From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.gentoo.org (woodpecker.gentoo.org [140.211.166.183]) (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 1078E2EB847 for ; Sat, 7 Feb 2026 11:56:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=140.211.166.183 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770465365; cv=none; b=qn8OyYx9B3qKP0nklBYqvl+YXbMdyAc8cC6Dt2VYsWHeadlcqNYt0W+tleuOJQrTvvfwg9TMAz1pXTQo+of5OaQA4kqkwF0tteFhJrFdNuSqjOFkRRjmhQ9qbBlTvTuV3+2g3IMIpRueCMKmGxl7Fi6JsZ4MD05v7l2gh60kg5M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770465365; c=relaxed/simple; bh=dEZEZp9vse8p3Du+zcqRhHV6G00HQOUO06/CVBI95I0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Gd44jrHNy7zb0T96wHE6s+hHWEAZ7UWGv4d2SrMERQqUoDUS1N1LuFf3qCDxyZfJJtMp8EFbpEUgPugtvPyanlIvWMJ7PKyVQvlvtZWrHPPVlKKKev6mx8GhGrtAOJILwvtjMFgtCKVv3np1LYk+oZZA9ZY5QP1OnWYWnUbXKcw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gentoo.org; spf=pass smtp.mailfrom=gentoo.org; arc=none smtp.client-ip=140.211.166.183 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gentoo.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gentoo.org Received: from localhost (unknown [116.232.48.232]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: dlan) by smtp.gentoo.org (Postfix) with ESMTPSA id D436D341F0D; Sat, 07 Feb 2026 11:56:03 +0000 (UTC) Date: Sat, 7 Feb 2026 19:55:51 +0800 From: Yixun Lan To: Chukun Pan Cc: Yixun Lan , Vinod Koul , Ze Huang , Rob Herring , Mark Brown , Conor Dooley , Liam Girdwood , Krzysztof Kozlowski , Neil Armstrong , linux-riscv@lists.infradead.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, spacemit@lists.linux.dev Subject: Re: [PATCH 1/2] dt-bindings: phy: spacemit: add regulator support to K1 USB2 PHY Message-ID: <20260207115551-GYA130548@gentoo.org> References: <20260206100009.873182-1-amadeus@jmu.edu.cn> Precedence: bulk X-Mailing-List: spacemit@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260206100009.873182-1-amadeus@jmu.edu.cn> Hi Chukun, On 18:00 Fri 06 Feb , Chukun Pan wrote: > Add an optional phy-supply property to describe the regulator > supplying for USB VBUS. > No, the phy itself doesn't require regulator supply We previously had a discussion about this, and I personally agree it should be handled at USB port level, see Ze's comment https://lore.kernel.org/all/aWJAT3n_KcND8bOz@monica.localdomain/ > Signed-off-by: Chukun Pan > --- > Documentation/devicetree/bindings/phy/spacemit,usb2-phy.yaml | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/phy/spacemit,usb2-phy.yaml b/Documentation/devicetree/bindings/phy/spacemit,usb2-phy.yaml > index 43eaca90d88c..74a1cd5bcdbe 100644 > --- a/Documentation/devicetree/bindings/phy/spacemit,usb2-phy.yaml > +++ b/Documentation/devicetree/bindings/phy/spacemit,usb2-phy.yaml > @@ -19,6 +19,10 @@ properties: > clocks: > maxItems: 1 > > + phy-supply: > + description: > + Phandle to a regulator that provides power to VBUS. > + > "#phy-cells": > const: 0 > > -- > 2.34.1 > -- Yixun Lan (dlan)