1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2019-20 Sean Anderson <seanga2@gmail.com>
4 * Copyright (C) 2020 Western Digital Corporation or its affiliates.
5 */
6
7 /dts-v1/;
8
9 #include "k210.dtsi"
10
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/input/input.h>
13 #include <dt-bindings/leds/common.h>
14
15 / {
16 model = "SiPeed MAIX Dock";
17 compatible = "sipeed,maix-dock-m1", "sipeed,maix-dock-m1w",
18 "canaan,kendryte-k210";
19
20 aliases {
21 serial0 = &uarths0;
22 };
23
24 chosen {
25 bootargs = "earlycon console=ttySIF0";
26 stdout-path = "serial0:115200n8";
27 };
28
29 gpio-leds {
30 compatible = "gpio-leds";
31
32 /*
33 * Note: the board wiring drawing documents green on
34 * gpio #4, red on gpio #5 and blue on gpio #6. However,
35 * the board is actually wired differently as defined here.
36 */
37 led0 {
38 color = <LED_COLOR_ID_BLUE>;
39 label = "blue";
40 gpios = <&gpio1_0 4 GPIO_ACTIVE_LOW>;
41 };
42
43 led1 {
44 color = <LED_COLOR_ID_GREEN>;
45 label = "green";
46 gpios = <&gpio1_0 5 GPIO_ACTIVE_LOW>;
47 };
48
49 led2 {
50 color = <LED_COLOR_ID_RED>;
51 label = "red";
52 gpios = <&gpio1_0 6 GPIO_ACTIVE_LOW>;
53 };
54 };
55
56 gpio-keys {
57 compatible = "gpio-keys";
58
59 key-boot {
60 label = "BOOT";
61 linux,code = <BTN_0>;
62 gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
63 };
64 };
65 };
66
67 &fpioa {
68 pinctrl-0 = <&jtag_pinctrl>;
69 pinctrl-names = "default";
70
71 jtag_pinctrl: jtag-pinmux {
72 pinmux = <K210_FPIOA(0, K210_PCF_JTAG_TCLK)>,
73 <K210_FPIOA(1, K210_PCF_JTAG_TDI)>,
74 <K210_FPIOA(2, K210_PCF_JTAG_TMS)>,
75 <K210_FPIOA(3, K210_PCF_JTAG_TDO)>;
76 };
77
78 uarths_pinctrl: uarths-pinmux {
79 pinmux = <K210_FPIOA(4, K210_PCF_UARTHS_RX)>,
80 <K210_FPIOA(5, K210_PCF_UARTHS_TX)>;
81 };
82
83 gpio_pinctrl: gpio-pinmux {
84 pinmux = <K210_FPIOA(8, K210_PCF_GPIO0)>,
85 <K210_FPIOA(11, K210_PCF_GPIO3)>,
86 <K210_FPIOA(12, K210_PCF_GPIO4)>,
87 <K210_FPIOA(13, K210_PCF_GPIO5)>,
88 <K210_FPIOA(14, K210_PCF_GPIO6)>,
89 <K210_FPIOA(15, K210_PCF_GPIO7)>;
90 };
91
92 gpiohs_pinctrl: gpiohs-pinmux {
93 pinmux = <K210_FPIOA(16, K210_PCF_GPIOHS0)>,
94 <K210_FPIOA(17, K210_PCF_GPIOHS1)>,
95 <K210_FPIOA(21, K210_PCF_GPIOHS5)>,
96 <K210_FPIOA(22, K210_PCF_GPIOHS6)>,
97 <K210_FPIOA(23, K210_PCF_GPIOHS7)>,
98 <K210_FPIOA(24, K210_PCF_GPIOHS8)>,
99 <K210_FPIOA(25, K210_PCF_GPIOHS9)>,
100 <K210_FPIOA(32, K210_PCF_GPIOHS16)>,
101 <K210_FPIOA(33, K210_PCF_GPIOHS17)>,
102 <K210_FPIOA(34, K210_PCF_GPIOHS18)>,
103 <K210_FPIOA(35, K210_PCF_GPIOHS19)>;
104 };
105
106 i2s0_pinctrl: i2s0-pinmux {
107 pinmux = <K210_FPIOA(18, K210_PCF_I2S0_SCLK)>,
108 <K210_FPIOA(19, K210_PCF_I2S0_WS)>,
