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-only OR BSD-2-Clause)
2# Copyright 2019 Unisoc Inc.
3%YAML 1.2
4---
5$id: http://devicetree.org/schemas/serial/sprd-uart.yaml#
6$schema: http://devicetree.org/meta-schemas/core.yaml#
7
8title: Spreadtrum serial UART
9
10maintainers:
11 - Orson Zhai <orsonzhai@gmail.com>
12 - Baolin Wang <baolin.wang7@gmail.com>
13 - Chunyan Zhang <zhang.lyra@gmail.com>
14
15properties:
16 compatible:
17 oneOf:
18 - items:
19 - enum:
20 - sprd,ums9632-uart
21 - const: sprd,sc9632-uart
22 - items:
23 - enum:
24 - sprd,sc9860-uart
25 - sprd,sc9863a-uart
26 - sprd,ums512-uart
27 - sprd,ums9620-uart
28 - const: sprd,sc9836-uart
29 - enum:
30 - sprd,sc9632-uart
31 - sprd,sc9836-uart
32
33 reg:
34 maxItems: 1
35
36 interrupts:
37 maxItems: 1
38
39 clocks:
40 minItems: 1
41 maxItems: 3
42
43 clock-names:
44 description: |
45 "enable" for UART module enable clock, "uart" for UART clock, "source"
46 for UART source (parent) clock.
47 items:
48 - const: enable
49 - const: uart
50 - const: source
51
52 dmas:
53 minItems: 1
54 maxItems: 2
55
56 dma-names:
57 minItems: 1
58 items:
59 - const: rx
60 - const: tx
61
62required:
63 - compatible
64 - reg
65 - interrupts
66
67additionalProperties: false
68
69examples:
70 - |
71 #include <dt-bindings/interrupt-controller/arm-gic.h>
72 serial@0 {
73 compatible = "sprd,sc9860-uart", "sprd,sc9836-uart";
74 reg = <0x0 0x100>;
75 interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
76 dma-names = "rx", "tx";
77 dmas = <&ap_dma 19>, <&ap_dma 20>;
78 clock-names = "enable", "uart", "source";
79 clocks = <&clk_ap_apb_gates 9>, <&clk_uart0>, <&ext_26m>;
80 };
81
82...