From patchwork Fri Apr 7 06:07:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U3RhbmxleSBDaGFuZ1vmmIzogrLlvrdd?= X-Patchwork-Id: 13204453 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 9EFC0C6FD1D for ; Fri, 7 Apr 2023 06:07:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233104AbjDGGHq (ORCPT ); Fri, 7 Apr 2023 02:07:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40720 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231508AbjDGGHk (ORCPT ); Fri, 7 Apr 2023 02:07:40 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E0A899039 for ; Thu, 6 Apr 2023 23:07:38 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 33767BVv8023405, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36506.realtek.com.tw[172.21.6.27]) by rtits2.realtek.com.tw (8.15.2/2.81/5.90) with ESMTPS id 33767BVv8023405 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=OK); Fri, 7 Apr 2023 14:07:11 +0800 Received: from RTEXDAG01.realtek.com.tw (172.21.6.100) by RTEXH36506.realtek.com.tw (172.21.6.27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.17; Fri, 7 Apr 2023 14:07:31 +0800 Received: from RTEXH36505.realtek.com.tw (172.21.6.25) by RTEXDAG01.realtek.com.tw (172.21.6.100) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Fri, 7 Apr 2023 14:07:31 +0800 Received: from localhost.localdomain (172.21.252.101) by RTEXH36505.realtek.com.tw (172.21.6.25) with Microsoft SMTP Server id 15.1.2375.32 via Frontend Transport; Fri, 7 Apr 2023 14:07:31 +0800 From: Stanley Chang To: Mathias Nyman CC: Subject: [PATCH v1] usb: xhci: plat: Add USB 3.0 phy support Date: Fri, 7 Apr 2023 14:07:31 +0800 Message-ID: <20230407060731.20537-1-stanley_chang@realtek.com> X-Mailer: git-send-email 2.39.0 MIME-Version: 1.0 X-KSE-ServerInfo: RTEXDAG01.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org For Realtek SoC, the usb xhci uses different driver for u2phy and u3phy. Therefore, add a hook to retrieve the USB 3.0 PHY to XHCI plat. Signed-off-by: Stanley Chang --- drivers/usb/host/xhci-plat.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index b9f9625467d6..61c95349b998 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -291,6 +291,21 @@ int xhci_plat_probe(struct platform_device *pdev, struct device *sysdev, const s goto dealloc_usb2_hcd; } + xhci->shared_hcd->usb_phy = devm_usb_get_phy_by_phandle(sysdev, + "usb-phy", 1); + if (IS_ERR(xhci->shared_hcd->usb_phy)) { + if (PTR_ERR(xhci->shared_hcd->usb_phy) != -ENODEV) + dev_err(sysdev, "%s get usb3phy fail (ret=%d)\n", + __func__, + (int)PTR_ERR(xhci->shared_hcd->usb_phy)); + xhci->shared_hcd->usb_phy = NULL; + } else { + ret = usb_phy_init(xhci->shared_hcd->usb_phy); + if (ret) + dev_err(sysdev, "%s init usb3phy fail (ret=%d)\n", + __func__, ret); + } + xhci->shared_hcd->tpl_support = hcd->tpl_support; }