xref: /freebsd/sys/contrib/device-tree/Bindings/net/realtek-bluetooth.yaml (revision 9f44a47fd07924afc035991af15d84e6585dea4f) 
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
7title: RTL8723BS/RTL8723CS/RTL8822CS Bluetooth Device Tree Bindings
8
9maintainers:
10  - Vasily Khoruzhick <anarsoul@gmail.com>
11  - Alistair Francis <alistair@alistair23.me>
12
13description:
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
18properties:
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
39required:
40  - compatible
41
42additionalProperties: false
43
44examples:
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    };
59