[PATCH v4 3/3] rockchip: rk3588s-rock-5c: Add support for ROCK 5C Lite variant

[Kever Yang]

On 2026/1/8 07:07, Jonas Karlman wrote:
> Add Kconfig option OF_SYSTEM_SETUP=y to support booting ROCK 5C Lite
> boards with a RK3582 SoC. CPU and GPU cores are failed based on ip-state
> and policy.
>
> Tested on a ROCK 5C Lite v1.1:
>
>    cpu-code: 35 82
>    ip-state: 00 80 00 (otp)
>    ip-state: c0 9e 04 (policy)
>    remove cpu-map cluster2
>    fail gpu
>    fail rkvdec1
>    fail rkvenc1
>    fail cpu cpu at 600
>    fail cpu cpu at 700
>
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
> v4: Update commit message to reflect updated policy
> v3: Update commit message to reflect updated policy
> v2: New patch
> ---
>   arch/arm/mach-rockchip/rk3588/Kconfig | 9 +++++----
>   configs/rock-5c-rk3588s_defconfig     | 1 +
>   doc/board/rockchip/rockchip.rst       | 2 +-
>   3 files changed, 7 insertions(+), 5 deletions(-)
>
> diff --git a/arch/arm/mach-rockchip/rk3588/Kconfig b/arch/arm/mach-rockchip/rk3588/Kconfig
> index 60c16d2f32d2..675f13ab66d7 100644
> --- a/arch/arm/mach-rockchip/rk3588/Kconfig
> +++ b/arch/arm/mach-rockchip/rk3588/Kconfig
> @@ -286,14 +286,15 @@ config TARGET_ROCK_5_ITX_RK3588
>   	  Powered by either 12V, ATX power-supply or PoE
>   
>   config TARGET_ROCK_5C_RK3588S
> -	bool "Radxa ROCK 5C RK3588S2 board"
> +	bool "Radxa ROCK 5C/5C Lite"
>   	help
> -	  Radxa ROCK 5C is a Rockchip RK3588S2 based single board computer.
> +	  Radxa ROCK 5C/5C Lite is a Rockchip RK3588S2/RK3582 based SBC (Single
> +	  Board Computer) by Radxa.
>   
>   	  Specification:
>   
> -	  Quad A76 and Quad A55 CPU
> -	  6 TOPS NPU
> +	  Quad/Dual A76 and Quad A55 CPU
> +	  6/5 TOPS NPU
>   	  up to 32GB LPDDR4x RAM
>   	  eMMC / SPI flash connector
>   	  Micro SD Card slot
> diff --git a/configs/rock-5c-rk3588s_defconfig b/configs/rock-5c-rk3588s_defconfig
> index 2748fb488c2d..f83d3f6d6c92 100644
> --- a/configs/rock-5c-rk3588s_defconfig
> +++ b/configs/rock-5c-rk3588s_defconfig
> @@ -18,6 +18,7 @@ CONFIG_FIT_VERBOSE=y
>   CONFIG_SPL_FIT_SIGNATURE=y
>   CONFIG_SPL_LOAD_FIT=y
>   CONFIG_LEGACY_IMAGE_FORMAT=y
> +CONFIG_OF_SYSTEM_SETUP=y
>   CONFIG_DEFAULT_FDT_FILE="rockchip/rk3588s-rock-5c.dtb"
>   # CONFIG_DISPLAY_CPUINFO is not set
>   CONFIG_SPL_MAX_SIZE=0x40000
> diff --git a/doc/board/rockchip/rockchip.rst b/doc/board/rockchip/rockchip.rst
> index 886df1c39cbc..7a8532b49fc5 100644
> --- a/doc/board/rockchip/rockchip.rst
> +++ b/doc/board/rockchip/rockchip.rst
> @@ -163,7 +163,7 @@ List of mainline supported Rockchip boards:
>        - Radxa ROCK 5 ITX (rock-5-itx-rk3588)
>        - Radxa ROCK 5A (rock5a-rk3588s)
>        - Radxa ROCK 5B/5B+/5T (rock5b-rk3588)
> -     - Radxa ROCK 5C (rock-5c-rk3588s)
> +     - Radxa ROCK 5C/5C Lite (rock-5c-rk3588s)
>        - Rockchip Toybrick TB-RK3588X (toybrick-rk3588)
>        - Theobroma Systems RK3588-SBC Jaguar (jaguar-rk3588)
>        - Theobroma Systems SOM-RK3588-Q7 - Tiger (tiger-rk3588)