--- /dev/null
+From df056584b1825957ad118b6c1084aae00b1fa0b7 Mon Sep 17 00:00:00 2001
+From: Chukun Pan <amadeus@jmu.edu.cn>
+Date: Wed, 3 Dec 2025 20:03:22 +0800
+Subject: [PATCH] board: rockchip: add HINLINK H28K
+
+The HINLINK H28K is a single board computer based on the
+RK3528 SoC. Add support for the HINLINK H28K board.
+
+Features tested on HINLINK H28K:
+- SD-card boot
+- eMMC boot
+- Ethernet
+
+Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
+---
+
+--- /dev/null
++++ b/arch/arm/dts/rk3528-hinlink-h28k-u-boot.dtsi
+@@ -0,0 +1,11 @@
++// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
++
++#include "rk3528-u-boot.dtsi"
++
++&vdd_arm {
++ regulator-init-microvolt = <953000>;
++};
++
++&vdd_logic {
++ regulator-init-microvolt = <900000>;
++};
+--- /dev/null
++++ b/configs/hinlink-h28k-rk3528_defconfig
+@@ -0,0 +1,64 @@
++CONFIG_ARM=y
++CONFIG_SKIP_LOWLEVEL_INIT=y
++CONFIG_COUNTER_FREQUENCY=24000000
++CONFIG_ARCH_ROCKCHIP=y
++CONFIG_DEFAULT_DEVICE_TREE="rockchip/rk3528-hinlink-h28k"
++CONFIG_ROCKCHIP_RK3528=y
++CONFIG_SYS_LOAD_ADDR=0xc00800
++CONFIG_DEBUG_UART_BASE=0xFF9F0000
++CONFIG_DEBUG_UART_CLOCK=24000000
++CONFIG_DEBUG_UART=y
++CONFIG_DEFAULT_FDT_FILE="rockchip/rk3528-hinlink-h28k.dtb"
++# CONFIG_DISPLAY_CPUINFO is not set
++CONFIG_BOARD_RNG_SEED=y
++CONFIG_SPL_MAX_SIZE=0x40000
++# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
++CONFIG_CMD_MEMINFO=y
++CONFIG_CMD_MEMINFO_MAP=y
++CONFIG_CMD_ADC=y
++CONFIG_CMD_GPIO=y
++CONFIG_CMD_GPT=y
++CONFIG_CMD_MISC=y
++CONFIG_CMD_MMC=y
++CONFIG_CMD_USB=y
++CONFIG_CMD_ROCKUSB=y
++CONFIG_CMD_USB_MASS_STORAGE=y
++# CONFIG_CMD_SETEXPR is not set
++CONFIG_CMD_RNG=y
++CONFIG_CMD_REGULATOR=y
++# CONFIG_SPL_DOS_PARTITION is not set
++CONFIG_OF_SPL_REMOVE_PROPS="clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
++CONFIG_BUTTON=y
++CONFIG_BUTTON_ADC=y
++# CONFIG_USB_FUNCTION_FASTBOOT is not set
++CONFIG_ROCKCHIP_GPIO=y
++CONFIG_LED=y
++CONFIG_LED_GPIO=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_DM_MDIO=y
++CONFIG_DWC_ETH_QOS=y
++CONFIG_DWC_ETH_QOS_ROCKCHIP=y
++CONFIG_PHY_ROCKCHIP_INNO_USB2=y
++CONFIG_PHY_ROCKCHIP_NANENG_COMBOPHY=y
++CONFIG_REGULATOR_PWM=y
++CONFIG_DM_REGULATOR_GPIO=y
++CONFIG_PWM_ROCKCHIP=y
++CONFIG_BAUDRATE=1500000
++CONFIG_DEBUG_UART_SHIFT=2
++CONFIG_SYS_NS16550_MEM32=y
++CONFIG_USB=y
++CONFIG_USB_XHCI_HCD=y
++CONFIG_USB_EHCI_HCD=y
++CONFIG_USB_EHCI_GENERIC=y
++CONFIG_USB_DWC3=y
++CONFIG_USB_DWC3_GENERIC=y
++CONFIG_USB_GADGET=y
++CONFIG_USB_GADGET_DOWNLOAD=y
++CONFIG_USB_FUNCTION_ROCKUSB=y
++CONFIG_ERRNO_STR=y
+--- /dev/null
++++ b/dts/upstream/src/arm64/rockchip/rk3528-hinlink-h28k.dts
+@@ -0,0 +1,278 @@
++// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
++
++/dts-v1/;
++
++#include <dt-bindings/input/input.h>
++#include <dt-bindings/leds/common.h>
