--- /dev/null
+--- /dev/null
++++ b/arch/arm/dts/rk3566-nanopi-r3s-u-boot.dtsi
+@@ -0,0 +1,25 @@
++// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
++/*
++ * Copyright (c) 2022 FriendlyElec Computer Tech. Co., Ltd.
++ * (http://www.friendlyelec.com)
++ *
++ * Copyright (c) 2023 Tianling Shen <cnsztl@gmail.com>
++ *
++ * Copyright (c) 2024 Kevin Zhang <kevin@kevinzhang.me>
++ */
++
++#include "rk356x-u-boot.dtsi"
++
++&sdhci {
++ cap-mmc-highspeed;
++ mmc-hs200-1_8v;
++ mmc-hs400-1_8v;
++ mmc-hs400-enhanced-strobe;
++ pinctrl-0 = <&emmc_bus8 &emmc_clk &emmc_cmd &emmc_datastrobe>;
++};
++
++&vcc5v0_usb {
++ /delete-property/ regulator-always-on;
++ /delete-property/ regulator-boot-on;
++};
++
+--- /dev/null
++++ b/configs/nanopi-r3s-rk3566_defconfig
+@@ -0,0 +1,73 @@
++CONFIG_ARM=y
++CONFIG_SKIP_LOWLEVEL_INIT=y
++CONFIG_SYS_HAS_NONCACHED_MEMORY=y
++CONFIG_COUNTER_FREQUENCY=24000000
++CONFIG_ARCH_ROCKCHIP=y
++CONFIG_DEFAULT_DEVICE_TREE="rk3566-nanopi-r3s"
++CONFIG_ROCKCHIP_RK3568=y
++CONFIG_TARGET_NANOPI_R3S_RK3566=y
++# CONFIG_OF_UPSTREAM is not set
++CONFIG_SPL_SERIAL=y
++CONFIG_DEBUG_UART_BASE=0xFE660000
++CONFIG_DEBUG_UART_CLOCK=24000000
++CONFIG_SYS_LOAD_ADDR=0xc00800
++CONFIG_PCI=y
++CONFIG_DEBUG_UART=y
++CONFIG_FIT=y
++CONFIG_FIT_VERBOSE=y
++CONFIG_SPL_FIT_SIGNATURE=y
++CONFIG_SPL_LOAD_FIT=y
++CONFIG_LEGACY_IMAGE_FORMAT=y
++CONFIG_DEFAULT_FDT_FILE="rockchip/rk3566-nanopi-r3s.dtb"
++# CONFIG_DISPLAY_CPUINFO is not set
++CONFIG_DISPLAY_BOARDINFO_LATE=y
++CONFIG_SPL_MAX_SIZE=0x40000
++CONFIG_SPL_PAD_TO=0x7f8000
++# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
++CONFIG_SPL_ATF=y
++CONFIG_CMD_GPIO=y
++CONFIG_CMD_GPT=y
++CONFIG_CMD_I2C=y
++CONFIG_CMD_MMC=y
++CONFIG_CMD_PCI=y
++CONFIG_CMD_USB=y
++CONFIG_CMD_PMIC=y
++CONFIG_CMD_REGULATOR=y
++# CONFIG_SPL_DOS_PARTITION is not set
++CONFIG_SPL_OF_CONTROL=y
++CONFIG_OF_LIVE=y
++CONFIG_OF_SPL_REMOVE_PROPS="clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
++CONFIG_SPL_DM_SEQ_ALIAS=y
++CONFIG_SPL_REGMAP=y
++CONFIG_SPL_SYSCON=y
++CONFIG_SPL_CLK=y
++CONFIG_ROCKCHIP_GPIO=y
++CONFIG_SYS_I2C_ROCKCHIP=y
++CONFIG_MISC=y
++CONFIG_SUPPORT_EMMC_RPMB=y
++CONFIG_MMC_DW=y
++CONFIG_MMC_DW_ROCKCHIP=y
++CONFIG_MMC_SDHCI=y
++CONFIG_MMC_SDHCI_SDMA=y
++CONFIG_MMC_SDHCI_ROCKCHIP=y
++CONFIG_PHY_REALTEK=y
++CONFIG_DWC_ETH_QOS=y
++CONFIG_DWC_ETH_QOS_ROCKCHIP=y
++CONFIG_RTL8169=y
++CONFIG_PCIE_DW_ROCKCHIP=y
++CONFIG_PHY_ROCKCHIP_INNO_USB2=y
++CONFIG_PHY_ROCKCHIP_NANENG_COMBOPHY=y
++CONFIG_SPL_PINCTRL=y
++CONFIG_DM_PMIC=y
++CONFIG_PMIC_RK8XX=y
++CONFIG_REGULATOR_RK8XX=y
++CONFIG_PWM_ROCKCHIP=y
++CONFIG_SPL_RAM=y
++CONFIG_BAUDRATE=1500000
++CONFIG_DEBUG_UART_SHIFT=2
++CONFIG_SYS_NS16550_MEM32=y
