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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/serial/renesas,hscif.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Renesas High Speed Serial Communication Interface with FIFO (HSCIF)
maintainers:
- Geert Uytterhoeven <geert+renesas@glider.be>
allOf:
- $ref: serial.yaml#
properties:
compatible:
oneOf:
- items:
- enum:
- renesas,hscif-r8a7778 # R-Car M1
- renesas,hscif-r8a7779 # R-Car H1
- const: renesas,rcar-gen1-hscif # R-Car Gen1
- const: renesas,hscif # generic HSCIF compatible UART
- items:
- enum:
- renesas,hscif-r8a7742 # RZ/G1H
- renesas,hscif-r8a7743 # RZ/G1M
- renesas,hscif-r8a7744 # RZ/G1N
- renesas,hscif-r8a7745 # RZ/G1E
- renesas,hscif-r8a77470 # RZ/G1C
- renesas,hscif-r8a7790 # R-Car H2
- renesas,hscif-r8a7791 # R-Car M2-W
- renesas,hscif-r8a7792 # R-Car V2H
- renesas,hscif-r8a7793 # R-Car M2-N
- renesas,hscif-r8a7794 # R-Car E2
- const: renesas,rcar-gen2-hscif # R-Car Gen2 and RZ/G1
- const: renesas,hscif # generic HSCIF compatible UART
- items:
- enum:
- renesas,hscif-r8a774a1 # RZ/G2M
- renesas,hscif-r8a774b1 # RZ/G2N
- renesas,hscif-r8a774c0 # RZ/G2E
- renesas,hscif-r8a774e1 # RZ/G2H
- renesas,hscif-r8a7795 # R-Car H3
- renesas,hscif-r8a7796 # R-Car M3-W
- renesas,hscif-r8a77961 # R-Car M3-W+
- renesas,hscif-r8a77965 # R-Car M3-N
- renesas,hscif-r8a77970 # R-Car V3M
- renesas,hscif-r8a77980 # R-Car V3H
- renesas,hscif-r8a77990 # R-Car E3
- renesas,hscif-r8a77995 # R-Car D3
- const: renesas,rcar-gen3-hscif # R-Car Gen3 and RZ/G2
- const: renesas,hscif # generic HSCIF compatible UART
- items:
- enum:
- renesas,hscif-r8a779a0 # R-Car V3U
- renesas,hscif-r8a779f0 # R-Car S4-8
- renesas,hscif-r8a779g0 # R-Car V4H
- const: renesas,rcar-gen4-hscif # R-Car Gen4
- const: renesas,hscif # generic HSCIF compatible UART
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
minItems: 1
maxItems: 4
clock-names:
minItems: 1
maxItems: 4
items:
enum:
- fck # UART functional clock
- hsck # optional external clock input
- brg_int # optional internal clock source for BRG frequency divider
- scif_clk # optional external clock source for BRG frequency divider
power-domains:
maxItems: 1
resets:
maxItems: 1
dmas:
minItems: 2
maxItems: 4
description:
Must contain a list of pairs of references to DMA specifiers, one for
transmission, and one for reception.
dma-names:
minItems: 2
maxItems: 4
items:
enum:
- tx
- rx
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- power-domains
unevaluatedProperties: false
if:
properties:
compatible:
contains:
enum:
- renesas,rcar-gen2-hscif
- renesas,rcar-gen3-hscif
- renesas,rcar-gen4-hscif
then:
required:
- resets
examples:
- |
#include <dt-bindings/clock/r8a7795-cpg-mssr.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/r8a7795-sysc.h>
aliases {
serial1 = &hscif1;
};
hscif1: serial@e6550000 {
compatible = "renesas,hscif-r8a7795", "renesas,rcar-gen3-hscif",
"renesas,hscif";
reg = <0xe6550000 96>;
interrupts = <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD 519>, <&cpg CPG_CORE R8A7795_CLK_S3D1>,
<&scif_clk>;
clock-names = "fck", "brg_int", "scif_clk";
dmas = <&dmac1 0x33>, <&dmac1 0x32>, <&dmac2 0x33>, <&dmac2 0x32>;
dma-names = "tx", "rx", "tx", "rx";
power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
resets = <&cpg 519>;
uart-has-rtscts;
};
|
