Sam Ravnborg f9f2ae6282 dt-bindings: display: convert samsung,ld9040 to DT Schema
v2:
  - drop use of spi-slave.yaml (Maxime)
  - added unevaluatedProperties (Maxime)
  - added type to width/height properties (Rob)

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Rob Herring <robh@kernel.org>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200408195109.32692-23-sam@ravnborg.org
2020-04-15 18:05:45 +02:00

108 lines
2.5 KiB
YAML

# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/panel/samsung,ld9040.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Samsung LD9040 AMOLED LCD parallel RGB panel with SPI control bus
description: |
The panel must obey the rules for a SPI slave device as specified in
spi/spi-controller.yaml
maintainers:
- Andrzej Hajda <a.hajda@samsung.com>
allOf:
- $ref: panel-common.yaml#
properties:
compatible:
const: samsung,ld9040
display-timings: true
port: true
reg: true
reset-gpios: true
vdd3-supply:
description: core voltage supply
vci-supply:
description: voltage supply for analog circuits
power-on-delay:
$ref: /schemas/types.yaml#/definitions/uint32
description: delay after turning regulators on [ms]
reset-delay:
$ref: /schemas/types.yaml#/definitions/uint32
description: delay after reset sequence [ms]
panel-width-mm:
description: physical panel width [mm]
panel-height-mm:
description: physical panel height [mm]
required:
- compatible
- reg
- vdd3-supply
- vci-supply
- reset-gpios
- display-timings
unevaluatedProperties: false
examples:
- |
spi {
#address-cells = <1>;
#size-cells = <0>;
lcd@0 {
compatible = "samsung,ld9040";
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
vdd3-supply = <&ldo7_reg>;
vci-supply = <&ldo17_reg>;
reset-gpios = <&gpy4 5 0>;
spi-max-frequency = <1200000>;
spi-cpol;
spi-cpha;
power-on-delay = <10>;
reset-delay = <10>;
panel-width-mm = <90>;
panel-height-mm = <154>;
display-timings {
timing {
clock-frequency = <23492370>;
hactive = <480>;
vactive = <800>;
hback-porch = <16>;
hfront-porch = <16>;
vback-porch = <2>;
vfront-porch = <28>;
hsync-len = <2>;
vsync-len = <1>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <0>;
pixelclk-active = <0>;
};
};
port {
lcd_ep: endpoint {
remote-endpoint = <&fimd_dpi_ep>;
};
};
};
};
...