From nobody Fri Jan 2 17:12:30 2026 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 08354CD68E3 for ; Tue, 10 Oct 2023 03:25:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1441953AbjJJDZI (ORCPT ); Mon, 9 Oct 2023 23:25:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50000 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1441902AbjJJDZE (ORCPT ); Mon, 9 Oct 2023 23:25:04 -0400 Received: from mail-pf1-x429.google.com (mail-pf1-x429.google.com [IPv6:2607:f8b0:4864:20::429]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 88B0EF0; Mon, 9 Oct 2023 20:25:02 -0700 (PDT) Received: by mail-pf1-x429.google.com with SMTP id d2e1a72fcca58-690ba63891dso3810983b3a.2; Mon, 09 Oct 2023 20:25:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1696908302; x=1697513102; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=+t8tXe6ccmmDxngyTtST79lozTn11v8rTEVF91HUREg=; b=NtLdpSEoJLYh/6a2iempfokr0ZK1SM6lV6FJ2agyhr5FaxbOwOW5wNcQTfXzzyXFTt q3wRfj1o6YaT896QmQ0HIAdkcCW6wyg6h4URuzVojLUBWNK6uhZR7EfsmjCn15E3DTRK XfJb1DVI3yThay/o+2ndznLsUDMVnRI6vwsK4IxCs3FXSCI9MR1qN1S75OZU/yVN0NiR NkLz0PVvKMSwoSV8ZKFI3NzvhNkQbtApHeSyOUvJlais1lPjvvygcpJEg1bdfI9//r1G OHEnUV5arRgjtXH3tR+mO7ruun2tWGvCMRmoMqw4kLAQ/I2pFZmW/Idtoon0CEdDQ0la gNCg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696908302; x=1697513102; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=+t8tXe6ccmmDxngyTtST79lozTn11v8rTEVF91HUREg=; b=uATi7TB3532vyDmjqHCn7YEpV20co84Na/eMcJPVNmxN+zXj1ZtiRbQ6TW3SDc9NFt jJvhcXg74mANlPvqW2XZoVrmjfg3TmEvFwue4N55nZPG6pYtz8m6VbleGQesBaP3IGpk KSpsUtJtKRVI6Qh9HLW2eP8gPSpocO5KZ7GBSJ4YJiIea9Xpl9DohErpBEhbUNU6lGYy QwMYwoOY/Y20UG95o/NDEMAQ7O+dPJRoBZHVqtu+GRL+7WNp+HLrmqoNysoi+q7Baxzz Huew6QsJ62+cxivJ4I7BVNXntaFRFL/Fkyls8N4xxi6Ymasp8D/FLwWolmhGUb0am+pI 7JWg== X-Gm-Message-State: AOJu0Yw7GKcTTgBcOle+YViuvEJA+cElz0oE4qLM4z0bNAUgxz/9y16P v1ukDguxfkfQHHHFAk2qgis= X-Google-Smtp-Source: AGHT+IEL8ecO+HWvFjZFChLjSmGujXLE1GhBRWwD35P3NWAIekKYEDrLkkZ+63uXO2us0bKMFodICQ== X-Received: by 2002:a05:6a21:3294:b0:16b:8572:5a4a with SMTP id yt20-20020a056a21329400b0016b85725a4amr10166460pzb.61.1696908301825; Mon, 09 Oct 2023 20:25:01 -0700 (PDT) Received: from localhost.localdomain ([49.205.243.94]) by smtp.gmail.com with ESMTPSA id c16-20020a62e810000000b00690f662a1cbsm7053851pfi.0.2023.10.09.20.24.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Oct 2023 20:25:01 -0700 (PDT) From: Anand Moon To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v1] arm64: dts: amlogic: Used onboard usb hub reset on odroid n2 Date: Tue, 10 Oct 2023 08:54:43 +0530 Message-ID: <20231010032446.3194-1-linux.amoon@gmail.com> X-Mailer: git-send-email 2.42.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" On Odroid n2/n2+ previously use gpio-hog to reset the usb hub, switch to used on-board usb hub reset to enable the usb hub and enable power to hub. Signed-off-by: Anand Moon --- .../dts/amlogic/meson-g12b-odroid-n2.dtsi | 36 ++++++++++++------- 1 file changed, 24 insertions(+), 12 deletions(-) diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/a= rm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi index 91c9769fda20..9e671444eca6 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi @@ -31,6 +31,30 @@ hub_5v: regulator-hub_5v { enable-active-high; }; =20 + /* USB hub supports both USB 2.0 and USB 3.0 root hub */ + usb-hub { + dr_mode =3D "host"; + #address-cells =3D <1>; + #size-cells =3D <0>; + + /* 2.0 hub on port 1 */ + hub_2_0: hub@1 { + compatible =3D "usb5e3,610"; + reg =3D <1>; + peer-hub =3D <&hub_3_0>; + vdd-supply =3D <&usb_pwr_en>; + }; + + /* 3.0 hub on port 4 */ + hub_3_0: hub@2 { + compatible =3D "usb5e3,620"; + reg =3D <2>; + peer-hub =3D <&hub_2_0>; + reset-gpios =3D <&gpio GPIOH_4 GPIO_ACTIVE_LOW>; + vdd-supply =3D <&vcc_5v>; + }; + }; + sound { compatible =3D "amlogic,axg-sound-card"; model =3D "ODROID-N2"; @@ -234,18 +258,6 @@ &gpio { "PIN_3", /* GPIOX_17 */ "PIN_5", /* GPIOX_18 */ "PIN_36"; /* GPIOX_19 */ - /* - * WARNING: The USB Hub on the Odroid-N2 needs a reset signal - * to be turned high in order to be detected by the USB Controller - * This signal should be handled by a USB specific power sequence - * in order to reset the Hub when USB bus is powered down. - */ - usb-hub-hog { - gpio-hog; - gpios =3D ; - output-high; - line-name =3D "usb-hub-reset"; - }; }; =20 &i2c3 { --=20 2.42.0