xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/media/renesas,ceu.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/media/renesas,ceu.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Renesas Capture Engine Unit (CEU) Bindings
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Jacopo Mondi <jacopo+renesas@jmondi.org>
11*4882a593Smuzhiyun  - linux-renesas-soc@vger.kernel.org
12*4882a593Smuzhiyun
13*4882a593Smuzhiyundescription: |+
14*4882a593Smuzhiyun  The Capture Engine Unit is the image capture interface found in the Renesas SH
15*4882a593Smuzhiyun  Mobile, R-Mobile and RZ SoCs. The interface supports a single parallel input
16*4882a593Smuzhiyun  with data bus width of 8 or 16 bits.
17*4882a593Smuzhiyun
18*4882a593Smuzhiyunproperties:
19*4882a593Smuzhiyun  compatible:
20*4882a593Smuzhiyun    enum:
21*4882a593Smuzhiyun      - renesas,r7s72100-ceu
22*4882a593Smuzhiyun      - renesas,r8a7740-ceu
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun  reg:
25*4882a593Smuzhiyun    maxItems: 1
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun  interrupts:
28*4882a593Smuzhiyun    maxItems: 1
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun  clocks:
31*4882a593Smuzhiyun    maxItems: 1
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun  power-domains:
34*4882a593Smuzhiyun    maxItems: 1
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun  port:
37*4882a593Smuzhiyun    type: object
38*4882a593Smuzhiyun    additionalProperties: false
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun    properties:
41*4882a593Smuzhiyun      endpoint:
42*4882a593Smuzhiyun        type: object
43*4882a593Smuzhiyun        additionalProperties: false
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun         # Properties described in
46*4882a593Smuzhiyun         # Documentation/devicetree/bindings/media/video-interfaces.txt
47*4882a593Smuzhiyun        properties:
48*4882a593Smuzhiyun          remote-endpoint: true
49*4882a593Smuzhiyun          hsync-active: true
50*4882a593Smuzhiyun          vsync-active: true
51*4882a593Smuzhiyun          field-even-active: false
52*4882a593Smuzhiyun          bus-width:
53*4882a593Smuzhiyun            enum: [8, 16]
54*4882a593Smuzhiyun            default: 8
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun        required:
57*4882a593Smuzhiyun          - remote-endpoint
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun    required:
60*4882a593Smuzhiyun      - endpoint
61*4882a593Smuzhiyun
62*4882a593Smuzhiyunrequired:
63*4882a593Smuzhiyun  - compatible
64*4882a593Smuzhiyun  - reg
65*4882a593Smuzhiyun  - interrupts
66*4882a593Smuzhiyun  - clocks
67*4882a593Smuzhiyun  - power-domains
68*4882a593Smuzhiyun  - port
69*4882a593Smuzhiyun
70*4882a593SmuzhiyunadditionalProperties: false
71*4882a593Smuzhiyun
72*4882a593Smuzhiyunexamples:
73*4882a593Smuzhiyun  - |
74*4882a593Smuzhiyun    #include <dt-bindings/interrupt-controller/arm-gic.h>
75*4882a593Smuzhiyun    #include <dt-bindings/clock/r7s72100-clock.h>
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun    ceu: ceu@e8210000 {
78*4882a593Smuzhiyun        reg = <0xe8210000 0x209c>;
79*4882a593Smuzhiyun        compatible = "renesas,r7s72100-ceu";
80*4882a593Smuzhiyun        interrupts = <GIC_SPI 332 IRQ_TYPE_LEVEL_HIGH>;
81*4882a593Smuzhiyun        clocks = <&mstp6_clks R7S72100_CLK_CEU>;
82*4882a593Smuzhiyun        power-domains = <&cpg_clocks>;
83*4882a593Smuzhiyun
84*4882a593Smuzhiyun        port {
85*4882a593Smuzhiyun            ceu_in: endpoint {
86*4882a593Smuzhiyun                remote-endpoint = <&ov7670_out>;
87*4882a593Smuzhiyun                hsync-active = <1>;
88*4882a593Smuzhiyun                vsync-active = <0>;
89*4882a593Smuzhiyun            };
90*4882a593Smuzhiyun        };
91*4882a593Smuzhiyun    };
92