From patchwork Tue Jul 11 08:51:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Varadarajan Narayanan X-Patchwork-Id: 13308283 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 7B1FCC001DE for ; Tue, 11 Jul 2023 08:52:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231359AbjGKIwa (ORCPT ); Tue, 11 Jul 2023 04:52:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57270 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231260AbjGKIw2 (ORCPT ); Tue, 11 Jul 2023 04:52:28 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B6A2C116; Tue, 11 Jul 2023 01:52:27 -0700 (PDT) Received: from pps.filterd (m0279865.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36B6Tk3f017499; Tue, 11 Jul 2023 08:52:00 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-type; s=qcppdkim1; bh=m5zDPMjDUmczsmZklZCWVRMSvrMknEgqEwD+AUmnzNI=; b=JM/TgMCxqBKhu3CxWRe+3qHfAW88d2Aq5b6pVYS9V3OMXEuZkTSqh4N64oG9/qvLzAsp Lb4U9oG2e+gyN7kXTkqZWDdbWzSlHhin7wvJY/fT7/K3XOgrS6mqBO1geG9xQN582UOQ Q0UT36dwhCRE9QCOyzkXxH+THoeqjeWH55UUJsm+C/XxECuMAdxmvh3KQxA5KeelmWhY /+cd+/iLpbK8ctik2sHXRB1DI3D56umz9Bs7Qwq0399aYePT1y/4SPLyQC5GShZvdcls JMLUmPRlKZv2HmsmVkzScqHWCnGrw1BqGYZ/TUMzh5TX3JdZRTdYtNMzAU9i8slS+K8I mA== Received: from nasanppmta01.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3rs174rb2k-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 11 Jul 2023 08:52:00 +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 36B8pxll009845 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 11 Jul 2023 08:51:59 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; Tue, 11 Jul 2023 01:51:51 -0700 From: Varadarajan Narayanan To: , , , , , , , , , , , , , , , , , , , , , , , , , , CC: Varadarajan Narayanan Subject: [PATCH v3 1/6] dt-bindings: usb: dwc3: Add IPQ5332 compatible Date: Tue, 11 Jul 2023 14:21:07 +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: nasanex01a.na.qualcomm.com (10.52.223.231) 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: tZtZw9p1tOaVmjCBJ9JuPwl5x5SXsXgA X-Proofpoint-ORIG-GUID: tZtZw9p1tOaVmjCBJ9JuPwl5x5SXsXgA 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=2023-07-11_04,2023-07-06_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 suspectscore=0 lowpriorityscore=0 mlxlogscore=645 spamscore=0 malwarescore=0 bulkscore=0 priorityscore=1501 clxscore=1015 adultscore=0 phishscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307110078 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Document the IPQ5332 dwc3 compatible. Signed-off-by: Varadarajan Narayanan Reviewed-by: Krzysztof Kozlowski --- 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 Tue Jul 11 08:51:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Varadarajan Narayanan X-Patchwork-Id: 13308285 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 1F47DEB64DD for ; Tue, 11 Jul 2023 08:52:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231659AbjGKIwl (ORCPT ); Tue, 11 Jul 2023 04:52:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57416 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231520AbjGKIwi (ORCPT ); Tue, 11 Jul 2023 04:52:38 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3EFDFE4F; Tue, 11 Jul 2023 01:52:33 -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 36B6VlHp014648; Tue, 11 Jul 2023 08:52:08 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-type; s=qcppdkim1; bh=+8b57zQ4pEjMUHDbw5SDvUkRPp3ZddnuAnUlZFYVFOM=; b=pTVoJgyBs0wnRF5h2ogCGcjYxzBY/3f5jdwNS8GQw7InzgAtnnk2o7tlCiWoVibvAedh K/vIGWM2mqQ6iW3l7hhMQLTly2PTC6pfnUBlIHZbQ9tFRpVGpptn8gSmA/iCXpf9Oakc 0MJ+jO/hYhRo/cITwkCmIwPZs3PBu6JouR18xsUMZwNUIvzYhNtIopM64RXvjKvD4Nq0 PdGJihEnw1qeOo8fguCb2Dbhi1NPHHjsnEkt7aSE7TRpt1haLl4ZEBlbrU0cFzBvgXLq sg2oSQt0sXRqR2tlyG99vCHO2qx6Rbw0zYbG/t+7OjrIPMKvoK4+5cB8I/iLwCnyomkA aQ== Received: from nasanppmta04.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3rs1mnra5u-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 11 Jul 2023 08:52:08 +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 36B8q7Uk017497 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 11 Jul 2023 08:52:07 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; Tue, 11 Jul 2023 01:51:59 -0700 From: Varadarajan Narayanan To: , , , , , , , , , , , , , , , , , , , , , , , , , , CC: Varadarajan Narayanan Subject: [PATCH v3 2/6] dt-bindings: phy: qcom,m31: Document qcom,m31 USB phy Date: Tue, 11 Jul 2023 14:21:08 +0530 Message-ID: <77fe66271044a18871e1dfb80bbb481617197d18.1689065318.