FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/display/ti/ti,omap4-dss.txt

     Texas Instruments OMAP4 Display Subsystem
     =========================================
     
     See Documentation/devicetree/bindings/display/ti/ti,omap-dss.txt for generic
     description about OMAP Display Subsystem bindings.
     
     DSS Core
     --------
     
    Required properties:
    - compatible: "ti,omap4-dss"
    - reg: address and length of the register space
    - ti,hwmods: "dss_core"
    - clocks: handle to fclk
    - clock-names: "fck"
    
    Required nodes:
    - DISPC
    
    Optional nodes:
    - DSS Submodules: RFBI, VENC, DSI, HDMI
    - Video port for DPI output
    
    DPI Endpoint required properties:
    - data-lines: number of lines used
    
    
    DISPC
    -----
    
    Required properties:
    - compatible: "ti,omap4-dispc"
    - reg: address and length of the register space
    - ti,hwmods: "dss_dispc"
    - interrupts: the DISPC interrupt
    - clocks: handle to fclk
    - clock-names: "fck"
    
    Optional properties:
    - max-memory-bandwidth: Input memory (from main memory to dispc) bandwidth limit
                            in bytes per second
    
    
    RFBI
    ----
    
    Required properties:
    - compatible: "ti,omap4-rfbi"
    - reg: address and length of the register space
    - ti,hwmods: "dss_rfbi"
    - clocks: handles to fclk and iclk
    - clock-names: "fck", "ick"
    
    Optional nodes:
    - Video port for RFBI output
    - RFBI controlled peripherals
    
    
    VENC
    ----
    
    Required properties:
    - compatible: "ti,omap4-venc"
    - reg: address and length of the register space
    - ti,hwmods: "dss_venc"
    - vdda-supply: power supply for DAC
    - clocks: handle to fclk
    - clock-names: "fck"
    
    Optional nodes:
    - Video port for VENC output
    
    VENC Endpoint required properties:
    - ti,invert-polarity: invert the polarity of the video signal
    - ti,channels: 1 for composite, 2 for s-video
    
    
    DSI
    ---
    
    Required properties:
    - compatible: "ti,omap4-dsi"
    - reg: addresses and lengths of the register spaces for 'proto', 'phy' and 'pll'
    - reg-names: "proto", "phy", "pll"
    - interrupts: the DSI interrupt line
    - ti,hwmods: "dss_dsi1" or "dss_dsi2"
    - vdd-supply: power supply for DSI
    - clocks: handles to fclk and pll clock
    - clock-names: "fck", "sys_clk"
    
    Optional nodes:
    - Video port for DSI output
    - DSI controlled peripherals
    
    DSI Endpoint required properties:
    - lanes: list of pin numbers for the DSI lanes: CLK+, CLK-, DATA0+, DATA0-,
      DATA1+, DATA1-, ...
    
    
   HDMI
   ----
   
   Required properties:
   - compatible: "ti,omap4-hdmi"
   - reg: addresses and lengths of the register spaces for 'wp', 'pll', 'phy',
          'core'
   - reg-names: "wp", "pll", "phy", "core"
   - interrupts: the HDMI interrupt line
   - ti,hwmods: "dss_hdmi"
   - vdda-supply: vdda power supply
   - clocks: handles to fclk and pll clock
   - clock-names: "fck", "sys_clk"
   
   Optional nodes:
   - Video port for HDMI output
   
   HDMI Endpoint optional properties:
   - lanes: list of 8 pin numbers for the HDMI lanes: CLK+, CLK-, D0+, D0-,
     D1+, D1-, D2+, D2-. (default: 0,1,2,3,4,5,6,7)

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