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