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Subject: Re: [RFC PATCH v5 5/9] 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, helen.koike@collabora.com
Cc:     sboyd@kernel.org, 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: <1584985955-19101-1-git-send-email-skomatineni@nvidia.com>
 <1584985955-19101-6-git-send-email-skomatineni@nvidia.com>
From:   Dmitry Osipenko <digetx@gmail.com>
Message-ID: <2256dc66-f3f9-3400-85e9-0641729b1316@gmail.com>
Date:   Tue, 24 Mar 2020 22:20:01 +0300
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23.03.2020 20:52, Sowjanya Komatineni пишет:
> 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>
> ---
>  .../display/tegra/nvidia,tegra20-host1x.txt        | 67 +++++++++++++++++-----
>  1 file changed, 54 insertions(+), 13 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt
> index 9999255..9421569 100644
> --- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt
> +++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt
> @@ -40,14 +40,25 @@ 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.
> +  - clocks: Must contain an entry for the module clock "vi"
>      See ../clocks/clock-bindings.txt for details.

> -  - resets: Must contain an entry for each entry in reset-names.
> -    See ../reset/reset.txt for details.
> -  - reset-names: Must include the following entries:
> -    - vi

This should be a wrong change because ARM32 Tegra SoCs do not use power
domain.

> +  - power-domains: Must include venc powergate node as vi is in VE partition.