1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright (c) 2019 Linaro Ltd.
4 * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
5 */
6
7/dts-v1/;
8
9#include "bm1880.dtsi"
10
11/*
12 * GPIO name legend: proper name = the GPIO line is used as GPIO
13 *         NC = not connected (pin out but not routed from the chip to
14 *              anything the board)
15 *         "[PER]" = pin is muxed for [peripheral] (not GPIO)
16 *         LSEC = Low Speed External Connector
17 *         HSEC = High Speed External Connector
18 *
19 * Line names are taken from the schematic "sophon-edge-schematics"
20 * version, 1.0210.
21 *
22 * For the lines routed to the external connectors the
23 * lines are named after the 96Boards CE Specification 1.0,
24 * Appendix "Expansion Connector Signal Description".
25 *
26 * When the 96Board naming of a line and the schematic name of
27 * the same line are in conflict, the 96Board specification
28 * takes precedence. This is only for the informational
29 * lines i.e. "[FOO]", the GPIO named lines "GPIO-A" thru "GPIO-L"
30 * are the only ones actually used for GPIO.
31 */
32
33/ {
34	compatible = "bitmain,sophon-edge", "bitmain,bm1880";
35	model = "Sophon Edge";
36
37	aliases {
38		serial0 = &uart0;
39		serial1 = &uart2;
40		serial2 = &uart1;
41	};
42
43	chosen {
44		stdout-path = "serial0:115200n8";
45	};
46
47	memory@0 {
48		device_type = "memory";
49		reg = <0x1 0x00000000 0x0 0x40000000>; // 1GB
50	};
51
52	uart_clk: uart-clk {
53		compatible = "fixed-clock";
54		clock-frequency = <500000000>;
55		#clock-cells = <0>;
56	};
57
58	soc {
59		gpio0: gpio@50027000 {
60			porta: gpio-controller@0 {
61				gpio-line-names =
62					"GPIO-A", /* GPIO0, LSEC pin 23 */
63					"GPIO-C", /* GPIO1, LSEC pin 25 */
64					"[GPIO2_PHY0_RST]", /* GPIO2 */
65					"GPIO-E", /* GPIO3, LSEC pin 27 */
66					"[USB_DET]", /* GPIO4 */
67					"[EN_P5V]", /* GPIO5 */
68					"[VDDIO_MS1_SEL]", /* GPIO6 */
69					"GPIO-G", /* GPIO7, LSEC pin 29 */
70					"[BM_TUSB_RST_L]", /* GPIO8 */
71					"[EN_P5V_USBHUB]", /* GPIO9 */
72					"NC",
73					"LED_WIFI", /* GPIO11 */
74					"LED_BT", /* GPIO12 */
75					"[BM_BLM8221_EN_L]", /* GPIO13 */
76					"NC", /* GPIO14 */
77					"NC", /* GPIO15 */
78					"NC", /* GPIO16 */
79					"NC", /* GPIO17 */
80					"NC", /* GPIO18 */
81					"NC", /* GPIO19 */
82					"NC", /* GPIO20 */
83					"NC", /* GPIO21 */
84					"NC", /* GPIO22 */
85					"NC", /* GPIO23 */
86					"NC", /* GPIO24 */
87					"NC", /* GPIO25 */
88					"NC", /* GPIO26 */
89					"NC", /* GPIO27 */
90					"NC", /* GPIO28 */
91					"NC", /* GPIO29 */
92					"NC", /* GPIO30 */
93					"NC"; /* GPIO31 */
94			};
95		};
96
97		gpio1: gpio@50027400 {
