From patchwork Fri Aug 4 06:48:50 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vivek Gautam X-Patchwork-Id: 9880679 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 081176031B for ; Fri, 4 Aug 2017 06:50:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EE2A928953 for ; Fri, 4 Aug 2017 06:50:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E2D61289A9; Fri, 4 Aug 2017 06:50:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9353F28953 for ; Fri, 4 Aug 2017 06:50:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751977AbdHDGt2 (ORCPT ); Fri, 4 Aug 2017 02:49:28 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:56578 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751964AbdHDGtZ (ORCPT ); Fri, 4 Aug 2017 02:49:25 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id E94B360731; Fri, 4 Aug 2017 06:49:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1501829364; bh=wuAhLNpdoCEqllXGeeVAJNN9bTfvGZHXN/F91aEfEf4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=A7WRp/UOEqC7QRI+OEAO0N339cc3+M8mrkvAFt5S/XEbdA/jdIt9foVFAAdu+OWlD bBCuiMdRH4K52XLcGBNB99ex2ndj9fDHAf/nauGYh6phbjq+vK/p7FkR0iQHsLK/94 SSAfwbm+4dH3ow5HjC5PtDB3Y6xXoUxsYYvnRsg4= Received: from blr-ubuntu-41.ap.qualcomm.com (blr-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.18.19]) (using TLSv1.1 with cipher ECDHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: vivek.gautam@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id D810C607B3; Fri, 4 Aug 2017 06:49:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1501829361; bh=wuAhLNpdoCEqllXGeeVAJNN9bTfvGZHXN/F91aEfEf4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cAc+tOxGkxailCbQQigUFKOFMDuQ02w74C22GsN+Fy9UGu5h7eTBZIavnTQjs5IeQ 5nqM6uEhMiWR+1nBZVl9u0bp82EPpqhJVoGcgtpsv7m9YKZXreiaPAQURNm2i560PJ 1qga3t6JMfXaqBpHHlrx76oyE/4aRDjMYwSgbY6I= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org D810C607B3 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=vivek.gautam@codeaurora.org From: Vivek Gautam To: kishon@ti.com, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, robh+dt@kernel.org Cc: linux-arm-msm@vger.kernel.org, subhashj@codeaurora.org, bjorn.andersson@linaro.org, devicetree@vger.kernel.org, jejb@linux.vnet.ibm.com, vinholikatti@gmail.com, Vivek Gautam Subject: [PATCH 3/5] phy: qcom-ufs: Add support to set phy mode Date: Fri, 4 Aug 2017 12:18:50 +0530 Message-Id: <1501829332-5183-4-git-send-email-vivek.gautam@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1501829332-5183-1-git-send-email-vivek.gautam@codeaurora.org> References: <1501829332-5183-1-git-send-email-vivek.gautam@codeaurora.org> Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Adding support to set desired UFS phy mode that can be set from the host controller. Signed-off-by: Vivek Gautam --- drivers/phy/qualcomm/phy-qcom-ufs-i.h | 2 ++ drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.c | 14 ++++++++++++++ drivers/phy/qualcomm/phy-qcom-ufs-qmp-20nm.c | 14 ++++++++++++++ 3 files changed, 30 insertions(+) diff --git a/drivers/phy/qualcomm/phy-qcom-ufs-i.h b/drivers/phy/qualcomm/phy-qcom-ufs-i.h index 13b02b7de30b..94326ed107c3 100644 --- a/drivers/phy/qualcomm/phy-qcom-ufs-i.h +++ b/drivers/phy/qualcomm/phy-qcom-ufs-i.h @@ -115,6 +115,8 @@ struct ufs_qcom_phy { int cached_regs_table_size; bool is_powered_on; struct ufs_qcom_phy_specific_ops *phy_spec_ops; + + enum phy_mode mode; }; /** diff --git a/drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.c b/drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.c index 12a1b498dc4b..af65785230b5 100644 --- a/drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.c +++ b/drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.c @@ -53,6 +53,19 @@ static int ufs_qcom_phy_qmp_14nm_exit(struct phy *generic_phy) } static +int ufs_qcom_phy_qmp_14nm_set_mode(struct phy *generic_phy, enum phy_mode mode) +{ + struct ufs_qcom_phy *phy_common = get_ufs_qcom_phy(generic_phy); + + phy_common->mode = PHY_MODE_INVALID; + + if (mode > 0) + phy_common->mode = mode; + + return 0; +} + +static void ufs_qcom_phy_qmp_14nm_power_control(struct ufs_qcom_phy *phy, bool val) { writel_relaxed(val ? 0x1 : 0x0, phy->mmio + UFS_PHY_POWER_DOWN_CONTROL); @@ -102,6 +115,7 @@ static int ufs_qcom_phy_qmp_14nm_is_pcs_ready(struct ufs_qcom_phy *phy_common) .exit = ufs_qcom_phy_qmp_14nm_exit, .power_on = ufs_qcom_phy_power_on, .power_off = ufs_qcom_phy_power_off, + .set_mode = ufs_qcom_phy_qmp_14nm_set_mode, .owner = THIS_MODULE, }; diff --git a/drivers/phy/qualcomm/phy-qcom-ufs-qmp-20nm.c b/drivers/phy/qualcomm/phy-qcom-ufs-qmp-20nm.c index 4f68acb58b73..5c18c41dbdb4 100644 --- a/drivers/phy/qualcomm/phy-qcom-ufs-qmp-20nm.c +++ b/drivers/phy/qualcomm/phy-qcom-ufs-qmp-20nm.c @@ -72,6 +72,19 @@ static int ufs_qcom_phy_qmp_20nm_exit(struct phy *generic_phy) } static +int ufs_qcom_phy_qmp_20nm_set_mode(struct phy *generic_phy, enum phy_mode mode) +{ + struct ufs_qcom_phy *phy_common = get_ufs_qcom_phy(generic_phy); + + phy_common->mode = PHY_MODE_INVALID; + + if (mode > 0) + phy_common->mode = mode; + + return 0; +} + +static void ufs_qcom_phy_qmp_20nm_power_control(struct ufs_qcom_phy *phy, bool val) { bool hibern8_exit_after_pwr_collapse = phy->quirks & @@ -160,6 +173,7 @@ static int ufs_qcom_phy_qmp_20nm_is_pcs_ready(struct ufs_qcom_phy *phy_common) .exit = ufs_qcom_phy_qmp_20nm_exit, .power_on = ufs_qcom_phy_power_on, .power_off = ufs_qcom_phy_power_off, + .set_mode = ufs_qcom_phy_qmp_20nm_set_mode, .owner = THIS_MODULE, };