From mboxrd@z Thu Jan 1 00:00:00 1970 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 08716C433EF for ; Mon, 4 Oct 2021 11:17:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E8BB661373 for ; Mon, 4 Oct 2021 11:17:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232989AbhJDLTY (ORCPT ); Mon, 4 Oct 2021 07:19:24 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:58085 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232978AbhJDLTN (ORCPT ); Mon, 4 Oct 2021 07:19:13 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1633346244; h=References: In-Reply-To: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=NZDs4uc6sYd+cdl1AV/f0rDcGHRZlaq5tNvwgSlXtVA=; b=AC9hAZB5H28tOnNpYFVOkWt5ug9i1ZEvv7HwE/+SIErJZb+CprEAuLs5Pf6OIWRZiFxS7cfD +WBZ6vex/N83/5ZlnPQv5H1FHFnQsBqjNHv67HGFvUQo09CiQF9+JTtXNhSQE6TAKe9S7nQe x2tO+TnzsQVD72ZD2gxDVHPXc/o= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n06.prod.us-west-2.postgun.com with SMTP id 615ae2adfc6e34f8cdbf8970 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 04 Oct 2021 11:17:01 GMT Sender: schowdhu=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 39911C4361C; Mon, 4 Oct 2021 11:17:01 +0000 (UTC) Received: from blr-ubuntu-525.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: schowdhu) by smtp.codeaurora.org (Postfix) with ESMTPSA id A1327C43616; Mon, 4 Oct 2021 11:16:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org A1327C43616 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: Souradeep Chowdhury To: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, Bryan O'Donoghue , Bjorn Andersson , Greg KH Cc: linux-kernel@vger.kernel.org, ckadabi@codeaurora.org, tsoni@codeaurora.org, bryanh@codeaurora.org, psodagud@codeaurora.org, satyap@codeaurora.org, pheragu@codeaurora.org, Rajendra Nayak , Sibi Sankar , Sai Prakash Ranjan , Souradeep Chowdhury Subject: [PATCH V0 3/7] usb: dwc3: drd: Register the eud connector child node for dwc3 Date: Mon, 4 Oct 2021 16:46:21 +0530 Message-Id: <2006cf6c5662f70ca3348b683551bae4a8e4a0e2.1633343547.git.schowdhu@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Register the child node for dwc3 which is the "eud_usb_connector". The eud driver will be able to switch the usb role from device to host and vice versa using the role switch property of dwc3 node. Signed-off-by: Souradeep Chowdhury --- drivers/usb/dwc3/drd.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/usb/dwc3/drd.c b/drivers/usb/dwc3/drd.c index d7f7683..f55e473 100644 --- a/drivers/usb/dwc3/drd.c +++ b/drivers/usb/dwc3/drd.c @@ -11,6 +11,7 @@ #include #include #include +#include #include "debug.h" #include "core.h" @@ -164,6 +165,27 @@ static int dwc3_otg_get_irq(struct dwc3 *dwc) return irq; } +static int dwc3_register_eud(struct dwc3 *dwc) +{ + struct device *dev = dwc->dev; + struct device_node *np = dev->of_node, *con_np; + int ret; + + con_np = of_get_child_by_name(np, "eud_usb_connector"); + if (!np) { + dev_dbg(dev, "no usb_connector child node specified\n"); + return 0; + } + + ret = of_platform_populate(np, NULL, NULL, dev); + if (ret) { + dev_err(dev, "failed to register usb_connector - %d\n", ret); + return ret; + } + + return 0; +} + void dwc3_otg_init(struct dwc3 *dwc) { u32 reg; @@ -580,6 +602,9 @@ int dwc3_drd_init(struct dwc3 *dwc) ret = dwc3_setup_role_switch(dwc); if (ret < 0) return ret; + ret = dwc3_register_eud(dwc); + if (ret < 0) + return ret; } else if (dwc->edev) { dwc->edev_nb.notifier_call = dwc3_drd_notifier; ret = extcon_register_notifier(dwc->edev, EXTCON_USB_HOST, -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation