Kernel-4.18.0-80.el8_ti,omap4-dss

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)