Commit 3b5d6c3c authored by Sam Ravnborg's avatar Sam Ravnborg
Browse files

dt-bindings: display: convert kingdisplay,kd035g6-54nt to DT Schema 



v2:
  - Drop use of spi-slave.yaml (Maxime)
  - Introduce unevaluatedProperties (Maxime)

Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
Reviewed-by: default avatarPaul Cercueil <paul@crapouillou.net>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Paul Cercueil <paul@crapouillou.net>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200408195109.32692-14-sam@ravnborg.org
parent b33b9141

Documentation/devicetree/bindings/display/panel/kingdisplay,kd035g6-54nt.txt

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King Display KD035G6-54NT 3.5" (320x240 pixels) 24-bit TFT LCD panel



Required properties:

- compatible: should be "kingdisplay,kd035g6-54nt"

- power-supply: See panel-common.txt

- reset-gpios: See panel-common.txt



Optional properties:

- backlight: see panel-common.txt



The generic bindings for the SPI slaves documented in [1] also apply.



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:



&spi {

	panel@0 {

		compatible = "kingdisplay,kd035g6-54nt";

		reg = <0>;



		spi-max-frequency = <3125000>;

		spi-3wire;

		spi-cs-high;



		reset-gpios = <&gpe 2 GPIO_ACTIVE_LOW>;



		backlight = <&backlight>;

		power-supply = <&ldo6>;



		port {

			panel_input: endpoint {

				remote-endpoint = <&panel_output>;

			};

		};

	};

};

Documentation/devicetree/bindings/display/panel/kingdisplay,kd035g6-54nt.yaml

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# SPDX-License-Identifier: GPL-2.0

%YAML 1.2

---

$id: http://devicetree.org/schemas/display/panel/kingdisplay,kd035g6-54nt.yaml#

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



title: King Display KD035G6-54NT 3.5" (320x240 pixels) 24-bit TFT LCD panel



description: |

  The panel must obey the rules for a SPI slave device as specified in

  spi/spi-controller.yaml



maintainers:

  - Paul Cercueil <paul@crapouillou.net>



allOf:

  - $ref: panel-common.yaml#



properties:

  compatible:

    const: kingdisplay,kd035g6-54nt



  backlight: true

  port: true

  power-supply: true

  reg: true

  reset-gpios: true



required:

  - compatible

  - power-supply

  - reset-gpios



unevaluatedProperties: false



examples:

  - |

    #include <dt-bindings/gpio/gpio.h>



    spi {

        #address-cells = <1>;

        #size-cells = <0>;



        panel@0 {

            compatible = "kingdisplay,kd035g6-54nt";

            reg = <0>;



            spi-max-frequency = <3125000>;

            spi-3wire;

            spi-cs-high;



            reset-gpios = <&gpe 2 GPIO_ACTIVE_LOW>;



            backlight = <&backlight>;

            power-supply = <&ldo6>;



            port {

                panel_input: endpoint {

                    remote-endpoint = <&panel_output>;

                };

            };

        };

    };



...