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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2019 Linaro Ltd.
* Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
*/
/dts-v1/;
#include "bm1880.dtsi"
/*
* GPIO name legend: proper name = the GPIO line is used as GPIO
* NC = not connected (pin out but not routed from the chip to
* anything the board)
* "[PER]" = pin is muxed for [peripheral] (not GPIO)
* LSEC = Low Speed External Connector
* HSEC = High Speed External Connector
*
* Line names are taken from the schematic "sophon-edge-schematics"
* version, 1.0210.
*
* For the lines routed to the external connectors the
* lines are named after the 96Boards CE Specification 1.0,
* Appendix "Expansion Connector Signal Description".
*
* When the 96Board naming of a line and the schematic name of
* the same line are in conflict, the 96Board specification
* takes precedence. This is only for the informational
* lines i.e. "[FOO]", the GPIO named lines "GPIO-A" thru "GPIO-L"
* are the only ones actually used for GPIO.
*/
/ {
compatible = "bitmain,sophon-edge", "bitmain,bm1880";
model = "Sophon Edge";
aliases {
serial0 = &uart0;
serial1 = &uart2;
serial2 = &uart1;
};
chosen {
stdout-path = "serial0:115200n8";
};
memory@0 {
device_type = "memory";
reg = <0x1 0x00000000 0x0 0x40000000>; // 1GB
};
uart_clk: uart-clk {
compatible = "fixed-clock";
clock-frequency = <500000000>;
#clock-cells = <0>;
};
soc {
gpio0: gpio@50027000 {
porta: gpio-controller@0 {
gpio-line-names =
"GPIO-A", /* GPIO0, LSEC pin 23 */
"GPIO-C", /* GPIO1, LSEC pin 25 */
"[GPIO2_PHY0_RST]", /* GPIO2 */
"GPIO-E", /* GPIO3, LSEC pin 27 */
"[USB_DET]", /* GPIO4 */
"[EN_P5V]", /* GPIO5 */
"[VDDIO_MS1_SEL]", /* GPIO6 */
"GPIO-G", /* GPIO7, LSEC pin 29 */
"[BM_TUSB_RST_L]", /* GPIO8 */
"[EN_P5V_USBHUB]", /* GPIO9 */
"NC",
"LED_WIFI", /* GPIO11 */
"LED_BT", /* GPIO12 */
"[BM_BLM8221_EN_L]", /* GPIO13 */
"NC", /* GPIO14 */
"NC", /* GPIO15 */
"NC", /* GPIO16 */
"NC", /* GPIO17 */
"NC", /* GPIO18 */
"NC", /* GPIO19 */
"NC", /* GPIO20 */
"NC", /* GPIO21 */
"NC", /* GPIO22 */
"NC", /* GPIO23 */
"NC", /* GPIO24 */
"NC", /* GPIO25 */
"NC", /* GPIO26 */
"NC", /* GPIO27 */
"NC", /* GPIO28 */
"NC", /* GPIO29 */
"NC", /* GPIO30 */
"NC"; /* GPIO31 */
};
};
gpio1: gpio@50027400 {
portb: gpio-controller@0 {
gpio-line-names =
"NC", /* GPIO32 */
"NC", /* GPIO33 */
"[I2C0_SDA]", /* GPIO34, LSEC pin 17 */
"[I2C0_SCL]", /* GPIO35, LSEC pin 15 */
"[JTAG0_TDO]", /* GPIO36 */
"[JTAG0_TCK]", /* GPIO37 */
"[JTAG0_TDI]", /* GPIO38 */
"[JTAG0_TMS]", /* GPIO39 */
"[JTAG0_TRST_X]", /* GPIO40 */
"[JTAG1_TDO]", /* GPIO41 */
"[JTAG1_TCK]", /* GPIO42 */
"[JTAG1_TDI]", /* GPIO43 */
"[CPU_TX]", /* GPIO44 */
"[CPU_RX]", /* GPIO45 */
"[UART1_TXD]", /* GPIO46 */
"[UART1_RXD]", /* GPIO47 */
"[UART0_TXD]", /* GPIO48 */
"[UART0_RXD]", /* GPIO49 */
"GPIO-I", /* GPIO50, LSEC pin 31 */
"GPIO-K", /* GPIO51, LSEC pin 33 */
"USER_LED2", /* GPIO52 */
"USER_LED1", /* GPIO53 */
"[UART0_RTS]", /* GPIO54 */
"[UART0_CTS]", /* GPIO55 */
"USER_LED4", /* GPIO56, JTAG1_TRST_X */
"USER_LED3", /* GPIO57, JTAG1_TMS */
"[I2S0_SCLK]", /* GPIO58 */
"[I2S0_FS]", /* GPIO59 */
"[I2S0_SDI]", /* GPIO60 */
"[I2S0_SDO]", /* GPIO61 */
"GPIO-B", /* GPIO62, LSEC pin 24 */
"GPIO-F"; /* GPIO63, I2S1_SCLK, LSEC pin 28 */
};
};
gpio2: gpio@50027800 {
portc: gpio-controller@0 {
gpio-line-names =
"GPIO-D", /* GPIO64, I2S1_FS, LSEC pin 26 */
"GPIO-J", /* GPIO65, I2S1_SDI, LSEC pin 32 */
"GPIO-H", /* GPIO66, I2S1_SDO, LSEC pin 30 */
"GPIO-L", /* GPIO67, LSEC pin 34 */
"[SPI0_CS]", /* GPIO68, SPI1_CS, LSEC pin 12 */
"[SPI0_DIN]", /* GPIO69, SPI1_SDI, LSEC pin 10 */
"[SPI0_DOUT]", /* GPIO70, SPI1_SDO, LSEC pin 14 */
"[SPI0_SCLK]"; /* GPIO71, SPI1_SCK, LSEC pin 8 */
};
};
};
};
&pinctrl {
pinctrl_uart0_default: pinctrl-uart0-default {
pinmux {
groups = "uart0_grp";
function = "uart0";
};
};
pinctrl_uart1_default: pinctrl-uart1-default {
pinmux {
groups = "uart1_grp";
function = "uart1";
};
};
pinctrl_uart2_default: pinctrl-uart2-default {
pinmux {
groups = "uart2_grp";
function = "uart2";
};
};
};
&uart0 {
status = "okay";
clocks = <&uart_clk>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart0_default>;
};
&uart1 {
status = "okay";
clocks = <&uart_clk>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1_default>;
};
&uart2 {
status = "okay";
clocks = <&uart_clk>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart2_default>;
};
|