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Message-ID: <b6ef6550da398d0440851854c6eec1e53f2d4a96.1746811744.git.rabenda.cn@gmail.com>
Date: Sat, 10 May 2025 02:13:30 +0800
From: Han Gao <rabenda.cn@...il.com>
To: devicetree@...r.kernel.org
Cc: Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Chen Wang <unicorn_wang@...look.com>,
Inochi Amaoto <inochiama@...il.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
Alexandre Ghiti <alex@...ti.fr>,
Han Gao <rabenda.cn@...il.com>,
Thomas Bonnefille <thomas.bonnefille@...tlin.com>,
Guo Ren <guoren@...nel.org>,
Chao Wei <chao.wei@...hgo.com>,
sophgo@...ts.linux.dev,
linux-riscv@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 4/4] riscv: dts: sophgo: add Sophgo x4 EVB board device tree
Sophgo x4 EVB [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-x4-EVB [1]
Signed-off-by: Han Gao <rabenda.cn@...il.com>
---
arch/riscv/boot/dts/sophgo/Makefile | 1 +
.../boot/dts/sophgo/sg2042-sophgo-x4evb.dts | 235 ++++++++++++++++++
2 files changed, 236 insertions(+)
create mode 100644 arch/riscv/boot/dts/sophgo/sg2042-sophgo-x4evb.dts
diff --git a/arch/riscv/boot/dts/sophgo/Makefile b/arch/riscv/boot/dts/sophgo/Makefile
index ee6495065521..4d39e644c2d1 100644
--- a/arch/riscv/boot/dts/sophgo/Makefile
+++ b/arch/riscv/boot/dts/sophgo/Makefile
@@ -4,3 +4,4 @@ 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-sophgo-x8evb.dtb
+dtb-$(CONFIG_ARCH_SOPHGO) += sg2042-sophgo-x4evb.dtb
diff --git a/arch/riscv/boot/dts/sophgo/sg2042-sophgo-x4evb.dts b/arch/riscv/boot/dts/sophgo/sg2042-sophgo-x4evb.dts
new file mode 100644
index 000000000000..7165d49c3887
--- /dev/null
+++ b/arch/riscv/boot/dts/sophgo/sg2042-sophgo-x4evb.dts
@@ -0,0 +1,235 @@
+// 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 X4 EVB";
+ compatible = "sophgo,sg2042-x4evb", "sophgo,sg2042";
+
+ chosen {
+ stdout-path = "serial0";
+ };
+};
+
+&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";
+};
+
+/ {
+ 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>;
+ };
+ };
+ };
+ };
+};
--
2.47.2
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