--- /dev/null
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2020 David Bauer <mail@david-bauer.net>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
+#include "rk3328.dtsi"
+
+/ {
+ model = "FriendlyElec NanoPi R2S";
+ compatible = "friendlyarm,nanopi-r2s", "rockchip,rk3328";
+
+ chosen {
+ stdout-path = "serial2:1500000n8";
+ };
+
+ gmac_clk: gmac-clock {
+ compatible = "fixed-clock";
+ clock-frequency = <125000000>;
+ clock-output-names = "gmac_clkin";
+ #clock-cells = <0>;
+ };
+
+ keys {
+ compatible = "gpio-keys";
+ pinctrl-0 = <&reset_button_pin>;
+ pinctrl-names = "default";
+
+ reset {
+ label = "reset";
+ gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_RESTART>;
+ debounce-interval = <50>;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ pinctrl-0 = <&lan_led_pin>, <&sys_led_pin>, <&wan_led_pin>;
+ pinctrl-names = "default";
+
+ lan_led: led-0 {
+ gpios = <&gpio2 RK_PB7 GPIO_ACTIVE_HIGH>;
+ label = "nanopi-r2s:green:lan";
+ };
+
+ sys_led: led-1 {
+ gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_HIGH>;
+ label = "nanopi-r2s:red:sys";
+ };
+
+ wan_led: led-2 {
+ gpios = <&gpio2 RK_PC2 GPIO_ACTIVE_HIGH>;
+ label = "nanopi-r2s:green:wan";
+ };
+ };
+
+ vcc_io_sdio: sdmmcio-regulator {
+ compatible = "regulator-gpio";
+ enable-active-high;
+ gpios = <&gpio1 RK_PD4 GPIO_ACTIVE_HIGH>;
+ pinctrl-0 = <&sdio_vcc_pin>;
+ pinctrl-names = "default";
+ regulator-name = "vcc_io_sdio";
+ regulator-always-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-settling-time-us = <5000>;
+ regulator-type = "voltage";
+ startup-delay-us = <2000>;
+ states = <1800000 0x1
+ 3300000 0x0>;
+ vin-supply = <&vcc_io_33>;
+ };
+
+ vcc_sd: sdmmc-regulator {
+ compatible = "regulator-fixed";
+ gpio = <&gpio0 RK_PD6 GPIO_ACTIVE_LOW>;
+ pinctrl-0 = <&sdmmc0m1_gpio>;
+ pinctrl-names = "default";
+ regulator-name = "vcc_sd";
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vcc_io_33>;
+ };
+
+ vdd_5v: vdd-5v {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_5v";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ };
+};
+
+&cpu0 {
+ cpu-supply = <&vdd_arm>;
+};
+
+&cpu1 {
+ cpu-supply = <&vdd_arm>;
+};
+
+&cpu2 {
+ cpu-supply = <&vdd_arm>;
+};
+
+&cpu3 {
+ cpu-supply = <&vdd_arm>;
+};
+
+&gmac2io {
+ assigned-clocks = <&cru SCLK_MAC2IO>, <&cru SCLK_MAC2IO_EXT>;
+ assigned-clock-parents = <&gmac_clk>, <&gmac_clk>;
+ clock_in_out = "input";
+ phy-handle = <&rtl8211e>;
+ phy-mode = "rgmii";
+ phy-supply = <&vcc_io_33>;
+ pinctrl-0 = <&rgmiim1_pins>;
+ pinctrl-names = "default";
+ rx_delay = <0x18>;
+ snps,aal;
+ tx_delay = <0x24>;
+ status = "okay";
+
+ mdio {
+ compatible = "snps,dwmac-mdio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ rtl8211e: ethernet-phy@1 {
+ compatible = "ethernet-phy-id001c.c915",
+ "ethernet-phy-ieee802.3-c22";
+ reg = <1>;
+ pinctrl-0 = <ð_phy_reset_pin>;
+ pinctrl-names = "default";
+ reset-assert-us = <10000>;
+ reset-deassert-us = <50000>;
+ reset-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&i2c1 {
+ status = "okay";
