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Thu, 30 Jul 2026 01:00:02 -0700 (PDT) X-Received: by 2002:a05:620a:a501:b0:92e:5ef1:9072 with SMTP id af79cd13be357-934861506efmr199725285a.2.1785398402121; Thu, 30 Jul 2026 01:00:02 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6a07c77bbcfsm278261a12.7.2026.07.30.00.59.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 30 Jul 2026 01:00:01 -0700 (PDT) Message-ID: Date: Thu, 30 Jul 2026 09:59:54 +0200 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 3/3] arm64: dts: qcom: eliza-evk: Add PCIe1 with TC9563 PCIe switch To: Manivannan Sadhasivam Cc: Krishna Chaitanya Chundru , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bartosz Golaszewski , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-pm@vger.kernel.org, Bartosz Golaszewski , Abel Vesa References: <20260730-eliza_evk-v6-0-40ece2d33114@oss.qualcomm.com> <20260730-eliza_evk-v6-3-40ece2d33114@oss.qualcomm.com> <9a042817-3a3d-4637-8df7-466ffa380403@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwNzMwMDA1NiBTYWx0ZWRfX0IV8mHr6srQv awUTMlKywbabKCm818xDfXhdjMLyIKOhygFPt68PQr+2XCug6/jZ27eliSsZSZKLVMkDU3VEJQ2 O09R23VQh5/2yPdIoUT87wyi8Jx5SXc= X-Authority-Analysis: v=2.4 cv=X8pi7mTe c=1 sm=1 tr=0 ts=6a6b0483 cx=c_pps a=qKBjSQ1v91RyAK45QCPf5w==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=VwQbUJbxAAAA:8 a=8zT0Z9mGZitViAjM5KwA:9 a=QEXdDO2ut3YA:10 a=NFOGd7dJGGMPyQGDc5-O:22 X-Proofpoint-GUID: t2MuKqOdjPX1OG90C7N20GTLPuLG9--d X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzMwMDA1NiBTYWx0ZWRfXylG5dNhweMTP jj0q8BbbVMagvwmK8lWybHsKJ7yTJHtiOwBCe03+rc/qM17fVK28wlL9yBKThWYMuTZ/czKa7jP CKtyOgeFAajgFGgcuwGDo4ENfIitau+khUzva0trW1btBgAye9WcuW3c1SuS4Pd9ejC+HwWHxqv rx7zyW6e6XiZyeWryl9cM2MGUKepxh8ddYkWkv/PnBtyGh4PpfSf7vUzVF+9Om/zcAzmrAOEFBi PvX/KqR8Lkk3qsLYTZPuYDSrOyM93HGn7+WFOHPyouvt0rjpqZUzOi2KYHfBZwPdCsUXF0H8BZA 7Wlv50DLoGZ2d3Rt7d0agYBf2ngKuSv0qvhonMtNsn6anGxVZKQtNdcGfzFRjchLcb5DauL9WyP M3jsJqEClEndBrnlDIhsD/1nd/OL1mgWGlt/pu7jb6lfRLkF5WIs+pHemSLJVXPdui90LbcQscc O18oVVIxtaqX5ARixKQ== X-Proofpoint-ORIG-GUID: t2MuKqOdjPX1OG90C7N20GTLPuLG9--d X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-30_02,2026-07-29_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 bulkscore=0 spamscore=0 clxscore=1015 priorityscore=1501 impostorscore=0 phishscore=0 lowpriorityscore=0 adultscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607300056 On 7/30/26 9:52 AM, Manivannan Sadhasivam wrote: > On Thu, Jul 30, 2026 at 09:42:29AM +0200, Konrad Dybcio wrote: >> On 7/30/26 7:25 AM, Manivannan Sadhasivam wrote: >>> On Thu, Jul 30, 2026 at 10:18:55AM +0530, Krishna Chaitanya Chundru wrote: >>>> The Eliza EVK board connects PCIe1 (8GT/s x2) to a Toshiba TC9563 >>>> PCIe switch. Enable PCIe1 and its QMP PHY nodes. >>>> >>>> TC9563 uses I2C (at address 0x77 on I2C4) for its management interface. >> >> [...] >> >>>> + pcie@3,0 { >>>> + reg = <0x21800 0x0 0x0 0x0 0x0>; >>>> + #address-cells = <3>; >>>> + #size-cells = <2>; >>>> + device_type = "pci"; >>>> + ranges; >>>> + bus-range = <0x5 0xff>; >>>> + >>>> + pcie@0,0 { >>>> + reg = <0x50000 0x0 0x0 0x0 0x0>; >>>> + #address-cells = <3>; >>>> + #size-cells = <2>; >>>> + device_type = "pci"; >>>> + ranges; >>> >>> Sashiko pointed out that you are using bridge specific properties in EP node: >>> https://lore.kernel.org/linux-pci/20260730051031.20D8E1F000E9@smtp.kernel.org >> >> Can we harden the bindings here? >> > > Possible, but overkill IMO. The base dtschema for PCI bridge includes both > 'pci-device' and 'pci-bus-common'. So for the Endpoints, we need to restrict > them to use only 'pci-device' schema and that would require adding > 'patternProperties' to cover the Endpoint nodes in each binding. > > Since this is not a recurring issue, I don't think we really need to go that > far. OK Konrad