Hi Quentin, I won't be able to do it right away, but I plan to keep working on it. Please give me a little more time.
Best regards, -- FUKAUMI Naoki Radxa Computer (Shenzhen) Co., Ltd. On Fri, 2026-07-10 at 11:46 +0200, Quentin Schulz wrote: > Hi Naoki, > > Just to let you know that this patch will not be merged as-is due to > review provided by Jonas. Please send a v2 with the feedback taken > into > account (or continue the discussion on this thread if you disagree > with > Jonas on his feedback) if you're still interested in adding support > for > the E52C, thanks! > > On 1/10/26 2:15 AM, FUKAUMI Naoki 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]> > > --- > > 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) >
