st,stm32-dsi.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/st,stm32-dsi.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: STMicroelectronics STM32 DSI host controller
    8 
    9 maintainers:
   10   - Philippe Cornu <philippe.cornu@foss.st.com>
   11   - Yannick Fertre <yannick.fertre@foss.st.com>
   12 
   13 description:
   14   The STMicroelectronics STM32 DSI controller uses the Synopsys DesignWare MIPI-DSI host controller.
   15 
   16 allOf:
   17   - $ref: dsi-controller.yaml#
   18 
   19 properties:
   20   compatible:
   21     const: st,stm32-dsi
   22 
   23   reg:
   24     maxItems: 1
   25 
   26   clocks:
   27     items:
   28       - description: Module Clock
   29       - description: DSI bus clock
   30       - description: Pixel clock
   31     minItems: 2
   32 
   33   clock-names:
   34     items:
   35       - const: pclk
   36       - const: ref
   37       - const: px_clk
   38     minItems: 2
   39 
   40   resets:
   41     maxItems: 1
   42 
   43   reset-names:
   44     items:
   45       - const: apb
   46 
   47   phy-dsi-supply:
   48     description:
   49       Phandle of the regulator that provides the supply voltage.
   50 
   51   ports:
   52     $ref: /schemas/graph.yaml#/properties/ports
   53 
   54     properties:
   55       port@0:
   56         $ref: /schemas/graph.yaml#/properties/port
   57         description:
   58           DSI input port node, connected to the ltdc rgb output port.
   59 
   60       port@1:
   61         $ref: /schemas/graph.yaml#/properties/port
   62         description:
   63           DSI output port node, connected to a panel or a bridge input port"
   64 
   65 required:
   66   - "#address-cells"
   67   - "#size-cells"
   68   - compatible
   69   - reg
   70   - clocks
   71   - clock-names
   72   - ports
   73 
   74 unevaluatedProperties: false
   75 
   76 examples:
   77   - |
   78     #include <dt-bindings/interrupt-controller/arm-gic.h>
   79     #include <dt-bindings/clock/stm32mp1-clks.h>
   80     #include <dt-bindings/reset/stm32mp1-resets.h>
   81     #include <dt-bindings/gpio/gpio.h>
   82     dsi: dsi@5a000000 {
   83         compatible = "st,stm32-dsi";
   84         reg = <0x5a000000 0x800>;
   85         clocks = <&rcc DSI_K>, <&clk_hse>, <&rcc DSI_PX>;
   86         clock-names = "pclk", "ref", "px_clk";
   87         resets = <&rcc DSI_R>;
   88         reset-names = "apb";
   89         phy-dsi-supply = <&reg18>;
   90 
   91         #address-cells = <1>;
   92         #size-cells = <0>;
   93 
   94         ports {
   95               #address-cells = <1>;
   96               #size-cells = <0>;
   97 
   98               port@0 {
   99                     reg = <0>;
  100                     dsi_in: endpoint {
  101                         remote-endpoint = <&ltdc_ep1_out>;
  102                     };
  103               };
  104 
  105               port@1 {
  106                     reg = <1>;
  107                     dsi_out: endpoint {
  108                         remote-endpoint = <&panel_in>;
  109                     };
  110               };
  111         };
  112 
  113         panel@0 {
  114               compatible = "orisetech,otm8009a";
  115               reg = <0>;
  116               reset-gpios = <&gpioe 4 GPIO_ACTIVE_LOW>;
  117               power-supply = <&v3v3>;
  118 
  119               port {
  120                     panel_in: endpoint {
  121                         remote-endpoint = <&dsi_out>;
  122                     };
  123               };
  124         };
  125     };
  126 
  127 ...

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sys/contrib/device-tree/Bindings/display/st,stm32-dsi.yaml