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# 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#
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title : RTL8723BS/RTL8723CS/RTL8821CS/RTL8822CS Bluetooth
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maintainers :
- Vasily Khoruzhick <anarsoul@gmail.com>
- Alistair Francis <alistair@alistair23.me>
description :
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RTL8723BS/RTL8723CS/RTL8821CS/RTL8822CS is a WiFi + BT chip. WiFi part
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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.
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properties :
compatible :
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oneOf :
- enum :
- realtek,rtl8723bs-bt
- realtek,rtl8723cs-bt
- realtek,rtl8723ds-bt
- realtek,rtl8822cs-bt
- items :
- enum :
- realtek,rtl8821cs-bt
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- const : realtek,rtl8723bs-bt
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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
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max-speed : true
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required :
- compatible
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additionalProperties : false
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examples :
- |
#include <dt-bindings/gpio/gpio.h>
uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
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uart-has-rtscts;
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bluetooth {
compatible = "realtek,rtl8723bs-bt";
device-wake-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
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host-wake-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
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};
};