diff --git a/arch/riscv/boot/dts/canaan/sipeed_maixduino.dts b/arch/riscv/boot/dts/canaan/sipeed_maixduino.dts new file mode 100644 index 000000000000..cf605ba0d67e --- /dev/null +++ b/arch/riscv/boot/dts/canaan/sipeed_maixduino.dts @@ -0,0 +1,184 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2019-20 Sean Anderson + * Copyright (C) 2020 Western Digital Corporation or its affiliates. + */ + +/dts-v1/; + +#include "k210.dtsi" + +#include +#include + +/ { + model = "SiPeed MAIXDUINO"; + compatible = "sipeed,maixduino", "canaan,kendryte-k210"; + + chosen { + bootargs = "earlycon console=ttySIF0"; + stdout-path = "serial0:115200n8"; + }; + + gpio-keys { + compatible = "gpio-keys"; + + boot { + label = "BOOT"; + linux,code = ; + 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 = , /* Header "0" */ + ; /* Header "1" */ + }; + + gpio_pinctrl: gpio-pinmux { + pinmux = , + ; + }; + + gpiohs_pinctrl: gpiohs-pinmux { + pinmux = , /* BOOT */ + , /* Header "2" */ + , /* Header "3" */ + , /* Header "4" */ + , /* Header "5" */ + , /* Header "6" */ + , /* Header "7" */ + , /* Header "8" */ + , /* Header "9" */ + , /* Header "10" */ + , /* Header "11" */ + , /* Header "12" */ + ; /* Header "13" */ + }; + + i2s0_pinctrl: i2s0-pinmux { + pinmux = , + , + ; + }; + + spi1_pinctrl: spi1-pinmux { + pinmux = , + , + , + ; /* cs */ + }; + + i2c1_pinctrl: i2c1-pinmux { + pinmux = , /* Header "scl" */ + ; /* Header "sda" */ + }; + + i2s1_pinctrl: i2s1-pinmux { + pinmux = , + , + ; + }; + + spi0_pinctrl: spi0-pinmux { + pinmux = , /* cs */ + , /* rst */ + , /* dc */ + ; /* wr */ + }; + + dvp_pinctrl: dvp-pinmux { + pinmux = , + , + , + , + , + , + , + ; + }; +}; + +&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"; + + slot@0 { + compatible = "mmc-spi-slot"; + reg = <0>; + voltage-ranges = <3300 3300>; + spi-max-frequency = <25000000>; + broken-cd; + }; +}; + +&spi3 { + spi-flash@0 { + compatible = "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <50000000>; + m25p,fast-read; + broken-flash-reset; + }; +};