Re: [PATCH v21 3/8] dt-bindings: display: bridge: Add Cadence MHDP8501

Krzysztof Kozlowski
2026-04-08T06:42:14Z

On Tue, Apr 07, 2026 at 02:31:27PM +0000, Laurentiu Palcu wrote:
> From: Sandor Yu <Sandor.yu@nxp.com>
>
> Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge.
>
> Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>
> Signed-off-by: Laurentiu Palcu <laurentiu.palcu@oss.nxp.com>
> ---
> .../bindings/display/bridge/cdns,mhdp8501.yaml | 131 +++++++++++++++++++++
> 1 file changed, 131 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml
> new file mode 100644
> index 0000000000000..77e16ee9d855d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml
> @@ -0,0 +1,131 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/bridge/cdns,mhdp8501.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Cadence MHDP8501 DP/HDMI bridge
> +
> +maintainers:
> + - Sandor Yu <Sandor.yu@nxp.com>
> +
> +description:
> + Cadence MHDP8501 DisplayPort/HDMI interface.
> +
> +properties:
> + compatible:
> + enum:
> + - fsl,imx8mq-mhdp8501
> +
> + reg:
> + maxItems: 1
> +
> + clocks:
> + maxItems: 1
> + description: MHDP8501 DP/HDMI APB clock.
> +
> + phys:
> + maxItems: 1
> + description:
> + phandle to the DP/HDMI PHY
> +
> + interrupts:
> + items:
> + - description: Hotplug cable plugin.
> + - description: Hotplug cable plugout.
> +
> + interrupt-names:
> + items:
> + - const: plug_in
> + - const: plug_out
> +
> + cdns,bridge-type:

Drop property. Graph defines what is connected on the other side. And if
this is for different devices then compatible tells what bridge is that.

Best regards,
Krzysztof