1 # SPDX-License-Identifier: (GPL-2.0-only OR BS
2 # # Copyright (c) 2018 Google LLC
3 # # Copyright (c) 2021 Aspeed Technology Inc.
4 %YAML 1.2
5 ---
6 $id: http://devicetree.org/schemas/soc/aspeed/
7 $schema: http://devicetree.org/meta-schemas/co
8
9 title: Aspeed UART Routing Controller
10
11 maintainers:
12 - Oskar Senft <osk@google.com>
13 - Chia-Wei Wang <chiawei_wang@aspeedtech.com>
14
15 description:
16 The Aspeed UART routing control allow to dyn
17 the built-in UARTS and physical serial I/O p
18
19 This allows, for example, to connect the out
20 This can be used to enable Host <-> BMC comm
21 allow access to the Host's serial console.
22
23 This driver is for the BMC side. The sysfs f
24 which owns the system configuration policy,
25 physical serial I/O ports are routed.
26
27 properties:
28 compatible:
29 items:
30 - enum:
31 - aspeed,ast2400-uart-routing
32 - aspeed,ast2500-uart-routing
33 - aspeed,ast2600-uart-routing
34 reg:
35 maxItems: 1
36
37 required:
38 - compatible
39
40 additionalProperties: false
41
42 examples:
43 - |
44 lpc: lpc@1e789000 {
45 compatible = "aspeed,ast2600-lpc-v2",
46 reg = <0x1e789000 0x1000>;
47
48 #address-cells = <1>;
49 #size-cells = <1>;
50 ranges = <0x0 0x1e789000 0x1000>;
51
52 uart_routing: uart-routing@98 {
53 compatible = "aspeed,ast2600-uart-
54 reg = <0x98 0x8>;
55 };
56 };
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