samsung,lms397kf04.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/display/panel/samsung,lms397kf04.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Samsung LMS397KF04 display panel
    8 
    9 description: The datasheet claims this is based around a display controller
   10   named DB7430 with a separate backlight controller.
   11 
   12 maintainers:
   13   - Linus Walleij <linus.walleij@linaro.org>
   14 
   15 allOf:
   16   - $ref: panel-common.yaml#
   17 
   18 properties:
   19   compatible:
   20     const: samsung,lms397kf04
   21 
   22   reg: true
   23 
   24   reset-gpios: true
   25 
   26   vci-supply:
   27     description: regulator that supplies the VCI analog voltage
   28       usually around 3.0 V
   29 
   30   vccio-supply:
   31     description: regulator that supplies the VCCIO voltage usually
   32       around 1.8 V
   33 
   34   backlight: true
   35 
   36   spi-cpha: true
   37 
   38   spi-cpol: true
   39 
   40   spi-max-frequency:
   41     description: inherited as a SPI client node, the datasheet specifies
   42       maximum 300 ns minimum cycle which gives around 3 MHz max frequency
   43     maximum: 3000000
   44 
   45   port: true
   46 
   47 required:
   48   - compatible
   49   - reg
   50   - spi-cpha
   51   - spi-cpol
   52   - port
   53 
   54 additionalProperties: false
   55 
   56 examples:
   57   - |
   58     #include <dt-bindings/gpio/gpio.h>
   59 
   60     spi {
   61       compatible = "spi-gpio";
   62       sck-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
   63       miso-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
   64       mosi-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>;
   65       cs-gpios = <&gpio 3 GPIO_ACTIVE_HIGH>;
   66       num-chipselects = <1>;
   67       #address-cells = <1>;
   68       #size-cells = <0>;
   69       panel@0 {
   70         compatible = "samsung,lms397kf04";
   71         spi-max-frequency = <3000000>;
   72         spi-cpha;
   73         spi-cpol;
   74         reg = <0>;
   75         vci-supply = <&lcd_3v0_reg>;
   76         vccio-supply = <&lcd_1v8_reg>;
   77         reset-gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
   78         backlight = <&ktd259>;
   79 
   80         port {
   81           panel_in: endpoint {
   82             remote-endpoint = <&display_out>;
   83           };
   84         };
   85       };
   86     };
   87 
   88 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/display/panel/samsung,lms397kf04.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/display/panel/samsung,lms397kf04.yaml