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
18 reg:
19 items:
20 - description: HDMI controller register range
21 - description: DVP register range
22 - description: HDMI PHY register range
23 - description: Rate Manager register range
24 - description: Packet RAM register range
25 - description: Metadata RAM register range
26 - description: CSC register range
27 - description: CEC register range
28 - description: HD register range
29
30 reg-names:
31 items:
32 - const: hdmi
33 - const: dvp
34 - const: phy
35 - const: rm
36 - const: packet
37 - const: metadata
38 - const: csc
39 - const: cec
40 - const: hd
41
42 clocks:
43 items:
44 - description: The HDMI state machine clock
45 - description: The Pixel BVB clock
46 - description: The HDMI Audio parent clock
47 - description: The HDMI CEC parent clock
48
49 clock-names:
50 items:
51 - const: hdmi
52 - const: bvb
53 - const: audio
54 - const: cec
55
56 interrupts:
57 items:
58 - description: CEC TX interrupt
59 - description: CEC RX interrupt
60 - description: CEC stuck at low interrupt
61 - description: Wake-up interrupt
62 - description: Hotplug connected interrupt
63 - description: Hotplug removed interrupt
64
65 interrupt-names:
66 items:
67 - const: cec-tx
68 - const: cec-rx
69 - const: cec-low
70 - const: wakeup
71 - const: hpd-connected
72 - const: hpd-removed
73
74 ddc:
75 $ref: /schemas/types.yaml#/definitions/phandle
76 description: >
77 Phandle of the I2C controller used for DDC EDID probing
78
79 hpd-gpios:
80 maxItems: 1
81 description: >
82 The GPIO pin for the HDMI hotplug detect (if it doesn't appear
83 as an interrupt/status bit in the HDMI controller itself)
84
85 dmas:
86 maxItems: 1
87 description: >
88 Should contain one entry pointing to the DMA channel used to
89 transfer audio data.
90
91 dma-names:
92 const: audio-rx
93
94 resets:
95 maxItems: 1
96
97 wifi-2.4ghz-coexistence:
98 type: boolean
99 description: >
100 Should the pixel frequencies in the WiFi frequencies range be
101 avoided?
102
103 required:
104 - compatible
105 - reg
106 - reg-names
107 - clocks
108 - resets
109 - ddc
110
111 additionalProperties: false
112
113 examples:
114 - |
115 hdmi0: hdmi@7ef00700 {
116 compatible = "brcm,bcm2711-hdmi0";
117 reg = <0x7ef00700 0x300>,
118 <0x7ef00300 0x200>,
119 <0x7ef00f00 0x80>,
120 <0x7ef00f80 0x80>,
121 <0x7ef01b00 0x200>,
122 <0x7ef01f00 0x400>,
123 <0x7ef00200 0x80>,
124 <0x7ef04300 0x100>,
125 <0x7ef20000 0x100>;
126 reg-names = "hdmi",
127 "dvp",
128 "phy",
129 "rm",
130 "packet",
131 "metadata",
132 "csc",
133 "cec",
134 "hd";
135 clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 1>, <&clk_27MHz>;
136 clock-names = "hdmi", "bvb", "audio", "cec";
137 resets = <&dvp 0>;
138 ddc = <&ddc0>;
139 };
140
141 ...
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.