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/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 additionalProperties: false
  50
  51 examples:
  52   - |
  53     #include <dt-bindings/gpio/gpio.h>
  54
  55     uart1 {
  56         pinctrl-names = "default";
  57         pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
  58         uart-has-rtscts;
  59
  60         bluetooth {
  61             compatible = "realtek,rtl8723bs-bt";
  62             device-wake-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
  63             host-wake-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
  64         };
  65     };