Commit 100513b2 authored by Han Gao's avatar Han Gao Committed by Inochi Amaoto
Browse files

riscv: dts: sophgo: add Sophgo SG2042_EVB_V1.X board device tree 

Sophgo SG2042_EVB_V1.X [1] is a prototype development board based on SG2042

Currently supports serial port, sdcard/emmc, pwm, fan speed control.

Link: https://github.com/sophgo/sophgo-hardware/tree/master/SG2042/SG2042-x8-EVB

 [1]

Signed-off-by: default avatarHan Gao <rabenda.cn@gmail.com>
Reviewed-by: default avatarNutty Liu <liujingqi@lanxincomputing.com>
Reviewed-by: default avatarChen Wang <unicorn_wang@outlook.com>
Link: https://lore.kernel.org/r/27091134ce1f8a6541a349afc324d6f7402ea606.1751700954.git.rabenda.cn@gmail.com


Signed-off-by: default avatarInochi Amaoto <inochiama@gmail.com>
Signed-off-by: default avatarChen Wang <unicorn_wang@outlook.com>
Signed-off-by: default avatarChen Wang <wangchen20@iscas.ac.cn>
parent e8dd24de

arch/riscv/boot/dts/sophgo/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -3,4 +3,5 @@ dtb-$(CONFIG_ARCH_SOPHGO) += cv1800b-milkv-duo.dtb 
dtb-$(CONFIG_ARCH_SOPHGO) += cv1812h-huashan-pi.dtb

dtb-$(CONFIG_ARCH_SOPHGO) += sg2002-licheerv-nano-b.dtb

dtb-$(CONFIG_ARCH_SOPHGO) += sg2042-milkv-pioneer.dtb

dtb-$(CONFIG_ARCH_SOPHGO) += sg2042-evb-v1.dtb

dtb-$(CONFIG_ARCH_SOPHGO) += sg2044-sophgo-srd3-10.dtb

arch/riscv/boot/dts/sophgo/sg2042-evb-v1.dts

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+245 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0 OR MIT

/*

 * Copyright (C) 2025 Sophgo Technology Inc. All rights reserved.

 */



#include "sg2042.dtsi"



#include <dt-bindings/gpio/gpio.h>

#include <dt-bindings/input/input.h>



/ {

	model = "Sophgo SG2042 EVB V1.X";

	compatible = "sophgo,sg2042-evb-v1", "sophgo,sg2042";



	chosen {

		stdout-path = "serial0";

	};



	gpio-power {

		compatible = "gpio-keys";



		key-power {

			label = "Power Key";

			linux,code = <KEY_POWER>;

			gpios = <&port0a 22 GPIO_ACTIVE_HIGH>;

			linux,input-type = <EV_KEY>;

			debounce-interval = <100>;

		};

	};



	pwmfan: pwm-fan {

		compatible = "pwm-fan";

		cooling-levels = <103 128 179 230 255>;

		pwms = <&pwm 0 40000 0>;

		#cooling-cells = <2>;

	};



	thermal-zones {

		soc-thermal {

			polling-delay-passive = <1000>;

			polling-delay = <1000>;

			thermal-sensors = <&mcu 0>;



			trips {

				soc_active1: soc-active1 {

					temperature = <30000>;

					hysteresis = <8000>;

					type = "active";

				};



				soc_active2: soc-active2 {

					temperature = <58000>;

					hysteresis = <12000>;

					type = "active";

				};



				soc_active3: soc-active3 {

					temperature = <70000>;

					hysteresis = <10000>;

					type = "active";

				};



				soc_hot: soc-hot {

					temperature = <80000>;

					hysteresis = <5000>;

					type = "hot";

				};

			};



			cooling-maps {

				map0 {

					trip = <&soc_active1>;

					cooling-device = <&pwmfan 0 1>;

				};



				map1 {

					trip = <&soc_active2>;

					cooling-device = <&pwmfan 1 2>;

				};



				map2 {

					trip = <&soc_active3>;

					cooling-device = <&pwmfan 2 3>;

				};



				map3 {

					trip = <&soc_hot>;

					cooling-device = <&pwmfan 3 4>;

				};

			};

