From: Vasily Khoruzhick <[email protected]>
Add binding document for bluetooth part of RTL8723BS/RTL8723CS
Signed-off-by: Vasily Khoruzhick <[email protected]>
Signed-off-by: Alistair Francis <[email protected]>
---
.../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..4eb141b00fcb
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/realtek-bluetooth.yaml
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/realtek,rtl8723bs-bt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: RTL8723BS/RTL8723CS/RTL8822CS Bluetooth Device Tree Bindings
+
+maintainers:
+ - Vasily Khoruzhick <[email protected]>
+ - Alistair Francis <[email protected]>
+
+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