++CONFIG_SYSRESET=y
++CONFIG_USB=y
++CONFIG_USB_XHCI_HCD=y
++CONFIG_USB_DWC3=y
++CONFIG_USB_DWC3_GENERIC=y
+--- /dev/null
++++ b/arch/arm/dts/rk3566-nanopi-r3s.dts
+@@ -0,0 +1,554 @@
++// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
++/*
++ * Copyright (c) 2020 Rockchip Electronics Co., Ltd.
++ *
++ * Copyright (c) 2024 FriendlyElec Computer Tech. Co., Ltd.
++ * (http://www.friendlyelec.com)
++ *
++ * Copyright (c) 2024 Tianling Shen <cnsztl@gmail.com>
++ */
++
++/dts-v1/;
++#include <dt-bindings/gpio/gpio.h>
++#include <dt-bindings/input/input.h>
++#include <dt-bindings/leds/common.h>
++#include <dt-bindings/pinctrl/rockchip.h>
++#include <dt-bindings/soc/rockchip,vop2.h>
++#include "rk3566.dtsi"
++
++/ {
++ model = "FriendlyElec NanoPi R3S";
++ compatible = "friendlyarm,nanopi-r3s", "rockchip,rk3566";
++
++ aliases {
++ ethernet0 = &gmac1;
++ mmc0 = &sdhci;
++ mmc1 = &sdmmc0;
++ };
++
++ chosen: chosen {
++ stdout-path = "serial2:1500000n8";
++ };
++
++ gpio-keys {
++ compatible = "gpio-keys";
++ pinctrl-names = "default";
++ pinctrl-0 = <&reset_button_pin>;
++
++ button-reset {
++ label = "reset";
++ gpios = <&gpio0 RK_PC2 GPIO_ACTIVE_LOW>;
++ linux,code = <KEY_RESTART>;
++ debounce-interval = <50>;
++ };
++ };
++
++ gpio-leds {
++ compatible = "gpio-leds";
++ pinctrl-names = "default";
++ pinctrl-0 = <&power_led_pin>, <&lan_led_pin>, <&wan_led_pin>;
++
++ power_led: led-0 {
++ color = <LED_COLOR_ID_RED>;
++ function = LED_FUNCTION_POWER;
++ gpios = <&gpio0 RK_PB7 GPIO_ACTIVE_HIGH>;
++ default-state = "on";
++ };
++
++ lan_led: led-1 {
++ color = <LED_COLOR_ID_GREEN>;
++ function = LED_FUNCTION_LAN;
++ gpios = <&gpio3 RK_PC2 GPIO_ACTIVE_HIGH>;
++ };
++
++ wan_led: led-2 {
++ color = <LED_COLOR_ID_GREEN>;
++ function = LED_FUNCTION_WAN;
++ gpios = <&gpio3 RK_PC3 GPIO_ACTIVE_HIGH>;
++ };
++ };
++
++ vcc3v3_sys: regulator-vcc3v3-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-vcc5v0-sys {
++ compatible = "regulator-fixed";
++ regulator-name = "vcc5v0_sys";
++ regulator-always-on;
++ regulator-boot-on;
++ regulator-min-microvolt = <5000000>;
++ regulator-max-microvolt = <5000000>;
++ vin-supply = <&vdd_usbc>;
++ };
++
++ vcc5v0_usb: regulator-vcc5v0_usb {
++ compatible = "regulator-fixed";
++ enable-active-high;
++ gpio = <&gpio0 RK_PA6 GPIO_ACTIVE_HIGH>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&vcc5v0_usb_host_en>;
++ regulator-name = "vcc5v0_usb";
++ regulator-always-on;
++ regulator-boot-on;
++ regulator-min-microvolt = <5000000>;
++ regulator-max-microvolt = <5000000>;
++ vin-supply = <&vcc5v0_sys>;
++ };
++
++ vdd_usbc: regulator-vdd-usbc {
++ compatible = "regulator-fixed";
++ regulator-name = "vdd_usbc";
++ regulator-always-on;
