From patchwork Thu Dec 1 17:43:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 13061666 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 39BFFC47088 for ; Thu, 1 Dec 2022 17:44:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229571AbiLARoc (ORCPT ); Thu, 1 Dec 2022 12:44:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33334 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230251AbiLARoS (ORCPT ); Thu, 1 Dec 2022 12:44:18 -0500 Received: from mail-pg1-x536.google.com (mail-pg1-x536.google.com [IPv6:2607:f8b0:4864:20::536]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B30D3B71E8 for ; Thu, 1 Dec 2022 09:44:09 -0800 (PST) Received: by mail-pg1-x536.google.com with SMTP id 82so2321399pgc.0 for ; Thu, 01 Dec 2022 09:44:09 -0800 (PST) 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=9mbDirqLKXr/5FgIX54AJCxh8nLq142NlZCiPSIMpPM=; b=sni+VE39ph4Wmu0pSL4SAxtRsH0USVCJEeh0Ru52p3PFG6T8aN2b62f8x+Jr3HDW8Z Rm7k+dqCqcvwqG8aN3CcVm7W8EjC3sLjebFHJWv4hMdDy/rqncSvSKCf8YolNNIC3oBu 4QPGEUjE4DyX3DKjfY5J4JaiD0wXub7mvBy1zlZ+x3Vvbow3lNGzbC+qxGJuvSWim41W Om84NnbGTEop+u7Is8zBg8KDji2uhDdiyPJ5yWgHtOacWRt+q/GLvTm0ddA2gs688Bm5 20dfDRKUvHN/AF3qq8atg9JOX73GN1l6GaVZvtHn8JPxqN+MPoOngeKV9SFphBuK1gJB x9Jw== 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=9mbDirqLKXr/5FgIX54AJCxh8nLq142NlZCiPSIMpPM=; b=7qhvRctFINDqan/xqZXJbNnMbi0JK5y1eSWEpxVlFgluFd3xkpSkf60nv+5fQM/O7s oEXmkbvoB7TbYzni9dZFdOb6BsCj7jnoepTlvZZqIlq3YGvbNjXcUuYrSkMlqMGq+/ZE UjINkxnQjrh1z/lXZygcia8IOq8+Q4ci6P9uZA/kQ/XPCYD0v35S7Te/LC7Vwm+a8wAX E/M1v1ke/LC4TAHkvpd85HNik18stuxLWsgLwR7GeZoN8s3g5OLHEVN23VaPjtCJSW3W IzVUqCgYdh0FT83MiPNRPw8ZMCpAKMHnzrWmfyrPQv0/WhC5Sg5MY05td9Q2SMmGKjOV e9Wg== X-Gm-Message-State: ANoB5pmKYwd0n/aqDrbtgFF3bKS172pU9YVgId5PD4shgOuVLPMHA8S2 fK06V5mC/z5ApKtUr969UxtS X-Google-Smtp-Source: AA0mqf6tDTI+X3TwNGz54Kh+X1FOzooq89OmoICdtqmBjTnZWRiH7OBEycCI7N9VfWSUb485MxkmAA== X-Received: by 2002:aa7:8542:0:b0:575:3c6a:f05c with SMTP id y2-20020aa78542000000b005753c6af05cmr20007862pfn.25.1669916648890; Thu, 01 Dec 2022 09:44:08 -0800 (PST) Received: from localhost.localdomain ([220.158.159.39]) by smtp.gmail.com with ESMTPSA id p4-20020a170902780400b0016d9b101413sm3898743pll.200.2022.12.01.09.44.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Dec 2022 09:44:08 -0800 (PST) From: Manivannan Sadhasivam To: martin.petersen@oracle.com, jejb@linux.ibm.com, andersson@kernel.org, vkoul@kernel.org Cc: quic_cang@quicinc.com, quic_asutoshd@quicinc.com, linux-arm-msm@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, abel.vesa@linaro.org, alim.akhtar@samsung.com, avri.altman@wdc.com, bvanassche@acm.org, Manivannan Sadhasivam Subject: [PATCH v4 04/23] phy: qcom-qmp-ufs: Add support for configuring PHY in HS Series B mode Date: Thu, 1 Dec 2022 23:13:09 +0530 Message-Id: <20221201174328.870152-5-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221201174328.870152-1-manivannan.sadhasivam@linaro.org> References: <20221201174328.870152-1-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. Reviewed-by: Dmitry Baryshkov Signed-off-by: Manivannan Sadhasivam --- drivers/phy/qualcomm/phy-qcom-qmp-ufs.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c index 516027e356f0..2d5dd336aeb2 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c @@ -547,6 +547,8 @@ struct qmp_phy_cfg { /* Main init sequence for PHY blocks - serdes, tx, rx, pcs */ const struct qmp_phy_cfg_tbls tbls; + /* Additional sequence for HS Series B */ + const struct qmp_phy_cfg_tbls tbls_hs_b; /* clock ids to be requested */ const char * const *clk_list; @@ -580,6 +582,7 @@ struct qmp_ufs { struct reset_control *ufs_reset; struct phy *phy; + u32 mode; }; static inline void qphy_setbits(void __iomem *base, u32 offset, u32 val) @@ -841,6 +844,8 @@ static void qmp_ufs_pcs_init(struct qmp_ufs *qmp, const struct qmp_phy_cfg_tbls static void qmp_ufs_init_registers(struct qmp_ufs *qmp, const struct qmp_phy_cfg *cfg) { qmp_ufs_serdes_init(qmp, &cfg->tbls); + if (qmp->mode == PHY_MODE_UFS_HS_B) + qmp_ufs_serdes_init(qmp, &cfg->tbls_hs_b); qmp_ufs_lanes_init(qmp, &cfg->tbls); qmp_ufs_pcs_init(qmp, &cfg->tbls); } @@ -1011,9 +1016,19 @@ 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_ufs *qmp = phy_get_drvdata(phy); + + qmp->mode = mode; + + return 0; +} + static const struct phy_ops qcom_qmp_ufs_phy_ops = { .power_on = qmp_ufs_enable, .power_off = qmp_ufs_disable, + .set_mode = qmp_ufs_set_mode, .owner = THIS_MODULE, };