From patchwork Fri Jul 21 04:35:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Varadarajan Narayanan X-Patchwork-Id: 13321319 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 DE9FDEB64DD for ; Fri, 21 Jul 2023 04:36:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230210AbjGUEg1 (ORCPT ); Fri, 21 Jul 2023 00:36:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45264 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230195AbjGUEgZ (ORCPT ); Fri, 21 Jul 2023 00:36:25 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0049626AC; Thu, 20 Jul 2023 21:36:23 -0700 (PDT) Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36L4TEOT021613; Fri, 21 Jul 2023 04:36:00 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=qcppdkim1; bh=bTmGNcDsh1mW0ErfP8g6PmBVdXOdX2WcwWxxrxMk8GY=; b=pIxpdtF74ki9xRtfcZRs0sSy5UTuWGyQTgDEkqD+w1wiqSU0z3H5MJqfoFY229oYLwNR mDnBX6xfySTq4LRdPjdZhpdRZhmArQ4F59qU7cZcd+/nrnEmg7myFyXieXO85/1fOHVb e09Wf3W9fuT9VuhSLS6qRG9ulak2rTxo/euuUO2TPn1QeGBwa5vJezl2gdIktx+hk3pL RIuRMprnr8ZWNQzVWnyJBiSfYXkIwep74HCl2pRDXejoC1Xp7Ug1aX8+mwW0LxTdTofO guRt8082nIl/h5EbfHRHL1EiIEA7a7TokYhRtdBMFDbrUz1DwqPt0pUeEhX+L/WWBTs1 EQ== Received: from nasanppmta04.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3ry6pv1qba-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 21 Jul 2023 04:35:54 +0000 Received: from nasanex01a.na.qualcomm.com (nasanex01a.na.qualcomm.com [10.52.223.231]) by NASANPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 36L4ZrTb012845 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 21 Jul 2023 04:35:53 GMT Received: from varda-linux.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Thu, 20 Jul 2023 21:35:45 -0700 From: Varadarajan Narayanan To: , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v5 1/6] dt-bindings: usb: dwc3: Add IPQ5332 compatible Date: Fri, 21 Jul 2023 10:05:26 +0530 Message-ID: X-Mailer: git-send-email 2.7.4 In-Reply-To: References: MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: hDjGMbNnHL0JqGOvChPqdH3jwT393Vjp X-Proofpoint-ORIG-GUID: hDjGMbNnHL0JqGOvChPqdH3jwT393Vjp X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-21_01,2023-07-20_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 phishscore=0 spamscore=0 malwarescore=0 adultscore=0 mlxlogscore=660 impostorscore=0 clxscore=1015 priorityscore=1501 mlxscore=0 bulkscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307210041 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Document the IPQ5332 dwc3 compatible. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Varadarajan Narayanan --- v1: Add ipq5332 to interrupts sections --- Documentation/devicetree/bindings/usb/qcom,dwc3.yaml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml b/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml index ae24dac..9447b54 100644 --- a/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml +++ b/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml @@ -14,6 +14,7 @@ properties: items: - enum: - qcom,ipq4019-dwc3 + - qcom,ipq5332-dwc3 - qcom,ipq6018-dwc3 - qcom,ipq8064-dwc3 - qcom,ipq8074-dwc3 @@ -246,6 +247,7 @@ allOf: compatible: contains: enum: + - qcom,ipq5332-dwc3 - qcom,msm8994-dwc3 - qcom,qcs404-dwc3 then: @@ -410,6 +412,7 @@ allOf: compatible: contains: enum: + - qcom,ipq5332-dwc3 - qcom,sdm660-dwc3 then: properties: From patchwork Fri Jul 21 04:35:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Varadarajan Narayanan X-Patchwork-Id: 13321320 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 4563CC001DE for ; Fri, 21 Jul 2023 04:36:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230234AbjGUEgf (ORCPT ); Fri, 21 Jul 2023 00:36:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45282 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230220AbjGUEga (ORCPT ); Fri, 21 Jul 2023 00:36:30 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 96286272C; Thu, 20 Jul 2023 21:36:26 -0700 (PDT) Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36L4SMwC017265; Fri, 21 Jul 2023 04:36:02 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=qcppdkim1; bh=3cijBh2MYUWWKASGgVcdl1Q7Qpp17tWUCe4igEBC22w=; b=SIj5YZ54ab/cKMA940Eja7piILFCVzkeglRlbBr8GwxNRCC60HpHatWCcAFhS/jeLtwx jODQucTkQw5cQHWkHND9YoRGH3xgceOfq06aX4i3FI5uhLyEWiMCe6h19ZSM+i88p8Wo gvsRmkhFSpqAMYYIhf9JpFJDiBtcD1Pswl+9t4GVbtDzzE/wzrG9xBb3WPA4h73yti2Z Tv4q0ZRRkFIS2V/L40qnV3Vj57joE6O8PN8+Wuuq2QYAvH3uLSeL49yuUURZ/Rh3huHo ohb9EuWekVkid3tlSvu+r19/utDuEHU7AFxSo9UvMDX62D3HMf9eEGt11gyegGXHbGBy mA== Received: from nasanppmta01.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3rxup4k2c2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 21 Jul 2023 04:36:02 +0000 Received: from nasanex01a.na.qualcomm.com (nasanex01a.na.qualcomm.com [10.52.223.231]) by NASANPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 36L4a0xO017807 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 21 Jul 2023 04:36:00 GMT Received: from varda-linux.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Thu, 20 Jul 2023 21:35:53 -0700 From: Varadarajan Narayanan To: , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v5 2/6] dt-bindings: phy: qcom,m31: Document qcom,m31 USB phy Date: Fri, 21 Jul 2023 10:05:27 +0530 Message-ID: <131eb1694229436919ac88bb9920fb54d6808388.1689913334.git.quic_varada@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: Qqv4lGOLG0vOSDoZpVZYf9nvQWty-t_L X-Proofpoint-ORIG-GUID: Qqv4lGOLG0vOSDoZpVZYf9nvQWty-t_L X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-21_01,2023-07-20_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 spamscore=0 adultscore=0 mlxlogscore=999 lowpriorityscore=0 suspectscore=0 priorityscore=1501 clxscore=1015 bulkscore=0 mlxscore=0 phishscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307210041 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Document the M31 USB2 phy present in IPQ5332. Signed-off-by: Sricharan Ramabadhran Signed-off-by: Varadarajan Narayanan --- v5: Add '#phy-cells', to be able to use generic phy Remove 'Reviewed-by: Krzysztof Kozlowski' due to above change v4: Move M31 URL to description Remove maxItems and relevant content from clock-names Change node name to generic name 'make dt_binding_check DT_SCHEMA_FILES=qcom' passed v3: Incorporate review comments. Will bring in ipq5018 compatible string while posting ipq5018 usb patchset. v1: Rename qcom,m31.yaml -> qcom,ipq5332-usb-hsphy.yaml Drop default binding "m31,usb-hsphy" Add clock Remove 'oneOf' from compatible Remove 'qscratch' region from register space as it is not needed Remove reset-names Fix the example definition --- .../bindings/phy/qcom,ipq5332-usb-hsphy.yaml | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/qcom,ipq5332-usb-hsphy.yaml diff --git a/Documentation/devicetree/bindings/phy/qcom,ipq5332-usb-hsphy.yaml b/Documentation/devicetree/bindings/phy/qcom,ipq5332-usb-hsphy.yaml new file mode 100644 index 0000000..e0b282b --- /dev/null +++ b/Documentation/devicetree/bindings/phy/qcom,ipq5332-usb-hsphy.