diff options
Diffstat (limited to 'Documentation/devicetree/bindings/display/bridge')
3 files changed, 91 insertions, 52 deletions
diff --git a/Documentation/devicetree/bindings/display/bridge/adi,adv7511.txt b/Documentation/devicetree/bindings/display/bridge/adi,adv7511.txt index 6532a59c9b43..00ea670b8c4d 100644 --- a/Documentation/devicetree/bindings/display/bridge/adi,adv7511.txt +++ b/Documentation/devicetree/bindings/display/bridge/adi,adv7511.txt @@ -38,10 +38,22 @@ The following input format properties are required except in "rgb 1x" and - adi,input-justification: The input bit justification ("left", "evenly", "right"). +- avdd-supply: A 1.8V supply that powers up the AVDD pin on the chip. +- dvdd-supply: A 1.8V supply that powers up the DVDD pin on the chip. +- pvdd-supply: A 1.8V supply that powers up the PVDD pin on the chip. +- dvdd-3v-supply: A 3.3V supply that powers up the pin called DVDD_3V + on the chip. +- bgvdd-supply: A 1.8V supply that powers up the BGVDD pin. This is + needed only for ADV7511. + The following properties are required for ADV7533: - adi,dsi-lanes: Number of DSI data lanes connected to the DSI host. It should be one of 1, 2, 3 or 4. +- a2vdd-supply: 1.8V supply that powers up the A2VDD pin on the chip. +- v3p3-supply: A 3.3V supply that powers up the V3P3 pin on the chip. +- v1p2-supply: A supply that powers up the V1P2 pin on the chip. It can be + either 1.2V or 1.8V. Optional properties: diff --git a/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt b/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt index 5e9a84d6e5f1..33bf981fbe33 100644 --- a/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt +++ b/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt @@ -1,52 +1,33 @@ -DesignWare HDMI bridge bindings - -Required properties: -- compatible: platform specific such as: - * "snps,dw-hdmi-tx" - * "fsl,imx6q-hdmi" - * "fsl,imx6dl-hdmi" - * "rockchip,rk3288-dw-hdmi" -- reg: Physical base address and length of the controller's registers. -- interrupts: The HDMI interrupt number -- clocks, clock-names : must have the phandles to the HDMI iahb and isfr clocks, - as described in Documentation/devicetree/bindings/clock/clock-bindings.txt, - the clocks are soc specific, the clock-names should be "iahb", "isfr" --port@[X]: SoC specific port nodes with endpoint definitions as defined - in Documentation/devicetree/bindings/media/video-interfaces.txt, - please refer to the SoC specific binding document: - * Documentation/devicetree/bindings/display/imx/hdmi.txt - * Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt - -Optional properties -- reg-io-width: the width of the reg:1,4, default set to 1 if not present -- ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing, - if the property is omitted, a functionally reduced I2C bus - controller on DW HDMI is probed -- clocks, clock-names: phandle to the HDMI CEC clock, name should be "cec" - -Example: - hdmi: hdmi@0120000 { - compatible = "fsl,imx6q-hdmi"; - reg = <0x00120000 0x9000>; - interrupts = <0 115 0x04>; - gpr = <&gpr>; - clocks = <&clks 123>, <&clks 124>; - clock-names = "iahb", "isfr"; - ddc-i2c-bus = <&i2c2>; - - port@0 { - reg = <0>; - - hdmi_mux_0: endpoint { - remote-endpoint = <&ipu1_di0_hdmi>; - }; - }; - - port@1 { - reg = <1>; - - hdmi_mux_1: endpoint { - remote-endpoint = <&ipu1_di1_hdmi>; - }; - }; - }; +Synopsys DesignWare HDMI TX Encoder +=================================== + +This document defines device tree properties for the Synopsys DesignWare HDMI +TX Encoder (DWC HDMI TX). It doesn't constitue a device tree binding +specification by itself but is meant to be referenced by platform-specific +device tree bindings. + +When referenced from platform device tree bindings the properties defined in +this document are defined as follows. The platform device tree bindings are +responsible for defining whether each property is required or optional. + +- reg: Memory mapped base address and length of the DWC HDMI TX registers. + +- reg-io-width: Width of the registers specified by the reg property. The + value is expressed in bytes and must be equal to 1 or 4 if specified. The + register width defaults to 1 if the property is not present. + +- interrupts: Reference to the DWC HDMI TX interrupt. + +- clocks: References to all the clocks specified in the clock-names property + as specified in Documentation/devicetree/bindings/clock/clock-bindings.txt. + +- clock-names: The DWC HDMI TX uses the following clocks. + + - "iahb" is the bus clock for either AHB and APB (mandatory). + - "isfr" is the internal register configuration clock (mandatory). + - "cec" is the HDMI CEC controller main clock (optional). + +- ports: The connectivity of the DWC HDMI TX with the rest of the system is + expressed in using ports as specified in the device graph bindings defined + in Documentation/devicetree/bindings/graph.txt. The numbering of the ports + is platform-specific. diff --git a/Documentation/devicetree/bindings/display/bridge/ti,ths8135.txt b/Documentation/devicetree/bindings/display/bridge/ti,ths8135.txt new file mode 100644 index 000000000000..6ec1a880ac18 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/ti,ths8135.txt @@ -0,0 +1,46 @@ +THS8135 Video DAC +----------------- + +This is the binding for Texas Instruments THS8135 Video DAC bridge. + +Required properties: + +- compatible: Must be "ti,ths8135" + +Required nodes: + +This device has two video ports. Their connections are modelled using the OF +graph bindings specified in Documentation/devicetree/bindings/graph.txt. + +- Video port 0 for RGB input +- Video port 1 for VGA output + +Example +------- + +vga-bridge { + compatible = "ti,ths8135"; + #address-cells = <1>; + #size-cells = <0>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + vga_bridge_in: endpoint { + remote-endpoint = <&lcdc_out_vga>; + }; + }; + + port@1 { + reg = <1>; + + vga_bridge_out: endpoint { + remote-endpoint = <&vga_con_in>; + }; + }; + }; +}; |