From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: david@ixit.cz, Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: oneplus-enchilada: Specify i2c4 clock frequency
Date: Mon, 1 Dec 2025 12:13:49 +0100 [thread overview]
Message-ID: <c80db42f-518f-4682-8e43-3fa56fe569f6@oss.qualcomm.com> (raw)
In-Reply-To: <20251130-enchilada-i2c-freq-v1-1-2932480a0261@ixit.cz>
On 11/30/25 12:22 AM, David Heidelberg via B4 Relay wrote:
> From: David Heidelberg <david@ixit.cz>
>
> 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
next prev parent reply other threads:[~2025-12-01 11:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-29 23:22 David Heidelberg via B4 Relay
2025-12-01 11:13 ` Konrad Dybcio [this message]
2026-01-21 19:56 ` Bjorn Andersson
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