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 chosen {
21 bootargs = "earlycon console=ttySIF0";
22 stdout-path = "serial0:115200n8";
23 };
24
25 gpio-leds {
26 compatible = "gpio-leds";
27
28 led0 {
29 color = <LED_COLOR_ID_GREEN>;
30 label = "green";
31 gpios = <&gpio1_0 4 GPIO_ACTIVE_LOW>;
32 };
33
34 led1 {
35 color = <LED_COLOR_ID_RED>;
36 label = "red";
37 gpios = <&gpio1_0 5 GPIO_ACTIVE_LOW>;
38 };
39
40 led2 {
41 color = <LED_COLOR_ID_BLUE>;
42 label = "blue";
43 gpios = <&gpio1_0 6 GPIO_ACTIVE_LOW>;
44 };
45 };
46
47 gpio-keys {
48 compatible = "gpio-keys";
49
50 key-boot {
51 label = "BOOT";
52 linux,code = <BTN_0>;
53 gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
54 };
55 };
56 };
57
58 &fpioa {
59 pinctrl-names = "default";
60 pinctrl-0 = <&jtag_pinctrl>;
61 status = "okay";
62
63 jtag_pinctrl: jtag-pinmux {
64 pinmux = <K210_FPIOA(0, K210_PCF_JTAG_TCLK)>,
65 <K210_FPIOA(1, K210_PCF_JTAG_TDI)>,
66 <K210_FPIOA(2, K210_PCF_JTAG_TMS)>,
67 <K210_FPIOA(3, K210_PCF_JTAG_TDO)>;
68 };
69
70 uarths_pinctrl: uarths-pinmux {
71 pinmux = <K210_FPIOA(4, K210_PCF_UARTHS_RX)>,
72 <K210_FPIOA(5, K210_PCF_UARTHS_TX)>;
73 };
74
75 gpio_pinctrl: gpio-pinmux {
76 pinmux = <K210_FPIOA(8, K210_PCF_GPIO0)>,
77 <K210_FPIOA(9, K210_PCF_GPIO1)>,
78 <K210_FPIOA(10, K210_PCF_GPIO2)>,
79 <K210_FPIOA(11, K210_PCF_GPIO3)>,
80 <K210_FPIOA(12, K210_PCF_GPIO4)>,
81 <K210_FPIOA(13, K210_PCF_GPIO5)>,
82 <K210_FPIOA(14, K210_PCF_GPIO6)>,
83 <K210_FPIOA(15, K210_PCF_GPIO7)>;
84 };
85
86 gpiohs_pinctrl: gpiohs-pinmux {
87 pinmux = <K210_FPIOA(16, K210_PCF_GPIOHS0)>,
88 <K210_FPIOA(17, K210_PCF_GPIOHS1)>,
89 <K210_FPIOA(21, K210_PCF_GPIOHS5)>,
90 <K210_FPIOA(22, K210_PCF_GPIOHS6)>,
91 <K210_FPIOA(23, K210_PCF_GPIOHS7)>,
92 <K210_FPIOA(24, K210_PCF_GPIOHS8)>,
93 <K210_FPIOA(25, K210_PCF_GPIOHS9)>,
94 <K210_FPIOA(32, K210_PCF_GPIOHS16)>,
95 <K210_FPIOA(33, K210_PCF_GPIOHS17)>,
96 <K210_FPIOA(34, K210_PCF_GPIOHS18)>,
97 <K210_FPIOA(35, K210_PCF_GPIOHS19)>;
98 };
99
100 i2s0_pinctrl: i2s0-pinmux {
101 pinmux = <K210_FPIOA(18, K210_PCF_I2S0_SCLK)>,
102 <K210_FPIOA(19, K210_PCF_I2S0_WS)>,
103 <K210_FPIOA(20, K210_PCF_I2S0_IN_D0)>;
104 };
105
106 dvp_pinctrl: dvp-pinmux {
107 pinmux = <K210_FPIOA(40, K210_PCF_SCCB_SDA)>,
108 <K210_FPIOA(41, K210_PCF_SCCB_SCLK)>,
109 <K210_FPIOA(42, K210_PCF_DVP_RST)>,
110 <K210_FPIOA(43, K210_PCF_DVP_VSYNC)>,
111 <K210_FPIOA(44, K210_PCF_DVP_PWDN)>,
