1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 # Copyright (C) 2024 Amlogic, Inc. All rights reserved
3 %YAML 1.2
4 ---
5 $id: http://devicetree.org/schemas/net/bluetooth/amlogic,w155s2-bt.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
7
8 title: Amlogic Bluetooth chips
9
10 description:
11 The W155S2 is an Amlogic Bluetooth and Wi-Fi combo chip. It works on
12 the standard H4 protocol via a 4-wire UART interface, with baud rates
13 up to 4 Mbps.
14
15 maintainers:
16 - Yang Li <yang.li@amlogic.com>
17
18 properties:
19 compatible:
20 oneOf:
21 - items:
22 - enum:
23 - amlogic,w265s1-bt
24 - amlogic,w265p1-bt
25 - const: amlogic,w155s2-bt
26 - enum:
27 - amlogic,w155s2-bt
28 - amlogic,w265s2-bt
29
30 clocks:
31 maxItems: 1
32 description: clock provided to the controller (32.768KHz)
33
34 enable-gpios:
35 maxItems: 1
36
37 vddio-supply:
38 description: VDD_IO supply regulator handle
39
40 firmware-name:
41 maxItems: 1
42 description: specify the path of firmware bin to load
43
44 required:
45 - compatible
46 - clocks
47 - enable-gpios
48 - vddio-supply
49 - firmware-name
50
51 additionalProperties: false
52
53 examples:
54 - |
55 #include <dt-bindings/gpio/gpio.h>
56 bluetooth {
57 compatible = "amlogic,w155s2-bt";
58 clocks = <&extclk>;
59 enable-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>;
60 vddio-supply = <&wcn_3v3>;
61 firmware-name = "amlogic/aml_w155s2_bt_uart.bin";
62 };
63
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