| 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/imx/fsl,imx6-hdmi.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Freescale i.MX6 DWC HDMI TX Encoder |
| 8 | |
| 9 | maintainers: |
| 10 | - Philipp Zabel <p.zabel@pengutronix.de> |
| 11 | |
| 12 | description: | |
| 13 | The HDMI transmitter is a Synopsys DesignWare HDMI 1.4 TX controller IP |
| 14 | with a companion PHY IP. |
| 15 | |
| 16 | allOf: |
| 17 | - $ref: ../bridge/synopsys,dw-hdmi.yaml# |
| 18 | |
| 19 | properties: |
| 20 | compatible: |
| 21 | enum: |
| 22 | - fsl,imx6dl-hdmi |
| 23 | - fsl,imx6q-hdmi |
| 24 | |
| 25 | reg-io-width: |
| 26 | const: 1 |
| 27 | |
| 28 | clocks: |
| 29 | maxItems: 2 |
| 30 | |
| 31 | clock-names: |
| 32 | maxItems: 2 |
| 33 | |
| 34 | ddc-i2c-bus: |
| 35 | $ref: /schemas/types.yaml#/definitions/phandle |
| 36 | description: |
| 37 | The HDMI DDC bus can be connected to either a system I2C master or the |
| 38 | functionally-reduced I2C master contained in the DWC HDMI. When connected |
| 39 | to a system I2C master this property contains a phandle to that I2C |
| 40 | master controller. |
| 41 | |
| 42 | gpr: |
| 43 | $ref: /schemas/types.yaml#/definitions/phandle |
| 44 | description: |
| 45 | phandle to the iomuxc-gpr region containing the HDMI multiplexer control |
| 46 | register. |
| 47 | |
| 48 | ports: |
| 49 | $ref: /schemas/graph.yaml#/properties/ports |
| 50 | description: | |
| 51 | This device has four video ports, corresponding to the four inputs of the |
| 52 | HDMI multiplexer. Each port shall have a single endpoint. |
| 53 | |
| 54 | properties: |
| 55 | port@0: |
| 56 | $ref: /schemas/graph.yaml#/properties/port |
| 57 | description: First input of the HDMI multiplexer |
| 58 | |
| 59 | port@1: |
| 60 | $ref: /schemas/graph.yaml#/properties/port |
| 61 | description: Second input of the HDMI multiplexer |
| 62 | |
| 63 | port@2: |
| 64 | $ref: /schemas/graph.yaml#/properties/port |
| 65 | description: Third input of the HDMI multiplexer |
| 66 | |
| 67 | port@3: |
| 68 | $ref: /schemas/graph.yaml#/properties/port |
| 69 | description: Fourth input of the HDMI multiplexer |
| 70 | |
| 71 | anyOf: |
| 72 | - required: |
| 73 | - port@0 |
| 74 | - required: |
| 75 | - port@1 |
| 76 | - required: |
| 77 | - port@2 |
| 78 | - required: |
| 79 | - port@3 |
| 80 | |
| 81 | required: |
| 82 | - compatible |
| 83 | - reg |
| 84 | - clocks |
| 85 | - clock-names |
| 86 | - gpr |
| 87 | - interrupts |
| 88 | - ports |
| 89 | |
| 90 | unevaluatedProperties: false |
| 91 | |
| 92 | examples: |
| 93 | - | |
| 94 | #include <dt-bindings/clock/imx6qdl-clock.h> |
| 95 | |
| 96 | hdmi: hdmi@120000 { |
| 97 | reg = <0x00120000 0x9000>; |
| 98 | interrupts = <0 115 0x04>; |
| 99 | gpr = <&gpr>; |
| 100 | clocks = <&clks IMX6QDL_CLK_HDMI_IAHB>, |
| 101 | <&clks IMX6QDL_CLK_HDMI_ISFR>; |
| 102 | clock-names = "iahb", "isfr"; |
| 103 | |
| 104 | ports { |
| 105 | #address-cells = <1>; |
| 106 | #size-cells = <0>; |
| 107 | |
| 108 | port@0 { |
| 109 | reg = <0>; |
| 110 | |
| 111 | hdmi_mux_0: endpoint { |
| 112 | remote-endpoint = <&ipu1_di0_hdmi>; |
| 113 | }; |
| 114 | }; |
| 115 | |
| 116 | port@1 { |
| 117 | reg = <1>; |
| 118 | |
| 119 | hdmi_mux_1: endpoint { |
| 120 | remote-endpoint = <&ipu1_di1_hdmi>; |
| 121 | }; |
| 122 | }; |
| 123 | }; |
| 124 | }; |
| 125 | |
| 126 | ... |