projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 53633a89 TR |
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/lontium,lt8912b.yaml# | |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# | |
| 6 | ||
| 7 | title: Lontium LT8912B MIPI to HDMI Bridge | |
| 8 | ||
| 9 | maintainers: | |
| 10 | - Adrien Grassein <adrien.grassein@gmail.com> | |
| 11 | ||
| 12 | description: | | |
| 13 | The LT8912B is a bridge device which convert DSI to HDMI | |
| 14 | ||
| 15 | properties: | |
| 16 | compatible: | |
| 17 | enum: | |
| 18 | - lontium,lt8912b | |
| 19 | ||
| 20 | reg: | |
| 21 | maxItems: 1 | |
| 22 | ||
| 23 | reset-gpios: | |
| 24 | maxItems: 1 | |
| 25 | description: GPIO connected to active high RESET pin. | |
| 26 | ||
| 27 | ports: | |
| 28 | $ref: /schemas/graph.yaml#/properties/ports | |
| 29 | ||
| 30 | properties: | |
| 31 | port@0: | |
| 32 | $ref: /schemas/graph.yaml#/$defs/port-base | |
| 33 | unevaluatedProperties: false | |
| 34 | description: | |
| 35 | Primary MIPI port for MIPI input | |
| 36 | ||
| 37 | properties: | |
| 38 | endpoint: | |
| 39 | $ref: /schemas/media/video-interfaces.yaml# | |
| 40 | unevaluatedProperties: false | |
| 41 | ||
| 42 | properties: | |
| 43 | data-lanes: true | |
| 44 | ||
| 45 | required: | |
| 46 | - data-lanes | |
| 47 | ||
| 48 | port@1: | |
| 49 | $ref: /schemas/graph.yaml#/properties/port | |
| 50 | description: | | |
| 51 | HDMI port, should be connected to a node compatible with the | |
| 52 | hdmi-connector binding. | |
| 53 | ||
| 54 | required: | |
| 55 | - port@0 | |
| 56 | - port@1 | |
| 57 | ||
| 93743d24 TR |
58 | vcchdmipll-supply: |
| 59 | description: A 1.8V supply that powers the HDMI PLL. | |
| 60 | ||
| 61 | vcchdmitx-supply: | |
| 62 | description: A 1.8V supply that powers the HDMI TX part. | |
| 63 | ||
| 64 | vcclvdspll-supply: | |
| 65 | description: A 1.8V supply that powers the LVDS PLL. | |
| 66 | ||
| 67 | vcclvdstx-supply: | |
| 68 | description: A 1.8V supply that powers the LVDS TX part. | |
| 69 | ||
| 70 | vccmipirx-supply: | |
| 71 | description: A 1.8V supply that powers the MIPI RX part. | |
| 72 | ||
| 73 | vccsysclk-supply: | |
| 74 | description: A 1.8V supply that powers the SYSCLK. | |
| 75 | ||
| 76 | vdd-supply: | |
| 77 | description: A 1.8V supply that powers the digital part. | |
| 78 | ||
| 53633a89 TR |
79 | required: |
| 80 | - compatible | |
| 81 | - reg | |
| 82 | - reset-gpios | |
| 83 | - ports | |
| 84 | ||
| 85 | additionalProperties: false | |
| 86 | ||
| 87 | examples: | |
| 88 | - | | |
| 89 | #include <dt-bindings/gpio/gpio.h> | |
| 90 | ||
| 91 | i2c { | |
| 92 | #address-cells = <1>; | |
| 93 | #size-cells = <0>; | |
| 94 | ||
| 95 | hdmi-bridge@48 { | |
| 96 | compatible = "lontium,lt8912b"; | |
| 97 | reg = <0x48>; | |
| 98 | reset-gpios = <&max7323 0 GPIO_ACTIVE_LOW>; | |
| 99 | ||
| 100 | ports { | |
| 101 | #address-cells = <1>; | |
| 102 | #size-cells = <0>; | |
| 103 | ||
| 104 | port@0 { | |
| 105 | reg = <0>; | |
| 106 | ||
| 107 | hdmi_out_in: endpoint { | |
| 108 | data-lanes = <0 1 2 3>; | |
| 109 | remote-endpoint = <&mipi_dsi_out>; | |
| 110 | }; | |
| 111 | }; | |
| 112 | ||
| 113 | port@1 { | |
| 114 | reg = <1>; | |
| 115 | ||
| 116 | endpoint { | |
| 117 | remote-endpoint = <&hdmi_in>; | |
| 118 | }; | |
| 119 | }; | |
| 120 | }; | |
| 121 | }; | |
| 122 | }; | |
| 123 | ||
| 124 | ... |