linux-kernel - Re: [PATCH 1/4] dt-bindings: display: panel: Add Samsung S6E88A0-AMS427AP24 bindings

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Message-ID: <50eda01a-2948-49e9-9b1f-eb38367d238b@rocketmail.com>
Date: Fri, 11 Oct 2024 21:38:04 +0200
From: Jakob Hauser <jahau@...ketmail.com>
To: Rob Herring <robh@...nel.org>
Cc: Neil Armstrong <neil.armstrong@...aro.org>,
 Jessica Zhang <quic_jesszhan@...cinc.com>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Thierry Reding <thierry.reding@...il.com>,
 Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
 Andrzej Hajda <a.hajda@...sung.com>, dri-devel@...ts.freedesktop.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH 1/4] dt-bindings: display: panel: Add Samsung
 S6E88A0-AMS427AP24 bindings

Hi Rob,

On 11.10.24 16:27, Rob Herring wrote:
> On Thu, Oct 10, 2024 at 08:31:48PM +0200, Jakob Hauser wrote:
>> Add bindings for Samsung AMS427AP24 panel with S6E88A0 controller.
>>
>> Signed-off-by: Jakob Hauser <jahau@...ketmail.com>
>> ---
>> Patch is based on https://gitlab.freedesktop.org/drm/misc/kernel.git
>> current branch drm-misc-next.
>> ---
>>   .../panel/samsung,s6e88a0-ams427ap24.yaml     | 68 +++++++++++++++++++
>>   1 file changed, 68 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/display/panel/samsung,s6e88a0-ams427ap24.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/display/panel/samsung,s6e88a0-ams427ap24.yaml b/Documentation/devicetree/bindings/display/panel/samsung,s6e88a0-ams427ap24.yaml
>> new file mode 100644
>> index 000000000000..7010d3bbd07f
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/display/panel/samsung,s6e88a0-ams427ap24.yaml
>> @@ -0,0 +1,68 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/display/panel/samsung,s6e88a0-ams427ap24.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Samsung AMS427AP24 panel with S6E88A0 controller
>> +
>> +maintainers:
>> +  - Jakob Hauser <jahau@...ketmail.com>
>> +
>> +allOf:
>> +  - $ref: panel-common.yaml#
>> +
>> +properties:
>> +  compatible:
>> +    const: samsung,s6e88a0-ams427ap24
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  port: true
>> +  reset-gpios: true
>> +
>> +  vdd3-supply:
>> +    description: core voltage supply
>> +
>> +  vci-supply:
>> +    description: voltage supply for analog circuits
>> +
>> +  flip-horizontal:
>> +    description: boolean to flip image horizontally
>> +    type: boolean
> 
> This is already used in another panel. Please move it to
> panel-common.yaml.
> 

I'll add a patch in v2 to move "flip-horizontal" and along with it also 
"flip-vertical" to "panel-common.yaml". File "samsung,s6e8aa0.yaml" 
needs to be changed accordingly.

@ Thierry, Laurent & Andrzej: CC'ing you as you're listed as maintainers 
of the affected files.

>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - port
>> +  - reset-gpios
>> +  - vdd3-supply
>> +  - vci-supply
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    #include <dt-bindings/gpio/gpio.h>
>> +
>> +    dsi {
>> +            #address-cells = <1>;
>> +            #size-cells = <0>;
>> +
>> +            panel@0 {
>> +                    compatible = "samsung,s6e88a0-ams427ap24";
>> +                    reg = <0>;
>> +
>> +                    vdd3-supply = <&pm8916_l17>;
>> +                    vci-supply = <&pm8916_l6>;
>> +                    reset-gpios = <&tlmm 25 GPIO_ACTIVE_LOW>;
>> +                    flip-horizontal;
>> +
>> +                    port {
>> +                            panel_in: endpoint {
>> +                                    remote-endpoint = <&mdss_dsi0_out>;
>> +                            };
>> +                    };
>> +            };
>> +    };
>> -- 
>> 2.39.5
>>

Kind regards,
Jakob