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Wed, 14 Oct 2026 00:44:17 -0700 (PDT) X-Received: by 2002:a17:903:41d0:b0:2e5:467a:7a6b with SMTP id d9443c01a7336-2e8429a9fb0mr134274455ad.10.1791963856917; Wed, 14 Oct 2026 00:44:16 -0700 (PDT) Received: from [10.218.9.97] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2e8422b8dc4sm64418425ad.59.2026.10.14.00.44.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 14 Oct 2026 00:44:16 -0700 (PDT) Message-ID: <48de9560-76b8-47aa-a87d-361c4e784a40@oss.qualcomm.com> Date: Wed, 14 Oct 2026 13:14:06 +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 4/5] arm64: dts: qcom: kaanapali-mtp: Enable USB headset and Type-C accessory mode To: Balaji Kalkonda , Dmitry Baryshkov Cc: Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kuogee Hsieh , Yongxing Mou , Yuanjie Yang , Bjorn Andersson , Konrad Dybcio , Abel Vesa , Mahadevan P , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261005-kaanapali_dp-v1-0-6faeac3a6d59@oss.qualcomm.com> <20261005-kaanapali_dp-v1-4-6faeac3a6d59@oss.qualcomm.com> <926167d5-e912-42b5-a040-be2bf220adbc@oss.qualcomm.com> Content-Language: en-US From: Mukesh Savaliya In-Reply-To: <926167d5-e912-42b5-a040-be2bf220adbc@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=IpOL47/g c=1 sm=1 tr=0 ts=6acf32d2 cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=4yO6XKe0Cte-09FKxggA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDE0MDAzMCBTYWx0ZWRfX/yRfW+HPII9U eaFCJeFgnvDMJNEM21YpkeYz/ujZ03mBFatWaXXEiKPrGklj6YK7E154sN/uFU34lZiK+q0FWpl 4YS3PWtcfKrZxVTqzycxjjUvn2qK+JLsEvRHF3vWCyQcNg2qlBGsShnHFcCLO8mZ8r8ZUjxlvyo 91S8q/eNUpQqD5wwleUJOsJ9U+PSWngywL1VgEEE3/VBZaTFsXX2IyHSU/3eP9/N8aJmwgVvsZ3 xEM4GIzQY0i2PVBtUH5CnMKi9EUQBWUB85At0TeOC5xbJ8ShmSCSns8llTCyA8agxYVz7WhbHe0 ETxuQaUKFiPs02c3nPeafAfoF4ll2Y5PnqYVmJdl0tvifQvHmu152UII1RYMkzRQ4NslD55Tm6F uB3lqSsmBGFBtPFvKP+NbY9ck2AsV9QrNuKzVFLP0tFPfPWazHRlCiy8RBTBLn09a0LO3h4yvNs yfuUWzaucPXZXwRD0KQ== X-Proofpoint-ORIG-GUID: Dya40uaM2eeH2qI_qzIfPY-HBZpdWSli X-Proofpoint-Spam-Info: AW1haW4tMjYxMDE0MDAzMCBTYWx0ZWRfXwUNprp7MvYfu x+JBWmv3uJfAn2o726+E/DvRybkyiEHN+0/ilbBCI6m2rkWjaPfJ3dgboG9JfjKEWl12oIolAiM RWF8aSDOGqd3CvMWrToki1dCdbV8lGc= X-Proofpoint-GUID: Dya40uaM2eeH2qI_qzIfPY-HBZpdWSli 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=2026-10-13_01,2026-10-09_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 clxscore=1015 malwarescore=0 spamscore=0 lowpriorityscore=0 suspectscore=0 priorityscore=1501 adultscore=0 bulkscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610140030 Hi Balaji, On 10/12/2026 11:47 AM, Balaji Kalkonda wrote: > > On 09-10-2026 02:04 pm, Dmitry Baryshkov wrote: >> On Mon, Oct 05, 2026 at 12:54:29PM +0530, Balaji Kalkonda wrote: >>> MTP does not have audio jack connected and relies on USB mux (WCD9395). >>> Add necessary nodes for proper audio headset support along with USB >>> Type-C accessory mode and orientation. >>> >>> Signed-off-by: Balaji Kalkonda >>> --- >>> arch/arm64/boot/dts/qcom/kaanapali-mtp.dts | 51 ++++++++++++++++++++++++++++++ >>> 1 file changed, 51 insertions(+) >>> >>> @@ -916,6 +926,42 @@ &gpu_zap_shader { >>> firmware-name = "qcom/kaanapali/gen80200_zap.mbn"; >>> }; >>> >>> +&i2c3 { >> No clock-frequency? >> >>> + status = "okay"; >>> + >>> + wcd_usbss: typec-mux@e { > > Hi Dmitry, > > The default I2C bus frequency for i2c3 is 100 kHz as configured by the controller driver. That is sufficient for the WCD9395 USB Type‑C mux use case, so an explicit clock-frequency property is not needed here. > > Thanks and regards, > Still the required frequency can be specified for your explicit need. Do not rely on default though it will serve your purpose. > Balaji > >