From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 473B3CF3959 for ; Thu, 19 Sep 2024 15:37:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=GyhJy6XfF7RGgTYAuPFsgn7wO4l1pQ7VjFzZNUYdCsU=; b=S7F88fmlM187Ai I9LK58la/zcAYkCrHd2/QRJJ0rSYjcA9sr3H056eucTCjM+bKU9gJP4kd9JnGEDsJyB2NhtCByM64 YWTcQ6wjz0AqlZ1SXiWSfOFoZzT7b/95VrEQO822t4qp2C7vjPenLw20oCqjJkIh98tMS9igHwfFF SMv91nJIPRY3F/yII6FMW07MFPkAcVgbTlO0XrgouGBBBao/SWDCtPIUMwBFDDji4S5uDIKSPFgc3 Jkvj3YRRaI6aaZ9cCPtdtcNul+1BRYSYyP2PE7m4FLonirTum2r5xVYVdfdyLheZm99r0Ht4WD5pw OGfxyQs6KOGYt3Yvf3SQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1srJE1-0000000AYvq-3dQS; Thu, 19 Sep 2024 15:37:45 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1srJDz-0000000AYvU-2kks for linux-phy@lists.infradead.org; Thu, 19 Sep 2024 15:37:44 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 9EBC85C55C4; Thu, 19 Sep 2024 15:37:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E6401C4CEC4; Thu, 19 Sep 2024 15:37:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1726760262; bh=S6MIWYK6Un51svGZ37c7JU+yySKaaclPw/YJv6ZmRvc=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=sqQs/SzpmNnddohCXdihZ4r5oYBTBNJ6bP9ZJYIUmw9zHuxB+rYCXPkeW2vqYL1Is XkCa84DwrMY+qAkTUZAhgtS41A5oynMVOhrsh3pG7sOTYyPnYcE1jkY7N8683yNuZR +iYiMKNTDTg9CtVwb4AmBFdKSx8AIXC0y6Hucdjky6SZxTJQ1urIDMMnOPdt6+Dn80 rO85T8mvqRCG9TWJ3ESSmX/iW2oTO0DSPpAK/UPxEnebx3QyghNpae1qCH5YmfE3xV nGYMN4Jv+8hzxYlvwreVnj1Q96N+Q9sVfCntq0R9ZqenFPSFkKuWzJqAAPEV4w8U9F SnKW13xPqrnjQ== Message-ID: <2acbaedc-e577-4685-875c-ba599d845b19@kernel.org> Date: Thu, 19 Sep 2024 17:37:33 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/5] dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Document the X1E80100 QMP PCIe PHY Gen4 x8 To: Qiang Yu , Krzysztof Kozlowski Cc: manivannan.sadhasivam@linaro.org, vkoul@kernel.org, kishon@kernel.org, robh@kernel.org, andersson@kernel.org, konradybcio@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, mturquette@baylibre.com, sboyd@kernel.org, abel.vesa@linaro.org, quic_msarkar@quicinc.com, quic_devipriy@quicinc.com, dmitry.baryshkov@linaro.org, kw@linux.com, lpieralisi@kernel.org, neil.armstrong@linaro.org, linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-clk@vger.kernel.org References: <20240913083724.1217691-1-quic_qianyu@quicinc.com> <20240913083724.1217691-2-quic_qianyu@quicinc.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240919_083743_794332_54200D72 X-CRM114-Status: UNSURE ( 9.08 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On 19.09.2024 4:03 PM, Qiang Yu wrote: > > On 9/16/2024 11:15 PM, Krzysztof Kozlowski wrote: >> On Fri, Sep 13, 2024 at 01:37:20AM -0700, Qiang Yu wrote: >>> PCIe 3rd instance of X1E80100 support Gen 4x8 which needs different 8 lane >>> capable QMP PCIe PHY. Document Gen 4x8 PHY as separate module. >> And this is really different hardware? Not just different number of lanes? We discussed it, but I don't see the explanation in commit msg. > Yes, PCIe3 use a different phy that supports 8 lanes and provides > additional register set, txz and rxz. It is not a bifurcation mode which > actually combines two same phys like PCIe6a. It's also not just different > number of lanes. Will explain this in commit msg. Krzysztof, this PHY is new and has a different hardware revision (v6.30 as opposed to v6.20? of the other ones) Konrad -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy