linux-kernel - RE: [v2 1/2] dt-bindings: display: panel: Add Novatek NT36672E LCD DSI

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Message-ID: <341a0546d52c43998bace0292b99ec4c@quicinc.com>
Date: Tue, 9 Jan 2024 10:36:48 +0000
From: "Ritesh Kumar (QUIC)" <quic_riteshk@...cinc.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC: "neil.armstrong@...aro.org" <neil.armstrong@...aro.org>,
        "Jessica Zhang
 (QUIC)" <quic_jesszhan@...cinc.com>,
        "sam@...nborg.org" <sam@...nborg.org>,
        "maarten.lankhorst@...ux.intel.com" <maarten.lankhorst@...ux.intel.com>,
        "mripard@...nel.org" <mripard@...nel.org>,
        "tzimmermann@...e.de"
	<tzimmermann@...e.de>,
        "airlied@...il.com" <airlied@...il.com>,
        "daniel@...ll.ch" <daniel@...ll.ch>,
        "robh+dt@...nel.org"
	<robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org"
	<krzysztof.kozlowski+dt@...aro.org>,
        "conor+dt@...nel.org"
	<conor+dt@...nel.org>,
        "Abhinav Kumar (QUIC)" <quic_abhinavk@...cinc.com>,
        "Rajeev Nandan (QUIC)" <quic_rajeevny@...cinc.com>,
        "Vishnuvardhan Prodduturi
 (QUIC)" <quic_vproddut@...cinc.com>,
        "sumit.semwal@...aro.org"
	<sumit.semwal@...aro.org>
Subject: RE: [v2 1/2] dt-bindings: display: panel: Add Novatek NT36672E LCD
 DSI


>-----Original Message-----
>From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>Sent: Monday, January 8, 2024 3:38 PM
>To: Ritesh Kumar (QUIC) <quic_riteshk@...cinc.com>; dri-
>devel@...ts.freedesktop.org; devicetree@...r.kernel.org; linux-
>kernel@...r.kernel.org
>Cc: neil.armstrong@...aro.org; Jessica Zhang (QUIC)
><quic_jesszhan@...cinc.com>; sam@...nborg.org;
>maarten.lankhorst@...ux.intel.com; mripard@...nel.org;
>tzimmermann@...e.de; airlied@...il.com; daniel@...ll.ch;
>robh+dt@...nel.org; krzysztof.kozlowski+dt@...aro.org; conor+dt@...nel.org;
>Abhinav Kumar (QUIC) <quic_abhinavk@...cinc.com>; Rajeev Nandan (QUIC)
><quic_rajeevny@...cinc.com>; Vishnuvardhan Prodduturi (QUIC)
><quic_vproddut@...cinc.com>; sumit.semwal@...aro.org
>Subject: Re: [v2 1/2] dt-bindings: display: panel: Add Novatek NT36672E LCD
>DSI
>
>On 08/01/2024 10:59, Ritesh Kumar wrote:
>> Document Novatek NT36672E FHD+ LCD DSI panel.
>>
>> Signed-off-by: Ritesh Kumar <quic_riteshk@...cinc.com>
>>
>> ---
>> v2: Fixed review comments from Krzysztof
>
>Please use standard email subjects, so with the PATCH keyword in the title. `git
>format-patch` helps here to create proper versioned patches.
>Another useful tool is b4. Skipping the PATCH keyword makes filtering of emails
>more difficult thus making the review process less convenient.

I am using git format-patch only. I think the name of series is changed causing the trouble.

>
>>       - renamed to novatek,nt36672e, since the binding is for the IC and
>>         not the panel.
>>       - moved additionalProperties after required.
>> ---
>>  .../display/panel/novatek,nt36672e.yaml       | 66 +++++++++++++++++++
>>  1 file changed, 66 insertions(+)
>>  create mode 100644
>> Documentation/devicetree/bindings/display/panel/novatek,nt36672e.yaml
>>
>> diff --git
>>
>a/Documentation/devicetree/bindings/display/panel/novatek,nt36672e.yam
>> l
>>
>b/Documentation/devicetree/bindings/display/panel/novatek,nt36672e.yam
>> l
>> new file mode 100644
>> index 000000000000..dc4672f3d01d
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/display/panel/novatek,nt36672e
>> +++ .yaml
>> @@ -0,0 +1,66 @@
>> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause %YAML 1.2
>> +---
>> +$id:
>> +http://devicetree.org/schemas/display/panel/novatek,nt36672e.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Novatek NT36672E LCD DSI Panel
>> +
>> +maintainers:
>> +  - Ritesh Kumar <quic_riteshk@...cinc.com>
>> +
>> +allOf:
>> +  - $ref: panel-common.yaml#
>> +
>> +properties:
>> +  compatible:
>> +    const: novatek,nt36672e
>> +
>> +  reg:
>> +    maxItems: 1
>> +    description: DSI virtual channel
>> +
>> +  vddi-supply: true
>> +  avdd-supply: true
>> +  avee-supply: true
>
>Are these names of pins? Somehow I have troubles believing that NT36672A
>and NT36672E have entirely different names for these...

Yes, these are name of pins.

Below is the Pin Description from NT36672E Datasheet:

vddi - Power supply to the I/O.
avdd - Positive input analog power for driver IC use.
avee - Negative input analog power for driver IC use.

I could not find datasheet of NT36672A online to compare  the names.

Thanks,
Ritesh