[PATCH 2/2] arm64: dts: ti: k3-am64: Set MMC1_CLK pin as OUTPUT

Judith Mendez jm at ti.com
Mon Sep 28 10:46:19 PDT 2026


Sai,

On 9/28/26 12:00 PM, Judith Mendez wrote:
> Hi Sai,
> 
> On 9/27/26 10:30 PM, Sai Sree Kartheek Adivi wrote:
>> From: Judith Mendez <jm at ti.com>
>>
>> MMC clock pins must be configured as OUTPUT-only per TRM specification 
>> [0]
>> with receiver disabled (RXACTIVE bit = 0). Change MMC1_CLK from PIN_INPUT
>> to PIN_OUTPUT in AM64 device trees to match documentation.
> 
> There was an issue showing up in automated testing that I was not sure
> if it was attributed to this patch series. So I was waiting to see the
> error again to debug. Not 100% confident this should go upstream yet.

On top to this, this change also needs to be added for all AM64 based
boards. But as said before, I think we need to wait a bit before
sending this patch (:

~ Judith



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