Add binding for the i.MX8MP HDMI parallel Audio interface block.
In fsl,imx8mp-hdmi-tx.yaml, add port@2 that linked to pai_to_hdmi_tx.
Signed-off-by: Shengjiu Wang <shengjiu.w...@nxp.com>
---
.../display/bridge/fsl,imx8mp-hdmi-tx.yaml | 12 ++++
.../display/imx/fsl,imx8mp-hdmi-pai.yaml | 69 +++++++++++++++++++
2 files changed, 81 insertions(+)
create mode 100644
Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pai.yaml
diff --git
a/Documentation/devicetree/bindings/display/bridge/fsl,imx8mp-hdmi-tx.yaml
b/Documentation/devicetree/bindings/display/bridge/fsl,imx8mp-hdmi-tx.yaml
index 05442d437755..6211ab8bbb0e 100644
--- a/Documentation/devicetree/bindings/display/bridge/fsl,imx8mp-hdmi-tx.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/fsl,imx8mp-hdmi-tx.yaml
@@ -49,6 +49,10 @@ properties:
$ref: /schemas/graph.yaml#/properties/port
description: HDMI output port
+ port@2:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: Parallel audio input port
+
required:
- port@0
- port@1
@@ -98,5 +102,13 @@ examples:
remote-endpoint = <&hdmi0_con>;
};
};
+
+ port@2 {
+ reg = <2>;
+
+ endpoint {
+ remote-endpoint = <&pai_to_hdmi_tx>;
+ };
+ };
};
};
diff --git
a/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pai.yaml
b/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pai.yaml
new file mode 100644
index 000000000000..4f99682a308d
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pai.yaml
@@ -0,0 +1,69 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/imx/fsl,imx8mp-hdmi-pai.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale i.MX8MP HDMI Parallel Audio Interface
+
+maintainers:
+ - Shengjiu Wang <shengjiu.w...@nxp.com>
+
+description:
+ The HDMI TX Parallel Audio Interface (HTX_PAI) is a bridge between the
+ Audio Subsystem to the HDMI TX Controller.
+
+properties:
+ compatible:
+ const: fsl,imx8mp-hdmi-pai
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ const: apb
+
+ power-domains:
+ maxItems: 1
+
+ port:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: Output to the HDMI TX controller.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - power-domains
+ - port
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/imx8mp-clock.h>
+ #include <dt-bindings/power/imx8mp-power.h>
+
+ audio-bridge@32fc4800 {
+ compatible = "fsl,imx8mp-hdmi-pai";
+ reg = <0x32fc4800 0x800>;
+ interrupt-parent = <&irqsteer_hdmi>;
+ interrupts = <14>;
+ clocks = <&clk IMX8MP_CLK_HDMI_APB>;
+ clock-names = "apb";
+ power-domains = <&hdmi_blk_ctrl IMX8MP_HDMIBLK_PD_PAI>;
+
+ port {
+ pai_to_hdmi_tx: endpoint {
+ remote-endpoint = <&hdmi_tx_from_pai>;
+ };
+ };
+ };
--
2.34.1
