From patchwork Fri Apr 14 08:41:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrice Gasnier X-Patchwork-Id: 673576 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 D229CC77B71 for ; Fri, 14 Apr 2023 08:43:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230288AbjDNInS (ORCPT ); Fri, 14 Apr 2023 04:43:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52216 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229932AbjDNInM (ORCPT ); Fri, 14 Apr 2023 04:43:12 -0400 Received: from mx07-00178001.pphosted.com (mx08-00178001.pphosted.com [91.207.212.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 91ABD9018; Fri, 14 Apr 2023 01:43:01 -0700 (PDT) Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 33E7B4a4006632; Fri, 14 Apr 2023 10:42:48 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding : content-type; s=selector1; bh=Qh0Bx0bb6Jevn+iLcjfHaGHVNgPeFj4xBdJEnAjLXeM=; b=wEpgyzfxwFLBaHvyxSGfLbchtuzuwn8SnU7uZYNl13pEvfPl0ev7FPdYKfC30QSStreg 9y7Vp5lXyL49NrBWjmp2EeuTUzDJPsc2mpG43+F5BJg47V+dcpkl09R8JOLurgunHKYM /wCwJVzsPoYyn5evJzcZrP1i9TwQjm6/eLtqC17WF9FykwMVTmAVYj+T6QUPgAzq1bBK HcxQ9tjOFxXrTVQVYO8IyBGq/tnhUue/o3Tcql6Gtl5KjgHJIkk5zXUypXzD4b8gacQs R3SHyjTyUPmV/ZYEVOjX0pxZMMZm8PxMnsAk/vwcfMUwJmGGbPnw2/1KZO8+DG63EygL MQ== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 3pwsgpq3q6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 14 Apr 2023 10:42:48 +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 B751010002A; Fri, 14 Apr 2023 10:42:10 +0200 (CEST) Received: from Webmail-eu.st.com (shfdag1node2.st.com [10.75.129.70]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id A1D8520BE6D; Fri, 14 Apr 2023 10:42:10 +0200 (CEST) Received: from localhost (10.252.1.127) by SHFDAG1NODE2.st.com (10.75.129.70) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Fri, 14 Apr 2023 10:42:08 +0200 From: Fabrice Gasnier To: , , , , CC: , , , , , , Subject: [PATCH v2 0/4] usb: dwc2: add optional clock used on stm32mp15 Date: Fri, 14 Apr 2023 10:41:33 +0200 Message-ID: <20230414084137.1050487-1-fabrice.gasnier@foss.st.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.252.1.127] X-ClientProxiedBy: EQNCAS1NODE3.st.com (10.75.129.80) To SHFDAG1NODE2.st.com (10.75.129.70) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-04-14_03,2023-04-13_01,2023-02-09_01 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org This series introduces an optional utmi clock that is used on stm32mp15, in particular when using integrated full-speed PHY, managed by GGPIO register. A pre-cursor change improves error handling in the platform code. --- Changes in v2: - "utmi_clk" renamed "utmi" as per Krzysztof comment on dt-bindings Fabrice Gasnier (4): usb: dwc2: improve error handling in __dwc2_lowlevel_hw_enable dt-bindings: usb: dwc2: add utmi optional clock usb: dwc2: platform: add support for utmi optional clock ARM: dts: stm32: add USB OTG UTMI clock on stm32mp151 .../devicetree/bindings/usb/dwc2.yaml | 5 ++- arch/arm/boot/dts/stm32mp151.dtsi | 4 +- drivers/usb/dwc2/core.h | 2 + drivers/usb/dwc2/platform.c | 37 ++++++++++++++++++- 4 files changed, 43 insertions(+), 5 deletions(-)