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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4CDF8C433FE for ; Tue, 23 Nov 2021 04:30:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233549AbhKWEdw (ORCPT ); Mon, 22 Nov 2021 23:33:52 -0500 Received: from m43-7.mailgun.net ([69.72.43.7]:47156 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233414AbhKWEds (ORCPT ); Mon, 22 Nov 2021 23:33:48 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1637641840; h=References: In-Reply-To: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=wHXJ/MxIASMYxApYMi7k73v+mx2Wz+ksxiSEmwcXO6k=; b=cXuIiHsCH511vruK/VkvXFDv6rCwXOWA2aY9BilxtYviF+W2Jlb/kF7CQOZ4wO3CuvATwpBm j7AaKwZTbmsnAK8ZT+dOCA0hVdwOQSOAKqyPYCpCKv2I9zz6zt6u/MekuKxoUyKlyRXJVGdH hE28fdWaut/Jv/1lyShx4iv2bQs= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI0MWYwYSIsICJsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n07.prod.us-east-1.postgun.com with SMTP id 619c6e706bacc185a5dc4bb4 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Tue, 23 Nov 2021 04:30:40 GMT Sender: schowdhu=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 97D23C43637; Tue, 23 Nov 2021 04:30:39 +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 62112C4361B; Tue, 23 Nov 2021 04:30:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org 62112C4361B 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, pure.logic@nexus-software.ie, bjorn.andersson@linaro.org, greg@kroah.com Cc: linux-kernel@vger.kernel.org, tsoni@codeaurora.org, psodagud@codeaurora.org, satyap@codeaurora.org, pheragu@codeaurora.org, rnayak@codeaurora.org, sibis@codeaurora.org, saiprakash.ranjan@codeaurora.org, quic_schowdhu@quicinc.com, Souradeep Chowdhury Subject: [PATCH V1 4/8] usb: dwc3: drd: Register the eud connector child node for dwc3 Date: Tue, 23 Nov 2021 09:58:22 +0530 Message-Id: <8cee25b11f1bcf0423728576ea9bc7c6a44a61c4.1637639009.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-kernel@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 | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/usb/dwc3/drd.c b/drivers/usb/dwc3/drd.c index d7f7683..b4ea55c 100644 --- a/drivers/usb/dwc3/drd.c +++ b/drivers/usb/dwc3/drd.c @@ -8,6 +8,7 @@ */ #include +#include #include #include #include @@ -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; + int ret; + + 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 +602,10 @@ 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