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Message-ID: <20250727144409.327740-4-jonas@kwiboo.se>
Date: Sun, 27 Jul 2025 14:44:03 +0000
From: Jonas Karlman <jonas@...boo.se>
To: Heiko Stuebner <heiko@...ech.de>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: Yao Zi <ziyao@...root.org>,
Chukun Pan <amadeus@....edu.cn>,
devicetree@...r.kernel.org,
linux-rockchip@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
Jonas Karlman <jonas@...boo.se>
Subject: [PATCH 3/3] arm64: dts: rockchip: Add Radxa E24C
The Radxa E24C is a compact, high-performance network computer
developed by Radxa, based on the Rockchip RK3528A SoC.
Add initial device tree for the Radxa E24C.
Signed-off-by: Jonas Karlman <jonas@...boo.se>
---
Schematics: https://dl.radxa.com/e/e24c/docs/radxa_e24c_v1200_schematic.pdf
---
arch/arm64/boot/dts/rockchip/Makefile | 1 +
.../boot/dts/rockchip/rk3528-radxa-e24c.dts | 519 ++++++++++++++++++
2 files changed, 520 insertions(+)
create mode 100644 arch/arm64/boot/dts/rockchip/rk3528-radxa-e24c.dts
diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index 0662fcf00628..dc62fd5305be 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -92,6 +92,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399pro-rock-pi-n10.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-armsom-sige1.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-nanopi-zero2.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-radxa-e20c.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-radxa-e24c.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-rock-2a.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-rock-2f.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3562-evb2-v10.dtb
diff --git a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e24c.dts b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e24c.dts
new file mode 100644
index 000000000000..225f2b0c5339
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e24c.dts
@@ -0,0 +1,519 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/dts-v1/;
+
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+#include "rk3528.dtsi"
+
+/ {
+ model = "Radxa E24C";
+ compatible = "radxa,e24c", "rockchip,rk3528";
+
+ aliases {
+ ethernet0 = &gmac1;
+ i2c0 = &i2c0;
+ i2c1 = &i2c1;
+ i2c5 = &i2c5;
+ mmc0 = &sdhci;
+ mmc1 = &sdmmc;
+ rtc0 = &hym8563;
+ rtc1 = &rk805;
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:1500000n8";
+ };
+
+ adc-keys {
+ compatible = "adc-keys";
+ io-channels = <&saradc 0>;
+ io-channel-names = "buttons";
+ keyup-threshold-microvolt = <1800000>;
+ poll-interval = <100>;
+
+ button-maskrom {
+ label = "MASKROM";
+ linux,code = <KEY_SETUP>;
+ press-threshold-microvolt = <0>;
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio0_a0_user>;
+
+ button-user {
+ gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_LOW>;
+ label = "USER";
+ linux,code = <BTN_1>;
+ wakeup-source;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led-0 {
+ color = <LED_COLOR_ID_GREEN>;
+ default-state = "on";
+ function = LED_FUNCTION_HEARTBEAT;
+ gpios = <&gpio4 RK_PA1 GPIO_ACTIVE_LOW>;
+ label = "SYS";
+ linux,default-trigger = "heartbeat";
+ pinctrl-names = "default";
+ pinctrl-0 = <&sys_led_g>;
+ };
+
+ led-1 {
+ color = <LED_COLOR_ID_GREEN>;
+ default-state = "off";
+ function = LED_FUNCTION_WAN;
+ gpios = <&gpio4 RK_PA0 GPIO_ACTIVE_HIGH>;
+ label = "WAN";
+ linux,default-trigger = "netdev";
+ pinctrl-names = "default";
+ pinctrl-0 = <&wan_led_g>;
+ };
+
+ led-2 {
+ color = <LED_COLOR_ID_GREEN>;
+ default-state = "off";
+ function = LED_FUNCTION_LAN;
+ gpios = <&gpio1 RK_PB0 GPIO_ACTIVE_HIGH>;
+ label = "LAN1";
+ linux,default-trigger = "netdev";
+ pinctrl-names = "default";
+ pinctrl-0 = <&lan1_led_g>;
+ };
+
+ led-3 {
+ color = <LED_COLOR_ID_GREEN>;
+ default-state = "off";
+ function = LED_FUNCTION_LAN;
+ gpios = <&gpio1 RK_PB1 GPIO_ACTIVE_HIGH>;
+ label = "LAN2";
