Re: [RFC PATCH v1 3/5] dt-binding: tegra: Add VI and CSI bindings

Sowjanya Komatineni
2020-01-28T21:04:14Z

On 1/28/20 12:32 PM, Helen Koike wrote:
> External email: Use caution opening links or attachments
>
>
> 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
Thanks Helen. Will add in v2.
>
>> - epp: encoder pre-processor
>>
>> Required properties:
>>