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From: Luca Ceresoli <luca@lucaceresoli.net>
To: Vishal Sagar <vsagar@xilinx.com>,
	Vishal Sagar <vishal.sagar@xilinx.com>,
	Hyun Kwon <hyunk@xilinx.com>,
	"laurent.pinchart@ideasonboard.com" 
	<laurent.pinchart@ideasonboard.com>,
	"mchehab@kernel.org" <mchehab@kernel.org>,
	"robh+dt@kernel.org" <robh+dt@kernel.org>,
	"mark.rutland@arm.com" <mark.rutland@arm.com>,
	Michal Simek <michals@xilinx.com>,
	"linux-media@vger.kernel.org" <linux-media@vger.kernel.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"sakari.ailus@linux.intel.com" <sakari.ailus@linux.intel.com>,
	"hans.verkuil@cisco.com" <hans.verkuil@cisco.com>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Dinesh Kumar <dineshk@xilinx.com>,
	Sandip Kothari <sandipk@xilinx.com>
Subject: Re: [PATCH v3 1/2] media: dt-bindings: media: xilinx: Add Xilinx MIPI CSI-2 Rx Subsystem
Date: Mon, 11 Mar 2019 13:08:06 +0100	[thread overview]
Message-ID: <1f698576-89b2-e264-387e-6db4c5a4713a@lucaceresoli.net> (raw)
In-Reply-To: <CY4PR02MB27098AB5D144C74AE6553699A74D0@CY4PR02MB2709.namprd02.prod.outlook.com>

Hi Vishal,

On 08/03/19 20:04, Vishal Sagar wrote:
>>> +Optional properties:
>>> +--------------------
>>> +- xlnx,vfb: This is present when Video Format Bridge is enabled.
>>> +  Without this property the driver won't be loaded as IP won't be able to
>> generate
>>> +  media bus format compliant stream output.
>>> +- xlnx,en-csi-v2-0: Present if CSI v2 is enabled in IP configuration.
>>> +- xlnx,en-vcx: When present, there are maximum 16 virtual channels, else
>>> +  only 4. This is present only if xlnx,en-csi-v2-0 is present.
>>> +- xlnx,en-active-lanes: Enable Active lanes configuration in Protocol
>>> +  Configuration Register.
>>
>> This doesn't seem very clear to me. According to my understanding of the
>> IP and driver, I'd rather rephrase as:
>>
>> - xlnx,en-active-lanes: present if the number of active lanes can be
>>   reconfigured at runtime in the Protocol Configuration Register.
>>   If present, the V4L2_CID_XILINX_MIPICSISS_ACT_LANES is added.
>>   Otherwise all lanes are always active.
>>
> 
> Your description is better. I will update with this in next version.

Ok, thanks. But I just noticed an error in my own words...
"V4L2_CID_XILINX_MIPICSISS_ACT_LANES is added" ->
"V4L2_CID_XILINX_MIPICSISS_ACT_LANES control is added".

-- 
Luca

  reply	other threads:[~2019-03-11 12:08 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-01 12:56 [PATCH v3 0/2] Add support for Xilinx CSI2 Receiver Subsystem Vishal Sagar
2019-02-01 12:56 ` [PATCH v3 1/2] media: dt-bindings: media: xilinx: Add Xilinx MIPI CSI-2 Rx Subsystem Vishal Sagar
2019-02-11 10:42   ` Luca Ceresoli
2019-03-08 19:04     ` Vishal Sagar
2019-03-11 12:08       ` Luca Ceresoli [this message]
2019-03-12  4:36         ` Vishal Sagar
2019-02-01 12:56 ` [PATCH v3 2/2] media: v4l: " Vishal Sagar
2019-02-11 10:42   ` Luca Ceresoli
2019-02-11 12:43     ` Vishal Sagar
2019-02-11 14:30       ` Luca Ceresoli
2019-02-22 12:05         ` Vishal Sagar
2019-02-13 19:45   ` [v3,2/2] " Hyun Kwon
2019-02-22 12:06     ` Vishal Sagar

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