Re: [PATCH v3 1/5] dt-bindings: i2c: nvidia,tegra20-i2c: Document Tegra264 I2C

Conor Dooley
2025-06-09T16:09:58Z

[-- Attachment #1: Type: text/plain, Size: 1900 bytes --]

On Mon, Jun 09, 2025 at 03:04:16PM +0530, Kartik Rajput wrote:
> iTegra264 has 17 generic I2C controllers, two of which are in always-on
> partition of the SoC. In addition to the features supported by Tegra194
> it also supports a SW mutex register to allow sharing the same I2C
> instance across multiple firmware.
>
> Document compatible string "nvidia,tegra264-i2c" for Tegra264 I2C.
>
> Signed-off-by: Kartik Rajput <kkartik@nvidia.com>

Acked-by: Conor Dooley <conor.dooley@microchip.com>

> ---
> v2 -> v3:
> * Add constraints for "nvidia,tegra264-i2c".
> v1 -> v2:
> * Fixed typos.
> ---
> .../devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml
> index 6b6f6762d122..f0693b872cb6 100644
> --- a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml
> +++ b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml
> @@ -80,6 +80,12 @@ properties:
> support for 64 KiB transactions whereas earlier chips supported no
> more than 4 KiB per transactions.
> const: nvidia,tegra194-i2c
> + - description:
> + Tegra264 has 17 generic I2C controllers, two of which are in the AON
> + (always-on) partition of the SoC. In addition to the features from
> + Tegra194, a SW mutex register is added to support use of the same I2C
> + instance across multiple firmwares.
> + const: nvidia,tegra264-i2c
>
> reg:
> maxItems: 1
> @@ -186,6 +192,7 @@ allOf:
> contains:
> enum:
> - nvidia,tegra194-i2c
> + - nvidia,tegra264-i2c
> then:
> required:
> - resets
> --
> 2.43.0
>

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 228 bytes --]