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

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Date:   Mon, 13 Feb 2023 19:29:48 +0800
From:   Jianhua Lu <lujianhua000@...il.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
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 Mon, Feb 13, 2023 at 12:23:04PM +0100, Krzysztof Kozlowski wrote:
> On 13/02/2023 12:20, Jianhua Lu wrote:
> > On Mon, Feb 13, 2023 at 12:08:27PM +0100, Krzysztof Kozlowski wrote:
> >> 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.
> > both are company name, I will search offical name for it.
> 
> "cost" is company name? Then why do you call binding with different one?
"cost" is a typo error, real name is "csot".
> 
> >>
> >>>>
> >>>>> +  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?
> > sorry, my wrong. This binding only support 1600x2560.
> 
> How binding can support only 1600x2560? How does it exactly work for
> binding?
the driver of this binding support 1600x2560 and panels are 1600x2560.
> 
> 
> Best regards,
> Krzysztof
>