From patchwork Wed Sep 15 07:54:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrice Gasnier X-Patchwork-Id: 12495663 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6BA2CC4332F for ; Wed, 15 Sep 2021 07:54:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4E3BB61246 for ; Wed, 15 Sep 2021 07:54:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236686AbhIOH4J (ORCPT ); Wed, 15 Sep 2021 03:56:09 -0400 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:48540 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S231544AbhIOH4H (ORCPT ); Wed, 15 Sep 2021 03:56:07 -0400 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 18F1m92H027500; Wed, 15 Sep 2021 09:54:42 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=selector1; bh=8i3hBtzLNQhkieaRtodJdXzLd4sf/xumeF8JyE2+oEA=; b=JX3YSiFXpCodryRlFlBtdbuC+gNxprY5jyoC/wLEYJTU7ZO9nh5YpBB6t4oRF9rI3lVD hdWQ9kpRPmnuWRWt/Xq11XVFYdmJSX3KhX1qHY647DeSzTre/NEsQMUQLZHJdKquoiI9 tlH1phsBlyHVQ6xu1Edc9hQvxuuvgRfO1Ad3lik088+bvF4oHwMgyrPBPsLwfPlwJnG0 +ZJAKSsZM+UbnCOk7NAbFVP4mLtHppQ4x97bfdqcxY4cqeIE/HUcPqxValj6uXwfuw7v cRUG+me5IVAxyfxJaLL83IswAeSzB6VgWXSr+1xT0BSinQdw2Z8XxvBv5o3B+3eOLEU+ RA== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 3b37g39nq0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 15 Sep 2021 09:54:42 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 5AA79100034; Wed, 15 Sep 2021 09:54:41 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node2.st.com [10.75.127.5]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 49FA421C7BD; Wed, 15 Sep 2021 09:54:41 +0200 (CEST) Received: from localhost (10.75.127.47) by SFHDAG2NODE2.st.com (10.75.127.5) with Microsoft SMTP Server (TLS) id 15.0.1497.18; Wed, 15 Sep 2021 09:54:41 +0200 From: Fabrice Gasnier To: , , , CC: , , , , , , Subject: [PATCH 1/3] usb: dwc2: add otg_rev and otg_caps information for gadget driver Date: Wed, 15 Sep 2021 09:54:31 +0200 Message-ID: <1631692473-8732-2-git-send-email-fabrice.gasnier@foss.st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1631692473-8732-1-git-send-email-fabrice.gasnier@foss.st.com> References: <1631692473-8732-1-git-send-email-fabrice.gasnier@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.47] X-ClientProxiedBy: SFHDAG1NODE3.st.com (10.75.127.3) To SFHDAG2NODE2.st.com (10.75.127.5) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.391,FMLib:17.0.607.475 definitions=2021-09-15_01,2021-09-14_01,2020-04-07_01 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Currently the dwc2 doesn't fill in the 'otg_caps' of usb_gadget structure. When registering a gadget device (e.g. via configfs), the usb_otg_descriptor_init() checks the 'otg_caps' and 'otg_rev'. It defaults to HNP and SRP bmAttributes if unspecified. There may be a mismatch with what's being set in dwc2 params structure. This result in the descriptors to be miss-configured in this case. So add an option to setup 'otg_caps' and 'otg_rev' in the params. It's then provided to the gadget struct. These parameters can then be tuned for each platform. In case it's not set, it will default to current behavior. Also add option to setup these from the device tree by calling of_usb_update_otg_caps(). This provides support for standard properties such as "otg-rev", "hnp-disable" and "srp-disable" (see usb-drd.yaml). Signed-off-by: Fabrice Gasnier Acked-by: Minas Harutyunyan --- drivers/usb/dwc2/core.h | 7 +++++++ drivers/usb/dwc2/gadget.c | 1 + drivers/usb/dwc2/params.c | 14 ++++++++++++++ 3 files changed, 22 insertions(+) diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h index cb9059a..68d0967 100644 --- a/drivers/usb/dwc2/core.h +++ b/drivers/usb/dwc2/core.h @@ -243,6 +243,9 @@ enum dwc2_ep0_state { * 1 - SRP Only capable * 2 - No HNP/SRP capable (always available) * Defaults to best available option (0, 1, then 2) + * @otg_rev: The OTG revision number the device is compliant with, + * in binary-coded decimal (i.e. 2.0 is 0200H). + * (see struct usb_otg_caps) * @host_dma: Specifies whether to use slave or DMA mode for accessing * the data FIFOs. The driver will automatically detect the * value for this parameter if none is specified. @@ -458,6 +461,7 @@ struct dwc2_core_params { #define DWC2_CAP_PARAM_SRP_ONLY_CAPABLE 1 #define DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE 