xref: /linux/Documentation/devicetree/bindings/media/mediatek,mdp3-wrot.yaml (revision 60a2f25de7b8b785baee2932db932ae9a5b8c86d) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/media/mediatek,mdp3-wrot.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: MediaTek Write DMA with Rotation
8
9maintainers:
10  - Matthias Brugger <matthias.bgg@gmail.com>
11  - Moudy Ho <moudy.ho@mediatek.com>
12
13description: |
14  One of Media Data Path 3 (MDP3) components used to write DMA with frame rotation.
15
16properties:
17  compatible:
18    oneOf:
19      - enum:
20          - mediatek,mt8183-mdp3-wrot
21      - items:
22          - enum:
23              - mediatek,mt8195-mdp3-wrot
24          - const: mediatek,mt8183-mdp3-wrot
25
26  reg:
27    maxItems: 1
28
29  mediatek,gce-client-reg:
30    $ref: /schemas/types.yaml#/definitions/phandle-array
31    items:
32      items:
33        - description: phandle of GCE
34        - description: GCE subsys id
35        - description: register offset
36        - description: register size
37    description: The register of client driver can be configured by gce with
38      4 arguments defined in this property. Each GCE subsys id is mapping to
39      a client defined in the header include/dt-bindings/gce/<chip>-gce.h.
40
41  mediatek,gce-events:
42    description:
43      The event id which is mapping to the specific hardware event signal
44      to gce. The event id is defined in the gce header
45      include/dt-bindings/gce/<chip>-gce.h of each chips.
46    $ref: /schemas/types.yaml#/definitions/uint32-array
47
48  power-domains:
49    maxItems: 1
50
51  clocks:
52    minItems: 1
53
54  iommus:
55    maxItems: 1
56
57  '#dma-cells':
58    const: 1
59
60required:
61  - compatible
62  - reg
63  - mediatek,gce-client-reg
64  - mediatek,gce-events
65  - power-domains
66  - clocks
67  - iommus
68  - '#dma-cells'
69
70additionalProperties: false
71
72examples:
73  - |
74    #include <dt-bindings/clock/mt8183-clk.h>
75    #include <dt-bindings/gce/mt8183-gce.h>
76    #include <dt-bindings/power/mt8183-power.h>
77    #include <dt-bindings/memory/mt8183-larb-port.h>
78
79    dma-controller@14005000 {
80        compatible = "mediatek,mt8183-mdp3-wrot";
81        reg = <0x14005000 0x1000>;
82        mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x5000 0x1000>;
83        mediatek,gce-events = <CMDQ_EVENT_MDP_WROT0_SOF>,
84                              <CMDQ_EVENT_MDP_WROT0_EOF>;
85        power-domains = <&spm MT8183_POWER_DOMAIN_DISP>;
86        clocks = <&mmsys CLK_MM_MDP_WROT0>;
87        iommus = <&iommu>;
88        #dma-cells = <1>;
89    };
90