From patchwork Sat Oct 29 14:16:20 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 13024686 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 E4DDBFA3744 for ; Sat, 29 Oct 2022 14:17:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229833AbiJ2ORU (ORCPT ); Sat, 29 Oct 2022 10:17:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38764 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229842AbiJ2OQ7 (ORCPT ); Sat, 29 Oct 2022 10:16:59 -0400 Received: from mail-pg1-x529.google.com (mail-pg1-x529.google.com [IPv6:2607:f8b0:4864:20::529]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 82AC25F127 for ; Sat, 29 Oct 2022 07:16:54 -0700 (PDT) Received: by mail-pg1-x529.google.com with SMTP id h2so7163670pgp.4 for ; Sat, 29 Oct 2022 07:16:54 -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=XUgElLMFDRghXwZQM2277E5lbjtRUO+bSagQ51THrn8=; b=hlFw3VNhdEjhNbDugmqQbdr3ZoY7/PJIRYJ8nuzsfu57VEImN/daGMaKM8P0zRqK+k TH147l5elpo6UQsdFsJlfVTHfg6MvBSIxlemEQ5pCvROO2UBndr6y7uB+MGJyXBKRrVv QaQbNmGV6fvDA5rleWbpG4b6xHYyGkbhT+Y03ZjwHiHhclIsYYW5Ojg63cMipi5C4lbo akr65YxRr6VFHJ0Z7w/7dGZgjuHLqfMJTR1UMQbTKr0twgel+bwFwaJ8r7Lk4zJDdRe6 F64HUqagS7yW2IC/2orTGobu+W9p6tBqjb6SxuIR/lcDJ+dxBRkP+YyBf8nh/d9RkmUl pXfg== 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=XUgElLMFDRghXwZQM2277E5lbjtRUO+bSagQ51THrn8=; b=0KVAGZ5PE0rWT1BCgcI6pZmmrW+habQUngJmieaVB3q+7QZzRjFbtYMCIm+UTVJPwC ck12qXnGaWE8OEHkak4Q5MyeCtnW12G/muYHQGuoYhbyWC/qTerIYG3ADkRw4it6EVU7 N3TM6nhnPJf5kSZn+ZlDqOWSZtcUAUAVTVgWhJOri/XTexYkLM3kPjNJe8Lm/nk78fX+ YKSA2dnCCzD9qf1txsQ26RZklDa1BVgzG1N+3tjdp0RmztDb2HTvaKSipEvj5t8ZElEL yukil8MnEVhJc+nYoEKf8TfUNcZxjzXQu6/p/UBi3sNPsj8pvuW23CvmSLD69a06jNQC IrNA== X-Gm-Message-State: ACrzQf2Wo7tJqcPC/Ej1ilEGgsiyanOWbLtSTkRK8b+M8JOf8TFqSGk1 7Cf65Y1bznKQC7A2LwGh0oQF X-Google-Smtp-Source: AMsMyM61nYHwbC8ugbPRGE7JQBjSBZbAW3B6wYn1EzUISYGwQKkwHK4PcK7DahB/9BSqNiuIHZH2pA== X-Received: by 2002:a63:9049:0:b0:46f:59b9:1645 with SMTP id a70-20020a639049000000b0046f59b91645mr4078692pge.541.1667053013986; Sat, 29 Oct 2022 07:16:53 -0700 (PDT) Received: from localhost.localdomain ([117.193.208.18]) by smtp.gmail.com with ESMTPSA id u4-20020a170902e5c400b001866049ddb1sm1370157plf.161.2022.10.29.07.16.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 29 Oct 2022 07:16:53 -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, Manivannan Sadhasivam Subject: [PATCH 02/15] phy: qcom-qmp-ufs: Add support for configuring PHY in HS Series B mode Date: Sat, 29 Oct 2022 19:46:20 +0530 Message-Id: <20221029141633.295650-3-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221029141633.295650-1-manivannan.sadhasivam@linaro.org> References: <20221029141633.295650-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@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. Signed-off-by: Manivannan Sadhasivam Reviewed-by: Dmitry Baryshkov --- 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, };