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 843B7239E80; Thu, 23 Oct 2025 06:58:01 +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=1761202681; cv=none; b=KxrgYSCtKPL+8qsu0HgwrJtenkfqGdi+nKxVJ0I7mYq4pM+S6QFOQGWVzACway4EboYmO8HZphM2m/IzjyG9t1smLPyKgixZIsiG6DXbx/yx4wk/9blq3D+aM4Yx4ZnYLO3QIwdrs2+OS9zkSxyROY7ZwimmrgBlXINKyl+ndqE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761202681; c=relaxed/simple; bh=Bk8mkjow2SUlSxjCiPaDSHS2if6WZcJF6LTupPJO9Lg=; h=Message-ID:Date:MIME-Version:Subject:From:To:Cc:References: In-Reply-To:Content-Type; b=BgnJiFb6dfO2R08iXL1oZ7NKMfhQKUypnMZZo8NQct/zmWBntwTWhRl3Nfai1mIl2OkX5XdgAGcdMZmiGJZdaTgr2DSncqyE22an549wXWKQcXTFx/l7/3qdrVOaciQ6//9QW88hsFHNd+VgPWswto8tk5es+aa6A5CfN0fotZ0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YwOH8CUA; 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="YwOH8CUA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1AC92C4CEE7; Thu, 23 Oct 2025 06:57:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761202681; bh=Bk8mkjow2SUlSxjCiPaDSHS2if6WZcJF6LTupPJO9Lg=; h=Date:Subject:From:To:Cc:References:In-Reply-To:From; b=YwOH8CUA1g9ZjTrRt8S/qb1Q3DHdjKzluiDFYeHpLVuGaohh7VOG2OGrBAcLeOlWs C40TQFde0pwYlDpr2/HKy0dG0ouwreMDd+jnkJjYr22RM05cEfFvM10L2CWG6tySP8 gKZA4cMykWRNYPifPlo1rsti7VELpDv6T38DWPy7Nd59Ry68maQUUvsfmfhBAC14BG jw/Ajk9wAAnjRVhq1iNqRgHRVJpJBy+mq10zbkRDWYLnM1ICI42l4IorHuyK5D4ri8 PIvT7YwVn3s7Zo5nOQUgaGACuU+x6YJ2UmZRvWs8zKj6ZpZThib+KD1xnSnWrVc6so D66n7jYnPapbg== Message-ID: <698ba0ea-3367-4fc0-bd4f-0177283c2e77@kernel.org> Date: Thu, 23 Oct 2025 08:57:55 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 1/2] dt-bindings: phy: google: Add Google Tensor G5 USB PHY From: Krzysztof Kozlowski To: Roy Luo Cc: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel , Peter Griffin , =?UTF-8?Q?Andr=C3=A9_Draszik?= , Tudor Ambarus , Joy Chakraborty , Naveen Kumar , Badhri Jagan Sridharan , linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org References: <20251017235159.2417576-1-royluo@google.com> <20251017235159.2417576-2-royluo@google.com> <20251023-collie-of-impossible-plenty-fc9382@kuoka> Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 23/10/2025 08:43, Krzysztof Kozlowski wrote: > On Fri, Oct 17, 2025 at 11:51:58PM +0000, 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. 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. >> >> Due to a complete architectural overhaul in the Google Tensor G5, the >> existing Samsung/Exynos USB PHY binding for older generations of Google >> silicons such as gs101 are no longer compatible, necessitating this new >> device tree binding. >> >> Signed-off-by: Roy Luo >> --- >> .../bindings/phy/google,gs5-usb-phy.yaml | 104 ++++++++++++++++++ >> 1 file changed, 104 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/phy/google,gs5-usb-phy.yaml >> >> diff --git a/Documentation/devicetree/bindings/phy/google,gs5-usb-phy.yaml b/Documentation/devicetree/bindings/phy/google,gs5-usb-phy.yaml >> new file mode 100644 >> index 000000000000..c92c20eba1ea >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/phy/google,gs5-usb-phy.yaml >> @@ -0,0 +1,104 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +# Copyright (C) 2025, Google LLC >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/phy/google,gs5-usb-phy.yaml# >> +$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 hardware can support three PHY interfaces, which are selected using the >> + first phandle argument in the PHY specifier:: > > Just one ':', anyway this sentence and below does not belong to > description but to phy-cells. You describe the cells. > > Or just mention the header with IDs - here or in phy-cells. If you go with free-form text description in phy cells, then some example could be: renesas,rcar-gen2-usb-phy.yaml For the header (in this case clocks): display/msm/dsi-phy-common.yaml Best regards, Krzysztof