From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- .../devicetree/bindings/serial/arc-uart.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/arc-uart.txt (limited to 'Documentation/devicetree/bindings/serial/arc-uart.txt') diff --git a/Documentation/devicetree/bindings/serial/arc-uart.txt b/Documentation/devicetree/bindings/serial/arc-uart.txt new file mode 100644 index 0000000000..256cc150ca --- /dev/null +++ b/Documentation/devicetree/bindings/serial/arc-uart.txt @@ -0,0 +1,25 @@ +* Synopsys ARC UART : Non standard UART used in some of the ARC FPGA boards + +Required properties: +- compatible : "snps,arc-uart" +- reg : offset and length of the register set for the device. +- interrupts : device interrupt +- clock-frequency : the input clock frequency for the UART +- current-speed : baud rate for UART + +e.g. + +arcuart0: serial@c0fc1000 { + compatible = "snps,arc-uart"; + reg = <0xc0fc1000 0x100>; + interrupts = <5>; + clock-frequency = <80000000>; + current-speed = <115200>; +}; + +Note: Each port should have an alias correctly numbered in "aliases" node. + +e.g. +aliases { + serial0 = &arcuart0; +}; -- cgit v1.2.3