xref: /linux/Documentation/devicetree/bindings/media/mediatek,mdp3-tcc.yaml (revision ae22a94997b8a03dcb3c922857c203246711f9d4) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/media/mediatek,mdp3-tcc.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: MediaTek Media Data Path 3 Tone Curve Conversion
8
9maintainers:
10  - Matthias Brugger <matthias.bgg@gmail.com>
11
12description:
13  Tone Curve Conversion (TCC) is one of Media Profile Path 3 (MDP3) components.
14  It is used to handle the tone mapping of various gamma curves in order to
15  achieve HDR10 effects. This helps adapt the content to the color and
16  brightness range that standard display devices typically support.
17
18properties:
19  compatible:
20    enum:
21      - mediatek,mt8195-mdp3-tcc
22
23  reg:
24    maxItems: 1
25
26  mediatek,gce-client-reg:
27    description:
28      The register of display function block to be set by gce. There are 4 arguments,
29      such as gce node, subsys id, offset and register size. The subsys id that is
30      mapping to the register of display function blocks is defined in the gce header
31      include/dt-bindings/gce/<chip>-gce.h of each chips.
32    $ref: /schemas/types.yaml#/definitions/phandle-array
33    items:
34      items:
35        - description: phandle of GCE
36        - description: GCE subsys id
37        - description: register offset
38        - description: register size
39    maxItems: 1
40
41  clocks:
42    maxItems: 1
43
44required:
45  - compatible
46  - reg
47  - mediatek,gce-client-reg
48  - clocks
49
50additionalProperties: false
51
52examples:
53  - |
54    #include <dt-bindings/clock/mt8195-clk.h>
55    #include <dt-bindings/gce/mt8195-gce.h>
56
57    display@1400b000 {
58        compatible = "mediatek,mt8195-mdp3-tcc";
59        reg = <0x1400b000 0x1000>;
60        mediatek,gce-client-reg = <&gce1 SUBSYS_1400XXXX 0xb000 0x1000>;
61        clocks = <&vppsys0 CLK_VPP0_MDP_TCC>;
62    };
63