++#include <dt-bindings/pwm/pwm.h>
++#include "rk3528.dtsi"
++
++/ {
++ model = "HINLINK H28K";
++ compatible = "hinlink,h28k", "rockchip,rk3528";
++
++ aliases {
++ ethernet0 = &gmac1;
++ mmc0 = &sdhci;
++ mmc1 = &sdmmc;
++ serial0 = &uart0;
++ };
++
++ chosen {
++ stdout-path = "serial0:1500000n8";
++ };
++
++ keys {
++ compatible = "adc-keys";
++ io-channels = <&saradc 0>;
++ io-channel-names = "buttons";
++ keyup-threshold-microvolt = <1800000>;
++ poll-interval = <100>;
++
++ button-boot {
++ label = "BOOT";
++ linux,code = <KEY_SETUP>;
++ press-threshold-microvolt = <0>;
++ };
++ };
++
++ leds {
++ compatible = "gpio-leds";
++ pinctrl-names = "default";
++ pinctrl-0 = <&lan_led>, <&wan_led>, <&work_led>;
++
++ led-0 {
++ color = <LED_COLOR_ID_AMBER>;
++ function = LED_FUNCTION_LAN;
++ gpios = <&gpio4 RK_PC1 GPIO_ACTIVE_LOW>;
++ linux,default-trigger = "netdev";
++ };
++
++ led-1 {
++ color = <LED_COLOR_ID_BLUE>;
++ function = LED_FUNCTION_WAN;
++ gpios = <&gpio4 RK_PC0 GPIO_ACTIVE_LOW>;
++ linux,default-trigger = "netdev";
++ };
++
++ led-2 {
++ color = <LED_COLOR_ID_GREEN>;
++ function = LED_FUNCTION_STATUS;
++ gpios = <&gpio4 RK_PB7 GPIO_ACTIVE_LOW>;
++ linux,default-trigger = "default-on";
++ };
++ };
++
++ vdd_0v9: regulator-0v9-vdd {
++ compatible = "regulator-fixed";
++ regulator-name = "vdd_0v9";
++ regulator-always-on;
++ regulator-boot-on;
++ regulator-min-microvolt = <900000>;
++ regulator-max-microvolt = <900000>;
++ vin-supply = <&vcc5v0_sys>;
++ };
++
++ vcc_ddr: regulator-1v1-vcc-ddr {
++ compatible = "regulator-fixed";
++ regulator-name = "vcc_ddr";
++ regulator-always-on;
++ regulator-boot-on;
++ regulator-min-microvolt = <1100000>;
++ regulator-max-microvolt = <1100000>;
++ vin-supply = <&vcc5v0_sys>;
++ };
++
++ vcc_1v8: regulator-1v8-vcc {
++ compatible = "regulator-fixed";
++ regulator-name = "vcc_1v8";
++ regulator-always-on;
++ regulator-boot-on;
++ regulator-min-microvolt = <1800000>;
++ regulator-max-microvolt = <1800000>;
++ vin-supply = <&vcc_3v3>;
++ };
++
++ vcc_3v3: regulator-3v3-vcc {
++ compatible = "regulator-fixed";
++ regulator-name = "vcc_3v3";
++ regulator-always-on;
++ regulator-boot-on;
++ regulator-min-microvolt = <3300000>;
++ regulator-max-microvolt = <3300000>;
++ vin-supply = <&vcc5v0_sys>;
++ };
++
++ vcc3v3_sd: regulator-3v3-vcc-sd {
++ compatible = "regulator-fixed";
++ gpios = <&gpio4 RK_PA1 GPIO_ACTIVE_LOW>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&sdmmc_pwren_l>;
++ regulator-name = "vcc3v3_sd";
++ regulator-min-microvolt = <3300000>;
++ regulator-max-microvolt = <3300000>;
++ vin-supply = <&vcc_3v3>;
++ };
++
++ 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>;
++ };
++
++ 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>;
++ };
++
++ vdd_arm: regulator-vdd-arm {
