Re: [PATCH 1/2] dt-bindings: panel: Add Samsung S6E3FA2 panel

[Sam Ravnborg <sam@ravnborg.org>]

Hi Alexey,
On Sun, Jul 25, 2021 at 05:03:37PM +0300, Alexey Minnekhanov wrote:
> The Samsung S6E3FA2 AMOLED cmd LCD panel is used on Samsung Galaxy
> S5 (klte) phone.
> 
> Signed-off-by: Alexey Minnekhanov <alexeymin@postmarketos.org>
> ---
>  .../display/panel/samsung,s6e3fa2.yaml        | 63 +++++++++++++++++++
>  1 file changed, 63 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/samsung,s6e3fa2.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/samsung,s6e3fa2.yaml b/Documentation/devicetree/bindings/display/panel/samsung,s6e3fa2.yaml
> new file mode 100644
> index 000000000000..d5628ae81141
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/samsung,s6e3fa2.yaml
> @@ -0,0 +1,63 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/samsung,s6e3fa2.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Samsung s6e3fa2 AMOLED CMD LCD DSI panel
> +
> +maintainers:
> +  - Alexey Minnekhanov <alexeymin@postmarketos.org>
> +
> +allOf:
> +  - $ref: panel-common.yaml#
> +
> +properties:
> +  compatible:
> +    const: samsung,s6e3fa2
> +
> +  reg: true
> +  reset-gpios: true
> +  port: true
> +
> +  iovdd-supply:
> +    description: IOVDD regulator
> +
> +  vddr-supply:
> +    description: VDDR regulator
> +
> +required:
> +  - compatible
reg?

> +  - reset-gpios
> +  - iovdd-supply
> +  - vddr-supply

> +
> +unevaluatedProperties: false
As I do not see the DT node pull in additional preperties from another
binding the more strict:
additionalProperties: false seems to be the right choise here.
In this way the DT check will catch if thre are properties specified
that are not listed by the binding.

With this fixed:
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>

	Sam

> +
> +examples:
> +  - |
> +    /* from Samsung Galaxy S5 klte */
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    dsi {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        panel@0 {
> +            compatible = "samsung,s6e3fa2";
> +            reg = <0>;
> +
> +            reset-gpios = <&pma8084_gpios 17 GPIO_ACTIVE_LOW>;
> +
> +            iovdd-supply = <&pma8084_lvs4>;
> +            vddr-supply = <&vreg_panel>;
> +
> +            port {
> +                panel_in: endpoint {
> +                    remote-endpoint = <&dsi0_out>;
> +                };
> +            };
> +        };
> +    };
> +
> +...
> -- 
> 2.31.1