[PATCH v4 5/5] board: rockchip: Add Radxa ROCK 4D

[Kever Yang]

On 2025/10/19 23:47, Jonas Karlman wrote:
> The Radxa ROCK 4D is a compact single-board computer (SBC) featuring
> numerous top-tier functions, features, and expansion options.
>
> Equipped with the Rockchip RK3576 or RK3576J SoC, the ROCK 4D boasts an
> octa-core CPU (4x Cortex-A72 + 4x Cortex-A53), Mali-G52 GPU, and a
> powerful 6 TOPS NPU, making it ideal for AI and multimedia tasks.
>
> Features tested on a Radxa ROCK 4D v1.112:
> - SPI Flash boot
> - Ethernet
> - PCIe/NVMe
> - USB host
>
> ROCK 4D boards with SPI Flash is configured to boot from FSPI0->UFS->USB,
> or directly from USB when the MASKROM button is pressed, booting
> directly from SD-card is not possible on these boards.
>
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
> v4: No change
> v3: Drop the reset-gpios prop rename
> v2: Add comment about the reset-gpios prop rename
> ---
>   arch/arm/dts/rk3576-rock-4d-u-boot.dtsi   | 10 ++++
>   arch/arm/mach-rockchip/rk3576/MAINTAINERS |  6 ++
>   configs/rock-4d-rk3576_defconfig          | 68 +++++++++++++++++++++++
>   doc/board/rockchip/rockchip.rst           |  1 +
>   4 files changed, 85 insertions(+)
>   create mode 100644 arch/arm/dts/rk3576-rock-4d-u-boot.dtsi
>   create mode 100644 configs/rock-4d-rk3576_defconfig
>
> diff --git a/arch/arm/dts/rk3576-rock-4d-u-boot.dtsi b/arch/arm/dts/rk3576-rock-4d-u-boot.dtsi
> new file mode 100644
> index 000000000000..db46553b66a4
> --- /dev/null
> +++ b/arch/arm/dts/rk3576-rock-4d-u-boot.dtsi
> @@ -0,0 +1,10 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +
> +#include "rk3576-u-boot.dtsi"
> +
> +&sfc0 {
> +	flash at 0 {
> +		bootph-pre-ram;
> +		bootph-some-ram;
> +	};
> +};
> diff --git a/arch/arm/mach-rockchip/rk3576/MAINTAINERS b/arch/arm/mach-rockchip/rk3576/MAINTAINERS
> index 94ef74d429f9..54c75f451f0f 100644
> --- a/arch/arm/mach-rockchip/rk3576/MAINTAINERS
> +++ b/arch/arm/mach-rockchip/rk3576/MAINTAINERS
> @@ -4,6 +4,12 @@ S:	Maintained
>   F:	arch/arm/dts/rk3576-generic*
>   F:	configs/generic-rk3576_defconfig
>   
> +ROCK-4D-RK3576
> +M:	Jonas Karlman <jonas at kwiboo.se>
> +S:	Maintained
> +F:	arch/arm/dts/rk3576-rock-4d*
> +F:	configs/rock-4d-rk3576_defconfig
> +
>   SIGE5-RK3576
>   M:	Jonas Karlman <jonas at kwiboo.se>
>   S:	Maintained
> diff --git a/configs/rock-4d-rk3576_defconfig b/configs/rock-4d-rk3576_defconfig
> new file mode 100644
> index 000000000000..140a3e0ccd84
> --- /dev/null
> +++ b/configs/rock-4d-rk3576_defconfig
> @@ -0,0 +1,68 @@
> +CONFIG_ARM=y
> +CONFIG_SKIP_LOWLEVEL_INIT=y
> +CONFIG_COUNTER_FREQUENCY=24000000
> +CONFIG_ARCH_ROCKCHIP=y
> +CONFIG_SF_DEFAULT_SPEED=50000000
> +CONFIG_SF_DEFAULT_MODE=0x2000
> +CONFIG_DEFAULT_DEVICE_TREE="rockchip/rk3576-rock-4d"
> +CONFIG_ROCKCHIP_RK3576=y
> +CONFIG_ROCKCHIP_SPI_IMAGE=y
> +CONFIG_SYS_LOAD_ADDR=0x40c00800
> +CONFIG_SF_DEFAULT_BUS=5
> +CONFIG_DEBUG_UART_BASE=0x2AD40000
> +CONFIG_DEBUG_UART_CLOCK=24000000
> +CONFIG_SPL_SPI_FLASH_SUPPORT=y
> +CONFIG_SPL_SPI=y
> +CONFIG_PCI=y
> +CONFIG_DEBUG_UART=y
> +CONFIG_DEFAULT_FDT_FILE="rockchip/rk3576-rock-4d.dtb"
> +# CONFIG_DISPLAY_CPUINFO is not set
> +CONFIG_SPL_MAX_SIZE=0x40000
> +# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
> +CONFIG_SPL_SPI_LOAD=y
> +CONFIG_SYS_SPI_U_BOOT_OFFS=0x60000
> +CONFIG_CMD_MEMINFO=y
> +CONFIG_CMD_MEMINFO_MAP=y
> +CONFIG_CMD_ADC=y
> +CONFIG_CMD_GPIO=y
> +CONFIG_CMD_GPT=y
> +CONFIG_CMD_I2C=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_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_ROCKCHIP_GPIO=y
> +CONFIG_SYS_I2C_ROCKCHIP=y
> +CONFIG_LED=y
> +CONFIG_LED_GPIO=y
> +CONFIG_SUPPORT_EMMC_RPMB=y
> +CONFIG_MMC_DW=y
> +CONFIG_MMC_DW_ROCKCHIP=y
> +CONFIG_SPI_FLASH_SFDP_SUPPORT=y
> +CONFIG_SPI_FLASH_MACRONIX=y
> +CONFIG_PHY_REALTEK=y
> +CONFIG_DWC_ETH_QOS=y
> +CONFIG_DWC_ETH_QOS_ROCKCHIP=y
> +CONFIG_NVME_PCI=y
> +CONFIG_PCIE_DW_ROCKCHIP=y
> +CONFIG_PHY_ROCKCHIP_INNO_USB2=y
> +CONFIG_PHY_ROCKCHIP_NANENG_COMBOPHY=y
> +CONFIG_PHY_ROCKCHIP_USBDP=y
> +CONFIG_DM_PMIC=y
> +CONFIG_PMIC_RK8XX=y
> +CONFIG_REGULATOR_RK8XX=y
> +CONFIG_BAUDRATE=1500000
> +CONFIG_DEBUG_UART_SHIFT=2
> +CONFIG_SYS_NS16550_MEM32=y
> +CONFIG_ROCKCHIP_SFC=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 de3aa79cb5c9..0ec56c8d068a 100644
> --- a/doc/board/rockchip/rockchip.rst
> +++ b/doc/board/rockchip/rockchip.rst
> @@ -137,6 +137,7 @@ List of mainline supported Rockchip boards:
>        - ArmSoM Sige5 (sige5-rk3576)
>        - Firefly ROC-RK3576-PC (roc-pc-rk3576)
>        - Generic RK3576 (generic-rk3576)
> +     - Radxa ROCK 4D (rock-4d-rk3576)
>   
>   * rk3588
>        - ArmSoM Sige7 (sige7-rk3588)

-- 
Thanks & Best regards,
   Kever Yang
**************************************************************************************************
杨凯  市场部             Kever Yang      Marketing Department
瑞芯微电子股份有限公司                Rockchip Electronics Co.，Ltd。
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