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: nasanex01a.na.qualcomm.com (10.52.223.231) 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-ORIG-GUID: OpErZ2xAMTxhGd1g04IXjDs-bbZMLqVP X-Proofpoint-GUID: OpErZ2xAMTxhGd1g04IXjDs-bbZMLqVP 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=2023-07-11_04,2023-07-06_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 adultscore=0 spamscore=0 priorityscore=1501 mlxscore=0 bulkscore=0 mlxlogscore=999 malwarescore=0 impostorscore=0 lowpriorityscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307110078 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Document the M31 USB2 phy present in IPQ5332. Signed-off-by: Sricharan Ramabadhran Signed-off-by: Varadarajan Narayanan --- 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 | 49 ++++++++++++++++++++++ 1 file changed, 49 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..2cfdd73 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/qcom,ipq5332-usb-hsphy.yaml @@ -0,0 +1,49 @@ +# 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 (https://www.m31tech.com) USB PHY + +maintainers: + - Sricharan Ramabadhran + - Varadarajan Narayanan + +description: + USB M31 PHY found in Qualcomm IPQ5018, IPQ5332 SoCs. + +properties: + compatible: + enum: + - qcom,ipq5332-usb-hsphy + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + maxItems: 1 + contains: + items: + - const: cfg_ahb + + resets: + maxItems: 1 + +additionalProperties: false + +examples: + - | + #include + usbphy0: ipq5332-hsphy@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 Tue Jul 11 08:51:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Varadarajan Narayanan X-Patchwork-Id: 13308286 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 4FD4DC001DF for ; Tue, 11 Jul 2023 08:53:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231408AbjGKIxH (ORCPT ); Tue, 11 Jul 2023 04:53:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57860 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231784AbjGKIwy (ORCPT ); Tue, 11 Jul 2023 04:52:54 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6470C1721; 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Tue, 11 Jul 2023 08:52:16 +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 36B8qFiH017598 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 11 Jul 2023 08:52:15 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; Tue, 11 Jul 2023 01:52:07 -0700 From: Varadarajan Narayanan To: , , , , , , , , , , , , , , , , , , , , , , , , , , CC: Varadarajan Narayanan Subject: [PATCH v3 3/6] phy: qcom-m31: Introduce qcom,m31 USB phy driver Date: Tue, 11 Jul 2023 14:21:09 +0530 Message-ID: <2489ac0b07c14e61bc471716e97237c385daec86.1689065318.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: nasanex01a.na.qualcomm.com (10.52.223.231) 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: I3bPvGbIh0EV3FKKbO-gk-YL-svszeHQ X-Proofpoint-ORIG-GUID: I3bPvGbIh0EV3FKKbO-gk-YL-svszeHQ 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=2023-07-11_04,2023-07-06_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 spamscore=0 impostorscore=0 mlxscore=0 mlxlogscore=999 clxscore=1015 priorityscore=1501 lowpriorityscore=0 phishscore=0 bulkscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307110078 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Add the M31 USB2 phy driver. Signed-off-by: Varadarajan Narayanan --- 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 | 256 ++++++++++++++++++++++++++++++++++++ 3 files changed, 268 insertions(+) create mode 100644 drivers/phy/qualcomm/phy-qcom-m31.c diff --git a/drivers/phy/qualcomm/Kconfig b/drivers/phy/qualcomm/Kconfig index 97ca595..76be191 100644 --- a/drivers/phy/qualcomm/Kconfig +++ b/drivers/phy/qualcomm/Kconfig @@ -197,3 +197,14 @@ config PHY_QCOM_SGMII_ETH help Enable this to support the internal SerDes/SGMII PHY on various Qualcomm chipsets. + +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. diff --git a/drivers/phy/qualcomm/Makefile b/drivers/phy/qualcomm/Makefile index b030858..0b5dd66 100644 --- a/drivers/phy/qualcomm/Makefile +++ b/drivers/phy/qualcomm/Makefile @@ -22,3 +22,4 @@ obj-$(CONFIG_PHY_QCOM_USB_SS) += phy-qcom-usb-ss.o obj-$(CONFIG_PHY_QCOM_USB_SNPS_FEMTO_V2)+= phy-qcom-snps-femto-v2.o obj-$(CONFIG_PHY_QCOM_IPQ806X_USB) += phy-qcom-ipq806x-usb.o obj-$(CONFIG_PHY_QCOM_SGMII_ETH) += phy-qcom-sgmii-eth.o +obj-$(CONFIG_PHY_QCOM_M31_USB) += phy-qcom-m31.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..8700728 --- /dev/null +++ b/drivers/phy/qualcomm/phy-qcom-m31.c @@ -0,0 +1,256 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2014-2016, 2020, The Linux Foundation. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +enum clk_reset_action { + CLK_RESET_DEASSERT = 0, + CLK_RESET_ASSERT = 1 +}; + + +#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 ATERESET ~BIT(0) + +#define USB_PHY_HS_PHY_CTRL_COMMON0 0x54 + #define COMMONONN BIT(7) + #define FSEL BIT(4) + #define RETENABLEN BIT(3) + #define FREQ_24MHZ (5 << 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; +}; + +#define M31_REG(__o, __v, __d) \ + { .off = __o, .val = __v, .delay = __d } + +#define M31_REG_INVALID 0xffffffffu + +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 & ATERESET, 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), + M31_REG(M31_REG_INVALID, 0, 0), +}; + +struct m31usb_phy { + struct usb_phy phy; + void __iomem *base; + const struct m31_phy_regs *regs; + + 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; + + for (; regs->off != M31_REG_INVALID; regs++) { + writel(regs->val, qphy->base + regs->off); + if (regs->delay) + udelay(regs->delay); + } +} + +static int m31usb_phy_init(struct usb_phy *phy) +{ + int ret; + struct m31usb_phy *qphy = container_of(phy, struct m31usb_phy, 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 void m31usb_phy_shutdown(struct usb_phy *phy) +{ + struct m31usb_phy *qphy = container_of(phy, struct m31usb_phy, 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); +} + +static int m31usb_phy_probe(struct platform_device *pdev) +{ + const struct m31_priv_data *data; + struct device *dev = &pdev->dev; + struct m31usb_phy *qphy; + int ret; + + qphy = devm_kzalloc(dev, sizeof(*qphy), GFP_KERNEL); + if (!qphy) + return -ENOMEM; + + qphy->phy.dev = dev; + + 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"); + platform_set_drvdata(pdev, qphy); + + data = of_device_get_match_data(dev); + qphy->regs = data->regs; + qphy->ulpi_mode = data->ulpi_mode; + + qphy->phy.label = "m31-usb-phy"; + qphy->phy.init = m31usb_phy_init; + qphy->phy.shutdown = m31usb_phy_shutdown; + qphy->phy.type = USB_PHY_TYPE_USB2; + + ret = usb_add_phy_dev(&qphy->phy); + + return ret; +} + +static void m31usb_phy_remove(struct platform_device *pdev) +{ + struct m31usb_phy *qphy = platform_get_drvdata(pdev); + + usb_remove_phy(&qphy->phy); +} + +struct m31_priv_data m31_ipq5332_data = { + .ulpi_mode = false, + .regs = 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, + .remove_new = m31usb_phy_remove, + .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 Tue Jul 11 08:51:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Varadarajan Narayanan X-Patchwork-Id: 13308287 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 0FCD6C001DE for ; Tue, 11 Jul 2023 08:53:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231572AbjGKIxV (ORCPT ); Tue, 11 Jul 2023 04:53:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58260 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231543AbjGKIxS (ORCPT ); Tue, 11 Jul 2023 04:53:18 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 962E219A9; 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Tue, 11 Jul 2023 08:52:23 +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 36B8qNht010222 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 11 Jul 2023 08:52:23 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; Tue, 11 Jul 2023 01:52:14 -0700 From: Varadarajan Narayanan To: , , , , , , , , , , , , , , , , , , , , , , , , , , CC: Varadarajan Narayanan Subject: [PATCH v3 4/6] arm64: dts: qcom: ipq5332: Add USB related nodes Date: Tue, 11 Jul 2023 14:21:10 +0530 Message-ID: <23b259b72c8f6faad99f09c37ac8b7b6b027cea1.1689065318.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: nasanex01a.na.qualcomm.com (10.52.223.231) 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: 0cSLzi4nnd9w_6bp2Aykl5YXr9-icBAG X-Proofpoint-ORIG-GUID: 0cSLzi4nnd9w_6bp2Aykl5YXr9-icBAG 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=2023-07-11_04,2023-07-06_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 impostorscore=0 adultscore=0 priorityscore=1501 suspectscore=0 clxscore=1015 mlxlogscore=777 mlxscore=0 phishscore=0 malwarescore=0 spamscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307110078 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Add USB phy and controller nodes. Signed-off-by: Varadarajan Narayanan --- 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 | 54 +++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/ipq5332.dtsi b/arch/arm64/boot/dts/qcom/ipq5332.dtsi index 8bfc2db..c945ff6 100644 --- a/arch/arm64/boot/dts/qcom/ipq5332.