xref: /linux/Documentation/devicetree/bindings/media/renesas,ceu.yaml (revision 74c12ee02af109adcde36ec184fa59c0afb0edaa) 
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
7title: Renesas Capture Engine Unit (CEU) Bindings
8
9maintainers:
10  - Jacopo Mondi <jacopo+renesas@jmondi.org>
11  - linux-renesas-soc@vger.kernel.org
12
13description: |+
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
18properties:
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
56required:
57  - compatible
58  - reg
59  - interrupts
60  - port
61
62examples:
63  - |
64    #include <dt-bindings/interrupt-controller/arm-gic.h>
65
66    ceu: ceu@e8210000 {
67        reg = <0xe8210000 0x209c>;
68        compatible = "renesas,r7s72100-ceu";
69        interrupts = <GIC_SPI 332 IRQ_TYPE_LEVEL_HIGH>;
70
71        port {
72            ceu_in: endpoint {
73                remote-endpoint = <&ov7670_out>;
74                hsync-active = <1>;
75                vsync-active = <0>;
76            };
77        };
78    };
79