2 + u16 otg_rev; u8 phy_type; #define DWC2_PHY_TYPE_PARAM_FS 0 #define DWC2_PHY_TYPE_PARAM_UTMI 1 @@ -1054,6 +1058,8 @@ struct dwc2_hregs_backup { * @new_connection: Used in host mode. True if there are new connected * device * @enabled: Indicates the enabling state of controller + * @dw_otg_caps: OTG caps from the platform parameters, used to setup the + * gadget structure. * */ struct dwc2_hsotg { @@ -1220,6 +1226,7 @@ struct dwc2_hsotg { unsigned int remote_wakeup_allowed:1; struct dwc2_hsotg_ep *eps_in[MAX_EPS_CHANNELS]; struct dwc2_hsotg_ep *eps_out[MAX_EPS_CHANNELS]; + struct usb_otg_caps dw_otg_caps; #endif /* CONFIG_USB_DWC2_PERIPHERAL || CONFIG_USB_DWC2_DUAL_ROLE */ }; diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 837237e..4dc2e9e 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -4945,6 +4945,7 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg) hsotg->gadget.max_speed = USB_SPEED_HIGH; hsotg->gadget.ops = &dwc2_hsotg_gadget_ops; hsotg->gadget.name = dev_name(dev); + hsotg->gadget.otg_caps = &hsotg->dw_otg_caps; hsotg->remote_wakeup_allowed = 0; if (hsotg->params.lpm) diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c index 59e1193..f8ab211 100644 --- a/drivers/usb/dwc2/params.c +++ b/drivers/usb/dwc2/params.c @@ -36,6 +36,7 @@ #include #include #include +#include #include "core.h" @@ -246,18 +247,25 @@ static void dwc2_set_param_otg_cap(struct dwc2_hsotg *hsotg) switch (hsotg->hw_params.op_mode) { case GHWCFG2_OP_MODE_HNP_SRP_CAPABLE: val = DWC2_CAP_PARAM_HNP_SRP_CAPABLE; + hsotg->dw_otg_caps.hnp_support = true; + hsotg->dw_otg_caps.srp_support = true; break; case GHWCFG2_OP_MODE_SRP_ONLY_CAPABLE: case GHWCFG2_OP_MODE_SRP_CAPABLE_DEVICE: case GHWCFG2_OP_MODE_SRP_CAPABLE_HOST: val = DWC2_CAP_PARAM_SRP_ONLY_CAPABLE; + hsotg->dw_otg_caps.hnp_support = false; + hsotg->dw_otg_caps.srp_support = true; break; default: val = DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE; + hsotg->dw_otg_caps.hnp_support = false; + hsotg->dw_otg_caps.srp_support = false; break; } hsotg->params.otg_cap = val; + hsotg->dw_otg_caps.otg_rev = hsotg->params.otg_rev; } static void dwc2_set_param_phy_type(struct dwc2_hsotg *hsotg) @@ -465,6 +473,9 @@ static void dwc2_get_device_properties(struct dwc2_hsotg *hsotg) } } + if (hsotg->dr_mode == USB_DR_MODE_OTG) + of_usb_update_otg_caps(hsotg->dev->of_node, &hsotg->dw_otg_caps); + if (of_find_property(hsotg->dev->of_node, "disable-over-current", NULL)) p->oc_disable = true; } @@ -484,6 +495,7 @@ static void dwc2_check_param_otg_cap(struct dwc2_hsotg *hsotg) case GHWCFG2_OP_MODE_SRP_ONLY_CAPABLE: case GHWCFG2_OP_MODE_SRP_CAPABLE_DEVICE: case GHWCFG2_OP_MODE_SRP_CAPABLE_HOST: + hsotg->dw_otg_caps.hnp_support = false; break; default: valid = 0; @@ -492,6 +504,8 @@ static void dwc2_check_param_otg_cap(struct dwc2_hsotg *hsotg) break; case DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE: /* always valid */ + hsotg->dw_otg_caps.hnp_support = false; + hsotg->dw_otg_caps.srp_support = false; break; default: valid = 0; From patchwork Wed Sep 15 07:54:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrice Gasnier X-Patchwork-Id: 12495665 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2A9E5C4321E for ; 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Wed, 15 Sep 2021 09:54:42 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id F401510002A; Wed, 15 Sep 2021 09:54:41 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node2.st.com [10.75.127.5]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id E844521C7BD; Wed, 15 Sep 2021 09:54:41 +0200 (CEST) Received: from localhost (10.75.127.46) by SFHDAG2NODE2.st.com (10.75.127.5) with Microsoft SMTP Server (TLS) id 15.0.1497.18; Wed, 15 Sep 2021 09:54:41 +0200 From: Fabrice Gasnier To: , , , CC: , , , , , , Subject: [PATCH 2/3] usb: dwc2: stm32mp15: set otg_rev Date: Wed, 15 Sep 2021 09:54:32 +0200 Message-ID: <1631692473-8732-3-git-send-email-fabrice.gasnier@foss.st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1631692473-8732-1-git-send-email-fabrice.gasnier@foss.st.com> References: <1631692473-8732-1-git-send-email-fabrice.gasnier@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.46] X-ClientProxiedBy: SFHDAG2NODE2.st.com (10.75.127.5) To SFHDAG2NODE2.st.com (10.75.127.5) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.391,FMLib:17.0.607.475 definitions=2021-09-15_01,2021-09-14_01,2020-04-07_01 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org STM32MP15 complies with the OTG 2.0. Set OTG revision accordingly. It is useful for the of_usb_update_otg_caps() routine to check and update otg_rev to the lower value between DT and provided params. Signed-off-by: Fabrice Gasnier Acked-by: Minas Harutyunyan --- drivers/usb/dwc2/params.