++ compatible = "pwm-regulator";
++ pwms = <&pwm1 0 5000 PWM_POLARITY_INVERTED>;
++ pwm-supply = <&vcc5v0_sys>;
++ regulator-name = "vdd_arm";
++ regulator-always-on;
++ regulator-boot-on;
++ regulator-min-microvolt = <746000>;
++ regulator-max-microvolt = <1201000>;
++ regulator-settling-time-up-us = <250>;
++ };
++
++ vdd_logic: regulator-vdd-logic {
++ compatible = "pwm-regulator";
++ pwms = <&pwm2 0 5000 PWM_POLARITY_INVERTED>;
++ pwm-supply = <&vcc5v0_sys>;
++ regulator-name = "vdd_logic";
++ regulator-always-on;
++ regulator-boot-on;
++ regulator-min-microvolt = <705000>;
++ regulator-max-microvolt = <1006000>;
++ regulator-settling-time-up-us = <250>;
++ };
++};
++
++&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-handle = <&rgmii_phy>;
++ phy-mode = "rgmii-id";
++ phy-supply = <&vcc_3v3>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&rgmii_miim>,
++ <&rgmii_tx_bus2>,
++ <&rgmii_rx_bus2>,
++ <&rgmii_rgmii_clk>,
++ <&rgmii_rgmii_bus>;
++ status = "okay";
++};
++
++&mdio1 {
++ rgmii_phy: ethernet-phy@1 {
++ compatible = "ethernet-phy-ieee802.3-c22";
++ reg = <0x1>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&gmac1_rstn_l>;
++ reset-assert-us = <20000>;
++ reset-deassert-us = <100000>;
++ reset-gpios = <&gpio4 RK_PC2 GPIO_ACTIVE_LOW>;
++ };
++};
++
++&pinctrl {
++ gmac {
++ gmac1_rstn_l: gmac1-rstn-l {
++ rockchip,pins = <4 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
++ };
++ };
++
++ leds {
++ lan_led: lan-led {
++ rockchip,pins = <4 RK_PC1 RK_FUNC_GPIO &pcfg_pull_none>;
++ };
++
++ wan_led: wan-led {
++ rockchip,pins = <4 RK_PC0 RK_FUNC_GPIO &pcfg_pull_none>;
++ };
++
++ work_led: work-led {
++ rockchip,pins = <4 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
++ };
++ };
++
++ sdmmc {
++ sdmmc_pwren_l: sdmmc-pwren-l {
++ rockchip,pins = <4 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
++ };
++
++ sdmmc_vol_ctrl_h: sdmmc-vol-ctrl-h {
++ rockchip,pins = <4 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
++ };
++ };
++};
++
++&pwm1 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&pwm1m0_pins>;
++ status = "okay";
++};
++
++&pwm2 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&pwm2m0_pins>;
++ status = "okay";
++};
++
++&saradc {
++ vref-supply = <&vcc_1v8>;
++ status = "okay";
++};
++
++&sdhci {
++ bus-width = <8>;
++ cap-mmc-highspeed;
++ mmc-hs200-1_8v;
++ non-removable;
++ vmmc-supply = <&vcc_3v3>;
++ vqmmc-supply = <&vcc_1v8>;
++ status = "okay";
++};
++
++&sdmmc {
++ bus-width = <4>;
++ cap-sd-highspeed;
++ disable-wp;
++ sd-uhs-sdr104;
++ vmmc-supply = <&vcc3v3_sd>;
++ vqmmc-supply = <&vccio_sd>;
++ status = "okay";
++};
++
++&uart0 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&uart0m0_xfer>;
++ status = "okay";
++};
projects / thirdparty / openwrt.git / commitdiff
