arch/riscv/boot/dts/canaan/sipeed_maixduino.dts

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