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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-64751035d4csm11986116a12.21.2025.12.01.03.13.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 01 Dec 2025 03:13:51 -0800 (PST) Message-ID: Date: Mon, 1 Dec 2025 12:13:49 +0100 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: oneplus-enchilada: Specify i2c4 clock frequency To: david@ixit.cz, 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: <20251130-enchilada-i2c-freq-v1-1-2932480a0261@ixit.cz> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20251130-enchilada-i2c-freq-v1-1-2932480a0261@ixit.cz> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjAxMDA5MCBTYWx0ZWRfX/oRB/Q5syswH xx3EjPJnukfpnYY68W7/RTiFlelT8LOJa9rE53r589nUAI1W6wvdMjyk6oNyVD52mPRO7rSS+y7 YnFQSsFt63QJomLrcMl8hYlb34JSRMZVfUBmOz3BUDy5mONy98nIGhFd7gQZ6YhJSYsN/u30KBl jpbI6+P7Eg8AOuPSvOXjgNiVm9yAjbzYl6Xmi/5MvdLXNt95MGWbo1URSJMagAgQWjFIerY8VHb 21h1U6e6WHiHVhJ9/HwrawQRHnVg76B6b3Hb18ccKXJamR7/jGhVpQIbrfr4CRkw3m4AcRhM6tS YiVLFdNemPpp+exRx2dmurhlfAIiKSLJP93XKSLWfbDvhw6502TInH7N1wi8Mx4NGi4bUR+DOvl k+R0WzD3MERGsRAZUVCOze9gzRux7A== X-Proofpoint-GUID: WLOC1MPWcaTstQ27oiMMdkMR35b_lYTN X-Proofpoint-ORIG-GUID: WLOC1MPWcaTstQ27oiMMdkMR35b_lYTN X-Authority-Analysis: v=2.4 cv=EunfbCcA c=1 sm=1 tr=0 ts=692d7871 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=NEAV23lmAAAA:8 a=aJ-x5TLSXszB8K4iyzMA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-28_08,2025-11-27_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 malwarescore=0 priorityscore=1501 suspectscore=0 bulkscore=0 clxscore=1015 spamscore=0 lowpriorityscore=0 adultscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512010090 On 11/30/25 12:22 AM, David Heidelberg via B4 Relay wrote: > From: David Heidelberg > > Per the binding, omitting the clock frequency from a Geni I2C controller > node defaults the bus to 100 kHz. But at least in Linux, a friendly info > print highlights the lack of explicitly defined frequency in the > DeviceTree. > > Specify the frequency, to give it an explicit value, and to silence the > log print in Linux. > > Downstream doesn't define any frequency, thus also using 100 kHz. Could you e.g. run debugcc to check out the frequency of the related clock to make sure? https://github.com/linux-msm/debugcc Konrad