xref: /linux/Documentation/devicetree/bindings/display/panel/novatek,nt35950.yaml (revision 48ee4835b73c48590d05a54730dc8037ebd39d3b) 
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
7title: Novatek NT35950-based display panels
8
9maintainers:
10  - AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
11
12description: |
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
21allOf:
22  - $ref: panel-common.yaml#
23
24properties:
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  reset-gpios:
37    maxItems: 1
38    description: phandle of gpio for reset line - This should be 8mA, gpio
39      can be configured using mux, pinctrl, pinctrl-names (active high)
40
41  avdd-supply:
42    description: positive boost supply regulator
43  avee-supply:
44    description: negative boost supply regulator
45  dvdd-supply:
46    description: regulator that supplies the digital voltage
47  vddio-supply:
48    description: regulator that supplies the I/O voltage
49
50  backlight: true
51  ports: true
52  reg: true
53
54required:
55  - compatible
56  - reg
57  - reset-gpios
58  - avdd-supply
59  - avee-supply
60  - dvdd-supply
61  - vddio-supply
62
63additionalProperties: false
64
65examples:
66  - |
67    #include <dt-bindings/gpio/gpio.h>
68
69    dsi0 {
70        #address-cells = <1>;
71        #size-cells = <0>;
72
73        panel@0 {
74            compatible = "sharp,ls055d1sx04", "novatek,nt35950";
75            reg = <0>;
76
77            backlight = <&pmi8998_wled>;
78            reset-gpios = <&tlmm 94 GPIO_ACTIVE_HIGH>;
79
80            avdd-supply = <&lab>;
81            avee-supply = <&ibb>;
82            dvdd-supply = <&disp_dvdd_vreg>;
83            vddio-supply = <&vreg_l14a_1p85>;
84
85            ports {
86                #address-cells = <1>;
87                #size-cells = <0>;
88
89                port@0 {
90                    reg = <0>;
91                    panel_in0: endpoint {
92                        remote-endpoint = <&dsi0_out>;
93                    };
94                };
95
96                port@1 {
97                    reg = <1>;
98                    panel_in1: endpoint {
99                        remote-endpoint = <&dsi1_out>;
100                    };
101                };
102            };
103        };
104    };
105
106...
107