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 5B5EAC43217 for ; Wed, 2 Nov 2022 13:18:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231445AbiKBNS1 (ORCPT ); Wed, 2 Nov 2022 09:18:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57644 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231405AbiKBNSJ (ORCPT ); Wed, 2 Nov 2022 09:18:09 -0400 Received: from mout.perfora.net (mout.perfora.net [74.208.4.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 057302AC71; Wed, 2 Nov 2022 06:18:07 -0700 (PDT) Received: from toolbox.toradex.int ([31.10.206.125]) by mrelay.perfora.net (mreueus002 [74.208.5.2]) with ESMTPSA (Nemesis) id 0Lr0QH-1pThI82vyt-00ed8W; Wed, 02 Nov 2022 14:12:12 +0100 From: Marcel Ziswiler To: linux-arm-kernel@lists.infradead.org Cc: Peter Chen , Marcel Ziswiler , Fabio Estevam , Krzysztof Kozlowski , Laurent Pinchart , Max Krummenacher , NXP Linux Team , Pengutronix Kernel Team , Philippe Schenker , Rob Herring , Sascha Hauer , Shawn Guo , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 0/6] arm64: dts: verdin-imx8mp: usb dual-role switching et. al. Date: Wed, 2 Nov 2022 14:11:57 +0100 Message-Id: <20221102131203.35648-1-marcel@ziswiler.com> X-Mailer: git-send-email 2.36.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:QvXz3Icm2Ptr1VtiLwp0geZ+zH9109fsySwBGkQrAvNT/gLM7j9 y4oNs6tIC9Hy6o18/vACKBomOlt/90QFUGs/c7563AVW0NzVTELj2GgE/T5S7oKkwrbk2ir zO7A3HIut63Fot8FH4SIHLCiZZsCeqoEgj042e8VGgVPIrD/wwzmHhAKY16NvEi6vZv2cWt BrPa5zlSB25drPBR078DA== X-UI-Out-Filterresults: notjunk:1;V03:K0:ISAneY4YKFs=:LZUiO1jz/uvYI8T33anxDZ vxX3LFgwfYBoPgB1lo1iMO59qlSB3AqCmqi5phyBbtQsnQbC4rcXACdmcHuF+CB6fq2rIgbmc UBIEocDaWRUjuRo6/eUWa62/VxcV8s7QeihxteQmSRp7ADX2i4A0XiL7sbGKOfof1c2CHu/3C nsttMUX17jUzNUg4YkdqwM9LTbkasvYO8W6KWhg0do2BCHGENuK4V1s8o0jK97LcVXc3wP8qS eQ9soI8zi34XV4n34iqWis5IhpItt6CHUbePNtB2eZhDYdVeY/rESD2+63b2/4nWp5dCeBBEQ 4bX8jxZzp5kwgAEbz5Xl+jX1TRUDXe/K82186ktuTrayLf2zWvuH4vdTnI1H6giIvU6l9wzJK oGpEQ/oZfYtwrC7AmY1nWZp8e6sxd56/YJkAg/VmL/Rkro6GUXTZ1hF8+hqPtugbFiUm6gJkl i0xrZGFol495bNO29LyQ1jGgyt2o8BjnrzUiLOOzo5o5ysr1vEKgwHobf+fAVOjVEKZXivIJx InxfoSNifTUWJFdlZdGQbqR85C0oDmAl1K3rib2IPFbyOzB2g7BfxHa1LRiBygfL7sCc1NXNG LfYipVlC3YECzDmlejqg+NFiJPsnwpPUVAj8UT8/Ws+mq1dvBEFWbYb5TRX3Xaq9u0dH0NF0S UMivPg/sKQU+Fs8t0mHiLiLsRnGiRtgmriIqs8fZNidFITlrkkc0mkKNpD2UJbFHqieGyp/cz lNxzzihhXgFDpDJBA75APVKHZziEMR3ZeDwfijh/bFGriuJDMwZM0309L3ssIIpZ5GMNg7Yv6 kIG5Cy3 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Marcel Ziswiler This series is an assortment of USB dual-role specific commits as follows: Improvement of pinctrl for vbus-supplies: As we are using two fixed regulators for Verdin USB_1_EN (SODIMM 155) and Verdin USB_2_EN (SODIMM 185), those should be muxed as GPIOs rather than OTG_PWR. Removal of USB_2 over-current detection disabling: The disable-over-current property is only applicable for the ci-hdrc-usb2 and dwc2 drivers while the i.MX 8M Plus integrates dwc3 IP. Therefore remove this property which does not really serve any purpose here. Addition of USB_1 over-current detection: Add Verdin USB_1 over-current detection functionality via Verdin USB_1_OC# (SODIMM 157) being active-low and removing its previous gpio_hog3 mapping. Disabling of USB port power controls: Disable port power control on Verdin USB_1/2 as we use regular fixed-regulators with Verdin USB_1/2_EN as enable GPIOs. Addition of GPIO USB-B connector: Add GPIO USB-B connector (gpio-usb-b-connector) functionality using Verdin USB_1_ID. Marking USB_2 as permanently attached: As both Dahlia and the Verdin Development Board have on-carrier permanently attached USB hubs mark Verdin USB_2 as such. Note: Currently, I am still seeing a rare race condition of sorts when booting the system with Verdin USB_1 as a host port with a USB memory stick plugged in. This exact patch series applied on top of NXP's latest downstream 5.15.52_2.1.0 release (together with backporting a few more dwc3-specific patches) actually makes this same use case work very reliably. However, NXP also keeps further downstream-only patches which I plan to further investigate and hopefully upstream a proper fix for soon. Marcel Ziswiler (6): arm64: dts: verdin-imx8mp: improve pinctrl for vbus-supplies arm64: dts: verdin-imx8mp: remove usb_2 over-current detection disabling arm64: dts: verdin-imx8mp: add usb_1 over-current detection arm64: dts: verdin-imx8mp: disable usb port power control arm64: dts: verdin-imx8mp: add gpio usb-b connector arm64: dts: verdin-imx8mp: dahlia: mark usb_2 permanently attached .../dts/freescale/imx8mp-verdin-dahlia.dtsi | 1 + .../boot/dts/freescale/imx8mp-verdin.dtsi | 40 ++++++++++++++----- 2 files changed, 32 insertions(+), 9 deletions(-) -- 2.36.1