From patchwork Mon Oct 31 18:02:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 620586 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 1C6A8ECAAA1 for ; Mon, 31 Oct 2022 18:03:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230012AbiJaSDF (ORCPT ); Mon, 31 Oct 2022 14:03:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41574 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229987AbiJaSDB (ORCPT ); Mon, 31 Oct 2022 14:03:01 -0400 Received: from mail-pg1-x52a.google.com (mail-pg1-x52a.google.com [IPv6:2607:f8b0:4864:20::52a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D90F913DDE for ; Mon, 31 Oct 2022 11:02:57 -0700 (PDT) Received: by mail-pg1-x52a.google.com with SMTP id q71so11343855pgq.8 for ; Mon, 31 Oct 2022 11:02:57 -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=az+mbqwaQdajMORJaiUBcviJsUOKBXycrYz2HKA47/E=; b=VFf52+bdqzJyslIQpm0rjtPL6FEnpZk//tWUJACHX+iQh6ZYzfBI7nGthmgkuNkJNG GJJt855vPoU25lQgPO4nEWh8k8IYoVEGLdc7AC+pbFzSJmxVQ9aMzEHWZMdhFkAY2abv OsFxoKHKjLDCiEAgzMNW//J7UBiwO+tgmxpIALqhGPLkCdLTgZG7DStlekRcQwP6Rpr1 kr/qff3pwKEB66zk3RO1OY5ChCxrvvo6qCeaINOKySCLbY8CkB60887ggnUOGwOeJyr5 shvTtNXAoEpqnJnnnapy1ngK/JT5p/o2GkZZvGWUJW2+R33dxX4kVtKswFWo+2AZJvmf px2A== 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=az+mbqwaQdajMORJaiUBcviJsUOKBXycrYz2HKA47/E=; b=ana28VgeIhCLBirwJoJcEiAG7DMzrlOQPOlc25e2z1WS0rB9DzvtbhdM72WzPc8ETB JIjZaCVnbKEyF4W3yqpIrL2PHwM47wNZAqwesG3XKfVm2DFF8SIuj7oa3/JlVyvy6NX2 4Wl9YK+GJMKE9hdjt97sJn4TVECe1Q1nRNP4W42+2/ed2dlpR/xNihkafNCayl0AjcpW cDtSk68+ZH04VMuRGhtr6u8uWyEJs8m7esNObEQHfciBrIiqTFMk6mlgjtteqgLxRRjH 8dPAyECFh2xpEdLDH4qfKQ/9VoCtFNGfaUiLLDkRSD+LynxLQNpqWtZ6nNisQOze//y7 yUQg== X-Gm-Message-State: ACrzQf0juHrIR7vAbDTSjaIvBbx1nIY1A8HZXU2wtfecoGv5W4W2OT6A fDoU0TUk/HuAeusPu8rRgIKc X-Google-Smtp-Source: AMsMyM6qb3bnXQ6wtLizQA/BewtZqvsGYBB5m0B22PSvF3DZDL342VIwvxVKXlCprfdLvEQKU+F+0g== X-Received: by 2002:a05:6a00:1152:b0:56c:dd9c:da94 with SMTP id b18-20020a056a00115200b0056cdd9cda94mr15578291pfm.66.1667239377356; Mon, 31 Oct 2022 11:02:57 -0700 (PDT) Received: from localhost.localdomain ([117.193.209.221]) by smtp.gmail.com with ESMTPSA id q14-20020a170902a3ce00b00186c6d2e7e3sm4742224plb.26.2022.10.31.11.02.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 Oct 2022 11:02:55 -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 03/15] phy: qcom-qmp-ufs: Add support for configuring PHY in HS G4 mode Date: Mon, 31 Oct 2022 23:32:05 +0530 Message-Id: <20221031180217.32512-4-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: devicetree@vger.kernel.org Add separate tables_hs_g4 instance to allow the PHY driver to configure the PHY in HS G4 mode. The individual SoC configs need to supply the Rx, Tx and PCS register setting in tables_hs_g4 and the UFS driver can request the Hs G4 mode by calling phy_set_mode_ext() with submode set to UFS_HS_G4. Reviewed-by: Dmitry Baryshkov Signed-off-by: Manivannan Sadhasivam --- drivers/phy/qualcomm/phy-qcom-qmp-ufs.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c index 4c6a2b5afc9a..5f2a012707b7 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c @@ -553,6 +553,8 @@ struct qmp_phy_cfg { const struct qmp_phy_cfg_tables tables; /* Additional sequence for HS Series B */ const struct qmp_phy_cfg_tables tables_hs_b; + /* Additional sequence for HS G4 */ + const struct qmp_phy_cfg_tables tables_hs_g4; /* clock ids to be requested */ const char * const *clk_list; @@ -587,6 +589,7 @@ struct qmp_phy_cfg { * @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 + * @submode: PHY submode configured by the UFS driver */ struct qmp_phy { struct phy *phy; @@ -600,6 +603,7 @@ struct qmp_phy { void __iomem *pcs_misc; struct qcom_qmp *qmp; u32 mode; + u32 submode; }; /** @@ -993,8 +997,12 @@ static int qmp_ufs_power_on(struct phy *phy) qmp_ufs_serdes_init(qphy, &cfg->tables_hs_b); qmp_ufs_lanes_init(qphy, &cfg->tables); + if (qphy->submode == UFS_HS_G4) + qmp_ufs_lanes_init(qphy, &cfg->tables_hs_g4); qmp_ufs_pcs_init(qphy, &cfg->tables); + if (qphy->submode == UFS_HS_G4) + qmp_ufs_pcs_init(qphy, &cfg->tables_hs_g4); ret = reset_control_deassert(qmp->ufs_reset); if (ret) @@ -1083,6 +1091,7 @@ 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; + qphy->submode = submode; return 0; }