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 07A80221FA4; Tue, 7 Oct 2025 06:30:02 +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=1759818602; cv=none; b=fawAZQ4PQCRZ9IT5wgZf4vUPphWnzcChp9ExcvDGa1xuf/zu40ffXBGiyZx+G00Hx7ZrYPKpgC/mvIfT5cm49oBdAhQ1C47klfPMJdMbi/h6VtvELLHlKSaEWqeHQHZvjvUl22o1YsyoRIxopaZgW9M6RkBLHDPB2Q63mYqBxrw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759818602; c=relaxed/simple; bh=wZYlzoA9J8+rJqVeCe4Q2o14fIltYpD6LEF2ajXIVss=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Cdt6JqnkijXEwV+52r9hbae/IurdFQhvFJ8wnJsTSLd8WUA4LZgIxyJW2NaT3urUUZoud0A5vWi7LQuJb3AaDqeMcaTgXkhuSy1ij86GddXj/2xoLdfzyxPC1nigaL9CymNHUfF6V1vOP5k0U2vaP68rACtv0fMlNKV88cLX1cw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=b4njtDHJ; 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="b4njtDHJ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1A778C4CEF1; Tue, 7 Oct 2025 06:29:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1759818601; bh=wZYlzoA9J8+rJqVeCe4Q2o14fIltYpD6LEF2ajXIVss=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=b4njtDHJljGx4jj97mh0JBufnl4Z4jFHUt7eUxuxflsca4JW9bg/IVnFROaCE70vM Zertw3lUvmV1uMR7GUh6v8U49oQIYKPxsoXka2pV5PoiYSvAFVDKN6pYkLCeNR2e7c W/4hkXl+FApC6ZHisUoQiPQZEiYRrE1ZxkCj9N3GzNaq0LO5F5bBXurrA/jgBbPkQF 6aFY3l5vR7UZyIz90r/+XLiCoOXSrc3p0JgjU2XFPVoe/R68FIk0Y/P0dscyx8CN3V P8pbTJk0csk0bzuhmVwuBxsqLse5H6O8UG4XBnBpaAqhFDa8IQNMQEZd0DcPQJYKzz vU2hhXKqnUk4Q== Message-ID: <649f8e90-d99b-401a-bb0f-ef0cf9c4fe7f@kernel.org> Date: Tue, 7 Oct 2025 15:29:54 +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 2/4] dt-bindings: phy: Add PCIe PHY support for ExynosAutov920 SoC To: Sanghoon Bae , robh@kernel.org, conor+dt@kernel.org, vkoul@kernel.org, alim.akhtar@samsung.com, kishon@kernel.org, m.szyprowski@samsung.com, jh80.chung@samsung.com, shradha.t@samsung.com Cc: krzk+dt@kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org References: <20250926073921.1000866-1-sh86.bae@samsung.com> <20250926073921.1000866-3-sh86.bae@samsung.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 26/09/2025 16:39, Sanghoon Bae wrote: > Since the Exynosautov920 SoC uses the Samsung PCIe PHY, add support > for it in the Exynosautov920 PCIe PHY bindings. > > The Exynosautov920 SoC includes two PHY instances: one for a 4-lane PHY > and another for a 2-lane PHY. Each PHY can be used by separate > controllers through the bifurcation option. Therefore, from 2 up to 4 > PCIe controllers can be supported and connected with this PHY driver. Describe hardware, not driver. > > PCIe lane number is used to distinguish each PHY instance. > This is required since two PHY instances on ExynosAutov920 is not > identical. > On PHY driver code, need to check each instance and different settings. Describe hardware, not driver. > > Signed-off-by: Sanghoon Bae > --- > .../bindings/phy/samsung,exynos-pcie-phy.yaml | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/Documentation/devicetree/bindings/phy/samsung,exynos-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/samsung,exynos-pcie-phy.yaml > index 6295472696db..1e8b88d2cd56 100644 > --- a/Documentation/devicetree/bindings/phy/samsung,exynos-pcie-phy.yaml > +++ b/Documentation/devicetree/bindings/phy/samsung,exynos-pcie-phy.yaml > @@ -19,6 +19,7 @@ properties: > - samsung,exynos5433-pcie-phy > - tesla,fsd-pcie-phy0 > - tesla,fsd-pcie-phy1 > + - samsung,exynosautov920-pcie-phy Messed order. > > reg: > minItems: 1 > @@ -34,6 +35,10 @@ properties: > description: phandle for FSYS sysreg interface, used to control > sysreg registers bits for PCIe PHY > > + num-lanes: > + $ref: /schemas/types.yaml#/definitions/uint32 > + enum: [2, 4] > + > allOf: > - if: > properties: > @@ -42,6 +47,7 @@ allOf: > enum: > - tesla,fsd-pcie-phy0 > - tesla,fsd-pcie-phy1 > + - samsung,exynosautov920-pcie-phy Messed order. Best regards, Krzysztof