From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 750D22C3745; Wed, 8 Oct 2025 23:58:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759967916; cv=none; b=Y26ynfQIaDb7LXhYi5uPwCs/GeMR9UqB+aTzfrnfQvyHdZekceppt2ezr87pCNWOSH4PqNFPuIONMDGatlo15gE+RQ0JwonKs41G+GAVDCRTKh4NYy9O+75n/+lhHUa1MLyMV1TwoHG54GcfnwfFhMjGluRlFh8L5wDm1xLkiQk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759967916; c=relaxed/simple; bh=yOETAJ8eUiVZRfemtfdBWg3YPDkDwGKicuMdNzZFk3o=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=qgVlX9p6/cHHQHjfY69Hqiz8qqAUwhpeUBqHzSIhoqFAOHAvPntcjPJzslgsqAAhAbO2uC43YPr14yLDa0enQp3YB8+yI6HxFsb5p0E5HU5sgM3NJJnoczbl9Qq62GAlZ0n60jW1spzAzC6OWOr1WWMjYWr/ji1Ah+moXhLdRt4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JM97szmq; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JM97szmq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B4393C4CEF5; Wed, 8 Oct 2025 23:58:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1759967916; bh=yOETAJ8eUiVZRfemtfdBWg3YPDkDwGKicuMdNzZFk3o=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=JM97szmqUfVhrnUyTFjgJfh1DPUIAa4clCKPXsmOjY5/pIkGqIiIquGdtmh3q4JRR GHsghCXyqDTrT2TV1ieAU9+/m1IIMpojrrCGaOGayZprHS9unp4D2HoPqCNpnhbYBw PW0spLDk1A2vHjOG+ri1+oRxDJPBPBXyzH5X+SYzQCDmVPvIc05kLMwk7OB69LBaEn OJSkLLHXhxJpR9JRmIVxoPvjuueKldWVH0e6Gu07EgEynDOob4fdMRNrUton7QRV0S 2CzLq5c4ZVzsgQB0UmM2t4QEq5npbZhhTKl44fLCvocJxEcul9vgJxY2YxVOeDPvNi B/qHWy6iVhHXQ== Message-ID: Date: Thu, 9 Oct 2025 08:58:24 +0900 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 3/4] dt-bindings: phy: google: Add Google Tensor G5 USB PHY To: Roy Luo , Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , Thinh Nguyen , Philipp Zabel , Peter Griffin , =?UTF-8?Q?Andr=C3=A9_Draszik?= , Tudor Ambarus Cc: Joy Chakraborty , Naveen Kumar , Badhri Jagan Sridharan , linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org References: <20251008060000.3136021-1-royluo@google.com> <20251008060000.3136021-4-royluo@google.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 08/10/2025 14:59, Roy Luo wrote: > Document the device tree bindings for the USB PHY interfaces integrated > with the DWC3 controller on Google Tensor SoCs, starting with G5 > generation. > > Due to a complete architectural overhaul in the Google Tensor G5, the > existing Samsung/Exynos USB PHY driver and binding for older generations > of Google silicons such as gs101 are no longer compatible. > > The USB PHY on Tensor G5 includes two integrated Synopsys PHY IPs: the > eUSB 2.0 PHY IP and the USB 3.2/DisplayPort combo PHY IP. Currently only > USB high-speed is described and supported. > > Signed-off-by: Roy Luo > --- > .../bindings/phy/google,gs-usb-phy.yaml | 96 +++++++++++++++++++ > 1 file changed, 96 insertions(+) > create mode 100644 Documentation/devicetree/bindings/phy/google,gs-usb-phy.yaml > > diff --git a/Documentation/devicetree/bindings/phy/google,gs-usb-phy.yaml b/Documentation/devicetree/bindings/phy/google,gs-usb-phy.yaml > new file mode 100644 > index 000000000000..22961e2da6ef > --- /dev/null > +++ b/Documentation/devicetree/bindings/phy/google,gs-usb-phy.yaml > @@ -0,0 +1,96 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +# Copyright (C) 2025, Google LLC > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/phy/google,gs-usb-phy.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Google Tensor Series (G5+) USB PHY > + > +maintainers: > + - Roy Luo > + > +description: | > + Describes the USB PHY interfaces integrated with the DWC3 USB controller on > + Google Tensor SoCs, starting with the G5 generation. > + Two specific PHY IPs from Synopsys are integrated, including eUSB 2.0 PHY IP > + and USB 3.2/DisplayPort combo PHY IP. > + The first phandle argument within the PHY specifier is used to identify the > + desired PHY. The currently supported value is:: Currently supported as hardware will change? You describe here hardware ONLY. > + 0 - USB high-speed. > + > +properties: > + compatible: > + items: > + - enum: > + - google,gs5-usb-phy > + > + reg: > + minItems: 3 > + maxItems: 3 > + > + reg-names: > + items: > + - const: usb2_cfg_csr > + - const: dp_top_csr > + - const: usb_top_cfg_csr Drop csr > + > + "#phy-cells": > + const: 1 > + > + clocks: > + maxItems: 1 > + > + clock-names: > + items: > + - const: usb2_phy_clk Drop names, pointless for one entry. > + > + resets: > + maxItems: 1 > + > + reset-names: > + items: > + - const: usb2_phy_reset Drop names, pointless for one entry. > + > + power-domains: > + maxItems: 1 > + > + orientation-switch: > + type: boolean > + description: > + Indicates the PHY as a handler of USB Type-C orientation changes > + > +required: > + - compatible > + - reg > + - reg-names > + - "#phy-cells" > + - clocks > + - clock-names > + - resets > + - reset-names > + > +unevaluatedProperties: false > + additionalProps instead. Read writing schema or example schema. Best regards, Krzysztof