diff mbox series

[v19,3/8] dt-bindings: display: bridge: Add Cadence MHDP8501

Message ID e495a40a0add052d4f8cdeb4a81ea7408cdccaf6.1732627815.git.Sandor.yu@nxp.com
State New
Headers show
Series Initial support Cadence MHDP8501(HDMI/DP) for i.MX8MQ | expand

Commit Message

Sandor Yu Nov. 26, 2024, 2:11 p.m. UTC
Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge.

Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>
---
v18->v19:
- move data-lanes property to endpoint of port@1

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         | 120 ++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml

Comments

Krzysztof Kozlowski Nov. 27, 2024, 7:25 a.m. UTC | #1
On Tue, Nov 26, 2024 at 10:11:48PM +0800, Sandor Yu wrote:
> Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge.
> 
> Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>
> ---
> v18->v19:
> - move data-lanes property to endpoint of port@1
> 
> 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         | 120 ++++++++++++++++++
>  1 file changed, 120 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..24abd8447a28c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml
> @@ -0,0 +1,120 @@
> +# 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
> +
> +  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:
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
> +        description:
> +          Output port to DisplayPort or HDMI connector.
> +
> +        properties:
> +          endpoint:
> +            $ref: /schemas/media/video-interfaces.yaml#
> +            unevaluatedProperties: false
> +
> +            properties:
> +              data-lanes:
> +                $ref: /schemas/media/video-interfaces.yaml#/properties/data-lanes

Drop, not needed.

> +                minItems: 4
> +                maxItems: 4
> +                description: Lane reordering for HDMI or DisplayPort interface.

Blank line

> +            required:
> +              - data-lanes

Blank line

Best regards,
Krzysztof
diff mbox series

Patch

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..24abd8447a28c
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml
@@ -0,0 +1,120 @@ 
+# 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
+
+  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:
+        $ref: /schemas/graph.yaml#/$defs/port-base
+        unevaluatedProperties: false
+        description:
+          Output port to DisplayPort or HDMI connector.
+
+        properties:
+          endpoint:
+            $ref: /schemas/media/video-interfaces.yaml#
+            unevaluatedProperties: false
+
+            properties:
+              data-lanes:
+                $ref: /schemas/media/video-interfaces.yaml#/properties/data-lanes
+                minItems: 4
+                maxItems: 4
+                description: Lane reordering for HDMI or DisplayPort interface.
+            required:
+              - data-lanes
+    required:
+      - port@0
+      - port@1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - interrupts
+  - interrupt-names
+  - phys
+  - 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>;
+
+        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>;
+                    data-lanes = <2 1 0 3>;
+                };
+            };
+        };
+    };