On 2025/4/8 06:47, Jonas Karlman wrote:
The Radxa E20C is an ultra-compact network computer with a RK3528A SoC that offers a wide range of networking capabilities. Features tested on a Radxa E20C v1.104: - SD-card boot - eMMC boot Signed-off-by: Jonas Karlman <jo...@kwiboo.se>
Reviewed-by: Kever Yang <kever.y...@rock-chips.com> Thanks, - Kever
--- Changes in v2: - Drop sdhci from board u-boot.dtsi - Update sdmmc node to latest mainline Linux patch - Enable options for DT nodes added to dts/upstream DT This also enables options for GMAC, PWM-regulators and USB 2.0. Features that have been tested but are currently missing the necessary DT nodes. --- arch/arm/dts/rk3528-radxa-e20c-u-boot.dtsi | 12 +++++ arch/arm/mach-rockchip/rk3528/MAINTAINERS | 6 +++ configs/radxa-e20c-rk3528_defconfig | 56 ++++++++++++++++++++++ doc/board/rockchip/rockchip.rst | 1 + 4 files changed, 75 insertions(+) create mode 100644 arch/arm/dts/rk3528-radxa-e20c-u-boot.dtsi create mode 100644 configs/radxa-e20c-rk3528_defconfig diff --git a/arch/arm/dts/rk3528-radxa-e20c-u-boot.dtsi b/arch/arm/dts/rk3528-radxa-e20c-u-boot.dtsi new file mode 100644 index 000000000000..9c2f03a786cf --- /dev/null +++ b/arch/arm/dts/rk3528-radxa-e20c-u-boot.dtsi @@ -0,0 +1,12 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +#include "rk3528-u-boot.dtsi" + +&sdmmc { + bus-width = <4>; + cap-mmc-highspeed; + cap-sd-highspeed; + disable-wp; + vmmc-supply = <&vcc_3v3>; + status = "okay"; +}; diff --git a/arch/arm/mach-rockchip/rk3528/MAINTAINERS b/arch/arm/mach-rockchip/rk3528/MAINTAINERS index cfdc92d770c1..f343f71cf7f6 100644 --- a/arch/arm/mach-rockchip/rk3528/MAINTAINERS +++ b/arch/arm/mach-rockchip/rk3528/MAINTAINERS @@ -3,3 +3,9 @@ M: Jonas Karlman <jo...@kwiboo.se> S: Maintained F: arch/arm/dts/rk3528-generic* F: configs/generic-rk3528_defconfig + +RADXA-E20C +M: Jonas Karlman <jo...@kwiboo.se> +S: Maintained +F: arch/arm/dts/rk3528-radxa-e20c* +F: configs/radxa-e20c-rk3528_defconfig diff --git a/configs/radxa-e20c-rk3528_defconfig b/configs/radxa-e20c-rk3528_defconfig new file mode 100644 index 000000000000..08f3a13af3b2 --- /dev/null +++ b/configs/radxa-e20c-rk3528_defconfig @@ -0,0 +1,56 @@ +CONFIG_ARM=y +CONFIG_SKIP_LOWLEVEL_INIT=y +CONFIG_COUNTER_FREQUENCY=24000000 +CONFIG_ARCH_ROCKCHIP=y +CONFIG_DEFAULT_DEVICE_TREE="rockchip/rk3528-radxa-e20c" +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-radxa-e20c.dtb" +# CONFIG_DISPLAY_CPUINFO is not set +CONFIG_SPL_MAX_SIZE=0x40000 +CONFIG_SPL_PAD_TO=0x7f8000 +# 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_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_BUTTON_GPIO=y +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_MOTORCOMM=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_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_EHCI_HCD=y +CONFIG_USB_EHCI_GENERIC=y +CONFIG_ERRNO_STR=y diff --git a/doc/board/rockchip/rockchip.rst b/doc/board/rockchip/rockchip.rst index c636d33b47c1..f7d4f2a66860 100644 --- a/doc/board/rockchip/rockchip.rst +++ b/doc/board/rockchip/rockchip.rst @@ -101,6 +101,7 @@ List of mainline supported Rockchip boards:* rk3528- Generic RK3528 (generic-rk3528) + - Radxa E20C (radxa-e20c-rk3528)* rk3566- Anbernic RGxx3 (anbernic-rgxx3-rk3566)
