1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/display/rockchip/rockchip,inno-hdmi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Rockchip Innosilicon HDMI controller
8
9 maintainers:
10 - Sandy Huang <hjc@rock-chips.com>
11 - Heiko Stuebner <heiko@sntech.de>
12
13 properties:
14 compatible:
15 enum:
16 - rockchip,rk3036-inno-hdmi
17 - rockchip,rk3128-inno-hdmi
18
19 reg:
20 maxItems: 1
21
22 interrupts:
23 maxItems: 1
24
25 clocks:
26 minItems: 1
27 items:
28 - description: The HDMI controller main clock
29 - description: The HDMI PHY reference clock
30
31 clock-names:
32 minItems: 1
33 items:
34 - const: pclk
35 - const: ref
36
37 power-domains:
38 maxItems: 1
39
40 "#sound-dai-cells":
41 const: 0
42
43 ports:
44 $ref: /schemas/graph.yaml#/properties/ports
45
46 properties:
47 port@0:
48 $ref: /schemas/graph.yaml#/properties/port
49 description:
50 Port node with one endpoint connected to a vop node.
51
52 port@1:
53 $ref: /schemas/graph.yaml#/properties/port
54 description:
55 Port node with one endpoint connected to a hdmi-connector node.
56
57 required:
58 - port@0
59 - port@1
60
61 required:
62 - compatible
63 - reg
64 - interrupts
65 - clocks
66 - clock-names
67 - pinctrl-0
68 - pinctrl-names
69 - ports
70
71 allOf:
72 - $ref: /schemas/sound/dai-common.yaml#
73 - if:
74 properties:
75 compatible:
76 contains:
77 const: rockchip,rk3036-inno-hdmi
78
79 then:
80 properties:
81 power-domains: false
82
83 - if:
84 properties:
85 compatible:
86 contains:
87 const: rockchip,rk3128-inno-hdmi
88
89 then:
90 properties:
91 clocks:
92 minItems: 2
93 clock-names:
94 minItems: 2
95 required:
96 - power-domains
97
98 additionalProperties: false
99
100 examples:
101 - |
102 #include <dt-bindings/clock/rk3036-cru.h>
103 #include <dt-bindings/interrupt-controller/arm-gic.h>
104 #include <dt-bindings/pinctrl/rockchip.h>
105 hdmi: hdmi@20034000 {
106 compatible = "rockchip,rk3036-inno-hdmi";
107 reg = <0x20034000 0x4000>;
108 interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
109 clocks = <&cru PCLK_HDMI>;
110 clock-names = "pclk";
111 pinctrl-names = "default";
112 pinctrl-0 = <&hdmi_ctl>;
113 #sound-dai-cells = <0>;
114
115 ports {
116 #address-cells = <1>;
117 #size-cells = <0>;
118
119 hdmi_in: port@0 {
120 reg = <0>;
121 hdmi_in_vop: endpoint {
122 remote-endpoint = <&vop_out_hdmi>;
123 };
124 };
125
126 hdmi_out: port@1 {
127 reg = <1>;
128 hdmi_out_con: endpoint {
129 remote-endpoint = <&hdmi_con_in>;
130 };
131 };
132 };
133 };
134
135 pinctrl {
136 hdmi {
137 hdmi_ctl: hdmi-ctl {
138 rockchip,pins = <1 RK_PB0 1 &pcfg_pull_none>,
139 <1 RK_PB1 1 &pcfg_pull_none>,
140 <1 RK_PB2 1 &pcfg_pull_none>,
141 <1 RK_PB3 1 &pcfg_pull_none>;
142 };
143 };
144 };
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