linux-kernel - Re: [PATCH 1/2] media: ov2680: dt: Add bindings for OV2680

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Message-ID: <m3k1v3kb4m.fsf@linaro.org>
Date:   Fri, 23 Feb 2018 14:56:41 +0000
From:   Rui Miguel Silva <rui.silva@...aro.org>
To:     Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc:     mchehab@...nel.org, hverkuil@...all.nl,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ryan Harkin <ryan.harkin@...aro.org>,
        Rui Miguel Silva <rui.silva@...aro.org>,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 1/2] media: ov2680: dt: Add bindings for OV2680

Hi Sakari,
Thanks for the review.

On Thu 22 Feb 2018 at 10:59, Sakari Ailus wrote:
> Hi Rui,
>
> Thanks for the patchset.
>
> Could you use "dt: bindings: " prefix in the subject?

Sure, no problem.

>
> On Thu, Feb 22, 2018 at 10:23:37AM +0000, Rui Miguel Silva 
> wrote:
>> Add device tree binding documentation for the OV5640 camera 
>> sensor.
>> 
>> CC: devicetree@...r.kernel.org
>> Signed-off-by: Rui Miguel Silva <rui.silva@...aro.org>
>> ---
>>  .../devicetree/bindings/media/i2c/ov2680.txt       | 34 
>>  ++++++++++++++++++++++
>>  1 file changed, 34 insertions(+)
>>  create mode 100644 
>>  Documentation/devicetree/bindings/media/i2c/ov2680.txt
>> 
>> diff --git 
>> a/Documentation/devicetree/bindings/media/i2c/ov2680.txt 
>> b/Documentation/devicetree/bindings/media/i2c/ov2680.txt
>> new file mode 100644
>> index 000000000000..f9dc63ce5044
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/media/i2c/ov2680.txt
>> @@ -0,0 +1,34 @@
>> +* Omnivision OV2680 MIPI CSI-2 sensor
>> +
>> +Required Properties:
>> +- compatible: should be "ovti,ov2680"
>> +- clocks: reference to the xvclk input clock.
>> +- clock-names: should be "xvclk".
>> +
>> +Optional Properties:
>> +- powerdown-gpios: reference to the GPIO connected to the 
>> powerdown pin,
>> +		     if any. This is an active high signal to the 
>> OV2680.
>> +
>> +The device node must contain one 'port' child node for its 
>> digital output
>
> Please add that the port contains a single endpoint as well.

Ack.

>
>> +video port, in accordance with the video interface bindings 
>> defined in
>> +Documentation/devicetree/bindings/media/video-interfaces.txt.
>
> Please list required and optional endpoint properties as well.

OK.

---
Cheers,
	Rui

>
>> +
>> +Example:
>> +
>> +&i2c2 {
>> +	ov2680: camera-sensor@36 {
>> +		compatible = "ovti,ov2680";
>> +		reg = <0x36>;
>> +		clocks = <&osc>;
>> +		clock-names = "xvclk";
>> +		powerdown-gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>;
>> +
>> +		port {
>> +			ov2680_mipi_ep: endpoint {
>> +				remote-endpoint = 
>> <&mipi_sensor_ep>;
>> +				clock-lanes = <0>;
>> +				data-lanes = <1>;
>> +			};
>> +		};
>> +	};
>> +};