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Mon, 23 Feb 2026 02:36:23 -0800 (PST) X-Received: by 2002:a17:903:2f87:b0:2a0:992c:1ddd with SMTP id d9443c01a7336-2ad745498femr52545755ad.8.1771842982551; Mon, 23 Feb 2026 02:36:22 -0800 (PST) Received: from [10.218.41.33] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ad74f5dc87sm72038965ad.22.2026.02.23.02.36.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 23 Feb 2026 02:36:21 -0800 (PST) Message-ID: <6d9b9e85-5a54-461d-8f34-daf0c042b2b4@oss.qualcomm.com> Date: Mon, 23 Feb 2026 16:06:16 +0530 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 v2 1/1] arm64: dts: qcom: monaco-evk: Add Interface Plus Mezzanine To: Konrad Dybcio , Dmitry Baryshkov Cc: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, richardcochran@gmail.com, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, mohd.anwar@oss.qualcomm.com, krishna.chundru@oss.qualcomm.com, monish.chunara@oss.qualcomm.com References: <20260222173545.3627478-1-umang.chheda@oss.qualcomm.com> <20260222173545.3627478-2-umang.chheda@oss.qualcomm.com> <4ae0dd46-5f5f-403b-bbc6-1094159be302@oss.qualcomm.com> <01593963-2bff-4a8c-a6f9-c62bcf21ccaf@oss.qualcomm.com> Content-Language: en-US From: Umang Chheda In-Reply-To: <01593963-2bff-4a8c-a6f9-c62bcf21ccaf@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=X7Jf6WTe c=1 sm=1 tr=0 ts=699c2da7 cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=Xo7WPeB2ktV0wMHuqZ8A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=GvdueXVYPmCkWapjIL-Q:22 X-Proofpoint-ORIG-GUID: lxRYdeYNuKoJo-Ib49o7yU2OS0f7_GXE X-Proofpoint-GUID: lxRYdeYNuKoJo-Ib49o7yU2OS0f7_GXE X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjIzMDA5MSBTYWx0ZWRfX69AFNrwwfg/O w6EObggTKQPRg7WVippKq203o2QFxgDwnKc26VJNSW4nw0xLwvwd1wGhJiGrpo75lehXk1pKNK4 qFeMRUjGutKUPjw2aEoF/iw2wpqgL5HTd8Qlw4eaRIp6ci2YFXa7HkHuxU3QW2PJa/JFFgVLc59 NrDv2JXnvNZrGXg8E1OBdHyfzqxNYYwrUSWVo1S5FbGtbYChvgq6taHG0vaXOy1uGpnjymYTZEq nuM8o+hbNY0fyUtXc7C31e4f8iauqCxPJzobnp7qDH0WDJVJ12j5nVYd7K1u2S+V4mL32Tc1oS/ ZQJ4lBuRy6zSBo6FBKPPg1Fdz7wRZVxfnj9g3FyEG2mlSli0zThVC4Wi6jhFMGeRTBmfzlB0q7P /wGUvi8hXtuuhrsKNjDk2WJzl0dnCJ5NudSha/8ukMgU47qeZlJk9051nft+AiD+5OyOH2KlSaO ZbOilJxMIfJmiRh1Enw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-23_02,2026-02-20_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 priorityscore=1501 clxscore=1015 bulkscore=0 adultscore=0 spamscore=0 impostorscore=0 lowpriorityscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2602230091 On 2/23/2026 3:29 PM, Konrad Dybcio wrote: > On 2/23/26 10:47 AM, Umang Chheda wrote: >> Hello Dmitry, >> >> On 2/22/2026 11:57 PM, Dmitry Baryshkov wrote: >>> On Sun, Feb 22, 2026 at 11:05:45PM +0530, Umang Chheda wrote: >>>> The Interface Plus [IFP] Mezzanine is an hardware expansion add-on >>>> board designed to be stacked on top of Monaco EVK. >>>> >>>> It has following peripherals : >>>> >>>> - 4x Type A USB ports in host mode. >>>> - TC9563 PCIe switch, which has following three downstream ports (DSP) : >>>> - 1st DSP connects M.2 E-key connector for connecting WLAN endpoints. >>> Nit: routed to? Is that M.2 only suitable for WLANs? What is "WLAN >>> endpoints"? >>> routed to? >> If I understand correctly - you mean change string "connects M.2 E-Key connector" to >> "routed to M.2 E-Key connector" ? >>   >> >>> Is that M.2 only suitable for WLANs? >> Yes, this is suitable only for the WLAN module. > If I remove that WLAN module and insert an SSD through an adapter, will > the board spontaneously explode? > > "intended for" is less ominous.. Hmm Yes I agree -- will re-phrase the above statement to something like below : "The first downstream port (DSP) is routed to an M.2 E‑Key connector, intended for WLAN modules.” > > Konrad Thanks, Umang