Re: [PATCH 0/2] pinctrl-single: introduce am654-padconf compatible
From: Nishanth Menon
Date: Wed Aug 09 2023 - 07:49:54 EST
On 15:52-20230808, Dhruva Gole wrote:
> The K3 family of SOCs use certain bits of the padconfig registers like
> WKUP_EVT and WKUP_EN to enable daisychain wakeups.
>
> For example, these bits are described in the AM654 TRM [0] under
> "Table 5-517. Description Of The Pad Configuration Register Bits"
>
> This series adds the DT binding changes for adding the compatible and
> also the driver changes which make use of this compatible.
>
> NOTE: Some K3 SoCs may have these bits marked as reserved which means
> that they don't support IO daisychain. Such SOCs are not expected to use
> this compatible.
>
> The general expected usage is when the device is in a suspended state like Deep
> Sleep or Suspend to RAM, and any IO activity on configured pads can
> trigger a wakeup.
>
> Link to complete series:
> https://lore.kernel.org/all/20230808102207.130177-1-d-gole@xxxxxx
>
> Base commit:
> 71cd4fc492ec (tag: next-20230808, linux-next/master) Add linux-next specific files for 20230808
>
> depends on:
> https://lore.kernel.org/r/20230721082654.27036-1-tony@xxxxxxxxxxx
>
> which has been picked up by Linus Walleij in his tree here:
> https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git/commit/?h=devel&id=677a62482bd6e584f83d0342e78735e3cd449ba4
>
> However, it hasn't reflected in -next yet so specifying the depends on
> above.
next-20230809 has it today - so just a day or two of sync.. no biggie.
>
> [0] https://www.ti.com/lit/pdf/spruid7
>
> Cc: Nishanth Menon <nm@xxxxxx>
> Cc: Vignesh Raghavendra <vigneshr@xxxxxx>
> Cc: Tony Lindgren <tony@xxxxxxxxxxx>
> Cc: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> Cc: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Haojian Zhuang <haojian.zhuang@xxxxxxxxxx>
For the series:
Reviewed-by: Nishanth Menon <nm@xxxxxx>
Regards,
Nishanth Menon
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