112 <K210_FPIOA(45, K210_PCF_DVP_HSYNC)>,
113 <K210_FPIOA(46, K210_PCF_DVP_XCLK)>,
114 <K210_FPIOA(47, K210_PCF_DVP_PCLK)>;
115 };
116
117 spi0_pinctrl: spi0-pinmux {
118 pinmux = <K210_FPIOA(36, K210_PCF_GPIOHS20)>, /* cs */
119 <K210_FPIOA(37, K210_PCF_GPIOHS21)>, /* rst */
120 <K210_FPIOA(38, K210_PCF_GPIOHS22)>, /* dc */
121 <K210_FPIOA(39, K210_PCF_SPI0_SCLK)>; /* wr */
122 };
123
124 spi1_pinctrl: spi1-pinmux {
125 pinmux = <K210_FPIOA(26, K210_PCF_SPI1_D1)>,
126 <K210_FPIOA(27, K210_PCF_SPI1_SCLK)>,
127 <K210_FPIOA(28, K210_PCF_SPI1_D0)>,
128 <K210_FPIOA(29, K210_PCF_GPIOHS13)>; /* cs */
129 };
130
131 i2c1_pinctrl: i2c1-pinmux {
132 pinmux = <K210_FPIOA(30, K210_PCF_I2C1_SCLK)>,
133 <K210_FPIOA(31, K210_PCF_I2C1_SDA)>;
134 };
135 };
136
137 &uarths0 {
138 pinctrl-0 = <&uarths_pinctrl>;
139 pinctrl-names = "default";
140 status = "okay";
141 };
142
143 &gpio0 {
144 pinctrl-0 = <&gpiohs_pinctrl>;
145 pinctrl-names = "default";
146 status = "okay";
147 };
148
149 &gpio1 {
150 pinctrl-0 = <&gpio_pinctrl>;
151 pinctrl-names = "default";
152 status = "okay";
153 };
154
155 &i2s0 {
156 #sound-dai-cells = <1>;
157 pinctrl-0 = <&i2s0_pinctrl>;
158 pinctrl-names = "default";
159 };
160
161 &i2c1 {
162 pinctrl-0 = <&i2c1_pinctrl>;
163 pinctrl-names = "default";
164 clock-frequency = <400000>;
165 status = "okay";
166 };
167
168 &spi0 {
169 pinctrl-0 = <&spi0_pinctrl>;
170 pinctrl-names = "default";
171 num-cs = <1>;
172 cs-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
173
174 panel@0 {
175 compatible = "sitronix,st7789v";
176 reg = <0>;
177 reset-gpios = <&gpio0 21 GPIO_ACTIVE_LOW>;
178 dc-gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>;
179 spi-max-frequency = <15000000>;
180 spi-cs-high;
181 status = "disabled";
182 };
183 };
184
185 &spi1 {
186 pinctrl-0 = <&spi1_pinctrl>;
187 pinctrl-names = "default";
188 num-cs = <1>;
189 cs-gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
190 status = "okay";
191
192 mmc@0 {
193 compatible = "mmc-spi-slot";
194 reg = <0>;
195 voltage-ranges = <3300 3300>;
196 spi-max-frequency = <25000000>;
197 broken-cd;
198 };
199 };
200
201 &spi3 {
202 flash@0 {
203 compatible = "jedec,spi-nor";
204 reg = <0>;
205 spi-max-frequency = <50000000>;
206 spi-tx-bus-width = <4>;
207 spi-rx-bus-width = <4>;
208 m25p,fast-read;
209 broken-flash-reset;
210 };
211 };
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