From patchwork Mon May 1 14:34:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krishna Kurapati X-Patchwork-Id: 678216 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 A6820C77B73 for ; Mon, 1 May 2023 14:37:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232433AbjEAOhh (ORCPT ); Mon, 1 May 2023 10:37:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48964 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231249AbjEAOhg (ORCPT ); Mon, 1 May 2023 10:37:36 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 34CE410D8; Mon, 1 May 2023 07:36:58 -0700 (PDT) Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 341EALfB027382; Mon, 1 May 2023 14:35:41 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=4pF530tZgMG/5J7d3y0azycEHcz+9LtQvde2BNU5S0M=; b=ZhuhtC0M1GNG+xKLBtwhHQggMZrl9xMtp/Prw4Z2UhZQmTd8pJH1PoaMUzkpnHe4nlm5 Q2CNvc+3qQwO9b/ckqMIxXye+IZkNOGW4n1uV16BN+gKYBNkc471wcjrBbnfVHwf/5UO xs4HEMBNp+Ij5J6clvcNhLPrqz/kwvv5/cM6xc8X0ZUgiI0HlB8Jh+Waqmo7XBTdwpRC X6w3MDBOa9SsnXmiwk+CzZOp4PcNyvK17cXBnUDSA+mUpN1NnYQfUCuWt7IVKn2HmdD+ oV8Ah7B9fFouWfZjnsR52sU1NWDNGJv8dr+zzTMwkHhFd0EL11wl2kW9X7VkQewXL+P2 gw== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3q8umg3p0h-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 01 May 2023 14:35:41 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 341EZdfZ010296 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 1 May 2023 14:35:39 GMT Received: from hu-kriskura-hyd.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 15.2.986.42; Mon, 1 May 2023 07:35:33 -0700 From: Krishna Kurapati To: Thinh Nguyen , Greg Kroah-Hartman , Philipp Zabel , "Andy Gross" , Bjorn Andersson , "Konrad Dybcio" , Rob Herring , Krzysztof Kozlowski , Felipe Balbi , Wesley Cheng CC: , , , , , , , , , , Krishna Kurapati Subject: [PATCH v7 6/9] usb: dwc3: qcom: Add multiport controller support for qcom wrapper Date: Mon, 1 May 2023 20:04:42 +0530 Message-ID: <20230501143445.3851-7-quic_kriskura@quicinc.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230501143445.3851-1-quic_kriskura@quicinc.com> References: <20230501143445.3851-1-quic_kriskura@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: Hqv2ODrEeXe0K2S94dYXSgL5JvimmbUF X-Proofpoint-ORIG-GUID: Hqv2ODrEeXe0K2S94dYXSgL5JvimmbUF 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=2023-05-01_07,2023-04-27_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 spamscore=0 impostorscore=0 mlxlogscore=994 mlxscore=0 adultscore=0 suspectscore=0 clxscore=1015 priorityscore=1501 malwarescore=0 bulkscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2305010115 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org QCOM SoC SA8295P's tertiary quad port controller supports 2 HS+SS ports and 2 HS only ports. Add support for configuring PWR_EVENT_IRQ's for all the ports during suspend/resume. Signed-off-by: Krishna Kurapati --- drivers/usb/dwc3/dwc3-qcom.c | 28 ++++++++++++++++++++++------ 1 file changed, 22 insertions(+), 6 deletions(-) diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c index 959fc925ca7c..7a9bce66295d 100644 --- a/drivers/usb/dwc3/dwc3-qcom.c +++ b/drivers/usb/dwc3/dwc3-qcom.c @@ -37,7 +37,10 @@ #define PIPE3_PHYSTATUS_SW BIT(3) #define PIPE_UTMI_CLK_DIS BIT(8) -#define PWR_EVNT_IRQ_STAT_REG 0x58 +#define PWR_EVNT_IRQ1_STAT_REG 0x58 +#define PWR_EVNT_IRQ2_STAT_REG 0x1dc +#define PWR_EVNT_IRQ3_STAT_REG 0x228 +#define PWR_EVNT_IRQ4_STAT_REG 0x238 #define PWR_EVNT_LPM_IN_L2_MASK BIT(4) #define PWR_EVNT_LPM_OUT_L2_MASK BIT(5) @@ -93,6 +96,13 @@ struct dwc3_qcom { struct icc_path *icc_path_apps; }; +static u32 pwr_evnt_irq_stat_reg_offset[4] = { + PWR_EVNT_IRQ1_STAT_REG, + PWR_EVNT_IRQ2_STAT_REG, + PWR_EVNT_IRQ3_STAT_REG, + PWR_EVNT_IRQ4_STAT_REG, +}; + static inline void dwc3_qcom_setbits(void __iomem *base, u32 offset, u32 val) { u32 reg; @@ -413,13 +423,16 @@ static int dwc3_qcom_suspend(struct dwc3_qcom *qcom, bool wakeup) { u32 val; int i, ret; + struct dwc3 *dwc = platform_get_drvdata(qcom->dwc3); if (qcom->is_suspended) return 0; - val = readl(qcom->qscratch_base + PWR_EVNT_IRQ_STAT_REG); - if (!(val & PWR_EVNT_LPM_IN_L2_MASK)) - dev_err(qcom->dev, "HS-PHY not in L2\n"); + for (i = 0; i < dwc->num_usb2_ports; i++) { + val = readl(qcom->qscratch_base + pwr_evnt_irq_stat_reg_offset[i]); + if (!(val & PWR_EVNT_LPM_IN_L2_MASK)) + dev_err(qcom->dev, "HS-PHY%d not in L2\n", i); + } for (i = qcom->num_clocks - 1; i >= 0; i--) clk_disable_unprepare(qcom->clks[i]); @@ -446,6 +459,7 @@ static int dwc3_qcom_resume(struct dwc3_qcom *qcom, bool wakeup) { int ret; int i; + struct dwc3 *dwc = platform_get_drvdata(qcom->dwc3); if (!qcom->is_suspended) return 0; @@ -467,8 +481,10 @@ static int dwc3_qcom_resume(struct dwc3_qcom *qcom, bool wakeup) dev_warn(qcom->dev, "failed to enable interconnect: %d\n", ret); /* Clear existing events from PHY related to L2 in/out */ - dwc3_qcom_setbits(qcom->qscratch_base, PWR_EVNT_IRQ_STAT_REG, - PWR_EVNT_LPM_IN_L2_MASK | PWR_EVNT_LPM_OUT_L2_MASK); + for (i = 0; i < dwc->num_usb2_ports; i++) + dwc3_qcom_setbits(qcom->qscratch_base, + pwr_evnt_irq_stat_reg_offset[i], + PWR_EVNT_LPM_IN_L2_MASK | PWR_EVNT_LPM_OUT_L2_MASK); qcom->is_suspended = false;