98			portb: gpio-controller@0 {
99				gpio-line-names =
100					"NC", /* GPIO32 */
101					"NC", /* GPIO33 */
102					"[I2C0_SDA]", /* GPIO34, LSEC pin 17 */
103					"[I2C0_SCL]", /* GPIO35, LSEC pin 15 */
104					"[JTAG0_TDO]", /* GPIO36 */
105					"[JTAG0_TCK]", /* GPIO37 */
106					"[JTAG0_TDI]", /* GPIO38 */
107					"[JTAG0_TMS]", /* GPIO39 */
108					"[JTAG0_TRST_X]", /* GPIO40 */
109					"[JTAG1_TDO]", /* GPIO41 */
110					"[JTAG1_TCK]", /* GPIO42 */
111					"[JTAG1_TDI]", /* GPIO43 */
112					"[CPU_TX]", /* GPIO44 */
113					"[CPU_RX]", /* GPIO45 */
114					"[UART1_TXD]", /* GPIO46 */
115					"[UART1_RXD]", /* GPIO47 */
116					"[UART0_TXD]", /* GPIO48 */
117					"[UART0_RXD]", /* GPIO49 */
118					"GPIO-I", /* GPIO50, LSEC pin 31 */
119					"GPIO-K", /* GPIO51, LSEC pin 33 */
120					"USER_LED2", /* GPIO52 */
121					"USER_LED1", /* GPIO53 */
122					"[UART0_RTS]", /* GPIO54 */
123					"[UART0_CTS]", /* GPIO55 */
124					"USER_LED4", /* GPIO56, JTAG1_TRST_X */
125					"USER_LED3", /* GPIO57, JTAG1_TMS */
126					"[I2S0_SCLK]", /* GPIO58 */
127					"[I2S0_FS]", /* GPIO59 */
128					"[I2S0_SDI]", /* GPIO60 */
129					"[I2S0_SDO]", /* GPIO61 */
130					"GPIO-B", /* GPIO62, LSEC pin 24 */
131					"GPIO-F"; /* GPIO63, I2S1_SCLK, LSEC pin 28 */
132			};
133		};
134
135		gpio2: gpio@50027800 {
136			portc: gpio-controller@0 {
137				gpio-line-names =
138					"GPIO-D", /* GPIO64, I2S1_FS, LSEC pin 26 */
139					"GPIO-J", /* GPIO65, I2S1_SDI, LSEC pin 32 */
140					"GPIO-H", /* GPIO66, I2S1_SDO, LSEC pin 30 */
141					"GPIO-L", /* GPIO67, LSEC pin 34 */
142					"[SPI0_CS]", /* GPIO68, SPI1_CS, LSEC pin 12 */
143					"[SPI0_DIN]", /* GPIO69, SPI1_SDI, LSEC pin 10 */
144					"[SPI0_DOUT]", /* GPIO70, SPI1_SDO, LSEC pin 14 */
145					"[SPI0_SCLK]"; /* GPIO71, SPI1_SCK, LSEC pin 8 */
146			};
147		};
148	};
149};
150
151&pinctrl {
152	pinctrl_uart0_default: pinctrl-uart0-default {
153		pinmux {
154			groups = "uart0_grp";
155			function = "uart0";
156		};
157	};
158
159	pinctrl_uart1_default: pinctrl-uart1-default {
160		pinmux {
161			groups = "uart1_grp";
162			function = "uart1";
163		};
164	};
165
166	pinctrl_uart2_default: pinctrl-uart2-default {
167		pinmux {
168			groups = "uart2_grp";
169			function = "uart2";
170		};
171	};
172};
173
174&uart0 {
175	status = "okay";
176	clocks = <&uart_clk>;
177	pinctrl-names = "default";
178	pinctrl-0 = <&pinctrl_uart0_default>;
179};
180
181&uart1 {
182	status = "okay";
183	clocks = <&uart_clk>;
184	pinctrl-names = "default";
185	pinctrl-0 = <&pinctrl_uart1_default>;
186};
187
188&uart2 {
189	status = "okay";
190	clocks = <&uart_clk>;
191	pinctrl-names = "default";
192	pinctrl-0 = <&pinctrl_uart2_default>;
193};
194