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-rw-r--r--Documentation/devicetree/bindings/tty/serial/of-serial.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/tty/serial/of-serial.txt b/Documentation/devicetree/bindings/tty/serial/of-serial.txt
index 1e1145ca4f3..1928a3e83cd 100644
--- a/Documentation/devicetree/bindings/tty/serial/of-serial.txt
+++ b/Documentation/devicetree/bindings/tty/serial/of-serial.txt
@@ -11,6 +11,9 @@ Required properties:
- "nvidia,tegra20-uart"
- "nxp,lpc3220-uart"
- "ibm,qpace-nwp-serial"
+ - "altr,16550-FIFO32"
+ - "altr,16550-FIFO64"
+ - "altr,16550-FIFO128"
- "serial" if the port type is unknown.
- reg : offset and length of the register set for the device.
- interrupts : should contain uart interrupt.
@@ -30,6 +33,10 @@ Optional properties:
RTAS and should not be registered.
- no-loopback-test: set to indicate that the port does not implements loopback
test mode
+- fifo-size: the fifo size of the UART.
+- auto-flow-control: one way to enable automatic flow control support. The
+ driver is allowed to detect support for the capability even without this
+ property.
Example: