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Fri, 03 Jul 2026 01:56:22 -0700 (PDT) X-Received: by 2002:a05:620a:19a3:b0:92e:5272:4e3e with SMTP id af79cd13be357-92e7809ef8cmr769284085a.0.1783068982565; Fri, 03 Jul 2026 01:56:22 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c12b629082dsm254187266b.29.2026.07.03.01.56.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 03 Jul 2026 01:56:21 -0700 (PDT) Message-ID: <2105eecd-b2e1-48b0-9795-ddffa8e43937@oss.qualcomm.com> Date: Fri, 3 Jul 2026 10:56:19 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 1/9] dt-bindings: soc: qcom: eud: Add per-path child nodes for UTMI routing To: Krzysztof Kozlowski , Elson Serrao Cc: Bjorn Andersson , Dmitry Baryshkov , Greg Kroah-Hartman , Konrad Dybcio , Krzysztof Kozlowski , Rob Herring , Conor Dooley , Souradeep Chowdhury , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260501170635.2641748-1-elson.serrao@oss.qualcomm.com> <20260501170635.2641748-2-elson.serrao@oss.qualcomm.com> <20260703-manipulative-mauve-centipede-f8c95e@quoll> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260703-manipulative-mauve-centipede-f8c95e@quoll> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: YkopoPlE_972GiUULQiu_xt80CbrMgWj X-Proofpoint-ORIG-GUID: YkopoPlE_972GiUULQiu_xt80CbrMgWj X-Authority-Analysis: v=2.4 cv=UMft2ify c=1 sm=1 tr=0 ts=6a477937 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==: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=q0dMSk5aKnwmW5Wxa0IA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzAzMDA4NCBTYWx0ZWRfX/pbf5qyxqxeH 5oEJVGFh243G9TUNKg5EbstMry8uStGpsUn/OpvjfkyxG5cWy4aAEQKsW0r2R+Qw65hA3wQ12M3 2F3v/I6/yu89q1trJCYN4G/5YBs02RU= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzAzMDA4NCBTYWx0ZWRfX4hP2i83FmDLg 4F3oRf02StENFcaDo8xTH7XUFSob+Jtteu6Xrq4umM9WKPPlT/4ZTAVwZNEVHpE+VfsuW4MoyRe c8UX9kDPyx5bqrBi6HVyhvInPtXyenMkNyXYSCmM9AB1tGTXXJS7zamtBguA/e2WFb6LO40W19k t+Wo5hstTE4xpCffrneVwxpbZsB+fcD3/7NnVXOQko1tSGmjNdFLFuIXEU9MHcd8lpfCoIt8Zxx cZpzYa7PvHGuYeK3UFAJ87DSW6MgL6S/upN7yH8gyIOKDakLN2e2Fb/MfpreQ7z3mv6gZRxlvJJ uEr6jChdl1GHB1Xz/a/P79Bh1/wJB0iOFYkVYg8LuK5Qdb72Q1i3C/L2mNrkq826vhu4ytKKkXp /hlvIX5U0bZ257ouywmPEv/J5E4vyhx7s95Xg/O+9FdCl0BRscZRN25d3GNMe2pc6ysaLiG5HDQ MdSAuetq7TH0dnjfXjw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-07-03_02,2026-06-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 lowpriorityscore=0 suspectscore=0 phishscore=0 priorityscore=1501 bulkscore=0 impostorscore=0 spamscore=0 adultscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607030084 On 7/3/26 9:45 AM, Krzysztof Kozlowski wrote: > On Fri, May 01, 2026 at 10:06:27AM -0700, Elson Serrao wrote: >> The Qualcomm Embedded USB Debugger (EUD) can intercept one or two >> independent High-Speed UTMI paths, depending on the SoC configuration. >> Each path is distinct, with its own connector/controller connection >> and role-dependent UTMI routing. > > You miss SoC specific compatibles in the patch. Binding describes ONLY > SC7280 but you claim here it depends on SoC (not sure what is a > "configuration" of a SoC). The hardware configuration - some (older) SoCs don't support muxing to another port. The binding only says 7280 today, but after some version of this series lands, we'll wire it up on basically everything that came out in the past 10 years Konrad