Hi Alexander,

Thanks for your comments,

Am Montag, 17. Juli 2023, 10:03:49 CEST schrieb Sandor Yu:

quoted

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Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge..

Signed-off-by: Sandor Yu <redacted>
---
 .../display/bridge/cdns,mhdp8501.yaml         | 105

++++++++++++++++++

quoted

 1 file changed, 105 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 000000000000..b983ee765f54

--- /dev/null
+++

b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.y

quoted

+++ aml

@@ -0,0 +1,105 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) %YAML 1.2
+---
+$id:
+http://devi/

+cetree.org%2Fschemas%2Fdisplay%2Fbridge%2Fcdns%2Cmhdp8501.yaml%
23&dat

quoted

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8f868%7C

quoted

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quoted

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quoted

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%2BLyC0MESK

quoted

+GsV%2FtjfeXCXqK4U%3D&reserved=0
+$schema:
+http://devi/

+cetree.org%2Fmeta-schemas%2Fcore.yaml%23&data=05%7C01%7CSandor.
yu%40n

quoted

+xp.com%7C603a90f3f3c34d32a1e708db86a8f868%7C686ea1d3bc2b4c6fa9
2cd99c5

quoted

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b3d8eyJWIjoi

quoted

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quoted

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%3D&reserv

quoted

+ed=0
+
+title: Cadence MHDP8501 DP/HDMI bridge
+
+maintainers:
+  - Sandor Yu [off-list ref]
+
+description:
+  Cadence MHDP8501 DisplayPort/HDMI interface.
+
+properties:
+  compatible:
+    enum:
+      - cdns,mhdp8501
+      - fsl,imx8mq-mhdp8501
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+    description: MHDP8501 DP/HDMI APB clock.
+
+  phys:
+    maxItems: 1
+    description:
+      phandle to the DisplayPort or 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#/properties/port
+        description:
+          Output port to DisplayPort or HDMI connector.
+
+    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_dp: dp-bridge@32c00000 {

I'm not sure, but I would name this node just 'bridge', because it can be either
DP or HDMI depending on the connector. But DT folks will know better than
me.

This name should update too after DP and HDMI driver combined.
I will change to "mhdp: mhdp-bridge@32c00000" in the next version.
B.R
Sandor

Best regards,
Alexander

quoted

+        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 = <&dp_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>;
+                };
+            };
+        };
+    };

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