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%YAML 1.2
3---
4$id: http://devicetree.org/schemas/serial/8250_omap.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: 8250 compliant UARTs on TI's OMAP2+ and K3 SoCs
8
9maintainers:
10 - Vignesh Raghavendra <vigneshr@ti.com>
11
12allOf:
13 - $ref: /schemas/serial/serial.yaml#
14 - $ref: /schemas/serial/rs485.yaml#
15
16properties:
17 compatible:
18 oneOf:
19 - enum:
20 - ti,am3352-uart
21 - ti,am4372-uart
22 - ti,am654-uart
23 - ti,dra742-uart
24 - ti,omap2-uart
25 - ti,omap3-uart
26 - ti,omap4-uart
27 - items:
28 - enum:
29 - ti,am64-uart
30 - ti,j721e-uart
31 - const: ti,am654-uart
32
33 ti,hwmods:
34 description:
35 Must be "uart<n>", n being the instance number (1-based)
36 This property is applicable only on legacy platforms mainly omap2/3
37 and ti81xx and should not be used on other platforms.
38 $ref: /schemas/types.yaml#/definitions/string
39 deprecated: true
40
41 dmas:
42 minItems: 1
43 maxItems: 2
44
45 dma-names:
46 items:
47 - const: tx
48 - const: rx
49
50 reg:
51 maxItems: 1
52
53 interrupts:
54 minItems: 1
55 maxItems: 2
56 description:
57 First entry is module IRQ required for normal IO operation.
58 Second entry is optional and corresponds to system wakeup IRQ
59 where supported.
60
61 clocks:
62 maxItems: 1
63
64 clock-names:
65 const: fclk
66
67 rs485-rts-active-high: true
68 power-domains: true
69 clock-frequency: true
70 current-speed: true
71 overrun-throttle-ms: true
72 wakeup-source: true
73
74required:
75 - compatible
76 - reg
77 - interrupts
78
79unevaluatedProperties: false
80
81if:
82 properties:
83 compatible:
84 contains:
85 enum:
86 - ti,omap2-uart
87 - ti,omap3-uart
88 - ti,omap4-uart
89
90then:
91 properties:
92 ti,hwmods:
93 items:
94 - pattern: "^uart([1-9])$"
95
96else:
97 properties:
98 ti,hwmods: false
99
100examples:
101 - |
102 serial@49042000 {
103 compatible = "ti,omap3-uart";
104 reg = <0x49042000 0x400>;
105 interrupts = <80>;
106 dmas = <&sdma 81 &sdma 82>;
107 dma-names = "tx", "rx";
108 ti,hwmods = "uart4";
109 clock-frequency = <48000000>;
110 };