Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml
53158 views
1
# SPDX-License-Identifier: GPL-2.0

2
%YAML 1.2

3
---

4
$id: http://devicetree.org/schemas/display/brcm,bcm2711-hdmi.yaml#

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

6


7
title: Broadcom BCM2711 HDMI Controller

8


9
maintainers:

10
  - Eric Anholt <eric@anholt.net>

11


12
properties:

13
  compatible:

14
    enum:

15
      - brcm,bcm2711-hdmi0

16
      - brcm,bcm2711-hdmi1

17
      - brcm,bcm2712-hdmi0

18
      - brcm,bcm2712-hdmi1

19


20
  reg:

21
    items:

22
      - description: HDMI controller register range

23
      - description: DVP register range

24
      - description: HDMI PHY register range

25
      - description: Rate Manager register range

26
      - description: Packet RAM register range

27
      - description: Metadata RAM register range

28
      - description: CSC register range

29
      - description: CEC register range

30
      - description: HD register range

31


32
  reg-names:

33
    items:

34
      - const: hdmi

35
      - const: dvp

36
      - const: phy

37
      - const: rm

38
      - const: packet

39
      - const: metadata

40
      - const: csc

41
      - const: cec

42
      - const: hd

43


44
  clocks:

45
    items:

46
      - description: The HDMI state machine clock

47
      - description: The Pixel BVB clock

48
      - description: The HDMI Audio parent clock

49
      - description: The HDMI CEC parent clock

50


51
  clock-names:

52
    items:

53
      - const: hdmi

54
      - const: bvb

55
      - const: audio

56
      - const: cec

57


58
  interrupts:

59
    minItems: 5

60
    maxItems: 6

61


62
  interrupt-names:

63
    minItems: 5

64
    maxItems: 6

65


66
  ddc:

67
    $ref: /schemas/types.yaml#/definitions/phandle

68
    description: >

69
      Phandle of the I2C controller used for DDC EDID probing

70


71
  hpd-gpios:

72
    maxItems: 1

73
    description: >

74
      The GPIO pin for the HDMI hotplug detect (if it doesn't appear

75
      as an interrupt/status bit in the HDMI controller itself)

76


77
  dmas:

78
    maxItems: 1

79
    description: >

80
      Should contain one entry pointing to the DMA channel used to

81
      transfer audio data.

82


83
  dma-names:

84
    const: audio-rx

85


86
  resets:

87
    maxItems: 1

88


89
  wifi-2.4ghz-coexistence:

90
    type: boolean

91
    description: >

92
      Should the pixel frequencies in the WiFi frequencies range be

93
      avoided?

94


95
required:

96
  - compatible

97
  - reg

98
  - reg-names

99
  - clocks

100
  - resets

101
  - ddc

102


103
additionalProperties: false

104


105
allOf:

106
  - if:

107
      properties:

108
        compatible:

109
          contains:

110
            enum:

111
              - brcm,bcm2711-hdmi0

112
              - brcm,bcm2711-hdmi1

113
    then:

114
      properties:

115
        interrupts:

116
          items:

117
            - description: CEC TX interrupt

118
            - description: CEC RX interrupt

119
            - description: CEC stuck at low interrupt

120
            - description: Wake-up interrupt

121
            - description: Hotplug connected interrupt

122
            - description: Hotplug removed interrupt

123
        interrupt-names:

124
          items:

125
            - const: cec-tx

126
            - const: cec-rx

127
            - const: cec-low

128
            - const: wakeup

129
            - const: hpd-connected

130
            - const: hpd-removed

131


132
  - if:

133
      properties:

134
        compatible:

135
          contains:

136
            enum:

137
              - brcm,bcm2712-hdmi0

138
              - brcm,bcm2712-hdmi1

139
    then:

140
      properties:

141
        interrupts:

142
          items:

143
            - description: CEC TX interrupt

144
            - description: CEC RX interrupt

145
            - description: CEC stuck at low interrupt

146
            - description: Hotplug connected interrupt

147
            - description: Hotplug removed interrupt

148
        interrupts-names:

149
          items:

150
            - const: cec-tx

151
            - const: cec-rx

152
            - const: cec-low

153
            - const: hpd-connected

154
            - const: hpd-removed

155


156
      required:

157
        - interrupts

158
        - interrupt-names

159


160
examples:

161
  - |

162
    hdmi0: hdmi@7ef00700 {

163
        compatible = "brcm,bcm2711-hdmi0";

164
        reg = <0x7ef00700 0x300>,

165
              <0x7ef00300 0x200>,

166
              <0x7ef00f00 0x80>,

167
              <0x7ef00f80 0x80>,

168
              <0x7ef01b00 0x200>,

169
              <0x7ef01f00 0x400>,

170
              <0x7ef00200 0x80>,

171
              <0x7ef04300 0x100>,

172
              <0x7ef20000 0x100>;

173
        reg-names = "hdmi",

174
                    "dvp",

175
                    "phy",

176
                    "rm",

177
                    "packet",

178
                    "metadata",

179
                    "csc",

180
                    "cec",

181
                    "hd";

182
        clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 1>, <&clk_27MHz>;

183
        clock-names = "hdmi", "bvb", "audio", "cec";

184
        interrupts = <0>, <1>, <2>, <3>, <4>, <5>;

185
        interrupt-names = "cec-tx", "cec-rx", "cec-low", "wakeup",

186
                          "hpd-connected", "hpd-removed";

187
        resets = <&dvp 0>;

188
        ddc = <&ddc0>;

189
    };

190


191
...

192


193