From patchwork Thu Dec 22 14:09:42 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 13079910 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 DEEE9C001B2 for ; Thu, 22 Dec 2022 14:10:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235468AbiLVOKw (ORCPT ); Thu, 22 Dec 2022 09:10:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46460 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235450AbiLVOKn (ORCPT ); Thu, 22 Dec 2022 09:10:43 -0500 Received: from mail-pf1-x433.google.com (mail-pf1-x433.google.com [IPv6:2607:f8b0:4864:20::433]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 751972B603 for ; Thu, 22 Dec 2022 06:10:39 -0800 (PST) Received: by mail-pf1-x433.google.com with SMTP id n3so1288966pfq.10 for ; Thu, 22 Dec 2022 06:10:39 -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=/p+KNgANSr5uBHeX1FzcIMoLA4Ae3aZ8ABPlQd95kGE=; b=kwcMnFApASjLH34+IJRVUZAoeKisxzikTzT6bazUX+C3HMpTaJJoeRjhc83tn1EMlq C9+SN6eWRfRl1vrEDeFbF4HTvJ0PJF5Vx9l5EKv5PxF01+4rQ669wCD7I0Ok1kgVuuqk kWZl9pC28EbwyYF6KKy7k7fzRUQJbLFEJccsF9n6VDX6Hz/RfxpdMJmJ8v3u5+XbSC0R NhJ+8aDU4yOLhEnjlGQgmFpn02msqiWdhqz9pQFRtxgC3YjQjd98gUPdMSIPbwnaL8Lh RUfZM9cyPeL8ucQ4ILThSKAvvEPwtzrK8iLwYlg/7QCM8fBtnwCVNUKTn/6B/K0e4PxZ TIHg== 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=/p+KNgANSr5uBHeX1FzcIMoLA4Ae3aZ8ABPlQd95kGE=; b=zCqlT0IxxjXAoreNZNrgFSBxLE5OYie/oHK9JiIhb7VmQFpEUdUINCj9F9hHaYkfF+ IpAJ7eGqFIXYjflGFEyi3pjSbh8I5DasBx2IWbzdMeyTNrUpYwGfxHVEckiS3fCTK4G7 SDuQnif7ElL13+5QiiBg2jBK8VlFf4fhQdnuNpW717t8jnN/tOpfY8sJu4CZYcZUeIoI mn62Xmv/QRJyeXfjpeTWwMleItVKmUISrjvZOTHwMipC5mFqCDT+TaJhSt7OU409UxgS WMjBjZWQ8SelR/T5HbF8INRQOCQKd9j7DNDT8pi0OGTwRPxmuQ8dXW3VRq7G+0HFtDbz VNKw== X-Gm-Message-State: AFqh2kpSo9Ii5tqz0OMvzFCAaBaJwUrpfu2ts68hCgaSrJ3UMtGkbVFr VdOy2LzKEmAeemL8OHr16edx X-Google-Smtp-Source: AMrXdXvgrVn02a7jIirzsbGlIVgIxpWXsY5Kg7ocqVjDd6dguplca9rtJdReeG9FNTfJ9ppDQhCxDA== X-Received: by 2002:aa7:9f07:0:b0:575:cce2:cd83 with SMTP id g7-20020aa79f07000000b00575cce2cd83mr6116962pfr.5.1671718238959; Thu, 22 Dec 2022 06:10:38 -0800 (PST) Received: from localhost.localdomain ([117.217.177.177]) by smtp.gmail.com with ESMTPSA id f8-20020a655908000000b0047829d1b8eesm832031pgu.31.2022.12.22.06.10.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Dec 2022 06:10:38 -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 v5 04/23] phy: qcom-qmp-ufs: Add support for configuring PHY in HS Series B mode Date: Thu, 22 Dec 2022 19:39:42 +0530 Message-Id: <20221222141001.54849-5-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221222141001.54849-1-manivannan.sadhasivam@linaro.org> References: <20221222141001.54849-1-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 Tested-by: Andrew Halaney # Qdrive3/sa8540p-ride 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, };