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   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     };