From patchwork Wed May 10 03:19:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Andersson X-Patchwork-Id: 680595 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 4953CC77B7C for ; Wed, 10 May 2023 03:20:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235622AbjEJDUY (ORCPT ); Tue, 9 May 2023 23:20:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58896 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235629AbjEJDTx (ORCPT ); Tue, 9 May 2023 23:19:53 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A6234EE3; Tue, 9 May 2023 20:19:43 -0700 (PDT) Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 34A2vFKs012262; Wed, 10 May 2023 03:19:37 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=nRGREVXaO73ZMvjqHywCfhfQdvFNCjsc7JjZEI2wqJs=; b=a7wAsT0Eg1BdWDXVpG5HaL64kdNHN6v8lRHgIcoOlnFxt4Qu+e9oFNY3vweREuv5NCZG Cu46FSxmMxPN3mIMZK736TIOjK+lzHP7VfJ8dscE9jqA0CrXVouL+g1fi5bKJXQcxesJ WRNEXfI7O1I3S78Jmp2mSSaZXWOUSr3rZRimD4LcDAtGfdTkI1wpc3mkylb1PyYggfXB 5J5FGnW29Z9kYpU6StXbISAP6qXvG6h7fnQyjsP1ufn+jFYf/Wjd9nvk403SanG/1fJY ywzOR5m7TLahxUaIgk5ckt+bTPZEqfrrqNLQd24EpkUDI6n17iZq6vpcTLPhb4wruj/O fg== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3qg29v02t6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 10 May 2023 03:19:36 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 34A3JZxl004282 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 10 May 2023 03:19:35 GMT Received: from hu-bjorande-lv.qualcomm.com (10.49.16.6) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.42; Tue, 9 May 2023 20:19:35 -0700 From: Bjorn Andersson To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Johan Hovold CC: Bjorn Andersson , Konrad Dybcio , , , , , Abel Vesa , Steev Klimaszewski , Neil Armstrong , Johan Hovold Subject: [PATCH v2 1/8] dt-bindings: phy: qcom, sc8280xp-qmp-usb43dp: Add ports and orientation-switch Date: Tue, 9 May 2023 20:19:23 -0700 Message-ID: <20230510031930.1996020-2-quic_bjorande@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230510031930.1996020-1-quic_bjorande@quicinc.com> References: <20230510031930.1996020-1-quic_bjorande@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01b.na.qualcomm.com (10.47.209.197) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: MD8vQBlTLGoxGYRb5n7EixPVSZB6eA9Z X-Proofpoint-ORIG-GUID: MD8vQBlTLGoxGYRb5n7EixPVSZB6eA9Z X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-09_16,2023-05-05_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1011 lowpriorityscore=0 malwarescore=0 bulkscore=0 phishscore=0 priorityscore=1501 spamscore=0 impostorscore=0 adultscore=0 suspectscore=0 mlxscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305100023 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The QMP combo phy can be connected to a TCPM, a USB controller and a DisplayPort controller for handling USB Type-C orientation switching and propagating HPD signals. Extend the binding to allow these connections to be described. Signed-off-by: Bjorn Andersson Tested-by: Abel Vesa Tested-by: Steev Klimaszewski Tested-by: Neil Armstrong # on HDK8450 Tested-by: Johan Hovold # X13s Reviewed-by: Krzysztof Kozlowski --- Changes since v1: - Corrected port $ref .../phy/qcom,sc8280xp-qmp-usb43dp-phy.yaml | 51 +++++++++++++++++++ 1 file changed, 51 insertions(+) diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb43dp-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb43dp-phy.yaml index 3cd5fc3e8fab..ef1c02d8ac88 100644 --- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb43dp-phy.yaml +++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb43dp-phy.yaml @@ -60,6 +60,26 @@ properties: description: See include/dt-bindings/dt-bindings/phy/phy-qcom-qmp.h + orientation-switch: + description: + Flag the PHY as possible handler of USB Type-C orientation switching + type: boolean + + ports: + $ref: /schemas/graph.yaml#/properties/ports + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: Output endpoint of the PHY + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: Incoming endpoint from the USB controller + + port@2: + $ref: /schemas/graph.yaml#/properties/port + description: Incoming endpoint from the DisplayPort controller + required: - compatible - reg @@ -98,6 +118,37 @@ examples: vdda-phy-supply = <&vreg_l9d>; vdda-pll-supply = <&vreg_l4d>; + orientation-switch; + #clock-cells = <1>; #phy-cells = <1>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + endpoint { + remote-endpoint = <&typec_connector_ss>; + }; + }; + + port@1 { + reg = <1>; + + endpoint { + remote-endpoint = <&dwc3_ss_out>; + }; + }; + + port@2 { + reg = <2>; + + endpoint { + remote-endpoint = <&mdss_dp_out>; + }; + }; + }; }; From patchwork Wed May 10 03:19:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Andersson X-Patchwork-Id: 680593 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 71D73C77B75 for ; Wed, 10 May 2023 03:20:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235806AbjEJDU4 (ORCPT ); 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Wed, 10 May 2023 03:19:37 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 34A3JaG3022814 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 10 May 2023 03:19:36 GMT Received: from hu-bjorande-lv.qualcomm.com (10.49.16.6) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.42; Tue, 9 May 2023 20:19:35 -0700 From: Bjorn Andersson To: Vinod Koul , Kishon