tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/serial/sifive-serial.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: SiFive asynchronous serial interface (UART)
8
9maintainers:
10 - Pragnesh Patel <pragnesh.patel@sifive.com>
11 - Paul Walmsley <paul.walmsley@sifive.com>
12 - Palmer Dabbelt <palmer@sifive.com>
13
14allOf:
15 - $ref: /schemas/serial.yaml#
16
17properties:
18 compatible:
19 items:
20 - const: sifive,fu540-c000-uart
21 - const: sifive,uart0
22
23 description:
24 Should be something similar to "sifive,<chip>-uart"
25 for the UART as integrated on a particular chip,
26 and "sifive,uart<version>" for the general UART IP
27 block programming model.
28
29 UART HDL that corresponds to the IP block version
30 numbers can be found here -
31
32 https://github.com/sifive/sifive-blocks/tree/master/src/main/scala/devices/uart
33
34 reg:
35 maxItems: 1
36
37 interrupts:
38 maxItems: 1
39
40 clocks:
41 maxItems: 1
42
43required:
44 - compatible
45 - reg
46 - interrupts
47 - clocks
48
49additionalProperties: false
50
51examples:
52 - |
53 #include <dt-bindings/clock/sifive-fu540-prci.h>
54 serial@10010000 {
55 compatible = "sifive,fu540-c000-uart", "sifive,uart0";
56 interrupt-parent = <&plic0>;
57 interrupts = <80>;
58 reg = <0x10010000 0x1000>;
59 clocks = <&prci PRCI_CLK_TLCLK>;
60 };
61
62...