[PATCH v8 5/5] riscv: Enable PM_GENERIC_DOMAINS for T-Head SoCs

Drew Fustini drew at pdp7.com
Fri Apr 4 11:55:17 PDT 2025


On Tue, Mar 11, 2025 at 06:19:00PM +0100, Michal Wilczynski wrote:
> T-Head SoCs feature separate power domains (power islands) for major
> components like the GPU, Audio, and NPU. To manage the power states of
> these components effectively, the kernel requires generic power domain
> support.
> 
> This commit enables `CONFIG_PM_GENERIC_DOMAINS` for T-Head SoCs,
> allowing the power domain driver for these components to be compiled and
> integrated. This ensures proper power management and energy efficiency
> on T-Head platforms.
> 
> By selecting `PM_GENERIC_DOMAINS`, we provide the necessary framework
> for the power domain drivers to function correctly on RISC-V
> architecture with T-Head SoCs.
> 
> Signed-off-by: Michal Wilczynski <m.wilczynski at samsung.com>
> ---
>  arch/riscv/Kconfig.socs | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
> index 1916cf7ba450..83833ded8908 100644
> --- a/arch/riscv/Kconfig.socs
> +++ b/arch/riscv/Kconfig.socs
> @@ -53,6 +53,7 @@ config ARCH_THEAD
>  	bool "T-HEAD RISC-V SoCs"
>  	depends on MMU && !XIP_KERNEL
>  	select ERRATA_THEAD
> +	select PM_GENERIC_DOMAINS if PM
>  	help
>  	  This enables support for the RISC-V based T-HEAD SoCs.
>  
> -- 
> 2.34.1
> 

Reviewed-by: Drew Fustini <drew at pdp7.com>

Conor - would you be able to take this Kconfig.socs patch?

Thanks,
Drew



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