From patchwork Mon Jun 20 20:12:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuogee Hsieh X-Patchwork-Id: 12888193 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 AB70DC433EF for ; Mon, 20 Jun 2022 20:15:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344815AbiFTUPi (ORCPT ); Mon, 20 Jun 2022 16:15:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49988 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344890AbiFTUPR (ORCPT ); Mon, 20 Jun 2022 16:15:17 -0400 Received: from alexa-out.qualcomm.com (alexa-out.qualcomm.com [129.46.98.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 043EC24950; Mon, 20 Jun 2022 13:12:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1655755959; x=1687291959; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=VDfaibFCTe3jpGHCmuuyfA8jD3qAMCpmRAJWmR+DhAs=; b=DD8a64Nv+GUmyKuso7EXnrDAzm/dq1ZHys1lO1d6RHBvxkbuqkBiYJEt dVYv/05zmK+XdSyraDQaUDO0kwpR5AzEXa41Py6iR/s8NlVI5Ezwif/vl sXLE+Rqdx4yv/IeJNKq1mEQjN3VRc2BBNjlbdyLDes5IhgZt5EbNnrUIy Q=; Received: from ironmsg07-lv.qualcomm.com ([10.47.202.151]) by alexa-out.qualcomm.com with ESMTP; 20 Jun 2022 13:12:38 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg07-lv.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jun 2022 13:12:37 -0700 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Mon, 20 Jun 2022 13:12:37 -0700 Received: from khsieh-linux1.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Mon, 20 Jun 2022 13:12:36 -0700 From: Kuogee Hsieh To: , , , , , , , , , , CC: Kuogee Hsieh , , , , , , Subject: [PATCH v14 2/3] phy: qcom-qmp: add regulator_set_load to dp phy Date: Mon, 20 Jun 2022 13:12:22 -0700 Message-ID: <1655755943-28594-3-git-send-email-quic_khsieh@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1655755943-28594-1-git-send-email-quic_khsieh@quicinc.com> References: <1655755943-28594-1-git-send-email-quic_khsieh@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This patch add regulator_set_load() before enable regulator at DP phy driver. Signed-off-by: Kuogee Hsieh Reviewed-by: Stephen Boyd Reviewed-by: Douglas Anderson --- drivers/phy/qualcomm/phy-qcom-qmp.c | 40 ++++++++++++++++++++++++++++--------- 1 file changed, 31 insertions(+), 9 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c index c7309e981..e5836ea 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c @@ -3119,6 +3119,17 @@ static const struct qmp_phy_init_tbl sm8450_qmp_gen4x2_pcie_pcs_misc_tbl[] = { QMP_PHY_INIT_CFG(QPHY_V5_20_PCS_PCIE_G4_PRE_GAIN, 0x2e), }; +/* list of regulators */ +struct qmp_regulator_data { + const char *name; + unsigned int enable_load; +}; + +struct qmp_regulator_data qmp_phy_vreg_l[] = { + { .name = "vdda-phy", .enable_load = 21800 }, + { .name = "vdda-pll", .enable_load = 36000 }, +}; + struct qmp_phy; /* struct qmp_phy_cfg - per-PHY initialization config */ @@ -3173,7 +3184,7 @@ struct qmp_phy_cfg { const char * const *reset_list; int num_resets; /* regulators to be requested */ - const char * const *vreg_list; + const struct qmp_regulator_data *vreg_list; int num_vregs; /* array of registers with different offsets */ @@ -3385,11 +3396,6 @@ static const char * const sdm845_pciephy_reset_l[] = { "phy", }; -/* list of regulators */ -static const char * const qmp_phy_vreg_l[] = { - "vdda-phy", "vdda-pll", -}; - static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = { .type = PHY_TYPE_USB3, .nlanes = 1, @@ -5561,16 +5567,32 @@ static int qcom_qmp_phy_vreg_init(struct device *dev, const struct qmp_phy_cfg * { struct qcom_qmp *qmp = dev_get_drvdata(dev); int num = cfg->num_vregs; - int i; + int ret, i; qmp->vregs = devm_kcalloc(dev, num, sizeof(*qmp->vregs), GFP_KERNEL); if (!qmp->vregs) return -ENOMEM; for (i = 0; i < num; i++) - qmp->vregs[i].supply = cfg->vreg_list[i]; + qmp->vregs[i].supply = cfg->vreg_list[i].name; - return devm_regulator_bulk_get(dev, num, qmp->vregs); + ret = devm_regulator_bulk_get(dev, num, qmp->vregs); + if (ret) { + dev_err(dev, "failed at devm_regulator_bulk_get\n"); + return ret; + } + + for (i = 0; i < num; i++) { + ret = regulator_set_load(qmp->vregs[i].consumer, + cfg->vreg_list[i].enable_load); + if (ret) { + dev_err(dev, "failed to set load at %s\n", + qmp->vregs[i].supply); + return ret; + } + } + + return 0; } static int qcom_qmp_phy_reset_init(struct device *dev, const struct qmp_phy_cfg *cfg)