+
+ rk805: pmic@18 {
+ compatible = "rockchip,rk805";
+ reg = <0x18>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
+ #clock-cells = <1>;
+ clock-output-names = "xin32k", "rk805-clkout2";
+ gpio-controller;
+ #gpio-cells = <2>;
+ pinctrl-0 = <&pmic_int_l>;
+ pinctrl-names = "default";
+ rockchip,system-power-controller;
+ wakeup-source;
+
+ vcc1-supply = <&vdd_5v>;
+ vcc2-supply = <&vdd_5v>;
+ vcc3-supply = <&vdd_5v>;
+ vcc4-supply = <&vdd_5v>;
+ vcc5-supply = <&vcc_io_33>;
+ vcc6-supply = <&vdd_5v>;
+
+ regulators {
+ vdd_log: DCDC_REG1 {
+ regulator-name = "vdd_log";
+ 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;
+ regulator-suspend-microvolt = <1000000>;
+ };
+ };
+
+ vdd_arm: DCDC_REG2 {
+ 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;
+ regulator-suspend-microvolt = <950000>;
+ };
+ };
+
+ vcc_ddr: DCDC_REG3 {
+ regulator-name = "vcc_ddr";
+ regulator-always-on;
+ regulator-boot-on;
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
+ };
+
+ vcc_io_33: DCDC_REG4 {
+ regulator-name = "vcc_io_33";
+ 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_18: LDO_REG1 {
+ regulator-name = "vcc_18";
+ 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>;
+ };
+ };
+
+ vcc18_emmc: LDO_REG2 {
+ regulator-name = "vcc18_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_10: LDO_REG3 {
+ regulator-name = "vdd_10";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1000000>;
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <1000000>;
+ };
+ };
+ };
+ };
+};
+
+&io_domains {
+ pmuio-supply = <&vcc_io_33>;
+ vccio1-supply = <&vcc_io_33>;
+ vccio2-supply = <&vcc18_emmc>;
+ vccio3-supply = <&vcc_io_sdio>;
+ vccio4-supply = <&vcc_18>;
+ vccio5-supply = <&vcc_io_33>;
+ vccio6-supply = <&vcc_io_33>;
+ status = "okay";
+};
+
+&pinctrl {
+ button {
+ reset_button_pin: reset-button-pin {
+ rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ ethernet-phy {
+ eth_phy_reset_pin: eth-phy-reset-pin {
+ rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_down>;
+ };
+ };
+
+ leds {
+ lan_led_pin: lan-led-pin {
+ rockchip,pins = <2 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ sys_led_pin: sys-led-pin {
+ rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ wan_led_pin: wan-led-pin {
+ rockchip,pins = <2 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ pmic {
+ pmic_int_l: pmic-int-l {
+ rockchip,pins = <1 RK_PD0 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+ };
+
+ sd {
+ sdio_vcc_pin: sdio-vcc-pin {
+ rockchip,pins = <1 RK_PD4 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+ };
+};
+
+&pwm2 {
+ status = "okay";
+};
+
+&sdmmc {
+ bus-width = <4>;
+ cap-sd-highspeed;
+ disable-wp;
+ pinctrl-0 = <&sdmmc0_clk>, <&sdmmc0_cmd>, <&sdmmc0_dectn>, <&sdmmc0_bus4>;
+ pinctrl-names = "default";
+ sd-uhs-sdr12;
+ sd-uhs-sdr25;
+ sd-uhs-sdr50;
+ sd-uhs-sdr104;
+ vmmc-supply = <&vcc_sd>;
+ vqmmc-supply = <&vcc_io_sdio>;
+ status = "okay";
+};
+
+&tsadc {
+ rockchip,hw-tshut-mode = <0>;
+ rockchip,hw-tshut-polarity = <0>;
+ status = "okay";
