1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/net/bluetooth/realtek,bluetooth.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: RTL8723BS/RTL8723CS/RTL8821CS/RTL8822CS Bluetooth
8
9 maintainers:
10 - Vasily Khoruzhick <anarsoul@gmail.com>
11 - Alistair Francis <alistair@alistair23.me>
12
13 description:
14 RTL8723BS/RTL8723CS/RTL8821CS/RTL8822CS is a WiFi + BT chip. WiFi part
15 is connected over SDIO, while BT is connected over serial. It speaks
16 H5 protocol with few extra commands to upload firmware and change
17 module speed.
18
19 properties:
20 compatible:
21 oneOf:
22 - enum:
23 - realtek,rtl8723bs-bt
24 - realtek,rtl8723cs-bt
25 - realtek,rtl8723ds-bt
26 - realtek,rtl8822cs-bt
27 - items:
28 - enum:
29 - realtek,rtl8821cs-bt
30 - const: realtek,rtl8723bs-bt
31
32 device-wake-gpios:
33 maxItems: 1
34 description: GPIO specifier, used to wakeup the BT module
35
36 enable-gpios:
37 maxItems: 1
38 description: GPIO specifier, used to enable the BT module
39
40 host-wake-gpios:
41 maxItems: 1
42 description: GPIO specifier, used to wakeup the host processor
43
44 max-speed: true
45
46 required:
47 - compatible
48
49 allOf:
50 - $ref: /schemas/serial/serial-peripheral-props.yaml#
51
52 additionalProperties: false
53
54 examples:
55 - |
56 #include <dt-bindings/gpio/gpio.h>
57
58 uart1 {
59 pinctrl-names = "default";
60 pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
61 uart-has-rtscts;
62
63 bluetooth {
64 compatible = "realtek,rtl8723bs-bt";
65 device-wake-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
66 host-wake-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
67 };
68 };
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