On 12/22/25 3:01 PM, David Heidelberg wrote:
> On 18/12/2025 13:25, Konrad Dybcio wrote:
>> On 12/17/25 12:39 PM, David Heidelberg via B4 Relay wrote:
>>> From: David Heidelberg <[email protected]>
>>>
>>> Instead of defining own pad function for master clock, pick one offered
>>> by sdm845 device-tree include.
>>
>> I'm a little bitter about the wording - the pad function here is "cam_mclk",
>> whereas what you're doing is inheriting a common pinmux/pincfg node that
>> refers to that function
>>
>> [...]
>>
>>> -        mclk0-pins {
>>> -            pins = "gpio13";
>>> -            function = "cam_mclk";
>>> -
>>> -            drive-strength = <16>;
>>
>> This patch changes the drive-strength (16 -> 2 mA)
>>
>> FWIW it's 2 on reference designs and Sony boards, check your
>> downstream kernel
> 
> I don't have any. I'm fine with this patch not getting applied, but I'll CC 
> Robert who added the support, maybe he can verify.

FWIW this can be verified at runtime as well (running downstream) with

cat /sys/kernel/debug/gpio

Konrad

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