Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-display-frontend.yaml
26308 views
1
# SPDX-License-Identifier: GPL-2.0

2
%YAML 1.2

3
---

4
$id: http://devicetree.org/schemas/display/allwinner,sun4i-a10-display-frontend.yaml#

5
$schema: http://devicetree.org/meta-schemas/core.yaml#

6


7
title: Allwinner A10 Display Engine Frontend

8


9
maintainers:

10
  - Chen-Yu Tsai <wens@csie.org>

11
  - Maxime Ripard <mripard@kernel.org>

12


13
description: |

14
  The display engine frontend does formats conversion, scaling,

15
  deinterlacing and color space conversion.

16


17
properties:

18
  compatible:

19
    enum:

20
      - allwinner,sun4i-a10-display-frontend

21
      - allwinner,sun5i-a13-display-frontend

22
      - allwinner,sun6i-a31-display-frontend

23
      - allwinner,sun7i-a20-display-frontend

24
      - allwinner,sun8i-a23-display-frontend

25
      - allwinner,sun8i-a33-display-frontend

26
      - allwinner,sun9i-a80-display-frontend

27


28
  reg:

29
    maxItems: 1

30


31
  interrupts:

32
    maxItems: 1

33


34
  clocks:

35
    items:

36
      - description: The frontend interface clock

37
      - description: The frontend module clock

38
      - description: The frontend DRAM clock

39


40
  clock-names:

41
    items:

42
      - const: ahb

43
      - const: mod

44
      - const: ram

45


46
  # FIXME: This should be made required eventually once every SoC will

47
  # have the MBUS declared.

48
  interconnects:

49
    maxItems: 1

50


51
  # FIXME: This should be made required eventually once every SoC will

52
  # have the MBUS declared.

53
  interconnect-names:

54
    const: dma-mem

55


56
  resets:

57
    maxItems: 1

58


59
  ports:

60
    $ref: /schemas/graph.yaml#/properties/ports

61


62
    properties:

63
      port@0:

64
        $ref: /schemas/graph.yaml#/properties/port

65
        description: |

66
          Input endpoints of the controller.

67


68
      port@1:

69
        $ref: /schemas/graph.yaml#/properties/port

70
        description: |

71
          Output endpoints of the controller.

72


73
    required:

74
      - port@1

75


76
required:

77
  - compatible

78
  - reg

79
  - interrupts

80
  - clocks

81
  - clock-names

82
  - resets

83
  - ports

84


85
additionalProperties: false

86


87
examples:

88
  - |

89
    #include <dt-bindings/clock/sun4i-a10-ccu.h>

90
    #include <dt-bindings/reset/sun4i-a10-ccu.h>

91


92
    fe0: display-frontend@1e00000 {

93
        compatible = "allwinner,sun4i-a10-display-frontend";

94
        reg = <0x01e00000 0x20000>;

95
        interrupts = <47>;

96
        clocks = <&ccu CLK_AHB_DE_FE0>, <&ccu CLK_DE_FE0>,

97
                 <&ccu CLK_DRAM_DE_FE0>;

98
        clock-names = "ahb", "mod",

99
                      "ram";

100
        resets = <&ccu RST_DE_FE0>;

101


102
        ports {

103
            #address-cells = <1>;

104
            #size-cells = <0>;

105


106
            fe0_out: port@1 {

107
                #address-cells = <1>;

108
                #size-cells = <0>;

109
                reg = <1>;

110


111
                fe0_out_be0: endpoint@0 {

112
                    reg = <0>;

113
                    remote-endpoint = <&be0_in_fe0>;

114
                };

115


116
                fe0_out_be1: endpoint@1 {

117
                    reg = <1>;

118
                    remote-endpoint = <&be1_in_fe0>;

119
                };

120
            };

121
        };

122
    };

123


124


125
...

126


127