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Mon, 12 Oct 2026 00:41:45 -0700 (PDT) X-Received: by 2002:ac8:7f52:0:b0:535:1a83:1251 with SMTP id d75a77b69052e-5359fae166amr173329331cf.4.1791790905023; Mon, 12 Oct 2026 00:41:45 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c31a9a3ab4esm432818966b.29.2026.10.12.00.41.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 12 Oct 2026 00:41:43 -0700 (PDT) Message-ID: <45a2a77c-afcd-4dfc-89b0-4a17be1ff828@oss.qualcomm.com> Date: Mon, 12 Oct 2026 09:41:36 +0200 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: Konrad Dybcio In-Reply-To: <926167d5-e912-42b5-a040-be2bf220adbc@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=QdzzLcbv c=1 sm=1 tr=0 ts=6acc8f3a cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=EUspDBNiAAAA:8 a=IFwgObqpU61r2iwUQtYA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDEyMDAzMCBTYWx0ZWRfX2kgZYzvoeHFT XtaaOE/1cMHlLGxtNTWzvjwBwK2cHZXt8j2bPmKQr3Aa/8oCby1kv3B4fTNaMkubybgGpPswVIe jblgH3f/3S+SbRGHFKVMrqOJh8N9lPtwbndMCkgXEJeay3tpItkeq/eU6kzl21jIsCZqN9ntJU8 o4uzvd4VT8ksyajfxcouuqMJoE4D6qCajH0xVDiYnBgxdaQpAsYo4PXfe1MS3MTxPB8z+qONFQo 0r8M45BVKtyJ1ArsSv7O1uyEE/wt0DU8U3Az0jUDsBEUIAvoSTyMDQS2ZugWOrcXQbiolw7UqxP MXD1h52kuesNb84yzVPJ54V89iM7ew/095D04tWckfcIXG2rSusnr85LwUA8bsUlefaBeIF7AIV oMxNjHGBhBcAZJ4BpV64+7lG5hE/4kYogziiQB7tfvnBzWOoxt7MljeKB8+C6ju/4sXyw/q0j3Q Q20I/5l/V4PcZG78/ww== X-Proofpoint-ORIG-GUID: Bzuup3G5L3EC9nsiYPJh1dgd7f-x8fWh X-Proofpoint-Spam-Info: AW1haW4tMjYxMDEyMDAzMCBTYWx0ZWRfX+XTrpylU8S7X sRP9VXXqaijD8q50JV1k/vHcZqp3XhgxzpXAaBKdcFI80KBYFcnA3JOO6Qh3KVuYqCl5cDj+Lm9 HklivihZwFFppSoHdW4NK5MUvtOrtz4= X-Proofpoint-GUID: Bzuup3G5L3EC9nsiYPJh1dgd7f-x8fWh 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=2026-10-12_02,2026-10-09_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 impostorscore=0 phishscore=0 spamscore=0 suspectscore=0 lowpriorityscore=0 adultscore=0 clxscore=1015 malwarescore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610120030 On 10/12/26 8:17 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. What if we change the driver to make the default 1 MHz tomorrow? Konrad