From patchwork Tue Apr 22 16:22:50 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Icenowy Zheng X-Patchwork-Id: 885148 Received: from sender4-op-o15.zoho.com (sender4-op-o15.zoho.com [136.143.188.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6AB822918FF; Tue, 22 Apr 2025 16:23:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.15 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745339027; cv=pass; b=jgpEyKpeOedol//jWfOT642Ux+QCbFqyDTDDvc1W0e07FrGILsSEnn/rcOeK1t8DfyAdDvIfJ2eayPZNPHddDAi1VWFqHm9Apfjmuc88JCEcIZtMVMLOWBmd8LXu9h2nzGuFdGWQtiHqCe2eT5P99asqLYnViBUBYhbPWCUkjKA= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745339027; c=relaxed/simple; bh=vJLo1SAXOEL8jJq2shI0SXXGScBhN8GY9w5yBhm7w5Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bDZTxRzN8pYtZOMCyGo9HlvMq0FidZsVCJjayWeimPLEG28gFIF4QH5YQHOyxdrZL63UzOA22JAncyeRQ+qHuncN2RJMZ6Fo5vwmHdU4AmfJnBsoSz9FkIAyeswO8CkcHy5pqBshhXNwdR5syaI/zzDZ+GYfKB9f6UROCqyXszk= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=icenowy.me; spf=pass smtp.mailfrom=icenowy.me; dkim=pass (2048-bit key) header.d=icenowy.me header.i=uwu@icenowy.me header.b=Pv+e9eH3; arc=pass smtp.client-ip=136.143.188.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=icenowy.me Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=icenowy.me Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=icenowy.me header.i=uwu@icenowy.me header.b="Pv+e9eH3" ARC-Seal: i=1; a=rsa-sha256; t=1745339009; cv=none; d=zohomail.com; s=zohoarc; b=TYyfRxCdzIpIgWKgNSE+gRu2Yx+DLe3sMn33GgGr7AvTLi39f/YcFH9wMs7flSeImNqsRg+QAqT/2Cy0H6ZK9zlmhRkTy45r2XSmaWaYLC8oR32FW2u2MaylctzMY6DgG0yMoFUjjaLRRe5dilad2nVIcTQz3btTgTcXhdF37IA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1745339009; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=rEwnOtEV8d3LGVq1BDTwLd40sKEfTcqEpmUBhVrools=; b=NtIpdsDq+AjI12Pb+9xq/hCRbdYvsHXfKfLpM6qGjM+y9y7T+kKkjjPZcqjmx27vz7bElJU3KA/0grQW9lAvT4DH7/7Q+YDSsxPvtX7dpvr59y0aBxTGljjQqSxCzXc85JBIbUR1Gi6kxGI00S8f34UICQso4OvCGcRORLlxLhk= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=icenowy.me; spf=pass smtp.mailfrom=uwu@icenowy.me; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1745339009; s=zmail2; d=icenowy.me; i=uwu@icenowy.me; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Message-Id:Reply-To; bh=rEwnOtEV8d3LGVq1BDTwLd40sKEfTcqEpmUBhVrools=; b=Pv+e9eH3EKh6j7+yRLxi5l7fqBCBEL7K738huaCFwLg6uf7TaeahOeurbxGaKpT8 iaK6RoJbFplwI8A0hkGIxNGZ1eberti/pPZjTQo+816vwTKyptrOcIn0bCpJSQkj+vm 0dcjkXDRzFgPJbuKKP/5uwmM/D6FSmKdnYi8eXLXxH46dcbcKgwz8jhZUmsa4RE1U1o uxjahZGw03JQhM14uE6FVkkB8Drh8eprvhh5cauxrxewWctmG66ro1GqS/r/4eujvT+ ZxFWiEiRp/SgJl5u3Z/P/Mk5YLG1gLbcCVG3DD9RuFVxDCwhTB2ECAT0z12X0H1SY6y iGK4zVfquQ== Received: by mx.zohomail.com with SMTPS id 1745339006390925.2438196310163; Tue, 22 Apr 2025 09:23:26 -0700 (PDT) From: Icenowy Zheng To: Emil Renner Berthing , Jianlong Huang , Hal Feng , Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Icenowy Zheng Subject: [RFC PATCH 3/3] riscv: dts: starfive: jh7110-pine64-star64: force no USB overcurrent Date: Wed, 23 Apr 2025 00:22:50 +0800 Message-ID: <20250422162250.436169-4-uwu@icenowy.me> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250422162250.436169-1-uwu@icenowy.me> References: <20250422162250.436169-1-uwu@icenowy.me> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ZohoMailClient: External The Star64 board has no GPIOs to indicate USB overcurrent, however the USB controller would stop to work if the overcurrent_n signal it gets is low (which means overcurrent situations happening because of the _n). Use the pin controller to force the overcurrent_n signal to be high in order to ensure stable behavior of the USB controller. Signed-off-by: Icenowy Zheng --- arch/riscv/boot/dts/starfive/jh7110-pine64-star64.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/riscv/boot/dts/starfive/jh7110-pine64-star64.dts b/arch/riscv/boot/dts/starfive/jh7110-pine64-star64.dts index 31e825be2065a..dab0e0054e648 100644 --- a/arch/riscv/boot/dts/starfive/jh7110-pine64-star64.dts +++ b/arch/riscv/boot/dts/starfive/jh7110-pine64-star64.dts @@ -81,6 +81,8 @@ &spi0 { }; &sysgpio { + starfive,force-high-inputs = ; + usb0_pins: usb0-0 { vbus-pins { pinmux =