Re: [PATCH v2 1/4] dt-bindings: display: panel: Add Novatek NT37705

[Rob Herring <robh@kernel.org>]

On Fri, Sep 18, 2026 at 04:40:04PM +0200, Luca Weiss wrote:
> Novatek NT37705 is a display driver IC used to drive AMOLED DSI panels.
> 
> Describe it and the panel in the Fairphone (Gen. 6) (BJ631JHM-T71-D900
> from BOE) using it.
> 
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
> Link: https://lore.kernel.org/r/81a3c207-4d8f-490f-8e2a-6f3f4c2acd35@kernel.org/
> Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
> ---
>  .../bindings/display/panel/novatek,nt37705.yaml    | 72 ++++++++++++++++++++++
>  1 file changed, 72 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/novatek,nt37705.yaml b/Documentation/devicetree/bindings/display/panel/novatek,nt37705.yaml
> new file mode 100644
> index 000000000000..1c796599f6fc
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/novatek,nt37705.yaml

Did novatek,nt37705 get dropped as a compatible, but the filename 
remains?

> @@ -0,0 +1,72 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/novatek,nt37705.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Novatek NT37705-based DSI display panels
> +
> +maintainers:
> +  - Luca Weiss <luca.weiss@fairphone.com>
> +
> +description:
> +  The Novatek NT37705 is a generic DSI Panel IC used to control AMOLED panels.
> +
> +allOf:
> +  - $ref: panel-common.yaml#
> +
> +properties:
> +  compatible:
> +    contains:

As sashiko reports, "contains" is too loose.

> +      const: boe,bj631jhm-t71-d900
> +
> +  reg:
> +    maxItems: 1
> +
> +  vddio-supply:
> +    description: I/O voltage rail
> +
> +  dvdd-supply:
> +    description: Digital voltage rail
> +
> +  vci-supply:
> +    description: Analog voltage rail
> +
> +required:
> +  - compatible
> +  - reg
> +  - reset-gpios
> +  - vddio-supply
> +  - dvdd-supply
> +  - vci-supply
> +  - port
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    dsi {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        panel@0 {
> +            compatible = "boe,bj631jhm-t71-d900";
> +            reg = <0>;
> +
> +            reset-gpios = <&tlmm 12 GPIO_ACTIVE_LOW>;
> +
> +            vci-supply = <&vreg_l19b>;
> +            vddio-supply = <&vreg_l9b>;
> +            dvdd-supply = <&vreg_oled_dvdd_1p2>;
> +
> +            port {
> +                panel_in_0: endpoint {
> +                    remote-endpoint = <&dsi0_out>;
> +                };
> +            };
> +        };
> +    };
> +
> +...
> 
> -- 
> 2.55.0
>