renesas,ceu.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/media/renesas,ceu.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Renesas Capture Engine Unit (CEU) Bindings
    8 
    9 maintainers:
   10   - Jacopo Mondi <jacopo+renesas@jmondi.org>
   11   - linux-renesas-soc@vger.kernel.org
   12 
   13 description: |+
   14   The Capture Engine Unit is the image capture interface found in the Renesas SH
   15   Mobile, R-Mobile and RZ SoCs. The interface supports a single parallel input
   16   with data bus width of 8 or 16 bits.
   17 
   18 properties:
   19   compatible:
   20     enum:
   21       - renesas,r7s72100-ceu
   22       - renesas,r8a7740-ceu
   23 
   24   reg:
   25     maxItems: 1
   26 
   27   interrupts:
   28     maxItems: 1
   29 
   30   clocks:
   31     maxItems: 1
   32 
   33   power-domains:
   34     maxItems: 1
   35 
   36   port:
   37     $ref: /schemas/graph.yaml#/$defs/port-base
   38     unevaluatedProperties: false
   39 
   40     properties:
   41       endpoint:
   42         $ref: video-interfaces.yaml#
   43         unevaluatedProperties: false
   44 
   45         properties:
   46           hsync-active: true
   47           vsync-active: true
   48           field-even-active: false
   49           bus-width:
   50             enum: [8, 16]
   51             default: 8
   52 
   53 required:
   54   - compatible
   55   - reg
   56   - interrupts
   57   - clocks
   58   - power-domains
   59   - port
   60 
   61 additionalProperties: false
   62 
   63 examples:
   64   - |
   65     #include <dt-bindings/interrupt-controller/arm-gic.h>
   66     #include <dt-bindings/clock/r7s72100-clock.h>
   67 
   68     ceu: ceu@e8210000 {
   69         reg = <0xe8210000 0x209c>;
   70         compatible = "renesas,r7s72100-ceu";
   71         interrupts = <GIC_SPI 332 IRQ_TYPE_LEVEL_HIGH>;
   72         clocks = <&mstp6_clks R7S72100_CLK_CEU>;
   73         power-domains = <&cpg_clocks>;
   74 
   75         port {
   76             ceu_in: endpoint {
   77                 remote-endpoint = <&ov7670_out>;
   78                 hsync-active = <1>;
   79                 vsync-active = <0>;
   80             };
   81         };
   82     };

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sys/contrib/device-tree/Bindings/media/renesas,ceu.yaml