new file mode 100644
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019 Levin Du <djw@t-chip.com.cn>
+ */
+
+#include "rk3399-u-boot.dtsi"
+#include "rk3399-sdram-lpddr4-100.dtsi"
+
+/ {
+ aliases {
+ spi0 = &spi1;
+ };
+
+ chosen {
+ u-boot,spl-boot-order = "same-as-spl", &sdhci, &sdmmc;
+ };
+
+ config {
+ pcie-pwr-gpio = <&gpio2 RK_PD2 GPIO_ACTIVE_HIGH>;
+ };
+};
+
+&vdd_log {
+ regulator-min-microvolt = <430000>;
+ regulator-init-microvolt = <950000>;
+};
@@ -1,6 +1,8 @@
ROC-RK3399-PC
M: Levin Du <djw@t-chip.com.cn>
+M: Suniel Mahesh <sunil@amarulasolutions.com>
S: Maintained
F: board/firefly/roc-pc-rk3399
F: include/configs/roc-pc-rk3399.h
F: configs/roc-pc-rk3399_defconfig
+F: configs/roc-pc-mezzanine-rk3399_defconfig
new file mode 100644
@@ -0,0 +1,67 @@
+CONFIG_ARM=y
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_SYS_TEXT_BASE=0x00200000
+CONFIG_ENV_OFFSET=0x3F8000
+CONFIG_ROCKCHIP_RK3399=y
+CONFIG_TARGET_ROC_PC_RK3399=y
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_DEBUG_UART_BASE=0xFF1A0000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_DEBUG_UART=y
+CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-roc-pc-mezzanine.dtb"
+CONFIG_DISPLAY_BOARDINFO_LATE=y
+# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
+CONFIG_SPL_STACK_R=y
+CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN=0x10000
+CONFIG_TPL=y
+CONFIG_TPL_GPIO_SUPPORT=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_DEFAULT_DEVICE_TREE="rk3399-roc-pc-mezzanine"
+CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_ROCKCHIP_GPIO=y
+CONFIG_SYS_I2C_ROCKCHIP=y
+CONFIG_MMC_DW=y
+CONFIG_MMC_DW_ROCKCHIP=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_ROCKCHIP=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_DM_ETH=y
+CONFIG_ETH_DESIGNWARE=y
+CONFIG_GMAC_ROCKCHIP=y
+CONFIG_PMIC_RK8XX=y
+CONFIG_REGULATOR_PWM=y
+CONFIG_REGULATOR_RK8XX=y
+CONFIG_PWM_ROCKCHIP=y
+CONFIG_RAM_RK3399_LPDDR4=y
+CONFIG_BAUDRATE=1500000
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_ROCKCHIP_SPI=y
+CONFIG_SYSRESET=y
+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_HOST_ETHER=y
+CONFIG_USB_ETHER_ASIX=y
+CONFIG_USB_ETHER_ASIX88179=y
+CONFIG_USB_ETHER_MCS7830=y
+CONFIG_USB_ETHER_RTL8152=y
+CONFIG_USB_ETHER_SMSC95XX=y
+CONFIG_USB_KEYBOARD=y
+CONFIG_SPL_TINY_MEMSET=y
+CONFIG_ERRNO_STR=y
+CONFIG_DM_VIDEO=y
+CONFIG_VIDEO_BPP16=y
+CONFIG_VIDEO_BPP32=y
+CONFIG_DISPLAY=y
+CONFIG_VIDEO_ROCKCHIP=y
+CONFIG_DISPLAY_ROCKCHIP_HDMI=y