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
14 / {
15 model = "SiPeed MAIXDUINO";
16 compatible = "sipeed,maixduino", "canaan,kendryte-k210";
17
18 aliases {
19 serial0 = &uarths0;
20 };
21
22 chosen {
23 bootargs = "earlycon console=ttySIF0";
24 stdout-path = "serial0:115200n8";
25 };
26
27 gpio-keys {
28 compatible = "gpio-keys";
29
30 key-boot {
31 label = "BOOT";
32 linux,code = <BTN_0>;
33 gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
34 };
35 };
36
37 vcc_3v3: regulator-3v3 {
38 compatible = "regulator-fixed";
39 regulator-name = "3v3";
40 regulator-min-microvolt = <3300000>;
41 regulator-max-microvolt = <3300000>;
42 };
43 };
44
45 &fpioa {
46 uarths_pinctrl: uarths-pinmux {
47 pinmux = <K210_FPIOA(4, K210_PCF_UARTHS_RX)>, /* Header "0" */
48 <K210_FPIOA(5, K210_PCF_UARTHS_TX)>; /* Header "1" */
49 };
50
51 gpio_pinctrl: gpio-pinmux {
52 pinmux = <K210_FPIOA(8, K210_PCF_GPIO0)>,
53 <K210_FPIOA(9, K210_PCF_GPIO1)>;
54 };
55
56 gpiohs_pinctrl: gpiohs-pinmux {
57 pinmux = <K210_FPIOA(16, K210_PCF_GPIOHS0)>, /* BOOT */
58 <K210_FPIOA(21, K210_PCF_GPIOHS2)>, /* Header "2" */
59 <K210_FPIOA(22, K210_PCF_GPIOHS3)>, /* Header "3" */
60 <K210_FPIOA(23, K210_PCF_GPIOHS4)>, /* Header "4" */
61 <K210_FPIOA(24, K210_PCF_GPIOHS5)>, /* Header "5" */
62 <K210_FPIOA(32, K210_PCF_GPIOHS6)>, /* Header "6" */
63 <K210_FPIOA(15, K210_PCF_GPIOHS7)>, /* Header "7" */
64 <K210_FPIOA(14, K210_PCF_GPIOHS8)>, /* Header "8" */
65 <K210_FPIOA(13, K210_PCF_GPIOHS9)>, /* Header "9" */
66 <K210_FPIOA(12, K210_PCF_GPIOHS10)>, /* Header "10" */
67 <K210_FPIOA(11, K210_PCF_GPIOHS11)>, /* Header "11" */
68 <K210_FPIOA(10, K210_PCF_GPIOHS12)>, /* Header "12" */
69 <K210_FPIOA(3, K210_PCF_GPIOHS13)>; /* Header "13" */
70 };
71
72 i2s0_pinctrl: i2s0-pinmux {
73 pinmux = <K210_FPIOA(18, K210_PCF_I2S0_SCLK)>,
74 <K210_FPIOA(19, K210_PCF_I2S0_WS)>,
75 <K210_FPIOA(20, K210_PCF_I2S0_IN_D0)>;
76 };
77
78 spi1_pinctrl: spi1-pinmux {
79 pinmux = <K210_FPIOA(26, K210_PCF_SPI1_D1)>,
80 <K210_FPIOA(27, K210_PCF_SPI1_SCLK)>,
81 <K210_FPIOA(28, K210_PCF_SPI1_D0)>,
82 <K210_FPIOA(29, K210_PCF_GPIO2)>; /* cs */
83 };
84
85 i2c1_pinctrl: i2c1-pinmux {
86 pinmux = <K210_FPIOA(30, K210_PCF_I2C1_SCLK)>, /* Header "scl" */
87 <K210_FPIOA(31, K210_PCF_I2C1_SDA)>; /* Header "sda" */
88 };
89
90 i2s1_pinctrl: i2s1-pinmux {
91 pinmux = <K210_FPIOA(33, K210_PCF_I2S1_WS)>,
92 <K210_FPIOA(34, K210_PCF_I2S1_IN_D0)>,
93 <K210_FPIOA(35, K210_PCF_I2S1_SCLK)>;
94 };
95
96 spi0_pinctrl: spi0-pinmux {
97 pinmux = <K210_FPIOA(36, K210_PCF_GPIOHS20)>, /* cs */
98 <K210_FPIOA(37, K210_PCF_GPIOHS21)>, /* rst */
99 <K210_FPIOA(38, K210_PCF_GPIOHS22)>, /* dc */
100 <K210_FPIOA(39, K210_PCF_SPI0_SCLK)>; /* wr */
101 };
102
103 dvp_pinctrl: dvp-pinmux {
104 pinmux = <K210_FPIOA(40, K210_PCF_SCCB_SDA)>,
105 <K210_FPIOA(41, K210_PCF_SCCB_SCLK)>,
106 <K210_FPIOA(42, K210_PCF_DVP_RST)>,
107 <K210_FPIOA(43, K210_PCF_DVP_VSYNC)>,
108 <K210_FPIOA(44, K210_PCF_DVP_PWDN)>,
109 <K210_FPIOA(45, K210_PCF_DVP_HSYNC)>,
110 <K210_FPIOA(46, K210_PCF_DVP_XCLK)>,
111 <K210_FPIOA(47, K210_PCF_DVP_PCLK)>;
112 };
113 };
114
115 &uarths0 {
116 pinctrl-0 = <&uarths_pinctrl>;
117 pinctrl-names = "default";
118 status = "okay";
119 };
120
121 &gpio0 {
122 pinctrl-0 = <&gpiohs_pinctrl>;
123 pinctrl-names = "default";
124 status = "okay";
125 };
126
127 &gpio1 {
128 pinctrl-0 = <&gpio_pinctrl>;
129 pinctrl-names = "default";
130 status = "okay";
131 };
132
133 &i2s0 {
134 #sound-dai-cells = <1>;
135 pinctrl-0 = <&i2s0_pinctrl>;
136 pinctrl-names = "default";
137 status = "okay";
138 };
139
140 &i2c1 {
141 pinctrl-0 = <&i2c1_pinctrl>;
142 pinctrl-names = "default";
143 clock-frequency = <400000>;
144 status = "okay";
145 };
146
147 &spi0 {
148 pinctrl-0 = <&spi0_pinctrl>;
149 pinctrl-names = "default";
150 num-cs = <1>;
151 cs-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
152 status = "okay";
153
154 panel@0 {
155 compatible = "sitronix,st7789v";
156 reg = <0>;
157 reset-gpios = <&gpio0 21 GPIO_ACTIVE_LOW>;
158 dc-gpios = <&gpio0 22 0>;
159 spi-max-frequency = <15000000>;
160 power-supply = <&vcc_3v3>;
161 };
162 };
163
164 &spi1 {
165 pinctrl-0 = <&spi1_pinctrl>;
166 pinctrl-names = "default";
167 num-cs = <1>;
168 cs-gpios = <&gpio1_0 2 GPIO_ACTIVE_LOW>;
169 status = "okay";
170
171 mmc@0 {
172 compatible = "mmc-spi-slot";
173 reg = <0>;
174 voltage-ranges = <3300 3300>;
175 spi-max-frequency = <25000000>;
176 broken-cd;
177 };
178 };
179
180 &spi3 {
181 status = "okay";
182
183 flash@0 {
184 compatible = "jedec,spi-nor";
185 reg = <0>;
186 spi-max-frequency = <50000000>;
187 spi-tx-bus-width = <4>;
188 spi-rx-bus-width = <4>;
189 m25p,fast-read;
190 broken-flash-reset;
191 };
192 };
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