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 3694C487BF; Sat, 27 Jul 2024 09:25:33 +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=1722072334; cv=none; b=eA/zG2aLuGv6aIP6e4VsIg4hDhFo3u0BVoN92Ph+hajUIcoLGa4+eVX1admCEXWbFaIlcsQWs2epYp8E/zXremnYQQsJyyGv+89HTlxDidaT5TIos9ajOtfzEndrTr7HAXq589OIOv998bfqa/WuLexNVUfco/7N6C1U6lQDqag= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722072334; c=relaxed/simple; bh=FKWdEEfKwiHZEjR/g5jblQ0qk2xKb1tNXvjLXnAAvxE=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=XNN7rtWJ1AkRe5xZX7LSjXtt5mN4hmuDmfegVnfnTW5QrJrgwG8g+m5krDPTJwZaC42slQmy1BLGj+vJydYfbUcYORcWkQ/se+gI1JLzVq8K6LH4aOuW533EwXNb3MdtgCeb5HyJEJWrRyEqJ1kqQHMCclrHkv7HNwf5l+6PGuU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SHolPxWp; 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="SHolPxWp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0503DC32781; Sat, 27 Jul 2024 09:25:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722072333; bh=FKWdEEfKwiHZEjR/g5jblQ0qk2xKb1tNXvjLXnAAvxE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=SHolPxWpFfdGBRgaFzCWl0NEKJCm1vmfY6RVdGBVTQRWrPu9cf3GlCsMQyGfCRbw8 fHrD8pyx/qnvX+KK4Q1upcyvuigGDDMXTNSqOna8/DE630LfJwB0r+t7q/243/v20C N6/1siFd0TaN3SZLmFIdo0k6NJ/++ECX9Wew4I4zwmSlkJs2W+lT6Fusmet/GwSOuH 04RuWElp176qrtXkImkNmAJLReStBggKLLcTufAzw7G3N3ev3wakixmuvN3Wf/mbQ+ hHIDuMySzUplvKiPZ8rwbLJTK9Xl17IvSPOokebB/DRFUzKi+6KP6ENECfy64+kPo7 64hZJcmBkKDdw== Message-ID: Date: Sat, 27 Jul 2024 11:25:25 +0200 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 1/2] dt-bindings: net: motorcomm: Add chip mode cfg To: "Frank.Sae" , andrew@lunn.ch, hkallweit1@gmail.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux@armlinux.org.uk Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, yuanlai.cui@motor-comm.com, hua.sun@motor-comm.com, xiaoyong.li@motor-comm.com, suting.hu@motor-comm.com, jie.han@motor-comm.com References: <20240727092009.1108640-1-Frank.Sae@motor-comm.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 27/07/2024 11:20, Frank.Sae wrote: > The motorcomm phy (yt8821) supports the ability to > config the chip mode of serdes. > The yt8821 serdes could be set to AUTO_BX2500_SGMII or > FORCE_BX2500. > In AUTO_BX2500_SGMII mode, SerDes > speed is determined by UTP, if UTP link up > at 2.5GBASE-T, SerDes will work as > 2500BASE-X, if UTP link up at > 1000BASE-T/100BASE-Tx/10BASE-T, SerDes will work > as SGMII. > In FORCE_BX2500, SerDes always works > as 2500BASE-X. Very weird wrapping. Please wrap commit message according to Linux coding style / submission process (neither too early nor over the limit): https://elixir.bootlin.com/linux/v6.4-rc1/source/Documentation/process/submitting-patches.rst#L597 > > Signed-off-by: Frank.Sae Didn't you copy user-name as you name? > --- > .../bindings/net/motorcomm,yt8xxx.yaml | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) Also, your threading is completely broken. Use git send-email or b4. > > diff --git a/Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml b/Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml > index 26688e2302ea..ba34260f889d 100644 > --- a/Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml > +++ b/Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml > @@ -110,6 +110,23 @@ properties: > Transmit PHY Clock delay train configuration when speed is 1000Mbps. > type: boolean > > + motorcomm,chip-mode: > + description: | > + Only for yt8821 2.5G phy, it supports two chip working modes, Then allOf:if:then disallowing it for the other variant? > + one is AUTO_BX2500_SGMII, the other is FORCE_BX2500. > + If this property is not set in device tree node then driver > + selects chip mode FORCE_BX2500 by default. Don't repeat constraints in free form text. > + 0: AUTO_BX2500_SGMII > + 1: FORCE_BX2500 > + In AUTO_BX2500_SGMII mode, serdes speed is determined by UTP, > + if UTP link up at 2.5GBASE-T, serdes will work as 2500BASE-X, > + if UTP link up at 1000BASE-T/100BASE-Tx/10BASE-T, serdes will > + work as SGMII. > + In FORCE_BX2500 mode, serdes always works as 2500BASE-X. Explain why this is even needed and why "auto" is not correct in all cases. In commit msg or property description. > + $ref: /schemas/types.yaml#/definitions/uint8 Make it a string, not uint8. > + enum: [ 0, 1 ] > + default: 1 Why 1 not 0? Auto seems more logical? > + > unevaluatedProperties: false > > examples: Best regards, Krzysztof