On Tue, Nov 08, 2022 at 09:00:08PM +0800, Sandor Yu wrote:
> Add bindings for i.MX8MQ MHDP DisplayPort.
>
> Signed-off-by: Sandor Yu <Sandor.yu at nxp.com>
> ---
> .../display/bridge/cdns,mhdp-imx8mq-dp.yaml | 59 +++++++++++++++++++
> 1 file changed, 59 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml
>
> diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml
> new file mode 100644
> index 000000000000..c4d5362db2b5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml
> @@ -0,0 +1,59 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/bridge/cdns,mhdp-imx8mq-dp.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Cadence MHDP Displayport bridge
> +
> +maintainers:
> + - Sandor Yu <Sandor.yu at nxp.com>
> +
> +description:
> + The Cadence MHDP Displayport TX interface.
> +
> +properties:
> + compatible:
> + enum:
> + - cdns,mhdp-imx8mq-dp
> +
> + reg:
> + maxItems: 1
> +
> + phys:
> + maxItems: 1
> +
> + interrupts:
> + items:
> + - description: Hotplug detect interrupter for cable plugin event.
> + - description: Hotplug detect interrupter for cable plugout event.
> +
> + interrupt-names:
> + items:
> + - const: plug_in
> + - const: plug_out
> +
> + port:
> + $ref: /schemas/graph.yaml#/properties/port
> + description:
> + A port node pointing to the output port of a display controller.
Similarly, you need an output port to DP (or USB-C) connector.
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + mhdp_dp: dp-bridge at 32c00000 {
> + compatible = "cdns,mhdp-imx8mq-dp";
> + reg = <0x32c00000 0x100000>;
> + interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "plug_in", "plug_out";
> + phys = <&dp_phy>;
> +
> + port {
> + mhdp_in: endpoint {
> + remote-endpoint = <&dcss_out>;
> + };
> + };
> + };
> --
> 2.34.1
>
>