Re: [PATCH 2/6] dt-bindings: i2c: tegra: Add Tegra234 details

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On Thu, Jan 13, 2022 at 07:00:19PM +0530, Akhil R wrote:
> Add documentation for Tegra234 I2C compatible.
> 
> Signed-off-by: Akhil R <akhilrajeev@xxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml
> index 424a4fc..c58e256 100644
> --- a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml
> +++ b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml
> @@ -80,6 +80,11 @@ properties:
>            support for 64 KiB transactions whereas earlier chips supported no
>            more than 4 KiB per transactions.
>          const: nvidia,tegra194-i2c
> +      - description: |
> +          Tegra234 has 8 generic I2C controllers, two of which are in the AON
> +          (always-on) partition of the SoC. All of these controllers are
> +          similar to those found on Tegra194.
> +        const: nvidia,tegra234-i2c

Sounds like this needs a fallback to nvidia,tegra194-i2c if it works, 
but without optimal timing.

Rob



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