dts/bindings/display/sitronix,st75256.yaml

description: ST75256 Display Controller

compatible: "sitronix,st75256"

include: [mipi-dbi-spi-device.yaml, display-controller.yaml]

properties:
  booster-frequency:
    type: int
    required: true
    description: Sets frequency of booster, 0 or 1 (6 Khz)

  bias-ratio:
    type: int
    required: true
    description: Sets bias (0:1/14, 1:1/13, 2:1/12, 3:1/11, 4:1/10, 5:1/9)

  flip-configuration:
    type: int
    required: true
    description: 3 bits, MV[2], MX[1], MY[0]

  duty:
    type: int
    required: true
    description: 31, 62, 79, 127, 159, 161. Typically height-1

  light-grey:
    type: int
    required: true
    description: 5-bit value describing light grey (0x01) pixel. Heavily affected by contrast.

  dark-grey:
    type: int
    required: true
    description: 5-bit value describing dark grey (0x10) pixel. Heavily affected by contrast.

  power-control:
    type: int
    default: 0xb
    description: Power control register (x[0] = VR, x[1] = VF, x[3] = VB).
      Most displays have all turned on.

  fi-settings:
    type: int
    default: 0
    description: Frame inversion settings. LF4, FI, LF3, LF2, LF1, LF0 (5:0). Most displays use 0

  lsb-invdir:
    type: boolean
    description: Inverse vertically tiled Byte scan direction.
      Use when display has locally inverted Y patterns or when flipping display.

  external-power:
    type: boolean
    description: Use external power instead of internal power

  inversion-on:
    type: boolean
    description: Turn on display color inverting