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/qcom,ipq5332-usb-hsphy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: M31 USB PHY + +maintainers: + - Sricharan Ramabadhran + - Varadarajan Narayanan + +description: + USB M31 PHY (https://www.m31tech.com) found in Qualcomm + IPQ5018, IPQ5332 SoCs. + +properties: + "#phy-cells": + const: 0 + + compatible: + enum: + - qcom,ipq5332-usb-hsphy + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: cfg_ahb + + resets: + maxItems: 1 + +additionalProperties: false + +examples: + - | + #include + usbphy0: usb-phy@7b000 { + compatible = "qcom,ipq5332-usb-hsphy"; + reg = <0x0007b000 0x12c>; + + clocks = <&gcc GCC_USB0_PHY_CFG_AHB_CLK>; + clock-names = "cfg_ahb"; + + resets = <&gcc GCC_QUSB2_0_PHY_BCR>; + }; From patchwork Fri Jul 21 04:35:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Varadarajan Narayanan X-Patchwork-Id: 13321336 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 8DB96EB64DD for ; Fri, 21 Jul 2023 04:37:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230286AbjGUEhH (ORCPT ); Fri, 21 Jul 2023 00:37:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45306 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230249AbjGUEg4 (ORCPT ); Fri, 21 Jul 2023 00:36:56 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0604F2D53; 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Fri, 21 Jul 2023 04:36:09 +0000 Received: from nasanex01a.na.qualcomm.com (nasanex01a.na.qualcomm.com [10.52.223.231]) by NASANPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 36L4a8rG025724 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 21 Jul 2023 04:36:08 GMT Received: from varda-linux.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Thu, 20 Jul 2023 21:36:00 -0700 From: Varadarajan Narayanan To: , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v5 3/6] phy: qcom-m31: Introduce qcom,m31 USB phy driver Date: Fri, 21 Jul 2023 10:05:28 +0530 Message-ID: <068a44b38a01740b06ea3646611c8dfdacf3f7b0.1689913334.git.quic_varada@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: OP3EHA9qSjsbQBDw8LzOWuV1Bpe2VAIn X-Proofpoint-ORIG-GUID: OP3EHA9qSjsbQBDw8LzOWuV1Bpe2VAIn X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-21_01,2023-07-20_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 spamscore=0 mlxscore=0 lowpriorityscore=0 bulkscore=0 phishscore=0 adultscore=0 priorityscore=1501 impostorscore=0 clxscore=1015 malwarescore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307210041 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add the M31 USB2 phy driver. Signed-off-by: Varadarajan Narayanan --- v5: Kconfig and Makefile:- place snippet according to sorted order Use generic phy instead of usb-phy Use ARRAY_SIZE for reg init instead of blank last entry Fix copyright year v4: Remove unused enum Error handling for