Documentation/devicetree/bindings/media/renesas,ceu.yaml

   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   port:
  31     type: object
  32     additionalProperties: false
  33
  34     properties:
  35        endpoint:
  36          type: object
  37          additionalProperties: false
  38
  39          # Properties described in
  40          # Documentation/devicetree/bindings/media/video-interfaces.txt
  41          properties:
  42            remote-endpoint: true
  43            hsync-active: true
  44            vsync-active: true
  45            field-even-active: false
  46            bus-width:
  47              enum: [8, 16]
  48              default: 8
  49
  50          required:
  51            - remote-endpoint
  52
  53     required:
  54       - endpoint
  55
  56 required:
  57   - compatible
  58   - reg
  59   - interrupts
  60   - port
  61
  62 additionalProperties: false
  63
  64 examples:
  65   - |
  66     #include <dt-bindings/interrupt-controller/arm-gic.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
  73         port {
  74             ceu_in: endpoint {
  75                 remote-endpoint = <&ov7670_out>;
  76                 hsync-active = <1>;
  77                 vsync-active = <0>;
  78             };
  79         };
  80     };