Documentation/devicetree/bindings/net/realtek-bluetooth.yaml

   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 required:
  38   - compatible
  39
  40 additionalProperties: false
  41
  42 examples:
  43   - |
  44     #include <dt-bindings/gpio/gpio.h>
  45
  46     uart1 {
  47         pinctrl-names = "default";
  48         pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
  49         uart-has-rtscts;
  50
  51         bluetooth {
  52             compatible = "realtek,rtl8723bs-bt";
  53             device-wake-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
  54             host-wake-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
  55         };
  56     };