devm_clk_get v1: Combine driver, makefile and kconfig into 1 patch Remove 'qscratch' region and its usage. The controller driver takes care of those settings Use compatible/data to handle ipq5332 init Drop the default case Get resources by index instead of name as there is only one resource Add clock Fix review comments in the driver --- drivers/phy/qualcomm/Kconfig | 11 ++ drivers/phy/qualcomm/Makefile | 1 + drivers/phy/qualcomm/phy-qcom-m31.c | 264 ++++++++++++++++++++++++++++++++++++ 3 files changed, 276 insertions(+) create mode 100644 drivers/phy/qualcomm/phy-qcom-m31.c diff --git a/drivers/phy/qualcomm/Kconfig b/drivers/phy/qualcomm/Kconfig index ced6038..d638906 100644 --- a/drivers/phy/qualcomm/Kconfig +++ b/drivers/phy/qualcomm/Kconfig @@ -143,6 +143,17 @@ config PHY_QCOM_EUSB2_REPEATER PMICs. The repeater is paired with a Synopsys eUSB2 Phy on Qualcomm SOCs. +config PHY_QCOM_M31_USB + tristate "Qualcomm M31 HS PHY driver support" + depends on (USB || USB_GADGET) && ARCH_QCOM + select USB_PHY + help + Enable this to support M31 HS PHY transceivers on Qualcomm chips + with DWC3 USB core. It handles PHY initialization, clock + management required after resetting the hardware and power + management. This driver is required even for peripheral only or + host only mode configurations. + config PHY_QCOM_USB_HS tristate "Qualcomm USB HS PHY module" depends on USB_ULPI_BUS diff --git a/drivers/phy/qualcomm/Makefile b/drivers/phy/qualcomm/Makefile index df94581..ffd609a 100644 --- a/drivers/phy/qualcomm/Makefile +++ b/drivers/phy/qualcomm/Makefile @@ -4,6 +4,7 @@ obj-$(CONFIG_PHY_QCOM_APQ8064_SATA) += phy-qcom-apq8064-sata.o obj-$(CONFIG_PHY_QCOM_EDP) += phy-qcom-edp.o obj-$(CONFIG_PHY_QCOM_IPQ4019_USB) += phy-qcom-ipq4019-usb.o obj-$(CONFIG_PHY_QCOM_IPQ806X_SATA) += phy-qcom-ipq806x-sata.o +obj-$(CONFIG_PHY_QCOM_M31_USB) += phy-qcom-m31.o obj-$(CONFIG_PHY_QCOM_PCIE2) += phy-qcom-pcie2.o obj-$(CONFIG_PHY_QCOM_QMP_COMBO) += phy-qcom-qmp-combo.o diff --git a/drivers/phy/qualcomm/phy-qcom-m31.c b/drivers/phy/qualcomm/phy-qcom-m31.c new file mode 100644 index 0000000..4627425 --- /dev/null +++ b/drivers/phy/qualcomm/phy-qcom-m31.c @@ -0,0 +1,264 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2014-2016, 2020-2023, The Linux Foundation. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define USB2PHY_PORT_UTMI_CTRL1 0x40 + +#define USB2PHY_PORT_UTMI_CTRL2 0x44 + #define UTMI_ULPI_SEL BIT(7) + #define UTMI_TEST_MUX_SEL BIT(6) + +#define HS_PHY_CTRL_REG 0x10 + #define UTMI_OTG_VBUS_VALID BIT(20) + #define SW_SESSVLD_SEL BIT(28) + +#define USB_PHY_UTMI_CTRL0 0x3c + +#define USB_PHY_UTMI_CTRL5 0x50 + #define POR_EN BIT(1) + +#define USB_PHY_HS_PHY_CTRL_COMMON0 0x54 + #define COMMONONN BIT(7) + #define FSEL BIT(4) + #define RETENABLEN BIT(3) + #define FREQ_24MHZ (GENMASK(6, 6) | GENMASK(4, 4)) + +#define USB_PHY_HS_PHY_CTRL2 0x64 + #define USB2_SUSPEND_N_SEL BIT(3) + #define USB2_SUSPEND_N BIT(2) + #define USB2_UTMI_CLK_EN BIT(1) + +#define USB_PHY_CFG0 0x94 + #define UTMI_PHY_OVERRIDE_EN BIT(1) + +#define USB_PHY_REFCLK_CTRL 0xa0 + #define CLKCORE BIT(1) + +#define USB2PHY_PORT_POWERDOWN 0xa4 + #define POWER_UP BIT(0) + #define POWER_DOWN 0 + +#define USB_PHY_FSEL_SEL 0xb8 + #define FREQ_SEL BIT(0) + +#define