From d063238f64a1f0a4e8baf11e55d9cc1989816ee6 Mon Sep 17 00:00:00 2001 From: Vasily Khoruzhick Date: Wed, 31 Oct 2018 20:05:14 -0700 Subject: [PATCH 141/146] dt-bindings: net: bluetooth: Add rtl8723bs-bluetooth Add binding document for bluetooth part of RTL8723BS/RTL8723CS Signed-off-by: Vasily Khoruzhick --- .../bindings/net/rtl8723bs-bluetooth.txt | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/rtl8723bs-bluetooth.txt diff --git a/Documentation/devicetree/bindings/net/rtl8723bs-bluetooth.txt b/Documentation/devicetree/bindings/net/rtl8723bs-bluetooth.txt new file mode 100644 index 000000000000..8357f242ae4c --- /dev/null +++ b/Documentation/devicetree/bindings/net/rtl8723bs-bluetooth.txt @@ -0,0 +1,35 @@ +RTL8723BS/RTL8723CS Bluetooth +--------------------- + +RTL8723CS/RTL8723CS 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. + +Required properties: + + - compatible: should be one of the following: + * "realtek,rtl8723bs-bt" + * "realtek,rtl8723cs-bt" +Optional properties: + + - device-wake-gpios: GPIO specifier, used to wakeup the BT module (active high) + - enable-gpios: GPIO specifier, used to enable the BT module (active high) + - host-wake-gpios: GPIO specifier, used to wakeup the host processor (active high) + - firmware-postfix: firmware postfix to be used for firmware config + - reset-gpios: GPIO specifier, used to reset the BT module (active high) + +Example: + +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>; + status = "okay"; + + bluetooth { + compatible = "realtek,rtl8723bs-bt"; + reset-gpios = <&r_pio 0 4 GPIO_ACTIVE_LOW>; /* PL4 */ + device-wake-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */ + host-wakeup-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */ + firmware-postfix="pine64"; + }; +}; -- 2.17.1