Documentation/devicetree/bindings/display/panel/samsung,ld9040.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/display/panel/samsung,ld9040.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Samsung LD9040 AMOLED LCD parallel RGB panel with SPI control bus
   8
   9 maintainers:
  10   - Andrzej Hajda <a.hajda@samsung.com>
  11
  12 allOf:
  13   - $ref: panel-common.yaml#
  14   - $ref: /schemas/spi/spi-peripheral-props.yaml#
  15
  16 properties:
  17   compatible:
  18     const: samsung,ld9040
  19
  20   display-timings: true
  21   port: true
  22   reg: true
  23   reset-gpios: true
  24
  25   vdd3-supply:
  26     description: core voltage supply
  27
  28   vci-supply:
  29     description: voltage supply for analog circuits
  30
  31   power-on-delay:
  32     $ref: /schemas/types.yaml#/definitions/uint32
  33     description: delay after turning regulators on [ms]
  34
  35   reset-delay:
  36     $ref: /schemas/types.yaml#/definitions/uint32
  37     description: delay after reset sequence [ms]
  38
  39   panel-width-mm:
  40     description: physical panel width [mm]
  41
  42   panel-height-mm:
  43     description: physical panel height [mm]
  44
  45 required:
  46   - compatible
  47   - reg
  48   - vdd3-supply
  49   - vci-supply
  50   - reset-gpios
  51   - display-timings
  52
  53 unevaluatedProperties: false
  54
  55 examples:
  56   - |
  57     spi {
  58         #address-cells = <1>;
  59         #size-cells = <0>;
  60
  61         lcd@0 {
  62             compatible = "samsung,ld9040";
  63
  64             reg = <0>;
  65             vdd3-supply = <&ldo7_reg>;
  66             vci-supply = <&ldo17_reg>;
  67             reset-gpios = <&gpy4 5 0>;
  68             spi-max-frequency = <1200000>;
  69             spi-cpol;
  70             spi-cpha;
  71             power-on-delay = <10>;
  72             reset-delay = <10>;
  73             panel-width-mm = <90>;
  74             panel-height-mm = <154>;
  75
  76             display-timings {
  77                 timing {
  78                     clock-frequency = <23492370>;
  79                     hactive = <480>;
  80                     vactive = <800>;
  81                     hback-porch = <16>;
  82                     hfront-porch = <16>;
  83                     vback-porch = <2>;
  84                     vfront-porch = <28>;
  85                     hsync-len = <2>;
  86                     vsync-len = <1>;
  87                     hsync-active = <0>;
  88                     vsync-active = <0>;
  89                     de-active = <0>;
  90                     pixelclk-active = <0>;
  91                 };
  92             };
  93
  94             port {
  95                 lcd_ep: endpoint {
  96                     remote-endpoint = <&fimd_dpi_ep>;
  97                 };
  98             };
  99         };
 100     };
 101
 102 ...