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Message-ID: <20251114154617.69950-3-michael.opdenacker@rootcommit.com>
Date: Fri, 14 Nov 2025 15:46:56 +0000 (UTC)
From: michael.opdenacker@...tcommit.com
To: robh@...nel.org,
krzk+dt@...nel.org,
conor+dt@...nel.org,
heiko@...ech.de,
dsimic@...jaro.org
Cc: devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org,
linux-kernel@...r.kernel.org,
Michael Opdenacker <michael.opdenacker@...tcommit.com>
Subject: [PATCH v2 2/2] arm64: dts: rockchip: Add Asus Tinker Board 3 and 3S device tree
From: Michael Opdenacker <michael.opdenacker@...tcommit.com>
Add initial device tree support for Asus Tinker Board 3 [1] and 3S [2],
which are SBCs based on the Rockchip 3566 SoC.
The "3S" version ("S" for "storage") just adds a 16 GB eMMC
and a "mask ROM" DIP switch (to mask the eMMC and enter "Mask ROM"
mode for recovery) to the "3" version.
This adds support for:
- Debug UART (/dev/ttyS2)
- SD card (/dev/mmcblk1)
- eMMC (/dev/mmcblk0, only on Tinker Board 3S)
- I2C:
- i2c0 (internal bus with a PMIC and regulators)
- i2c2 (internal bus with an at24 eeprom and an RTC device)
- USB 2.0 ports
- 2 GPIO LEDS
[1] https://tinker-board.asus.com/series/tinker-board-3.html
[2] https://tinker-board.asus.com/series/tinker-board-3s.html
Signed-off-by: Michael Opdenacker <michael.opdenacker@...tcommit.com>
---
arch/arm64/boot/dts/rockchip/Makefile | 2 +
.../dts/rockchip/rk3566-tinker-board-3.dts | 14 +
.../dts/rockchip/rk3566-tinker-board-3.dtsi | 280 ++++++++++++++++++
.../dts/rockchip/rk3566-tinker-board-3s.dts | 30 ++
4 files changed, 326 insertions(+)
create mode 100644 arch/arm64/boot/dts/rockchip/rk3566-tinker-board-3.dts
create mode 100644 arch/arm64/boot/dts/rockchip/rk3566-tinker-board-3.dtsi
create mode 100644 arch/arm64/boot/dts/rockchip/rk3566-tinker-board-3s.dts
diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index ad684e3831bc..e0d8b9ed176d 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -130,6 +130,8 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-lubancat-1.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-nanopi-r3s.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-bigtreetech-cb2-manta.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-bigtreetech-pi2.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-tinker-board-3.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-tinker-board-3s.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-bpi-r2-pro.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-evb1-v10.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-fastrhino-r66s.dtb
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-tinker-board-3.dts b/arch/arm64/boot/dts/rockchip/rk3566-tinker-board-3.dts
new file mode 100644
index 000000000000..af11faff5564
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3566-tinker-board-3.dts
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2025 Michael Opdenacker <michael.opdenacker@...tcommit.com>
+ */
+
+/dts-v1/;
+
+#include "rk3566-tinker-board-3.dtsi"
+
+/ {
+ model = "Asus Tinker Board 3";
+ compatible = "asus,rk3566-tinker-board-3", "rockchip,rk3566";
+};
+
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-tinker-board-3.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-tinker-board-3.dtsi
new file mode 100644
index 000000000000..8544d56031f2
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3566-tinker-board-3.dtsi
@@ -0,0 +1,280 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2025 Michael Opdenacker <michael.opdenacker@...tcommit.com>
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+#include <dt-bindings/soc/rockchip,vop2.h>
+#include "rk3566.dtsi"
+
+/ {
+ aliases {
+ i2c0 = &i2c0;
+ i2c2 = &i2c2;
+ mmc1 = &sdmmc0;
+ serial2 = &uart2;
+ };
+
+ chosen {
+ stdout-path = "serial2:1500000n8";
+ };
+
+ gpio_leds: gpio-leds {
+ compatible = "gpio-leds";
+
+ act-led {
+ gpios = <&gpio0 RK_PD4 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger="mmc1";
+ };
+
+ rsv-led {
+ gpios = <&gpio0 RK_PD6 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger="none";
+ };
+ };
+
+ vcc3v3_sys: regulator-3v3-vcc-sys {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc3v3_sys";
+ regulator-always-on;
+ regulator-boot-on;
+ 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>;
+ };
+
+ vcc5v0_usb_host: regulator-5v0-vcc-usb-host {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb_host_pwren_h>;
+ regulator-name = "vcc5v0_usb_host";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+};
+
+&cpu0 {
+ cpu-supply = <&vdd_cpu>;