++ regulator-boot-on;
++ regulator-min-microvolt = <5000000>;
++ regulator-max-microvolt = <5000000>;
++ };
++};
++
++&combphy1 {
++ status = "okay";
++};
++
++&combphy2 {
++ status = "okay";
++};
++
++&cpu0 {
++ cpu-supply = <&vdd_cpu>;
++};
++
++&cpu1 {
++ cpu-supply = <&vdd_cpu>;
++};
++
++&cpu2 {
++ cpu-supply = <&vdd_cpu>;
++};
++
++&cpu3 {
++ cpu-supply = <&vdd_cpu>;
++};
++
++&gmac1 {
++ assigned-clocks = <&cru SCLK_GMAC1_RX_TX>, <&cru SCLK_GMAC1>;
++ assigned-clock-parents = <&cru SCLK_GMAC1_RGMII_SPEED>, <&cru CLK_MAC1_2TOP>;
++ assigned-clock-rates = <0>, <125000000>;
++ clock_in_out = "output";
++ phy-mode = "rgmii-id";
++ phy-handle = <&rgmii_phy1>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&gmac1m0_miim
++ &gmac1m0_tx_bus2_level3
++ &gmac1m0_rx_bus2
++ &gmac1m0_rgmii_clk_level2
++ &gmac1m0_rgmii_bus_level3>;
++ status = "okay";
++};
++
++&gpu {
++ mali-supply = <&vdd_gpu>;
++ status = "okay";
++};
++
++&i2c0 {
++ status = "okay";
++
++ vdd_cpu: regulator@1c {
++ compatible = "tcs,tcs4525";
++ reg = <0x1c>;
++ fcs,suspend-voltage-selector = <1>;
++ regulator-name = "vdd_cpu";
++ regulator-always-on;
++ regulator-boot-on;
++ regulator-min-microvolt = <800000>;
++ regulator-max-microvolt = <1150000>;
++ regulator-ramp-delay = <2300>;
++ vin-supply = <&vcc5v0_sys>;
++
++ regulator-state-mem {
++ regulator-off-in-suspend;
++ };
++ };
++
++ rk809: pmic@20 {
++ compatible = "rockchip,rk809";
++ reg = <0x20>;
++ interrupt-parent = <&gpio0>;
++ interrupts = <RK_PA3 IRQ_TYPE_LEVEL_LOW>;
++ #clock-cells = <1>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&pmic_int>;
++ system-power-controller;
++ 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>;
++ wakeup-source;
++
++ regulators {
++ vdd_logic: DCDC_REG1 {
++ regulator-name = "vdd_logic";
++ regulator-always-on;
++ regulator-boot-on;
++ regulator-initial-mode = <0x2>;
++ regulator-min-microvolt = <500000>;
++ regulator-max-microvolt = <1350000>;
++ regulator-ramp-delay = <6001>;
++
++ regulator-state-mem {
++ regulator-off-in-suspend;
++ };
++ };
++
++ vdd_gpu: DCDC_REG2 {
++ regulator-name = "vdd_gpu";
++ regulator-always-on;
++ regulator-initial-mode = <0x2>;
++ regulator-min-microvolt = <500000>;
++ regulator-max-microvolt = <1350000>;
++ regulator-ramp-delay = <6001>;
++
++ regulator-state-mem {
++ regulator-off-in-suspend;
++ };
++ };
++
++ vcc_ddr: DCDC_REG3 {
++ regulator-name = "vcc_ddr";
++ regulator-always-on;
++ regulator-boot-on;
++ regulator-initial-mode = <0x2>;
++
++ regulator-state-mem {
++ regulator-on-in-suspend;
++ };
++ };
++
++ vdd_npu: DCDC_REG4 {
++ regulator-name = "vdd_npu";
++ regulator-initial-mode = <0x2>;
++ regulator-min-microvolt = <500000>;
