Re: [PATCH v3 2/9] dt-bindings: dma: nvidia,tegra186-gpc-dma: Make reset optional

[Rob Herring (Arm)]

On Mon, 16 Mar 2026 22:48:16 +0530, Akhil R wrote:
> On Tegra264, GPCDMA reset control is not exposed to Linux and is handled
> by the boot firmware.
> 
> Although the reset was not exposed in Tegra234 as well, the firmware
> supported a dummy reset which just returns success on reset without doing
> an actual reset. This is also not supported in Tegra264. Therefore mark
> 'reset' and 'reset-names' properties as required only for devices prior
> to Tegra264.
> 
> This also necessitates that the Tegra264 compatible be standalone and
> cannot have the fallback compatible of Tegra186. Since there is no
> functional impact, we keep reset as required for Tegra234 to avoid
> breaking the ABI.
> 
> Signed-off-by: Akhil R <akhilrajeev@xxxxxxxxxx>
> ---
>  .../bindings/dma/nvidia,tegra186-gpc-dma.yaml | 25 +++++++++++++------
>  1 file changed, 18 insertions(+), 7 deletions(-)
> 

Acked-by: Rob Herring (Arm) <robh@xxxxxxxxxx>