xref: /openbmc/linux/Documentation/devicetree/bindings/net/realtek-bluetooth.yaml (revision 95ee3a93)

# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/realtek-bluetooth.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: RTL8723BS/RTL8723CS/RTL8821CS/RTL8822CS Bluetooth

maintainers:
  - Vasily Khoruzhick <anarsoul@gmail.com>
  - Alistair Francis <alistair@alistair23.me>

description:
  RTL8723CS/RTL8723CS/RTL8821CS/RTL8822CS is a WiFi + BT chip. WiFi part
  is connected over SDIO, while BT is connected over serial. It speaks
  H5 protocol with few extra commands to upload firmware and change
  module speed.

properties:
  compatible:
    oneOf:
      - enum:
          - realtek,rtl8723bs-bt
          - realtek,rtl8723cs-bt
          - realtek,rtl8723ds-bt
          - realtek,rtl8822cs-bt
      - items:
          - enum:
              - realtek,rtl8821cs-bt
          - const: realtek,rtl8822cs-bt

  device-wake-gpios:
    maxItems: 1
    description: GPIO specifier, used to wakeup the BT module

  enable-gpios:
    maxItems: 1
    description: GPIO specifier, used to enable the BT module

  host-wake-gpios:
    maxItems: 1
    description: GPIO specifier, used to wakeup the host processor

  max-speed: true

required:
  - compatible

additionalProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>

    uart1 {
        pinctrl-names = "default";
        pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
        uart-has-rtscts;

        bluetooth {
            compatible = "realtek,rtl8723bs-bt";
            device-wake-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
            host-wake-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
        };
    };