++ regulator-max-microvolt = <1350000>;
++ regulator-ramp-delay = <6001>;
++
++ regulator-state-mem {
++ regulator-off-in-suspend;
++ };
++ };
++
++ 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;
++ };
++ };
++
++ vdda0v9_image: LDO_REG1 {
++ regulator-name = "vdda0v9_image";
++ regulator-min-microvolt = <950000>;
++ regulator-max-microvolt = <950000>;
++
++ regulator-state-mem {
++ regulator-off-in-suspend;
++ };
++ };
++
++ vdda_0v9: LDO_REG2 {
++ regulator-name = "vdda_0v9";
++ regulator-always-on;
++ regulator-boot-on;
++ regulator-min-microvolt = <900000>;
++ regulator-max-microvolt = <900000>;
++
++ regulator-state-mem {
++ regulator-off-in-suspend;
++ };
++ };
++
++ vdda0v9_pmu: LDO_REG3 {
++ regulator-name = "vdda0v9_pmu";
++ 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>;
++ };
++ };
++
++ vccio_acodec: LDO_REG4 {
++ regulator-name = "vccio_acodec";
++ regulator-min-microvolt = <3300000>;
++ regulator-max-microvolt = <3300000>;
++
++ regulator-state-mem {
++ regulator-off-in-suspend;
++ };
++ };
++
++ vccio_sd: LDO_REG5 {
++ regulator-name = "vccio_sd";
++ regulator-min-microvolt = <1800000>;
++ regulator-max-microvolt = <3300000>;
++
++ regulator-state-mem {
++ regulator-off-in-suspend;
++ };
++ };
++
++ vcc3v3_pmu: LDO_REG6 {
++ regulator-name = "vcc3v3_pmu";
++ 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>;
++ };
++ };
++
++ vcca_1v8: LDO_REG7 {
++ regulator-name = "vcca_1v8";
++ regulator-always-on;
++ regulator-boot-on;
++ regulator-min-microvolt = <1800000>;
++ regulator-max-microvolt = <1800000>;
++
++ regulator-state-mem {
++ regulator-off-in-suspend;
++ };
++ };
++
++ vcca1v8_pmu: LDO_REG8 {
++ regulator-name = "vcca1v8_pmu";
++ 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>;
++ };
++ };
++
++ vcca1v8_image: LDO_REG9 {
++ regulator-name = "vcca1v8_image";
++ 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;
++ };
++ };
++ };
++ };
++};
++
++&i2c1 {
++ status = "okay";
++
++ hym8563: rtc@51 {
++ compatible = "haoyu,hym8563";
++ reg = <0x51>;
++ #clock-cells = <0>;
++ clock-output-names = "hym8563";
++ pinctrl-names = "default";
++ pinctrl-0 = <&hym8563_int>;
++ interrupt-parent = <&gpio0>;
++ interrupts = <RK_PD3 IRQ_TYPE_LEVEL_LOW>;
++ wakeup-source;
++ };
++};
++
++&mdio1 {
++ rgmii_phy1: ethernet-phy@1 {
++ compatible = "ethernet-phy-ieee802.3-c22";
++ reg = <1>;
++ interrupt-parent = <&gpio4>;
++ interrupts = <RK_PC3 IRQ_TYPE_LEVEL_LOW>;
++ pinctrl-names = "default";
++ pinctrl-0 = <ð_phy_reset_pin>;
++ reset-assert-us = <20000>;
++ reset-deassert-us = <100000>;
++ reset-gpios = <&gpio4 RK_PC2 GPIO_ACTIVE_LOW>;
++ };
++};
++
++&pcie2x1 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&pcie_reset_h>;
