63 lines
1.4 KiB
YAML
63 lines
1.4 KiB
YAML
|
# SPDX-License-Identifier: GPL-2.0
|
||
|
|
%YAML 1.2
|
||
|
|
---
|
||
|
|
$id: http://devicetree.org/schemas/serial/sifive-serial.yaml#
|
||
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||
|
|
|
||
|
|
title: SiFive asynchronous serial interface (UART)
|
||
|
|
|
||
|
|
maintainers:
|
||
|
|
- Pragnesh Patel <pragnesh.patel@sifive.com>
|
||
|
|
- Paul Walmsley <paul.walmsley@sifive.com>
|
||
|
|
- Palmer Dabbelt <palmer@sifive.com>
|
||
|
|
|
||
|
|
allOf:
|
||
|
|
- $ref: /schemas/serial.yaml#
|
||
|
|
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
items:
|
||
|
|
- const: sifive,fu540-c000-uart
|
||
|
|
- const: sifive,uart0
|
||
|
|
|
||
|
|
description:
|
||
|
|
Should be something similar to "sifive,<chip>-uart"
|
||
|
|
for the UART as integrated on a particular chip,
|
||
|
|
and "sifive,uart<version>" for the general UART IP
|
||
|
|
block programming model.
|
||
|
|
|
||
|
|
UART HDL that corresponds to the IP block version
|
||
|
|
numbers can be found here -
|
||
|
|
|
||
|
|
https://github.com/sifive/sifive-blocks/tree/master/src/main/scala/devices/uart
|
||
|
|
|
||
|
|
reg:
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
interrupts:
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
clocks:
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
required:
|
||
|
|
- compatible
|
||
|
|
- reg
|
||
|
|
- interrupts
|
||
|
|
- clocks
|
||
|
|
|
||
|
|
additionalProperties: false
|
||
|
|
|
||
|
|
examples:
|
||
|
|
- |
|
||
|
|
#include <dt-bindings/clock/sifive-fu540-prci.h>
|
||
|
|
serial@10010000 {
|
||
|
|
compatible = "sifive,fu540-c000-uart", "sifive,uart0";
|
||
|
|
interrupt-parent = <&plic0>;
|
||
|
|
interrupts = <80>;
|
||
|
|
reg = <0x0 0x10010000 0x0 0x1000>;
|
||
|
|
clocks = <&prci PRCI_CLK_TLCLK>;
|
||
|
|
};
|
||
|
|
|
||
|
|
...
|