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freebsd
GitHub Repository: freebsd/freebsd-src
Path: blob/main/sys/contrib/device-tree/Bindings/display/bridge/sii9234.txt
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Silicon Image SiI9234 HDMI/MHL bridge bindings
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Required properties:
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- compatible : "sil,sii9234".
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- reg : I2C address for TPI interface, use 0x39
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- avcc33-supply : MHL/USB Switch Supply Voltage (3.3V)
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- iovcc18-supply : I/O Supply Voltage (1.8V)
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- avcc12-supply : TMDS Analog Supply Voltage (1.2V)
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- cvcc12-supply : Digital Core Supply Voltage (1.2V)
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- interrupts: interrupt specifier of INT pin
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- reset-gpios: gpio specifier of RESET pin (active low)
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- video interfaces: Device node can contain two video interface port
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nodes for HDMI encoder and connector according to [1].
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- port@0 - MHL to HDMI
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- port@1 - MHL to connector
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[1]: Documentation/devicetree/bindings/media/video-interfaces.txt
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Example:
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sii9234@39 {
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compatible = "sil,sii9234";
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reg = <0x39>;
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avcc33-supply = <&vcc33mhl>;
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iovcc18-supply = <&vcc18mhl>;
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avcc12-supply = <&vsil12>;
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cvcc12-supply = <&vsil12>;
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reset-gpios = <&gpf3 4 GPIO_ACTIVE_LOW>;
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interrupt-parent = <&gpf3>;
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interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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mhl_to_hdmi: endpoint {
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remote-endpoint = <&hdmi_to_mhl>;
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};
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};
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port@1 {
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reg = <1>;
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mhl_to_connector: endpoint {
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remote-endpoint = <&connector_to_mhl>;
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};
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};
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};
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};
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