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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: devicetree@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-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDEyMDAzMCBTYWx0ZWRfXyZI44lY24cYF UagDHuz4rJXp3vLX6WrfO5maAGb0suiSwEEa8QoHvqGYBNfk/95FfyVAEDmZ0d3h6vIuUNoT8U7 QevtJzrLpObSDeKKvsHt7NCVyDEyVAsgzUtnJGfgL5yTGH2zjAVaalstbHhWiZ2cfxDa0ZkHX8U kwegmtFEHXfTg4ivRNzHqMMvSx79jTuzKHpkH7aPSwfpsYYHRhBJmK/U//J4lJkMrq7J5nsKmiK Z+lezkuUnDzA4YBVR2xgfah9+/TrpjeV/WXEzyIjkRtuKHXAAWHDO/YZC7HK1A89V/8kwaxIsEd NX8+91pBNX64S1Vv2A/5qW77HVRzI1w7D0xZZ64k6TTDrZsZmqMbqCRFj9X8ssmePst1flVbBFA xCCZj27UgIl4hyawPVLj0+Zi4XpL2irYNG6o9hKtjX9LHaeujJnGQvE1ZX/dimV/PA+YcBW/ozs DPmIGZbh1notN94jsZw== X-Authority-Analysis: v=2.4 cv=aK5lOr9m 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=yx91gb_oNiZeI1HMLzn7:22 a=EUspDBNiAAAA:8 a=IFwgObqpU61r2iwUQtYA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 X-Proofpoint-GUID: u8hC5gy2mWSiSfHLSUnz2IhRGoT5w8Cl X-Proofpoint-Spam-Info: AW1haW4tMjYxMDEyMDAzMCBTYWx0ZWRfX6/hngqnYfvR6 Q3mCjkTlI0y51J4+653DMh+fv4oLsMWWiRvAdHuQX0ODEay7S8xvREmv9d81fZlS5jmYf1s6SZ0 jARAhQuF/sxWREwwOhvfNiM1zRLGzA4= X-Proofpoint-ORIG-GUID: u8hC5gy2mWSiSfHLSUnz2IhRGoT5w8Cl 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 priorityscore=1501 phishscore=0 bulkscore=0 impostorscore=0 spamscore=0 suspectscore=0 lowpriorityscore=0 clxscore=1015 adultscore=0 malwarescore=0 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