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}; 193