[PATCH v3 2/6] arm64: dts: rockchip: Add Radxa ROCK 2A/2F

[Yao Zi]

On Sat, Jul 12, 2025 at 05:37:44PM +0000, Jonas Karlman wrote:
> The ROCK 2A and ROCK 2F is a high-performance single board computer
> developed by Radxa, based on the Rockchip RK3528A SoC.
> 
> Add initial device tree for the Radxa ROCK 2A and ROCK 2F boards.
> 
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>

Tested on my Radxa 2A board, the SD card could be read out at 45MB/s,
the GbE port reaches 942Mbps with iperf, and the EEPROM could be read
out correctly. I also saw the heartbeat LED blinking,

Tested-by: Yao Zi <ziyao at disroot.org>

> ---
> v3: Rename led nodes to led-0/led-1 (Chukun Pan)
> v2: Limit sdmmc max-frequency to 100 MHz (Yao Zi)
> 
> Schematics:
> - https://dl.radxa.com/rock2/2a/v1.2/radxa_rock_2a_v1.2_schematic.pdf
> - https://dl.radxa.com/rock2/2f/radxa_rock2f_v1.01_schematic.pdf
> ---
>  arch/arm64/boot/dts/rockchip/Makefile         |   2 +
>  .../boot/dts/rockchip/rk3528-rock-2.dtsi      | 293 ++++++++++++++++++
>  .../boot/dts/rockchip/rk3528-rock-2a.dts      |  82 +++++
>  .../boot/dts/rockchip/rk3528-rock-2f.dts      |  10 +
>  4 files changed, 387 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/rockchip/rk3528-rock-2.dtsi
>  create mode 100644 arch/arm64/boot/dts/rockchip/rk3528-rock-2a.dts
>  create mode 100644 arch/arm64/boot/dts/rockchip/rk3528-rock-2f.dts