1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/display/panel/novatek,nt35950.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Novatek NT35950-based display panels
8
9 maintainers:
10 - AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
11
12 description: |
13 The nt35950 IC from Novatek is a Driver IC used to drive MIPI-DSI panels,
14 with Static RAM for content retention in command mode and also supports
15 video mode with VESA Frame Buffer Compression or Display Stream Compression
16 on single, or dual dsi port(s).
17 This DDIC is also capable of upscaling an input image to the panel's native
18 resolution, for example it can upscale a 1920x1080 input to 3840x2160 with
19 either bilinear interpolation or pixel duplication.
20
21 allOf:
22 - $ref: panel-common-dual.yaml#
23
24 properties:
25 compatible:
26 items:
27 - enum:
28 - sharp,ls055d1sx04
29 - const: novatek,nt35950
30 description: This indicates the panel manufacturer of the panel
31 that is in turn using the NT35950 panel driver. The compatible
32 string determines how the NT35950 panel driver shall be configured
33 to work with the indicated panel. The novatek,nt35950 compatible shall
34 always be provided as a fallback.
35
36 reg:
37 maxItems: 1
38
39 reset-gpios:
40 maxItems: 1
41 description: phandle of gpio for reset line - This should be 8mA, gpio
42 can be configured using mux, pinctrl, pinctrl-names (active high)
43
44 avdd-supply:
45 description: positive boost supply regulator
46 avee-supply:
47 description: negative boost supply regulator
48 dvdd-supply:
49 description: regulator that supplies the digital voltage
50 vddio-supply:
51 description: regulator that supplies the I/O voltage
52
53 backlight: true
54 ports: true
55
56 required:
57 - compatible
58 - reg
59 - reset-gpios
60 - avdd-supply
61 - avee-supply
62 - dvdd-supply
63 - vddio-supply
64 - ports
65
66 additionalProperties: false
67
68 examples:
69 - |
70 #include <dt-bindings/gpio/gpio.h>
71
72 dsi0 {
73 #address-cells = <1>;
74 #size-cells = <0>;
75
76 panel@0 {
77 compatible = "sharp,ls055d1sx04", "novatek,nt35950";
78 reg = <0>;
79
80 backlight = <&pmi8998_wled>;
81 reset-gpios = <&tlmm 94 GPIO_ACTIVE_HIGH>;
82
83 avdd-supply = <&lab>;
84 avee-supply = <&ibb>;
85 dvdd-supply = <&disp_dvdd_vreg>;
86 vddio-supply = <&vreg_l14a_1p85>;
87
88 ports {
89 #address-cells = <1>;
90 #size-cells = <0>;
91
92 port@0 {
93 reg = <0>;
94 panel_in0: endpoint {
95 remote-endpoint = <&dsi0_out>;
96 };
97 };
98
99 port@1 {
100 reg = <1>;
101 panel_in1: endpoint {
102 remote-endpoint = <&dsi1_out>;
103 };
104 };
105 };
106 };
107 };
108
109 ...
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