Documentation/devicetree/bindings/display/panel/samsung,lms380kf01.yaml

   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,lms380kf01.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Samsung LMS380KF01 display panel
   8
   9 description: The LMS380KF01 is a 480x800 DPI display panel from Samsung Mobile
  10   Displays (SMD) utilizing the WideChips WS2401 display controller. It can be
  11   used with internal or external backlight control.
  12   The panel must obey the rules for a SPI slave device as specified in
  13   spi/spi-controller.yaml
  14
  15 maintainers:
  16   - Linus Walleij <linus.walleij@linaro.org>
  17
  18 allOf:
  19   - $ref: panel-common.yaml#
  20
  21 properties:
  22   compatible:
  23     const: samsung,lms380kf01
  24
  25   reg: true
  26
  27   interrupts:
  28     description: provides an optional ESD (electrostatic discharge)
  29       interrupt that signals abnormalities in the display hardware.
  30       This can also be raised for other reasons like erroneous
  31       configuration.
  32     maxItems: 1
  33
  34   reset-gpios: true
  35
  36   vci-supply:
  37     description: regulator that supplies the VCI analog voltage
  38       usually around 3.0 V
  39
  40   vccio-supply:
  41     description: regulator that supplies the VCCIO voltage usually
  42       around 1.8 V
  43
  44   backlight: true
  45
  46   spi-cpha: true
  47
  48   spi-cpol: true
  49
  50   spi-max-frequency:
  51     maximum: 1200000
  52
  53   port: true
  54
  55 required:
  56   - compatible
  57   - reg
  58   - spi-cpha
  59   - spi-cpol
  60   - port
  61
  62 additionalProperties: false
  63
  64 examples:
  65   - |
  66     #include <dt-bindings/gpio/gpio.h>
  67     #include <dt-bindings/interrupt-controller/irq.h>
  68
  69     spi {
  70         compatible = "spi-gpio";
  71         sck-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
  72         miso-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
  73         mosi-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>;
  74         cs-gpios = <&gpio 3 GPIO_ACTIVE_HIGH>;
  75         num-chipselects = <1>;
  76         #address-cells = <1>;
  77         #size-cells = <0>;
  78
  79         panel@0 {
  80             compatible = "samsung,lms380kf01";
  81             spi-max-frequency = <1200000>;
  82             spi-cpha;
  83             spi-cpol;
  84             reg = <0>;
  85             vci-supply = <&lcd_3v0_reg>;
  86             vccio-supply = <&lcd_1v8_reg>;
  87             reset-gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
  88             interrupt-parent = <&gpio>;
  89             interrupts = <5 IRQ_TYPE_EDGE_RISING>;
  90
  91             port {
  92                 panel_in: endpoint {
  93                     remote-endpoint = <&display_out>;
  94                 };
  95             };
  96         };
  97     };
  98
  99 ...