USB2PHY_USB_PHY_M31_XCFGI_1 0xbc + #define USB2_0_TX_ENABLE BIT(2) + +#define USB2PHY_USB_PHY_M31_XCFGI_4 0xc8 + #define HSTX_SLEW_RATE_565PS GENMASK(1, 0) + #define PLL_CHARGING_PUMP_CURRENT_35UA GENMASK(4, 3) + #define ODT_VALUE_38_02_OHM GENMASK(7, 6) + +#define USB2PHY_USB_PHY_M31_XCFGI_5 0xcc + #define ODT_VALUE_45_02_OHM BIT(2) + #define HSTX_PRE_EMPHASIS_LEVEL_0_55MA BIT(0) + +#define USB2PHY_USB_PHY_M31_XCFGI_11 0xe4 + #define XCFG_COARSE_TUNE_NUM BIT(1) + #define XCFG_FINE_TUNE_NUM BIT(3) + +struct m31_phy_regs { + u32 off; + u32 val; + u32 delay; +}; + +struct m31_priv_data { + bool ulpi_mode; + const struct m31_phy_regs *regs; + const int nregs; +}; + +#define M31_REG(__o, __v, __d) \ + { .off = __o, .val = __v, .delay = __d } + +struct m31_phy_regs m31_ipq5332_regs[] = { + M31_REG(USB_PHY_CFG0, UTMI_PHY_OVERRIDE_EN, 0), + M31_REG(USB_PHY_UTMI_CTRL5, POR_EN, 15), + M31_REG(USB_PHY_FSEL_SEL, FREQ_SEL, 0), + M31_REG(USB_PHY_HS_PHY_CTRL_COMMON0, + COMMONONN | FREQ_24MHZ | RETENABLEN, 0), + M31_REG(USB_PHY_UTMI_CTRL5, POR_EN, 0), + M31_REG(USB_PHY_HS_PHY_CTRL2, + USB2_SUSPEND_N_SEL | USB2_SUSPEND_N | USB2_UTMI_CLK_EN, 0), + M31_REG(USB2PHY_USB_PHY_M31_XCFGI_11, + XCFG_COARSE_TUNE_NUM | XCFG_FINE_TUNE_NUM, 0), + M31_REG(USB2PHY_USB_PHY_M31_XCFGI_4, + HSTX_SLEW_RATE_565PS | PLL_CHARGING_PUMP_CURRENT_35UA | + ODT_VALUE_38_02_OHM, 0), + M31_REG(USB2PHY_USB_PHY_M31_XCFGI_1, USB2_0_TX_ENABLE, 0), + M31_REG(USB2PHY_USB_PHY_M31_XCFGI_5, + ODT_VALUE_45_02_OHM | HSTX_PRE_EMPHASIS_LEVEL_0_55MA, 4), + M31_REG(USB_PHY_UTMI_CTRL5, 0x0, 0), + M31_REG(USB_PHY_HS_PHY_CTRL2, USB2_SUSPEND_N | USB2_UTMI_CLK_EN, 0), +}; + +struct m31usb_phy { + struct phy *phy; + void __iomem *base; + const struct m31_phy_regs *regs; + int nregs; + + struct clk *cfg_ahb_clk; + struct reset_control *phy_reset; + + bool cable_connected; + bool suspended; + bool ulpi_mode; +}; + +static void m31usb_phy_enable_clock(struct m31usb_phy *qphy) +{ + const struct m31_phy_regs *regs = qphy->regs; + int i; + + for (i = 0; i < qphy->nregs; i++) { + writel(regs[i].val, qphy->base + regs[i].off); + if (regs[i].delay) + udelay(regs[i].delay); + } +} + +static int m31usb_phy_init(struct phy *phy) +{ + int ret; + struct m31usb_phy *qphy = phy_get_drvdata(phy); + + ret = clk_prepare_enable(qphy->cfg_ahb_clk); + if (ret) { + dev_err(&phy->dev, "failed to enable cfg ahb clock, %d\n", ret); + return ret; + } + + /* Perform phy reset */ + reset_control_assert(qphy->phy_reset); + udelay(5); + reset_control_deassert(qphy->phy_reset); + + /* configure for ULPI mode if requested */ + if (qphy->ulpi_mode) + writel(0x0, qphy->base + USB2PHY_PORT_UTMI_CTRL2); + + /* Enable the PHY */ + writel(POWER_UP, qphy->base + USB2PHY_PORT_POWERDOWN); + + /* Make sure above write completed */ + wmb(); + + /* Turn on phy ref clock */ + m31usb_phy_enable_clock(qphy); + + return 0; +} + +static int m31usb_phy_shutdown(struct phy *phy) +{ + struct m31usb_phy *qphy = phy_get_drvdata(phy); + + /* Disable the PHY */ + writel_relaxed(POWER_DOWN, qphy->base + USB2PHY_PORT_POWERDOWN); + /* Make sure above write completed */ + wmb(); + + clk_disable_unprepare(qphy->cfg_ahb_clk); + + return 0; +} + +static const struct phy_ops m31usb_phy_gen_ops = { + .power_on = m31usb_phy_init, + .power_off = m31usb_phy_shutdown, + .owner = THIS_MODULE, +}; + +static int m31usb_phy_probe(struct platform_device *pdev) +{ + const struct m31_priv_data *data; + struct device *dev = &pdev->dev; + struct m31usb_phy *qphy; + struct phy_provider *phy_provider; + int ret; + + qphy = devm_kzalloc(dev, sizeof(*qphy), GFP_KERNEL); + if (!qphy) + return -ENOMEM; + + qphy->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(qphy->base)) + return PTR_ERR(qphy->base); + + qphy->phy_reset = devm_reset_control_get_exclusive_by_index(dev, 0); + if (IS_ERR(qphy->phy_reset)) + return PTR_ERR(qphy->phy_reset); + + qphy->cfg_ahb_clk = devm_clk_get(dev, "cfg_ahb"); + if (IS_ERR(qphy->cfg_ahb_clk)) { + ret = PTR_ERR(qphy->cfg_ahb_clk); + dev_err(dev, "failed to get cfg_ahb clock, %d\n", ret); + return ret; + } + + platform_set_drvdata(pdev, qphy); + + data = of_device_get_match_data(dev); + qphy->regs = data->regs; + qphy->nregs = data->nregs; + qphy->ulpi_mode = data->ulpi_mode; + + qphy->phy = devm_phy_create(dev, NULL, &m31usb_phy_gen_ops); + if (IS_ERR(qphy->phy)) { + ret = PTR_ERR(qphy->phy); + dev_err(dev, "failed to create phy, %d\n", ret); + qphy->phy = NULL; + return ret; + } + + dev_set_drvdata(dev, qphy); + phy_set_drvdata(qphy->phy, qphy); + + phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); + if (!IS_ERR(phy_provider)) + dev_info(dev, "Registered M31 USB phy\n"); + + return PTR_ERR_OR_ZERO(phy_provider); +} + +static const struct m31_priv_data m31_ipq5332_data = { + .ulpi_mode = false, + .regs = m31_ipq5332_regs, + .nregs = ARRAY_SIZE(m31_ipq5332_regs), +}; + +static const struct of_device_id m31usb_phy_id_table[] = { + { .compatible = "qcom,ipq5332-usb-hsphy", .data = &m31_ipq5332_data }, + { }, +}; +MODULE_DEVICE_TABLE(of, m31usb_phy_id_table); + +static struct platform_driver m31usb_phy_driver = { + .probe = m31usb_phy_probe, + .driver = { + .name = "qcom-m31usb-phy", + .of_match_table = m31usb_phy_id_table, + }, +}; + +module_platform_driver(m31usb_phy_driver); + +MODULE_DESCRIPTION("USB2 Qualcomm M31 HSPHY driver"); +MODULE_LICENSE("GPL"); From patchwork Fri Jul 21 04:35:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Varadarajan Narayanan X-Patchwork-Id: 13321337 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 07F6DEB64DD for ; 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Fri, 21 Jul 2023 04:36:17 +0000 Received: from nasanex01a.na.qualcomm.com (nasanex01a.na.qualcomm.com [10.52.223.231]) by NASANPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 36L4aGTS022535 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 21 Jul 2023 04:36:16 GMT Received: from varda-linux.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Thu, 20 Jul 2023 21:36:08 -0700 From: Varadarajan Narayanan To: , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v5 4/6] arm64: dts: qcom: ipq5332: Add USB related nodes Date: Fri, 21 Jul 2023 10:05:29 +0530 Message-ID: X-Mailer: git-send-email 2.7.4 In-Reply-To: References: MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: Zhz-Af6lw97m8j2pXHM44kNTXNO8tDEd X-Proofpoint-ORIG-GUID: Zhz-Af6lw97m8j2pXHM44kNTXNO8tDEd X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-21_02,2023-07-20_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 mlxscore=0 