90 lines
1.9 KiB
YAML
90 lines
1.9 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/display/panel/samsung,lms397kf04.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Samsung LMS397KF04 display panel
|
|
|
|
description: The datasheet claims this is based around a display controller
|
|
named DB7430 with a separate backlight controller.
|
|
|
|
maintainers:
|
|
- Linus Walleij <linus.walleij@linaro.org>
|
|
|
|
allOf:
|
|
- $ref: panel-common.yaml#
|
|
- $ref: /schemas/spi/spi-peripheral-props.yaml#
|
|
|
|
properties:
|
|
compatible:
|
|
const: samsung,lms397kf04
|
|
|
|
reg: true
|
|
|
|
reset-gpios: true
|
|
|
|
vci-supply:
|
|
description: regulator that supplies the VCI analog voltage
|
|
usually around 3.0 V
|
|
|
|
vccio-supply:
|
|
description: regulator that supplies the VCCIO voltage usually
|
|
around 1.8 V
|
|
|
|
backlight: true
|
|
|
|
spi-cpha: true
|
|
|
|
spi-cpol: true
|
|
|
|
spi-max-frequency:
|
|
description: inherited as a SPI client node, the datasheet specifies
|
|
maximum 300 ns minimum cycle which gives around 3 MHz max frequency
|
|
maximum: 3000000
|
|
|
|
port: true
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
- spi-cpha
|
|
- spi-cpol
|
|
- port
|
|
|
|
unevaluatedProperties: false
|
|
|
|
examples:
|
|
- |
|
|
#include <dt-bindings/gpio/gpio.h>
|
|
|
|
spi {
|
|
compatible = "spi-gpio";
|
|
sck-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
|
|
miso-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
|
|
mosi-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>;
|
|
cs-gpios = <&gpio 3 GPIO_ACTIVE_HIGH>;
|
|
num-chipselects = <1>;
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
panel@0 {
|
|
compatible = "samsung,lms397kf04";
|
|
spi-max-frequency = <3000000>;
|
|
spi-cpha;
|
|
spi-cpol;
|
|
reg = <0>;
|
|
vci-supply = <&lcd_3v0_reg>;
|
|
vccio-supply = <&lcd_1v8_reg>;
|
|
reset-gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
|
|
backlight = <&ktd259>;
|
|
|
|
port {
|
|
panel_in: endpoint {
|
|
remote-endpoint = <&display_out>;
|
|
};
|
|
};
|
|
};
|
|
};
|
|
|
|
...
|