Vijay Abraham I , Johan Hovold CC: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , , , , , Johan Hovold , Abel Vesa , Steev Klimaszewski , Neil Armstrong Subject: [PATCH v2 2/8] phy: qcom-qmp-combo: Move phy_mutex out of com_init/exit Date: Tue, 9 May 2023 20:19:24 -0700 Message-ID: <20230510031930.1996020-3-quic_bjorande@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230510031930.1996020-1-quic_bjorande@quicinc.com> References: <20230510031930.1996020-1-quic_bjorande@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01b.na.qualcomm.com (10.47.209.197) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: EO2cK_BwaXhgaHDjuUmH9LTvmYuhTP9q X-Proofpoint-GUID: EO2cK_BwaXhgaHDjuUmH9LTvmYuhTP9q X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-09_16,2023-05-05_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 bulkscore=0 mlxscore=0 suspectscore=0 lowpriorityscore=0 phishscore=0 adultscore=0 spamscore=0 mlxlogscore=999 clxscore=1015 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305100023 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org With the upcoming introduction of USB Type-C orientation switching the region of mutual exclusion needs to be extended to cover both the common init/exit as well as the individual functions. So move the phy_mutex one step up the stack. Signed-off-by: Bjorn Andersson Reviewed-by: Johan Hovold Tested-by: Abel Vesa Tested-by: Steev Klimaszewski Tested-by: Neil Armstrong # on HDK8450 Tested-by: Johan Hovold # X13s --- Changes since v1: - Rebased on Johan's init_count fixes drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 47 ++++++++++++++--------- 1 file changed, 28 insertions(+), 19 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c index 87b17e5877ab..8918ba2b18a4 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c @@ -2463,11 +2463,8 @@ static int qmp_combo_com_init(struct qmp_combo *qmp) void __iomem *com = qmp->com; int ret; - mutex_lock(&qmp->phy_mutex); - if (qmp->init_count++) { - mutex_unlock(&qmp->phy_mutex); + if (qmp->init_count++) return 0; - } ret = regulator_bulk_enable(cfg->num_vregs, qmp->vregs); if (ret) { @@ -2514,8 +2511,6 @@ static int qmp_combo_com_init(struct qmp_combo *qmp) qphy_setbits(qmp->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], SW_PWRDN); - mutex_unlock(&qmp->phy_mutex); - return 0; err_assert_reset: @@ -2524,7 +2519,6 @@ static int qmp_combo_com_init(struct qmp_combo *qmp) regulator_bulk_disable(cfg->num_vregs, qmp->vregs); err_decrement_count: qmp->init_count--; - mutex_unlock(&qmp->phy_mutex); return ret; } @@ -2533,11 +2527,8 @@ static int qmp_combo_com_exit(struct qmp_combo *qmp) { const struct qmp_phy_cfg *cfg = qmp->cfg; - mutex_lock(&qmp->phy_mutex); - if (--qmp->init_count) { - mutex_unlock(&qmp->phy_mutex); + if (--qmp->init_count) return 0; - } reset_control_bulk_assert(cfg->num_resets, qmp->resets); @@ -2545,8 +2536,6 @@ static int qmp_combo_com_exit(struct qmp_combo *qmp) regulator_bulk_disable(cfg->num_vregs, qmp->vregs); - mutex_unlock(&qmp->phy_mutex); - return 0; } @@ -2556,21 +2545,29 @@ static int qmp_combo_dp_init(struct phy *phy) const struct qmp_phy_cfg *cfg = qmp->cfg; int ret; + mutex_lock(&qmp->phy_mutex); + ret = qmp_combo_com_init(qmp); if (ret) - return ret; + goto out_unlock; cfg->dp_aux_init(qmp); - return 0; +out_unlock: + mutex_unlock(&qmp->phy_mutex); + return ret; } static int qmp_combo_dp_exit(struct phy *phy) { struct qmp_combo *qmp = phy_get_drvdata(phy); + mutex_lock(&qmp->phy_mutex); + qmp_combo_com_exit(qmp); + mutex_unlock(&qmp->phy_mutex); + return 0; } @@ -2687,14 +2684,19 @@ static int qmp_combo_usb_init(struct phy *phy) struct qmp_combo *qmp = phy_get_drvdata(phy); int ret; + mutex_lock(&qmp->phy_mutex); ret = qmp_combo_com_init(qmp); if (ret) - return ret; + goto out_unlock; ret = qmp_combo_usb_power_on(phy); - if (ret) + if (ret) { qmp_combo_com_exit(qmp); + goto out_unlock; + } +out_unlock: + mutex_unlock(&qmp->phy_mutex); return ret; } @@ -2703,11 +2705,18 @@ static int qmp_combo_usb_exit(struct phy *phy) struct qmp_combo *qmp = phy_get_drvdata(phy); int ret; + mutex_lock(&qmp->phy_mutex); ret = qmp_combo_usb_power_off(phy); if (ret) - return ret; + goto out_unlock; - return qmp_combo_com_exit(qmp); + ret = qmp_combo_com_exit(qmp); + if (ret) + goto out_unlock; + +out_unlock: + mutex_unlock(&qmp->phy_mutex); + return ret; } static int qmp_combo_usb_set_mode(struct phy *phy, enum phy_mode mode, int submode) From patchwork Wed May 10 03:19:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Andersson X-Patchwork-Id: 680594 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 0721FC77B75 for ; Wed, 10 May 2023 03:20:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235772AbjEJDUw (ORCPT ); Tue, 9 May 2023 23:20:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59274 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235525AbjEJDUO (ORCPT ); Tue, 9 May 2023 23:20:14 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E89094C13; 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Wed, 10 May 2023 03:19:37 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 34A3JaEr016023 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 10 May 2023 03:19:36 GMT Received: from hu-bjorande-lv.qualcomm.com (10.49.16.6) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.42; Tue, 9 May 2023 20:19:36 -0700 From: Bjorn Andersson To: Vinod Koul , Kishon Vijay Abraham I , Johan Hovold CC: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , , , , Subject: [PATCH v2 3/8] phy: qcom-qmp-combo: Extend phy_mutex to all phy_ops Date: Tue, 9 May 2023 20:19:25 -0700 Message-ID: <20230510031930.1996020-4-quic_bjorande@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230510031930.1996020-1-quic_bjorande@quicinc.com> References: <20230510031930.1996020-1-quic_bjorande@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01b.na.qualcomm.com (10.47.209.197) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: UhI58YbhWgPJ469hAFQL98Ay1_8i7ZaZ X-Proofpoint-ORIG-GUID: UhI58YbhWgPJ469hAFQL98Ay1_8i7ZaZ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-09_16,2023-05-05_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 phishscore=0 mlxlogscore=999 malwarescore=0 clxscore=1015 mlxscore=0 suspectscore=0 priorityscore=1501 bulkscore=0 lowpriorityscore=0 spamscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305100024 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The phy core ensures mutual exclusion across the ops for a given phy, but the upcoming introduction of USB Type-C orientation switching might race with the DisplayPort phy operations. So extend the mutual exclusion to cover the remaining ops as well, to avoid concurrent reconfiguration of the hardware. Reported-by: Johan Hovold Signed-off-by: Bjorn Andersson Reviewed-by: Johan Hovold --- Changes since v1: - New patch drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 21 +++++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c index 8918ba2b18a4..6baacdf3a4cb 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c @@ -2437,12 +2437,16 @@ static int qmp_combo_dp_configure(struct phy *phy, union phy_configure_opts *opt struct qmp_combo *qmp = phy_get_drvdata(phy); const struct qmp_phy_cfg *cfg = qmp->cfg; + mutex_lock(&qmp->phy_mutex); + memcpy(&qmp->dp_opts, dp_opts, sizeof(*dp_opts)); if (qmp->dp_opts.set_voltages) { cfg->configure_dp_tx(qmp); qmp->dp_opts.set_voltages = 0; } + mutex_unlock(&qmp->phy_mutex); + return 0; } @@ -2450,11 +2454,16 @@ static int qmp_combo_dp_calibrate(struct phy *phy) { struct qmp_combo *qmp = phy_get_drvdata(phy); const struct qmp_phy_cfg *cfg = qmp->cfg; + int ret = 0; + + mutex_lock(&qmp->phy_mutex); if (cfg->calibrate_dp_phy) - return cfg->calibrate_dp_phy(qmp); + ret = cfg->calibrate_dp_phy(qmp); - return 0; + mutex_unlock(&qmp->phy_mutex); + + return ret; } static int qmp_combo_com_init(struct qmp_combo *qmp) @@ -2578,6 +2587,8 @@ static int qmp_combo_dp_power_on(struct phy *phy) void __iomem *tx = qmp->dp_tx; void __iomem *tx2 = qmp->dp_tx2; + mutex_lock(&qmp->phy_mutex); + qmp_combo_dp_serdes_init(qmp); qmp_combo_configure_lane(tx, cfg->dp_tx_tbl, cfg->dp_tx_tbl_num, 1); @@ -2589,6 +2600,8 @@ static int qmp_combo_dp_power_on(struct phy *phy) /* Configure link rate, swing, etc. */ cfg->configure_dp_phy(qmp); + mutex_unlock(&qmp->phy_mutex); + return 0; } @@ -2596,9 +2609,13 @@ static int qmp_combo_dp_power_off(struct phy *phy) { struct qmp_combo *qmp = phy_get_drvdata(phy); + mutex_lock(&qmp->phy_mutex); + /* Assert DP PHY power down */ writel(DP_PHY_PD_CTL_PSR_PWRDN, qmp->dp_dp_phy + QSERDES_DP_PHY_PD_CTL); + mutex_unlock(&qmp->phy_mutex); + return 0; } From patchwork Wed May 10 03:19:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Andersson X-Patchwork-Id: 680976 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 0C44BC7EE26 for ; Wed, 10 May 2023 03:20:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235660AbjEJDU1 (ORCPT ); Tue, 9 May 2023 23:20:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59600 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235638AbjEJDTz (ORCPT ); Tue, 9 May 2023 23:19:55 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D010440FD; 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Wed, 10 May 2023 03:19:37 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 34A3JaEs016023 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 10 May 2023 03:19:36 GMT Received: from hu-bjorande-lv.qualcomm.com (10.49.16.6) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.42; Tue, 9 May 2023 20:19:36 -0700 From: Bjorn Andersson To: Vinod Koul , Kishon Vijay Abraham I , Johan Hovold CC: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , , , , , Neil Armstrong , Abel Vesa , Steev Klimaszewski , Johan Hovold Subject: [PATCH v2 4/8] phy: qcom-qmp-combo: Introduce orientation variable Date: Tue, 9 May 2023 20:19:26 -0700 Message-ID: <20230510031930.1996020-5-quic_bjorande@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230510031930.1996020-1-quic_bjorande@quicinc.com> References: <20230510031930.1996020-1-quic_bjorande@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01b.na.qualcomm.com (10.47.209.197) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: BDYvGoUgRcUrfjVHzI5lFGEzCQiFDUYP X-Proofpoint-ORIG-GUID: BDYvGoUgRcUrfjVHzI5lFGEzCQiFDUYP X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-09_16,2023-05-05_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxlogscore=999 clxscore=1015 spamscore=0 bulkscore=0 phishscore=0 adultscore=0 suspectscore=0 mlxscore=0 malwarescore=0 priorityscore=1501 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305100024 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org