From nobody Tue Apr 7 02:33:53 2026 Received: from mail-pj1-f47.google.com (mail-pj1-f47.google.com [209.85.216.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4728031D375 for ; Fri, 3 Apr 2026 11:37:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.47 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775216246; cv=none; b=AqQguh8Ui1hZMRectFQUVmTvOtXqIbw3KtFoNabNuWwSO2ocbKioecA0q4TaiDIIbKQwHE4EQ9s7wQ+QGYOhZFGZCpFtayjEvdXkbplFfDs4JAqkG0gpFWNhEcrrs83HtfP0rQMJiNraeMjcsV2ZYCHyuOf+Urth9vtZ5mAzs9c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775216246; c=relaxed/simple; bh=BLgHUstfAcn8HjPI3+LMBZ08W2YcL4fGUT7KyF/jEKg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=e/getTT1U0lPxQl9A0YBTli7r2sYD7an8ij19IjUgrc+WHAaUf7c2XdymVnBf40vTMu4uGT2Se+lj+lWfYwNbitAFVE+rSl21sEapyMDMlQLl/7uyGaYYa15R4eselE4KeyMloyJOq0V/9Lv+gZr9au6ZEIZzOVHJsksDyIQRyc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=X1whvykk; arc=none smtp.client-ip=209.85.216.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="X1whvykk" Received: by mail-pj1-f47.google.com with SMTP id 98e67ed59e1d1-35da1af3e10so1583159a91.3 for ; Fri, 03 Apr 2026 04:37:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1775216245; x=1775821045; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=CuMPAUkAJvfBgKNEN+2BubKNuxBNh0SHWbF0CWlzYqI=; b=X1whvykkwcvPreNHL5zuEaETg7PtSds2nhv12qoOyVFBD7PgI/gE7KbEGFwP5ouQ7U yWyPfB2ucNh1FtD+gQF35kXsZilJnJGMRVpJp6miBd1byl/DBuc+JmFsVyAa9zjgltLq zLOgnh/C7tZc0ICdjx9nvJu0tWr0GQX9LyKsPPv4ZNgojVQovjWSs/jTohi6TFx3mRFi SFMkooMqf41spvtTZrBA8AhklcuBr10bfoogMln0W175pAd1ZfbDpueJ7zWBjhLc/EDd V8ICV6ODuchbWW3cfZpmepfl8a+MIpReFYFdwt8EYNnHBLtcjZ3y7yAlQ86yN88Dxa6N H2Wg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775216245; x=1775821045; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=CuMPAUkAJvfBgKNEN+2BubKNuxBNh0SHWbF0CWlzYqI=; b=WYJ5KIXBzehMPdO3UZDkSjIbtG5FuO6YD2AZyDXnAXuULfLoEXUd8eeyRoqGvWf/ar flO4LnM8Mt1edCEBSKbHf0BDpIBLlkQUgD3racBqVChIsPjwkk4QFVl+WfhYFBNTCmHP 2qCMivlA7oiAM6GwBMGJ6Fr6lFwt8ivIABHVANy1QVDY3/P7majQ3Qi8g5BDNes4Wotu wbGAHX4umQVACYCfgiou5k7GMX84povqPLmRrLGZBYeKsQB8kJ/pPuiNymAkP0iro53Q f6K1+jvkkOkV6RdMabZtIb5aNutCkd59wWS3l+A8wt7tna+5c4uvaXUgEmOUTC9oB0pC Dfog== X-Forwarded-Encrypted: i=1; AJvYcCWPe9kkZ4g80RwUAGVxvGMqYPvGt24XP3X3gM8Cbe8QRZPj+K8GngS5i9yUBOD/HUHd3ueoyrlXvVruBog=@vger.kernel.org X-Gm-Message-State: AOJu0YyYexbzEeRP0cthXEAZl/0KCX8HELnxVGPPA7d7oZglJW1+0n7d skvqtySu9XIFw7M0HlP5ysLLJ5UMiEQ8YzEvweD8HmBW1oeyaulUKTw7 X-Gm-Gg: AeBDieueNrkyFcOO7MxQ0oq50zxPTcC8nSnKwM1qwACzT/hN53cPgqeMVLHSB+ysu8+ pkxLG2Tm8HEPT/PBN8AWZOI2Bh6eRzse1ulrkTPwm1np/jTuCZ7FiqP0vIIQ0A1o8YTjn8FVgNn