From patchwork Mon Oct 31 18:02:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 13026223 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 4979DFA3743 for ; Mon, 31 Oct 2022 18:03:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229988AbiJaSDB (ORCPT ); Mon, 31 Oct 2022 14:03:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41572 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229893AbiJaSCv (ORCPT ); Mon, 31 Oct 2022 14:02:51 -0400 Received: from mail-pl1-x62c.google.com (mail-pl1-x62c.google.com [IPv6:2607:f8b0:4864:20::62c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DE4B913D73 for ; Mon, 31 Oct 2022 11:02:50 -0700 (PDT) Received: by mail-pl1-x62c.google.com with SMTP id d24so11441807pls.4 for ; Mon, 31 Oct 2022 11:02:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=JhOaUl9F/HsZmg2/HeXQifMc3FhrE3vEJ6lXoXELXXM=; b=MNbG+bAinnYs9+4/IBl6ndbLalqDQMyy4xFZtzZXTueMsg0rPrmsnbpUtj4lUJA7Go 4z+7Q85NuJ2KkN2JUfWtAwNKRG8IChg4HMIq/HeuJPezH5TwakwmkbLGlBkNK2QsIU8e dFoTOJ9HgsRuL0j9vo9AcVmaQAGOj4MbfU+TJIhh8WS1H983ZCVIHvk3rzv4L6x79PHA DQm97JnN+g+YNr+1yFA17B/u9u84Ne0blasrnWRL/l57KrECSbI3S62ozBhL2v+2djqZ ohnUxAB0REzf+ZRXCs8vJXmyrx6qTCmGMSclX3wgidmJ+/SlMwkCeGhHHIWV27o/H7w7 J6Lw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=JhOaUl9F/HsZmg2/HeXQifMc3FhrE3vEJ6lXoXELXXM=; b=1myyh/ayHczszYCJstEK3TsHN/CUBJfVqX06WvrMa7bK1bq/r11YRXJwqT1K09H+VU PKjasyrFoRUPLmyocPJAhoOLhODBMXl3rsusryg74i5QCSYs5X6ntW8MLO7CWmu23OCK Vf2629YvrG7KMKfhJbMpiq1H5TrsAp4WNEsWzjWxRxNMWwRBe3pbj/+xogLLsf+exQkz AGCz0QCZF5vIjY5RA9vM/XU02l1+qq5XGOkiAXXFCzZf6y6TNvL98SZvvFgmIcmYf6Ek KgejgzZi6RGBCZ6q10XjCyoxaS9V81OJXEsyy/L4fUAExQ7Q4iQmNW0fRD+/SUScXIjm E1VQ== X-Gm-Message-State: ACrzQf1kVf7C1IJ60ZD9oD3jHcypFdDO8LEMSjh0g+vhYpO5D8jXDclB NiTkc+TVzep2o9P+XOv7He5O X-Google-Smtp-Source: AMsMyM7puVGfFdPsAIycm2nf5Bn6We9BuL6hxuAuM6QV5Pk6jrkLpY6K2cwvfABjtn50Ck1a6v0Leg== X-Received: by 2002:a17:902:6bc8:b0:179:fef9:b2fa with SMTP id m8-20020a1709026bc800b00179fef9b2famr15640210plt.96.1667239370349; Mon, 31 Oct 2022 11:02:50 -0700 (PDT) Received: from localhost.localdomain ([117.193.209.221]) by smtp.gmail.com with ESMTPSA id q14-20020a170902a3ce00b00186c6d2e7e3sm4742224plb.26.2022.10.31.11.02.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 Oct 2022 11:02:49 -0700 (PDT) From: Manivannan Sadhasivam To: martin.petersen@oracle.com, jejb@linux.ibm.com, andersson@kernel.org, vkoul@kernel.org, krzysztof.kozlowski+dt@linaro.org Cc: konrad.dybcio@somainline.org, robh+dt@kernel.org, quic_cang@quicinc.com, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-scsi@vger.kernel.org, dmitry.baryshkov@linaro.org, ahalaney@redhat.com, Manivannan Sadhasivam Subject: [PATCH v2 02/15] phy: qcom-qmp-ufs: Add support for configuring PHY in HS Series B mode Date: Mon, 31 Oct 2022 23:32:04 +0530 Message-Id: <20221031180217.32512-3-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221031180217.32512-1-manivannan.sadhasivam@linaro.org> References: <20221031180217.32512-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add separate tables_hs_b instance to allow the PHY driver to configure the PHY in HS Series B mode. The individual SoC configs need to supply the serdes register setting in tables_hs_b and the UFS driver can request the Series B mode by calling phy_set_mode() with mode set to PHY_MODE_UFS_HS_B. Reviewed-by: Dmitry Baryshkov Signed-off-by: Manivannan Sadhasivam --- drivers/phy/qualcomm/phy-qcom-qmp-ufs.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c index cdfda4e6d575..4c6a2b5afc9a 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c @@ -20,6 +20,8 @@ #include #include +#include + #include #include "phy-qcom-qmp.h" @@ -549,6 +551,8 @@ struct qmp_phy_cfg { /* Main init sequence for PHY blocks - serdes, tx, rx, pcs */ const struct qmp_phy_cfg_tables tables; + /* Additional sequence for HS Series B */ + const struct qmp_phy_cfg_tables tables_hs_b; /* clock ids to be requested */ const char * const *clk_list; @@ -582,6 +586,7 @@ struct qmp_phy_cfg { * @rx2: iomapped memory space for second lane's rx (in dual lane PHYs) * @pcs_misc: iomapped memory space for lane's pcs_misc * @qmp: QMP phy to which this lane belongs + * @mode: PHY mode configured by the UFS driver */ struct qmp_phy { struct phy *phy; @@ -594,6 +599,7 @@ struct qmp_phy { void __iomem *rx2; void __iomem *pcs_misc; struct qcom_qmp *qmp; + u32 mode; }; /** @@ -983,6 +989,8 @@ static int qmp_ufs_power_on(struct phy *phy) int ret; qmp_ufs_serdes_init(qphy, &cfg->tables); + if (qphy->mode == PHY_MODE_UFS_HS_B) + qmp_ufs_serdes_init(qphy, &cfg->tables_hs_b); qmp_ufs_lanes_init(qphy, &cfg->tables); @@ -1070,6 +1078,15 @@ static int qmp_ufs_disable(struct phy *phy) return qmp_ufs_exit(phy); } +static int qmp_ufs_set_mode(struct phy *phy, enum phy_mode mode, int submode) +{ + struct qmp_phy *qphy = phy_get_drvdata(phy); + + qphy->mode = mode; + + return 0; +} + static int qmp_ufs_vreg_init(struct device *dev, const struct qmp_phy_cfg *cfg) { struct qcom_qmp *qmp = dev_get_drvdata(dev); @@ -1105,6 +1122,7 @@ static int qmp_ufs_clk_init(struct device *dev, const struct qmp_phy_cfg *cfg) static const struct phy_ops qcom_qmp_ufs_ops = { .power_on = qmp_ufs_enable, .power_off = qmp_ufs_disable, + .set_mode = qmp_ufs_set_mode, .owner = THIS_MODULE, };