[PATCH v3 2/4] crypto: rockchip: Add RK356x/RK3588 cryptographic offloader driver

[Krzysztof Kozlowski]

On Sun, Aug 16, 2026 at 08:39:45PM +0100, Dawid Olesinski wrote:
> Add a driver for the second-generation Rockchip cryptographic hardware
> accelerator found on RK3568 and RK3588 SoCs (compatible strings
> "rockchip,rk3568-crypto" and "rockchip,rk3588-crypto").
> 
> The hardware provides:
>   - AES block cipher engine: ECB, CBC, and XTS modes, 128/192/256-bit
>     keys. XTS hardware is limited to single-SG requests.
>   - Hash engine: SHA-1, SHA-256, SHA-384, SHA-512, MD5, SM3.
>     The hardware padding engine (HW_PAD) requires the total message
>     length upfront and cannot maintain state across LLI descriptor
>     boundaries, so multi-SG and unaligned requests are routed to a
>     software fallback.
>   - DMA engine: linked-list descriptor (LLI) based, with a 20-entry
>     coherent descriptor table.

Hardware encryption drivers are being removed or at least tried to be
removed multipled times, so would be nice to see here WHY this one
should be added.

Best regards,
Krzysztof