[PATCH] arm64: dts: VIM3: Set the rates of the clocks for the NPU

Neil Armstrong neil.armstrong at linaro.org
Thu Apr 27 04:38:30 PDT 2023


On 26/04/2023 07:28, Tomeu Vizoso wrote:
> Otherwise they are left at 24MHz and the NPU runs very slowly.
> 
> Signed-off-by: Tomeu Vizoso <tomeu at tomeuvizoso.net>
> Suggested-by: Lucas Stach <l.stach at pengutronix.de>
> ---
>   arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts
> index 4e8266056bca..3a14b21998c4 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts
> @@ -52,6 +52,9 @@ galcore {
>   
>   &npu {
>   	status = "okay";
> +	assigned-clocks = <&clkc CLKID_NNA_CORE_CLK>,
> +			  <&clkc CLKID_NNA_AXI_CLK>;
> +	assigned-clock-rates = <800000000>, <800000000>;
>   };
>   
>   /*

Is this specific to VIM3 ?
I think it should be moved to a dtsi file, perhaps meson-g12b.dtsi for now ?

Neil




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