Thread (25 messages) 25 messages, 5 authors, 2022-11-17
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Revisions (3)
  1. v3 current
  2. v4 [diff vs current]
  3. v5 [diff vs current]

[PATCH v3 02/10] dt-bindings: display: bridge: Add MHDP HDMI for i.MX8MQ

From: Sandor Yu <hidden>
Date: 2022-11-08 13:01:57
Also in: dri-devel, linux-arm-kernel, linux-devicetree, lkml
Subsystem: drm drivers, drm drivers and misc gpu patches, drm drivers for bridge chips, open firmware and flattened device tree bindings, the rest · Maintainers: David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Andrzej Hajda, Neil Armstrong, Robert Foss, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds

Add bindings for i.MX8MQ MHDP HDMI.

Signed-off-by: Sandor Yu <redacted>
---
 .../display/bridge/cdns,mhdp-imx8mq-hdmi.yaml | 59 +++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml
diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml
new file mode 100644
index 000000000000..8c0afef157aa
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cadence MHDP HDMI bridge
+
+maintainers:
+  - Sandor Yu <Sandor.yu@nxp.com>
+
+description:
+  The Cadence MHDP TX HDMI interface.
+
+properties:
+  compatible:
+    enum:
+      - cdns,mhdp-imx8mq-hdmi
+
+  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.
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    mhdp_hdmi: hdmi-bridge@32c00000 {
+        compatible = "cdns,mhdp-imx8mq-hdmi";
+        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 = <&hdmi_phy>;
+
+        port {
+            mhdp_in: endpoint {
+                remote-endpoint = <&dcss_out>;
+            };
+        };
+    };
-- 
2.34.1


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