linux-kernel - Re: [PATCH 2/5] dt-bindings: i2c: nvidia,tegra20-i2c: Document Tegra264 I2C

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Message-ID: <20250110155509.GA2935916-robh@kernel.org>
Date: Fri, 10 Jan 2025 09:55:09 -0600
From: Rob Herring <robh@...nel.org>
To: Kartik Rajput <kkartik@...dia.com>
Cc: akhilrajeev@...dia.com, andi.shyti@...nel.org, krzk+dt@...nel.org,
	conor+dt@...nel.org, thierry.reding@...il.com, jonathanh@...dia.com,
	ldewangan@...dia.com, digetx@...il.com, linux-i2c@...r.kernel.org,
	devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/5] dt-bindings: i2c: nvidia,tegra20-i2c: Document
 Tegra264 I2C

On Wed, Jan 08, 2025 at 04:36:17PM +0530, Kartik Rajput wrote:
> Tegra264 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 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@...dia.com>
> ---
>  .../devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml         | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml
> index b57ae6963e62..2a016359328e 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: |

Don't need '|' if no formatting.

> +          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
> +          T194, a MUTEX register is added to support use of the same I2C
> +          instance across multiple firmware.
> +        const: nvidia,tegra264-i2c
>  
>    reg:
>      maxItems: 1
> -- 
> 2.43.0
>