Re: [PATCH 2/3] arm64: dts: qcom: sdm845-shift-axolotl: Set higher touchscreen i2c clock

[David Heidelberg]

On 23/03/2026 10:56, Konrad Dybcio wrote:
> On 3/20/26 5:29 PM, David Heidelberg via B4 Relay wrote:
> > From: Casey Connolly <casey.connolly@xxxxxxxxxx>
> >
> > Sets a higher rate than the default for good responsiveness of
> > touchscreen.
> >
> > Signed-off-by: Casey Connolly <casey.connolly@xxxxxxxxxx>
> > Signed-off-by: David Heidelberg <david@xxxxxxx>
> > ---
>
> I assume this is in line with downstream (i.e. you're not trying to make
> the panel IC work too hard?)

When bus frequency is not specified in DTS (which isn't in this case), 
downstream set i2c bus to 400 kHz.

See
https://github.com/SHIFTPHONES/android_kernel_shift_sdm845/blob/lineage/lineage-20/drivers/i2c/busses/i2c-qcom-geni.c#L894

David

> Konrad

--
David Heidelberg