1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/display/tegra/nvidia,tegra20-hdmi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: NVIDIA Tegra HDMI Output Encoder
8
9 maintainers:
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
12
13 properties:
14 $nodename:
15 pattern: "^hdmi@[0-9a-f]+$"
16
17 compatible:
18 oneOf:
19 - enum:
20 - nvidia,tegra20-hdmi
21 - nvidia,tegra30-hdmi
22 - nvidia,tegra114-hdmi
23 - nvidia,tegra124-hdmi
24
25 - items:
26 - const: nvidia,tegra132-hdmi
27 - const: nvidia,tegra124-hdmi
28
29 reg:
30 maxItems: 1
31
32 interrupts:
33 maxItems: 1
34
35 clocks:
36 items:
37 - description: module clock
38 - description: parent clock
39
40 clock-names:
41 items:
42 - const: hdmi
43 - const: parent
44
45 resets:
46 items:
47 - description: module reset
48
49 reset-names:
50 items:
51 - const: hdmi
52
53 operating-points-v2: true
54
55 power-domains:
56 items:
57 - description: phandle to the core power domain
58
59 hdmi-supply:
60 description: supply for the +5V HDMI connector pin
61
62 vdd-supply:
63 description: regulator for supply voltage
64
65 pll-supply:
66 description: regulator for PLL
67
68 nvidia,ddc-i2c-bus:
69 description: phandle of an I2C controller used for DDC EDID
70 probing
71 $ref: /schemas/types.yaml#/definitions/phandle
72
73 nvidia,hpd-gpio:
74 description: specifies a GPIO used for hotplug detection
75 maxItems: 1
76
77 nvidia,edid:
78 description: supplies a binary EDID blob
79 $ref: /schemas/types.yaml#/definitions/uint8-array
80
81 nvidia,panel:
82 description: phandle of a display panel
83 $ref: /schemas/types.yaml#/definitions/phandle
84
85 "#sound-dai-cells":
86 const: 0
87
88 additionalProperties: false
89
90 required:
91 - compatible
92 - reg
93 - interrupts
94 - clocks
95 - clock-names
96 - resets
97 - reset-names
98 - pll-supply
99 - vdd-supply
100 - nvidia,ddc-i2c-bus
101 - nvidia,hpd-gpio
102
103 examples:
104 - |
105 #include <dt-bindings/clock/tegra124-car.h>
106 #include <dt-bindings/interrupt-controller/arm-gic.h>
107 #include <dt-bindings/gpio/tegra-gpio.h>
108
109 hdmi@54280000 {
110 compatible = "nvidia,tegra124-hdmi";
111 reg = <0x54280000 0x00040000>;
112 interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
113 clocks = <&tegra_car TEGRA124_CLK_HDMI>,
114 <&tegra_car TEGRA124_CLK_PLL_D2_OUT0>;
115 clock-names = "hdmi", "parent";
116 resets = <&tegra_car 51>;
117 reset-names = "hdmi";
118
119 hdmi-supply = <&vdd_5v0_hdmi>;
120 pll-supply = <&vdd_hdmi_pll>;
121 vdd-supply = <&vdd_3v3_hdmi>;
122
123 nvidia,ddc-i2c-bus = <&hdmi_ddc>;
124 nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7) GPIO_ACTIVE_HIGH>;
125 };
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