+ linux,default-trigger = "netdev";
+ pinctrl-names = "default";
+ pinctrl-0 = <&lan2_led_g>;
+ };
+
+ led-4 {
+ color = <LED_COLOR_ID_GREEN>;
+ default-state = "off";
+ function = LED_FUNCTION_LAN;
+ gpios = <&gpio1 RK_PB4 GPIO_ACTIVE_HIGH>;
+ label = "LAN3";
+ linux,default-trigger = "netdev";
+ pinctrl-names = "default";
+ pinctrl-0 = <&lan3_led_g>;
+ };
+ };
+
+ vcc3v3_mkey: regulator-3v3-vcc-mkey {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpios = <&gpio4 RK_PC6 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&mkey_pwr_en>;
+ regulator-name = "vcc3v3_mkey";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
+ vcc5v0_sys: regulator-5v0-vcc-sys {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc5v0_sys";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ vin-supply = <&vcc_12v>;
+ };
+
+ vcc5v0_usb20: regulator-5v0-vcc-usb20 {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpios = <&gpio1 RK_PA3 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb_host_en>;
+ regulator-name = "vcc5v0_usb20";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
+ vcc_12v: regulator-12v0-vcc {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_12v";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <12000000>;
+ regulator-max-microvolt = <12000000>;
+ };
+
+ avddl_1v1: avddh_3v3: avdd_rtl8367rb: regulator-avdd-rtl8367rb {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpios = <&gpio1 RK_PC3 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio_8367_en>;
+ regulator-name = "avdd_rtl8367rb";
+ startup-delay-us = <10000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
+ vccio_sd: regulator-vccio-sd {
+ compatible = "regulator-gpio";
+ gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc_vol_ctrl_h>;
+ regulator-name = "vccio_sd";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ states = <1800000 0x0>, <3300000 0x1>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+};
+
+&cpu0 {
+ cpu-supply = <&vdd_arm>;
+};
+
+&cpu1 {
+ cpu-supply = <&vdd_arm>;
+};
+
+&cpu2 {
+ cpu-supply = <&vdd_arm>;
+};
+
+&cpu3 {
+ cpu-supply = <&vdd_arm>;
+};
+
+&gmac1 {
+ clock_in_out = "output";
+ phy-mode = "rgmii-id";
+ phy-supply = <&avdd_rtl8367rb>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&rgmii_miim>, <&rgmii_tx_bus2>, <&rgmii_rx_bus2>,
+ <&rgmii_rgmii_clk>, <&rgmii_rgmii_bus>, <&gmac1_rstn_l>;
+ status = "okay";
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
+};
+
+&gpu {
+ mali-supply = <&vdd_logic>;
+ status = "okay";
+};
+
+&i2c0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c0m0_xfer>;
+ status = "okay";
+
+ rk805: pmic@18 {
+ compatible = "rockchip,rk805";
+ reg = <0x18>;
+ interrupt-parent = <&gpio4>;
+ interrupts = <RK_PB2 IRQ_TYPE_LEVEL_LOW>;
+ #clock-cells = <1>;
+ clock-output-names = "rk805-clkout1", "rk805-clkout2";
+ gpio-controller;
+ #gpio-cells = <2>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pmic_int>;
+ system-power-controller;
+ wakeup-source;
+
+ vcc1-supply = <&vcc5v0_sys>;
+ vcc2-supply = <&vcc5v0_sys>;
+ vcc3-supply = <&vcc5v0_sys>;
+ vcc4-supply = <&vcc5v0_sys>;
+ vcc5-supply = <&vcc5v0_sys>;
+ vcc6-supply = <&vcc5v0_sys>;
+
+ regulators {
+ vdd_arm: DCDC_REG1 {
+ regulator-name = "vdd_arm";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <712500>;
+ regulator-max-microvolt = <1450000>;
+ regulator-ramp-delay = <12500>;
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
+ };
+
+ vdd_logic: DCDC_REG2 {
+ regulator-name = "vdd_logic";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <712500>;
+ regulator-max-microvolt = <1450000>;
+ regulator-ramp-delay = <12500>;
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
+ };
+
+ vcc_ddr: DCDC_REG3 {
+ regulator-name = "vcc_ddr";
+ regulator-always-on;
+ regulator-boot-on;
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
+ };
+
+ vcc_3v3: DCDC_REG4 {
+ regulator-name = "vcc_3v3";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <3300000>;
