Re: [PATCH v3 3/6] dt-bindings: display: simple: Add Microtips & Lincolntech Dual-LVDS Panels

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Hi Liu,

Thanks for reviewing the patch.

On 16/05/24 07:49, Liu Ying wrote:
> On 5/15/24 17:51, Aradhya Bhatia wrote:
>> Add the Microtips Technology USA's MF-101HIEBCAF0 10.1"[0] panel,
>> MF-103HIEB0GA0 10.25"[1] panel, and Lincoln Technology Solutions'
>> LCD185-101CT 10.1"[2] panel.
>>
>> Thes are all dual-lvds panels.
>>
>> Panel Links:
>> [0]: https://simplespec.microtipsusa.com/uploads/spec/datasheetFile/2588/13-101HIEBCAF0-S_V1.1_20221104.pdf
>> [1]: https://simplespec.microtipsusa.com/uploads/spec/datasheetFile/2660/13-103HIEB0GA0-S_V1.0_20211206.pdf
> 
> This one mentions some controls in '3. PIN DESCRIPTION' which
> don't comply with this binding, like RL, TB, STBYB and RESET.
> Note this binding only allows compatible, ports, backlight,
> enable-gpios and power-supply properties, nothing more.
>

Maybe the internal module _can_ support these control options but the
actual panel hardware does not expose any of these controls on its
connector pin-out, and hence has no possibility for additional SW
control. Even for the usage, the device-tree node for the panel only has
"compatible" and "ports" properties defined.

The panel is being used within the confines of a simple panel.

Regards
Aradhya

> 
>> [2]: https://lincolntechsolutions.com/wp-content/uploads/2023/04/LCD185-101CTL1ARNTT_DS_R1.3.pdf
>>
>> Signed-off-by: Aradhya Bhatia <a-bhatia1@xxxxxx>
>> ---
>>  .../display/panel/panel-simple-lvds-dual-ports.yaml         | 6 ++++++
>>  1 file changed, 6 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple-lvds-dual-ports.yaml b/Documentation/devicetree/bindings/display/panel/panel-simple-lvds-dual-ports.yaml
>> index 716ece5f3978..e78160d1aa24 100644
>> --- a/Documentation/devicetree/bindings/display/panel/panel-simple-lvds-dual-ports.yaml
>> +++ b/Documentation/devicetree/bindings/display/panel/panel-simple-lvds-dual-ports.yaml
>> @@ -41,6 +41,12 @@ properties:
>>        - auo,g190ean01
>>          # Kaohsiung Opto-Electronics Inc. 10.1" WUXGA (1920 x 1200) LVDS TFT LCD panel
>>        - koe,tx26d202vm0bwa
>> +        # Lincoln Technology Solutions, LCD185-101CT 10.1" TFT 1920x1200
>> +      - lincolntech,lcd185-101ct
>> +        # Microtips Technology MF-101HIEBCAF0 10.1" WUXGA (1920x1200) TFT LCD panel
>> +      - microtips,mf-101hiebcaf0
>> +        # Microtips Technology MF-103HIEB0GA0 10.25" 1920x720 TFT LCD panel
>> +      - microtips,mf-103hieb0ga0
>>          # NLT Technologies, Ltd. 15.6" FHD (1920x1080) LVDS TFT LCD panel
>>        - nlt,nl192108ac18-02d
>>  
> 



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