Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/display/bridge/simple-bridge.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Transparent non-programmable DRM bridges |
| 8 | |
| 9 | maintainers: |
| 10 | - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> |
| 11 | - Maxime Ripard <mripard@kernel.org> |
| 12 | |
| 13 | description: | |
| 14 | This binding supports transparent non-programmable bridges that don't require |
| 15 | any configuration, with a single input and a single output. |
| 16 | |
| 17 | properties: |
| 18 | compatible: |
| 19 | oneOf: |
| 20 | - items: |
| 21 | - enum: |
| 22 | - ti,ths8134a |
| 23 | - ti,ths8134b |
| 24 | - const: ti,ths8134 |
| 25 | - items: |
| 26 | - const: corpro,gm7123 |
| 27 | - const: adi,adv7123 |
| 28 | - enum: |
| 29 | - adi,adv7123 |
| 30 | - dumb-vga-dac |
| 31 | - ti,opa362 |
| 32 | - ti,ths8134 |
| 33 | - ti,ths8135 |
| 34 | |
| 35 | ports: |
| 36 | $ref: /schemas/graph.yaml#/properties/ports |
| 37 | |
| 38 | properties: |
| 39 | port@0: |
| 40 | $ref: /schemas/graph.yaml#/properties/port |
| 41 | description: The bridge input |
| 42 | |
| 43 | port@1: |
| 44 | $ref: /schemas/graph.yaml#/properties/port |
| 45 | description: The bridge output |
| 46 | |
| 47 | required: |
| 48 | - port@0 |
| 49 | - port@1 |
| 50 | |
| 51 | enable-gpios: |
| 52 | maxItems: 1 |
| 53 | description: GPIO controlling bridge enable |
| 54 | |
| 55 | vdd-supply: |
| 56 | description: Power supply for the bridge |
| 57 | |
| 58 | required: |
| 59 | - compatible |
| 60 | - ports |
| 61 | |
| 62 | additionalProperties: false |
| 63 | |
| 64 | examples: |
| 65 | - | |
| 66 | bridge { |
| 67 | compatible = "ti,ths8134a", "ti,ths8134"; |
| 68 | |
| 69 | ports { |
| 70 | #address-cells = <1>; |
| 71 | #size-cells = <0>; |
| 72 | |
| 73 | port@0 { |
| 74 | reg = <0>; |
| 75 | |
| 76 | vga_bridge_in: endpoint { |
| 77 | remote-endpoint = <&tcon0_out_vga>; |
| 78 | }; |
| 79 | }; |
| 80 | |
| 81 | port@1 { |
| 82 | reg = <1>; |
| 83 | |
| 84 | vga_bridge_out: endpoint { |
| 85 | remote-endpoint = <&vga_con_in>; |
| 86 | }; |
| 87 | }; |
| 88 | }; |
| 89 | }; |
| 90 | |
| 91 | ... |