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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: linux-usb@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: VIMwVgmh8fZMLOk_9aI86w5_aHu4CeFH X-Proofpoint-ORIG-GUID: VIMwVgmh8fZMLOk_9aI86w5_aHu4CeFH X-Proofpoint-Spam-Info: AW1haW4tMjYwNzAzMDA4NCBTYWx0ZWRfXwUKlN61XwsxK dmNgULNABYR+mVhh45IAe1rtyk1No8Oea1AS7qJAZGpkNG3dYECTCwjL7bRM/vZ2tfeeT4FwJ/L CfbSHktxF/R1dXOnDn3NnsnhCA+r2lk= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzAzMDA4NCBTYWx0ZWRfXzpTsNJmfCr/j TddqZvpzbYJazHsB/HGQ+JiHKe2GLzuwLW7EN2NRRRpYLoXXTWl5PgDnHdwGUPwlSxY+JhJGPA4 lcsHv4EQSEquG34XQ05U50K2EovI2zaQNenSCaMQn3hL4B5+ly8M079LFqSETf2x3ojU79rS4tv Lc4dpJWYDtjua+ttAI9FcMRvZ9PQ9rhoPbBSlbHKPnj1e4VYWaXuLwmPBD03IyzGyxICnSvSgrX Ca1TB4usqvu94RudnUXW4TDFvSD+6r8LIHrUK01873pOQqTOLVMqDqM6e7ifFyDLW0erIWfGzii kXZrOZSm6Zunpm6Fjiskm0OlxEAqYTxJHTfEp32EUfSDX1wB9pVhiB0CoEMwkGhzVrGKOy7DFtW zY4O2pT3k3SjNYbWBKIHDlOawzLVrrXTgXjuR8xnlBYUVhrf032MNP9c60ZBJUV/ohsnp7k01tk aZPZigr9gqRY1wrk9DA== X-Authority-Analysis: v=2.4 cv=OaKoyBTY 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=eoimf2acIAo5FJnRuUoq:22 a=q0dMSk5aKnwmW5Wxa0IA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 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 impostorscore=0 suspectscore=0 bulkscore=0 lowpriorityscore=0 priorityscore=1501 adultscore=0 spamscore=0 phishscore=0 malwarescore=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