This adds the desrciption file that describes the hooks for the realtek bluetooth serial devices, as needed to refer to the interface in the device tree. Signed-off-by: David Summers <beagleboard@xxxxxxxxxxxxxxxxxxx> --- .../bindings/net/realtek-bluetooth-serial.txt | 28 +++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/realtek-bluetooth-serial.txt diff --git a/Documentation/devicetree/bindings/net/realtek-bluetooth-serial.txt b/Documentation/devicetree/bindings/net/realtek-bluetooth-serial.txt new file mode 100644 index 000000000000..0aabca1fc002 --- /dev/null +++ b/Documentation/devicetree/bindings/net/realtek-bluetooth-serial.txt @@ -0,0 +1,28 @@ +Realtek bluetooth devices connected via a UART + +- compatible: should be "realtek,<name>-bluetooth" + except for "realtek,trl8761atv" - which only has a serial bluetooth connection + "realtek,rtl8723as-bluetooth" + "realtek,rtl8723bs-bluetooth" + "realtek,rtl8723ds-bluetooth" + "realtek,rtl8761atv" + "realtek,rtl8821as-bluetooth" + "realtek,rtl8821cs-bluetooth" + "realtek,rtl8822bs-bluetooth" +- These device are bluetooth devices, that connect via a uart +- all devices (except for rtl8761atv) are also wifi devices, this is connected + seperatly via sdio - and is not covered by this compatible node +- ideally these will be referenced in a device tree serial node via serdev + http://events17.linuxfoundation.org/sites/events/files/slides/serdev-elce-2017-2.pdf + +Example: + +&uart0 { + status = "okay"; + pinctrl-0 = <&uart0_xfer>, <&uart0_cts>; + bluetooth { + compatible = "realtek,rtl8723bs-bluetooth"; + }; +}; + +this ensures that the bluetooth device is tied to the correct uart -- beagleboard@xxxxxxxxxxxxxxxxxxx
