linux-kernel - Re: [PATCH 1/2] dt-bindings: display: panel: Add Novatek NT36523 bindings

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Message-ID: <ad5dd369-842f-7301-e57d-d0445f0a5268@linaro.org>
Date:   Mon, 13 Feb 2023 12:08:27 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Jianhua Lu <lujianhua000@...il.com>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: display: panel: Add Novatek NT36523
 bindings

On 13/02/2023 12:04, Jianhua Lu wrote:
> On Mon, Feb 13, 2023 at 11:45:23AM +0100, Krzysztof Kozlowski wrote:
>> On 10/02/2023 17:19, Jianhua Lu wrote:
>>> Novatek NT36523 is a display driver IC that can drive DSI panel. It
>>> is also present in the csot and boe video mode panels. It is found
>>> in Xiaomi Mi Pad 5 series.
>>>
>>> Signed-off-by: Jianhua Lu <lujianhua000@...il.com>
>>> ---
>>>  .../display/panel/novatek,nt36523.yaml        | 101 ++++++++++++++++++
>>>  1 file changed, 101 insertions(+)
>>>  create mode 100644 Documentation/devicetree/bindings/display/panel/novatek,nt36523.yaml
>>>
>>> diff --git a/Documentation/devicetree/bindings/display/panel/novatek,nt36523.yaml b/Documentation/devicetree/bindings/display/panel/novatek,nt36523.yaml
>>> new file mode 100644
>>> index 000000000000..a7098d0ce7e1
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/display/panel/novatek,nt36523.yaml
>>> @@ -0,0 +1,101 @@
>>> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
>>> +%YAML 1.2
>>> +---
>>> +$id: http://devicetree.org/schemas/display/panel/novatek,nt36523.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: Novatek NT36523 based DSI display Panels
>>> +
>>> +maintainers:
>>> +  - Jianhua Lu <lujianhua000@...il.com>
>>> +
>>> +description: |
>>> +  The nt36523 IC from Novatek is a generic DSI Panel IC used to drive dsi
>>> +  panels.
>>> +  Right now, only support cost and boe LCD display panels with the
>>
>> boe? both?
> Boe Technology Group Co., Ltd

Then what is "cost"? If both are names, then they start with capital
letters or how the company officially spells itself.

>>
>>> +  resolution of 1600x2560. It is a video mode DSI panel.
>>
>> The binding or hardware supports only 1600x2560? The how it can be
>> "right now"? It's defined, isn't it?
> Yes

What yes? How it can be "right now"? It implies it will change, so how
hardware can change?


Best regards,
Krzysztof