		};



		board-thermal {

			polling-delay-passive = <1000>;

			polling-delay = <1000>;

			thermal-sensors = <&mcu 1>;



			trips {

				board_active: board-active {

					temperature = <75000>;

					hysteresis = <8000>;

					type = "active";

				};

			};



			cooling-maps {

				map4 {

					trip = <&board_active>;

					cooling-device = <&pwmfan 3 4>;

				};

			};

		};

	};

};



&cgi_main {

	clock-frequency = <25000000>;

};



&cgi_dpll0 {

	clock-frequency = <25000000>;

};



&cgi_dpll1 {

	clock-frequency = <25000000>;

};



&emmc {

	pinctrl-0 = <&emmc_cfg>;

	pinctrl-names = "default";

	bus-width = <4>;

	no-sdio;

	no-sd;

	non-removable;

	wp-inverted;

	status = "okay";

};



&i2c1 {

	pinctrl-0 = <&i2c1_cfg>;

	pinctrl-names = "default";

	status = "okay";



	mcu: syscon@17 {

		compatible = "sophgo,sg2042-hwmon-mcu";

		reg = <0x17>;

		#thermal-sensor-cells = <1>;

	};

};



&gmac0 {

	phy-handle = <&phy0>;

	phy-mode = "rgmii-id";

	status = "okay";



	mdio {

		phy0: phy@0 {

			compatible = "ethernet-phy-ieee802.3-c22";

			reg = <0>;

			reset-gpios = <&port0a 27 GPIO_ACTIVE_LOW>;

			reset-assert-us = <100000>;

			reset-deassert-us = <100000>;

		};

	};

};



&pinctrl {

	emmc_cfg: sdhci-emmc-cfg {

		sdhci-emmc-wp-pins {

			pinmux = <PINMUX(PIN_EMMC_WP, 0)>;

			bias-disable;

			drive-strength-microamp = <26800>;

			input-schmitt-disable;

		};



		sdhci-emmc-cd-pins {

			pinmux = <PINMUX(PIN_EMMC_CD, 0)>;

			bias-pull-up;

			drive-strength-microamp = <26800>;

			input-schmitt-enable;

		};



		sdhci-emmc-rst-pwr-pins {

			pinmux = <PINMUX(PIN_EMMC_RST, 0)>,

				 <PINMUX(PIN_EMMC_PWR_EN, 0)>;

			bias-disable;

			drive-strength-microamp = <26800>;

			input-schmitt-disable;

		};

	};



	i2c1_cfg: i2c1-cfg {

		i2c1-pins {

			pinmux = <PINMUX(PIN_IIC1_SDA, 0)>,

				 <PINMUX(PIN_IIC1_SCL, 0)>;

			bias-pull-up;

			drive-strength-microamp = <26800>;

			input-schmitt-enable;

		};

	};



	sd_cfg: sdhci-sd-cfg {

		sdhci-sd-cd-wp-pins {

			pinmux = <PINMUX(PIN_SDIO_CD, 0)>,

				 <PINMUX(PIN_SDIO_WP, 0)>;

			bias-pull-up;

			drive-strength-microamp = <26800>;

			input-schmitt-enable;

		};



		sdhci-sd-rst-pwr-pins {

			pinmux = <PINMUX(PIN_SDIO_RST, 0)>,

				 <PINMUX(PIN_SDIO_PWR_EN, 0)>;

			bias-disable;

			drive-strength-microamp = <26800>;

			input-schmitt-disable;

		};

	};



	uart0_cfg: uart0-cfg {

		uart0-rx-pins {

			pinmux = <PINMUX(PIN_UART0_TX, 0)>,

				 <PINMUX(PIN_UART0_RX, 0)>;

			bias-pull-up;

			drive-strength-microamp = <26800>;

			input-schmitt-enable;

		};

	};

};



&sd {

	pinctrl-0 = <&sd_cfg>;

	pinctrl-names = "default";

	bus-width = <4>;

	no-sdio;

	no-mmc;

	wp-inverted;

	status = "okay";

};



&uart0 {

	pinctrl-0 = <&uart0_cfg>;

	pinctrl-names = "default";

	status = "okay";

};