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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2019-20 Sean Anderson <seanga2@gmail.com>
* Copyright (C) 2020 Western Digital Corporation or its affiliates.
*/
/dts-v1/;
#include "k210.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
/ {
model = "SiPeed MAIXDUINO";
compatible = "sipeed,maixduino", "canaan,kendryte-k210";
chosen {
bootargs = "earlycon console=ttySIF0";
stdout-path = "serial0:115200n8";
};
gpio-keys {
compatible = "gpio-keys";
key-boot {
label = "BOOT";
linux,code = <BTN_0>;
gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
};
};
vcc_3v3: regulator-3v3 {
compatible = "regulator-fixed";
regulator-name = "3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
};
&fpioa {
status = "okay";
uarths_pinctrl: uarths-pinmux {
pinmux = <K210_FPIOA(4, K210_PCF_UARTHS_RX)>, /* Header "0" */
<K210_FPIOA(5, K210_PCF_UARTHS_TX)>; /* Header "1" */
};
gpio_pinctrl: gpio-pinmux {
pinmux = <K210_FPIOA(8, K210_PCF_GPIO0)>,
<K210_FPIOA(9, K210_PCF_GPIO1)>;
};
gpiohs_pinctrl: gpiohs-pinmux {
pinmux = <K210_FPIOA(16, K210_PCF_GPIOHS0)>, /* BOOT */
<K210_FPIOA(21, K210_PCF_GPIOHS2)>, /* Header "2" */
<K210_FPIOA(22, K210_PCF_GPIOHS3)>, /* Header "3" */
<K210_FPIOA(23, K210_PCF_GPIOHS4)>, /* Header "4" */
<K210_FPIOA(24, K210_PCF_GPIOHS5)>, /* Header "5" */
<K210_FPIOA(32, K210_PCF_GPIOHS6)>, /* Header "6" */
<K210_FPIOA(15, K210_PCF_GPIOHS7)>, /* Header "7" */
<K210_FPIOA(14, K210_PCF_GPIOHS8)>, /* Header "8" */
<K210_FPIOA(13, K210_PCF_GPIOHS9)>, /* Header "9" */
<K210_FPIOA(12, K210_PCF_GPIOHS10)>, /* Header "10" */
<K210_FPIOA(11, K210_PCF_GPIOHS11)>, /* Header "11" */
<K210_FPIOA(10, K210_PCF_GPIOHS12)>, /* Header "12" */
<K210_FPIOA(3, K210_PCF_GPIOHS13)>; /* Header "13" */
};
i2s0_pinctrl: i2s0-pinmux {
pinmux = <K210_FPIOA(18, K210_PCF_I2S0_SCLK)>,
<K210_FPIOA(19, K210_PCF_I2S0_WS)>,
<K210_FPIOA(20, K210_PCF_I2S0_IN_D0)>;
};
spi1_pinctrl: spi1-pinmux {
pinmux = <K210_FPIOA(26, K210_PCF_SPI1_D1)>,
<K210_FPIOA(27, K210_PCF_SPI1_SCLK)>,
<K210_FPIOA(28, K210_PCF_SPI1_D0)>,
<K210_FPIOA(29, K210_PCF_GPIO2)>; /* cs */
};
i2c1_pinctrl: i2c1-pinmux {
pinmux = <K210_FPIOA(30, K210_PCF_I2C1_SCLK)>, /* Header "scl" */
<K210_FPIOA(31, K210_PCF_I2C1_SDA)>; /* Header "sda" */
};
i2s1_pinctrl: i2s1-pinmux {
pinmux = <K210_FPIOA(33, K210_PCF_I2S1_WS)>,
<K210_FPIOA(34, K210_PCF_I2S1_IN_D0)>,
<K210_FPIOA(35, K210_PCF_I2S1_SCLK)>;
};
spi0_pinctrl: spi0-pinmux {
pinmux = <K210_FPIOA(36, K210_PCF_GPIOHS20)>, /* cs */
<K210_FPIOA(37, K210_PCF_GPIOHS21)>, /* rst */
<K210_FPIOA(38, K210_PCF_GPIOHS22)>, /* dc */
<K210_FPIOA(39, K210_PCF_SPI0_SCLK)>; /* wr */
};
dvp_pinctrl: dvp-pinmux {
pinmux = <K210_FPIOA(40, K210_PCF_SCCB_SDA)>,
<K210_FPIOA(41, K210_PCF_SCCB_SCLK)>,
<K210_FPIOA(42, K210_PCF_DVP_RST)>,
<K210_FPIOA(43, K210_PCF_DVP_VSYNC)>,
<K210_FPIOA(44, K210_PCF_DVP_PWDN)>,
<K210_FPIOA(45, K210_PCF_DVP_HSYNC)>,
<K210_FPIOA(46, K210_PCF_DVP_XCLK)>,
<K210_FPIOA(47, K210_PCF_DVP_PCLK)>;
};
};
&uarths0 {
pinctrl-0 = <&uarths_pinctrl>;
pinctrl-names = "default";
status = "okay";
};
&gpio0 {
pinctrl-0 = <&gpiohs_pinctrl>;
pinctrl-names = "default";
status = "okay";
};
&gpio1 {
pinctrl-0 = <&gpio_pinctrl>;
pinctrl-names = "default";
status = "okay";
};
&i2s0 {
#sound-dai-cells = <1>;
pinctrl-0 = <&i2s0_pinctrl>;
pinctrl-names = "default";
};
&i2c1 {
pinctrl-0 = <&i2c1_pinctrl>;
pinctrl-names = "default";
clock-frequency = <400000>;
status = "okay";
};
&spi0 {
pinctrl-0 = <&spi0_pinctrl>;
pinctrl-names = "default";
num-cs = <1>;
cs-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
panel@0 {
compatible = "sitronix,st7789v";
reg = <0>;
reset-gpios = <&gpio0 21 GPIO_ACTIVE_LOW>;
dc-gpios = <&gpio0 22 0>;
spi-max-frequency = <15000000>;
power-supply = <&vcc_3v3>;
};
};
&spi1 {
pinctrl-0 = <&spi1_pinctrl>;
pinctrl-names = "default";
num-cs = <1>;
cs-gpios = <&gpio1_0 2 GPIO_ACTIVE_LOW>;
status = "okay";
mmc@0 {
compatible = "mmc-spi-slot";
reg = <0>;
voltage-ranges = <3300 3300>;
spi-max-frequency = <25000000>;
broken-cd;
};
};
&spi3 {
flash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <50000000>;
spi-tx-bus-width = <4>;
spi-rx-bus-width = <4>;
m25p,fast-read;
broken-flash-reset;
};
};
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