dt-bindings: display: Convert pda,91-00156-a0 panel to DT schema

PDA 91-00156-A0 5.0" WVGA TFT LCD panel

Required properties:

- compatible: should be "pda,91-00156-a0"

- power-supply: this panel requires a single power supply. A phandle to a

regulator needs to be specified here. Compatible with panel-common binding which

is specified in the panel-common.txt in this directory.

- backlight: this panel's backlight is controlled by an external backlight

controller. A phandle to this controller needs to be specified here.

Compatible with panel-common binding which is specified in the panel-common.txt

in this directory.

This binding is compatible with the simple-panel binding, which is specified

in simple-panel.txt in this directory.

# SPDX-License-Identifier: GPL-2.0

%YAML 1.2

---

$id: http://devicetree.org/schemas/display/panel/pda,91-00156-a0.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#

title: PDA 91-00156-A0 5.0" WVGA TFT LCD panel

maintainers:

  - Cristian Birsan <cristian.birsan@microchip.com>

  - Thierry Reding <thierry.reding@gmail.com>

allOf:

  - $ref: panel-common.yaml#

properties:

  compatible:

    const: pda,91-00156-a0

  power-supply: true

  backlight: true

  port: true

additionalProperties: false

required:

  - compatible

  - power-supply

  - backlight

...