+};
+
+&u2phy {
+ status = "okay";
+};
+
+&u2phy_host {
+ status = "okay";
+};
+
+&u2phy_otg {
+ status = "okay";
+};
+
+&uart2 {
+ status = "okay";
+};
+
+&usb20_otg {
+ status = "okay";
+ dr_mode = "host";
+};
+
+&usb_host0_ehci {
+ status = "okay";
+};
+
+&usb_host0_ohci {
+ status = "okay";
+};
--- /dev/null
+CONFIG_ARM=y
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_SYS_TEXT_BASE=0x00200000
+CONFIG_SPL_GPIO_SUPPORT=y
+CONFIG_ENV_OFFSET=0x3F8000
+CONFIG_ROCKCHIP_RK3328=y
+CONFIG_TPL_ROCKCHIP_COMMON_BOARD=y
+CONFIG_TPL_LIBCOMMON_SUPPORT=y
+CONFIG_TPL_LIBGENERIC_SUPPORT=y
+CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
+CONFIG_SPL_STACK_R_ADDR=0x600000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_DEBUG_UART_BASE=0xFF130000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_SYSINFO=y
+CONFIG_DEBUG_UART=y
+CONFIG_TPL_SYS_MALLOC_F_LEN=0x800
+# CONFIG_ANDROID_BOOT_IMAGE is not set
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_SPL_LOAD_FIT=y
+CONFIG_DEFAULT_FDT_FILE="rockchip/rk3328-nanopi-r2s.dtb"
+CONFIG_MISC_INIT_R=y
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_DISPLAY_BOARDINFO_LATE=y
+# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
+CONFIG_TPL_SYS_MALLOC_SIMPLE=y
+CONFIG_SPL_STACK_R=y
+CONFIG_SPL_I2C_SUPPORT=y
+CONFIG_SPL_POWER_SUPPORT=y
+CONFIG_SPL_ATF=y
+CONFIG_SPL_ATF_NO_PLATFORM_PARAM=y
+CONFIG_CMD_BOOTZ=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_USB=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_TIME=y
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_TPL_OF_CONTROL=y
+CONFIG_DEFAULT_DEVICE_TREE="rk3328-nanopi-r2s"
+CONFIG_OF_SPL_REMOVE_PROPS="clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
+CONFIG_TPL_OF_PLATDATA=y
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_TPL_DM=y
+CONFIG_REGMAP=y
+CONFIG_SPL_REGMAP=y
+CONFIG_TPL_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_SPL_SYSCON=y
+CONFIG_TPL_SYSCON=y
+CONFIG_CLK=y
+CONFIG_SPL_CLK=y
+CONFIG_FASTBOOT_BUF_ADDR=0x800800
+CONFIG_FASTBOOT_CMD_OEM_FORMAT=y
+CONFIG_ROCKCHIP_GPIO=y
+CONFIG_SYS_I2C_ROCKCHIP=y
+CONFIG_MMC_DW=y
+CONFIG_MMC_DW_ROCKCHIP=y
+CONFIG_SF_DEFAULT_SPEED=20000000
+CONFIG_DM_ETH=y
+CONFIG_ETH_DESIGNWARE=y
+CONFIG_GMAC_ROCKCHIP=y
+CONFIG_PINCTRL=y
+CONFIG_SPL_PINCTRL=y
+CONFIG_DM_PMIC=y
+CONFIG_PMIC_RK8XX=y
+CONFIG_SPL_DM_REGULATOR=y
+CONFIG_REGULATOR_PWM=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_SPL_DM_REGULATOR_FIXED=y
+CONFIG_REGULATOR_RK8XX=y
+CONFIG_PWM_ROCKCHIP=y
+CONFIG_RAM=y
+CONFIG_SPL_RAM=y
+CONFIG_TPL_RAM=y
+CONFIG_DM_RESET=y
+CONFIG_BAUDRATE=1500000
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SYSRESET=y
+# CONFIG_TPL_SYSRESET is not set
+CONFIG_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_GENERIC=y
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_OHCI_GENERIC=y
+CONFIG_USB_DWC2=y
+CONFIG_USB_DWC3=y
+# CONFIG_USB_DWC3_GADGET is not set
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_DWC2_OTG=y
+CONFIG_SPL_TINY_MEMSET=y
+CONFIG_TPL_TINY_MEMSET=y
+CONFIG_ERRNO_STR=y