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq5332.dtsi @@ -405,6 +405,60 @@ status = "disabled"; }; }; + + usbphy0: ipq5332-hsphy@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>; + + 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 = ; + usb-phy = <&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 Tue Jul 11 08:51:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Varadarajan Narayanan X-Patchwork-Id: 13308289 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 A2461EB64DC for ; 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Tue, 11 Jul 2023 08:52:31 +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 36B8qUPO012300 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 11 Jul 2023 08:52:30 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; Tue, 11 Jul 2023 01:52:22 -0700 From: Varadarajan Narayanan To: , , , , , , , , , , , , , , , , , , , , , , , , , , CC: Varadarajan Narayanan Subject: [PATCH v3 5/6] arm64: dts: qcom: ipq5332: Enable USB Date: Tue, 11 Jul 2023 14:21:11 +0530 Message-ID: <5e570454abaf5f17f66a9359b884a4d0812700b5.1689065318.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: nasanex01a.na.qualcomm.com (10.52.223.231) 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: 6nut6uj6L4pADwypy2pbrFYZ5Q-POeqj X-Proofpoint-ORIG-GUID: 6nut6uj6L4pADwypy2pbrFYZ5Q-POeqj 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=2023-07-11_04,2023-07-06_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 phishscore=0 malwarescore=0 priorityscore=1501 suspectscore=0 clxscore=1015 mlxlogscore=500 mlxscore=0 spamscore=0 lowpriorityscore=0 adultscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307110078 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Enable USB2 in host mode. 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 Tue Jul 11 08:51:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Varadarajan Narayanan X-Patchwork-Id: 13308288 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 32870C001B0 for ; Tue, 11 Jul 2023 08:53:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231494AbjGKIxc (ORCPT ); Tue, 11 Jul 2023 04:53:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231661AbjGKIx3 (ORCPT ); Tue, 11 Jul 2023 04:53:29 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8209EE56; Tue, 11 Jul 2023 01:53:05 -0700 (PDT) Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36B6sX8N009405; Tue, 11 Jul 2023 08:52:39 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-type; s=qcppdkim1; bh=2T4fWhSe+mQVomdVoARjDRyJ2B1YT3HrKfkKxJCRtKw=; b=LuCXsup4d3trCUAkLU68LKaDB+qIZH4p5cHOyhgueOIAdfufHXF4fiBhJPpDGxTIMsqR BquQK/ugEnYsAmFo2e60XS7f5weALDAJHD1r+zKtFw5LG9cqnzxM/cZm8qaq5QUcnC8Q EIzM/vpNd/pXyFLIOZUpybJ4E2p9QU2rQKCvxVu63ZrJ824Fx3CGdLnQ2LtGv1M5WouW BFx+dsMeDaK1PK8HCCRi4X8vkhVXygESoxyLNqZOTe0yTY6yNMxU6AG44XazU6VdRRFj 1uY9Xg1lRXSwgsGiW26vZCm3z5hKRTvd8TOsoSlFZWI9RtLsuu1NHXmM5Sx9oeyQOoYC cg== Received: from nasanppmta01.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3rs279r7e2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 11 Jul 2023 08:52:39 +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 36B8qcg2010802 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 11 Jul 2023 08:52:38 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; Tue, 11 Jul 2023 01:52:30 -0700 From: Varadarajan Narayanan To: , , , , , , , , , , , , , , , , , , , , , , , , , , CC: Varadarajan Narayanan Subject: [PATCH v3 6/6] arm64: defconfig: Enable M31 USB phy driver Date: Tue, 11 Jul 2023 14:21:12 +0530 Message-ID: <41397d3a972783a10529d276ffa4e3dd0d6bcf2d.1689065318.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: nasanex01a.na.qualcomm.com (10.52.223.231) 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-ORIG-GUID: LqN4i_wDXpk5GWDTBAzsr_kUPHxQFpjb X-Proofpoint-GUID: LqN4i_wDXpk5GWDTBAzsr_kUPHxQFpjb 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=2023-07-11_04,2023-07-06_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 spamscore=0 bulkscore=0 priorityscore=1501 adultscore=0 clxscore=1015 mlxlogscore=513 malwarescore=0 phishscore=0 lowpriorityscore=0 mlxscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307110078 Precedence: bulk List-ID: X-Mailing-List: linux-usb@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 347307e..cb9d728 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -1386,6 +1386,7 @@ CONFIG_PHY_QCOM_USB_HS=m CONFIG_PHY_QCOM_USB_SNPS_FEMTO_V2=m CONFIG_PHY_QCOM_USB_HS_28NM=m CONFIG_PHY_QCOM_USB_SS=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