[PATCH v2 4/4] board: rockchip: Add Radxa ROCK 4D

[Quentin Schulz]

Hi Jonas,

On 8/1/25 11:06 PM, 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
> 
> 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>
> ---
> v2: Add comment about the reset-gpios prop rename
> ---
>   arch/arm/dts/rk3576-rock-4d-u-boot.dtsi   | 19 +++++++
>   arch/arm/mach-rockchip/rk3576/MAINTAINERS |  6 ++
>   configs/rock-4d-rk3576_defconfig          | 68 +++++++++++++++++++++++
>   doc/board/rockchip/rockchip.rst           |  1 +
>   4 files changed, 94 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..2e882c3cf786
> --- /dev/null
> +++ b/arch/arm/dts/rk3576-rock-4d-u-boot.dtsi
> @@ -0,0 +1,19 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +
> +#include "rk3576-u-boot.dtsi"
> +
> +/* U-Boot only look for the reset-gpios prop, rename the prop until the Linux
> + * commit cd803da7c033 ("arm64: dts: rockchip: fix PHY handling for ROCK 4D")
> + * lands in dts/upstream to ensure Ethernet can work in U-Boot.
> + */

This commit landed in v6.17-rc1. I assume it's just a matter of 
hours/days before it reaches devicetree-rebasing git repo so that you 
can simply cherry-pick it into U-Boot with tools/update-subtree.sh :)

Cheers,
Quentin