Documentation/devicetree/bindings/media/renesas,vsp1.txt

   1 * Renesas VSP1 Video Processing Engine
   2
   3 The VSP1 is a video processing engine that supports up-/down-scaling, alpha
   4 blending, color space conversion and various other image processing features.
   5 It can be found in the Renesas R-Car second generation SoCs.
   6
   7 Required properties:
   8
   9   - compatible: Must contain "renesas,vsp1"
  10
  11   - reg: Base address and length of the registers block for the VSP1.
  12   - interrupts: VSP1 interrupt specifier.
  13   - clocks: A phandle + clock-specifier pair for the VSP1 functional clock.
  14
  15   - renesas,#rpf: Number of Read Pixel Formatter (RPF) modules in the VSP1.
  16   - renesas,#uds: Number of Up Down Scaler (UDS) modules in the VSP1.
  17   - renesas,#wpf: Number of Write Pixel Formatter (WPF) modules in the VSP1.
  18
  19
  20 Optional properties:
  21
  22   - renesas,has-lif: Boolean, indicates that the LCD Interface (LIF) module is
  23     available.
  24   - renesas,has-lut: Boolean, indicates that the Look Up Table (LUT) module is
  25     available.
  26   - renesas,has-sru: Boolean, indicates that the Super Resolution Unit (SRU)
  27     module is available.
  28
  29
  30 Example: R8A7790 (R-Car H2) VSP1-S node
  31
  32         vsp1@fe928000 {
  33                 compatible = "renesas,vsp1";
  34                 reg = <0 0xfe928000 0 0x8000>;
  35                 interrupts = <0 267 IRQ_TYPE_LEVEL_HIGH>;
  36                 clocks = <&mstp1_clks R8A7790_CLK_VSP1_S>;
  37
  38                 renesas,has-lut;
  39                 renesas,has-sru;
  40                 renesas,#rpf = <5>;
  41                 renesas,#uds = <3>;
  42                 renesas,#wpf = <4>;
  43         };