| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/display/bridge/nxp,tda998x.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: NXP TDA998x HDMI transmitter |
| |
| maintainers: |
| - Russell King <linux@armlinux.org.uk> |
| |
| properties: |
| compatible: |
| const: nxp,tda998x |
| |
| reg: |
| maxItems: 1 |
| |
| interrupts: |
| maxItems: 1 |
| |
| video-ports: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| default: 0x230145 |
| maximum: 0xffffff |
| description: |
| 24 bits value which defines how the video controller output is wired to |
| the TDA998x input. |
| |
| audio-ports: |
| description: |
| Array of 8-bit values, 2 values per DAI (Documentation/sound/soc/dai.rst). |
| The implementation allows one or two DAIs. |
| If two DAIs are defined, they must be of different type. |
| $ref: /schemas/types.yaml#/definitions/uint32-matrix |
| items: |
| minItems: 1 |
| items: |
| - description: | |
| The first value defines the DAI type: TDA998x_SPDIF or TDA998x_I2S |
| (see include/dt-bindings/display/tda998x.h). |
| - description: |
| The second value defines the tda998x AP_ENA reg content when the |
| DAI in question is used. |
| |
| '#sound-dai-cells': |
| enum: [ 0, 1 ] |
| |
| nxp,calib-gpios: |
| maxItems: 1 |
| description: |
| Calibration GPIO, which must correspond with the gpio used for the |
| TDA998x interrupt pin. |
| |
| port: |
| $ref: /schemas/graph.yaml#/properties/port |
| description: Parallel input port |
| |
| ports: |
| $ref: /schemas/graph.yaml#/properties/ports |
| |
| properties: |
| port@0: |
| type: object |
| description: Parallel input port |
| |
| port@1: |
| type: object |
| description: HDMI output port |
| |
| required: |
| - compatible |
| - reg |
| |
| oneOf: |
| - required: |
| - port |
| - required: |
| - ports |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/display/tda998x.h> |
| #include <dt-bindings/interrupt-controller/irq.h> |
| |
| i2c { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| tda998x: hdmi-encoder@70 { |
| compatible = "nxp,tda998x"; |
| reg = <0x70>; |
| interrupt-parent = <&gpio0>; |
| interrupts = <27 IRQ_TYPE_EDGE_FALLING>; |
| video-ports = <0x230145>; |
| |
| #sound-dai-cells = <1>; |
| /* DAI-format / AP_ENA reg value */ |
| audio-ports = <TDA998x_SPDIF 0x04>, |
| <TDA998x_I2S 0x03>; |
| |
| port { |
| tda998x_in: endpoint { |
| remote-endpoint = <&lcdc_0>; |
| }; |
| }; |
| }; |
| }; |