From patchwork Mon Nov 14 11:06:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 13042093 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 23FA9C3A5A7 for ; Mon, 14 Nov 2022 11:07:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=zB0IEDAXKODhn/wkgIl08H9Z39g+mVnX0U5xx0rgzF4=; b=MrodEsq2xDD9L9 U1mxvOARqaRtL+KLARI6Jx6zkZPD3YdiVa6oiE9SeHUj7ERdWDHHa1J+T0wVHGHow9xssBnB0tu6W 0DuCjXV/welzbSRh/DJP7/FD2s4LryNpjXfv7dDwQ2ZTMDq0N4DoCppfu5iLTAkF4cLUAMcUwg/zM jvcjE+H5yOjNhryOiYn+TyoMBUSrxIq8Yn8ZlgM9mFjNNxd28kdbueAtPWvHYjJpB6RrM1CS7BV3C hf64aUMUTX2rc5eE9tOLrVNfzWOy5sm2s71UvD8aRmaXUeIbd93WrYZaplpizfKEcgJDj6vq2wnwe 9Z5/PYNRZlFgfPTqlhPA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ouXJT-000D70-8z; Mon, 14 Nov 2022 11:07:39 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ouXJ8-000Cqf-QD for linux-phy@lists.infradead.org; Mon, 14 Nov 2022 11:07:24 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 7018F6102A; Mon, 14 Nov 2022 11:07:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4F494C4FF08; Mon, 14 Nov 2022 11:07:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1668424034; bh=jhtHjMkGRNFv0HJnu2HoO5cINqCvlJtY6fSx3SmTivs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GouxSM7mL8jgDptvwwhGGAtitxLAFRESUX4PjeZa8NDdWBLkoY9HiJ25wkcPMfUQn EgM8fK/O1hEeS6RaMHuk7ZIWVkgBXD6VJJTQMn6f2P60kC9l7QEewjK00aIqYy19QG jcPbgjXa6X37oLPFJxdKoKcXC09IU+JvZwdSw3aTdxB9v8cW1yKREBGz4Npn9z1Kax qmNLxCpSXonjHO2ykwgiYccvSFB0c4r3wEYILkiCgVYM1O+nU/CvNZA33G9h4700S6 7233W0mGlSN9FlHFNSn4sgVnK6RiqmfsddVL2fd7MeipH5Uwn+2WmYiY0TKe2cuA2Y 86M8vYmBH4DPA== Received: from johan by xi.lan with local (Exim 4.94.2) (envelope-from ) id 1ouXIY-0001Ew-PL; Mon, 14 Nov 2022 12:06:42 +0100 From: Johan Hovold To: Vinod Koul Cc: Andy Gross , Bjorn Andersson , Konrad Dybcio , Dmitry Baryshkov , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, Johan Hovold Subject: [PATCH v2 12/22] phy: qcom-qmp-combo: separate USB and DP devicetree parsing Date: Mon, 14 Nov 2022 12:06:11 +0100 Message-Id: <20221114110621.4639-13-johan+linaro@kernel.org> X-Mailer: git-send-email 2.37.4 In-Reply-To: <20221114110621.4639-1-johan+linaro@kernel.org> References: <20221114110621.4639-1-johan+linaro@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221114_030719_007769_7F8D91F1 X-CRM114-Status: GOOD ( 19.01 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Separate the devicetree parsing of the USB and DP child nodes in two dedicated helpers in preparation for merging the driver data. Note that only the USB part of the PHY has a pipe clock and that the DP implementation only uses the tx/tx2 and pcs register regions. Reviewed-by: Dmitry Baryshkov Signed-off-by: Johan Hovold --- drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 82 ++++++++++++++++------- 1 file changed, 58 insertions(+), 24 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c index c059e4aeecdb..9c4528dff316 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c @@ -2576,13 +2576,12 @@ static int phy_dp_clks_register(struct qcom_qmp *qmp, struct qmp_phy *qphy, return devm_add_action_or_reset(qmp->dev, phy_clk_release_provider, np); } -static int qmp_combo_create(struct device *dev, struct device_node *np, int id, +static int qmp_combo_create_dp(struct device *dev, struct device_node *np, int id, void __iomem *serdes, const struct qmp_phy_cfg *cfg) { struct qcom_qmp *qmp = dev_get_drvdata(dev); struct phy *generic_phy; struct qmp_phy *qphy; - const struct phy_ops *ops; int ret; qphy = devm_kzalloc(dev, sizeof(*qphy), GFP_KERNEL); @@ -2592,7 +2591,57 @@ static int qmp_combo_create(struct device *dev, struct device_node *np, int id, qphy->cfg = cfg; qphy->serdes = serdes; /* - * Get memory resources for each PHY: + * Get memory resources from the DP child node: + * Resources are indexed as: tx -> 0; rx -> 1; pcs -> 2. + * For dual lane PHYs: tx2 -> 3, rx2 -> 4 + * + * Note that only tx/tx2 and pcs are used by the DP implementation. + */ + qphy->tx = devm_of_iomap(dev, np, 0, NULL); + if (IS_ERR(qphy->tx)) + return PTR_ERR(qphy->tx); + + qphy->pcs = devm_of_iomap(dev, np, 2, NULL); + if (IS_ERR(qphy->pcs)) + return PTR_ERR(qphy->pcs); + + if (cfg->lanes >= 2) { + qphy->tx2 = devm_of_iomap(dev, np, 3, NULL); + if (IS_ERR(qphy->tx2)) + return PTR_ERR(qphy->tx2); + } + + generic_phy = devm_phy_create(dev, np, &qmp_combo_dp_phy_ops); + if (IS_ERR(generic_phy)) { + ret = PTR_ERR(generic_phy); + dev_err(dev, "failed to create DP PHY: %d\n", ret); + return ret; + } + + qphy->phy = generic_phy; + qphy->qmp = qmp; + qmp->phys[id] = qphy; + phy_set_drvdata(generic_phy, qphy); + + return 0; +} + +static int qmp_combo_create_usb(struct device *dev, struct device_node *np, int id, + void __iomem *serdes, const struct qmp_phy_cfg *cfg) +{ + struct qcom_qmp *qmp = dev_get_drvdata(dev); + struct phy *generic_phy; + struct qmp_phy *qphy; + int ret; + + qphy = devm_kzalloc(dev, sizeof(*qphy), GFP_KERNEL); + if (!qphy) + return -ENOMEM; + + qphy->cfg = cfg; + qphy->serdes = serdes; + /* + * Get memory resources from the USB child node: * Resources are indexed as: tx -> 0; rx -> 1; pcs -> 2. * For dual lane PHYs: tx2 -> 3, rx2 -> 4, pcs_misc (optional) -> 5 * For single lane PHYs: pcs_misc (optional) -> 3. @@ -2631,31 +2680,16 @@ static int qmp_combo_create(struct device *dev, struct device_node *np, int id, qphy->pcs_misc = NULL; } - /* - * Get PHY's Pipe clock, if any. USB3 and PCIe are PIPE3 - * based phys, so they essentially have pipe clock. So, - * we return error in case phy is USB3 or PIPE type. - * Otherwise, we initialize pipe clock to NULL for - * all phys that don't need this. - */ qphy->pipe_clk = devm_get_clk_from_child(dev, np, NULL); if (IS_ERR(qphy->pipe_clk)) { - if (cfg->type == PHY_TYPE_USB3) - return dev_err_probe(dev, PTR_ERR(qphy->pipe_clk), - "failed to get lane%d pipe_clk\n", - id); - qphy->pipe_clk = NULL; + return dev_err_probe(dev, PTR_ERR(qphy->pipe_clk), + "failed to get lane%d pipe_clk\n", id); } - if (cfg->type == PHY_TYPE_DP) - ops = &qmp_combo_dp_phy_ops; - else - ops = &qmp_combo_usb_phy_ops; - - generic_phy = devm_phy_create(dev, np, ops); + generic_phy = devm_phy_create(dev, np, &qmp_combo_usb_phy_ops); if (IS_ERR(generic_phy)) { ret = PTR_ERR(generic_phy); - dev_err(dev, "failed to create qphy %d\n", ret); + dev_err(dev, "failed to create USB PHY: %d\n", ret); return ret; } @@ -2752,7 +2786,7 @@ static int qmp_combo_probe(struct platform_device *pdev) serdes = dp_serdes; /* Create per-lane phy */ - ret = qmp_combo_create(dev, child, id, serdes, cfg); + ret = qmp_combo_create_dp(dev, child, id, serdes, cfg); if (ret) { dev_err(dev, "failed to create lane%d phy, %d\n", id, ret); @@ -2770,7 +2804,7 @@ static int qmp_combo_probe(struct platform_device *pdev) serdes = usb_serdes; /* Create per-lane phy */ - ret = qmp_combo_create(dev, child, id, serdes, cfg); + ret = qmp_combo_create_usb(dev, child, id, serdes, cfg); if (ret) { dev_err(dev, "failed to create lane%d phy, %d\n", id, ret);