reliZ0Sk/pt+0WH3olziwojBWqr8/Y40KEKcKCnIkQH/NoefvzvzQN273ZTV1vfdB669DC3nuHQ 0HJozYxtUodIUMEDjvYfr+RUR6LBJNH5o+VStgfB5mODMTDh9kzy3bCpMXOl0A15gitrIkVywCz tVlKk6UWJap8omwrj9zlyvhkFL+3pyFhP7Qn4FYXHq6GBZOBEwQY9S4C/YdDYwG3gHP9QTj/cDH JgK09I7nkDZoMqhOEcNyy+I3CE2xlv88ykxVOMty/esoj2TSfB6LIF6RVK3m++esfRGptP6gCKc XUDwzJBSbL3AuvPsVmIU0= X-Received: by 2002:a17:90b:350e:b0:35b:9682:51e6 with SMTP id 98e67ed59e1d1-35de691ac13mr2549960a91.16.1775216244668; Fri, 03 Apr 2026 04:37:24 -0700 (PDT) Received: from archriscv ([45.112.0.200]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35de6860cfbsm957599a91.6.2026.04.03.04.37.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Apr 2026 04:37:24 -0700 (PDT) From: Anand Moon To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-riscv@lists.infradead.org (open list:RISC-V ARCHITECTURE), spacemit@lists.linux.dev (open list:RISC-V SPACEMIT SoC Support), linux-kernel@vger.kernel.org (open list) Cc: Anand Moon , Han Gao , Ze Huang , Chukun Pan Subject: [PATCH linux-next v1 3/3] riscv: dts: spacemit: k1-bananapi-f3: Correct USB hub power hierarchy Date: Wed, 25 Mar 2026 13:46:10 +0530 Message-ID: <20260325081700.1502-4-linux.amoon@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260325081700.1502-1-linux.amoon@gmail.com> References: <20260325081700.1502-1-linux.amoon@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Link the usb3_hub_5v regulator to the USB controller=E2=80=99s vbus-supply = to ensure the USB 3.0 stack is properly powered as per the schematics. In addition, align the USB hub regulator with the board schematics by renaming it to VCC5V0_HUB and marking it as regulator-always-on to maintain power stability. Cc: Han Gao Cc: Ze Huang Cc: Chukun Pan Signed-off-by: Anand Moon --- arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/b= oot/dts/spacemit/k1-bananapi-f3.dts index c35f4763c800..3dbdf53b6d8e 100644 --- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts +++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts @@ -83,9 +83,10 @@ reg_5v_vbus: regulator-usb3-vbus-5v { =20 usb3_hub_5v: regulator-usb3-hub-5v { compatible =3D "regulator-fixed"; - regulator-name =3D "USB30_HUB"; + regulator-name =3D "VCC5V0_HUB"; regulator-min-microvolt =3D <5000000>; regulator-max-microvolt =3D <5000000>; + regulator-always-on; vin-supply =3D <®_vcc5v0_sys>; gpio =3D <&gpio K1_GPIO(123) GPIO_ACTIVE_HIGH>; enable-active-high; @@ -361,6 +362,7 @@ &usb_dwc3 { dr_mode =3D "host"; #address-cells =3D <1>; #size-cells =3D <0>; + vbus-supply =3D <&usb3_hub_5v>; status =3D "okay"; =20 hub_2_0: hub@1 { --=20 2.53.0