Hi Naoki, On Sat, 10 Jan 2026 at 01:15, FUKAUMI Naoki <[email protected]> wrote: > > The Radxa E52C is a compact network computer developed by Radxa, based > on the Rockchip RK3582 SoC. [1] > > Specification: > - Dual Cortex-A76 and Quad Cortex-A55 cores > - 5TOPS NPU > - Up to 8GB LPDDR4x RAM > - Up to 64GB eMMC > - microSD card slot > - USB 3.0 Type-A OTG port > - USB Type-C debug port (USB-UART) > - USB Type-C power port (5V) > - 2x Gigabit Ethernet ports > - Maskrom and User buttons > - Aluminum alloy case > > [1] https://dl.radxa.com/e/e52c/radxa_e52c_product_brief.pdf > > Signed-off-by: FUKAUMI Naoki <[email protected]>
Reviewed-by: Christopher Obbard <[email protected]> > --- > This patch depends on > > https://patchwork.ozlabs.org/project/uboot/patch/[email protected]/ > --- > arch/arm/dts/rk3582-radxa-e52c-u-boot.dtsi | 24 +++++++ > configs/radxa-e52c-rk3582_defconfig | 77 ++++++++++++++++++++++ > doc/board/rockchip/rockchip.rst | 1 + > 3 files changed, 102 insertions(+) > create mode 100644 arch/arm/dts/rk3582-radxa-e52c-u-boot.dtsi > create mode 100644 configs/radxa-e52c-rk3582_defconfig > > diff --git a/arch/arm/dts/rk3582-radxa-e52c-u-boot.dtsi > b/arch/arm/dts/rk3582-radxa-e52c-u-boot.dtsi > new file mode 100644 > index 00000000000..dd65cdd250f > --- /dev/null > +++ b/arch/arm/dts/rk3582-radxa-e52c-u-boot.dtsi > @@ -0,0 +1,24 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (c) 2026 Radxa Computer (Shenzhen) Co., Ltd. > + */ > + > +#include "rk3588s-u-boot.dtsi" > + > +/ { > + leds-0 { > + led-1 { > + default-state = "on"; > + gpios = <&gpio4 RK_PB2 GPIO_ACTIVE_LOW>; > + }; > + > + led-2 { > + default-state = "on"; > + gpios = <&gpio4 RK_PB4 GPIO_ACTIVE_LOW>; > + }; > + }; > +}; > + > +&sdhci { > + mmc-hs200-1_8v; > +}; > diff --git a/configs/radxa-e52c-rk3582_defconfig > b/configs/radxa-e52c-rk3582_defconfig > new file mode 100644 > index 00000000000..5c1056867f2 > --- /dev/null > +++ b/configs/radxa-e52c-rk3582_defconfig > @@ -0,0 +1,77 @@ > +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="rockchip/rk3582-radxa-e52c" > +CONFIG_ROCKCHIP_RK3588=y > +CONFIG_SPL_SERIAL=y > +CONFIG_TARGET_EVB_RK3588=y > +CONFIG_SYS_LOAD_ADDR=0xc00800 > +CONFIG_DEBUG_UART_BASE=0xFEB50000 > +CONFIG_DEBUG_UART_CLOCK=24000000 > +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_OF_SYSTEM_SETUP=y > +CONFIG_DEFAULT_FDT_FILE="rockchip/rk3582-radxa-e52c.dtb" > +# CONFIG_DISPLAY_CPUINFO is not set > +CONFIG_SPL_MAX_SIZE=0x40000 > +# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set > +CONFIG_SPL_ATF=y > +CONFIG_CMD_MEMINFO=y > +CONFIG_CMD_MEMINFO_MAP=y > +CONFIG_CMD_GPIO=y > +CONFIG_CMD_GPT=y > +CONFIG_CMD_MISC=y > +CONFIG_CMD_MMC=y > +CONFIG_CMD_PCI=y > +CONFIG_CMD_USB=y > +# CONFIG_CMD_SETEXPR is not set > +CONFIG_CMD_RNG=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_ENV_RELOC_GD_ENV_ADDR=y > +CONFIG_SPL_DM_SEQ_ALIAS=y > +CONFIG_SPL_REGMAP=y > +CONFIG_SPL_SYSCON=y > +# CONFIG_ADC is not set > +CONFIG_SPL_CLK=y > +CONFIG_ROCKCHIP_GPIO=y > +CONFIG_LED=y > +CONFIG_LED_GPIO=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_PHYLIB=y > +CONFIG_RTL8169=y > +CONFIG_PCIE_DW_ROCKCHIP=y > +CONFIG_PHY_ROCKCHIP_INNO_USB2=y > +CONFIG_PHY_ROCKCHIP_NANENG_COMBOPHY=y > +CONFIG_PHY_ROCKCHIP_USBDP=y > +CONFIG_SPL_PINCTRL=y > +CONFIG_DM_PMIC=y > +CONFIG_PMIC_RK8XX=y > +CONFIG_REGULATOR_RK8XX=y > +CONFIG_SPL_RAM=y > +CONFIG_BAUDRATE=1500000 > +CONFIG_DEBUG_UART_SHIFT=2 > +CONFIG_SYS_NS16550_MEM32=y > +CONFIG_ROCKCHIP_SPI=y > +CONFIG_SYSRESET=y > +CONFIG_SYSRESET_PSCI=y > +CONFIG_USB=y > +CONFIG_USB_XHCI_HCD=y > +CONFIG_USB_DWC3=y > +CONFIG_USB_DWC3_GENERIC=y > +CONFIG_ERRNO_STR=y > diff --git a/doc/board/rockchip/rockchip.rst b/doc/board/rockchip/rockchip.rst > index 7a8532b49fc..2fd7d687d2e 100644 > --- a/doc/board/rockchip/rockchip.rst > +++ b/doc/board/rockchip/rockchip.rst > @@ -160,6 +160,7 @@ List of mainline supported Rockchip boards: > - Khadas Edge2 (khadas-edge2-rk3588s) > - MNT Reform2 (mnt-reform2-rk3588) > - Pine64 QuartzPro64 (quartzpro64-rk3588) > + - Radxa E52C (radxa-e52c-rk3582) > - Radxa ROCK 5 ITX (rock-5-itx-rk3588) > - Radxa ROCK 5A (rock5a-rk3588s) > - Radxa ROCK 5B/5B+/5T (rock5b-rk3588) > -- > 2.43.0 >
