init(struct qcom_ethqos *ethqos) return 0; } -static int ethqos_configure(struct qcom_ethqos *ethqos) +static int ethqos_configure_rgmii(struct qcom_ethqos *ethqos) { struct device *dev = ðqos->pdev->dev; volatile unsigned int dll_lock; @@ -561,6 +561,11 @@ static int ethqos_configure(struct qcom_ethqos *ethqos) return 0; } +static int ethqos_configure(struct qcom_ethqos *ethqos) +{ + return ethqos->configure_func(ethqos); +} + static void ethqos_fix_mac_speed(void *priv, unsigned int speed) { struct qcom_ethqos *ethqos = priv; @@ -660,6 +665,22 @@ static int qcom_ethqos_probe(struct platform_device *pdev) goto out_config_dt; } + ethqos->phy_mode = device_get_phy_mode(dev); + switch (ethqos->phy_mode) { + case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII_RXID: + case PHY_INTERFACE_MODE_RGMII_TXID: + ethqos->configure_func = ethqos_configure_rgmii; + break; + case -ENODEV: + ret = -ENODEV; + goto out_config_dt; + default: + ret = -EINVAL; + goto out_config_dt; + } + ethqos->pdev = pdev; ethqos->rgmii_base = devm_platform_ioremap_resource_byname(pdev, "rgmii"); if (IS_ERR(ethqos->rgmii_base)) {