1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/gpio/nxp,lpc3220-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: NXP LPC3220 SoC GPIO controller
8
9 maintainers:
10 - Animesh Agarwal <animeshagarwal28@gmail.com>
11
12 properties:
13 compatible:
14 const: nxp,lpc3220-gpio
15
16 reg:
17 maxItems: 1
18
19 gpio-controller: true
20
21 '#gpio-cells':
22 const: 3
23 description: |
24 1) bank:
25 0: GPIO P0
26 1: GPIO P1
27 2: GPIO P2
28 3: GPIO P3
29 4: GPI P3
30 5: GPO P3
31 2) pin number
32 3) flags:
33 - bit 0 specifies polarity (0 for normal, 1 for inverted)
34
35 required:
36 - compatible
37 - reg
38 - gpio-controller
39 - '#gpio-cells'
40
41 additionalProperties: false
42
43 examples:
44 - |
45 gpio@40028000 {
46 compatible = "nxp,lpc3220-gpio";
47 reg = <0x40028000 0x1000>;
48 gpio-controller;
49 #gpio-cells = <3>; /* bank, pin, flags */
50 };
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