xref: /freebsd/sys/contrib/device-tree/Bindings/display/renesas,cmm.yaml (revision 911f0260390e18cf85f3dbf2c719b593efdc1e3c) 
1# SPDX-License-Identifier: GPL-2.0-only
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/renesas,cmm.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Renesas R-Car Color Management Module (CMM)
8
9maintainers:
10  - Laurent Pinchart <laurent.pinchart@ideasonboard.com>
11  - Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
12  - Jacopo Mondi <jacopo+renesas@jmondi.org>
13
14description: |+
15  Renesas R-Car color management module connected to R-Car DU video channels.
16  It provides image enhancement functions such as 1-D look-up tables (LUT),
17  3-D look-up tables (CLU), 1D-histogram generation (HGO), and color
18  space conversion (CSC).
19
20properties:
21  compatible:
22    oneOf:
23      - items:
24          - enum:
25              - renesas,r8a7795-cmm
26              - renesas,r8a7796-cmm
27              - renesas,r8a77965-cmm
28              - renesas,r8a77990-cmm
29              - renesas,r8a77995-cmm
30          - const: renesas,rcar-gen3-cmm
31      - items:
32          - const: renesas,rcar-gen2-cmm
33
34  reg:
35    maxItems: 1
36
37  clocks:
38    maxItems: 1
39
40  resets:
41    maxItems: 1
42
43  power-domains:
44    maxItems: 1
45
46required:
47  - compatible
48  - reg
49  - clocks
50  - resets
51  - power-domains
52
53additionalProperties: false
54
55examples:
56  - |
57    #include <dt-bindings/clock/r8a7796-cpg-mssr.h>
58    #include <dt-bindings/power/r8a7796-sysc.h>
59
60    cmm0: cmm@fea40000 {
61         compatible = "renesas,r8a7796-cmm",
62                      "renesas,rcar-gen3-cmm";
63         reg = <0xfea40000 0x1000>;
64         power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
65         clocks = <&cpg CPG_MOD 711>;
66         resets = <&cpg 711>;
67    };
68