Linux Audio

Check our new training course

Embedded Linux Audio

Check our new training course
with Creative Commons CC-BY-SA
lecture materials

Bootlin logo

Elixir Cross Referencer

Open Menu / Documentation / devicetree / bindings / media / allwinner,sun4i-a10-video-engine.yaml
Loading...
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
# SPDX-License-Identifier: GPL-2.0-only
%YAML 1.2
---
$id: http://devicetree.org/schemas/media/allwinner,sun4i-a10-video-engine.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Allwinner A10 Video Engine Device Tree Bindings

maintainers:
  - Chen-Yu Tsai <wens@csie.org>
  - Maxime Ripard <mripard@kernel.org>

properties:
  compatible:
    enum:
      - allwinner,sun4i-a10-video-engine
      - allwinner,sun5i-a13-video-engine
      - allwinner,sun7i-a20-video-engine
      - allwinner,sun8i-a33-video-engine
      - allwinner,sun8i-h3-video-engine
      - allwinner,sun8i-v3s-video-engine
      - allwinner,sun8i-r40-video-engine
      - allwinner,sun20i-d1-video-engine
      - allwinner,sun50i-a64-video-engine
      - allwinner,sun50i-h5-video-engine
      - allwinner,sun50i-h6-video-engine

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    items:
      - description: Bus Clock
      - description: Module Clock
      - description: RAM Clock

  clock-names:
    items:
      - const: ahb
      - const: mod
      - const: ram

  resets:
    maxItems: 1

  allwinner,sram:
    $ref: /schemas/types.yaml#/definitions/phandle-array
    items:
      - items:
          - description: phandle to SRAM
          - description: register value for device
    description: Phandle to the device SRAM

  iommus:
    maxItems: 1

  memory-region:
    maxItems: 1
    description:
      CMA pool to use for buffers allocation instead of the default
      CMA pool.

required:
  - compatible
  - reg
  - interrupts
  - clocks
  - clock-names
  - resets
  - allwinner,sram

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/clock/sun7i-a20-ccu.h>
    #include <dt-bindings/reset/sun4i-a10-ccu.h>

    video-codec@1c0e000 {
        compatible = "allwinner,sun7i-a20-video-engine";
        reg = <0x01c0e000 0x1000>;
        interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>;
        clocks = <&ccu CLK_AHB_VE>, <&ccu CLK_VE>,
                 <&ccu CLK_DRAM_VE>;
        clock-names = "ahb", "mod", "ram";
        resets = <&ccu RST_VE>;
        allwinner,sram = <&ve_sram 1>;
    };

...