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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b9084f191b9sm314211566b.67.2026.02.23.04.48.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 23 Feb 2026 04:48:21 -0800 (PST) Message-ID: <43c62c23-e75d-425c-b788-050101719d70@oss.qualcomm.com> Date: Mon, 23 Feb 2026 13:48:18 +0100 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: Umang Chheda , 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> <6d9b9e85-5a54-461d-8f34-daf0c042b2b4@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <6d9b9e85-5a54-461d-8f34-daf0c042b2b4@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: 0DNyWWp6a6W3bK5U7lQrs2fo9dT4noXo X-Proofpoint-ORIG-GUID: 0DNyWWp6a6W3bK5U7lQrs2fo9dT4noXo X-Authority-Analysis: v=2.4 cv=CbsFJbrl c=1 sm=1 tr=0 ts=699c4c97 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=1ZEf2EBqRol6lEqRf6cA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjIzMDEwOSBTYWx0ZWRfX7lxBLu4ljVH7 N4qTNMgQhnZLLTIkLRdg5niQuuGNiW49S2s2drIHjAXw/zgC7vzKStW5B2d8WpjxnOhcG/FZKfv yrXzr2N7tUA9O9RPrrqDAJ5DquxYSsij68jJXE+J027eGs7nLs0Up1VdJ1O8W2S3ZQLHz6LPXiw l8P0wAZZwPHjaEzVs6voEWt+ET6DlfPusGWnUFUgSWeSm2jCV79aJde4lJduX6QbDqJsQBxTmpp 1VVmyM39eGrzvFxRatwxcRwkA0ivTmzgoeYqEnSpf+2ZmNgYeumYqt2YjkOKhXWLF76XuDVOjUd 8cz7vJu08RUD1p5AyMjdJg8GR52gct+IGFNVpz3mEthVyhG0WZo2J7OkZ4QXqVMkMlthVhtrSy3 /UNkFJ6FDNYKIo7w5kk+2OAorfelRKNNOcijCEfrrqJuxOtVgIUHiAYX9xV/XOFUp8Lf6xRFHLs EQ+uxjAiuuS6tYn64uQ== 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_02,2026-02-23_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 adultscore=0 impostorscore=0 priorityscore=1501 suspectscore=0 phishscore=0 spamscore=0 malwarescore=0 clxscore=1015 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2602230109 On 2/23/26 11:36 AM, Umang Chheda wrote: > > 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.” Sounds good, thanks! Konrad