1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/auxdisplay/modtronix,lcd2s.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Modtronix engineering LCD2S Character LCD Display
8
9 maintainers:
10 - Lars Poeschel <poeschel@lemonage.de>
11
12 description:
13 The LCD2S is a Character LCD Display manufactured by Modtronix Engineering.
14 The display supports a serial I2C and SPI interface. The driver currently
15 only supports the I2C interface.
16
17 properties:
18 compatible:
19 const: modtronix,lcd2s
20
21 reg:
22 maxItems: 1
23 description:
24 I2C bus address of the display.
25
26 display-height-chars:
27 description: Height of the display, in character cells.
28 $ref: /schemas/types.yaml#/definitions/uint32
29 minimum: 1
30 maximum: 4
31
32 display-width-chars:
33 description: Width of the display, in character cells.
34 $ref: /schemas/types.yaml#/definitions/uint32
35 minimum: 16
36 maximum: 20
37
38 required:
39 - compatible
40 - reg
41 - display-height-chars
42 - display-width-chars
43
44 additionalProperties: false
45
46 examples:
47 - |
48 i2c {
49 #address-cells = <1>;
50 #size-cells = <0>;
51
52 lcd2s: auxdisplay@28 {
53 compatible = "modtronix,lcd2s";
54 reg = <0x28>;
55 display-height-chars = <4>;
56 display-width-chars = <20>;
57 };
58 };
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