1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/display/rockchip/rockchip,lvds.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Rockchip low-voltage differential signal (LVDS) transmitter
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,px30-lvds
17 - rockchip,rk3288-lvds
18
19 reg:
20 maxItems: 1
21
22 clocks:
23 maxItems: 1
24
25 clock-names:
26 const: pclk_lvds
27
28 avdd1v0-supply:
29 description: 1.0V analog power.
30
31 avdd1v8-supply:
32 description: 1.8V analog power.
33
34 avdd3v3-supply:
35 description: 3.3V analog power.
36
37 rockchip,grf:
38 $ref: /schemas/types.yaml#/definitions/phandle
39 description: Phandle to the general register files syscon.
40
41 rockchip,output:
42 $ref: /schemas/types.yaml#/definitions/string
43 enum: [rgb, lvds, duallvds]
44 description: This describes the output interface.
45
46 phys:
47 maxItems: 1
48
49 phy-names:
50 const: dphy
51
52 pinctrl-names:
53 const: lcdc
54
55 pinctrl-0: true
56
57 power-domains:
58 maxItems: 1
59
60 ports:
61 $ref: /schemas/graph.yaml#/properties/ports
62
63 properties:
64 port@0:
65 $ref: /schemas/graph.yaml#/properties/port
66 description:
67 Video port 0 for the VOP input.
68 The remote endpoint maybe vopb or vopl.
69
70 port@1:
71 $ref: /schemas/graph.yaml#/properties/port
72 description:
73 Video port 1 for either a panel or subsequent encoder.
74
75 required:
76 - port@0
77 - port@1
78
79 required:
80 - compatible
81 - rockchip,grf
82 - rockchip,output
83 - ports
84
85 allOf:
86 - if:
87 properties:
88 compatible:
89 contains:
90 const: rockchip,px30-lvds
91
92 then:
93 properties:
94 reg: false
95 clocks: false
96 clock-names: false
97 avdd1v0-supply: false
98 avdd1v8-supply: false
99 avdd3v3-supply: false
100
101 required:
102 - phys
103 - phy-names
104
105 - if:
106 properties:
107 compatible:
108 contains:
109 const: rockchip,rk3288-lvds
110
111 then:
112 properties:
113 phys: false
114 phy-names: false
115
116 required:
117 - reg
118 - clocks
119 - clock-names
120 - avdd1v0-supply
121 - avdd1v8-supply
122 - avdd3v3-supply
123
124 additionalProperties: false
125
126 examples:
127 - |
128 #include <dt-bindings/clock/rk3288-cru.h>
129
130 lvds: lvds@ff96c000 {
131 compatible = "rockchip,rk3288-lvds";
132 reg = <0xff96c000 0x4000>;
133 clocks = <&cru PCLK_LVDS_PHY>;
134 clock-names = "pclk_lvds";
135 avdd1v0-supply = <&vdd10_lcd>;
136 avdd1v8-supply = <&vcc18_lcd>;
137 avdd3v3-supply = <&vcca_33>;
138 pinctrl-names = "lcdc";
139 pinctrl-0 = <&lcdc_ctl>;
140 rockchip,grf = <&grf>;
141 rockchip,output = "rgb";
142
143 ports {
144 #address-cells = <1>;
145 #size-cells = <0>;
146
147 lvds_in: port@0 {
148 reg = <0>;
149 #address-cells = <1>;
150 #size-cells = <0>;
151
152 lvds_in_vopb: endpoint@0 {
153 reg = <0>;
154 remote-endpoint = <&vopb_out_lvds>;
155 };
156 lvds_in_vopl: endpoint@1 {
157 reg = <1>;
158 remote-endpoint = <&vopl_out_lvds>;
159 };
160 };
161
162 lvds_out: port@1 {
163 reg = <1>;
164
165 lvds_out_panel: endpoint {
166 remote-endpoint = <&panel_in_lvds>;
167 };
168 };
169 };
170 };
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