From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (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 875EE2233A; Wed, 22 May 2024 07:17:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.227.194 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716362267; cv=none; b=dSG4KXC1P5JE5q6oT4iz+DcuE8by1RMiAw59bCa3JyRo7WPFJQekflY21u1mK/Wndrnv4YOaW8J+W3rASOpcFF+RorR8hav/1BjG72rySQiwbcm2CY39J5G+MwU+lxcPrNRzGCWXji8QpV4tTi7M7UIBEEDqnao1Pmohs1ZNHHw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716362267; c=relaxed/simple; bh=S4+VlRYjbyjOZgdhFha9p34kKt6KjBudlxAU/clKD14=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=GZgLzHmGW/adhZg2Qy3gvtSjsbcoBAmSX30WQu0b52cnqB+UbWdP1N610I2Ew+cvp/byweMNldYQpkAk7NOO9jZCl/dNz6hzUHOjUsFJHHSAYSAwBMi8yzykOorw4BUfnwkpGTgmjVuxBi1GayFRAvwxP/L3Gcp/w2uPZQvWe+w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=r0lo/d7x; arc=none smtp.client-ip=46.235.227.194 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="r0lo/d7x" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1716362263; bh=S4+VlRYjbyjOZgdhFha9p34kKt6KjBudlxAU/clKD14=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=r0lo/d7x0JyE1O8oKfIQPef1AKCZ3GUtCkMvX9SiMYkyKn3gWAw1kXgN6VLtr5w/f RLmnOZDgjU7Ft4ig9dhZZbkqKoRNB5Y1XWn13lH365hIcAMFuOlmm2nAsoSHJJop+F GJvSO3TISL8WrBO9aUf80A/ncF5LPBsSQxGeHpJo/hbD7xkQCVhue8/rOQGEV0omqF sOGj4Z69669yMBPHi6x9JzWMwMpYr8Mv7myfMEqdTL3QgiD7W+UP2c6uLGGHcceAuv Vxs9DAIX/IVBw4zhXIFOePlkmism1/706nAgHRu3sXDeuf9f0uYkP0ct4yPaUbAe+h F6Sg/wXiaTh8A== Received: from [100.113.186.2] (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 2E5CE378214D; Wed, 22 May 2024 07:17:43 +0000 (UTC) Message-ID: Date: Wed, 22 May 2024 09:17:42 +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] dt-bindings: PCI: mediatek,mt7621-pcie: add PCIe host topology ascii graph To: Sergio Paracuellos , devicetree@vger.kernel.org Cc: linux-pci@vger.kernel.org, krzk+dt@kernel.org, robh@kernel.org, kw@linux.com, lpieralisi@kernel.org, bhelgaas@google.com, conor+dt@kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski References: <20240522044321.3205160-1-sergio.paracuellos@gmail.com> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: <20240522044321.3205160-1-sergio.paracuellos@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Il 22/05/24 06:43, Sergio Paracuellos ha scritto: > MediaTek MT7621 PCIe subsys supports a single Root Complex (RC) with 3 Root > Ports. Add PCIe host topology ascii graph to the binding for completeness. > > Suggested-by: Krzysztof Kozlowski > Signed-off-by: Sergio Paracuellos Lovely. Reviewed-by: AngeloGioacchino Del Regno > --- > .../bindings/pci/mediatek,mt7621-pcie.yaml | 29 +++++++++++++++++++ > 1 file changed, 29 insertions(+) > > diff --git a/Documentation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml b/Documentation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml > index 6fba42156db6..c41608863d6c 100644 > --- a/Documentation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml > +++ b/Documentation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml > @@ -13,6 +13,35 @@ description: |+ > MediaTek MT7621 PCIe subsys supports a single Root Complex (RC) > with 3 Root Ports. Each Root Port supports a Gen1 1-lane Link > > + MT7621 PCIe HOST Topology > + > + .-------. > + | | > + | CPU | > + | | > + '-------' > + | > + | > + | > + v > + .------------------. > + .-----------| HOST/PCI Bridge |------------. > + | '------------------' | Type1 > + BUS0 | | | Access > + v v v On Bus0 > + .-------------. .-------------. .-------------. > + | VIRTUAL P2P | | VIRTUAL P2P | | VIRTUAL P2P | > + | BUS0 | | BUS0 | | BUS0 | > + | DEV0 | | DEV1 | | DEV2 | > + '-------------' '-------------' '-------------' > + Type0 | Type0 | Type0 | > + Access BUS1 | Access BUS2| Access BUS3| > + On Bus1 v On Bus2 v On Bus3 v > + .----------. .----------. .----------. > + | Device 0 | | Device 0 | | Device 0 | > + | Func 0 | | Func 0 | | Func 0 | > + '----------' '----------' '----------' > + > allOf: > - $ref: /schemas/pci/pci-host-bridge.yaml# >