Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge.
Signed-off-by: Sandor Yu <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
---
v9->v14:
*No change.
.../display/bridge/cdns,mhdp8501.yaml | 104 ++++++++++++++++++
1 file changed, 104 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..3ae643845cfee
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml
@@ -0,0 +1,104 @@
+# 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 <[email protected]>
+
+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 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: 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 = <&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>;
+ };
+ };
+ };
+ };
--
2.34.1