[PATCH v17 13/16] riscv: Add SiPeed MAIXDUINO board device tree

Anup Patel anup at brainfault.org
Sun Feb 7 22:40:38 EST 2021


On Mon, Feb 8, 2021 at 4:43 AM Damien Le Moal <damien.lemoal at wdc.com> wrote:
>
> Add the device tree sipeed_maixduino.dts for the SiPeed MAIXDUINO board.
> This device tree enables LEDs and spi/mmc SD card device. Additionally,
> gpios and i2c are also enabled and mapped to the board header pins as
> indicated on the board itself.
>
> Cc: Rob Herring <robh at kernel.org>
> Cc: devicetree at vger.kernel.org
> Signed-off-by: Damien Le Moal <damien.lemoal at wdc.com>

Looks good to me.

Reviewed-by: Anup Patel <anup at brainfault.org>

Regards,
Anup

> ---
>  .../boot/dts/canaan/sipeed_maixduino.dts      | 209 ++++++++++++++++++
>  1 file changed, 209 insertions(+)
>  create mode 100644 arch/riscv/boot/dts/canaan/sipeed_maixduino.dts
>
> 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..804edc45eeeb
> --- /dev/null
> +++ b/arch/riscv/boot/dts/canaan/sipeed_maixduino.dts
> @@ -0,0 +1,209 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright (C) 2019-20 Sean Anderson <seanga2 at 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";
> +
> +               boot {
> +                       label = "BOOT";
> +                       linux,code = <BTN_0>;
> +                       gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
> +               };
> +       };
> +
> +       sound {
> +               compatible = "simple-audio-card";
> +               simple-audio-card,format = "i2s";
> +               status = "disabled";
> +
> +               simple-audio-card,cpu {
> +                       sound-dai = <&i2s0 0>;
> +               };
> +
> +               simple-audio-card,codec {
> +                       sound-dai = <&mic>;
> +               };
> +       };
> +
> +       mic: mic {
> +               #sound-dai-cells = <0>;
> +               compatible = "memsensing,msm261s4030h0";
> +               status = "disabled";
> +       };
> +
> +       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";
> +};
> +
> +&dvp0 {
> +       pinctrl-0 = <&dvp_pinctrl>;
> +       pinctrl-names = "default";
> +};
> +
> +&spi0 {
> +       pinctrl-0 = <&spi0_pinctrl>;
> +       pinctrl-names = "default";
> +       num-cs = <1>;
> +       cs-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
> +
> +       panel at 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 at 0 {
> +               compatible = "mmc-spi-slot";
> +               reg = <0>;
> +               voltage-ranges = <3300 3300>;
> +               spi-max-frequency = <25000000>;
> +               broken-cd;
> +       };
> +};
> +
> +&spi3 {
> +       spi-flash at 0 {
> +               compatible = "jedec,spi-nor";
> +               reg = <0>;
> +               spi-max-frequency = <50000000>;
> +               m25p,fast-read;
> +               broken-flash-reset;
> +       };
> +};
> --
> 2.29.2
>
>
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