| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0-only |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/display/bridge/ti,tfp410.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: TFP410 DPI to DVI encoder |
| 8 | |
| 9 | maintainers: |
| 10 | - Tomi Valkeinen <tomi.valkeinen@ti.com> |
| 11 | - Jyri Sarha <jsarha@ti.com> |
| 12 | |
| 13 | properties: |
| 14 | compatible: |
| 15 | const: ti,tfp410 |
| 16 | |
| 17 | reg: |
| 18 | description: I2C address of the device. |
| 19 | maxItems: 1 |
| 20 | |
| 21 | powerdown-gpios: |
| 22 | maxItems: 1 |
| 23 | |
| 24 | ti,deskew: |
| 25 | description: |
| 26 | Data de-skew value in 350ps increments, from 0 to 7, as configured |
| 27 | through the DK[3:1] pins. The de-skew multiplier is computed as |
| 28 | (DK[3:1] - 4), so it ranges from -4 to 3. |
| 29 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 30 | minimum: 0 |
| 31 | maximum: 7 |
| 32 | |
| 33 | ports: |
| 34 | $ref: /schemas/graph.yaml#/properties/ports |
| 35 | |
| 36 | properties: |
| 37 | port@0: |
| 38 | $ref: /schemas/graph.yaml#/$defs/port-base |
| 39 | unevaluatedProperties: false |
| 40 | description: DPI input port. |
| 41 | |
| 42 | properties: |
| 43 | endpoint: |
| 44 | $ref: /schemas/graph.yaml#/$defs/endpoint-base |
| 45 | unevaluatedProperties: false |
| 46 | |
| 47 | properties: |
| 48 | pclk-sample: |
| 49 | description: |
| 50 | Endpoint sampling edge. |
| 51 | enum: |
| 52 | - 0 # Falling edge |
| 53 | - 1 # Rising edge |
| 54 | default: 0 |
| 55 | |
| 56 | bus-width: |
| 57 | description: |
| 58 | Endpoint bus width. |
| 59 | enum: |
| 60 | - 12 # 12 data lines connected and dual-edge mode |
| 61 | - 24 # 24 data lines connected and single-edge mode |
| 62 | default: 24 |
| 63 | |
| 64 | port@1: |
| 65 | $ref: /schemas/graph.yaml#/properties/port |
| 66 | description: DVI output port. |
| 67 | |
| 68 | required: |
| 69 | - port@0 |
| 70 | - port@1 |
| 71 | |
| 72 | required: |
| 73 | - compatible |
| 74 | - ports |
| 75 | |
| 76 | if: |
| 77 | required: |
| 78 | - reg |
| 79 | then: |
| 80 | properties: |
| 81 | ti,deskew: false |
| 82 | else: |
| 83 | required: |
| 84 | - ti,deskew |
| 85 | |
| 86 | additionalProperties: false |
| 87 | |
| 88 | examples: |
| 89 | - | |
| 90 | #include <dt-bindings/gpio/gpio.h> |
| 91 | |
| 92 | tfp410: encoder { |
| 93 | compatible = "ti,tfp410"; |
| 94 | powerdown-gpios = <&twl_gpio 2 GPIO_ACTIVE_LOW>; |
| 95 | ti,deskew = <3>; |
| 96 | |
| 97 | ports { |
| 98 | #address-cells = <1>; |
| 99 | #size-cells = <0>; |
| 100 | |
| 101 | port@0 { |
| 102 | reg = <0>; |
| 103 | tfp410_in: endpoint { |
| 104 | pclk-sample = <1>; |
| 105 | bus-width = <24>; |
| 106 | remote-endpoint = <&dpi_out>; |
| 107 | }; |
| 108 | }; |
| 109 | |
| 110 | port@1 { |
| 111 | reg = <1>; |
| 112 | tfp410_out: endpoint { |
| 113 | remote-endpoint = <&dvi_connector_in>; |
| 114 | }; |
| 115 | }; |
| 116 | }; |
| 117 | }; |
| 118 | |
| 119 | ... |