spamscore=0 priorityscore=1501 mlxlogscore=670 bulkscore=0 impostorscore=0 phishscore=0 suspectscore=0 lowpriorityscore=0 malwarescore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307210041 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add USB phy and controller nodes. Signed-off-by: Varadarajan Narayanan --- v5: Use generic phy instead of usb-phy 'make CHECK_DTBS=y DT_SCHEMA_FILES=qcom dtbs_check' passed 'DT_CHECKER_FLAGS='-v -m' DT_SCHEMA_FILES=qcom dt_binding_check' passed v4: Change node name Remove blank line 'make CHECK_DTBS=y DT_SCHEMA_FILES=qcom qcom/ipq5332-rdp441.dtb' passed v1: Rename phy node Change compatible from m31,ipq5332-usb-hsphy -> qcom,ipq5332-usb-hsphy Remove 'qscratch' from phy node Fix alignment and upper-case hex no.s Add clock definition for the phy Remove snps,ref-clock-period-ns as it is not used. dwc3_ref_clk_period() in dwc3/core.c takes the frequency from ref clock and calculates fladj as appropriate. --- arch/arm64/boot/dts/qcom/ipq5332.dtsi | 56 +++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/ipq5332.dtsi b/arch/arm64/boot/dts/qcom/ipq5332.dtsi index 8bfc2db..a22f340 100644 --- a/arch/arm64/boot/dts/qcom/ipq5332.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq5332.dtsi @@ -405,6 +405,62 @@ status = "disabled"; }; }; + + usbphy0: usb-phy@7b000 { + compatible = "qcom,ipq5332-usb-hsphy"; + reg = <0x0007b000 0x12c>; + + clocks = <&gcc GCC_USB0_PHY_CFG_AHB_CLK>; + clock-names = "cfg_ahb"; + + resets = <&gcc GCC_QUSB2_0_PHY_BCR>; + + #phy-cells = <0>; + + status = "disabled"; + }; + + usb2: usb2@8a00000 { + compatible = "qcom,ipq5332-dwc3", "qcom,dwc3"; + reg = <0x08af8800 0x400>; + + interrupts = ; + interrupt-names = "hs_phy_irq"; + + clocks = <&gcc GCC_USB0_MASTER_CLK>, + <&gcc GCC_SNOC_USB_CLK>, + <&gcc GCC_USB0_SLEEP_CLK>, + <&gcc GCC_USB0_MOCK_UTMI_CLK>; + clock-names = "core", + "iface", + "sleep", + "mock_utmi"; + + resets = <&gcc GCC_USB_BCR>; + + qcom,select-utmi-as-pipe-clk; + + #address-cells = <1>; + #size-cells = <1>; + ranges; + + status = "disabled"; + + usb2_0_dwc: usb@8a00000 { + compatible = "snps,dwc3"; + reg = <0x08a00000 0xe000>; + clocks = <&gcc GCC_USB0_MOCK_UTMI_CLK>; + clock-names = "ref"; + interrupts = ; + phy-names = "usb2-phy"; + phys = <&usbphy0>; + tx-fifo-resize; + snps,is-utmi-l1-suspend; + snps,hird-threshold = /bits/ 8 <0x0>; + snps,dis_u2_susphy_quirk; + snps,dis_u3_susphy_quirk; + }; + }; }; timer { From patchwork Fri Jul 21 04:35:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Varadarajan Narayanan X-Patchwork-Id: 13321338 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 D462DEB64DD for ; Fri, 21 Jul 2023 04:37:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230366AbjGUEhq (ORCPT ); Fri, 21 Jul 2023 00:37:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45306 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230274AbjGUEhY (ORCPT ); Fri, 21 Jul 2023 00:37:24 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7EAAE271D; 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Signed-off-by: Varadarajan Narayanan --- v1: Enable usb-phy node --- arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts b/arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts index f96b0c8..f5dea16 100644 --- a/arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts +++ b/arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts @@ -79,3 +79,15 @@ bias-pull-up; }; }; + +&usbphy0 { + status = "okay"; +}; + +&usb2 { + status = "okay"; +}; + +&usb2_0_dwc { + dr_mode = "host"; +}; From patchwork Fri Jul 21 04:35:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Varadarajan Narayanan X-Patchwork-Id: 13321339 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 7C721EB64DD for ; Fri, 21 Jul 2023 04:38:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230388AbjGUEh4 (ORCPT ); Fri, 21 Jul 2023 00:37:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46106 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229937AbjGUEhc (ORCPT ); Fri, 21 Jul 2023 00:37:32 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0F5022D7D; Thu, 20 Jul 2023 21:36:59 -0700 (PDT) Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36L3kD97002866; Fri, 21 Jul 2023 04:36:33 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=qcppdkim1; bh=l1y/UsCTAY05inK8sGX65oj93CvTM8Lbh5TpQaHqppA=; b=HZd5ZI9rdQ7owsxKnDOqqvfCbPNH0cT8OQJEDY3Sgt44rPDEtHRlWmCNLHuv1/yCJohL brO+nxdIcAWe75FVvGVV4cUF1nHjAnXc31E9L4ZzduEBJtmB/qyAof68fhh94JYfdk8g sUVPXZCSfyjfsX7GjBIZNGFbJdTlCnfP3j9miudr2dNr6Kube7zwIJOnPephzLWveDq6 PZMxy6JMWOsdInXUtL0ER3cfvf1yVM7EsLbB1uvNxgDiwyAhebsBW2X+coVFDEF5HS0G j1MSJmZRWtkrtywAGaPXfG0vY42phMMB44+TjZlro9qpM/KCcaG4p/9ytiwOGBT2JZ8M Hw== Received: from nasanppmta05.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3ry3y1j5m1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 21 Jul 2023 04:36:32 +0000 Received: from nasanex01a.na.qualcomm.com (nasanex01a.na.qualcomm.com [10.52.223.231]) by NASANPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 36L4aW4b012880 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 21 Jul 2023 04:36:32 GMT Received: from varda-linux.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Thu, 20 Jul 2023 21:36:24 -0700 From: Varadarajan Narayanan To: , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v5 6/6] arm64: defconfig: Enable M31 USB phy driver Date: Fri, 21 Jul 2023 10:05:31 +0530 Message-ID: <75ecdc497d58ecb6d0cbb067c23fe72193de5493.1689913334.git.quic_varada@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: -Dt6IeC_7PyzHzRS4NsMsBURV4GlRIWB X-Proofpoint-ORIG-GUID: -Dt6IeC_7PyzHzRS4NsMsBURV4GlRIWB X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-21_02,2023-07-20_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 mlxscore=0 spamscore=0 priorityscore=1501 mlxlogscore=452 bulkscore=0 impostorscore=0 phishscore=0 suspectscore=0 lowpriorityscore=0 malwarescore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307210041 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Enable M31 USB phy driver present in IPQ5332. Signed-off-by: Varadarajan Narayanan --- v2: Add full stop to commit log. --- arch/arm64/configs/defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 6cbf6eb..e6d2012 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -1389,6 +1389,7 @@ CONFIG_PHY_QCOM_USB_SNPS_FEMTO_V2=m CONFIG_PHY_QCOM_USB_HS_28NM=m CONFIG_PHY_QCOM_USB_SS=m CONFIG_PHY_QCOM_SGMII_ETH=m +CONFIG_PHY_QCOM_M31_USB=m CONFIG_PHY_R8A779F0_ETHERNET_SERDES=y CONFIG_PHY_RCAR_GEN3_PCIE=y CONFIG_PHY_RCAR_GEN3_USB2=y