ingenic,lcd.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/display/ingenic,lcd.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Ingenic SoCs LCD controller devicetree bindings
    8 
    9 maintainers:
   10   - Paul Cercueil <paul@crapouillou.net>
   11 
   12 properties:
   13   $nodename:
   14     pattern: "^lcd-controller@[0-9a-f]+$"
   15 
   16   compatible:
   17     enum:
   18       - ingenic,jz4740-lcd
   19       - ingenic,jz4725b-lcd
   20       - ingenic,jz4770-lcd
   21       - ingenic,jz4780-lcd
   22 
   23   reg:
   24     maxItems: 1
   25 
   26   interrupts:
   27     maxItems: 1
   28 
   29   clocks:
   30     items:
   31       - description: Pixel clock
   32       - description: Module clock
   33     minItems: 1
   34 
   35   clock-names:
   36     items:
   37       - const: lcd_pclk
   38       - const: lcd
   39     minItems: 1
   40 
   41   port:
   42     $ref: /schemas/graph.yaml#/properties/port
   43 
   44   ports:
   45     $ref: /schemas/graph.yaml#/properties/ports
   46 
   47     properties:
   48       port@0:
   49         $ref: /schemas/graph.yaml#/properties/port
   50         description: DPI output, to interface with TFT panels.
   51 
   52       port@8:
   53         $ref: /schemas/graph.yaml#/properties/port
   54         description: Link to the Image Processing Unit (IPU).
   55           (See ingenic,ipu.yaml).
   56 
   57     required:
   58       - port@0
   59 
   60 required:
   61   - compatible
   62   - reg
   63   - interrupts
   64   - clocks
   65   - clock-names
   66 
   67 if:
   68   properties:
   69     compatible:
   70       contains:
   71         enum:
   72           - ingenic,jz4740-lcd
   73           - ingenic,jz4780-lcd
   74 then:
   75   properties:
   76     clocks:
   77       minItems: 2
   78     clock-names:
   79       minItems: 2
   80 else:
   81   properties:
   82     clocks:
   83       maxItems: 1
   84     clock-names:
   85       maxItems: 1
   86 
   87 additionalProperties: false
   88 
   89 examples:
   90   - |
   91     #include <dt-bindings/clock/ingenic,jz4740-cgu.h>
   92     lcd-controller@13050000 {
   93       compatible = "ingenic,jz4740-lcd";
   94       reg = <0x13050000 0x1000>;
   95 
   96       interrupt-parent = <&intc>;
   97       interrupts = <30>;
   98 
   99       clocks = <&cgu JZ4740_CLK_LCD_PCLK>, <&cgu JZ4740_CLK_LCD>;
  100       clock-names = "lcd_pclk", "lcd";
  101 
  102       port {
  103         endpoint {
  104           remote-endpoint = <&panel_input>;
  105         };
  106       };
  107     };
  108 
  109   - |
  110     #include <dt-bindings/clock/ingenic,jz4725b-cgu.h>
  111     lcd-controller@13050000 {
  112       compatible = "ingenic,jz4725b-lcd";
  113       reg = <0x13050000 0x1000>;
  114 
  115       interrupt-parent = <&intc>;
  116       interrupts = <31>;
  117 
  118       clocks = <&cgu JZ4725B_CLK_LCD>;
  119       clock-names = "lcd_pclk";
  120 
  121       port {
  122         endpoint {
  123           remote-endpoint = <&panel_input>;
  124         };
  125       };
  126     };

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sys/contrib/device-tree/Bindings/display/ingenic,lcd.yaml