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 BiT";
17 compatible = "sipeed,maix-bit", "sipeed,maix-bitm",
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 led0 {
33 color = <LED_COLOR_ID_GREEN>;
34 label = "green";
35 gpios = <&gpio1_0 4 GPIO_ACTIVE_LOW>;
36 };
37
38 led1 {
39 color = <LED_COLOR_ID_RED>;
40 label = "red";
41 gpios = <&gpio1_0 5 GPIO_ACTIVE_LOW>;
42 };
43
44 led2 {
45 color = <LED_COLOR_ID_BLUE>;
46 label = "blue";
47 gpios = <&gpio1_0 6 GPIO_ACTIVE_LOW>;
48 };
49 };
50
51 gpio-keys {
52 compatible = "gpio-keys";
53
54 key-boot {
55 label = "BOOT";
56 linux,code = <BTN_0>;
57 gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
58 };
59 };
60 };
61
62 &fpioa {
63 pinctrl-names = "default";
64 pinctrl-0 = <&jtag_pinctrl>;
65
66 jtag_pinctrl: jtag-pinmux {
67 pinmux = <K210_FPIOA(0, K210_PCF_JTAG_TCLK)>,
68 <K210_FPIOA(1, K210_PCF_JTAG_TDI)>,
69 <K210_FPIOA(2, K210_PCF_JTAG_TMS)>,
70 <K210_FPIOA(3, K210_PCF_JTAG_TDO)>;
71 };
72
73 uarths_pinctrl: uarths-pinmux {
74 pinmux = <K210_FPIOA(4, K210_PCF_UARTHS_RX)>,
75 <K210_FPIOA(5, K210_PCF_UARTHS_TX)>;
76 };
77
78 gpio_pinctrl: gpio-pinmux {
79 pinmux = <K210_FPIOA(8, K210_PCF_GPIO0)>,
80 <K210_FPIOA(9, K210_PCF_GPIO1)>,
81 <K210_FPIOA(10, K210_PCF_GPIO2)>,
82 <K210_FPIOA(11, K210_PCF_GPIO3)>,
83 <K210_FPIOA(12, K210_PCF_GPIO4)>,
84 <K210_FPIOA(13, K210_PCF_GPIO5)>,
85 <K210_FPIOA(14, K210_PCF_GPIO6)>,
86 <K210_FPIOA(15, K210_PCF_GPIO7)>;
87 };
88
89 gpiohs_pinctrl: gpiohs-pinmux {
90 pinmux = <K210_FPIOA(16, K210_PCF_GPIOHS0)>,
91 <K210_FPIOA(17, K210_PCF_GPIOHS1)>,
92 <K210_FPIOA(21, K210_PCF_GPIOHS5)>,
93 <K210_FPIOA(22, K210_PCF_GPIOHS6)>,
94 <K210_FPIOA(23, K210_PCF_GPIOHS7)>,
95 <K210_FPIOA(24, K210_PCF_GPIOHS8)>,
96 <K210_FPIOA(25, K210_PCF_GPIOHS9)>,
97 <K210_FPIOA(32, K210_PCF_GPIOHS16)>,
98 <K210_FPIOA(33, K210_PCF_GPIOHS17)>,
99 <K210_FPIOA(34, K210_PCF_GPIOHS18)>,
100 <K210_FPIOA(35, K210_PCF_GPIOHS19)>;
101 };
102
103 i2s0_pinctrl: i2s0-pinmux {
104 pinmux = <K210_FPIOA(18, K210_PCF_I2S0_SCLK)>,
105 <K210_FPIOA(19, K210_PCF_I2S0_WS)>,
106 <K210_FPIOA(20, K210_PCF_I2S0_IN_D0)>;
107 };
108
109 dvp_pinctrl: dvp-pinmux {
110 pinmux = <K210_FPIOA(40, K210_PCF_SCCB_SDA)>,
111 <K210_FPIOA(41, K210_PCF_SCCB_SCLK)>,
112 <K210_FPIOA(42, K210_PCF_DVP_RST)>,
113 <K210_FPIOA(43, K210_PCF_DVP_VSYNC)>,
114 <K210_FPIOA(44, K210_PCF_DVP_PWDN)>,
115 <K210_FPIOA(45, K210_PCF_DVP_HSYNC)>,
116 <K210_FPIOA(46, K210_PCF_DVP_XCLK)>,
117 <K210_FPIOA(47, K210_PCF_DVP_PCLK)>;
118 };
119
120 spi0_pinctrl: spi0-pinmux {
121 pinmux = <K210_FPIOA(36, K210_PCF_GPIOHS20)>, /* cs */
122 <K210_FPIOA(37, K210_PCF_GPIOHS21)>, /* rst */
123 <K210_FPIOA(38, K210_PCF_GPIOHS22)>, /* dc */
124 <K210_FPIOA(39, K210_PCF_SPI0_SCLK)>; /* wr */
125 };
126
127 spi1_pinctrl: spi1-pinmux {
128 pinmux = <K210_FPIOA(26, K210_PCF_SPI1_D1)>,
129 <K210_FPIOA(27, K210_PCF_SPI1_SCLK)>,
130 <K210_FPIOA(28, K210_PCF_SPI1_D0)>,
131 <K210_FPIOA(29, K210_PCF_GPIOHS13)>; /* cs */
132 };
133
134 i2c1_pinctrl: i2c1-pinmux {
135 pinmux = <K210_FPIOA(30, K210_PCF_I2C1_SCLK)>,
136 <K210_FPIOA(31, K210_PCF_I2C1_SDA)>;
137 };
138 };
139
140 &uarths0 {
141 pinctrl-0 = <&uarths_pinctrl>;
142 pinctrl-names = "default";
143 status = "okay";
144 };
145
146 &gpio0 {
147 pinctrl-0 = <&gpiohs_pinctrl>;
148 pinctrl-names = "default";
149 status = "okay";
150 };
151
152 &gpio1 {
153 pinctrl-0 = <&gpio_pinctrl>;
154 pinctrl-names = "default";
155 status = "okay";
156 };
157
158 &i2s0 {
159 #sound-dai-cells = <1>;
160 pinctrl-0 = <&i2s0_pinctrl>;
161 pinctrl-names = "default";
162 status = "okay";
163 };
164
165 &i2c1 {
166 pinctrl-0 = <&i2c1_pinctrl>;
167 pinctrl-names = "default";
168 clock-frequency = <400000>;
169 status = "okay";
170 };
171
172 &spi0 {
173 pinctrl-0 = <&spi0_pinctrl>;
174 pinctrl-names = "default";
175 num-cs = <1>;
176 cs-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
177 status = "okay";
178
179 panel@0 {
180 compatible = "sitronix,st7789v";
181 reg = <0>;
182 reset-gpios = <&gpio0 21 GPIO_ACTIVE_LOW>;
183 dc-gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>;
184 spi-max-frequency = <15000000>;
185 spi-cs-high;
186 status = "disabled";
187 };
188 };
189
190 &spi1 {
191 pinctrl-0 = <&spi1_pinctrl>;
192 pinctrl-names = "default";
193 num-cs = <1>;
194 cs-gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
195 status = "okay";
196
197 mmc@0 {
198 compatible = "mmc-spi-slot";
199 reg = <0>;
200 voltage-ranges = <3300 3300>;
201 spi-max-frequency = <25000000>;
202 broken-cd;
203 };
204 };
205
206 &spi3 {
207 status = "okay";
208
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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