Re: [RFC uL PATCH 0/2] Add TI's event mux router driver and build

[Sharma, Rahul]

Hi,

A note point for this patch series,

1) Subject prefix has "uL" which means upstream Linux. This got added by
mistake.

2) In both the patches of this series the commit header should use "mux"
instead of "mux-controller".

I will correct above but would wait for 1st round of comments before
re-spin.

BR,
Rahul

On 3/13/2026 11:34 AM, Rahul Sharma wrote:
> This series contains the event mux router support present in TI's K3
> platforms. The event mux router are of 2 types
> 1) gpio-mux router
> 2) timesync router
> 
> In normal scenarios, GPIO signals are received by CPU via GIC, but the
> gpio mux router routes the incoming GPIO signal to BCDMA(Block copy
> DMA) which the DMA upon receiving uses as HW triger to perform a single
> block transfer or as configured.
> 
> Time sync router does the same but for the time synchronization based
> events.
> 
> This driver supports both the routers but this patch series adds support
> only for GPIO-mux router.
> 
> Rahul Sharma (2):
>   dt-bindings: mux-controller: ti: add binding for event mux router
>   mux-controller: ti: add driver for event mux router
> 
>  .../mux/ti,am62l-event-mux-router.yaml        |  79 ++++++
>  drivers/mux/Kconfig                           |  15 ++
>  drivers/mux/Makefile                          |   2 +
>  drivers/mux/ti-k3-event-mux.c                 | 235 ++++++++++++++++++
>  4 files changed, 331 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mux/ti,am62l-event-mux-router.yaml
>  create mode 100644 drivers/mux/ti-k3-event-mux.c
>