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Tue, 11 Aug 2026 09:11:46 -0700 (PDT) X-Received: by 2002:a05:6a00:6087:b0:848:6c9c:4074 with SMTP id d2e1a72fcca58-84faf42b207mr2039582b3a.1.1786464706266; Tue, 11 Aug 2026 09:11:46 -0700 (PDT) Received: from [192.168.1.9] ([122.164.84.216]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-84fb1b73aa6sm45904b3a.0.2026.08.11.09.11.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 11 Aug 2026 09:11:45 -0700 (PDT) Message-ID: <52332595-04e8-45f0-a4b0-5ca13dbe3270@oss.qualcomm.com> Date: Tue, 11 Aug 2026 21:41:40 +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] arm64: dts: qcom: ipq5018: Add pinctrl for MDIO bus To: Jie Luo , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260811-qcom_ipq5018_mdio_pinctrl-v1-1-14ae9dc62a3f@oss.qualcomm.com> <076b0942-7e1a-4a6c-9293-04a7ff77abcb@oss.qualcomm.com> <5a8a773d-5fa8-4e93-8130-2b49997691fc@oss.qualcomm.com> Content-Language: en-US From: Kathiravan Thirumoorthy In-Reply-To: <5a8a773d-5fa8-4e93-8130-2b49997691fc@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Info: AW1haW4tMjYwODExMDEzNSBTYWx0ZWRfX1kT5EfAXFNnz PaCH+ItXVBdNEg8J3WgU2ha6H+d3hA5lQtj2T3yMQwupQf2rtd30ZyxntioC8NVXLBkleDVOGTO acNXC2Agca4FY0Er5087HY71vCTpwig= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODExMDEzNSBTYWx0ZWRfXxU/skPHZmSKB b6uTMNGmIiVPgZFcc2Lz4CLxo2svV4ISjiVrEg628LCzejVIGKpZWuUioMd6Izyn3qaHRXwukxu F1wQOcwDZPFXNxT2BbbuIbF0akza5rMMftRFU5rFR9sKN6WwPaghG/kJrYutaiHjybdEvK1jtSU Jz/4YUZe1LKb1pgQk1n/zYYW8RD/Vsg9n+AQy4XS68RETmgNHMHJEUMiuaQHryTblWIJKK8JOJE zDDSRtyeiyjXkEf+2lk+B0OGTh2ExbkpC/gRW0lpBzOWErmbMTlyVzaNypse8oIAAKD3ITWnxNv D/oG3GQOalpdNNGfx0ssw87/RgJxFKf1QByY2yKuhv3qrsK2s9jijp0MlDur66PWyY8FzNxdMLI a9Z+wZDI+rue56Wlw4+4EKdn2gW9YTcua507mloC/Xq/sQ1AKzeYfVh3ky5XlCa3IHU455SXnfX JOhuCjAcdjbrbbxZhkw== X-Proofpoint-GUID: 53SbcteP-ufrnjCVulPBDuv7RhSZ8E03 X-Authority-Analysis: v=2.4 cv=CbA4Irrl c=1 sm=1 tr=0 ts=6a7b49c3 cx=c_pps a=rEQLjTOiSrHUhVqRoksmgQ==:117 a=0/lRlipvHLU+ZVN6ZkkSUA==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=y_0uHl98WbWs3jSTaL0A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=2VI0MkxyNR6bbpdq8BZq:22 X-Proofpoint-ORIG-GUID: 53SbcteP-ufrnjCVulPBDuv7RhSZ8E03 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-11_03,2026-08-10_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 lowpriorityscore=0 priorityscore=1501 bulkscore=0 adultscore=0 impostorscore=0 spamscore=0 malwarescore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608110135 On 8/11/2026 8:54 PM, Jie Luo wrote: > > On 8/11/2026 10:00 PM, Kathiravan Thirumoorthy wrote: >> On 8/11/2026 7:06 PM, Luo Jie wrote: >>> The external MDIO bus (mdio1) needs its MDC/MDIO lines configured via >>> TLMM pinctrl; without this the pins are left in their default state and >>> the bus does not function on boards that enable it. >> Should we move the TLMM definitions to the board DTS file rather than >> keeping it in the SoC DTSI? > The MDC/MDIO pin-group definition is SoC-specific. On IPQ5018, only > these two TLMM pins support the MDIO interface—one for MDC and one for > MDIO—with no alternative pin assignments available. Therefore, the > definition can remain in the IPQ5018 pinctrl/SoC DTSI for reuse. Thanks, As discussed, please send this change along with its consumer.