109 <K210_FPIOA(20, K210_PCF_I2S0_IN_D0)>;
110 };
111
112 dvp_pinctrl: dvp-pinmux {
113 pinmux = <K210_FPIOA(40, K210_PCF_SCCB_SDA)>,
114 <K210_FPIOA(41, K210_PCF_SCCB_SCLK)>,
115 <K210_FPIOA(42, K210_PCF_DVP_RST)>,
116 <K210_FPIOA(43, K210_PCF_DVP_VSYNC)>,
117 <K210_FPIOA(44, K210_PCF_DVP_PWDN)>,
118 <K210_FPIOA(45, K210_PCF_DVP_HSYNC)>,
119 <K210_FPIOA(46, K210_PCF_DVP_XCLK)>,
120 <K210_FPIOA(47, K210_PCF_DVP_PCLK)>;
121 };
122
123 spi0_pinctrl: spi0-pinmux {
124 pinmux = <K210_FPIOA(36, K210_PCF_GPIOHS20)>, /* cs */
125 <K210_FPIOA(37, K210_PCF_GPIOHS21)>, /* rst */
126 <K210_FPIOA(38, K210_PCF_GPIOHS22)>, /* dc */
127 <K210_FPIOA(39, K210_PCF_SPI0_SCLK)>; /* wr */
128 };
129
130 spi1_pinctrl: spi1-pinmux {
131 pinmux = <K210_FPIOA(26, K210_PCF_SPI1_D1)>,
132 <K210_FPIOA(27, K210_PCF_SPI1_SCLK)>,
133 <K210_FPIOA(28, K210_PCF_SPI1_D0)>,
134 <K210_FPIOA(29, K210_PCF_GPIOHS13)>; /* cs */
135 };
136
137 i2c1_pinctrl: i2c1-pinmux {
138 pinmux = <K210_FPIOA(9, K210_PCF_I2C1_SCLK)>,
139 <K210_FPIOA(10, K210_PCF_I2C1_SDA)>;
140 };
141 };
142
143 &uarths0 {
144 pinctrl-0 = <&uarths_pinctrl>;
145 pinctrl-names = "default";
146 status = "okay";
147 };
148
149 &gpio0 {
150 pinctrl-0 = <&gpiohs_pinctrl>;
151 pinctrl-names = "default";
152 status = "okay";
153 };
154
155 &gpio1 {
156 pinctrl-0 = <&gpio_pinctrl>;
157 pinctrl-names = "default";
158 status = "okay";
159 };
160
161 &i2s0 {
162 #sound-dai-cells = <1>;
163 pinctrl-0 = <&i2s0_pinctrl>;
164 pinctrl-names = "default";
165 status = "okay";
166 };
167
168 &i2c1 {
169 pinctrl-0 = <&i2c1_pinctrl>;
170 pinctrl-names = "default";
171 clock-frequency = <400000>;
172 status = "okay";
173 };
174
175 &spi0 {
176 pinctrl-0 = <&spi0_pinctrl>;
177 pinctrl-names = "default";
178 num-cs = <1>;
179 cs-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
180 status = "okay";
181
182 panel@0 {
183 compatible = "sitronix,st7789v";
184 reg = <0>;
185 reset-gpios = <&gpio0 21 GPIO_ACTIVE_LOW>;
186 dc-gpios = <&gpio0 22 0>;
187 spi-max-frequency = <15000000>;
188 status = "disabled";
189 };
190 };
191
192 &spi1 {
193 pinctrl-0 = <&spi1_pinctrl>;
194 pinctrl-names = "default";
195 num-cs = <1>;
196 cs-gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
197 status = "okay";
198
199 mmc@0 {
200 compatible = "mmc-spi-slot";
201 reg = <0>;
202 voltage-ranges = <3300 3300>;
203 spi-max-frequency = <25000000>;
204 broken-cd;
205 };
206 };
207
208 &spi3 {
209 flash@0 {
210 compatible = "jedec,spi-nor";
211 reg = <0>;
212 spi-max-frequency = <50000000>;
213 spi-tx-bus-width = <4>;
214 spi-rx-bus-width = <4>;
215 m25p,fast-read;
216 broken-flash-reset;
217 };
218 };
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