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kernel_xiaomi_sm8450-device…/bindings/serial/arc-uart.txt
Venkata Narendra Kumar Gutta b0e5152a74 dt-bindings: Add devicetree bindings to devicetree project
Add devicetree bindings snapshot to the devicetree project.
This snapshot is taken as of the
'commit 5fba1b18cfc72e264e5f3ce49020ed322aa6ac9f ("Merge 5.6-rc3
into android-mainline")' of the kernel project.

Change-Id: Ia087ab2b7d4a2616ea446a69683a8b5b821d0448
2020-05-07 20:43:53 -07:00

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* 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;
};