1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/serial/ingenic,uart.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Ingenic SoCs UART controller devicetree bindings
maintainers:
- Paul Cercueil <paul@crapouillou.net>
allOf:
- $ref: /schemas/serial.yaml#
properties:
$nodename:
pattern: "^serial@[0-9a-f]+$"
compatible:
oneOf:
- enum:
- ingenic,jz4740-uart
- ingenic,jz4760-uart
- ingenic,jz4780-uart
- ingenic,x1000-uart
- items:
- enum:
- ingenic,jz4770-uart
- ingenic,jz4775-uart
- const: ingenic,jz4760-uart
- items:
- const: ingenic,jz4725b-uart
- const: ingenic,jz4740-uart
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
items:
- description: Baud clock
- description: UART module clock
clock-names:
items:
- const: baud
- const: module
dmas:
items:
- description: DMA controller phandle and request line for RX
- description: DMA controller phandle and request line for TX
dma-names:
items:
- const: rx
- const: tx
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- dmas
- dma-names
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/jz4780-cgu.h>
#include <dt-bindings/dma/jz4780-dma.h>
#include <dt-bindings/gpio/gpio.h>
serial@10032000 {
compatible = "ingenic,jz4780-uart";
reg = <0x10032000 0x100>;
interrupt-parent = <&intc>;
interrupts = <49>;
clocks = <&ext>, <&cgu JZ4780_CLK_UART2>;
clock-names = "baud", "module";
dmas = <&dma JZ4780_DMA_UART2_RX 0xffffffff>,
<&dma JZ4780_DMA_UART2_TX 0xffffffff>;
dma-names = "rx", "tx";
bluetooth {
compatible = "brcm,bcm4330-bt";
reset-gpios = <&gpf 8 GPIO_ACTIVE_HIGH>;
vcc-supply = <&wlan0_power>;
device-wakeup-gpios = <&gpf 5 GPIO_ACTIVE_HIGH>;
host-wakeup-gpios = <&gpf 6 GPIO_ACTIVE_HIGH>;
shutdown-gpios = <&gpf 4 GPIO_ACTIVE_LOW>;
};
};
|
