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Subject: Re: [RFC PATCH v1 3/5] dt-binding: tegra: Add VI and CSI bindings
To:     Sowjanya Komatineni <skomatineni@nvidia.com>,
        thierry.reding@gmail.com, jonathanh@nvidia.com, frankc@nvidia.com,
        hverkuil@xs4all.nl
Cc:     linux-media@vger.kernel.org, devicetree@vger.kernel.org,
        linux-clk@vger.kernel.org, linux-tegra@vger.kernel.org,
        linux-kernel@vger.kernel.org
References: <1580235801-4129-1-git-send-email-skomatineni@nvidia.com>
 <1580235801-4129-4-git-send-email-skomatineni@nvidia.com>
From:   Helen Koike <helen.koike@collabora.com>
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Message-ID: <ee1e61bc-918d-8f9c-592d-f9e63322a1c0@collabora.com>
Date:   Tue, 28 Jan 2020 17:32:28 -0300
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Sender: linux-kernel-owner@vger.kernel.org
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Hi,

On 1/28/20 4:23 PM, Sowjanya Komatineni wrote:
> Tegra contains VI controller which can support up to 6 MIPI CSI
> camera sensors.
> 
> Each Tegra CSI port from CSI unit can be one-to-one mapper to
> VI channel and can capture from an external camera sensor or
> from built-in test pattern generator.
> 
> This patch adds dt-bindings for Tegra VI and CSI.
> 
> Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
> ---
>  .../bindings/display/tegra/nvidia,tegra20-host1x.txt           | 10 +++++++++-
>  1 file changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt
> index 9999255ac5b6..47cd6532b7d3 100644
> --- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt
> +++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt
> @@ -40,7 +40,7 @@ of the following host1x client modules:
>  
>    Required properties:
>    - compatible: "nvidia,tegra<chip>-vi"
> -  - reg: Physical base address and length of the controller's registers.
> +  - reg: Physical base address and length of the controller registers.
>    - interrupts: The interrupt outputs from the controller.
>    - clocks: Must contain one entry, for the module clock.
>      See ../clocks/clock-bindings.txt for details.
> @@ -49,6 +49,14 @@ of the following host1x client modules:
>    - reset-names: Must include the following entries:
>      - vi
>  
> +- csi: mipi csi interface to vi
> +
> +  Required properties:
> +  - compatible: "nvidia,tegra<chip>-csi"
> +  - reg: Physical base address and length of the controller registers.
> +  - clocks: Must contain entries csi, cilab, cilcd, cile clocks.
> +    See ../clocks/clock-bindings.txt for details.
> +

I think it would be nice to add an example, in the Example section at the end of this file, same as other modules do.

Regards,
Helen

>  - epp: encoder pre-processor
>  
>    Required properties:
>