1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/auxdisplay/img,ascii-lcd.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: ASCII LCD displays on Imagination Technologies boards
8
9 maintainers:
10 - Paul Burton <paulburton@kernel.org>
11
12 properties:
13 compatible:
14 enum:
15 - img,boston-lcd
16 - mti,malta-lcd
17 - mti,sead3-lcd
18
19 reg:
20 maxItems: 1
21
22 offset:
23 $ref: /schemas/types.yaml#/definitions/uint32
24 description:
25 Offset in bytes to the LCD registers within the system controller
26
27 required:
28 - compatible
29
30 oneOf:
31 - required:
32 - reg
33 - required:
34 - offset
35
36 if:
37 properties:
38 compatible:
39 contains:
40 const: img,boston-lcd
41 then:
42 required:
43 - reg
44 else:
45 required:
46 - offset
47
48 additionalProperties: false
49
50 examples:
51 - |
52 lcd: lcd@17fff000 {
53 compatible = "img,boston-lcd";
54 reg = <0x17fff000 0x8>;
55 };
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