linux-kernel - Re: [PATCH 1/2] dt-bindings: display: panel: document the Visionox VTDR6130 AMOLED DSI Panel bindings

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Date:   Thu, 5 Jan 2023 10:55:06 +0100
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Sam Ravnborg <sam@...nborg.org>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        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-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: display: panel: document the Visionox
 VTDR6130 AMOLED DSI Panel bindings

On 03/01/2023 18:57, Sam Ravnborg wrote:
> Hi Neil,
> 
> On Tue, Jan 03, 2023 at 03:22:27PM +0100, Neil Armstrong wrote:
>> Document the 1080x2400 Visionox VTDR6130 AMOLED DSI Panel bindings.
>>
>> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
>> ---
>>   .../bindings/display/panel/visionox,vtdr6130.yaml  | 53 ++++++++++++++++++++++
>>   1 file changed, 53 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/display/panel/visionox,vtdr6130.yaml b/Documentation/devicetree/bindings/display/panel/visionox,vtdr6130.yaml
>> new file mode 100644
>> index 000000000000..49e2fd4b4e99
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/display/panel/visionox,vtdr6130.yaml
>> @@ -0,0 +1,53 @@
>> +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/display/panel/visionox,vtdr6130.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Visionox VTDR6130 AMOLED DSI Panel
>> +
>> +maintainers:
>> +  - Neil Armstrong <neil.armstrong@...aro.org>
>> +
>> +allOf:
>> +  - $ref: panel-common.yaml#
>> +
>> +properties:
>> +  compatible:
>> +    const: visionox,vtdr6130
>> +
>> +  vddio-supply: true
>> +  vci-supply: true
>> +  vdd-supply: true
> These 3 looks wrong to me, as the above are not documented in panel-common.
> But maybe I miss something and this is OK?

It should be OK, the XXXX-supply properties are standard properties

Neil

> 
> 	Sam
> 
>> +  port: true
>> +  reset-gpios: true
>> +
>> +additionalProperties: false
>> +
>> +required:
>> +  - compatible
>> +  - vddio-supply
>> +  - vci-supply
>> +  - vdd-supply
>> +  - reset-gpios
>> +  - port
>> +
>> +examples:
>> +  - |
>> +    #include <dt-bindings/gpio/gpio.h>
>> +    panel {
>> +        compatible = "visionox,vtdr6130";
>> +
>> +        vddio-supply = <&vreg_l12b_1p8>;
>> +        vci-supply = <&vreg_l13b_3p0>;
>> +        vdd-supply = <&vreg_l11b_1p2>;
>> +
>> +        reset-gpios = <&tlmm 133 GPIO_ACTIVE_LOW>;
>> +
>> +        port {
>> +            panel0_in: endpoint {
>> +                remote-endpoint = <&dsi0_out>;
>> +            };
>> +        };
>> +    };
>> +...
>>
>> -- 
>> 2.34.1