[PATCH 1/4] dt-bindings: display: imx: add binding for i.MX8MP HDMI TX

[Krzysztof Kozlowski]

On 26/08/2022 22:24, Lucas Stach wrote:
> The HDMI TX controller on the i.MX8MP SoC is a Synopsys designware IP
> core with a little bit of SoC integration around it.
> 
> Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
> Tested-by: Marek Vasut <marex at denx.de>

What tested-by means in the terms of bindings? What tests were applied
exactly?

> ---
>  .../bindings/display/imx/fsl,imx8mp-hdmi.yaml | 74 +++++++++++++++++++
>  1 file changed, 74 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi.yaml
> new file mode 100644
> index 000000000000..14f7cd47209c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi.yaml
> @@ -0,0 +1,74 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/imx/fsl,imx8mp-hdmi.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Freescale i.MX8MP DWC HDMI TX Encoder
> +
> +maintainers:
> +  - Lucas Stach <l.stach at pengutronix.de>
> +
> +description: |
> +  The HDMI transmitter is a Synopsys DesignWare HDMI 2.0 TX controller IP.
> +
> +allOf:
> +  - $ref: ../bridge/synopsys,dw-hdmi.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - fsl,imx8mp-hdmi
> +
> +  reg:
> +    maxItems: 1
> +
> +  reg-io-width:
> +    const: 1
> +
> +  clocks:
> +    maxItems: 5
> +
> +  clock-names:
> +    items:
> +      - {}
> +      - {}

Clocks should be strictly defined.

> +      - const: cec
> +      - const: pix
> +      - const: fdcc
> +
> +  interrupts:
> +    maxItems: 1

This is coming from synopsys. Skip it and use unevaluatedProperties:false

reg actually as well...

> +
> +  power-domains:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +  - interrupts
> +  - power-domains
> +
> +additionalProperties: false
> +

Best regards,
Krzysztof