blob: 2129247d7c816d5b33e600af41b633aef7efa295 [file] [log] [blame]
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/serial/cdns,uart.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Cadence UART Controller
maintainers:
- Michal Simek <michal.simek@amd.com>
properties:
compatible:
oneOf:
- description: UART controller for Zynq-7xxx SoC
items:
- const: xlnx,xuartps
- const: cdns,uart-r1p8
- description: UART controller for Zynq Ultrascale+ MPSoC
items:
- const: xlnx,zynqmp-uart
- const: cdns,uart-r1p12
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 2
clock-names:
items:
- const: uart_clk
- const: pclk
cts-override:
description: |
Override the CTS modem status signal. This signal will
always be reported as active instead of being obtained
from the modem status register. Define this if your serial
port does not use this pin.
type: boolean
power-domains:
maxItems: 1
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
allOf:
- $ref: serial.yaml#
- $ref: rs485.yaml#
- if:
properties:
compatible:
contains:
const: cdns,uart-r1p8
then:
properties:
power-domains: false
unevaluatedProperties: false
examples:
- |
uart0: serial@e0000000 {
compatible = "xlnx,xuartps", "cdns,uart-r1p8";
clocks = <&clkc 23>, <&clkc 40>;
clock-names = "uart_clk", "pclk";
reg = <0xe0000000 0x1000>;
interrupts = <0 27 4>;
};