Hi Vladimir,
Thank you for your feedback
On 2/21/2017 3:58 PM, Vladimir Zapolskiy wrote:
> Hi Ramiro,
>
> On 02/17/2017 03:14 PM, Ramiro Oliveira wrote:
>> Create device tree bindings documentation.
>>
>> Signed-off-by: Ramiro Oliveira <roliveir@xxxxxxxxxxxx>
>> Acked-by: Rob Herring <robh@xxxxxxxxxx>
>> ---
>> .../devicetree/bindings/media/i2c/ov5647.txt | 35 ++++++++++++++++++++++
>> 1 file changed, 35 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/media/i2c/ov5647.txt
>>
>> diff --git a/Documentation/devicetree/bindings/media/i2c/ov5647.txt b/Documentation/devicetree/bindings/media/i2c/ov5647.txt
>> new file mode 100644
>> index 000000000000..31956426d3b9
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/media/i2c/ov5647.txt
>> @@ -0,0 +1,35 @@
>> +Omnivision OV5647 raw image sensor
>> +---------------------------------
>> +
>> +OV5647 is a raw image sensor with MIPI CSI-2 and CCP2 image data interfaces
>> +and CCI (I2C compatible) control bus.
>> +
>> +Required properties:
>> +
>> +- compatible : "ovti,ov5647".
>> +- reg : I2C slave address of the sensor.
>> +- clocks : Reference to the xclk clock.
>
> Is "xclk" clock a pixel clock or something else?
>
It's an external oscillator.
>> +- clock-names : Should be "xclk".
>
> You can remove this property, because there is only one source clock.
>
Ok.
>> +- clock-frequency : Frequency of the xclk clock.
>
> And after the last updates in the driver this property can be removed as well.
>
But I'm still using clk_get_rate in the driver, if I remove the frequency here
the probing will fail.
>> +
>> +The common video interfaces bindings (see video-interfaces.txt) should be
>> +used to specify link to the image data receiver. The OV5647 device
>> +node should contain one 'port' child node with an 'endpoint' subnode.
>> +
>> +Example:
>> +
>> + i2c@2000 {
>> + ...
>> + ov: camera@36 {
>> + compatible = "ovti,ov5647";
>> + reg = <0x36>;
>> + clocks = <&camera_clk>;
>> + clock-names = "xclk";
>> + clock-frequency = <25000000>;
>
> When you remove two unused properties, please don't forget to update the
> example.
>
Ok.
>> + port {
>> + camera_1: endpoint {
>> + remote-endpoint = <&csi1_ep1>;
>> + };
>> + };
>> + };
>> + };
>>
>
> --
> With best wishes,
> Vladimir
>
--
Best Regards
Ramiro Oliveira
Ramiro.Oliveira@xxxxxxxxxxxx
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