From: Vasily Khoruzhick <anarsoul@xxxxxxxxx> Add binding document for bluetooth part of RTL8723BS/RTL8723CS Signed-off-by: Vasily Khoruzhick <anarsoul@xxxxxxxxx> Signed-off-by: Alistair Francis <alistair@xxxxxxxxxxxxx> --- .../bindings/net/realtek-bluetooth.yaml | 54 +++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/realtek-bluetooth.yaml diff --git a/Documentation/devicetree/bindings/net/realtek-bluetooth.yaml b/Documentation/devicetree/bindings/net/realtek-bluetooth.yaml new file mode 100644 index 000000000000..f15a5e5e4859 --- /dev/null +++ b/Documentation/devicetree/bindings/net/realtek-bluetooth.yaml @@ -0,0 +1,54 @@ +# 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/RTL8822CS Bluetooth Device Tree Bindings + +maintainers: + - Vasily Khoruzhick <anarsoul@xxxxxxxxx> + - Alistair Francis <alistair@xxxxxxxxxxxxx> + +description: + RTL8723CS/RTL8723CS/RTL8822CS is 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: + - const: "realtek,rtl8723bs-bt" + - const: "realtek,rtl8723cs-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 + +required: + - compatible + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>; + uart-has-rtscts = <1>; + + bluetooth { + compatible = "realtek,rtl8723bs-bt"; + device-wake-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */ + host-wakeup-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */ + }; + }; -- 2.26.0
