blob: a45df1041705159fb1e6f4efd191be3080fe7b50 (
plain)
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
151
152
|
// SPDX-License-Identifier: (GPL-2.0 or MIT)
/*
* Device Tree Source for the Spider CPU board
*
* Copyright (C) 2021 Renesas Electronics Corp.
*/
#include "r8a779f0.dtsi"
/ {
model = "Renesas Spider CPU board";
compatible = "renesas,spider-cpu", "renesas,r8a779f0";
aliases {
serial0 = &scif3;
serial1 = &scif0;
};
chosen {
bootargs = "ignore_loglevel rw root=/dev/nfs ip=on";
stdout-path = "serial0:115200n8";
};
memory@48000000 {
device_type = "memory";
/* first 128MB is reserved for secure area. */
reg = <0x0 0x48000000 0x0 0x78000000>;
};
memory@480000000 {
device_type = "memory";
reg = <0x4 0x80000000 0x0 0x80000000>;
};
reg_1p8v: regulator-1p8v {
compatible = "regulator-fixed";
regulator-name = "fixed-1.8V";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-boot-on;
regulator-always-on;
};
reg_3p3v: regulator-3p3v {
compatible = "regulator-fixed";
regulator-name = "fixed-3.3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
};
&extal_clk {
clock-frequency = <20000000>;
};
&extalr_clk {
clock-frequency = <32768>;
};
&i2c4 {
pinctrl-0 = <&i2c4_pins>;
pinctrl-names = "default";
status = "okay";
clock-frequency = <400000>;
eeprom@50 {
compatible = "rohm,br24g01", "atmel,24c01";
label = "cpu-board";
reg = <0x50>;
pagesize = <8>;
};
};
/*
* This board also has a microSD slot which we will not support upstream
* because we cannot directly switch voltages in software.
*/
&mmc0 {
pinctrl-0 = <&mmc_pins>;
pinctrl-1 = <&mmc_pins>;
pinctrl-names = "default", "state_uhs";
vmmc-supply = <®_3p3v>;
vqmmc-supply = <®_1p8v>;
mmc-hs200-1_8v;
mmc-hs400-1_8v;
bus-width = <8>;
no-sd;
no-sdio;
non-removable;
full-pwr-cycle-in-suspend;
status = "okay";
};
&pfc {
pinctrl-0 = <&scif_clk_pins>;
pinctrl-names = "default";
i2c4_pins: i2c4 {
groups = "i2c4";
function = "i2c4";
};
mmc_pins: mmc {
groups = "mmc_data8", "mmc_ctrl", "mmc_ds";
function = "mmc";
power-source = <1800>;
};
scif0_pins: scif0 {
groups = "scif0_data", "scif0_ctrl";
function = "scif0";
};
scif3_pins: scif3 {
groups = "scif3_data", "scif3_ctrl";
function = "scif3";
};
scif_clk_pins: scif_clk {
groups = "scif_clk";
function = "scif_clk";
};
};
&rwdt {
timeout-sec = <60>;
status = "okay";
};
&scif0 {
pinctrl-0 = <&scif0_pins>;
pinctrl-names = "default";
uart-has-rtscts;
status = "okay";
};
&scif3 {
pinctrl-0 = <&scif3_pins>;
pinctrl-names = "default";
uart-has-rtscts;
status = "okay";
};
&scif_clk {
clock-frequency = <24000000>;
};
|