In multiple places throughout the driver code has been written in prepration for handling of orientation switching. Introduce a typec_orientation in qmp_combo and fill out the various "placeholders" with the associated logic. By initializing the orientation to "normal" this change has no functional impact, but reduces the size of the upcoming introduction of dynamic orientation switching. Signed-off-by: Bjorn Andersson Reviewed-by: Neil Armstrong Tested-by: Abel Vesa Tested-by: Steev Klimaszewski Tested-by: Neil Armstrong # on HDK8450 Tested-by: Johan Hovold # X13s Reviewed-by: Johan Hovold --- Changes since v1: - X-mas in qmp_combo_configure_dp_mode() drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 54 +++++++++++++---------- 1 file changed, 30 insertions(+), 24 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c index 6baacdf3a4cb..e0d246e7086d 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c @@ -19,6 +19,7 @@ #include #include #include +#include #include @@ -63,6 +64,10 @@ /* QPHY_V3_PCS_MISC_CLAMP_ENABLE register bits */ #define CLAMP_EN BIT(0) /* enables i/o clamp_n */ +/* QPHY_V3_DP_COM_TYPEC_CTRL register bits */ +#define SW_PORTSELECT_VAL BIT(0) +#define SW_PORTSELECT_MUX BIT(1) + #define PHY_INIT_COMPLETE_TIMEOUT 10000 struct qmp_phy_init_tbl { @@ -1323,6 +1328,8 @@ struct qmp_combo { struct clk_fixed_rate pipe_clk_fixed; struct clk_hw dp_link_hw; struct clk_hw dp_pixel_hw; + + enum typec_orientation orientation; }; static void qmp_v3_dp_aux_init(struct qmp_combo *qmp); @@ -1954,30 +1961,24 @@ static void qmp_v3_configure_dp_tx(struct qmp_combo *qmp) static bool qmp_combo_configure_dp_mode(struct qmp_combo *qmp) { + bool reverse = qmp->orientation == TYPEC_ORIENTATION_REVERSE; + const struct phy_configure_opts_dp *dp_opts = &qmp->dp_opts; u32 val; - bool reverse = false; val = DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN | DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN; - /* - * TODO: Assume orientation is CC1 for now and two lanes, need to - * use type-c connector to understand orientation and lanes. - * - * Otherwise val changes to be like below if this code understood - * the orientation of the type-c cable. - * - * if (lane_cnt == 4 || orientation == ORIENTATION_CC2) - * val |= DP_PHY_PD_CTL_LANE_0_1_PWRDN; - * if (lane_cnt == 4 || orientation == ORIENTATION_CC1) - * val |= DP_PHY_PD_CTL_LANE_2_3_PWRDN; - * if (orientation == ORIENTATION_CC2) - * writel(0x4c, qmp->dp_dp_phy + QSERDES_V3_DP_PHY_MODE); - */ - val |= DP_PHY_PD_CTL_LANE_2_3_PWRDN; + if (dp_opts->lanes == 4 || reverse) + val |= DP_PHY_PD_CTL_LANE_0_1_PWRDN; + if (dp_opts->lanes == 4 || !reverse) + val |= DP_PHY_PD_CTL_LANE_2_3_PWRDN; + writel(val, qmp->dp_dp_phy + QSERDES_DP_PHY_PD_CTL); - writel(0x5c, qmp->dp_dp_phy + QSERDES_DP_PHY_MODE); + if (reverse) + writel(0x4c, qmp->pcs + QSERDES_DP_PHY_MODE); + else + writel(0x5c, qmp->pcs + QSERDES_DP_PHY_MODE); return reverse; } @@ -2235,7 +2236,7 @@ static int qmp_v4_configure_dp_phy(struct qmp_combo *qmp) { const struct phy_configure_opts_dp *dp_opts = &qmp->dp_opts; u32 bias0_en, drvr0_en, bias1_en, drvr1_en; - bool reverse = false; + bool reverse = qmp->orientation == TYPEC_ORIENTATION_REVERSE; u32 status; int ret; @@ -2299,7 +2300,7 @@ static int qmp_v5_configure_dp_phy(struct qmp_combo *qmp) { const struct phy_configure_opts_dp *dp_opts = &qmp->dp_opts; u32 bias0_en, drvr0_en, bias1_en, drvr1_en; - bool reverse = false; + bool reverse = qmp->orientation == TYPEC_ORIENTATION_REVERSE; u32 status; int ret; @@ -2358,7 +2359,7 @@ static int qmp_v6_configure_dp_phy(struct qmp_combo *qmp) { const struct phy_configure_opts_dp *dp_opts = &qmp->dp_opts; u32 bias0_en, drvr0_en, bias1_en, drvr1_en; - bool reverse = false; + bool reverse = qmp->orientation == TYPEC_ORIENTATION_REVERSE; u32 status; int ret; @@ -2471,6 +2472,7 @@ static int qmp_combo_com_init(struct qmp_combo *qmp) const struct qmp_phy_cfg *cfg = qmp->cfg; void __iomem *com = qmp->com; int ret; + u32 val; if (qmp->init_count++) return 0; @@ -2504,10 +2506,12 @@ static int qmp_combo_com_init(struct qmp_combo *qmp) SW_DPPHY_RESET_MUX | SW_DPPHY_RESET | SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET); - /* Default type-c orientation, i.e CC1 */ - qphy_setbits(com, QPHY_V3_DP_COM_TYPEC_CTRL, 0x02); - - qphy_setbits(com, QPHY_V3_DP_COM_PHY_MODE_CTRL, USB3_MODE | DP_MODE); + /* Use software based port select and switch on typec orientation */ + val = SW_PORTSELECT_MUX; + if (qmp->orientation == TYPEC_ORIENTATION_REVERSE) + val |= SW_PORTSELECT_VAL; + writel(val, com + QPHY_V3_DP_COM_TYPEC_CTRL); + writel(USB3_MODE | DP_MODE, com + QPHY_V3_DP_COM_PHY_MODE_CTRL); /* bring both QMP USB and QMP DP PHYs PCS block out of reset */ qphy_clrbits(com, QPHY_V3_DP_COM_RESET_OVRD_CTRL, @@ -3379,6 +3383,8 @@ static int qmp_combo_probe(struct platform_device *pdev) qmp->dev = dev; + qmp->orientation = TYPEC_ORIENTATION_NORMAL; + qmp->cfg = of_device_get_match_data(dev); if (!qmp->cfg) return -EINVAL; From patchwork Wed May 10 03:19:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Andersson X-Patchwork-Id: 680974 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 42B25C77B7C for ; Wed, 10 May 2023 03:21:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235595AbjEJDU6 (ORCPT ); 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Wed, 10 May 