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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/sil,sii9022.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Silicon Image sii902x HDMI bridge
+
+maintainers:
+ - Boris Brezillon <bbrezillon@kernel.org>
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - sil,sii9022-cpi # CEC Programming Interface
+ - sil,sii9022-tpi # Transmitter Programming Interface
+ - const: sil,sii9022
+ - const: sil,sii9022
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+ description: Interrupt line used to inform the host about hotplug events.
+
+ reset-gpios:
+ maxItems: 1
+
+ iovcc-supply:
+ description: I/O Supply Voltage (1.8V or 3.3V)
+
+ cvcc12-supply:
+ description: Digital Core Supply Voltage (1.2V)
+
+ '#sound-dai-cells':
+ enum: [ 0, 1 ]
+ description: |
+ <0> if only I2S or S/PDIF pin is wired,
+ <1> if both are wired.
+ HDMI audio is configured only if this property is found.
+ If HDMI audio is configured, the sii902x device becomes an I2S and/or
+ S/PDIF audio codec component (e.g. a digital audio sink), that can be
+ used in configuring full audio devices with simple-card or
+ audio-graph-card bindings. See their binding documents on how to describe
+ the way the
+ sii902x device is connected to the rest of the audio system:
+ Documentation/devicetree/bindings/sound/simple-card.yaml
+ Documentation/devicetree/bindings/sound/audio-graph-card.yaml
+ Note: In case of the audio-graph-card binding the used port index should
+ be 3.
+
+ sil,i2s-data-lanes:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 1
+ maxItems: 4
+ uniqueItems: true
+ items:
+ enum: [ 0, 1, 2, 3 ]
+ description:
+ Each integer indicates which I2S pin is connected to which audio FIFO.
+ The first integer selects the I2S audio pin for the first audio FIFO#0
+ (HDMI channels 1&2), the second for FIFO#1 (HDMI channels 3&4), and so
+ on. There are 4 FIFOs and 4 I2S pins (SD0 - SD3). Any I2S pin can be
+ connected to any FIFO, but there can be no gaps. E.g. an I2S pin must be
+ mapped to FIFO#0 and FIFO#1 before mapping a channel to FIFO#2. The
+ default value is <0>, describing SD0 pin being routed to HDMI audio
+ FIFO#0.
+
+ clocks:
+ maxItems: 1
+ description: MCLK input. MCLK can be used to produce HDMI audio CTS values.
+
+ clock-names:
+ const: mclk
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: Parallel RGB input port
+
+ port@1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: HDMI output port
+
+ port@3:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: Sound input port
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ hdmi-bridge@39 {
+ compatible = "sil,sii9022";
+ reg = <0x39>;
+ reset-gpios = <&pioA 1 0>;
+ iovcc-supply = <&v3v3_hdmi>;
+ cvcc12-supply = <&v1v2_hdmi>;
+
+ #sound-dai-cells = <0>;
+ sil,i2s-data-lanes = < 0 1 2 >;
+ clocks = <&mclk>;
+ clock-names = "mclk";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ bridge_in: endpoint {
+ remote-endpoint = <&dc_out>;
+ };
+ };
+ };
+ };
+ };