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dt-bindings: display: convert sitronix,st7789v to DT Schema

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v2:
    - dropped use of spi-slave.yaml (Maxime)
    - added unevaluatedProperties (Maxime)

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200408195109.32692-28-sam@ravnborg.org
This commit is contained in:
Sam Ravnborg 2020-04-08 21:51:00 +02:00
parent c907477e12
commit 6c424e6862
2 changed files with 63 additions and 37 deletions
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37
Documentation/devicetree/bindings/display/panel/sitronix,st7789v.txt
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@ -1,37 +0,0 @@
Sitronix ST7789V RGB panel with SPI control bus
Required properties:
- compatible: "sitronix,st7789v"
- reg: Chip select of the panel on the SPI bus
- reset-gpios: a GPIO phandle for the reset pin
- power-supply: phandle of the regulator that provides the supply voltage
Optional properties:
- backlight: phandle to the backlight used
The generic bindings for the SPI slaves documented in [1] also applies
The device node can contain one 'port' child node with one child
'endpoint' node, according to the bindings defined in [2]. This
node should describe panel's video bus.
[1]: Documentation/devicetree/bindings/spi/spi-bus.txt
[2]: Documentation/devicetree/bindings/graph.txt
Example:
panel@0 {
compatible = "sitronix,st7789v";
reg = <0>;
reset-gpios = <&pio 6 11 GPIO_ACTIVE_LOW>;
backlight = <&pwm_bl>;
spi-max-frequency = <100000>;
spi-cpol;
spi-cpha;
port {
panel_input: endpoint {
remote-endpoint = <&tcon0_out_panel>;
};
};
};

63
Documentation/devicetree/bindings/display/panel/sitronix,st7789v.yaml Normal file
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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/panel/sitronix,st7789v.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Sitronix ST7789V 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:
- Maxime Ripard <mripard@kernel.org>
allOf:
- $ref: panel-common.yaml#
properties:
compatible:
const: sitronix,st7789v
reg: true
reset-gpios: true
power-supply: true
backlight: true
port: true
required:
- compatible
- reg
- reset-gpios
- power-supply
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
spi {
#address-cells = <1>;
#size-cells = <0>;
panel@0 {
compatible = "sitronix,st7789v";
reg = <0>;
reset-gpios = <&pio 6 11 GPIO_ACTIVE_LOW>;
backlight = <&pwm_bl>;
power-supply = <&power>;
spi-max-frequency = <100000>;
spi-cpol;
spi-cpha;
port {
panel_input: endpoint {
remote-endpoint = <&tcon0_out_panel>;
};
};
};
};
...