2023 03:19:38 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 34A3JaEt016023 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 10 May 2023 03:19:37 GMT Received: from hu-bjorande-lv.qualcomm.com (10.49.16.6) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.42; Tue, 9 May 2023 20:19:36 -0700 From: Bjorn Andersson To: Vinod Koul , Kishon Vijay Abraham I , Johan Hovold CC: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , , , , , Johan Hovold , Neil Armstrong , Abel Vesa , Steev Klimaszewski Subject: [PATCH v2 5/8] phy: qcom-qmp-combo: Introduce orientation switching Date: Tue, 9 May 2023 20:19:27 -0700 Message-ID: <20230510031930.1996020-6-quic_bjorande@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230510031930.1996020-1-quic_bjorande@quicinc.com> References: <20230510031930.1996020-1-quic_bjorande@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01b.na.qualcomm.com (10.47.209.197) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: hACKrqlMHkw1v1qFn_60vf5PAxqS6kNB X-Proofpoint-GUID: hACKrqlMHkw1v1qFn_60vf5PAxqS6kNB X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-09_16,2023-05-05_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 priorityscore=1501 malwarescore=0 phishscore=0 mlxlogscore=999 clxscore=1015 impostorscore=0 suspectscore=0 spamscore=0 bulkscore=0 lowpriorityscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305100023 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The data lanes of the QMP PHY is swapped in order to handle changing orientation of the USB Type-C cable. Register a typec_switch device to allow a TCPM to configure the orientation. The newly introduced orientation variable is adjusted based on the request, and the initialized components are brought down and up again. To keep track of what parts needs to be cycled new variables to keep track of the individual init_count is introduced. Both the USB and the DisplayPort altmode signals are properly switched. For DisplayPort the controller will after the TCPM having established orientation power on the PHY, so this is not done implicitly, but for USB the PHY typically is kept initialized across the switch, and must therefore then be reinitialized. This is based on initial work by Wesley Cheng. Link: https://lore.kernel.org/r/20201009082843.28503-3-wcheng@codeaurora.org/ Signed-off-by: Bjorn Andersson Reviewed-by: Johan Hovold Reviewed-by: Neil Armstrong Tested-by: Abel Vesa Tested-by: Steev Klimaszewski Tested-by: Neil Armstrong # on HDK8450 Tested-by: Johan Hovold # X13s --- Changes since v1: - Add TYPEC dependency in Kconfig - Whitespace changes drivers/phy/qualcomm/Kconfig | 1 + drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 93 ++++++++++++++++++++--- 2 files changed, 85 insertions(+), 9 deletions(-) diff --git a/drivers/phy/qualcomm/Kconfig b/drivers/phy/qualcomm/Kconfig index 4850d48f31fa..45330e0f66fe 100644 --- a/drivers/phy/qualcomm/Kconfig +++ b/drivers/phy/qualcomm/Kconfig @@ -59,6 +59,7 @@ if PHY_QCOM_QMP config PHY_QCOM_QMP_COMBO tristate "Qualcomm QMP Combo PHY Driver" default PHY_QCOM_QMP + depends on TYPEC || TYPEC=n select GENERIC_PHY select MFD_SYSCON help diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c index e0d246e7086d..52aa2735b841 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c @@ -20,6 +20,7 @@ #include #include #include +#include #include @@ -1320,15 +1321,18 @@ struct qmp_combo { struct phy *usb_phy; enum phy_mode mode; + unsigned int usb_init_count; struct phy *dp_phy; unsigned int dp_aux_cfg; struct phy_configure_opts_dp dp_opts; + unsigned int dp_init_count; struct clk_fixed_rate pipe_clk_fixed; struct clk_hw dp_link_hw; struct clk_hw dp_pixel_hw; + struct typec_switch_dev *sw; enum typec_orientation orientation; }; @@ -2467,14 +2471,14 @@ static int qmp_combo_dp_calibrate(struct phy *phy) return ret; } -static int qmp_combo_com_init(struct qmp_combo *qmp) +static int qmp_combo_com_init(struct qmp_combo *qmp, bool force) { const struct qmp_phy_cfg *cfg = qmp->cfg; void __iomem *com = qmp->com; int ret; u32 val; - if (qmp->init_count++) + if (!force && qmp->init_count++) return 0; ret = regulator_bulk_enable(cfg->num_vregs, qmp->vregs); @@ -2536,11 +2540,11 @@ static int qmp_combo_com_init(struct qmp_combo *qmp) return ret; } -static int qmp_combo_com_exit(struct qmp_combo *qmp) +static int qmp_combo_com_exit(struct qmp_combo *qmp, bool force) { const struct qmp_phy_cfg *cfg = qmp->cfg; - if (--qmp->init_count) + if (!force && --qmp->init_count) return 0; reset_control_bulk_assert(cfg->num_resets, qmp->resets); @@ -2560,12 +2564,14 @@ static int qmp_combo_dp_init(struct phy *phy) mutex_lock(&qmp->phy_mutex); - ret = qmp_combo_com_init(qmp); + ret = qmp_combo_com_init(qmp, false); if (ret) goto out_unlock; cfg->dp_aux_init(qmp); + qmp->dp_init_count++; + out_unlock: mutex_unlock(&qmp->phy_mutex); return ret; @@ -2577,7 +2583,9 @@ static int qmp_combo_dp_exit(struct phy *phy) mutex_lock(&qmp->phy_mutex); - qmp_combo_com_exit(qmp); + qmp_combo_com_exit(qmp, false); + + qmp->dp_init_count--; mutex_unlock(&qmp->phy_mutex); @@ -2706,16 +2714,18 @@ static int qmp_combo_usb_init(struct phy *phy) int ret; mutex_lock(&qmp->phy_mutex); - ret = qmp_combo_com_init(qmp); + ret = qmp_combo_com_init(qmp, false); if (ret) goto out_unlock; ret = qmp_combo_usb_power_on(phy); if (ret) { - qmp_combo_com_exit(qmp); + qmp_combo_com_exit(qmp, false); goto out_unlock; } + qmp->usb_init_count++; + out_unlock: mutex_unlock(&qmp->phy_mutex); return ret; @@ -2731,10 +2741,12 @@ static int qmp_combo_usb_exit(struct phy *phy) if (ret) goto out_unlock; - ret = qmp_combo_com_exit(qmp); + ret = qmp_combo_com_exit(qmp, false); if (ret) goto out_unlock; + qmp->usb_init_count--; + out_unlock: mutex_unlock(&qmp->phy_mutex); return ret; @@ -3203,6 +3215,65 @@ static int qmp_combo_register_clocks(struct qmp_combo *qmp, struct device_node * return devm_add_action_or_reset(qmp->dev, phy_clk_release_provider, dp_np); } +#if IS_ENABLED(CONFIG_TYPEC) +static int qmp_combo_typec_switch_set(struct typec_switch_dev *sw, + enum typec_orientation orientation) +{ + struct qmp_combo *qmp = typec_switch_get_drvdata(sw); + const struct qmp_phy_cfg *cfg = qmp->cfg; + + if (orientation == qmp->orientation || orientation == TYPEC_ORIENTATION_NONE) + return 0; + + mutex_lock(&qmp->phy_mutex); + qmp->orientation = orientation; + + if (qmp->init_count) { + if (qmp->usb_init_count) + qmp_combo_usb_power_off(qmp->usb_phy); + qmp_combo_com_exit(qmp, true); + + qmp_combo_com_init(qmp, true); + if (qmp->usb_init_count) + qmp_combo_usb_power_on(qmp->usb_phy); + if (qmp->dp_init_count) + cfg->dp_aux_init(qmp); + } + mutex_unlock(&qmp->phy_mutex); + + return 0; +} + +static void qmp_combo_typec_unregister(void *data) +{ + struct qmp_combo *qmp = data; + + typec_switch_unregister(qmp->sw); +} + +static int qmp_combo_typec_switch_register(struct qmp_combo *qmp) +{ + struct typec_switch_desc sw_desc = {}; + struct device *dev = qmp->dev; + + sw_desc.drvdata = qmp; + sw_desc.fwnode = dev->fwnode; + sw_desc.set = qmp_combo_typec_switch_set; + qmp->sw = typec_switch_register(dev, &sw_desc); + if (IS_ERR(qmp->sw)) { + dev_err(dev, "Unable to register typec switch: %pe\n", qmp->sw); + return PTR_ERR(qmp->sw); + } + + return devm_add_action_or_reset(dev, qmp_combo_typec_unregister, qmp); +} +#else +static int qmp_combo_typec_switch_register(struct qmp_combo *qmp) +{ + return 0; +} +#endif + static int qmp_combo_parse_dt_lecacy_dp(struct qmp_combo *qmp, struct device_node *np) { struct device *dev = qmp->dev; @@ -3403,6 +3474,10 @@ static int qmp_combo_probe(struct platform_device *pdev) if (ret) return ret; + ret = qmp_combo_typec_switch_register(qmp); + if (ret) + return ret; + /* Check for legacy binding with child nodes. */ usb_np = of_get_child_by_name(dev->of_node, "usb3-phy"); if (usb_np) { From patchwork Wed May 10 03:19:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Andersson X-Patchwork-Id: 680975 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 37B27C7EE26 for ; Wed, 10 May 2023 03:20:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235788AbjEJDUz (ORCPT ); Tue, 9 May 2023 23:20:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59528 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235569AbjEJDUQ (ORCPT ); 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Wed, 10 May 2023 03:19:38 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 34A3Jbxg004288 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 10 May 2023 03:19:37 GMT Received: from hu-bjorande-lv.qualcomm.com (10.49.16.6) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.42; Tue, 9 May 2023 20:19:37 -0700 From: Bjorn Andersson To: Vinod Koul , Kishon Vijay Abraham I , Johan Hovold CC: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , , , , , Neil Armstrong , Bryan O'Donoghue , Abel Vesa , Steev Klimaszewski , Johan Hovold Subject: [PATCH v2 6/8] phy: qcom-qmp-combo: Introduce drm_bridge Date: Tue, 9 May 2023 20:19:28 -0700 Message-ID: <20230510031930.1996020-7-quic_bjorande@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230510031930.1996020-1-quic_bjorande@quicinc.com> References: <20230510031930.1996020-1-quic_bjorande@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01b.na.qualcomm.com (10.47.209.197) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: -mLXqGQdSvGu4BcnCseXdXNkJtHeXTFK X-Proofpoint-ORIG-GUID: -mLXqGQdSvGu4BcnCseXdXNkJtHeXTFK X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-09_16,2023-05-05_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 malwarescore=0 priorityscore=1501 impostorscore=0 suspectscore=0 phishscore=0 bulkscore=0 clxscore=1011 adultscore=0 lowpriorityscore=0 mlxscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305100023 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The QMP combo PHY sits in an of_graph connected between the DisplayPort controller and a USB Type-C connector (or possibly a redriver). The TCPM needs to be able to convey the HPD signal to the DisplayPort controller, but no directly link is provided by DeviceTree so the signal needs to "pass through" the QMP combo phy. Handle this by introducing a drm_bridge which upon initialization finds the next bridge (i.e. the usb-c-connector) and chain this together. This way HPD changes in the connector will propagate to the DisplayPort driver. The connector bridge is resolved lazily, as the TCPM is expected to be able to resolve the typec mux and switch at probe time, so the QMP combo phy will probe before the TCPM. Signed-off-by: Bjorn Andersson Acked-by: Neil Armstrong Tested-by: Bryan O'Donoghue Reviewed-by: Bryan O'Donoghue Tested-by: Abel Vesa Tested-by: Steev Klimaszewski Tested-by: Neil Armstrong # on HDK8450 Tested-by: Johan Hovold # X13s Reviewed-by: Johan Hovold --- Changes since v1: - Wrap DRM-related code in CONFIG_DRM guard - Inroduce DRM-dependencies in Kconfig - Dropped dev_err_probe() usage drivers/phy/qualcomm/Kconfig | 2 + drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 46 +++++++++++++++++++++++ 2 files changed, 48 insertions(+) diff --git a/drivers/phy/qualcomm/Kconfig b/drivers/phy/qualcomm/Kconfig index 45330e0f66fe..67a45d95250d 100644 --- a/drivers/phy/qualcomm/Kconfig +++ b/drivers/phy/qualcomm/Kconfig @@ -60,8 +60,10 @@ config PHY_QCOM_QMP_COMBO tristate "Qualcomm QMP Combo PHY Driver" default PHY_QCOM_QMP depends on TYPEC || TYPEC=n + depends on DRM || DRM=n select GENERIC_PHY select MFD_SYSCON + select DRM_PANEL_BRIDGE if DRM help Enable this to support the QMP Combo PHY transceiver that is used with USB3 and DisplayPort controllers on Qualcomm chips. diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c index 52aa2735b841..d500cb8d2eec 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c @@ -22,6 +22,8 @@ #include #include +#include + #include #include "phy-qcom-qmp.h" @@ -1332,6 +1334,8 @@ struct qmp_combo { struct clk_hw dp_link_hw; struct clk_hw dp_pixel_hw; + struct drm_bridge bridge; + struct typec_switch_dev *sw; enum typec_orientation orientation; }; @@ -3274,6 +3278,44 @@ static int qmp_combo_typec_switch_register(struct qmp_combo *qmp) } #endif +#if IS_ENABLED(CONFIG_DRM) +static int qmp_combo_bridge_attach(struct drm_bridge *bridge, + enum drm_bridge_attach_flags flags) +{ + struct qmp_combo *qmp = container_of(bridge, struct qmp_combo, bridge); + struct drm_bridge *next_bridge; + + if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)) + return -EINVAL; + + next_bridge = devm_drm_of_get_bridge(qmp->dev, qmp->dev->of_node, 0, 0); + if (IS_ERR(next_bridge)) { + dev_err(qmp->dev, "failed to acquire drm_bridge: %pe\n", next_bridge); + return PTR_ERR(next_bridge); + } + + return drm_bridge_attach(bridge->encoder, next_bridge, bridge, + DRM_BRIDGE_ATTACH_NO_CONNECTOR); +} + +static const struct drm_bridge_funcs qmp_combo_bridge_funcs = { + .attach = qmp_combo_bridge_attach, +}; + +static int qmp_combo_dp_register_bridge(struct qmp_combo *qmp) +{ + qmp->bridge.funcs = &qmp_combo_bridge_funcs; + qmp->bridge.of_node = qmp->dev->of_node; + + return devm_drm_bridge_add(qmp->dev, &qmp->bridge); +} +#else +static int qmp_combo_dp_register_bridge(struct qmp_combo *qmp) +{ + return 0; +} +#endif + static int qmp_combo_parse_dt_lecacy_dp(struct qmp_combo *qmp, struct device_node *np) { struct device *dev = qmp->dev; @@ -3478,6 +3520,10 @@ static int qmp_combo_probe(struct platform_device *pdev) if (ret) return ret; + ret = qmp_combo_dp_register_bridge(qmp); + if (ret) + return ret; + /* Check for legacy binding with child nodes. */ usb_np = of_get_child_by_name(dev->of_node, "usb3-phy"); if (usb_np) { From patchwork Wed May 10 03:19:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Andersson X-Patchwork-Id: 680591 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 EBE6FC77B7C for ; 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Tue, 9 May 2023 20:19:37 -0700 From: Bjorn Andersson To: Bjorn Andersson , Konrad Dybcio , Johan Hovold CC: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , , , , , Abel Vesa , Steev Klimaszewski , Neil Armstrong , Johan Hovold Subject: [PATCH v2 7/8] arm64: dts: qcom: sc8280xp-crd: Add QMP to SuperSpeed graph Date: Tue, 9 May 2023 20:19:29 -0700 Message-ID: <20230510031930.1996020-8-quic_bjorande@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230510031930.1996020-1-quic_bjorande@quicinc.com> References: <20230510031930.1996020-1-quic_bjorande@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01b.na.qualcomm.com (10.47.209.197) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: 0rXELhCrcRv1Tgwxf2LYTKFJHGXYKhRT X-Proofpoint-ORIG-GUID: 0rXELhCrcRv1Tgwxf2LYTKFJHGXYKhRT X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-09_16,2023-05-05_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 phishscore=0 mlxlogscore=999 malwarescore=0 clxscore=1015 mlxscore=0 suspectscore=0 priorityscore=1501 bulkscore=0 lowpriorityscore=0 spamscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305100024 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org With support for the QMP combo phy to react to USB Type-C switch events, introduce it as the next hop for the SuperSpeed lanes of the two USB Type-C connectors, and connect the output of the DisplayPort controller to the QMP combo phy. This allows the TCPM to perform orientation switching of both USB and DisplayPort signals. Signed-off-by: Bjorn Andersson Tested-by: Abel Vesa Tested-by: Steev Klimaszewski Tested-by: Neil Armstrong # on HDK8450 Tested-by: Johan Hovold # X13s Reviewed-by: Johan Hovold --- Changes since v1: - DP input is port@2 arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 28 ++++++++++++++++--- arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 34 +++++++++++++++++++++++ 2 files changed, 58 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts index 547277924ea3..33c973661fa5 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts +++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts @@ -64,7 +64,7 @@ port@1 { reg = <1>; pmic_glink_con0_ss: endpoint { - remote-endpoint = <&mdss0_dp0_out>; + remote-endpoint = <&usb_0_qmpphy_out>; }; }; @@ -99,7 +99,7 @@ port@1 { reg = <1>; pmic_glink_con1_ss: endpoint { - remote-endpoint = <&mdss0_dp1_out>; + remote-endpoint = <&usb_1_qmpphy_out>; }; }; @@ -412,7 +412,7 @@ &mdss0_dp0 { &mdss0_dp0_out { data-lanes = <0 1>; - remote-endpoint = <&pmic_glink_con0_ss>; + remote-endpoint = <&usb_0_qmpphy_dp_in>; }; &mdss0_dp1 { @@ -421,7 +421,7 @@ &mdss0_dp1 { &mdss0_dp1_out { data-lanes = <0 1>; - remote-endpoint = <&pmic_glink_con1_ss>; + remote-endpoint = <&usb_1_qmpphy_dp_in>; }; &mdss0_dp3 { @@ -670,9 +670,19 @@ &usb_0_qmpphy { vdda-phy-supply = <&vreg_l9d>; vdda-pll-supply = <&vreg_l4d>; + orientation-switch; + status = "okay"; }; +&usb_0_qmpphy_dp_in { + remote-endpoint = <&mdss0_dp0_out>; +}; + +&usb_0_qmpphy_out { + remote-endpoint = <&pmic_glink_con0_ss>; +}; + &usb_0_role_switch { remote-endpoint = <&pmic_glink_con0_hs>; }; @@ -697,9 +707,19 @@ &usb_1_qmpphy { vdda-phy-supply = <&vreg_l4b>; vdda-pll-supply = <&vreg_l3b>; + orientation-switch; + status = "okay"; }; +&usb_1_qmpphy_dp_in { + remote-endpoint = <&mdss0_dp1_out>; +}; + +&usb_1_qmpphy_out { + remote-endpoint = <&pmic_glink_con1_ss>; +}; + &usb_1_role_switch { remote-endpoint = <&pmic_glink_con1_hs>; }; diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi index 0e691bb0120c..19686557efd0 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi @@ -3006,6 +3006,23 @@ usb_0_qmpphy: phy@88eb000 { #phy-cells = <1>; status = "disabled"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + usb_0_qmpphy_out: endpoint {}; + }; + + port@2 { + reg = <2>; + + usb_0_qmpphy_dp_in: endpoint {}; + }; + }; }; usb_1_hsphy: phy@8902000 { @@ -3042,6 +3059,23 @@ usb_1_qmpphy: phy@8903000 { #phy-cells = <1>; status = "disabled"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + usb_1_qmpphy_out: endpoint {}; + }; + + port@2 { + reg = <2>; + + usb_1_qmpphy_dp_in: endpoint {}; + }; + }; }; mdss1_dp0_phy: phy@8909a00 { From patchwork Wed May 10 03:19:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Andersson X-Patchwork-Id: 680592 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 9FC67C7EE23 for ; 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Tue, 9 May 2023 20:19:37 -0700 From: Bjorn Andersson To: Bjorn Andersson , Konrad Dybcio , Johan Hovold CC: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , , , , , Abel Vesa , Steev Klimaszewski , Neil Armstrong , Johan Hovold Subject: [PATCH v2 8/8] arm64: dts: qcom: sc8280xp-x13s: Add QMP to SuperSpeed graph Date: Tue, 9 May 2023 20:19:30 -0700 Message-ID: <20230510031930.1996020-9-quic_bjorande@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230510031930.1996020-1-quic_bjorande@quicinc.com> References: <20230510031930.1996020-1-quic_bjorande@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01b.na.qualcomm.com (10.47.209.197) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: uxAkSTmEYh-NYJ-7FPL9rxvBPITs3Zys X-Proofpoint-GUID: uxAkSTmEYh-NYJ-7FPL9rxvBPITs3Zys X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-09_16,2023-05-05_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 lowpriorityscore=0 malwarescore=0 impostorscore=0 adultscore=0 mlxlogscore=999 mlxscore=0 bulkscore=0 suspectscore=0 phishscore=0 spamscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305100023 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Following the CRD, connect the two QMP phys inbetween the USB Type-C connectors and the DisplayPort controller, to handle orientation switching. Signed-off-by: Bjorn Andersson Tested-by: Abel Vesa Tested-by: Steev Klimaszewski Tested-by: Neil Armstrong # on HDK8450 Tested-by: Johan Hovold # X13s Reviewed-by: Johan Hovold --- Changes since v1: - None .../qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 28 ++++++++++++++++--- 1 file changed, 24 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts index 5ef3f4c07d75..382f27946468 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts +++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts @@ -106,7 +106,7 @@ port@1 { reg = <1>; pmic_glink_con0_ss: endpoint { - remote-endpoint = <&mdss0_dp0_out>; + remote-endpoint = <&usb_0_qmpphy_out>; }; }; @@ -141,7 +141,7 @@ port@1 { reg = <1>; pmic_glink_con1_ss: endpoint { - remote-endpoint = <&mdss0_dp1_out>; + remote-endpoint = <&usb_1_qmpphy_out>; }; }; @@ -554,7 +554,7 @@ &mdss0_dp0 { &mdss0_dp0_out { data-lanes = <0 1>; - remote-endpoint = <&pmic_glink_con0_ss>; + remote-endpoint = <&usb_0_qmpphy_dp_in>; }; &mdss0_dp1 { @@ -563,7 +563,7 @@ &mdss0_dp1 { &mdss0_dp1_out { data-lanes = <0 1>; - remote-endpoint = <&pmic_glink_con1_ss>; + remote-endpoint = <&usb_1_qmpphy_dp_in>; }; &mdss0_dp3 { @@ -1140,9 +1140,19 @@ &usb_0_qmpphy { vdda-phy-supply = <&vreg_l9d>; vdda-pll-supply = <&vreg_l4d>; + orientation-switch; + status = "okay"; }; +&usb_0_qmpphy_dp_in { + remote-endpoint = <&mdss0_dp0_out>; +}; + +&usb_0_qmpphy_out { + remote-endpoint = <&pmic_glink_con0_ss>; +}; + &usb_0_role_switch { remote-endpoint = <&pmic_glink_con0_hs>; }; @@ -1167,9 +1177,19 @@ &usb_1_qmpphy { vdda-phy-supply = <&vreg_l4b>; vdda-pll-supply = <&vreg_l3b>; + orientation-switch; + status = "okay"; }; +&usb_1_qmpphy_dp_in { + remote-endpoint = <&mdss0_dp1_out>; +}; + +&usb_1_qmpphy_out { + remote-endpoint = <&pmic_glink_con1_ss>; +}; + &usb_1_role_switch { remote-endpoint = <&pmic_glink_con1_hs>; };