Serial Slave Device DT binding This documents the binding structure and common properties for serial attached devices. Common examples include Bluetooth, WiFi, NFC and GPS devices. Serial attached devices shall be a child node of the host UART device the slave device is attached to. It is expected that the attached device is the only child node of the UART device. The slave device node name shall reflect the generic type of device for the node. Required Properties: - compatible : A string reflecting the vendor and specific device the node represents. Optional Properties: - max-speed : The maximum baud rate the device operates at. This should only be present if the maximum is less than the slave device can support. For example, a particular board has some signal quality issue or the host processor can't support higher baud rates. - current-speed : The current baud rate the device operates at. This should only be present in case a driver has no chance to know the baud rate of the slave device. Examples: * device supports auto-baud * the rate is setup by a bootloader and there is no way to reset the device * device baud rate is configured by its firmware but there is no way to request the actual settings Example: serial@1234 { compatible = "ns16550a"; interrupts = <1>; bluetooth { compatible = "brcm,bcm43341-bt"; interrupt-parent = <&gpio>; interrupts = <10>; }; };