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     type: object
  38     additionalProperties: false
  39
  40     properties:
  41       endpoint:
  42         type: object
  43         additionalProperties: false
  44
  45          # Properties described in
  46          # Documentation/devicetree/bindings/media/video-interfaces.txt
  47         properties:
  48           remote-endpoint: true
  49           hsync-active: true
  50           vsync-active: true
  51           field-even-active: false
  52           bus-width:
  53             enum: [8, 16]
  54             default: 8
  55
  56         required:
  57           - remote-endpoint
  58
  59     required:
  60       - endpoint
  61
  62 required:
  63   - compatible
  64   - reg
  65   - interrupts
  66   - clocks
  67   - power-domains
  68   - port
  69
  70 additionalProperties: false
  71
  72 examples:
  73   - |
  74     #include <dt-bindings/interrupt-controller/arm-gic.h>
  75     #include <dt-bindings/clock/r7s72100-clock.h>
  76
  77     ceu: ceu@e8210000 {
  78         reg = <0xe8210000 0x209c>;
  79         compatible = "renesas,r7s72100-ceu";
  80         interrupts = <GIC_SPI 332 IRQ_TYPE_LEVEL_HIGH>;
  81         clocks = <&mstp6_clks R7S72100_CLK_CEU>;
  82         power-domains = <&cpg_clocks>;
  83
  84         port {
  85             ceu_in: endpoint {
  86                 remote-endpoint = <&ov7670_out>;
  87                 hsync-active = <1>;
  88                 vsync-active = <0>;
  89             };
  90         };
  91     };