++ reset-gpios = <&gpio4 RK_PC6 GPIO_ACTIVE_HIGH>;
++ status = "okay";
++};
++
++&pinctrl {
++ gpio-leds {
++ lan_led_pin: lan-led-pin {
++ rockchip,pins = <3 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
++ };
++
++ power_led_pin: power-led-pin {
++ rockchip,pins = <0 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
++ };
++
++ wan_led_pin: wan-led-pin {
++ rockchip,pins = <3 RK_PC3 RK_FUNC_GPIO &pcfg_pull_none>;
++ };
++ };
++
++ gmac {
++ eth_phy_reset_pin: eth-phy-reset-pin {
++ rockchip,pins = <4 RK_PC2 RK_FUNC_GPIO &pcfg_pull_up>;
++ };
++ };
++
++ pcie {
++ pcie_reset_h: pcie-reset-h {
++ rockchip,pins = <4 RK_PC6 RK_FUNC_GPIO &pcfg_pull_down>;
++ };
++ };
++
++ pmic {
++ pmic_int: pmic-int {
++ rockchip,pins = <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>;
++ };
++ };
++
++ rockchip-key {
++ reset_button_pin: reset-button-pin {
++ rockchip,pins = <0 RK_PC2 RK_FUNC_GPIO &pcfg_pull_up>;
++ };
++ };
++
++ rtc {
++ hym8563_int: hym8563-int {
++ rockchip,pins = <0 RK_PD3 RK_FUNC_GPIO &pcfg_pull_up>;
++ };
++ };
++
++ usb {
++ vcc5v0_usb_host_en: vcc5v0-usb-host-en {
++ rockchip,pins = <0 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>;
++ };
++ };
++};
++
++&pmu_io_domains {
++ pmuio1-supply = <&vcc3v3_pmu>;
++ pmuio2-supply = <&vcc3v3_pmu>;
++ vccio1-supply = <&vccio_acodec>;
++ vccio2-supply = <&vcc_1v8>;
++ vccio3-supply = <&vccio_sd>;
++ vccio4-supply = <&vcc_3v3>;
++ vccio5-supply = <&vcc_1v8>;
++ vccio6-supply = <&vcc_3v3>;
++ vccio7-supply = <&vcc_3v3>;
++ status = "okay";
++};
++
++&sdhci {
++ bus-width = <8>;
++ max-frequency = <200000000>;
++ mmc-hs200-1_8v;
++ non-removable;
++ pinctrl-names = "default";
++ pinctrl-0 = <&emmc_bus8 &emmc_clk &emmc_cmd &emmc_datastrobe>;
++ status = "okay";
++};
++
++&sdmmc0 {
++ bus-width = <4>;
++ cap-mmc-highspeed;
++ cap-sd-highspeed;
++ disable-wp;
++ no-sdio;
++ no-mmc;
++ pinctrl-names = "default";
++ pinctrl-0 = <&sdmmc0_bus4 &sdmmc0_clk &sdmmc0_cmd &sdmmc0_det>;
++ sd-uhs-sdr50;
++ vmmc-supply = <&vcc3v3_sd>;
++ vqmmc-supply = <&vccio_sd>;
++ status = "okay";
++};
++
++&tsadc {
++ status = "okay";
++};
++
++&uart2 {
++ status = "okay";
++};
++
++&usb2phy0 {
++ status = "okay";
++};
++
++&usb2phy0_host {
++ phy-supply = <&vcc5v0_usb>;
++ status = "okay";
++};
++
++&usb2phy0_otg {
++ status = "okay";
++};
++
++&usb_host0_xhci {
++ extcon = <&usb2phy0>;
++ status = "okay";
++};
++
++&usb_host1_xhci {
++ status = "okay";
++};
++
++&vop {
++ assigned-clocks = <&cru DCLK_VOP0>, <&cru DCLK_VOP1>;
++ assigned-clock-parents = <&pmucru PLL_HPLL>, <&cru PLL_VPLL>;
++ status = "okay";
++};
++
++&vop_mmu {
++ status = "okay";
++};