dts/bindings/mipi-dbi/zephyr,mipi-dbi-bitbang.yaml

# Copyright 2024 Stefan Gloor
#
# SPDX-License-Identifier: Apache-2.0

description: |
  MIPI-DBI Mode A and B bit banging controller. This driver emulates MIPI DBI mode A and B (6800
  and 8080 parallel interfaces) using GPIO pins.

compatible: "zephyr,mipi-dbi-bitbang"

include: ["mipi-dbi-controller.yaml", "pinctrl-device.yaml"]

properties:

  dc-gpios:
    type: phandle-array
    required: true
    description: |
      Data/command GPIO pin. Set to low when sending a command, or high when sending data.

  reset-gpios:
    type: phandle-array
    required: true
    description: |
      Reset GPIO pin. Set high to reset the display.

  rd-gpios:
    type: phandle-array
    description: |
      Read GPIO pin. Set high when reading from the display. Required for type B (Intel 8080) mode,
      unused for type A (Motorola 6800).

  wr-gpios:
    type: phandle-array
    required: true
    description: |
      Write GPIO pin for type B (Intel 8080) mode, Read/!Write pin for type A (Motorola 6800) mode.

  e-gpios:
    type: phandle-array
    description: |
      Clocked enable/strobe pin for type A (Motorola 6800) mode, unused for type B (Intel 8080).
      Fixed E mode is not supported.

  cs-gpios:
    type: phandle-array
    required: true
    description: |
      Chip-select GPIO pin.

  data-gpios:
    type: phandle-array
    required: true
    description: |
      GPIO pins used for the parallel data bus. This must have as many entries as the bus is wide
      of the selected mipi-mode.