From patchwork Thu May 11 21:04:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Rokosov X-Patchwork-Id: 681772 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 221E0C7EE25 for ; Thu, 11 May 2023 21:05:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239038AbjEKVFP (ORCPT ); Thu, 11 May 2023 17:05:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52928 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232629AbjEKVFM (ORCPT ); Thu, 11 May 2023 17:05:12 -0400 Received: from mx.sberdevices.ru (mx.sberdevices.ru [45.89.227.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A07246A76; Thu, 11 May 2023 14:05:10 -0700 (PDT) Received: from s-lin-edge02.sberdevices.ru (localhost [127.0.0.1]) by mx.sberdevices.ru (Postfix) with ESMTP id 240265FD0C; Fri, 12 May 2023 00:05:08 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sberdevices.ru; s=mail; t=1683839108; bh=09RPiS2Ui8qACl/yeM9LjmonOUAmQqp0kC6laBOrPqM=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type; b=sS0kJ+9englasC3dP9KjcEOfksuOL+iLoEmOpdiHHpwxC8CMaOqB4k13oNGHR+foT PMU7n9+4Ged/DFPfD4oKDP4Zj+2wJyvLr8a0eAHCXp/7+TTGymfFPSfKQwbvMny4IG WWKdmIEnwVlJ6KuCwfP1oKADmC6elStUhZe9/JKEvzSL7m0xTXih0pATo+4G3xT5/X p0eaZufQXxRGVAjAkk8F06hT3SoSpNxDf3SQgtt1yAG7dxLs2lro4pkCr2AWjCa0mC hIic69ivq+Vx3s3v6VmHtuSfl7LhGvHk6DnWyVXJ8aStOwY5a2g1AEJwZWx5ELzYH7 YZHCLZOOcJeXA== Received: from S-MS-EXCH01.sberdevices.ru (S-MS-EXCH01.sberdevices.ru [172.16.1.4]) by mx.sberdevices.ru (Postfix) with ESMTP; Fri, 12 May 2023 00:05:06 +0300 (MSK) From: Dmitry Rokosov To: , , , , , , , , , , , CC: , , , , , , , , , , Dmitry Rokosov Subject: [PATCH v4 0/3] arm64: meson: support Amlogic A1 USB OTG controller Date: Fri, 12 May 2023 00:04:52 +0300 Message-ID: <20230511210455.6634-1-ddrokosov@sberdevices.ru> X-Mailer: git-send-email 2.36.0 MIME-Version: 1.0 X-Originating-IP: [172.16.1.6] X-ClientProxiedBy: S-MS-EXCH02.sberdevices.ru (172.16.1.5) To S-MS-EXCH01.sberdevices.ru (172.16.1.4) X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2023/05/11 10:21:00 #21259776 X-KSMG-AntiVirus-Status: Clean, skipped Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org This patch series introduces full support for the Amlogic A1 USB controller in OTG mode (peripheral and host modes switching). Previously, Amlogic's patch series [1] was applied to the upstream tree, but it only had USB host mode support. Furthermore, the device tree patchset [2] wasn't merged due to a missing clk driver. Patchset [2] has been completely reworked: - changed register base offsets to proper values - introduced dwc2 in peripheral mode - OTG mode support - the SoB of Amlogic authors still remain Testing: - USB OTG role switching between gadget and host - OK - Peripheral mode - OK (tested with adb shell/push/pop) - Host mode - OK (tested only USB enumeration and detection) Changes v4 since v3 at [5]: - remove the dtsi patchset from series because it is dependent on the A1 clock bindings, which are not resolved yet; this is due to the fact that the A1 clock drivers are currently under review - remove the patchset for phy as it has already been applied by Vinod to phy/next at [6] Changes v3 since v2 at [4]: - if reset_control_reset() fails during phy_exit() callback execution, do not disable clkin, instead, return an error immediately - provide proper 'phy-names' for the dwc2 device tree node as 'usb2-phy' instead of 'usb2_phy' (replace underscore with dash) Changes v2 since v1 at [3]: - as Martin suggested in v1, this commit completely removes the 'otg_switch_supported' parameter from dwc3_meson_g12a_drvdata; this parameter is no longer necessary as all IP versions now support OTG switching - this commit moves the USB PHY clkin enable/disable calls to the PHY init/exit routines Links: [1] https://lore.kernel.org/all/1581990859-135234-1-git-send-email-hanjie.lin@amlogic.com/ [2] https://lore.kernel.org/all/1581990859-135234-4-git-send-email-hanjie.lin@amlogic.com/ [3] https://lore.kernel.org/all/20230414152423.19842-1-ddrokosov@sberdevices.ru/ [4] https://lore.kernel.org/all/20230418111612.19479-1-ddrokosov@sberdevices.ru/ [5] https://lore.kernel.org/all/20230426102922.19705-1-ddrokosov@sberdevices.ru/ [6] https://lore.kernel.org/all/ZFjAmCcc%2F35MhcuI@matsya/ Dmitry Rokosov (3): usb: dwc2: support dwc2 IP for Amlogic A1 SoC family dt-bindings: usb: dwc2: add support for Amlogic A1 SoC USB peripheral usb: dwc3-meson-g12a: support OTG switch for all IP versions .../devicetree/bindings/usb/dwc2.yaml | 1 + drivers/usb/dwc2/params.c | 21 +++++++++++++++++++ drivers/usb/dwc3/dwc3-meson-g12a.c | 16 +++----------- 3 files changed, 25 insertions(+), 13 deletions(-)