+ };
+ };
+
+ vcc_1v8: LDO_REG1 {
+ regulator-name = "vcc_1v8";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <1800000>;
+ };
+ };
+
+ vcc1v8_emmc: LDO_REG2 {
+ regulator-name = "vcc1v8_emmc";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <1800000>;
+ };
+ };
+
+ vdd_0v9_p: LDO_REG3 {
+ regulator-name = "vdd_0v9_p";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <900000>;
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <900000>;
+ };
+ };
+ };
+ };
+};
+
+&i2c1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1m0_xfer>;
+ status = "okay";
+
+ eeprom@50 {
+ compatible = "belling,bl24c16a", "atmel,24c16";
+ reg = <0x50>;
+ pagesize = <16>;
+ read-only;
+ vcc-supply = <&vcc_3v3>;
+ };
+};
+
+&i2c5 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c5m0_xfer>;
+ status = "okay";
+
+ hym8563: rtc@51 {
+ compatible = "haoyu,hym8563";
+ reg = <0x51>;
+ #clock-cells = <0>;
+ interrupt-parent = <&gpio4>;
+ interrupts = <RK_PB0 IRQ_TYPE_LEVEL_LOW>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&rtc_int_l>;
+ wakeup-source;
+ };
+};
+
+&mdio1 {
+ reset-delay-us = <25000>;
+ reset-gpios = <&gpio4 RK_PC2 GPIO_ACTIVE_LOW>;
+ reset-post-delay-us = <100000>;
+};
+
+&pinctrl {
+ ethernet {
+ gmac1_rstn_l: gmac1-rstn-l {
+ rockchip,pins = <4 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ gpio_8367_en: gpio-8367-en {
+ rockchip,pins = <1 RK_PC3 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ rtl8367rb_eint: rtl8367rb-eint {
+ rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+ };
+
+ gpio-keys {
+ gpio0_a0_user: gpio0-a0-user {
+ rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+ };
+
+ leds {
+ lan1_led_g: lan1-led-g {
+ rockchip,pins = <1 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ lan2_led_g: lan2-led-g {
+ rockchip,pins = <1 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ lan3_led_g: lan3-led-g {
+ rockchip,pins = <1 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ sys_led_g: sys-led-g {
+ rockchip,pins = <4 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ wan_led_g: wan-led-g {
+ rockchip,pins = <4 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ pcie {
+ mkey_pwr_en: mkey-pwr-en {
+ rockchip,pins = <4 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ pmic {
+ pmic_int: pmic-int {
+ rockchip,pins = <4 RK_PB2 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+ };
+
+ rtc {
+ rtc_int_l: rtc-int-l {
+ rockchip,pins = <4 RK_PB0 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+ };
+
+ sdmmc {
+ sdmmc_vol_ctrl_h: sdmmc-vol-ctrl-h {
+ rockchip,pins = <4 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ usb {
+ usb_host_en: usb-host-en {
+ rockchip,pins = <1 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+};
+
+&saradc {
+ vref-supply = <&vcc_1v8>;
+ status = "okay";
+};
+
+&sdhci {
+ bus-width = <8>;
+ cap-mmc-highspeed;
+ mmc-hs200-1_8v;
+ no-sd;
+ no-sdio;
+ non-removable;
+ vmmc-supply = <&vcc_3v3>;
+ vqmmc-supply = <&vcc1v8_emmc>;
+ status = "fail";
+};
+
+&sdmmc {
+ bus-width = <4>;
+ cap-mmc-highspeed;
+ cap-sd-highspeed;
+ disable-wp;
+ sd-uhs-sdr104;
+ vmmc-supply = <&vcc_3v3>;
+ vqmmc-supply = <&vccio_sd>;
+ status = "okay";
+};
+
+&sfc {
+ pinctrl-names = "default";
+ pinctrl-0 = <&fspi_csn0>, <&fspi_pins>;
+ status = "okay";
+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <50000000>;
+ spi-rx-bus-width = <4>;
+ spi-tx-bus-width = <1>;
+ vcc-supply = <&vcc1v8_emmc>;
+ };
+};
+
+&u2phy {
+ status = "okay";
+};
+
+&u2phy_host {
+ phy-supply = <&vcc5v0_usb20>;
+ status = "okay";
+};
+
+&u2phy_otg {
+ status = "okay";
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0m0_xfer>;
+ status = "okay";
+};
+
+&usb_host0_ehci {
+ status = "okay";
+};
+
+&usb_host0_xhci {
+ extcon = <&u2phy>;
+ maximum-speed = "high-speed";
+ phys = <&u2phy_otg>;
+ phy-names = "usb2-phy";
+ status = "okay";
+};
--
2.50.1
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