Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge.
Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>
---
v17->v18:
- remove lane-mapping and replace it with data-lanes
- remove r-b tag as property changed.
v16->v17:
- Add lane-mapping property
v9->v16:
*No change
.../display/bridge/cdns,mhdp8501.yaml | 112 ++++++++++++++++++
1 file changed, 112 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml
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..e4b900ecf1ac9
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml
@@ -0,0 +1,112 @@
+# 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
+
+ data-lanes:
+ $ref: /schemas/media/video-interfaces.yaml#/properties/data-lanes
+ minItems: 4
+ maxItems: 4
+ description: Lane reordering for HDMI or DisplayPort interface.
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Input port from display controller output.
+ port@1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Output port to DisplayPort or HDMI connector.
+
+ required:
+ - port@0
+ - port@1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - interrupts
+ - interrupt-names
+ - phys
+ - data-lanes
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/imx8mq-clock.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ mhdp: display-bridge@32c00000 {
+ compatible = "fsl,imx8mq-mhdp8501";
+ reg = <0x32c00000 0x100000>;
+ interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "plug_in", "plug_out";
+ clocks = <&clk IMX8MQ_CLK_DISP_APB_ROOT>;
+ phys = <&mdhp_phy>;
+ data-lanes = <1 2 3 4>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ mhdp_in: endpoint {
+ remote-endpoint = <&dcss_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ mhdp_out: endpoint {
+ remote-endpoint = <&dp_connector>;
+ };
+ };
+ };
+ };
--
2.34.1On Tue, Oct 29, 2024 at 02:02:11PM +0800, Sandor Yu wrote:
> Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge.
>
> Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>
> ---
> v17->v18:
> - remove lane-mapping and replace it with data-lanes
> - remove r-b tag as property changed.
>
> v16->v17:
> - Add lane-mapping property
>
> v9->v16:
> *No change
>
> .../display/bridge/cdns,mhdp8501.yaml | 112 ++++++++++++++++++
> 1 file changed, 112 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml
>
> diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml
> new file mode 100644
> index 0000000000000..e4b900ecf1ac9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml
> @@ -0,0 +1,112 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$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
> +
> + data-lanes:
> + $ref: /schemas/media/video-interfaces.yaml#/properties/data-lanes
> + minItems: 4
> + maxItems: 4
> + description: Lane reordering for HDMI or DisplayPort interface.
So, HDMI or DP port? I don't think the format is actually the same, so
it is either-or.
> +
> + ports:
> + $ref: /schemas/graph.yaml#/properties/ports
> +
> + properties:
> + port@0:
> + $ref: /schemas/graph.yaml#/properties/port
> + description:
> + Input port from display controller output.
> + port@1:
> + $ref: /schemas/graph.yaml#/properties/port
> + description:
> + Output port to DisplayPort or HDMI connector.
> +
> + required:
> + - port@0
> + - port@1
> +
> +required:
> + - compatible
> + - reg
> + - clocks
> + - interrupts
> + - interrupt-names
> + - phys
> + - data-lanes
> + - ports
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/imx8mq-clock.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> + mhdp: display-bridge@32c00000 {
> + compatible = "fsl,imx8mq-mhdp8501";
> + reg = <0x32c00000 0x100000>;
> + interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "plug_in", "plug_out";
> + clocks = <&clk IMX8MQ_CLK_DISP_APB_ROOT>;
> + phys = <&mdhp_phy>;
> + data-lanes = <1 2 3 4>;
0 1 2 3
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> +
> + mhdp_in: endpoint {
> + remote-endpoint = <&dcss_out>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> +
> + mhdp_out: endpoint {
> + remote-endpoint = <&dp_connector>;
> + };
> + };
> + };
> + };
> --
> 2.34.1
>
--
With best wishes
Dmitry
On Thu, Oct 31, 2024 at 09:55:45PM +0200, Dmitry Baryshkov wrote: > On Tue, Oct 29, 2024 at 02:02:11PM +0800, Sandor Yu wrote: > > Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge. > > > > Signed-off-by: Sandor Yu <Sandor.yu@nxp.com> > > --- > > v17->v18: > > - remove lane-mapping and replace it with data-lanes > > - remove r-b tag as property changed. > > > > v16->v17: > > - Add lane-mapping property > > > > v9->v16: > > *No change > > > > .../display/bridge/cdns,mhdp8501.yaml | 112 ++++++++++++++++++ > > 1 file changed, 112 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml > > > > 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..e4b900ecf1ac9 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml > > @@ -0,0 +1,112 @@ > > +# 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 > > + > > + data-lanes: > > + $ref: /schemas/media/video-interfaces.yaml#/properties/data-lanes > > + minItems: 4 > > + maxItems: 4 > > + description: Lane reordering for HDMI or DisplayPort interface. > > So, HDMI or DP port? I don't think the format is actually the same, so > it is either-or. Please ignore this, I've misread the text. -- With best wishes Dmitry
On Tue, Oct 29, 2024 at 02:02:11PM +0800, Sandor Yu wrote: > + interrupts: > + items: > + - description: Hotplug cable plugin. > + - description: Hotplug cable plugout. > + > + interrupt-names: > + items: > + - const: plug_in > + - const: plug_out > + > + data-lanes: > + $ref: /schemas/media/video-interfaces.yaml#/properties/data-lanes > + minItems: 4 > + maxItems: 4 > + description: Lane reordering for HDMI or DisplayPort interface. Please look how existing bindings do it. data-lanes is a property of port. Otherwise why would you like this to be applied to the input? Best regards, Krzysztof
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