Documentation/devicetree/bindings/display/panel/samsung,s6d27a1.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,s6d27a1.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Samsung S6D27A1 display panel
   8
   9 description: The S6D27A1 is a 480x800 DPI display panel from Samsung Mobile
  10   Displays (SMD). The panel must obey the rules for a SPI slave device
  11   as specified in spi/spi-controller.yaml
  12
  13 maintainers:
  14   - Markuss Broks <markuss.broks@gmail.com>
  15
  16 allOf:
  17   - $ref: panel-common.yaml#
  18
  19 properties:
  20   compatible:
  21     const: samsung,s6d27a1
  22
  23   reg: true
  24
  25   interrupts:
  26     description: provides an optional ESD (electrostatic discharge)
  27       interrupt that signals abnormalities in the display hardware.
  28       This can also be raised for other reasons like erroneous
  29       configuration.
  30     maxItems: 1
  31
  32   reset-gpios: true
  33
  34   vci-supply:
  35     description: regulator that supplies the VCI analog voltage
  36       usually around 3.0 V
  37
  38   vccio-supply:
  39     description: regulator that supplies the VCCIO voltage usually
  40       around 1.8 V
  41
  42   backlight: true
  43
  44   spi-cpha: true
  45
  46   spi-cpol: true
  47
  48   spi-max-frequency:
  49     maximum: 1200000
  50
  51   port: true
  52
  53 required:
  54   - compatible
  55   - reg
  56   - vci-supply
  57   - vccio-supply
  58   - spi-cpha
  59   - spi-cpol
  60   - port
  61
  62 unevaluatedProperties: 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         panel@0 {
  79             compatible = "samsung,s6d27a1";
  80             spi-max-frequency = <1200000>;
  81             spi-cpha;
  82             spi-cpol;
  83             reg = <0>;
  84             vci-supply = <&lcd_3v0_reg>;
  85             vccio-supply = <&lcd_1v8_reg>;
  86             reset-gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
  87             interrupt-parent = <&gpio>;
  88             interrupts = <5 IRQ_TYPE_EDGE_RISING>;
  89
  90             port {
  91                 panel_in: endpoint {
  92                     remote-endpoint = <&display_out>;
  93                 };
  94             };
  95         };
  96     };
  97
  98 ...