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c index f8ab211..fe2e88f 100644 --- a/drivers/usb/dwc2/params.c +++ b/drivers/usb/dwc2/params.c @@ -170,6 +170,7 @@ static void dwc2_set_stm32mp15_fsotg_params(struct dwc2_hsotg *hsotg) struct dwc2_core_params *p = &hsotg->params; p->otg_cap = DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE; + p->otg_rev = 0x200; p->speed = DWC2_SPEED_PARAM_FULL; p->host_rx_fifo_size = 128; p->host_nperio_tx_fifo_size = 96; @@ -190,6 +191,7 @@ static void dwc2_set_stm32mp15_hsotg_params(struct dwc2_hsotg *hsotg) struct dwc2_core_params *p = &hsotg->params; p->otg_cap = DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE; + p->otg_rev = 0x200; p->activate_stm_id_vb_detection = !device_property_read_bool(hsotg->dev, "usb-role-switch"); p->host_rx_fifo_size = 440; p->host_nperio_tx_fifo_size = 256; From patchwork Wed Sep 15 07:54:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrice Gasnier X-Patchwork-Id: 12495659 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6A450C433EF for ; Wed, 15 Sep 2021 07:54:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 44CF960FBF for ; Wed, 15 Sep 2021 07:54:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236584AbhIOH4I (ORCPT ); Wed, 15 Sep 2021 03:56:08 -0400 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:48528 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S231480AbhIOH4H (ORCPT ); Wed, 15 Sep 2021 03:56:07 -0400 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 18F1m6Eq027485; Wed, 15 Sep 2021 09:54:43 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=selector1; bh=aiizQVmK3AfqYkMO+fw6KiX7uJzSiVZw3/PoYi07I0U=; b=hLxj1mdY2+ySYIcyWSwU5Vrp56Hraq/0J5vfLuZQMgndGioPdcLJ9Zy6fJ2DWDVNNu+q 4M9O2otwPycwQTCRzYERkN68yBOPSdFYJNofJ+zXDmTuIuJPtowTWkFLTcn6XmIlgJj2 XhuxE6Ol1veZxPlF5r9/nlMrmd0OUtWcETirKeatC9uwiqNXbYzkuQvrCOdznuU5cqOe 9eKC4F6SD11uJmbUnurRDDYNR39DRTaAfWMPkY9zDeRCB0zs6+7/QiTz/zWEXuCNUYqd 5xqFpnclcpq1biMW+KfZaGVkKXdfW1VWtfzx9vncmnhBdxrG39h39tZRPdbNaz+9vsvH Gw== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 3b37g39nq5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 15 Sep 2021 09:54:43 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 9F6FE100038; Wed, 15 Sep 2021 09:54:42 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node2.st.com [10.75.127.5]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 949F621C7BD; Wed, 15 Sep 2021 09:54:42 +0200 (CEST) Received: from localhost (10.75.127.44) by SFHDAG2NODE2.st.com (10.75.127.5) with Microsoft SMTP Server (TLS) id 15.0.1497.18; Wed, 15 Sep 2021 09:54:42 +0200 From: Fabrice Gasnier To: , , , CC: , , , , , , Subject: [PATCH 3/3] ARM: dts: stm32: set otg-rev on stm32mp151 Date: Wed, 15 Sep 2021 09:54:33 +0200 Message-ID: <1631692473-8732-4-git-send-email-fabrice.gasnier@foss.st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1631692473-8732-1-git-send-email-fabrice.gasnier@foss.st.com> References: <1631692473-8732-1-git-send-email-fabrice.gasnier@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.44] X-ClientProxiedBy: SFHDAG1NODE3.st.com (10.75.127.3) To SFHDAG2NODE2.st.com (10.75.127.5) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.391,FMLib:17.0.607.475 definitions=2021-09-15_01,2021-09-14_01,2020-04-07_01 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org STM32MP151 complies with the OTG 2.0. Set it with otg-rev dt property. Signed-off-by: Fabrice Gasnier --- arch/arm/boot/dts/stm32mp151.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi index bd289bf..14e3cdf 100644 --- a/arch/arm/boot/dts/stm32mp151.dtsi +++ b/arch/arm/boot/dts/stm32mp151.dtsi @@ -1085,6 +1085,7 @@ g-np-tx-fifo-size = <32>; g-tx-fifo-size = <256 16 16 16 16 16 16 16>; dr_mode = "otg"; + otg-rev = <0x200>; usb33d-supply = <&usb33>; status = "disabled"; };