0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/display/imx/fsl,imx6-hdmi.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Freescale i.MX6 DWC HDMI TX Encoder
0008
0009 maintainers:
0010 - Philipp Zabel <p.zabel@pengutronix.de>
0011
0012 description: |
0013 The HDMI transmitter is a Synopsys DesignWare HDMI 1.4 TX controller IP
0014 with a companion PHY IP.
0015
0016 allOf:
0017 - $ref: ../bridge/synopsys,dw-hdmi.yaml#
0018
0019 properties:
0020 compatible:
0021 enum:
0022 - fsl,imx6dl-hdmi
0023 - fsl,imx6q-hdmi
0024
0025 reg-io-width:
0026 const: 1
0027
0028 clocks:
0029 maxItems: 2
0030
0031 clock-names:
0032 maxItems: 2
0033
0034 ddc-i2c-bus:
0035 $ref: /schemas/types.yaml#/definitions/phandle
0036 description:
0037 The HDMI DDC bus can be connected to either a system I2C master or the
0038 functionally-reduced I2C master contained in the DWC HDMI. When connected
0039 to a system I2C master this property contains a phandle to that I2C
0040 master controller.
0041
0042 gpr:
0043 $ref: /schemas/types.yaml#/definitions/phandle
0044 description:
0045 phandle to the iomuxc-gpr region containing the HDMI multiplexer control
0046 register.
0047
0048 ports:
0049 $ref: /schemas/graph.yaml#/properties/ports
0050 description: |
0051 This device has four video ports, corresponding to the four inputs of the
0052 HDMI multiplexer. Each port shall have a single endpoint.
0053
0054 properties:
0055 port@0:
0056 $ref: /schemas/graph.yaml#/properties/port
0057 description: First input of the HDMI multiplexer
0058
0059 port@1:
0060 $ref: /schemas/graph.yaml#/properties/port
0061 description: Second input of the HDMI multiplexer
0062
0063 port@2:
0064 $ref: /schemas/graph.yaml#/properties/port
0065 description: Third input of the HDMI multiplexer
0066
0067 port@3:
0068 $ref: /schemas/graph.yaml#/properties/port
0069 description: Fourth input of the HDMI multiplexer
0070
0071 anyOf:
0072 - required:
0073 - port@0
0074 - required:
0075 - port@1
0076 - required:
0077 - port@2
0078 - required:
0079 - port@3
0080
0081 required:
0082 - compatible
0083 - reg
0084 - clocks
0085 - clock-names
0086 - gpr
0087 - interrupts
0088 - ports
0089
0090 additionalProperties: false
0091
0092 examples:
0093 - |
0094 #include <dt-bindings/clock/imx6qdl-clock.h>
0095
0096 hdmi: hdmi@120000 {
0097 reg = <0x00120000 0x9000>;
0098 interrupts = <0 115 0x04>;
0099 gpr = <&gpr>;
0100 clocks = <&clks IMX6QDL_CLK_HDMI_IAHB>,
0101 <&clks IMX6QDL_CLK_HDMI_ISFR>;
0102 clock-names = "iahb", "isfr";
0103
0104 ports {
0105 #address-cells = <1>;
0106 #size-cells = <0>;
0107
0108 port@0 {
0109 reg = <0>;
0110
0111 hdmi_mux_0: endpoint {
0112 remote-endpoint = <&ipu1_di0_hdmi>;
0113 };
0114 };
0115
0116 port@1 {
0117 reg = <1>;
0118
0119 hdmi_mux_1: endpoint {
0120 remote-endpoint = <&ipu1_di1_hdmi>;
0121 };
0122 };
0123 };
0124 };
0125
0126 ...