+};
+
+&cpu1 {
+ cpu-supply = <&vdd_cpu>;
+};
+
+&cpu2 {
+ cpu-supply = <&vdd_cpu>;
+};
+
+&cpu3 {
+ cpu-supply = <&vdd_cpu>;
+};
+
+&i2c0 {
+ status = "okay";
+
+ rk809: pmic@20 {
+ compatible = "rockchip,rk809";
+ reg = <0x20>;
+ assigned-clocks = <&cru I2S1_MCLKOUT_TX>;
+ assigned-clock-parents = <&cru CLK_I2S1_8CH_TX>;
+ #clock-cells = <1>;
+ clocks = <&cru I2S1_MCLKOUT_TX>;
+ clock-names = "mclk";
+ clock-output-names = "rk809-clkout1", "rk809-clkout2";
+ interrupt-parent = <&gpio0>;
+ interrupts = <RK_PA3 IRQ_TYPE_LEVEL_LOW>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pmic_int_l>, <&i2s1m0_mclk>;
+ #sound-dai-cells = <0>;
+ system-power-controller;
+ wakeup-source;
+
+ vcc1-supply = <&vcc3v3_sys>;
+ vcc2-supply = <&vcc3v3_sys>;
+ vcc3-supply = <&vcc3v3_sys>;
+ vcc4-supply = <&vcc3v3_sys>;
+ vcc5-supply = <&vcc3v3_sys>;
+ vcc6-supply = <&vcc3v3_sys>;
+ vcc7-supply = <&vcc3v3_sys>;
+ vcc8-supply = <&vcc3v3_sys>;
+ vcc9-supply = <&vcc3v3_sys>;
+
+ regulators {
+ vcc_1v8: DCDC_REG5 {
+ regulator-name = "vcc_1v8";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vcc_3v3: SWITCH_REG1 {
+ regulator-name = "vcc_3v3";
+ regulator-always-on;
+ regulator-boot-on;
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vcc3v3_sd: SWITCH_REG2 {
+ regulator-name = "vcc3v3_sd";
+ regulator-always-on;
+ regulator-boot-on;
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vccio_sd: LDO_REG5 {
+ regulator-name = "vccio_sd";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+ };
+ };
+
+ vdd_cpu: regulator@40 {
+ compatible = "silergy,syr827";
+ reg = <0x40>;
+ fcs,suspend-voltage-selector = <1>;
+ regulator-name = "vdd_cpu";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <830000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-ramp-delay = <2300>;
+ vin-supply = <&vcc3v3_sys>;
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+};
+
+&i2c2 {
+ status = "okay";
+
+ eeprom@50 {
+ compatible = "atmel,24c08";
+ reg = <0x50>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&tb3_eeprom>;
+ status = "okay";
+ };
+
+ rtc_isl1208: rtc@6f {
+ compatible = "isil,isl1208";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_externalrtc_reg>;
+ interrupt-names = "irq";
+ interrupts-extended = <&gpio0 RK_PD3 IRQ_TYPE_EDGE_FALLING>;
+ reg = <0x6f>;
+ status = "okay";
+ };
+};
+
+&pinctrl {
+ pmic {
+ pmic_int_l: pmic-int-l {
+ rockchip,pins = <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+ };
+
+ usb {
+ usb_host_pwren_h: usb-host-pwren-h {
+ rockchip,pins = <0 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ usb_otg_pwren_h: usb-otg-pwren-h {
+ rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ rtc {
+ pinctrl_externalrtc_reg: externalrtcreggrp {
+ rockchip,pins = <0 RK_PD3 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+ };
+
+ eeprom {
+ tb3_eeprom: tb3-eeprom {
+ rockchip,pins = <3 RK_PC1 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+ };
+};
+
+&sdmmc0 {
+ bus-width = <4>;
+ cap-sd-highspeed;
+ disable-wp;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc0_bus4 &sdmmc0_clk &sdmmc0_cmd &sdmmc0_det>;
+ vmmc-supply = <&vcc3v3_sd>;
+ vqmmc-supply = <&vccio_sd>;
+ status = "okay";
+};
+
+&uart2 {
+ status = "okay";
+};
+
+&usb_host0_ehci {
+ status = "okay";
+};
+
+&usb_host0_ohci {
+ status = "okay";
+};
+
+&usb_host1_ehci {
+ status = "okay";
+};
+
+&usb_host1_ohci {
+ status = "okay";
+};
+
+&usb2phy0 {
+ status = "okay";
+};
+
+&usb2phy0_host {
+ phy-supply = <&vcc5v0_usb_host>;
+ status = "okay";
+};
+
+&usb2phy1 {
+ status = "okay";
+};
+
+&usb2phy1_host {
+ phy-supply = <&vcc5v0_usb_host>;
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-tinker-board-3s.dts b/arch/arm64/boot/dts/rockchip/rk3566-tinker-board-3s.dts
new file mode 100644
index 000000000000..7bd1e31fdc57
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3566-tinker-board-3s.dts
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2025 Michael Opdenacker <michael.opdenacker@...tcommit.com>
+ */
+
+/dts-v1/;
+
+#include "rk3566-tinker-board-3.dtsi"
+
+/ {
+ model = "Asus Tinker Board 3S";
+ compatible = "asus,rk3566-tinker-board-3s", "asus,rk3566-tinker-board-3", "rockchip,rk3566";
+
+ aliases {
+ mmc0 = &sdhci;
+ };
+};
+
+&sdhci {
+ bus-width = <8>;
+ cap-mmc-highspeed;
+ max-frequency = <200000000>;
+ mmc-hs200-1_8v;
+ non-removable;
+ pinctrl-names = "default";
+ pinctrl-0 = <&emmc_bus8 &emmc_clk &emmc_cmd &emmc_datastrobe>;
+ vmmc-supply = <&vcc_3v3>;
+ vqmmc-supply = <&vcc_1v8>;
+ status = "okay";
+};
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